🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85

Radius: 13.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.11 AU - 1.69 AU

Year: 1070 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,498,641 km

• M1: 165,605 km (0.115 R)
• M2: 841,937 km (0.088 R)
• M3: 1,785,600 km (0.111 R)
• M4: 4,799,548 km (0.079 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 6.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.21 AU - 6.53 AU

Year: 10381 Days

Day: 22.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,498,641 km

• M1: 83,326 km (0.119 R)
• M2: 319,691 km (0.077 R)
• M3: 736,470 km (0.056 R)
• M4: 954,285 km (0.051 R)
• M5: 2,174,255 km (0.099 R)
• M6: 4,426,900 km (0.097 R)
• M7: 5,134,498 km (0.095 R)
• M8: 5,515,374 km (0.077 R)
• M9: 17,130,901 km (0.09 R)
• M10: 17,782,250 km (0.108 R)
• M11: 19,764,871 km (0.101 R)
• M12: 21,663,567 km (0.057 R)
• M13: 27,461,831 km (0.101 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.2

Radius: 6.7

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.99 AU - 11.83 AU

Year: 20143 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,498,641 km

• M1: 84,224 km (0.094 R)
• M2: 340,036 km (0.097 R)
• M3: 654,790 km (0.112 R)
• M4: 1,222,514 km (0.116 R)
• M5: 1,668,016 km (0.109 R)
• M6: 3,868,900 km (0.115 R)
• M7: 5,543,648 km (0.116 R)
• M8: 6,048,092 km (0.107 R)
• M9: 6,540,269 km (0.08 R)
• M10: 7,840,125 km (0.092 R)
• M11: 13,228,341 km (0.12 R)
• M12: 17,391,800 km (0.073 R)
• M13: 18,639,446 km (0.103 R)
• M14: 19,679,749 km (0.047 R)
• M15: 20,849,904 km (0.094 R)
• M16: 26,423,472 km (0.119 R)
• M17: 26,747,202 km (0.118 R)
• M18: 27,623,845 km (0.102 R)
• M19: 28,181,247 km (0.091 R)
• M20: 30,486,400 km (0.099 R)
• M21: 31,322,054 km (0.067 R)
• M22: 39,824,300 km (0.113 R)
• M23: 54,481,301 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.4

Radius: 7.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.6 AU - 10.92 AU

Year: 21220 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,498,641 km

• M1: 97,089 km (0.108 R)
• M2: 417,079 km (0.103 R)
• M3: 702,362 km (0.092 R)
• M4: 1,061,397 km (0.052 R)
• M5: 1,405,322 km (0.073 R)
• M6: 1,924,577 km (0.116 R)
• M7: 2,286,903 km (0.026 R)
• M8: 3,450,924 km (0.112 R)
• M9: 5,024,992 km (0.079 R)
• M10: 5,873,362 km (0.062 R)
• M11: 7,929,136 km (0.068 R)
• M12: 8,571,360 km (0.063 R)
• M13: 9,959,478 km (0.114 R)
• M14: 10,422,484 km (0.042 R)
• M15: 12,261,191 km (0.109 R)
• M16: 13,064,681 km (0.043 R)
• M17: 13,451,541 km (0.061 R)
• M18: 17,483,054 km (0.12 R)
• M19: 21,101,528 km (0.081 R)
• M20: 22,097,999 km (0.101 R)
• M21: 24,019,285 km (0.058 R)
• M22: 25,789,626 km (0.075 R)
• M23: 27,017,076 km (0.059 R)
• M24: 33,434,376 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.4

Radius: 6.4

Gravity: 17.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.11 AU - 13.05 AU

Year: 22220 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,498,641 km

• M1: 80,184 km (0.115 R)
• M2: 384,317 km (0.119 R)
• M3: 1,004,699 km (0.095 R)
• M4: 1,291,329 km (0.052 R)
• M5: 1,579,903 km (0.119 R)
• M6: 2,093,173 km (0.108 R)
• M7: 2,377,260 km (0.116 R)
• M8: 3,358,323 km (0.116 R)
• M9: 5,259,861 km (0.114 R)
• M10: 8,199,310 km (0.098 R)
• M11: 10,569,688 km (0.05 R)
• M12: 11,275,940 km (0.107 R)
• M13: 11,876,725 km (0.066 R)
• M14: 12,428,591 km (0.095 R)
• M15: 12,925,406 km (0.096 R)
• M16: 13,361,633 km (0.048 R)
• M17: 14,729,257 km (0.068 R)
• M18: 16,524,581 km (0.12 R)
• M19: 19,483,627 km (0.094 R)
• M20: 26,774,877 km (0.083 R)
• M21: 28,447,830 km (0.069 R)
• M22: 30,189,150 km (0.117 R)
• M23: 34,434,139 km (0.099 R)
• M24: 39,060,303 km (0.079 R)
• M25: 40,896,916 km (0.086 R)
• M26: 47,091,166 km (0.118 R)
• M27: 48,819,470 km (0.102 R)
• M28: 53,138,809 km (0.117 R)
• M29: 55,391,005 km (0.075 R)
• M30: 60,285,997 km (0.075 R)
• M31: 62,322,174 km (0.104 R)
• M32: 66,316,287 km (0.104 R)
• M33: 70,925,547 km (0.067 R)
• M34: 79,074,592 km (0.036 R)
• M35: 82,006,112 km (0.069 R)
• M36: 82,999,143 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 16,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit