🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.65 AU - 1.07 AU

Year: 341 Days

Day: 22.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,407,587 km

• M1: 91,404 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.01 AU - 1.03 AU

Year: 440 Days

Day: 47.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.9 AU - 2.84 AU

Year: 1560 Days

Day: 42.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,407,587 km

• M1: 76,145 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.18 AU - 3.38 AU

Year: 1982 Days

Day: 5.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,407,587 km

• M1: 145,559 km (0.105 R)
• M2: 600,785 km (0.102 R)
• M3: 1,168,359 km (0.084 R)
• M4: 2,067,293 km (0.056 R)
• M5: 3,180,900 km (0.119 R)
• M6: 5,073,462 km (0.104 R)
• M7: 6,338,761 km (0.081 R)
• M8: 9,312,168 km (0.104 R)
• M9: 12,813,357 km (0.113 R)
• M10: 14,349,577 km (0.095 R)
• M11: 17,006,436 km (0.105 R)
• M12: 17,418,578 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 10.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.38 AU - 6.66 AU

Year: 5544 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,407,587 km

• M1: 133,591 km (0.049 R)
• M2: 521,797 km (0.074 R)
• M3: 2,151,965 km (0.049 R)
• M4: 2,625,742 km (0.108 R)
• M5: 3,564,917 km (0.086 R)
• M6: 4,649,352 km (0.107 R)
• M7: 5,048,330 km (0.096 R)
• M8: 6,095,216 km (0.101 R)
• M9: 7,106,796 km (0.071 R)
• M10: 7,457,903 km (0.1 R)
• M11: 9,184,112 km (0.066 R)
• M12: 13,015,464 km (0.073 R)
• M13: 16,192,174 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.8

Radius: 3.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 10.83 AU - 15.87 AU

Year: 20852 Days

Day: 22.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,407,587 km

• M1: 47,423 km (0.092 R)
• M2: 1,241,662 km (0.116 R)
• M3: 1,394,551 km (0.089 R)
• M4: 3,947,439 km (0.05 R)
• M5: 4,999,710 km (0.081 R)
• M6: 7,082,711 km (0.034 R)
• M7: 8,692,683 km (0.089 R)
• M8: 9,998,972 km (0.063 R)
• M9: 11,518,737 km (0.059 R)
• M10: 12,012,260 km (0.076 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: 289 - 15,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit