🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.24 AU - 1.24 AU

Year: 495 Days

Day: 26.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,529,368 km

• M1: 98,585 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.66 AU - 2.5 AU

Year: 1074 Days

Day: 40.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 14

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.04 AU - 6.7 AU

Year: 5094 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,529,368 km

• M1: 174,132 km (0.1 R)
• M2: 837,748 km (0.102 R)
• M3: 1,689,708 km (0.05 R)
• M4: 3,754,009 km (0.071 R)
• M5: 5,482,912 km (0.112 R)
• M6: 6,552,237 km (0.083 R)
• M7: 7,663,301 km (0.088 R)
• M8: 8,199,609 km (0.052 R)
• M9: 9,489,591 km (0.066 R)
• M10: 10,108,777 km (0.082 R)
• M11: 12,469,731 km (0.112 R)
• M12: 13,080,090 km (0.083 R)
• M13: 17,599,591 km (0.096 R)
• M14: 18,817,467 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.5

Radius: 7.5

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.36 AU - 13.78 AU

Year: 16923 Days

Day: 15.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,529,368 km

• M1: 137,032 km (0.114 R)
• M2: 455,825 km (0.115 R)
• M3: 1,234,332 km (0.103 R)
• M4: 2,045,601 km (0.059 R)
• M5: 2,499,332 km (0.046 R)
• M6: 2,797,779 km (0.067 R)
• M7: 3,721,995 km (0.115 R)
• M8: 6,532,490 km (0.046 R)
• M9: 7,011,951 km (0.083 R)
• M10: 7,750,965 km (0.1 R)
• M11: 7,992,266 km (0.115 R)
• M12: 8,439,265 km (0.103 R)
• M13: 9,492,284 km (0.089 R)
• M14: 10,107,580 km (0.098 R)
• M15: 10,571,483 km (0.071 R)
• M16: 10,868,585 km (0.091 R)
• M17: 12,769,674 km (0.117 R)
• M18: 13,038,950 km (0.096 R)
• M19: 15,712,115 km (0.115 R)
• M20: 16,812,407 km (0.032 R)
• M21: 21,921,324 km (0.095 R)
• M22: 24,000,435 km (0.036 R)
• M23: 28,661,157 km (0.061 R)
• M24: 29,007,177 km (0.045 R)
• M25: 30,659,036 km (0.069 R)
• M26: 35,061,253 km (0.058 R)
• M27: 35,324,695 km (0.08 R)
• M28: 38,172,739 km (0.101 R)
• M29: 39,013,629 km (0.09 R)
• M30: 43,102,288 km (0.118 R)
• M31: 46,349,759 km (0.029 R)
• M32: 46,986,447 km (0.093 R)
• M33: 53,327,303 km (0.106 R)
• M34: 56,520,469 km (0.102 R)
• M35: 60,783,260 km (0.107 R)
• M36: 61,354,575 km (0.044 R)
• M37: 62,121,862 km (0.052 R)
• M38: 66,658,866 km (0.115 R)
• M39: 67,469,836 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.7

Radius: 3.7

Gravity: 53.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.15 AU - 17.25 AU

Year: 25549 Days

Day: 19.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,529,368 km

• M1: 46,076 km (0.097 R)
• M2: 233,373 km (0.098 R)
• M3: 503,397 km (0.078 R)
• M4: 644,168 km (0.111 R)
• M5: 1,907,373 km (0.1 R)
• M6: 3,244,778 km (0.112 R)
• M7: 3,363,559 km (0.115 R)
• M8: 3,835,390 km (0.051 R)
• M9: 4,531,320 km (0.11 R)
• M10: 5,389,712 km (0.085 R)
• M11: 6,775,587 km (0.114 R)
• M12: 7,785,971 km (0.108 R)
• M13: 8,892,696 km (0.107 R)
• M14: 13,133,197 km (0.105 R)
• M15: 19,609,438 km (0.085 R)
• M16: 24,027,812 km (0.088 R)
• M17: 24,938,414 km (0.114 R)
• M18: 25,519,153 km (0.073 R)
• M19: 30,624,779 km (0.062 R)
• M20: 32,375,672 km (0.081 R)
• M21: 48,844,303 km (0.104 R)
• M22: 53,114,874 km (0.113 R)
• M23: 57,025,063 km (0.095 R)
• M24: 87,208,079 km (0.104 R)
• M25: 89,081,493 km (0.067 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 11,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit