🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 14.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.97 AU - 1.53 AU

Year: 965 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,256,586 km

• M1: 182,809 km (0.062 R)
• M2: 782,696 km (0.107 R)
• M3: 1,457,831 km (0.12 R)
• M4: 1,923,380 km (0.093 R)
• M5: 2,956,353 km (0.087 R)
• M6: 3,533,053 km (0.105 R)
• M7: 4,068,464 km (0.116 R)
• M8: 4,753,472 km (0.082 R)
• M9: 6,777,532 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 14.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.52 AU - 2.04 AU

Year: 1639 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,256,586 km

• M1: 176,525 km (0.083 R)
• M2: 670,049 km (0.057 R)
• M3: 1,710,203 km (0.117 R)
• M4: 3,521,235 km (0.115 R)
• M5: 4,263,839 km (0.112 R)
• M6: 4,758,259 km (0.104 R)
• M7: 7,259,685 km (0.099 R)
• M8: 8,665,457 km (0.098 R)
• M9: 9,372,456 km (0.045 R)
• M10: 10,310,136 km (0.045 R)
• M11: 10,969,413 km (0.071 R)
• M12: 11,412,822 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 8.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.46 AU - 4.7 AU

Year: 5689 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,256,586 km

• M1: 106,962 km (0.097 R)
• M2: 517,758 km (0.116 R)
• M3: 845,378 km (0.117 R)
• M4: 1,175,839 km (0.076 R)
• M5: 1,452,296 km (0.097 R)
• M6: 1,793,678 km (0.071 R)
• M7: 2,955,605 km (0.101 R)
• M8: 4,417,775 km (0.109 R)
• M9: 5,612,763 km (0.101 R)
• M10: 7,064,311 km (0.07 R)
• M11: 8,626,561 km (0.113 R)
• M12: 9,162,870 km (0.099 R)
• M13: 10,060,158 km (0.111 R)
• M14: 10,512,392 km (0.101 R)
• M15: 11,721,741 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 6.4

Gravity: 17.81 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.77 AU - 10.99 AU

Year: 19830 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,256,586 km

• M1: 87,664 km (0.119 R)
• M2: 378,333 km (0.12 R)
• M3: 846,574 km (0.093 R)
• M4: 1,242,560 km (0.071 R)
• M5: 1,499,569 km (0.118 R)
• M6: 2,753,498 km (0.086 R)
• M7: 4,281,042 km (0.074 R)
• M8: 4,518,304 km (0.039 R)
• M9: 5,321,196 km (0.079 R)
• M10: 6,834,828 km (0.083 R)
• M11: 7,301,573 km (0.091 R)
• M12: 7,690,079 km (0.097 R)
• M13: 9,048,726 km (0.037 R)
• M14: 9,271,029 km (0.114 R)
• M15: 10,257,028 km (0.103 R)
• M16: 13,273,370 km (0.119 R)
• M17: 19,103,050 km (0.113 R)
• M18: 19,561,866 km (0.119 R)
• M19: 20,692,826 km (0.103 R)
• M20: 21,372,300 km (0.09 R)
• M21: 24,994,513 km (0.042 R)
• M22: 25,654,090 km (0.036 R)
• M23: 27,585,548 km (0.1 R)
• M24: 29,005,980 km (0.078 R)
• M25: 30,350,266 km (0.099 R)
• M26: 37,698,963 km (0.05 R)
• M27: 48,486,764 km (0.07 R)
• M28: 70,299,331 km (0.03 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 11,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit