🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 14.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.12 AU - 1.32 AU

Year: 884 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,341,158 km

• M1: 224,546 km (0.087 R)
• M2: 692,937 km (0.062 R)
• M3: 1,221,467 km (0.066 R)
• M4: 1,823,000 km (0.058 R)
• M5: 2,448,020 km (0.091 R)
• M6: 3,026,963 km (0.057 R)
• M7: 4,290,467 km (0.106 R)
• M8: 5,670,208 km (0.104 R)
• M9: 7,373,829 km (0.045 R)
• M10: 7,907,893 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 8

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.26 AU - 1.62 AU

Year: 1134 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,341,158 km

• M1: 99,483 km (0.102 R)
• M2: 369,956 km (0.118 R)
• M3: 752,926 km (0.108 R)
• M4: 1,277,715 km (0.105 R)
• M5: 1,562,699 km (0.071 R)
• M6: 2,115,314 km (0.1 R)
• M7: 2,556,029 km (0.049 R)
• M8: 2,832,636 km (0.094 R)
• M9: 3,852,444 km (0.106 R)
• M10: 4,326,221 km (0.096 R)
• M11: 4,818,547 km (0.093 R)
• M12: 5,626,526 km (0.099 R)
• M13: 5,937,539 km (0.071 R)
• M14: 6,618,659 km (0.101 R)
• M15: 7,429,629 km (0.104 R)
• M16: 7,804,521 km (0.047 R)
• M17: 8,135,880 km (0.103 R)
• M18: 8,592,154 km (0.117 R)
• M19: 11,134,719 km (0.048 R)
• M20: 12,095,437 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 14.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.63 AU - 2.35 AU

Year: 1842 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,341,158 km

• M1: 178,620 km (0.045 R)
• M2: 726,148 km (0.077 R)
• M3: 1,190,201 km (0.097 R)
• M4: 1,760,468 km (0.096 R)
• M5: 2,892,624 km (0.049 R)
• M6: 3,841,524 km (0.054 R)
• M7: 4,313,355 km (0.115 R)
• M8: 4,824,083 km (0.098 R)
• M9: 6,503,767 km (0.115 R)
• M10: 7,044,863 km (0.113 R)
• M11: 8,516,008 km (0.073 R)
• M12: 9,714,437 km (0.1 R)
• M13: 10,879,505 km (0.113 R)
• M14: 11,983,238 km (0.102 R)
• M15: 14,456,241 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 10.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.48 AU - 4.48 AU

Year: 5209 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,341,158 km

• M1: 130,599 km (0.09 R)
• M2: 549,024 km (0.073 R)
• M3: 884,123 km (0.108 R)
• M4: 1,688,810 km (0.084 R)
• M5: 2,024,508 km (0.067 R)
• M6: 3,134,823 km (0.063 R)
• M7: 4,122,169 km (0.038 R)
• M8: 4,585,923 km (0.063 R)
• M9: 5,221,564 km (0.102 R)
• M10: 5,914,950 km (0.045 R)
• M11: 7,000,881 km (0.088 R)
• M12: 8,519,898 km (0.068 R)
• M13: 8,911,844 km (0.103 R)
• M14: 9,315,908 km (0.093 R)
• M15: 13,208,894 km (0.117 R)
• M16: 14,439,186 km (0.105 R)
• M17: 14,997,336 km (0.075 R)
• M18: 15,569,847 km (0.12 R)
• M19: 18,457,834 km (0.066 R)
• M20: 18,982,623 km (0.112 R)
• M21: 19,382,798 km (0.056 R)
• M22: 21,540,597 km (0.1 R)
• M23: 23,166,128 km (0.069 R)
• M24: 25,918,130 km (0.108 R)
• M25: 27,161,737 km (0.03 R)
• M26: 28,618,671 km (0.113 R)
• M27: 30,036,859 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 6.5

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.53 AU - 10.75 AU

Year: 16660 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,341,158 km

• M1: 81,232 km (0.112 R)
• M2: 513,869 km (0.037 R)
• M3: 1,341,444 km (0.095 R)
• M4: 3,632,835 km (0.089 R)
• M5: 4,622,873 km (0.119 R)
• M6: 5,013,922 km (0.065 R)
• M7: 6,893,021 km (0.098 R)
• M8: 7,644,002 km (0.082 R)
• M9: 8,979,014 km (0.076 R)
• M10: 11,839,175 km (0.102 R)
• M11: 14,272,235 km (0.067 R)
• M12: 15,488,017 km (0.116 R)
• M13: 16,607,159 km (0.111 R)
• M14: 19,005,362 km (0.077 R)
• M15: 23,123,044 km (0.079 R)
• M16: 24,159,159 km (0.095 R)
• M17: 26,771,885 km (0.084 R)
• M18: 30,295,065 km (0.025 R)
• M19: 35,185,868 km (0.07 R)
• M20: 37,534,704 km (0.085 R)
• M21: 37,959,712 km (0.058 R)
• M22: 47,644,827 km (0.095 R)
• M23: 51,729,298 km (0.087 R)
• M24: 52,963,181 km (0.06 R)
• M25: 54,941,613 km (0.081 R)
• M26: 58,095,286 km (0.099 R)
• M27: 62,948,989 km (0.093 R)
• M28: 64,354,910 km (0.059 R)
• M29: 65,781,624 km (0.106 R)
• M30: 71,917,381 km (0.115 R)
• M31: 72,573,069 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit