🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 10.2

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.19 AU - 1.81 AU

Year: 1225 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 177.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,935,397 km

• M1: 128,205 km (0.093 R)
• M2: 503,098 km (0.101 R)
• M3: 950,246 km (0.054 R)
• M4: 1,485,956 km (0.109 R)
• M5: 1,854,864 km (0.054 R)
• M6: 2,608,388 km (0.095 R)
• M7: 2,976,698 km (0.05 R)
• M8: 3,701,500 km (0.101 R)
• M9: 4,043,930 km (0.104 R)
• M10: 4,463,851 km (0.11 R)
• M11: 4,973,680 km (0.097 R)
• M12: 5,609,771 km (0.1 R)
• M13: 6,180,337 km (0.116 R)
• M14: 6,915,910 km (0.101 R)
• M15: 7,572,495 km (0.081 R)
• M16: 7,985,983 km (0.098 R)
• M17: 8,619,829 km (0.104 R)
• M18: 11,785,171 km (0.097 R)
• M19: 12,683,506 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 8.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.72 AU - 4.06 AU

Year: 4162 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,935,397 km

• M1: 112,049 km (0.079 R)
• M2: 891,005 km (0.117 R)
• M3: 1,471,295 km (0.087 R)
• M4: 2,117,558 km (0.097 R)
• M5: 2,807,354 km (0.082 R)
• M6: 4,398,177 km (0.091 R)
• M7: 5,542,751 km (0.088 R)
• M8: 6,693,906 km (0.034 R)
• M9: 8,798,000 km (0.104 R)
• M10: 9,199,521 km (0.095 R)
• M11: 10,157,845 km (0.108 R)
• M12: 11,652,477 km (0.052 R)
• M13: 13,241,207 km (0.109 R)
• M14: 14,866,737 km (0.05 R)
• M15: 15,860,815 km (0.048 R)
• M16: 16,237,951 km (0.108 R)
• M17: 17,122,523 km (0.099 R)
• M18: 17,405,563 km (0.109 R)
• M19: 18,273,081 km (0.093 R)
• M20: 19,474,352 km (0.068 R)
• M21: 19,906,989 km (0.088 R)
• M22: 21,049,019 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 12.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.23 AU - 5.01 AU

Year: 5577 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,935,397 km

• M1: 163,361 km (0.076 R)
• M2: 569,220 km (0.088 R)
• M3: 1,362,986 km (0.115 R)
• M4: 2,447,870 km (0.101 R)
• M5: 3,081,716 km (0.076 R)
• M6: 4,178,867 km (0.093 R)
• M7: 4,655,187 km (0.09 R)
• M8: 6,007,252 km (0.093 R)
• M9: 6,460,085 km (0.029 R)
• M10: 7,099,466 km (0.097 R)
• M11: 7,993,313 km (0.104 R)
• M12: 10,172,506 km (0.092 R)
• M13: 10,599,757 km (0.082 R)
• M14: 11,039,126 km (0.078 R)
• M15: 11,907,392 km (0.072 R)
• M16: 13,935,790 km (0.082 R)
• M17: 14,357,057 km (0.099 R)
• M18: 15,898,813 km (0.087 R)
• M19: 19,050,541 km (0.077 R)
• M20: 19,965,631 km (0.045 R)
• M21: 23,996,246 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.2

Radius: 7.6

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.7 AU - 7.1 AU

Year: 10797 Days

Day: 15 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,935,397 km

• M1: 98,435 km (0.111 R)
• M2: 481,256 km (0.09 R)
• M3: 1,728,454 km (0.1 R)
• M4: 2,081,056 km (0.111 R)
• M5: 2,322,956 km (0.11 R)
• M6: 2,977,147 km (0.073 R)
• M7: 3,967,485 km (0.111 R)
• M8: 6,423,882 km (0.099 R)
• M9: 14,597,910 km (0.086 R)
• M10: 16,935,975 km (0.097 R)
• M11: 23,155,806 km (0.081 R)
• M12: 29,325,371 km (0.113 R)
• M13: 35,643,338 km (0.026 R)
• M14: 38,148,803 km (0.053 R)
• M15: 40,368,836 km (0.083 R)
• M16: 42,123,619 km (0.095 R)
• M17: 46,658,379 km (0.036 R)
• M18: 48,289,445 km (0.107 R)
• M19: 52,612,225 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.8

Radius: 5.2

Gravity: 16.71 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.16 AU - 11.1 AU

Year: 23112 Days

Day: 22.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,935,397 km

• M1: 67,020 km (0.092 R)
• M2: 468,690 km (0.109 R)
• M3: 1,563,747 km (0.095 R)
• M4: 2,091,827 km (0.109 R)
• M5: 6,229,854 km (0.1 R)
• M6: 12,999,606 km (0.119 R)
• M7: 17,097,840 km (0.112 R)
• M8: 17,264,342 km (0.047 R)
• M9: 19,077,917 km (0.081 R)
• M10: 33,203,098 km (0.112 R)
• M11: 37,374,485 km (0.053 R)
• M12: 39,512,687 km (0.062 R)
• M13: 39,803,954 km (0.1 R)
• M14: 44,974,505 km (0.072 R)
• M15: 51,783,303 km (0.074 R)
• M16: 52,482,224 km (0.103 R)
• M17: 62,345,062 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit