🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.95 AU - 1.01 AU

Year: 351 Days

Day: 20 Hours

Environment

Temp: 66 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.01 AU - 1.37 AU

Year: 469 Days

Day: 42.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,992,239 km

• M1: 37,549 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.88 AU - 3.2 AU

Year: 1917 Days

Day: 39.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.55 AU - 4.39 AU

Year: 2861 Days

Day: 12.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 8.3

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.11 AU - 5.91 AU

Year: 4678 Days

Day: 8.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,992,239 km

• M1: 103,372 km (0.051 R)
• M2: 424,260 km (0.102 R)
• M3: 767,587 km (0.113 R)
• M4: 1,028,635 km (0.119 R)
• M5: 1,418,038 km (0.076 R)
• M6: 1,726,060 km (0.099 R)
• M7: 2,078,812 km (0.104 R)
• M8: 2,428,572 km (0.09 R)
• M9: 2,949,472 km (0.084 R)
• M10: 3,226,676 km (0.095 R)
• M11: 3,742,789 km (0.086 R)
• M12: 4,092,399 km (0.094 R)
• M13: 4,489,432 km (0.11 R)
• M14: 6,022,212 km (0.084 R)
• M15: 6,308,093 km (0.025 R)
• M16: 6,770,800 km (0.058 R)
• M17: 7,543,323 km (0.118 R)
• M18: 7,913,428 km (0.085 R)
• M19: 9,644,874 km (0.064 R)
• M20: 11,182,142 km (0.089 R)
• M21: 11,517,839 km (0.104 R)
• M22: 13,784,397 km (0.087 R)
• M23: 15,255,093 km (0.117 R)
• M24: 15,608,743 km (0.086 R)
• M25: 16,578,885 km (0.073 R)
• M26: 17,015,711 km (0.113 R)
• M27: 18,438,686 km (0.119 R)
• M28: 23,104,643 km (0.105 R)
• M29: 30,971,397 km (0.08 R)
• M30: 31,634,115 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 3.5

Gravity: 23.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 12.07 AU - 15.33 AU

Year: 18339 Days

Day: 16.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,992,239 km

• M1: 43,533 km (0.059 R)
• M2: 162,014 km (0.099 R)
• M3: 587,172 km (0.097 R)
• M4: 1,093,710 km (0.114 R)
• M5: 1,574,218 km (0.111 R)
• M6: 1,895,555 km (0.107 R)
• M7: 2,017,776 km (0.103 R)
• M8: 2,163,933 km (0.106 R)
• M9: 2,754,097 km (0.025 R)
• M10: 3,122,257 km (0.112 R)
• M11: 3,680,706 km (0.099 R)
• M12: 3,871,593 km (0.07 R)
• M13: 4,423,160 km (0.065 R)
• M14: 5,025,441 km (0.118 R)
• M15: 6,198,289 km (0.11 R)
• M16: 7,326,855 km (0.104 R)
• M17: 9,166,909 km (0.089 R)
• M18: 12,109,050 km (0.117 R)
• M19: 12,653,736 km (0.107 R)
• M20: 13,025,786 km (0.109 R)
• M21: 16,488,229 km (0.098 R)
• M22: 19,929,129 km (0.053 R)
• M23: 20,263,780 km (0.077 R)
• M24: 20,772,861 km (0.041 R)
• M25: 21,552,266 km (0.051 R)
• M26: 23,169,269 km (0.09 R)
• M27: 24,291,104 km (0.104 R)
• M28: 26,946,466 km (0.11 R)
• M29: 29,898,032 km (0.116 R)
• M30: 30,336,503 km (0.113 R)
• M31: 32,825,214 km (0.095 R)
• M32: 40,430,321 km (0.081 R)
• M33: 41,236,204 km (0.117 R)
• M34: 41,915,977 km (0.106 R)
• M35: 44,995,599 km (0.107 R)
• M36: 47,624,931 km (0.086 R)
• M37: 49,128,988 km (0.056 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 17,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit