🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 13.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.69 AU - 1.07 AU

Year: 533 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,887,973 km

• M1: 169,195 km (0.082 R)
• M2: 628,161 km (0.112 R)
• M3: 1,361,640 km (0.102 R)
• M4: 1,927,120 km (0.113 R)
• M5: 2,389,377 km (0.078 R)
• M6: 3,187,332 km (0.092 R)
• M7: 3,622,812 km (0.088 R)
• M8: 5,107,720 km (0.12 R)
• M9: 6,102,396 km (0.105 R)
• M10: 6,904,091 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 10.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.71 AU - 4.15 AU

Year: 5030 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,887,973 km

• M1: 135,685 km (0.116 R)
• M2: 660,774 km (0.082 R)
• M3: 1,855,762 km (0.115 R)
• M4: 2,443,980 km (0.111 R)
• M5: 6,177,794 km (0.118 R)
• M6: 9,216,575 km (0.087 R)
• M7: 9,860,145 km (0.113 R)
• M8: 11,509,013 km (0.099 R)
• M9: 11,972,018 km (0.069 R)
• M10: 12,592,251 km (0.051 R)
• M11: 14,053,374 km (0.075 R)
• M12: 14,743,917 km (0.095 R)
• M13: 18,477,431 km (0.088 R)
• M14: 19,960,545 km (0.101 R)
• M15: 24,125,499 km (0.034 R)
• M16: 24,961,452 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 8.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.42 AU - 4.76 AU

Year: 5341 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,887,973 km

• M1: 114,442 km (0.069 R)
• M2: 408,253 km (0.078 R)
• M3: 971,339 km (0.108 R)
• M4: 1,659,489 km (0.092 R)
• M5: 1,982,621 km (0.116 R)
• M6: 3,171,624 km (0.096 R)
• M7: 4,761,251 km (0.082 R)
• M8: 5,632,360 km (0.11 R)
• M9: 11,922,352 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.7

Radius: 6.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.54 AU - 9.58 AU

Year: 17608 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,887,973 km

• M1: 82,129 km (0.085 R)
• M2: 447,896 km (0.113 R)
• M3: 855,849 km (0.106 R)
• M4: 1,157,439 km (0.107 R)
• M5: 3,028,908 km (0.105 R)
• M6: 3,435,964 km (0.081 R)
• M7: 4,385,761 km (0.094 R)
• M8: 4,627,810 km (0.06 R)
• M9: 7,226,325 km (0.076 R)
• M10: 7,450,722 km (0.089 R)
• M11: 7,835,039 km (0.116 R)
• M12: 14,459,083 km (0.078 R)
• M13: 24,402,554 km (0.118 R)
• M14: 25,078,886 km (0.074 R)
• M15: 25,421,615 km (0.098 R)
• M16: 25,680,868 km (0.101 R)
• M17: 33,363,168 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 18,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit