🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.52 AU - 0.74 AU

Year: 183 Days

Day: 44.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.61 AU - 5.61 AU

Year: 3615 Days

Day: 45.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,273,437 km

• M1: 716,873 km (0.086 R)
• M2: 1,152,951 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 8.1

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.64 AU - 13.2 AU

Year: 14096 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,273,437 km

• M1: 101,278 km (0.064 R)
• M2: 515,365 km (0.076 R)
• M3: 932,444 km (0.104 R)
• M4: 1,694,944 km (0.09 R)
• M5: 2,226,166 km (0.045 R)
• M6: 2,511,299 km (0.104 R)
• M7: 3,542,478 km (0.101 R)
• M8: 4,266,232 km (0.098 R)
• M9: 5,020,953 km (0.108 R)
• M10: 5,447,158 km (0.079 R)
• M11: 7,071,043 km (0.037 R)
• M12: 7,950,080 km (0.063 R)
• M13: 11,187,677 km (0.102 R)
• M14: 13,464,856 km (0.081 R)
• M15: 16,034,498 km (0.093 R)
• M16: 17,693,987 km (0.094 R)
• M17: 18,297,016 km (0.115 R)
• M18: 20,107,599 km (0.031 R)
• M19: 21,182,161 km (0.092 R)
• M20: 24,356,927 km (0.119 R)
• M21: 25,864,724 km (0.057 R)
• M22: 27,835,676 km (0.107 R)
• M23: 33,653,537 km (0.102 R)
• M24: 34,813,070 km (0.077 R)
• M25: 40,621,656 km (0.085 R)
• M26: 41,538,691 km (0.105 R)
• M27: 42,469,340 km (0.091 R)
• M28: 44,648,681 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.8

Radius: 6.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 18.81 AU - 20.45 AU

Year: 31767 Days

Day: 16.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,273,437 km

• M1: 87,664 km (0.073 R)
• M2: 593,006 km (0.112 R)
• M3: 1,022,950 km (0.086 R)
• M4: 1,301,202 km (0.104 R)
• M5: 2,665,984 km (0.087 R)
• M6: 4,506,935 km (0.111 R)
• M7: 4,990,585 km (0.059 R)
• M8: 5,616,054 km (0.107 R)
• M9: 6,410,269 km (0.038 R)
• M10: 12,438,315 km (0.106 R)
• M11: 15,718,547 km (0.07 R)
• M12: 21,165,256 km (0.053 R)
• M13: 25,889,856 km (0.08 R)
• M14: 26,912,358 km (0.057 R)
• M15: 27,749,507 km (0.086 R)
• M16: 34,712,690 km (0.105 R)
• M17: 39,994,991 km (0.095 R)
• M18: 42,474,276 km (0.086 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: 292 - 17,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit