🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 11.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,763,191 km

• M1: 145,559 km (0.038 R)
• M2: 528,529 km (0.09 R)
• M3: 1,156,840 km (0.059 R)
• M4: 1,553,275 km (0.047 R)
• M5: 1,931,458 km (0.076 R)
• M6: 2,679,747 km (0.084 R)
• M7: 3,972,272 km (0.094 R)
• M8: 4,764,543 km (0.106 R)
• M9: 5,276,167 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 11.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.75 AU - 2.97 AU

Year: 3173 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,763,191 km

• M1: 140,472 km (0.105 R)
• M2: 777,011 km (0.063 R)
• M3: 3,216,205 km (0.085 R)
• M4: 4,104,367 km (0.047 R)
• M5: 5,446,709 km (0.099 R)
• M6: 6,242,570 km (0.082 R)
• M7: 6,857,118 km (0.082 R)
• M8: 7,924,349 km (0.112 R)
• M9: 8,794,859 km (0.101 R)
• M10: 11,827,507 km (0.081 R)
• M11: 12,653,885 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 10.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.67 AU - 3.59 AU

Year: 3633 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,763,191 km

• M1: 134,339 km (0.071 R)
• M2: 605,123 km (0.12 R)
• M3: 1,104,780 km (0.054 R)
• M4: 1,460,524 km (0.086 R)
• M5: 2,309,492 km (0.118 R)
• M6: 3,702,099 km (0.06 R)
• M7: 4,298,695 km (0.065 R)
• M8: 4,745,244 km (0.118 R)
• M9: 5,803,949 km (0.108 R)
• M10: 6,610,281 km (0.074 R)
• M11: 8,383,465 km (0.116 R)
• M12: 8,824,180 km (0.037 R)
• M13: 9,380,086 km (0.095 R)
• M14: 10,743,820 km (0.079 R)
• M15: 11,113,925 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 10.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.95 AU - 3.35 AU

Year: 3668 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,763,191 km

• M1: 134,339 km (0.105 R)
• M2: 1,322,146 km (0.1 R)
• M3: 3,352,488 km (0.095 R)
• M4: 3,991,570 km (0.084 R)
• M5: 4,855,049 km (0.094 R)
• M6: 6,128,875 km (0.114 R)
• M7: 8,287,572 km (0.07 R)
• M8: 10,802,013 km (0.101 R)
• M9: 11,203,983 km (0.094 R)
• M10: 12,430,237 km (0.118 R)
• M11: 14,172,902 km (0.103 R)
• M12: 14,788,348 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.8

Radius: 7.9

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.65 AU - 7.89 AU

Year: 14208 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,763,191 km

• M1: 115,490 km (0.06 R)
• M2: 586,424 km (0.114 R)
• M3: 888,462 km (0.086 R)
• M4: 2,461,184 km (0.101 R)
• M5: 2,720,288 km (0.063 R)
• M6: 3,502,385 km (0.054 R)
• M7: 4,552,413 km (0.1 R)
• M8: 4,911,597 km (0.111 R)
• M9: 6,582,157 km (0.083 R)
• M10: 9,356,150 km (0.085 R)
• M11: 12,258,199 km (0.071 R)
• M12: 13,279,803 km (0.064 R)
• M13: 13,677,285 km (0.073 R)
• M14: 15,274,691 km (0.072 R)
• M15: 18,505,855 km (0.058 R)
• M16: 25,258,852 km (0.074 R)
• M17: 33,367,805 km (0.063 R)
• M18: 37,806,673 km (0.052 R)
• M19: 39,143,629 km (0.116 R)
• M20: 45,702,000 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.8

Radius: 6.1

Gravity: 25.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.24 AU - 9.4 AU

Year: 15743 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,763,191 km

• M1: 75,846 km (0.108 R)
• M2: 368,011 km (0.082 R)
• M3: 749,037 km (0.091 R)
• M4: 2,077,914 km (0.074 R)
• M5: 2,502,623 km (0.092 R)
• M6: 3,219,047 km (0.11 R)
• M7: 6,832,883 km (0.042 R)
• M8: 7,431,424 km (0.098 R)
• M9: 10,714,648 km (0.091 R)
• M10: 11,521,430 km (0.105 R)
• M11: 23,747,316 km (0.108 R)
• M12: 25,545,632 km (0.094 R)
• M13: 29,890,253 km (0.077 R)
• M14: 39,860,801 km (0.068 R)
• M15: 41,637,575 km (0.113 R)
• M16: 51,491,138 km (0.108 R)
• M17: 53,064,908 km (0.091 R)
• M18: 58,731,226 km (0.062 R)
• M19: 62,199,503 km (0.072 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: 383 - 19,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit