🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.48 AU - 0.58 AU

Year: 245 Days

Day: 18 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.47 AU - 0.69 AU

Year: 281 Days

Day: 40.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 57.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,264,121 km

• M1: 52,958 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 11

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.8 AU - 1 AU

Year: 543 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,264,121 km

• M1: 137,032 km (0.069 R)
• M2: 534,812 km (0.1 R)
• M3: 905,666 km (0.071 R)
• M4: 1,247,945 km (0.112 R)
• M5: 1,808,489 km (0.073 R)
• M6: 2,238,732 km (0.092 R)
• M7: 2,681,841 km (0.095 R)
• M8: 3,037,286 km (0.082 R)
• M9: 3,437,460 km (0.057 R)
• M10: 3,816,391 km (0.098 R)
• M11: 4,740,009 km (0.119 R)
• M12: 5,440,426 km (0.058 R)
• M13: 5,825,341 km (0.095 R)
• M14: 6,527,404 km (0.103 R)
• M15: 7,068,948 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.4

Radius: 7.7

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.72 AU - 9.74 AU

Year: 16400 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,264,121 km

• M1: 95,743 km (0.049 R)
• M2: 474,674 km (0.108 R)
• M3: 716,873 km (0.036 R)
• M4: 1,488,499 km (0.107 R)
• M5: 1,736,682 km (0.104 R)
• M6: 2,318,019 km (0.063 R)
• M7: 3,314,191 km (0.049 R)
• M8: 3,742,191 km (0.097 R)
• M9: 6,630,776 km (0.102 R)
• M10: 7,357,971 km (0.047 R)
• M11: 7,987,030 km (0.091 R)
• M12: 8,599,035 km (0.111 R)
• M13: 9,744,656 km (0.116 R)
• M14: 11,237,343 km (0.119 R)
• M15: 11,875,079 km (0.118 R)
• M16: 12,808,121 km (0.115 R)
• M17: 19,276,434 km (0.107 R)
• M18: 22,003,752 km (0.118 R)
• M19: 26,505,452 km (0.116 R)
• M20: 30,472,338 km (0.09 R)
• M21: 30,717,380 km (0.117 R)
• M22: 34,551,573 km (0.098 R)
• M23: 35,761,221 km (0.105 R)
• M24: 36,859,868 km (0.061 R)
• M25: 39,850,928 km (0.113 R)
• M26: 41,480,498 km (0.032 R)
• M27: 44,713,906 km (0.055 R)
• M28: 49,281,129 km (0.076 R)
• M29: 51,157,385 km (0.095 R)
• M30: 54,509,425 km (0.113 R)
• M31: 55,597,600 km (0.096 R)
• M32: 58,193,123 km (0.059 R)
• M33: 61,257,037 km (0.079 R)
• M34: 61,647,338 km (0.093 R)
• M35: 70,233,807 km (0.102 R)
• M36: 71,738,313 km (0.097 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: 257 - 15,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit