🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.72 AU - 1.14 AU

Year: 588 Days

Day: 12 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,393,442 km

• M1: 145,559 km (0.05 R)
• M2: 539,899 km (0.091 R)
• M3: 1,056,460 km (0.104 R)
• M4: 1,424,621 km (0.085 R)
• M5: 1,798,017 km (0.098 R)
• M6: 2,190,562 km (0.088 R)
• M7: 2,952,164 km (0.042 R)
• M8: 4,363,171 km (0.057 R)
• M9: 5,150,056 km (0.091 R)
• M10: 6,635,414 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 10.4

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.01 AU - 1.09 AU

Year: 706 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,393,442 km

• M1: 129,402 km (0.055 R)
• M2: 542,442 km (0.045 R)
• M3: 937,530 km (0.091 R)
• M4: 1,573,470 km (0.076 R)
• M5: 2,340,758 km (0.034 R)
• M6: 2,862,854 km (0.077 R)
• M7: 3,261,682 km (0.054 R)
• M8: 3,989,476 km (0.077 R)
• M9: 4,488,983 km (0.102 R)
• M10: 5,261,656 km (0.063 R)
• M11: 5,747,101 km (0.078 R)
• M12: 6,140,843 km (0.083 R)
• M13: 6,468,612 km (0.118 R)
• M14: 6,894,966 km (0.078 R)
• M15: 7,477,051 km (0.09 R)
• M16: 7,803,923 km (0.096 R)
• M17: 8,164,753 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 11.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.27 AU - 1.57 AU

Year: 1110 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,393,442 km

• M1: 138,079 km (0.085 R)
• M2: 887,714 km (0.066 R)
• M3: 1,460,374 km (0.081 R)
• M4: 1,918,144 km (0.108 R)
• M5: 3,463,191 km (0.104 R)
• M6: 4,066,070 km (0.047 R)
• M7: 5,037,110 km (0.099 R)
• M8: 6,156,252 km (0.102 R)
• M9: 6,665,184 km (0.108 R)
• M10: 7,224,979 km (0.08 R)
• M11: 8,490,128 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 10.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.17 AU - 1.87 AU

Year: 1229 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,393,442 km

• M1: 134,788 km (0.035 R)
• M2: 513,121 km (0.111 R)
• M3: 851,511 km (0.106 R)
• M4: 1,719,179 km (0.092 R)
• M5: 2,159,296 km (0.092 R)
• M6: 2,504,867 km (0.107 R)
• M7: 3,087,251 km (0.071 R)
• M8: 3,699,705 km (0.076 R)
• M9: 4,214,770 km (0.101 R)
• M10: 5,058,951 km (0.104 R)
• M11: 6,113,616 km (0.113 R)
• M12: 6,835,576 km (0.119 R)
• M13: 7,756,500 km (0.108 R)
• M14: 8,247,031 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 9.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.84 AU - 2.18 AU

Year: 1869 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,393,442 km

• M1: 116,836 km (0.12 R)
• M2: 539,600 km (0.117 R)
• M3: 1,893,460 km (0.1 R)
• M4: 2,429,769 km (0.097 R)
• M5: 2,959,046 km (0.099 R)
• M6: 5,480,668 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.4

Radius: 5.8

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.09 AU - 7.51 AU

Year: 11632 Days

Day: 18.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,393,442 km

• M1: 75,996 km (0.097 R)
• M2: 284,236 km (0.119 R)
• M3: 511,475 km (0.107 R)
• M4: 817,552 km (0.105 R)
• M5: 1,323,343 km (0.055 R)
• M6: 1,666,520 km (0.09 R)
• M7: 1,890,468 km (0.057 R)
• M8: 2,705,627 km (0.04 R)
• M9: 3,327,655 km (0.103 R)
• M10: 4,066,968 km (0.107 R)
• M11: 4,762,299 km (0.111 R)
• M12: 5,278,411 km (0.1 R)
• M13: 5,501,462 km (0.111 R)
• M14: 6,457,542 km (0.118 R)
• M15: 8,606,066 km (0.107 R)
• M16: 9,650,858 km (0.049 R)
• M17: 9,840,847 km (0.098 R)
• M18: 14,432,155 km (0.051 R)
• M19: 15,379,409 km (0.067 R)
• M20: 16,502,291 km (0.05 R)
• M21: 18,396,349 km (0.079 R)
• M22: 19,357,964 km (0.06 R)
• M23: 28,385,598 km (0.108 R)
• M24: 30,577,954 km (0.104 R)
• M25: 35,521,715 km (0.092 R)
• M26: 39,379,395 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.3

Radius: 3.9

Gravity: 60.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.57 AU - 8.47 AU

Year: 12202 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,393,442 km

• M1: 49,068 km (0.081 R)
• M2: 184,155 km (0.092 R)
• M3: 350,209 km (0.045 R)
• M4: 821,741 km (0.086 R)
• M5: 3,852,893 km (0.08 R)
• M6: 4,487,487 km (0.105 R)
• M7: 5,049,975 km (0.091 R)
• M8: 5,695,341 km (0.117 R)
• M9: 6,434,504 km (0.12 R)
• M10: 6,848,142 km (0.119 R)
• M11: 8,291,013 km (0.114 R)
• M12: 8,582,579 km (0.076 R)
• M13: 15,867,547 km (0.094 R)
• M14: 16,091,046 km (0.068 R)
• M15: 17,955,335 km (0.062 R)
• M16: 22,854,815 km (0.055 R)
• M17: 24,303,969 km (0.104 R)
• M18: 33,687,346 km (0.06 R)
• M19: 34,056,554 km (0.065 R)
• M20: 37,369,997 km (0.065 R)
• M21: 40,198,294 km (0.096 R)
• M22: 41,031,854 km (0.082 R)
• M23: 43,456,087 km (0.102 R)
• M24: 45,672,828 km (0.06 R)
• M25: 45,823,174 km (0.07 R)
• M26: 46,732,580 km (0.068 R)
• M27: 48,744,073 km (0.092 R)
• M28: 54,445,098 km (0.102 R)
• M29: 55,979,822 km (0.054 R)
• M30: 58,778,799 km (0.116 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: 500 - 18,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit