🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.65 AU - 2.17 AU

Year: 974 Days

Day: 20.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 103 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.92 AU - 2.88 AU

Year: 1372 Days

Day: 39.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 8.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.49 AU - 6.15 AU

Year: 5180 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,243,110 km

• M1: 112,198 km (0.096 R)
• M2: 883,076 km (0.109 R)
• M3: 1,577,659 km (0.114 R)
• M4: 1,865,635 km (0.098 R)
• M5: 2,305,154 km (0.088 R)
• M6: 3,296,987 km (0.093 R)
• M7: 3,711,374 km (0.1 R)
• M8: 4,116,036 km (0.111 R)
• M9: 4,526,233 km (0.106 R)
• M10: 4,839,342 km (0.084 R)
• M11: 5,115,499 km (0.119 R)
• M12: 6,357,311 km (0.116 R)
• M13: 7,520,285 km (0.088 R)
• M14: 9,737,774 km (0.061 R)
• M15: 10,138,996 km (0.108 R)
• M16: 11,675,067 km (0.12 R)
• M17: 12,128,049 km (0.115 R)
• M18: 12,592,550 km (0.102 R)
• M19: 12,924,807 km (0.082 R)
• M20: 13,311,667 km (0.081 R)
• M21: 13,656,490 km (0.113 R)
• M22: 14,261,464 km (0.048 R)
• M23: 15,797,386 km (0.04 R)
• M24: 16,407,745 km (0.049 R)
• M25: 17,381,926 km (0.107 R)
• M26: 19,889,635 km (0.045 R)
• M27: 22,007,193 km (0.113 R)
• M28: 23,690,917 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.2

Radius: 4.9

Gravity: 41.53 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 12.57 AU - 14.75 AU

Year: 18627 Days

Day: 18.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,243,110 km

• M1: 60,886 km (0.112 R)
• M2: 524,490 km (0.109 R)
• M3: 1,022,202 km (0.095 R)
• M4: 1,573,022 km (0.115 R)
• M5: 1,826,590 km (0.047 R)
• M6: 2,678,849 km (0.072 R)
• M7: 5,203,164 km (0.083 R)
• M8: 5,360,092 km (0.05 R)
• M9: 7,205,681 km (0.075 R)
• M10: 9,848,477 km (0.088 R)
• M11: 13,364,475 km (0.118 R)
• M12: 13,585,431 km (0.116 R)
• M13: 14,570,833 km (0.099 R)
• M14: 15,684,589 km (0.066 R)
• M15: 16,939,416 km (0.115 R)
• M16: 17,812,319 km (0.076 R)
• M17: 21,004,289 km (0.112 R)
• M18: 24,229,021 km (0.098 R)
• M19: 29,103,518 km (0.106 R)
• M20: 32,692,670 km (0.069 R)
• M21: 33,363,168 km (0.046 R)
• M22: 33,906,058 km (0.092 R)
• M23: 34,317,153 km (0.09 R)
• M24: 35,570,335 km (0.086 R)
• M25: 36,279,578 km (0.1 R)
• M26: 37,726,189 km (0.098 R)
• M27: 45,373,483 km (0.077 R)
• M28: 47,906,025 km (0.109 R)
• M29: 52,151,314 km (0.032 R)
• M30: 52,333,374 km (0.112 R)
• M31: 59,971,692 km (0.09 R)
• M32: 60,372,016 km (0.113 R)
• M33: 63,017,505 km (0.113 R)
• M34: 65,739,139 km (0.036 R)
• M35: 67,021,342 km (0.079 R)
• M36: 68,538,264 km (0.098 R)
• M37: 72,090,915 km (0.112 R)
• M38: 72,770,538 km (0.115 R)
• M39: 78,839,574 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 19,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit