🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.6 AU - 0.64 AU

Year: 174 Days

Day: 15 Hours

Environment

Temp: 245 °C

Axial Tilt: 110.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,892,844 km

• M1: 53,257 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 213 Days

Day: 30.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,892,844 km

• M1: 167,550 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.7 AU - 1.1 AU

Year: 304 Days

Day: 13.2 Hours

Environment

Temp: 88 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,892,844 km

• M1: 309,518 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.44 AU - 1.64 AU

Year: 681 Days

Day: 34.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.7 AU - 2.74 AU

Year: 1179 Days

Day: 42.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.3

Radius: 6.2

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 17.34 AU - 20.02 AU

Year: 28778 Days

Day: 19.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,892,844 km

• M1: 77,342 km (0.101 R)
• M2: 417,677 km (0.116 R)
• M3: 749,635 km (0.081 R)
• M4: 1,219,522 km (0.05 R)
• M5: 2,249,354 km (0.048 R)
• M6: 2,728,067 km (0.111 R)
• M7: 3,190,324 km (0.1 R)
• M8: 6,713,204 km (0.056 R)
• M9: 6,939,845 km (0.059 R)
• M10: 7,408,685 km (0.102 R)
• M11: 8,619,979 km (0.041 R)
• M12: 8,833,904 km (0.09 R)
• M13: 10,553,980 km (0.097 R)
• M14: 11,047,952 km (0.088 R)
• M15: 12,215,414 km (0.101 R)
• M16: 14,340,452 km (0.086 R)
• M17: 15,255,542 km (0.112 R)
• M18: 16,535,352 km (0.069 R)
• M19: 19,766,067 km (0.067 R)
• M20: 20,421,157 km (0.111 R)
• M21: 20,898,075 km (0.107 R)
• M22: 24,552,601 km (0.075 R)
• M23: 27,327,193 km (0.103 R)
• M24: 31,552,884 km (0.059 R)
• M25: 32,061,816 km (0.12 R)
• M26: 35,917,402 km (0.109 R)
• M27: 37,032,953 km (0.116 R)
• M28: 38,459,668 km (0.117 R)
• M29: 38,749,439 km (0.093 R)
• M30: 40,518,134 km (0.04 R)
• M31: 44,533,641 km (0.036 R)
• M32: 47,132,156 km (0.048 R)
• M33: 48,637,409 km (0.1 R)
• M34: 55,901,284 km (0.105 R)
• M35: 57,587,102 km (0.097 R)
• M36: 58,156,621 km (0.091 R)
• M37: 59,113,898 km (0.073 R)
• M38: 71,652,892 km (0.114 R)
• M39: 72,532,079 km (0.041 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit