🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 11.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.54 AU - 0.9 AU

Year: 394 Days

Day: 13.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,168,443 km

• M1: 146,756 km (0.113 R)
• M2: 522,845 km (0.11 R)
• M3: 955,182 km (0.114 R)
• M4: 2,166,327 km (0.049 R)
• M5: 2,565,005 km (0.117 R)
• M6: 3,536,942 km (0.117 R)
• M7: 4,608,362 km (0.106 R)
• M8: 5,354,856 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 13.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.72 AU - 2.52 AU

Year: 1993 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,168,443 km

• M1: 162,912 km (0.045 R)
• M2: 580,589 km (0.083 R)
• M3: 1,124,677 km (0.087 R)
• M4: 1,599,949 km (0.115 R)
• M5: 2,130,423 km (0.062 R)
• M6: 2,617,215 km (0.06 R)
• M7: 3,060,024 km (0.078 R)
• M8: 3,717,806 km (0.119 R)
• M9: 4,280,893 km (0.107 R)
• M10: 7,718,353 km (0.092 R)
• M11: 8,141,116 km (0.056 R)
• M12: 9,095,102 km (0.067 R)
• M13: 9,631,560 km (0.081 R)
• M14: 10,222,471 km (0.085 R)
• M15: 11,332,787 km (0.114 R)
• M16: 12,637,729 km (0.078 R)
• M17: 13,107,317 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 8.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.02 AU - 2.7 AU

Year: 2341 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,168,443 km

• M1: 111,301 km (0.109 R)
• M2: 396,883 km (0.101 R)
• M3: 1,118,842 km (0.087 R)
• M4: 1,521,710 km (0.101 R)
• M5: 1,846,187 km (0.04 R)
• M6: 2,320,413 km (0.032 R)
• M7: 2,651,473 km (0.071 R)
• M8: 3,566,264 km (0.095 R)
• M9: 4,145,207 km (0.12 R)
• M10: 5,140,931 km (0.099 R)
• M11: 6,715,598 km (0.083 R)
• M12: 8,685,652 km (0.12 R)
• M13: 10,231,896 km (0.102 R)
• M14: 11,594,733 km (0.091 R)
• M15: 12,197,014 km (0.087 R)
• M16: 12,989,583 km (0.076 R)
• M17: 13,683,119 km (0.091 R)
• M18: 16,306,467 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 14.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.38 AU - 3.82 AU

Year: 4410 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,168,443 km

• M1: 185,352 km (0.108 R)
• M2: 888,312 km (0.112 R)
• M3: 1,478,326 km (0.053 R)
• M4: 3,276,044 km (0.116 R)
• M5: 3,936,369 km (0.105 R)
• M6: 4,537,303 km (0.092 R)
• M7: 5,014,820 km (0.092 R)
• M8: 6,312,881 km (0.103 R)
• M9: 6,943,136 km (0.103 R)
• M10: 8,293,257 km (0.049 R)
• M11: 8,857,092 km (0.073 R)
• M12: 10,879,505 km (0.082 R)
• M13: 13,396,789 km (0.086 R)
• M14: 14,927,923 km (0.087 R)
• M15: 17,287,979 km (0.12 R)
• M16: 20,154,124 km (0.11 R)
• M17: 22,304,295 km (0.118 R)
• M18: 27,220,380 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 12.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.54 AU - 5.3 AU

Year: 6000 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,168,443 km

• M1: 152,291 km (0.082 R)
• M2: 852,558 km (0.116 R)
• M3: 1,453,044 km (0.117 R)
• M4: 2,341,057 km (0.118 R)
• M5: 3,101,463 km (0.079 R)
• M6: 4,754,968 km (0.049 R)
• M7: 5,169,055 km (0.093 R)
• M8: 5,913,005 km (0.079 R)
• M9: 6,558,520 km (0.027 R)
• M10: 8,029,067 km (0.118 R)
• M11: 9,621,985 km (0.059 R)
• M12: 10,242,368 km (0.097 R)
• M13: 12,522,090 km (0.096 R)
• M14: 14,199,381 km (0.105 R)
• M15: 15,062,710 km (0.111 R)
• M16: 20,413,078 km (0.03 R)
• M17: 24,312,496 km (0.055 R)
• M18: 26,737,927 km (0.116 R)
• M19: 32,950,876 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 9.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.85 AU - 5.85 AU

Year: 7990 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,168,443 km

• M1: 116,836 km (0.079 R)
• M2: 465,698 km (0.102 R)
• M3: 798,105 km (0.094 R)
• M4: 1,304,793 km (0.108 R)
• M5: 1,986,211 km (0.102 R)
• M6: 2,292,887 km (0.051 R)
• M7: 3,243,282 km (0.086 R)
• M8: 4,643,368 km (0.082 R)
• M9: 5,217,675 km (0.082 R)
• M10: 7,810,804 km (0.092 R)
• M11: 8,113,889 km (0.109 R)
• M12: 9,363,929 km (0.107 R)
• M13: 10,507,455 km (0.101 R)
• M14: 13,176,281 km (0.096 R)
• M15: 14,609,728 km (0.075 R)
• M16: 15,423,241 km (0.078 R)
• M17: 15,721,091 km (0.109 R)
• M18: 16,389,793 km (0.116 R)
• M19: 17,653,895 km (0.072 R)
• M20: 18,376,303 km (0.114 R)
• M21: 20,091,293 km (0.106 R)
• M22: 22,135,997 km (0.03 R)
• M23: 22,898,647 km (0.041 R)
• M24: 23,208,614 km (0.119 R)
• M25: 25,045,526 km (0.078 R)
• M26: 25,540,246 km (0.117 R)
• M27: 31,230,351 km (0.1 R)
• M28: 32,481,138 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.3

Radius: 5.5

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.14 AU - 6.6 AU

Year: 10381 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,168,443 km

• M1: 68,366 km (0.109 R)
• M2: 262,395 km (0.099 R)
• M3: 658,231 km (0.092 R)
• M4: 915,689 km (0.106 R)
• M5: 1,546,992 km (0.087 R)
• M6: 2,573,682 km (0.118 R)
• M7: 2,850,288 km (0.054 R)
• M8: 4,362,274 km (0.098 R)
• M9: 5,373,705 km (0.101 R)
• M10: 6,341,603 km (0.079 R)
• M11: 7,981,495 km (0.067 R)
• M12: 8,523,937 km (0.114 R)
• M13: 9,833,816 km (0.117 R)
• M14: 10,456,891 km (0.054 R)
• M15: 10,886,686 km (0.063 R)
• M16: 11,161,348 km (0.092 R)
• M17: 11,781,580 km (0.087 R)
• M18: 15,784,071 km (0.063 R)
• M19: 17,746,347 km (0.109 R)
• M20: 19,062,060 km (0.117 R)
• M21: 19,784,318 km (0.093 R)
• M22: 20,524,529 km (0.092 R)
• M23: 21,112,897 km (0.109 R)
• M24: 23,579,467 km (0.101 R)
• M25: 27,832,983 km (0.109 R)
• M26: 28,449,925 km (0.099 R)
• M27: 28,971,124 km (0.029 R)
• M28: 29,924,960 km (0.103 R)
• M29: 34,067,175 km (0.077 R)
• M30: 44,157,551 km (0.11 R)
• M31: 47,430,902 km (0.058 R)
• M32: 48,016,279 km (0.107 R)
• M33: 49,350,842 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit