🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.56 AU - 0.66 AU

Year: 303 Days

Day: 26.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 169 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 11.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 498 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,625,721 km

• M1: 147,055 km (0.115 R)
• M2: 604,675 km (0.101 R)
• M3: 1,132,605 km (0.078 R)
• M4: 1,618,350 km (0.101 R)
• M5: 2,028,996 km (0.112 R)
• M6: 2,431,115 km (0.108 R)
• M7: 2,942,141 km (0.102 R)
• M8: 3,436,562 km (0.118 R)
• M9: 4,181,859 km (0.104 R)
• M10: 4,903,818 km (0.112 R)
• M11: 5,584,788 km (0.103 R)
• M12: 6,196,493 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 12.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.08 AU - 1.64 AU

Year: 1008 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,625,721 km

• M1: 160,369 km (0.069 R)
• M2: 593,156 km (0.045 R)
• M3: 1,393,205 km (0.111 R)
• M4: 2,368,882 km (0.082 R)
• M5: 3,676,517 km (0.087 R)
• M6: 5,039,503 km (0.073 R)
• M7: 6,413,111 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.1

Radius: 11.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.58 AU - 1.82 AU

Year: 1409 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,625,721 km

• M1: 143,016 km (0.038 R)
• M2: 555,008 km (0.052 R)
• M3: 958,324 km (0.111 R)
• M4: 1,529,040 km (0.115 R)
• M5: 2,079,261 km (0.066 R)
• M6: 2,512,945 km (0.103 R)
• M7: 2,880,956 km (0.088 R)
• M8: 3,501,488 km (0.079 R)
• M9: 4,373,045 km (0.115 R)
• M10: 4,970,090 km (0.063 R)
• M11: 5,533,775 km (0.032 R)
• M12: 6,001,268 km (0.118 R)
• M13: 6,471,005 km (0.045 R)
• M14: 6,914,563 km (0.106 R)
• M15: 9,383,526 km (0.082 R)
• M16: 10,246,257 km (0.11 R)
• M17: 12,019,441 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.2

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.49 AU - 1.97 AU

Year: 1447 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,625,721 km

• M1: 102,026 km (0.087 R)
• M2: 498,311 km (0.083 R)
• M3: 782,696 km (0.098 R)
• M4: 1,524,103 km (0.065 R)
• M5: 1,967,960 km (0.116 R)
• M6: 2,459,239 km (0.041 R)
• M7: 2,799,724 km (0.108 R)
• M8: 3,185,986 km (0.051 R)
• M9: 3,544,871 km (0.087 R)
• M10: 3,914,079 km (0.066 R)
• M11: 4,452,182 km (0.115 R)
• M12: 4,843,979 km (0.091 R)
• M13: 5,137,789 km (0.1 R)
• M14: 5,569,230 km (0.057 R)
• M15: 5,958,034 km (0.118 R)
• M16: 6,434,504 km (0.104 R)
• M17: 6,960,639 km (0.079 R)
• M18: 7,437,857 km (0.061 R)
• M19: 8,071,553 km (0.071 R)
• M20: 8,373,741 km (0.107 R)
• M21: 8,769,427 km (0.115 R)
• M22: 9,326,230 km (0.035 R)
• M23: 10,157,845 km (0.118 R)
• M24: 11,071,439 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 13.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.8 AU - 2.6 AU

Year: 2075 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,625,721 km

• M1: 172,935 km (0.1 R)
• M2: 619,485 km (0.044 R)
• M3: 1,097,749 km (0.084 R)
• M4: 1,675,347 km (0.045 R)
• M5: 2,633,521 km (0.111 R)
• M6: 3,912,284 km (0.098 R)
• M7: 4,420,617 km (0.095 R)
• M8: 4,885,268 km (0.037 R)
• M9: 5,382,531 km (0.073 R)
• M10: 7,053,240 km (0.093 R)
• M11: 8,493,270 km (0.106 R)
• M12: 9,907,269 km (0.052 R)
• M13: 10,745,316 km (0.117 R)
• M14: 11,472,960 km (0.102 R)
• M15: 12,646,555 km (0.116 R)
• M16: 13,589,171 km (0.103 R)
• M17: 16,101,668 km (0.059 R)
• M18: 17,260,602 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 11.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.97 AU - 2.93 AU

Year: 2438 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,625,721 km

• M1: 148,102 km (0.099 R)
• M2: 852,558 km (0.095 R)
• M3: 1,278,314 km (0.05 R)
• M4: 1,894,059 km (0.103 R)
• M5: 3,175,215 km (0.09 R)
• M6: 4,355,991 km (0.098 R)
• M7: 8,613,097 km (0.097 R)
• M8: 9,901,883 km (0.067 R)
• M9: 12,642,067 km (0.066 R)
• M10: 13,209,941 km (0.106 R)
• M11: 15,161,595 km (0.108 R)
• M12: 16,720,404 km (0.078 R)
• M13: 17,351,707 km (0.118 R)
• M14: 17,998,868 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 10

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.91 AU - 4.63 AU

Year: 5610 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,625,721 km

• M1: 124,316 km (0.073 R)
• M2: 749,485 km (0.11 R)
• M3: 2,861,658 km (0.059 R)
• M4: 4,703,656 km (0.082 R)
• M5: 5,958,334 km (0.09 R)
• M6: 7,824,567 km (0.064 R)
• M7: 10,501,471 km (0.096 R)
• M8: 11,007,561 km (0.101 R)
• M9: 11,887,196 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.4

Radius: 7.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.25 AU - 10.21 AU

Year: 16400 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,625,721 km

• M1: 101,128 km (0.065 R)
• M2: 378,183 km (0.102 R)
• M3: 1,344,735 km (0.097 R)
• M4: 1,933,552 km (0.087 R)
• M5: 2,332,680 km (0.068 R)
• M6: 4,134,137 km (0.114 R)
• M7: 4,618,086 km (0.084 R)
• M8: 6,297,921 km (0.092 R)
• M9: 6,631,823 km (0.112 R)
• M10: 7,416,314 km (0.078 R)
• M11: 9,168,255 km (0.109 R)
• M12: 10,040,261 km (0.105 R)
• M13: 11,287,159 km (0.109 R)
• M14: 15,778,536 km (0.048 R)
• M15: 16,395,179 km (0.036 R)
• M16: 16,885,710 km (0.051 R)
• M17: 19,176,652 km (0.041 R)
• M18: 19,957,852 km (0.112 R)
• M19: 20,276,196 km (0.113 R)
• M20: 20,841,377 km (0.115 R)
• M21: 25,003,788 km (0.094 R)
• M22: 26,410,307 km (0.059 R)
• M23: 27,181,634 km (0.114 R)
• M24: 33,228,679 km (0.083 R)
• M25: 33,901,121 km (0.039 R)
• M26: 34,127,313 km (0.051 R)
• M27: 41,261,636 km (0.115 R)
• M28: 42,693,288 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,975 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit