🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.99 AU - 1.21 AU

Year: 428 Days

Day: 38.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.31 AU - 1.35 AU

Year: 569 Days

Day: 23.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 8.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.4 AU - 7.64 AU

Year: 6898 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,655,564 km

• M1: 104,419 km (0.107 R)
• M2: 1,491,042 km (0.083 R)
• M3: 2,156,005 km (0.096 R)
• M4: 5,198,676 km (0.097 R)
• M5: 7,173,367 km (0.116 R)
• M6: 8,048,216 km (0.12 R)
• M7: 11,148,183 km (0.054 R)
• M8: 12,962,356 km (0.118 R)
• M9: 14,256,677 km (0.1 R)
• M10: 15,267,211 km (0.094 R)
• M11: 16,071,598 km (0.114 R)
• M12: 16,644,857 km (0.092 R)
• M13: 17,697,428 km (0.114 R)
• M14: 18,103,437 km (0.113 R)
• M15: 20,448,383 km (0.057 R)
• M16: 25,217,713 km (0.066 R)
• M17: 31,660,445 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 12.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.25 AU - 8.47 AU

Year: 8172 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,655,564 km

• M1: 150,495 km (0.05 R)
• M2: 582,833 km (0.118 R)
• M3: 1,019,210 km (0.107 R)
• M4: 1,554,172 km (0.069 R)
• M5: 2,523,866 km (0.094 R)
• M6: 2,944,984 km (0.084 R)
• M7: 3,456,309 km (0.109 R)
• M8: 4,296,750 km (0.107 R)
• M9: 5,869,024 km (0.109 R)
• M10: 6,751,651 km (0.109 R)
• M11: 7,424,243 km (0.119 R)
• M12: 11,478,495 km (0.104 R)
• M13: 13,285,787 km (0.09 R)
• M14: 13,724,109 km (0.107 R)
• M15: 14,172,154 km (0.12 R)
• M16: 18,861,449 km (0.083 R)
• M17: 19,345,847 km (0.108 R)
• M18: 19,838,622 km (0.092 R)
• M19: 21,367,363 km (0.069 R)
• M20: 22,583,893 km (0.101 R)
• M21: 23,526,060 km (0.1 R)
• M22: 28,725,634 km (0.093 R)
• M23: 29,831,611 km (0.035 R)
• M24: 33,019,541 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.5

Radius: 5.6

Gravity: 24.47 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 11.8 AU - 12.64 AU

Year: 15842 Days

Day: 18.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,655,564 km

• M1: 74,949 km (0.077 R)
• M2: 267,331 km (0.096 R)
• M3: 547,977 km (0.078 R)
• M4: 958,025 km (0.066 R)
• M5: 1,216,829 km (0.034 R)
• M6: 1,414,747 km (0.105 R)
• M7: 2,389,676 km (0.088 R)
• M8: 2,679,447 km (0.049 R)
• M9: 3,778,244 km (0.114 R)
• M10: 4,266,681 km (0.047 R)
• M11: 4,830,665 km (0.112 R)
• M12: 6,187,368 km (0.056 R)
• M13: 7,041,871 km (0.033 R)
• M14: 8,467,239 km (0.073 R)
• M15: 8,877,736 km (0.108 R)
• M16: 9,518,015 km (0.101 R)
• M17: 11,375,721 km (0.07 R)
• M18: 11,749,118 km (0.048 R)
• M19: 12,586,118 km (0.088 R)
• M20: 14,378,151 km (0.06 R)
• M21: 17,870,064 km (0.106 R)
• M22: 21,040,791 km (0.115 R)
• M23: 23,954,060 km (0.114 R)
• M24: 28,468,624 km (0.116 R)
• M25: 30,091,013 km (0.091 R)
• M26: 30,446,458 km (0.084 R)
• M27: 30,924,872 km (0.103 R)
• M28: 35,722,176 km (0.072 R)
• M29: 38,435,732 km (0.113 R)
• M30: 42,016,806 km (0.061 R)
• M31: 45,658,168 km (0.087 R)
• M32: 46,917,034 km (0.086 R)
• M33: 47,555,218 km (0.039 R)
• M34: 48,848,791 km (0.056 R)
• M35: 49,834,192 km (0.039 R)
• M36: 51,337,052 km (0.109 R)
• M37: 53,908,490 km (0.106 R)
• M38: 57,105,995 km (0.046 R)
• M39: 64,071,272 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 19,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit