🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.58 AU - 0.9 AU

Year: 225 Days

Day: 27.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.7 AU - 1.12 AU

Year: 307 Days

Day: 36.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 119,850,658 km

• M1: 32,612 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.12 AU - 1.2 AU

Year: 441 Days

Day: 17.8 Hours

Environment

Temp: 38 °C

Axial Tilt: 41.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 119,850,658 km

• M1: 659,128 km (0.105 R)

Asteroid Belt

Center: 5.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 9.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.94 AU - 12.7 AU

Year: 11706 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 119,850,658 km

• M1: 120,576 km (0.092 R)
• M2: 588,069 km (0.055 R)
• M3: 921,224 km (0.119 R)
• M4: 1,531,284 km (0.108 R)
• M5: 1,831,228 km (0.099 R)
• M6: 3,475,458 km (0.085 R)
• M7: 4,025,978 km (0.079 R)
• M8: 4,523,690 km (0.098 R)
• M9: 4,830,366 km (0.114 R)
• M10: 5,516,721 km (0.099 R)
• M11: 6,266,804 km (0.071 R)
• M12: 6,613,423 km (0.051 R)
• M13: 7,731,068 km (0.108 R)
• M14: 8,376,284 km (0.105 R)
• M15: 10,194,048 km (0.112 R)
• M16: 11,525,918 km (0.076 R)
• M17: 12,584,921 km (0.071 R)
• M18: 13,194,233 km (0.116 R)
• M19: 14,352,420 km (0.072 R)
• M20: 15,017,681 km (0.056 R)
• M21: 16,737,758 km (0.101 R)
• M22: 18,233,288 km (0.117 R)
• M23: 18,656,201 km (0.098 R)
• M24: 20,338,279 km (0.115 R)
• M25: 21,255,015 km (0.069 R)
• M26: 23,417,901 km (0.092 R)
• M27: 28,647,095 km (0.078 R)
• M28: 30,582,742 km (0.088 R)
• M29: 33,753,020 km (0.045 R)
• M30: 38,044,384 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.2

Radius: 5.8

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 16.61 AU - 17.89 AU

Year: 25298 Days

Day: 15.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 119,850,658 km

• M1: 148,551 km (0.12 R)
• M2: 377,735 km (0.096 R)
• M3: 767,138 km (0.111 R)
• M4: 1,379,292 km (0.067 R)
• M5: 1,588,131 km (0.076 R)
• M6: 3,200,048 km (0.119 R)
• M7: 3,999,948 km (0.055 R)
• M8: 4,502,447 km (0.077 R)
• M9: 6,077,862 km (0.063 R)
• M10: 6,889,281 km (0.097 R)
• M11: 10,863,797 km (0.036 R)
• M12: 13,097,593 km (0.106 R)
• M13: 18,352,667 km (0.063 R)
• M14: 20,755,957 km (0.058 R)
• M15: 23,474,299 km (0.088 R)
• M16: 24,160,355 km (0.119 R)
• M17: 27,792,143 km (0.043 R)
• M18: 34,625,923 km (0.103 R)
• M19: 40,348,191 km (0.074 R)
• M20: 42,499,558 km (0.086 R)
• M21: 51,295,464 km (0.105 R)
• M22: 56,217,683 km (0.074 R)
• M23: 62,310,804 km (0.045 R)
• M24: 63,184,306 km (0.049 R)
• M25: 66,305,965 km (0.069 R)
• M26: 74,067,551 km (0.107 R)
• M27: 75,540,941 km (0.058 R)
• M28: 76,284,891 km (0.103 R)
• M29: 81,890,323 km (0.109 R)
• M30: 85,596,760 km (0.118 R)
• M31: 94,198,488 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.6

Radius: 3.9

Gravity: 64.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 16.6 AU - 24.64 AU

Year: 33062 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 119,850,658 km

• M1: 48,919 km (0.115 R)
• M2: 212,279 km (0.076 R)
• M3: 1,898,098 km (0.06 R)
• M4: 4,011,168 km (0.081 R)
• M5: 7,209,869 km (0.055 R)
• M6: 9,115,896 km (0.069 R)
• M7: 9,977,879 km (0.102 R)
• M8: 10,820,564 km (0.065 R)
• M9: 12,486,785 km (0.112 R)
• M10: 21,427,651 km (0.092 R)
• M11: 35,121,242 km (0.084 R)
• M12: 36,404,193 km (0.111 R)
• M13: 37,386,752 km (0.066 R)
• M14: 43,472,842 km (0.108 R)
• M15: 57,559,426 km (0.074 R)
• M16: 63,952,342 km (0.049 R)
• M17: 64,902,587 km (0.109 R)
• M18: 72,331,318 km (0.063 R)
• M19: 81,690,311 km (0.105 R)
• M20: 85,936,796 km (0.032 R)
• M21: 108,041,677 km (0.098 R)
• M22: 112,805,322 km (0.052 R)
• M23: 119,850,633 km (0.119 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 14,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit