🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 9.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.61 AU - 0.85 AU

Year: 431 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,633,963 km

• M1: 113,994 km (0.106 R)
• M2: 575,054 km (0.088 R)
• M3: 1,301,950 km (0.084 R)
• M4: 2,434,855 km (0.112 R)
• M5: 2,800,771 km (0.055 R)
• M6: 3,226,228 km (0.056 R)
• M7: 3,964,643 km (0.049 R)
• M8: 4,275,956 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 14.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.88 AU - 0.9 AU

Year: 580 Days

Day: 14.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,633,963 km

• M1: 184,005 km (0.056 R)
• M2: 644,318 km (0.093 R)
• M3: 1,327,083 km (0.049 R)
• M4: 1,788,592 km (0.074 R)
• M5: 2,458,641 km (0.063 R)
• M6: 3,076,929 km (0.102 R)
• M7: 3,663,801 km (0.115 R)
• M8: 4,178,119 km (0.1 R)
• M9: 4,788,478 km (0.089 R)
• M10: 5,388,366 km (0.064 R)
• M11: 5,981,970 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 14.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.19 AU - 1.27 AU

Year: 942 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,633,963 km

• M1: 182,809 km (0.037 R)
• M2: 668,852 km (0.093 R)
• M3: 1,332,618 km (0.079 R)
• M4: 1,842,896 km (0.077 R)
• M5: 2,525,062 km (0.061 R)
• M6: 2,994,351 km (0.091 R)
• M7: 4,000,845 km (0.066 R)
• M8: 4,537,902 km (0.114 R)
• M9: 5,189,251 km (0.101 R)
• M10: 5,687,262 km (0.057 R)
• M11: 6,179,738 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 9.9

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.57 AU - 2.51 AU

Year: 2011 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,633,963 km

• M1: 123,269 km (0.115 R)
• M2: 479,910 km (0.095 R)
• M3: 864,376 km (0.108 R)
• M4: 1,883,886 km (0.1 R)
• M5: 2,768,009 km (0.086 R)
• M6: 3,707,334 km (0.118 R)
• M7: 4,211,479 km (0.086 R)
• M8: 4,824,831 km (0.098 R)
• M9: 5,662,130 km (0.071 R)
• M10: 7,306,510 km (0.105 R)
• M11: 7,623,358 km (0.115 R)
• M12: 8,597,838 km (0.095 R)
• M13: 10,719,286 km (0.084 R)
• M14: 11,940,752 km (0.1 R)
• M15: 14,932,411 km (0.089 R)
• M16: 15,633,127 km (0.065 R)
• M17: 16,209,228 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 8.8

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.95 AU - 4.29 AU

Year: 4754 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,633,963 km

• M1: 109,655 km (0.111 R)
• M2: 530,923 km (0.091 R)
• M3: 865,274 km (0.103 R)
• M4: 1,207,704 km (0.046 R)
• M5: 1,984,416 km (0.068 R)
• M6: 2,312,933 km (0.105 R)
• M7: 2,660,299 km (0.096 R)
• M8: 3,782,732 km (0.119 R)
• M9: 5,193,888 km (0.073 R)
• M10: 6,598,014 km (0.116 R)
• M11: 7,475,555 km (0.053 R)
• M12: 7,796,891 km (0.085 R)
• M13: 8,127,353 km (0.115 R)
• M14: 8,816,401 km (0.045 R)
• M15: 9,419,879 km (0.104 R)
• M16: 10,530,942 km (0.037 R)
• M17: 11,966,932 km (0.113 R)
• M18: 12,556,497 km (0.098 R)
• M19: 13,793,372 km (0.081 R)
• M20: 14,551,534 km (0.087 R)
• M21: 16,870,451 km (0.111 R)
• M22: 20,864,864 km (0.092 R)
• M23: 21,574,855 km (0.101 R)
• M24: 22,521,660 km (0.109 R)
• M25: 28,532,503 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994

Radius: 6.9

Gravity: 20.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.98 AU - 6.76 AU

Year: 11097 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,633,963 km

• M1: 85,869 km (0.096 R)
• M2: 738,565 km (0.111 R)
• M3: 1,071,719 km (0.038 R)
• M4: 1,374,505 km (0.03 R)
• M5: 2,061,309 km (0.07 R)
• M6: 2,728,516 km (0.076 R)
• M7: 3,247,770 km (0.076 R)
• M8: 4,388,902 km (0.072 R)
• M9: 4,607,764 km (0.068 R)
• M10: 6,349,981 km (0.105 R)
• M11: 6,877,313 km (0.113 R)
• M12: 7,477,500 km (0.053 R)
• M13: 7,973,118 km (0.092 R)
• M14: 8,442,406 km (0.096 R)
• M15: 9,029,877 km (0.037 R)
• M16: 11,243,327 km (0.097 R)
• M17: 11,535,791 km (0.078 R)
• M18: 16,407,446 km (0.102 R)
• M19: 16,859,979 km (0.089 R)
• M20: 17,948,603 km (0.077 R)
• M21: 18,510,044 km (0.112 R)
• M22: 20,351,294 km (0.12 R)
• M23: 21,138,478 km (0.116 R)
• M24: 23,053,929 km (0.084 R)
• M25: 23,909,180 km (0.029 R)
• M26: 24,491,116 km (0.047 R)
• M27: 25,783,941 km (0.086 R)
• M28: 29,712,231 km (0.061 R)
• M29: 34,021,548 km (0.115 R)
• M30: 37,676,972 km (0.118 R)
• M31: 40,345,199 km (0.104 R)
• M32: 41,169,633 km (0.102 R)
• M33: 41,446,988 km (0.065 R)
• M34: 42,710,192 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.7

Radius: 6.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.28 AU - 8.14 AU

Year: 13363 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,633,963 km

• M1: 75,846 km (0.059 R)
• M2: 584,030 km (0.09 R)
• M3: 786,735 km (0.09 R)
• M4: 1,375,104 km (0.086 R)
• M5: 1,869,225 km (0.026 R)
• M6: 2,766,364 km (0.067 R)
• M7: 2,999,587 km (0.119 R)
• M8: 3,595,585 km (0.069 R)
• M9: 3,945,644 km (0.079 R)
• M10: 4,318,292 km (0.111 R)
• M11: 4,714,128 km (0.092 R)
• M12: 5,133,900 km (0.119 R)
• M13: 5,856,906 km (0.044 R)
• M14: 6,047,793 km (0.119 R)
• M15: 6,308,841 km (0.055 R)
• M16: 6,958,994 km (0.118 R)
• M17: 7,465,981 km (0.115 R)
• M18: 9,392,203 km (0.082 R)
• M19: 9,610,317 km (0.064 R)
• M20: 15,067,049 km (0.111 R)
• M21: 15,730,216 km (0.105 R)
• M22: 17,902,676 km (0.065 R)
• M23: 18,441,528 km (0.071 R)
• M24: 20,558,637 km (0.046 R)
• M25: 22,056,710 km (0.028 R)
• M26: 27,515,836 km (0.07 R)
• M27: 30,364,927 km (0.118 R)
• M28: 32,901,359 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 15,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit