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The Chronicles of Local Space

A fictional exploration of nearby star systems

Xi Boötis

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The Xi Boötis System
Right Ascension 14h 51m
Declination +19° 06'
Distance 22.10 ± 0.11 ly
Star Xi Boötis A Xi Boötis B
Spectral Class G8V K4Ve
Estimated Mass 0.94 × Sol 0.67 × Sol
Luminosity 0.57 × Sol 0.0938 × Sol

Star charts
Xi Boötis
as seen from Sol.		 Sol as seen from
Xi Boötis.
Xi Boötis as seen from Sol Sol as seen from Xi Boötis
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Brightest stars as seen from Xi Boötis
Includes all stars of magnitude 1.00 and brighter
Star Magnitude Distance
Arcturus −1.96 15.2
Canopus −0.52 323.0
Vega −0.36 20.9
Rigel 0.23 880.8
Betelgeuse 0.51 511.7
Alpha Aurigae (Capella) 0.57 53.6
Beta Centauri (Hadar) 0.59 388.8
Achernar 0.71 156.9
Alpha Crucis (Acrux) 0.77 321.6
Spica 0.83 232.5
Eta Boötis (Muphrid) 0.91 16.5

Local Space

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Stargates in this system
Destination Distance
Gliese 569 A 9.5
Wolf 424 A 13.2

Xi Boötis A

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The planets of the Xi Boötis A system
Planet SMA
(AU)		 Orbital
Period		 e Equatorial
Diameter
(km)		 Mass
(Earths)		 Density
(g/cm3)		 Gravity
(Earth g)		 Atmospheric
Pressure
(Earth=1)		 Sidereal
Day		 Mean
Solar
Day		 Axial
Tilt		 Known
Moons
Brigantina 0.2451 45.732 d 0.0474 6313 0.1049 4.76 0.4281 0.00000200 45d 17h 34.4m Synchronous 00° 04.0' 0
Benaca 0.4756 123.61 d 0.0299 17700 2.756 5.67 1.430 62.9 123d 14h 40.3m Synchronous 00° 18.9' 0
Laria 0.7531 246.36 d 0.0199 11910 0.8153 5.55 0.9349 1.53 14h 32.3m 14h 34.4m 41° 47.2' 2
Lemanna 1.563 2.0170 y 0.1662 6529 0.1038 4.27 0.3961 0.0295 1d 03h 32.7m 1d 03h 35.3m 16° 38.9' 1
[ Skip Table ]
Natural satellites of the Xi Boötis A system
Name Diameter
(km)		 Period
(days)		 Semimajor
Axis (km)		 Ecc Inc
Natural Satellites of Laria
Milana 390 3.108 84040 0.0012 1.64
Novara 35 19.01 281100 0.3163 4.45
Natural Satellites of Lemanna
Lausonium 953 1.584 26980 0.0212 0.24

Brigantina

Brigantina is a heavily-cratered world roughly the size of Mars. It has a relatively high density for its size, which is most likely due to the presence of a large iron-nickel core.

Benaca

Benaca is a Venuslike planet with a hot, toxic atmosphere.

Laria

Lemanna

Xi Boötis B

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The planets of the Xi Boötis B system
Planet SMA
(AU)		 Orbital
Period		 e Equatorial
Diameter
(km)		 Mass
(Earths)		 Density
(g/cm3)		 Gravity
(Earth g)		 Atmospheric
Pressure
(Earth=1)		 Sidereal
Day		 Mean
Solar
Day		 Axial
Tilt		 Known
Moons
Aetna 0.03314 2.6926 d 0.0015 4907 0.05844 5.64 0.3946 0.0 2d 16h 37.4m Synchronous 00° 01.8' 0
Melita 0.3360 86.907 d 0.0140 6334 0.1199 5.39 0.4862 0.00221 86d 21h 45.5m Synchronous 00° 18.8' 0
Corcyra 0.5504 182.19 d 0.0144 7499 0.1886 5.10 0.5454 0.0396 4d 18h 47.2m 4d 21h 52.9m 05° 01.7' 0
Baliaris 0.8761 1.0018 y 0.0064 8695 0.2514 4.40 0.5406 0.395 15h 40.9m 15h 42.6m 20° 47.9' 1
Sicilia 1.657 2.6066 y 0.0885 8148 0.1531 3.29 0.3750 0.490 11h 51.6m 11h 52.0m 13° 37.1' 2
[ Skip Table ]
Natural satellites of the Xi Boötis B system
Name Diameter
(km)		 Period
(days)		 Semimajor
Axis (km)		 Ecc Inc
Natural Satellites of Baliaris
Palma 419 0.5586 18080 0.0007 0.10
Natural Satellites of Sicilia
Sicilia I 95 1.140 24660 0.0095 0.32
Sicilia II 53 2.963 46620 0.0136 0.99

Aetna

Melita

Corcyra

Baliaris

Sicilia

Xi Boötis AB

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The planets of the Xi Boötis AB system
Planet SMA
(AU)		 Orbital
Period		 e Equatorial
Diameter
(km)		 Mass
(Earths)		 Density
(g/cm3)		 Gravity
(Earth g)		 Atmospheric
Pressure
(Earth=1)		 Sidereal
Day		 Mean
Solar
Day		 Axial
Tilt		 Known
Moons
Alexis 169.5 1739.2 y 0.1147 65930 36.94 1.50 1.382 &mdash 18h 39.9m 18h 39.9m 21° 24.7' 15
[ Skip Table ]
Natural satellites of the Xi Boötis AB system
Name Diameter
(km)		 Period
(days)		 Semimajor
Axis (km)		 Ecc Inc
Natural Satellites of Alexis
Alexis VIII 43 0.6728 108000 0.0021 0.99
Alexis IX 107 0.7127 112300 0.0014 0.33
Alexis X 29 0.7814 119400 0.0014 0.27
Alexis XI 79 0.8187 123100 0.0023 1.29
Alexis VI 211 1.010 141600 0.0024 0.35
Alexis I 1937 1.515 185500 0.0030 0.94
Alexis II 2912 3.029 294500 0.0022 1.11
Alexis III 2588 6.058 467600 0.0023 1.67
Alexis IV 1646 12.12 742200 0.0015 2.35
Alexis V 632 28.69 1319000 0.0080 0.70
Alexis VII 267 40.81 1668000 0.0136 3.41
Alexis XII 89 63.36 2236000 0.0193 1.98
Alexis XIII 59 66.59 2311000 0.1252 6.64
Alexis XIV 106 155.6 4070000 0.2181 24.77
Alexis XV 249 683.6 10920000 0.3662 163.36

Alexis

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