🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 8.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.77 AU - 0.95 AU

Year: 541 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,572,094 km

• M1: 127,906 km (0.1 R)
• M2: 549,473 km (0.094 R)
• M3: 828,024 km (0.09 R)
• M4: 1,269,637 km (0.111 R)
• M5: 1,542,653 km (0.116 R)
• M6: 2,276,730 km (0.116 R)
• M7: 2,657,008 km (0.072 R)
• M8: 3,110,589 km (0.111 R)
• M9: 3,719,751 km (0.086 R)
• M10: 4,275,358 km (0.056 R)
• M11: 4,731,033 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.3

Radius: 10.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.96 AU - 1.38 AU

Year: 858 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,572,094 km

• M1: 125,662 km (0.087 R)
• M2: 465,997 km (0.101 R)
• M3: 825,930 km (0.116 R)
• M4: 1,150,557 km (0.116 R)
• M5: 1,827,338 km (0.027 R)
• M6: 2,384,141 km (0.079 R)
• M7: 2,873,177 km (0.067 R)
• M8: 3,731,868 km (0.119 R)
• M9: 4,053,504 km (0.11 R)
• M10: 4,579,490 km (0.101 R)
• M11: 4,985,199 km (0.076 R)
• M12: 5,909,714 km (0.116 R)
• M13: 6,284,607 km (0.083 R)
• M14: 6,609,084 km (0.059 R)
• M15: 7,291,699 km (0.112 R)
• M16: 7,747,973 km (0.115 R)
• M17: 9,013,122 km (0.081 R)
• M18: 9,426,760 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 13.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.32 AU - 1.44 AU

Year: 1100 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,572,094 km

• M1: 172,935 km (0.072 R)
• M2: 626,965 km (0.118 R)
• M3: 1,186,461 km (0.082 R)
• M4: 1,692,999 km (0.087 R)
• M5: 2,519,228 km (0.092 R)
• M6: 3,348,898 km (0.098 R)
• M7: 3,926,795 km (0.098 R)
• M8: 4,436,624 km (0.088 R)
• M9: 4,883,174 km (0.088 R)
• M10: 5,847,781 km (0.114 R)
• M11: 7,003,873 km (0.104 R)
• M12: 8,230,875 km (0.074 R)
• M13: 9,043,939 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 8.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.34 AU - 1.56 AU

Year: 1184 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,572,094 km

• M1: 110,254 km (0.096 R)
• M2: 389,702 km (0.1 R)
• M3: 863,030 km (0.111 R)
• M4: 1,783,805 km (0.098 R)
• M5: 2,118,755 km (0.073 R)
• M6: 2,387,732 km (0.097 R)
• M7: 2,883,798 km (0.071 R)
• M8: 3,547,714 km (0.116 R)
• M9: 3,943,400 km (0.088 R)
• M10: 4,839,042 km (0.082 R)
• M11: 6,456,794 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 13.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.47 AU - 1.67 AU

Year: 1334 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,572,094 km

• M1: 171,589 km (0.03 R)
• M2: 902,973 km (0.093 R)
• M3: 1,357,900 km (0.041 R)
• M4: 2,066,246 km (0.104 R)
• M5: 3,040,278 km (0.1 R)
• M6: 3,965,690 km (0.115 R)
• M7: 4,890,504 km (0.097 R)
• M8: 6,302,259 km (0.077 R)
• M9: 7,115,922 km (0.081 R)
• M10: 7,696,511 km (0.104 R)
• M11: 8,952,984 km (0.114 R)
• M12: 10,276,027 km (0.106 R)
• M13: 10,881,450 km (0.079 R)
• M14: 12,163,952 km (0.046 R)
• M15: 12,995,866 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 3

Gravity: 92.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.66 AU - 11.62 AU

Year: 23540 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,572,094 km

• M1: 37,699 km (0.082 R)
• M2: 139,126 km (0.102 R)
• M3: 285,732 km (0.075 R)
• M4: 1,182,571 km (0.092 R)
• M5: 1,503,459 km (0.087 R)
• M6: 3,202,890 km (0.085 R)
• M7: 3,658,865 km (0.056 R)
• M8: 3,985,886 km (0.083 R)
• M9: 4,191,284 km (0.101 R)
• M10: 9,678,982 km (0.098 R)
• M11: 9,801,503 km (0.118 R)
• M12: 11,084,753 km (0.114 R)
• M13: 12,117,577 km (0.088 R)
• M14: 13,746,100 km (0.068 R)
• M15: 15,598,420 km (0.12 R)
• M16: 24,218,250 km (0.101 R)
• M17: 27,634,167 km (0.076 R)
• M18: 27,881,004 km (0.098 R)
• M19: 32,991,417 km (0.109 R)
• M20: 40,569,447 km (0.081 R)
• M21: 49,409,484 km (0.101 R)
• M22: 55,833,516 km (0.051 R)
• M23: 57,021,921 km (0.032 R)
• M24: 57,823,616 km (0.065 R)
• M25: 58,632,791 km (0.11 R)
• M26: 66,478,152 km (0.053 R)
• M27: 74,516,345 km (0.066 R)
• M28: 77,659,546 km (0.089 R)
• M29: 79,388,149 km (0.183 R)
• M30: 83,692,379 km (0.056 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit