🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 13

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.22 AU - 1.6 AU

Year: 1156 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,466,518 km

• M1: 162,164 km (0.098 R)
• M2: 615,296 km (0.083 R)
• M3: 1,105,379 km (0.083 R)
• M4: 2,015,532 km (0.068 R)
• M5: 2,558,273 km (0.087 R)
• M6: 3,227,125 km (0.064 R)
• M7: 3,692,375 km (0.079 R)
• M8: 4,149,396 km (0.057 R)
• M9: 4,625,267 km (0.12 R)
• M10: 5,302,796 km (0.104 R)
• M11: 7,007,015 km (0.06 R)
• M12: 9,386,369 km (0.05 R)
• M13: 9,984,461 km (0.12 R)
• M14: 10,946,076 km (0.1 R)
• M15: 11,859,970 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 9.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.43 AU - 1.61 AU

Year: 1294 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,466,518 km

• M1: 118,332 km (0.102 R)
• M2: 441,463 km (0.037 R)
• M3: 938,278 km (0.087 R)
• M4: 1,418,337 km (0.104 R)
• M5: 1,739,075 km (0.074 R)
• M6: 2,206,868 km (0.048 R)
• M7: 2,673,164 km (0.119 R)
• M8: 3,937,865 km (0.059 R)
• M9: 4,388,454 km (0.092 R)
• M10: 5,546,042 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 13.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.91 AU - 3.05 AU

Year: 3551 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,466,518 km

• M1: 195,076 km (0.062 R)
• M2: 662,569 km (0.066 R)
• M3: 1,132,456 km (0.045 R)
• M4: 1,868,178 km (0.086 R)
• M5: 2,477,042 km (0.072 R)
• M6: 3,002,728 km (0.106 R)
• M7: 3,494,307 km (0.039 R)
• M8: 4,491,078 km (0.043 R)
• M9: 5,821,003 km (0.11 R)
• M10: 6,815,829 km (0.074 R)
• M11: 10,524,210 km (0.073 R)
• M12: 11,146,089 km (0.11 R)
• M13: 12,293,205 km (0.054 R)
• M14: 12,851,803 km (0.102 R)
• M15: 13,382,577 km (0.103 R)
• M16: 14,918,049 km (0.105 R)
• M17: 16,880,624 km (0.116 R)
• M18: 18,671,460 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 13.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.53 AU - 3.69 AU

Year: 3786 Days

Day: 8.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,466,518 km

• M1: 171,589 km (0.099 R)
• M2: 911,350 km (0.088 R)
• M3: 1,418,637 km (0.114 R)
• M4: 2,453,555 km (0.098 R)
• M5: 3,238,943 km (0.073 R)
• M6: 3,732,766 km (0.109 R)
• M7: 5,417,986 km (0.035 R)
• M8: 6,847,244 km (0.098 R)
• M9: 8,118,826 km (0.055 R)
• M10: 8,625,215 km (0.081 R)
• M11: 9,621,686 km (0.082 R)
• M12: 10,106,982 km (0.095 R)
• M13: 10,693,705 km (0.101 R)
• M14: 15,079,017 km (0.069 R)
• M15: 19,948,278 km (0.069 R)
• M16: 20,739,202 km (0.102 R)
• M17: 22,737,231 km (0.091 R)
• M18: 24,634,880 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 11.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.77 AU - 5.25 AU

Year: 6611 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,466,518 km

• M1: 150,047 km (0.098 R)
• M2: 769,382 km (0.072 R)
• M3: 1,273,975 km (0.066 R)
• M4: 1,887,626 km (0.104 R)
• M5: 3,154,271 km (0.091 R)
• M6: 3,670,982 km (0.087 R)
• M7: 5,518,665 km (0.089 R)
• M8: 6,463,675 km (0.079 R)
• M9: 7,855,983 km (0.11 R)
• M10: 10,061,205 km (0.038 R)
• M11: 11,105,099 km (0.099 R)
• M12: 13,003,346 km (0.082 R)
• M13: 15,108,936 km (0.111 R)
• M14: 15,656,464 km (0.099 R)
• M15: 18,035,220 km (0.119 R)
• M16: 18,993,544 km (0.038 R)
• M17: 19,690,221 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.9

Radius: 5.5

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.24 AU - 9.84 AU

Year: 18761 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,466,518 km

• M1: 94,695 km (0.11 R)
• M2: 271,071 km (0.083 R)
• M3: 492,027 km (0.116 R)
• M4: 787,782 km (0.109 R)
• M5: 1,308,981 km (0.069 R)
• M6: 2,310,090 km (0.057 R)
• M7: 3,382,557 km (0.092 R)
• M8: 4,752,126 km (0.098 R)
• M9: 6,378,255 km (0.086 R)
• M10: 6,886,439 km (0.088 R)
• M11: 7,253,702 km (0.071 R)
• M12: 8,388,701 km (0.116 R)
• M13: 11,620,463 km (0.114 R)
• M14: 12,141,064 km (0.12 R)
• M15: 15,320,318 km (0.11 R)
• M16: 17,397,484 km (0.064 R)
• M17: 18,464,416 km (0.117 R)
• M18: 18,777,076 km (0.041 R)
• M19: 22,100,841 km (0.113 R)
• M20: 26,582,046 km (0.088 R)
• M21: 26,781,011 km (0.109 R)
• M22: 28,304,067 km (0.089 R)
• M23: 30,315,261 km (0.09 R)
• M24: 32,193,611 km (0.11 R)
• M25: 34,148,108 km (0.106 R)
• M26: 37,288,316 km (0.073 R)
• M27: 51,005,394 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 20,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit