🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.46 AU - 0.56 AU

Year: 138 Days

Day: 35.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.14 AU - 3.12 AU

Year: 1615 Days

Day: 33.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,528,895 km

• M1: 46,375 km (0.115 R)
• M2: 172,486 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 11.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.07 AU - 9.23 AU

Year: 8812 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,528,895 km

• M1: 141,819 km (0.119 R)
• M2: 522,994 km (0.119 R)
• M3: 1,160,580 km (0.089 R)
• M4: 1,598,004 km (0.103 R)
• M5: 2,034,830 km (0.066 R)
• M6: 2,395,361 km (0.118 R)
• M7: 3,191,371 km (0.072 R)
• M8: 4,000,845 km (0.117 R)
• M9: 4,645,313 km (0.12 R)
• M10: 6,439,740 km (0.079 R)
• M11: 6,810,144 km (0.077 R)
• M12: 9,224,504 km (0.114 R)
• M13: 10,225,463 km (0.095 R)
• M14: 11,033,441 km (0.12 R)
• M15: 11,929,533 km (0.106 R)
• M16: 13,968,252 km (0.114 R)
• M17: 14,749,752 km (0.108 R)
• M18: 20,656,923 km (0.062 R)
• M19: 22,225,606 km (0.112 R)
• M20: 23,799,076 km (0.075 R)
• M21: 24,989,128 km (0.116 R)
• M22: 25,445,551 km (0.101 R)
• M23: 25,907,509 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.8

Radius: 5.5

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 13.47 AU - 15.25 AU

Year: 20610 Days

Day: 17.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,528,895 km

• M1: 100,530 km (0.114 R)
• M2: 785,090 km (0.113 R)
• M3: 1,700,928 km (0.09 R)
• M4: 2,508,457 km (0.117 R)
• M5: 5,254,326 km (0.063 R)
• M6: 5,541,554 km (0.092 R)
• M7: 17,610,362 km (0.109 R)
• M8: 18,417,443 km (0.111 R)
• M9: 21,618,239 km (0.096 R)
• M10: 23,110,328 km (0.091 R)
• M11: 31,142,686 km (0.088 R)
• M12: 42,694,335 km (0.114 R)
• M13: 44,589,740 km (0.071 R)
• M14: 47,613,861 km (0.112 R)
• M15: 54,912,591 km (0.11 R)
• M16: 60,352,269 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.2

Radius: 5.3

Gravity: 32.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 13.38 AU - 19.14 AU

Year: 24833 Days

Day: 19.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 96,528,895 km

• M1: 65,973 km (0.037 R)
• M2: 404,662 km (0.092 R)
• M3: 717,172 km (0.099 R)
• M4: 1,382,883 km (0.106 R)
• M5: 1,722,470 km (0.095 R)
• M6: 1,922,781 km (0.09 R)
• M7: 3,316,585 km (0.097 R)
• M8: 4,027,025 km (0.11 R)
• M9: 6,861,306 km (0.064 R)
• M10: 9,578,303 km (0.114 R)
• M11: 13,012,920 km (0.1 R)
• M12: 13,396,041 km (0.045 R)
• M13: 13,629,413 km (0.116 R)
• M14: 14,427,069 km (0.032 R)
• M15: 16,645,905 km (0.118 R)
• M16: 19,279,126 km (0.099 R)
• M17: 25,116,735 km (0.053 R)
• M18: 26,071,019 km (0.057 R)
• M19: 27,422,187 km (0.077 R)
• M20: 28,561,824 km (0.104 R)
• M21: 34,883,680 km (0.102 R)
• M22: 36,070,590 km (0.082 R)
• M23: 38,838,898 km (0.075 R)
• M24: 40,113,622 km (0.088 R)
• M25: 51,520,459 km (0.12 R)
• M26: 55,822,445 km (0.099 R)
• M27: 57,239,885 km (0.111 R)
• M28: 60,357,804 km (0.112 R)
• M29: 62,066,062 km (0.115 R)
• M30: 71,565,976 km (0.1 R)
• M31: 78,662,001 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 14,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit