🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 9.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.72 AU - 0.86 AU

Year: 476 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,058,881 km

• M1: 119,529 km (0.12 R)
• M2: 586,274 km (0.069 R)
• M3: 1,008,439 km (0.098 R)
• M4: 1,344,286 km (0.091 R)
• M5: 1,654,552 km (0.085 R)
• M6: 2,954,109 km (0.077 R)
• M7: 3,312,396 km (0.077 R)
• M8: 3,645,700 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 12.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.77 AU - 1.19 AU

Year: 658 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,058,881 km

• M1: 156,928 km (0.077 R)
• M2: 606,320 km (0.071 R)
• M3: 1,154,297 km (0.09 R)
• M4: 1,755,082 km (0.072 R)
• M5: 2,291,839 km (0.1 R)
• M6: 2,936,905 km (0.062 R)
• M7: 3,594,837 km (0.06 R)
• M8: 4,349,109 km (0.037 R)
• M9: 4,764,393 km (0.073 R)
• M10: 5,291,127 km (0.091 R)
• M11: 5,729,598 km (0.111 R)
• M12: 6,154,307 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 12.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.21 AU - 1.29 AU

Year: 948 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,058,881 km

• M1: 157,227 km (0.057 R)
• M2: 582,235 km (0.113 R)
• M3: 1,298,210 km (0.1 R)
• M4: 1,706,463 km (0.083 R)
• M5: 2,630,828 km (0.103 R)
• M6: 4,062,929 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 14.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.69 AU - 5.11 AU

Year: 7357 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,058,881 km

• M1: 179,069 km (0.096 R)
• M2: 682,765 km (0.092 R)
• M3: 1,155,644 km (0.084 R)
• M4: 1,872,068 km (0.1 R)
• M5: 2,616,168 km (0.041 R)
• M6: 3,108,644 km (0.073 R)
• M7: 4,283,735 km (0.1 R)
• M8: 4,835,602 km (0.103 R)
• M9: 5,706,710 km (0.085 R)
• M10: 6,577,968 km (0.049 R)
• M11: 8,749,381 km (0.093 R)
• M12: 9,381,432 km (0.05 R)
• M13: 11,963,641 km (0.067 R)
• M14: 13,446,006 km (0.09 R)
• M15: 14,004,156 km (0.09 R)
• M16: 14,461,776 km (0.118 R)
• M17: 15,166,980 km (0.1 R)
• M18: 17,486,794 km (0.1 R)
• M19: 18,559,710 km (0.115 R)
• M20: 21,359,135 km (0.077 R)
• M21: 24,264,924 km (0.116 R)
• M22: 27,872,178 km (0.083 R)
• M23: 29,615,890 km (0.105 R)
• M24: 30,086,675 km (0.109 R)
• M25: 33,624,964 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 3.9

Gravity: 28.51 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.53 AU - 8.85 AU

Year: 15897 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,058,881 km

• M1: 71,209 km (0.101 R)
• M2: 333,454 km (0.108 R)
• M3: 872,156 km (0.079 R)
• M4: 1,530,685 km (0.051 R)
• M5: 3,769,268 km (0.063 R)
• M6: 4,787,281 km (0.043 R)
• M7: 5,643,729 km (0.056 R)
• M8: 5,938,287 km (0.12 R)
• M9: 6,281,615 km (0.041 R)
• M10: 7,654,474 km (0.115 R)
• M11: 8,061,081 km (0.091 R)
• M12: 8,917,230 km (0.101 R)
• M13: 9,265,943 km (0.119 R)
• M14: 9,727,602 km (0.063 R)
• M15: 11,787,415 km (0.111 R)
• M16: 12,824,427 km (0.074 R)
• M17: 14,120,543 km (0.113 R)
• M18: 14,662,536 km (0.075 R)
• M19: 17,815,760 km (0.11 R)
• M20: 20,521,686 km (0.079 R)
• M21: 20,780,491 km (0.104 R)
• M22: 23,115,265 km (0.086 R)
• M23: 31,613,770 km (0.069 R)
• M24: 33,127,700 km (0.044 R)
• M25: 37,699,860 km (0.087 R)
• M26: 40,203,381 km (0.06 R)
• M27: 41,978,658 km (0.112 R)
• M28: 49,139,759 km (0.107 R)
• M29: 50,068,911 km (0.116 R)
• M30: 52,282,361 km (0.119 R)
• M31: 53,088,395 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit