🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 10.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.86 AU - 0.96 AU

Year: 589 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,336,699 km

• M1: 125,812 km (0.066 R)
• M2: 541,395 km (0.086 R)
• M3: 857,495 km (0.114 R)
• M4: 1,187,657 km (0.077 R)
• M5: 2,374,118 km (0.1 R)
• M6: 2,694,856 km (0.104 R)
• M7: 3,282,028 km (0.045 R)
• M8: 3,766,126 km (0.048 R)
• M9: 4,251,272 km (0.084 R)
• M10: 4,844,428 km (0.106 R)
• M11: 5,437,284 km (0.108 R)
• M12: 6,809,994 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.8

Radius: 8.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.31 AU - 1.49 AU

Year: 1124 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,336,699 km

• M1: 109,655 km (0.101 R)
• M2: 411,993 km (0.101 R)
• M3: 824,883 km (0.097 R)
• M4: 1,878,800 km (0.066 R)
• M5: 2,245,015 km (0.089 R)
• M6: 2,647,733 km (0.092 R)
• M7: 4,227,636 km (0.107 R)
• M8: 4,696,924 km (0.031 R)
• M9: 5,287,986 km (0.084 R)
• M10: 6,355,666 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 13.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.76 AU - 1.8 AU

Year: 1611 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,336,699 km

• M1: 166,802 km (0.036 R)
• M2: 619,186 km (0.119 R)
• M3: 1,175,540 km (0.057 R)
• M4: 1,802,654 km (0.09 R)
• M5: 2,441,437 km (0.114 R)
• M6: 2,927,481 km (0.111 R)
• M7: 4,243,044 km (0.075 R)
• M8: 5,211,391 km (0.065 R)
• M9: 5,677,987 km (0.102 R)
• M10: 6,831,237 km (0.107 R)
• M11: 7,248,615 km (0.062 R)
• M12: 8,032,957 km (0.069 R)
• M13: 9,655,795 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 8.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.08 AU - 2.1 AU

Year: 2049 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,336,699 km

• M1: 107,112 km (0.053 R)
• M2: 565,929 km (0.071 R)
• M3: 972,087 km (0.08 R)
• M4: 1,323,044 km (0.029 R)
• M5: 1,669,063 km (0.104 R)
• M6: 2,307,697 km (0.096 R)
• M7: 2,776,088 km (0.116 R)
• M8: 3,223,086 km (0.1 R)
• M9: 4,177,969 km (0.118 R)
• M10: 4,820,642 km (0.075 R)
• M11: 5,709,552 km (0.06 R)
• M12: 6,064,398 km (0.098 R)
• M13: 6,703,630 km (0.088 R)
• M14: 7,583,714 km (0.115 R)
• M15: 8,038,791 km (0.082 R)
• M16: 8,485,191 km (0.106 R)
• M17: 9,087,323 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 12.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.87 AU

Year: 2778 Days

Day: 10.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,336,699 km

• M1: 155,881 km (0.058 R)
• M2: 684,859 km (0.074 R)
• M3: 1,087,726 km (0.102 R)
• M4: 1,800,111 km (0.097 R)
• M5: 2,789,551 km (0.117 R)
• M6: 3,307,609 km (0.09 R)
• M7: 3,989,626 km (0.087 R)
• M8: 4,473,126 km (0.106 R)
• M9: 5,019,158 km (0.105 R)
• M10: 6,001,418 km (0.089 R)
• M11: 6,411,914 km (0.112 R)
• M12: 7,137,913 km (0.086 R)
• M13: 7,982,692 km (0.117 R)
• M14: 8,684,904 km (0.11 R)
• M15: 9,104,526 km (0.119 R)
• M16: 9,611,065 km (0.101 R)
• M17: 10,760,126 km (0.095 R)
• M18: 11,786,068 km (0.089 R)
• M19: 12,965,947 km (0.107 R)
• M20: 17,305,482 km (0.112 R)
• M21: 20,746,083 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.7

Radius: 4.2

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.69 AU - 7.71 AU

Year: 14492 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,336,699 km

• M1: 52,210 km (0.096 R)
• M2: 184,155 km (0.061 R)
• M3: 444,306 km (0.111 R)
• M4: 605,722 km (0.116 R)
• M5: 743,651 km (0.105 R)
• M6: 1,701,377 km (0.102 R)
• M7: 1,912,010 km (0.047 R)
• M8: 3,001,681 km (0.066 R)
• M9: 4,101,375 km (0.119 R)
• M10: 4,725,498 km (0.069 R)
• M11: 6,272,340 km (0.027 R)
• M12: 7,304,864 km (0.101 R)
• M13: 10,800,667 km (0.046 R)
• M14: 11,923,399 km (0.087 R)
• M15: 14,596,115 km (0.053 R)
• M16: 17,417,680 km (0.091 R)
• M17: 18,098,949 km (0.088 R)
• M18: 18,485,210 km (0.069 R)
• M19: 21,601,484 km (0.077 R)
• M20: 22,387,621 km (0.117 R)
• M21: 24,389,390 km (0.113 R)
• M22: 24,765,778 km (0.063 R)
• M23: 25,917,981 km (0.073 R)
• M24: 30,124,224 km (0.068 R)
• M25: 31,994,048 km (0.058 R)
• M26: 33,823,181 km (0.045 R)
• M27: 34,526,740 km (0.1 R)
• M28: 40,247,811 km (0.097 R)
• M29: 40,641,553 km (0.116 R)
• M30: 44,440,142 km (0.113 R)
• M31: 49,362,510 km (0.099 R)
• M32: 49,662,903 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 17,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit