🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 9.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,046,436 km

• M1: 123,119 km (0.103 R)
• M2: 510,877 km (0.073 R)
• M3: 853,157 km (0.058 R)
• M4: 1,605,036 km (0.103 R)
• M5: 2,018,973 km (0.038 R)
• M6: 2,395,511 km (0.103 R)
• M7: 3,012,303 km (0.057 R)
• M8: 3,743,687 km (0.058 R)
• M9: 4,437,821 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 12.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.05 AU - 1.29 AU

Year: 858 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 97.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,046,436 km

• M1: 156,629 km (0.09 R)
• M2: 644,019 km (0.116 R)
• M3: 1,186,910 km (0.043 R)
• M4: 1,863,391 km (0.091 R)
• M5: 2,469,113 km (0.049 R)
• M6: 3,031,302 km (0.11 R)
• M7: 3,514,652 km (0.028 R)
• M8: 4,414,633 km (0.05 R)
• M9: 5,553,671 km (0.065 R)
• M10: 6,123,490 km (0.075 R)
• M11: 6,627,934 km (0.095 R)
• M12: 7,537,788 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 13.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.93 AU - 4.11 AU

Year: 4479 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,046,436 km

• M1: 175,628 km (0.115 R)
• M2: 639,830 km (0.099 R)
• M3: 1,098,198 km (0.051 R)
• M4: 1,712,297 km (0.046 R)
• M5: 2,157,351 km (0.108 R)
• M6: 2,781,623 km (0.105 R)
• M7: 7,174,265 km (0.063 R)
• M8: 7,923,152 km (0.102 R)
• M9: 8,685,952 km (0.114 R)
• M10: 9,860,295 km (0.052 R)
• M11: 15,082,308 km (0.114 R)
• M12: 17,128,807 km (0.061 R)
• M13: 19,743,628 km (0.06 R)
• M14: 26,144,173 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 12.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.61 AU - 5.41 AU

Year: 7606 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,046,436 km

• M1: 174,581 km (0.082 R)
• M2: 1,185,563 km (0.081 R)
• M3: 1,811,481 km (0.108 R)
• M4: 4,571,113 km (0.083 R)
• M5: 5,724,213 km (0.091 R)
• M6: 6,793,688 km (0.111 R)
• M7: 8,542,786 km (0.065 R)
• M8: 9,001,453 km (0.096 R)
• M9: 9,446,358 km (0.095 R)
• M10: 10,771,047 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.6

Radius: 7.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.48 AU - 6.98 AU

Year: 9303 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,046,436 km

• M1: 94,695 km (0.083 R)
• M2: 451,486 km (0.085 R)
• M3: 789,727 km (0.108 R)
• M4: 1,516,922 km (0.116 R)
• M5: 1,836,763 km (0.112 R)
• M6: 2,096,016 km (0.066 R)
• M7: 4,482,401 km (0.072 R)
• M8: 4,771,873 km (0.107 R)
• M9: 5,538,263 km (0.074 R)
• M10: 7,013,597 km (0.058 R)
• M11: 9,186,805 km (0.104 R)
• M12: 10,522,864 km (0.064 R)
• M13: 11,857,127 km (0.117 R)
• M14: 15,202,734 km (0.081 R)
• M15: 16,322,773 km (0.103 R)
• M16: 16,902,914 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.4

Radius: 4

Gravity: 38.78 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.37 AU - 8.81 AU

Year: 12804 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,046,436 km

• M1: 51,013 km (0.061 R)
• M2: 442,511 km (0.116 R)
• M3: 655,687 km (0.114 R)
• M4: 873,053 km (0.087 R)
• M5: 1,054,964 km (0.12 R)
• M6: 1,466,658 km (0.091 R)
• M7: 1,646,025 km (0.087 R)
• M8: 2,178,295 km (0.12 R)
• M9: 3,024,121 km (0.095 R)
• M10: 3,468,277 km (0.043 R)
• M11: 3,599,175 km (0.054 R)
• M12: 4,068,763 km (0.105 R)
• M13: 4,546,878 km (0.092 R)
• M14: 5,095,004 km (0.115 R)
• M15: 7,212,263 km (0.05 R)
• M16: 7,556,039 km (0.057 R)
• M17: 9,040,798 km (0.073 R)
• M18: 9,644,575 km (0.068 R)
• M19: 10,274,681 km (0.098 R)
• M20: 10,545,154 km (0.086 R)
• M21: 13,711,094 km (0.102 R)
• M22: 13,973,040 km (0.119 R)
• M23: 14,304,997 km (0.102 R)
• M24: 16,116,777 km (0.068 R)
• M25: 21,129,502 km (0.032 R)
• M26: 21,303,784 km (0.105 R)
• M27: 22,010,185 km (0.066 R)
• M28: 22,732,144 km (0.062 R)
• M29: 23,283,861 km (0.098 R)
• M30: 24,509,816 km (0.098 R)
• M31: 27,398,252 km (0.108 R)
• M32: 30,951,949 km (0.058 R)
• M33: 32,086,499 km (0.075 R)
• M34: 33,839,936 km (0.093 R)
• M35: 34,198,223 km (0.108 R)
• M36: 38,048,872 km (0.05 R)
• M37: 38,177,676 km (0.081 R)
• M38: 46,450,139 km (0.049 R)
• M39: 47,935,646 km (0.094 R)
• M40: 48,387,431 km (0.091 R)
• M41: 53,545,566 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.5

Radius: 4.8

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.83 AU - 8.71 AU

Year: 16131 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,046,436 km

• M1: 109,356 km (0.066 R)
• M2: 631,602 km (0.054 R)
• M3: 1,500,317 km (0.091 R)
• M4: 1,776,624 km (0.107 R)
• M5: 2,323,704 km (0.103 R)
• M6: 5,220,517 km (0.107 R)
• M7: 5,723,615 km (0.112 R)
• M8: 6,644,988 km (0.046 R)
• M9: 11,122,003 km (0.083 R)
• M10: 12,437,717 km (0.116 R)
• M11: 12,768,328 km (0.105 R)
• M12: 16,141,610 km (0.099 R)
• M13: 16,601,025 km (0.118 R)
• M14: 20,215,160 km (0.113 R)
• M15: 25,011,567 km (0.115 R)
• M16: 30,216,676 km (0.105 R)
• M17: 32,237,743 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.9

Radius: 6.9

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.36 AU - 10.96 AU

Year: 21965 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,046,436 km

• M1: 86,617 km (0.092 R)
• M2: 624,721 km (0.092 R)
• M3: 905,965 km (0.027 R)
• M4: 1,876,406 km (0.054 R)
• M5: 2,191,758 km (0.117 R)
• M6: 3,006,169 km (0.059 R)
• M7: 5,679,184 km (0.096 R)
• M8: 6,341,603 km (0.106 R)
• M9: 8,427,746 km (0.072 R)
• M10: 10,870,978 km (0.103 R)
• M11: 12,557,395 km (0.061 R)
• M12: 19,098,562 km (0.062 R)
• M13: 20,107,001 km (0.079 R)
• M14: 23,655,762 km (0.048 R)
• M15: 25,359,083 km (0.111 R)
• M16: 25,907,658 km (0.108 R)
• M17: 31,583,551 km (0.105 R)
• M18: 31,963,530 km (0.078 R)
• M19: 33,513,962 km (0.032 R)
• M20: 35,795,479 km (0.083 R)
• M21: 48,265,659 km (0.091 R)
• M22: 59,799,355 km (0.048 R)
• M23: 62,148,341 km (0.057 R)
• M24: 72,160,777 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 17,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit