🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 14.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.5 AU - 0.82 AU

Year: 377 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,259,866 km

• M1: 178,021 km (0.083 R)
• M2: 801,845 km (0.073 R)
• M3: 1,509,891 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 11.1

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.69 AU - 0.85 AU

Year: 475 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,259,866 km

• M1: 138,079 km (0.113 R)
• M2: 492,177 km (0.11 R)
• M3: 871,557 km (0.064 R)
• M4: 1,267,543 km (0.081 R)
• M5: 1,849,478 km (0.079 R)
• M6: 2,325,050 km (0.107 R)
• M7: 2,959,943 km (0.053 R)
• M8: 4,636,936 km (0.062 R)
• M9: 5,165,465 km (0.069 R)
• M10: 5,557,262 km (0.067 R)
• M11: 6,005,607 km (0.092 R)
• M12: 6,516,932 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 13.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.84 AU - 1 AU

Year: 620 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,259,866 km

• M1: 177,273 km (0.11 R)
• M2: 692,788 km (0.067 R)
• M3: 1,244,654 km (0.104 R)
• M4: 1,854,714 km (0.095 R)
• M5: 2,573,831 km (0.08 R)
• M6: 3,221,590 km (0.093 R)
• M7: 3,963,446 km (0.09 R)
• M8: 4,890,354 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 11.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.86 AU - 1.28 AU

Year: 778 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,259,866 km

• M1: 144,212 km (0.079 R)
• M2: 573,857 km (0.097 R)
• M3: 1,349,822 km (0.051 R)
• M4: 2,007,903 km (0.059 R)
• M5: 2,487,962 km (0.108 R)
• M6: 3,238,495 km (0.1 R)
• M7: 4,293,160 km (0.115 R)
• M8: 4,760,503 km (0.049 R)
• M9: 6,736,243 km (0.094 R)
• M10: 8,041,783 km (0.087 R)
• M11: 8,992,627 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 10.8

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.89 AU - 2.47 AU

Year: 2263 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,259,866 km

• M1: 135,236 km (0.065 R)
• M2: 487,988 km (0.112 R)
• M3: 996,920 km (0.109 R)
• M4: 1,504,057 km (0.11 R)
• M5: 2,380,102 km (0.12 R)
• M6: 2,743,924 km (0.108 R)
• M7: 3,404,698 km (0.052 R)
• M8: 3,792,306 km (0.056 R)
• M9: 4,355,093 km (0.074 R)
• M10: 5,498,619 km (0.113 R)
• M11: 5,878,149 km (0.051 R)
• M12: 6,221,027 km (0.089 R)
• M13: 6,689,718 km (0.044 R)
• M14: 7,667,190 km (0.037 R)
• M15: 9,468,199 km (0.105 R)
• M16: 11,332,487 km (0.077 R)
• M17: 11,741,039 km (0.081 R)
• M18: 12,287,072 km (0.061 R)
• M19: 13,980,519 km (0.117 R)
• M20: 14,450,855 km (0.119 R)
• M21: 17,175,930 km (0.105 R)
• M22: 18,155,796 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 12.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.6 AU - 4.14 AU

Year: 4349 Days

Day: 12.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,259,866 km

• M1: 154,235 km (0.089 R)
• M2: 849,417 km (0.109 R)
• M3: 1,451,399 km (0.084 R)
• M4: 2,327,294 km (0.115 R)
• M5: 4,852,357 km (0.039 R)
• M6: 7,575,786 km (0.079 R)
• M7: 8,201,853 km (0.098 R)
• M8: 10,753,993 km (0.054 R)
• M9: 13,643,924 km (0.108 R)
• M10: 14,943,630 km (0.053 R)
• M11: 18,957,940 km (0.05 R)
• M12: 21,450,539 km (0.104 R)
• M13: 21,932,394 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 5.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.88 AU - 10.26 AU

Year: 19201 Days

Day: 17.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,259,866 km

• M1: 72,256 km (0.097 R)
• M2: 391,946 km (0.117 R)
• M3: 1,398,291 km (0.091 R)
• M4: 1,657,096 km (0.113 R)
• M5: 1,981,873 km (0.086 R)
• M6: 2,309,642 km (0.068 R)
• M7: 2,589,090 km (0.115 R)
• M8: 3,748,474 km (0.029 R)
• M9: 5,387,319 km (0.081 R)
• M10: 7,495,153 km (0.032 R)
• M11: 10,844,948 km (0.093 R)
• M12: 11,976,058 km (0.114 R)
• M13: 12,509,972 km (0.088 R)
• M14: 14,404,181 km (0.114 R)
• M15: 18,436,741 km (0.09 R)
• M16: 18,829,734 km (0.1 R)
• M17: 24,837,884 km (0.074 R)
• M18: 26,993,141 km (0.1 R)
• M19: 30,128,562 km (0.108 R)
• M20: 31,559,616 km (0.083 R)
• M21: 36,615,425 km (0.066 R)
• M22: 38,243,948 km (0.075 R)
• M23: 42,457,222 km (0.107 R)
• M24: 49,946,540 km (0.076 R)
• M25: 50,863,426 km (0.105 R)
• M26: 51,636,099 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 14,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit