🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 11.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.58 AU - 0.82 AU

Year: 404 Days

Day: 10.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,512,105 km

• M1: 147,952 km (0.084 R)
• M2: 706,102 km (0.119 R)
• M3: 1,216,380 km (0.064 R)
• M4: 1,656,348 km (0.102 R)
• M5: 2,047,696 km (0.111 R)
• M6: 2,437,847 km (0.093 R)
• M7: 3,171,924 km (0.076 R)
• M8: 4,351,353 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 14.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.4 AU - 1.52 AU

Year: 1218 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,512,105 km

• M1: 194,926 km (0.106 R)
• M2: 708,496 km (0.092 R)
• M3: 1,445,863 km (0.095 R)
• M4: 3,178,356 km (0.07 R)
• M5: 3,778,842 km (0.095 R)
• M6: 4,535,957 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 13

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.13 AU - 1.83 AU

Year: 1243 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,512,105 km

• M1: 161,715 km (0.102 R)
• M2: 580,889 km (0.076 R)
• M3: 1,254,229 km (0.084 R)
• M4: 1,956,591 km (0.102 R)
• M5: 2,540,770 km (0.075 R)
• M6: 3,299,381 km (0.096 R)
• M7: 4,330,709 km (0.062 R)
• M8: 4,882,127 km (0.084 R)
• M9: 5,609,771 km (0.091 R)
• M10: 6,103,444 km (0.114 R)
• M11: 6,577,370 km (0.111 R)
• M12: 8,404,408 km (0.113 R)
• M13: 8,902,420 km (0.072 R)
• M14: 9,639,040 km (0.111 R)
• M15: 10,152,310 km (0.063 R)
• M16: 11,304,064 km (0.033 R)
• M17: 12,021,086 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 10.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.29 AU - 2.07 AU

Year: 1503 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,512,105 km

• M1: 131,796 km (0.076 R)
• M2: 894,894 km (0.052 R)
• M3: 1,619,995 km (0.051 R)
• M4: 2,271,045 km (0.075 R)
• M5: 3,412,776 km (0.108 R)
• M6: 4,142,814 km (0.069 R)
• M7: 4,511,273 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.8

Radius: 15

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.05 AU - 3.21 AU

Year: 2944 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,512,105 km

• M1: 186,549 km (0.083 R)
• M2: 692,788 km (0.092 R)
• M3: 1,337,405 km (0.066 R)
• M4: 1,819,409 km (0.112 R)
• M5: 2,579,217 km (0.05 R)
• M6: 3,507,322 km (0.069 R)
• M7: 4,385,312 km (0.104 R)
• M8: 4,970,389 km (0.048 R)
• M9: 5,455,685 km (0.097 R)
• M10: 6,437,944 km (0.097 R)
• M11: 7,349,295 km (0.067 R)
• M12: 7,917,019 km (0.077 R)
• M13: 8,412,337 km (0.115 R)
• M14: 8,893,444 km (0.119 R)
• M15: 11,167,780 km (0.115 R)
• M16: 12,750,675 km (0.112 R)
• M17: 16,042,876 km (0.042 R)
• M18: 18,974,396 km (0.078 R)
• M19: 19,925,539 km (0.112 R)
• M20: 20,597,682 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 10.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.35 AU - 4.77 AU

Year: 6721 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,512,105 km

• M1: 129,402 km (0.026 R)
• M2: 469,438 km (0.043 R)
• M3: 932,892 km (0.11 R)
• M4: 1,555,818 km (0.106 R)
• M5: 2,084,646 km (0.093 R)
• M6: 2,469,711 km (0.114 R)
• M7: 2,815,282 km (0.065 R)
• M8: 3,424,445 km (0.063 R)
• M9: 3,835,091 km (0.084 R)
• M10: 4,731,033 km (0.114 R)
• M11: 5,163,071 km (0.111 R)
• M12: 6,106,286 km (0.12 R)
• M13: 6,902,296 km (0.084 R)
• M14: 8,010,368 km (0.053 R)
• M15: 9,117,093 km (0.07 R)
• M16: 9,991,492 km (0.063 R)
• M17: 11,952,870 km (0.106 R)
• M18: 13,295,511 km (0.052 R)
• M19: 15,549,502 km (0.114 R)
• M20: 16,507,227 km (0.107 R)
• M21: 21,002,943 km (0.046 R)
• M22: 22,102,637 km (0.098 R)
• M23: 22,952,203 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.5

Radius: 4.5

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.56 AU - 8.3 AU

Year: 15414 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,512,105 km

• M1: 59,690 km (0.067 R)
• M2: 246,388 km (0.054 R)
• M3: 642,672 km (0.08 R)
• M4: 985,700 km (0.091 R)
• M5: 1,258,118 km (0.113 R)
• M6: 1,547,889 km (0.103 R)
• M7: 2,045,452 km (0.112 R)
• M8: 3,168,483 km (0.074 R)
• M9: 4,850,412 km (0.1 R)
• M10: 6,016,976 km (0.119 R)
• M11: 8,686,700 km (0.043 R)
• M12: 9,354,205 km (0.115 R)
• M13: 10,110,722 km (0.104 R)
• M14: 11,929,533 km (0.072 R)
• M15: 17,287,231 km (0.071 R)
• M16: 24,754,109 km (0.119 R)
• M17: 25,159,968 km (0.094 R)
• M18: 27,256,882 km (0.084 R)
• M19: 32,636,870 km (0.09 R)
• M20: 34,998,721 km (0.064 R)
• M21: 48,058,166 km (0.033 R)
• M22: 49,326,906 km (0.031 R)
• M23: 51,107,569 km (0.078 R)
• M24: 57,588,448 km (0.052 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 20,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit