🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 15

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.05 AU - 1.45 AU

Year: 917 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,898,501 km

• M1: 186,549 km (0.117 R)
• M2: 711,936 km (0.102 R)
• M3: 1,378,694 km (0.099 R)
• M4: 1,904,381 km (0.12 R)
• M5: 2,389,377 km (0.049 R)
• M6: 3,071,992 km (0.109 R)
• M7: 3,588,105 km (0.111 R)
• M8: 4,975,625 km (0.084 R)
• M9: 5,478,274 km (0.078 R)
• M10: 6,243,766 km (0.09 R)
• M11: 7,079,570 km (0.116 R)
• M12: 8,014,108 km (0.087 R)
• M13: 9,414,194 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 11

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.35 AU - 3.83 AU

Year: 3563 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,898,501 km

• M1: 136,882 km (0.088 R)
• M2: 490,980 km (0.086 R)
• M3: 1,026,241 km (0.085 R)
• M4: 1,522,009 km (0.115 R)
• M5: 3,484,434 km (0.042 R)
• M6: 4,298,994 km (0.101 R)
• M7: 4,763,645 km (0.067 R)
• M8: 5,932,752 km (0.106 R)
• M9: 7,577,132 km (0.1 R)
• M10: 10,877,560 km (0.112 R)
• M11: 12,011,811 km (0.076 R)
• M12: 12,514,759 km (0.078 R)
• M13: 13,031,770 km (0.067 R)
• M14: 13,611,910 km (0.104 R)
• M15: 15,617,270 km (0.116 R)
• M16: 17,461,961 km (0.093 R)
• M17: 21,246,787 km (0.087 R)
• M18: 22,118,793 km (0.08 R)
• M19: 23,365,392 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 10

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.54 AU - 4.04 AU

Year: 3915 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,898,501 km

• M1: 124,765 km (0.117 R)
• M2: 468,840 km (0.043 R)
• M3: 993,031 km (0.11 R)
• M4: 1,441,076 km (0.12 R)
• M5: 1,788,592 km (0.089 R)
• M6: 2,475,546 km (0.094 R)
• M7: 3,686,540 km (0.105 R)
• M8: 4,681,965 km (0.09 R)
• M9: 5,010,781 km (0.08 R)
• M10: 7,135,220 km (0.075 R)
• M11: 7,894,728 km (0.072 R)
• M12: 8,260,495 km (0.06 R)
• M13: 9,206,403 km (0.106 R)
• M14: 9,990,894 km (0.052 R)
• M15: 11,778,439 km (0.052 R)
• M16: 12,612,596 km (0.066 R)
• M17: 14,546,448 km (0.106 R)
• M18: 20,886,556 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.1

Radius: 7.9

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.95 AU - 10.59 AU

Year: 18515 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,898,501 km

• M1: 106,065 km (0.077 R)
• M2: 509,979 km (0.071 R)
• M3: 3,066,756 km (0.094 R)
• M4: 3,314,790 km (0.091 R)
• M5: 4,023,136 km (0.072 R)
• M6: 5,700,576 km (0.053 R)
• M7: 6,838,717 km (0.087 R)
• M8: 8,121,668 km (0.111 R)
• M9: 9,557,808 km (0.044 R)
• M10: 13,052,713 km (0.102 R)
• M11: 13,641,531 km (0.11 R)
• M12: 14,179,634 km (0.063 R)
• M13: 14,453,847 km (0.099 R)
• M14: 21,066,821 km (0.07 R)
• M15: 22,151,106 km (0.085 R)
• M16: 28,898,269 km (0.11 R)
• M17: 29,339,583 km (0.111 R)
• M18: 32,794,546 km (0.118 R)
• M19: 37,156,970 km (0.091 R)
• M20: 45,211,768 km (0.094 R)
• M21: 51,559,355 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 4.7

Gravity: 41 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.46 AU - 11.08 AU

Year: 21591 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,898,501 km

• M1: 74,649 km (0.084 R)
• M2: 260,450 km (0.108 R)
• M3: 826,229 km (0.027 R)
• M4: 1,514,828 km (0.083 R)
• M5: 1,825,842 km (0.11 R)
• M6: 9,003,548 km (0.093 R)
• M7: 9,832,470 km (0.045 R)
• M8: 12,055,045 km (0.071 R)
• M9: 19,701,142 km (0.056 R)
• M10: 22,124,478 km (0.1 R)
• M11: 23,845,901 km (0.107 R)
• M12: 25,079,933 km (0.074 R)
• M13: 26,711,298 km (0.117 R)
• M14: 29,415,579 km (0.09 R)
• M15: 33,666,702 km (0.093 R)
• M16: 33,945,103 km (0.039 R)
• M17: 48,839,366 km (0.078 R)
• M18: 51,929,011 km (0.105 R)
• M19: 60,115,306 km (0.112 R)
• M20: 77,520,869 km (0.111 R)
• M21: 82,721,938 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.4

Radius: 6.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.85 AU - 13.01 AU

Year: 22097 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,898,501 km

• M1: 81,082 km (0.077 R)
• M2: 1,613,712 km (0.102 R)
• M3: 2,856,871 km (0.114 R)
• M4: 3,498,945 km (0.104 R)
• M5: 5,322,393 km (0.096 R)
• M6: 6,217,437 km (0.116 R)
• M7: 6,662,640 km (0.087 R)
• M8: 7,534,048 km (0.111 R)
• M9: 10,243,116 km (0.101 R)
• M10: 11,620,015 km (0.113 R)
• M11: 12,352,895 km (0.101 R)
• M12: 12,584,472 km (0.046 R)
• M13: 13,056,304 km (0.072 R)
• M14: 13,910,358 km (0.097 R)
• M15: 15,460,042 km (0.088 R)
• M16: 17,337,196 km (0.119 R)
• M17: 19,516,987 km (0.076 R)
• M18: 21,704,706 km (0.071 R)
• M19: 22,127,171 km (0.09 R)
• M20: 23,871,482 km (0.05 R)
• M21: 25,424,757 km (0.104 R)
• M22: 25,894,045 km (0.091 R)
• M23: 26,849,975 km (0.116 R)
• M24: 30,486,700 km (0.108 R)
• M25: 33,085,514 km (0.114 R)
• M26: 33,532,512 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 10,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit