The Heart of Neolithic Orkney ©2012 James Q. Jacobs. v2024. Cite with access date as: The Heart of Neolithic Orkney jqjacobs.net/kml/orkney.kml
Websites

This folder includes some of the major sites on Orkney. To display all the site placemarks download the complete Ancient Monument Placemarks Google Earth KML file. I recommend using the free, standalone Google Earth Pro app. Web Archive 
Ring of Brodgar 59.001476 3.229740 10
Web Archive Web Archive 
Stones of Stennes 58.994055 3.208063 2
Web Archive Web Archive 
Maes Howe 58.996641 3.188253 12
Web Archive 
Orkney X Hearth 58.996989 3.214654 3 Location of hearth determined with an archaeological excavation map overlay. Web Archive Web Archive 
Orkney Watch Stone 58.995213 3.210367 0 Web Archive 
Barnhouse Stone 58.991126 3.197538 8 Stones of Stennes: Web Archive 
Barnhouse Circle 58.995771 3.206719 2 Web Archive Web Archive 
Unstan Cairn 58.986600 3.249423 1 Web Archive Web Archive 
Ring of Bookan 59.011539 3.249427 27 Stones of Stennes: Web Archive Web Archive 
Skara Brae Houses 59.048734 3.341719 6 Web Archive Web Archive Web Archive 
Archaeogeodesy Study Results

Avebury Circle  Callanish I  Stones of Stennes arcs ratio @ call1 = 1.0 : 0.273965 (+0.2m) arcs ratio @ call1 = 1.0 : 3.650102 (+0.2m) epoch neolithic rl = 27.3964762 rotations per lunar orbit

Avebury Circles  Silbury Hill  Ring of Brodgar arcs ratio @ silhi = 1.0 : 583.934 (0.03m) venus synodic period = 583.92166 days  
Avebury Circle  Silbury Hill avocmsilhi arc 0.01314° = 0.00003650 circumference (0.2m) epoch neolithic lr = 0.0365010 lunar orbits per rotation
Web Archive 
Silbury Hill  Thornborough South  Ring of Brodgar arcs ratio @ silhi = 1.0 : 0.366494 (+13m) epoch neolithic nr = 0.03664785 lunar nodal periods per rotation
Web Archive Wikimedia Commons 
Silbury Hill  Godeny Tumulus  Maes Howe arcs ratio @ silhi = 1.0 : 0.500003 (+4m) Silbury Hill is the largest prehistoric mound in Europe. Godeny Tumulus is the highest prehistoric mound in Hungary. Web Archive Web Archive 
Avebury Circles  Stonehenge  Ring of Brodgar arcs ratio @ stonc = 1.0 : 0.031830 (1m) arcs ratio @ stonc = 1.0 : 31.41684 (1m) pi 3.14159265… : 1.0 : 0.3183099…

Knowlton Central Circle  Rollright Circle  Ring of Brodgar ew ratio @ knoce = 1.0 : 0.314171 (+2m) pi 3.14159265… : 1.0 : 0.3183099… Web Archive 
Stonehenge  Ring of Brodgar arc 7.8633° = 7.99994 si (6m) epoch neolithic si = 0.9829172° orbit per rotation Web Archive 
Callanish I  Ring of Brodgar arc 1.999940° = circumference / 180.005 (6m) Web Archive Web Archive 
Khufu Pyramid  Callanish I  Ring of Brodgar arcs ratio @ rbrod = 1.0 : 18.598619 (10m) epoch neolithic ot = 18.5977709 orbits per lunar orbit turn Web Archive 
Carrowkeel K  Menhir de Kerloas  Ring of Brodgar arcs ratio @ rbrod= 1.0 : 1.861159 (+2m) epoch neolithic ys = 18.6116563 years per lunar standstill period
Web Archive 
Menhir de Kerloas  Champ Dolent Menhir  Stones of Stennes arcs ratio @ cdolm = 1.0 : 0.185986 (+1m) epoch neolithic yt = 18.5984789 years per lunar orbit turn
Web Archive Web Archive 
Menhir de Kerloas  Rudston Monolith  Stones of Stennes ew ratio @ ssten = 1.0 : 1.961212 (4m) epoch neolithic es = 19.6116563 eclipse nodal intervals per standstill period
Web Archive 
Llactapata II  Callanish I  Stones of Stennes ew ratio @ ssten = 1.0 : 19.613178 (1m) ew ratio @ call1 = 1.0 : 18.613178 (1m) epoch inca es = 19.613117 eclipse nodal intervals per standstill period epoch inca ys = 18.613117 years per lunar standstill period 
Intipunku UTM  Callanish I  Stones of Stennes intiucall1ssten ew ratio @ call1 = 1.0 : 18.599643 (+2m) epoch inca yt = 18.5997194 years per lunar orbit turn Web Archive 
Newark Octagon  Orkney X Hearth  Aconcagua GPS ew ratio @ orkxh = 1.0 : 0.186119 (4m) epoch hopewell os = 18.6119915 orbits per lunar standstill period  
Octagon Gateway  Castillo  Montaña Machupicchu nocgacastimmapi arcs ratio @ casti = 1.0 : 1.861208 (11m) epoch hopewell os = 18.6119915 orbits per lunar standstill period

Observatory Circle  Saqqara Pyramid  Ring of Brodgar ns ratio @ nocc = 1.0 : 1.861270 (+1m) epoch hopewell ys = 18.6127085 years per lunar standstill period  
Waynapicchu  Observatory Circle mwaynnocc ns : ew° = 1.0 : 0.186111 (+9m) epoch neolithic os = 18.610948 orbits per lunar standstill period  
Waynapicchu  Observatory Circle  Ring of Brodgar mwaynnoccrbrod ew @ nocc = 1.0 : 0.125005 (+43m)

Montaña Machupicchu  Ring of Brodgar  Aconcagua GPS ew ratio @ mmapi = 1.0 : 0.0365004 (5m) epoch neolithic lr = 0.0365010 lunar orbits per rotation  
Observatory Circle  Dzibilchaltun  Aconcagua GPS noccdziblacong ew ratio @ dzibl = 1.0 : 0.365006 (10m)  
Caracol  Llactapata Sector II  Aconcagua GPS caraclla02acong ns ratio @ acong = 1.0 : 0.365010 (7m)  
Observatory Circle  Llactapata Group B  Aconcagua GPS noccllacbacong ns ratio @ llacb = 1.0 : 0.366008 (8m) epoch hopewell ld = 0.036600990 lunar orbits per day
1818 × 1272 pixels 
Huascarán GPS  Ring of Brodgar  Aconcagua GPS arcs ratio @ huasc = 1.0 : 0.273042 (14m @ huasc, +53m @ rbrod) arcs ratio @ huasc = 1.0 : 3.662447 (14m @ huasc, +53m @ rbrod) epoch neolithic yr = 0.0027304295 years per rotation epoch neolithic ry = 366.2427422 rotations per year  
Ring of Brodgar  Cima Citlatepetl GPS  Denali GPS rbrodccitldenal ew ratios @ ccitl = 1.0 : 0.571425 (42m) rbrodccitldenal ew ratios @ ccitl = 7.000049 : 4.0 (42m) rbrodccitldenal ew ratios @ denal = 2.750012 : 1.0 (+74m @ rbrod)
Wikimedia Commons 
Newark Octagon Mean  Intimachay  Ring of Brodgar ew ratio @ noctm = 1.0 : 0.125000 (+0.3m)  
Observatory Mound  Intiwatana UTM  Orkney X Hearth noomintihorkxh ew ratio @ noom = 1.0 : 0.125000 (+4m)
Web Archive 
Octagon Gateway  Machupicchu Mortars  Ring of Brodgar ew ratio @ nocga = 1.0 : 0.125001 (+7m) ew ratio @ nocga = 8.0 : 1.000007 (+7m) 
Octagon Gateway  Ceremonial Rock  Ring of Brodgar nocgaceremrbrod ew ratio @ nocga = 1.0 : 0.125000 (+4m) nocgaceremrbrod ew ratio @ nocga = 8.0 : 1.000004 (+4m) 
Observatory Mound  Intiwatana UTM  Orkney X Hearth noomintihorkxh ew ratio @ noom = 1.0 : 0.125000 (+4m) noomintihorkxh ew ratio @ noom = 8.0 : 1.000004 (+4m) Web Archive 
Machupicchu Windows  High Bank Octagon  Ring of Brodgar ns ratio @ rbrod = 1.0 : 0.273043 (+1m) epoch inca yr = 0.00273043 years per rotation 
Sacred Rock  High Bank Works  Ring of Brodgar mpsarhibawrbrod ns ratio @ rbrod = 1.0 : 0.273033 (1m) 
Waynapicchu  High Bank Circle  Ring of Brodgar mwaynhbwcirbrod ns @ rbrod = 1.0 : 0.273035 (+22m) epoch inca or = 0.00273033 orbits per rotation High Bank Octagon and Circle 
Machupicchu Torreon  Seip Circle  Stones of Stennes ns ratio @ ssten = 1.0 : 0.273781 (+5m) epoch inca od = 0.002737803 orbits per day 
Machupicchu Torreon  Seip Mound  Stones of Stennes machtseipmssten ns ratio @ ssten = 1.0 : 0.273790 (7m) epoch inca yd = 0.002737909 years per day 
Sacred Rock  Seip Circle  Stones of Stennes mpsarseipcssten ns ratio @ ssten = 1.0 : 0.273970 (6m) 
Intipata Ruins  Seip Mound GPS  Ring of Brodgar ns ratio @ rbrod = 1.0 : 0.273781 (+7m) epoch inca od= 0.0027378 orbits per day 
Llactapata Sector II  Seip Mound GPS  Ring of Brodgar lla02seipmrbrod ns ratio @ rbrod = 1.0 : 0.273780 (1m) 
Llactapata Sun Temple  Seip Mound GPS  Ring of Brodgar llactseipmrbrod ns ratio @ rbrod = 1.0 : 0.273782 (+10m) 
Salkantay GPS  Seip Circle  Ring of Brodgar salkaseipcrbrod ns ratio @ rbrod = 1.0 : 0.273213 (29m) epoch hopewell dl = 27.3216658 days per lunar orbit Seip and Baum Earthworks, Paint Creek Valley, Ohio 
High Bank Circle  Seip Mound GPS  Ring of Brodgar ns ratio @ hbwci = 1.0 : 0.003141 (2m) pi 3.14159265… : 1.0 : 0.3183099… 
Seip Small Circle  Ring of Brodgar seiscrbrod ns 19.764503° = 1.499997 c27 (4m) 
Great Circle  Aguada Fenix Mound  Stones of Stennes arcs ratio @ fenim = 1.0 : 0.318312 (+18m) arcs ratio @ fenim = 1.0 : 3.141571 (+18m) pi 3.14159265… : 1.0 : 0.3183099…  
Aguada Fenix Piramide West  Waynapicchu fenpwmwayn arc 36.000041° = 0.1000041 cir (+5m)  
Newark Octagon Mean  Waynapicchu noctmmwayn arc 54.000088° = 0.1500002 cir (+10m)  
Newark Octagon Mean  Aguada Fenix Piramide West  Waynapicchu noctmfenpwmwayn arcs ratio @ mwayn = 1.0 : 0.666666 (2m)
1589 × 1357 pixels 
Sechin Alto Cuarto  Khafre Pyramid  Ring of Brodgar ew ratio @ khafr = 1.0 : 0.314159 (3m) pi 3.14159265… : 1.0 : 0.3183099…  
Taukachi Circular Plaza  Khufu Pyramid  Ring of Brodgar takcpkhugprbrod ew ratio @ khugp = 1.0: 0.314158 (14m)  
Sechin Bajo  Sphinx secbasphip arc 111.469762° cosine = 0.366010 (+2m) ld = 0.036601 lunar orbits per day  
Chankillo A  Khufu Pyramid chanakhugp arc 111.485331° cosine = 0.366263 (+44m) ro = 366.2566 rotations per orbit
Web Archive 
Urubamba Intihuatana GPS  Poverty Point A  Maes Howe ns ratio @ maeho = 1.0 : 0.365256 (3m) epoch inca do 365.25639245 days per orbit 
Veronica Summit  Poverty Point A  Stones of Stennes verospovpassten ns ratio @ ssten = 1.0 : 0.365245 (+22m) epoch chavin dy = 365.2425941 days per year 
Intiwatana UTM  Observatory Mound  Aconcagua GPS intihnoomacong ns ratio @ intih = 1.0 : 0.366256 (4m) epoch inca ro = 366.256392 rotations per orbit 
Machupicchu Windows  Maes Howe  Aconcagua GPS machwmaehoacong ew ratio @ machw = 1.0 : 0.036526 (+2m) epoch inca do 365.25639245 days per orbit 
Montaña Machupicchu  Ring of Brodgar  Aconcagua GPS mmapirbrodacong ew ratio @ mmapi = 1.0 : 0.0365004 (5m) epoch neolithic lr = 0.0365010 lunar orbits per rotation 
Montaña Machupicchu  Poverty Point Earthworks  Ring of Brodgar ew @ mmapi = 1.0 : 0.272122 (1m) epoch inca dn = 27.212220 days per lunar nodal period 
Salkantay GPS  Poverty Point A  Stones of Stennes povpasalkassten ew ratio @ salka = 1.0 : 0.272126 (+31m) epoch chavin dn = 27.2122238 days per lunar nodal period 
Salkantay GPS  Observatory Circle  Stones of Stennes salkanoccssten ew ratio @ nocc = 1.0 : 0.125003 (+31m) Web Archive 
Great Circle  Ring of Brodgar  Stones of Stennes ew ratio @ rbrod = 1.0 : 0.00027369 (1m) epoch hopewell od = 0.0027378 orbits per day ew ratio @ rbrod = 1.0 : 3,653.70342 (1m) epoch hopewell do = 365.2564674 days per orbit 
Liberty Circle  Ring of Brodgar  Stones of Stennes libcirbrodssten ew ratio @ rbrod = 1.0 : 0.00027216 (+0.4m) epoch hopewell dn = 27.2122219 days per lunar nodal period 
Ring of Brodgar  Stones of Stennes rbrodssten arc 0.0134° = 0.000500 s22 (0.4m) epoch neolithic s22 = 26.8205940° solar orbits per lunar nodal period Liberty Township Earthwork and High Bank Octagon Earthwork 
Mut Axis  Tenoumer Crater  Ring of Brodgar ew ratio @ rbrod = 1.0 : 0.199998 (6m)  
Karnak Great Court  Tenoumer Crater  Ring of Brodgar kargctencrrbrod arcs ratio @ rbrod = 1.0 : 0.876220 (+14m) moon apogee : perigee = 1.0 : 0.876217  
Ceremonial Rock  Tenoumer Crater  Ring of Brodgar ceremtencrrbrod ns ratio @ cerem = 1.0 : 0.500002 (+15m)  
Waynawillca  Tenoumer Crater  Ring of Brodgar waynatencrrbrod ns ratio @ wayna = 1.0 : 0.499999 (11m)
NASA image created by Jesse Allen 
Ziggurat at Ur  Luxor Pylon  Stones of Stennes ew ratio @ zigur = 1.0 : 0.273030 (14m) epoch neolithic or = 0.0027303 orbits per rotation

The intrasite study results are tentative due to coordinate margins of error and the resultant low level of confidence in relationships expressed by such proximate locations. Context is all important in archaeology and the larger global and regional results provide some context for consideration of intrasite results. A factor influencing my reporting of these intrasite relationships is the larger context of intersite results expressing the same ratios. Intentionality of intrasite geometry is uncertain. Not only does an assumption of intentional spacing not follow just because a relationship is noticed, but with short distances margin of error is a significant proportion of any line or angle. Also, with these proximate monuments for example, the difference between expressing phi (1.0 : 0.618034...), eightthirteenths (0.6153846...), or the ratio of Earth and Venus orbits (1.0 : 0.615187), is less than the coordinates' assumed margins of error. Web Archive 
Ring of Brodgar  Stones of Stennes arc 0.013406° = 0.000500 s22 (0.4m) epoch neolithic s22 = 26.8205940° solar orbits per lunar nodal period arc : ew° ratio = 1.0 : 0.61846 (+1m) phi ratio 1.0 : 0.618034... = 1.618034... : 1.0 Web Archive Web Archive 
Maes Howe  Orkney Watch Stone arc 0.011480° = 0.0001002 d (+2m) Web Archive 
Maes Howe  Stones of Stennes  Unstan Cairn arcs ratio @ maeho = 1.0 : 3.14183 maehounstc ns : ew ratio @ maeho = 1.0 : 3.14354 pi 3.14159265… : 1.0 : 0.3183099… Web Archive 
Ring of Brodgar  Orkney X Hearth arc 0.008973° = 0.000333 s27 (0.4m) epoch neolithic s27 = 26.9284680° solar orbits per lunar orbit rbrodorkxh bearing = 119.99888° Web Archive 
Ring of Brodgar  Maes Howe arc 0.0219° = 0.001667 r27 (+1m) epoch neolithic r27 = 13.1403761° lunar orbit per rotation Web Archive 
Ring of Bookan  Unstan Cairn ew = 0.000007° = 0.5 meters Ring of Brodgar Web Archive 
Ring of Brodgar  Orkney X Hearth  Stones of Stennes arcs ratio @ orkxh = 1.0 : 0.500101 (0.1m) Web Archive 
Ring of Brodgar  Orkney X  Maes Howe ew ratio @ orkxh = 1.0 : 0.571418 (0.03m) ew ratio @ orkxh = 7.000133 : 4.0 (0.03m) Web Archive 
Ring of Brodgar  Stones of Stennes  Maes Howe arcs ratio @ ssten = 1.0 : 1.273547 (0.3m) pi : 4.0 = 1.0 : 1.273240 Web Archive 
Ring of Brodgar  Unstan Cairn arc 0.018003° = 0.0003142 radians (+0.3m) arc 0.018003° = 0.000500 cir arc 0.018003° = cir / 19,996.92 Web Archive 
Ring of Brodgar  Barnhouse Circle arc 0.013158° = 0.000999 c27 (2m) arc 0.013158° = 0.001001 r27 (+2m) epoch neolithic c27 = 13.1763518° mean lunar orbit per day epoch neolithic r27 = 13.1403761° lunar orbit per rotation Web Archive 
Ring of Brodgar  Barnhouse Circle  Maes Howe arcs ratio @ rbrod = 1.0 : 0.600609 (+1.5m) arcs ratio @ rbrod = 5.0 : 3.003047 (+1.5m) Web Archive 