🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 14.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.11 AU - 1.17 AU

Year: 840 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,946,450 km

• M1: 177,872 km (0.099 R)
• M2: 629,209 km (0.068 R)
• M3: 1,085,482 km (0.036 R)
• M4: 1,550,283 km (0.102 R)
• M5: 2,122,195 km (0.119 R)
• M6: 3,195,710 km (0.111 R)
• M7: 3,716,609 km (0.073 R)
• M8: 4,931,793 km (0.045 R)
• M9: 5,479,172 km (0.067 R)
• M10: 6,439,740 km (0.117 R)
• M11: 7,439,502 km (0.052 R)
• M12: 7,916,121 km (0.04 R)
• M13: 9,090,315 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.2

Radius: 11.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.02 AU - 2.64 AU

Year: 2455 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 74.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,946,450 km

• M1: 138,079 km (0.069 R)
• M2: 544,087 km (0.115 R)
• M3: 905,366 km (0.083 R)
• M4: 1,332,019 km (0.112 R)
• M5: 1,722,919 km (0.108 R)
• M6: 2,392,818 km (0.118 R)
• M7: 3,475,308 km (0.099 R)
• M8: 3,907,646 km (0.084 R)
• M9: 4,354,644 km (0.091 R)
• M10: 5,112,956 km (0.108 R)
• M11: 6,330,533 km (0.091 R)
• M12: 7,125,047 km (0.068 R)
• M13: 7,670,032 km (0.114 R)
• M14: 9,799,558 km (0.09 R)
• M15: 10,783,912 km (0.081 R)
• M16: 11,300,174 km (0.105 R)
• M17: 12,382,365 km (0.098 R)
• M18: 12,728,984 km (0.12 R)
• M19: 14,848,935 km (0.101 R)
• M20: 15,388,834 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 8.5

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.9 AU - 3.06 AU

Year: 3551 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,946,450 km

• M1: 105,766 km (0.095 R)
• M2: 422,764 km (0.109 R)
• M3: 896,091 km (0.04 R)
• M4: 1,194,090 km (0.101 R)
• M5: 1,684,472 km (0.118 R)
• M6: 2,407,927 km (0.117 R)
• M7: 3,820,131 km (0.114 R)
• M8: 4,097,037 km (0.114 R)
• M9: 5,084,981 km (0.063 R)
• M10: 7,009,109 km (0.116 R)
• M11: 7,791,057 km (0.107 R)
• M12: 9,146,563 km (0.087 R)
• M13: 10,445,671 km (0.116 R)
• M14: 11,464,732 km (0.1 R)
• M15: 12,134,482 km (0.034 R)
• M16: 13,211,886 km (0.098 R)
• M17: 13,601,139 km (0.11 R)
• M18: 15,024,114 km (0.063 R)
• M19: 16,543,879 km (0.111 R)
• M20: 17,515,068 km (0.101 R)
• M21: 18,103,736 km (0.098 R)
• M22: 18,705,718 km (0.073 R)
• M23: 19,759,485 km (0.043 R)
• M24: 21,917,135 km (0.089 R)
• M25: 23,017,727 km (0.112 R)
• M26: 23,439,892 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 14.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.38 AU - 5.32 AU

Year: 7373 Days

Day: 13.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,946,450 km

• M1: 178,620 km (0.043 R)
• M2: 699,071 km (0.118 R)
• M3: 1,166,714 km (0.059 R)
• M4: 2,174,106 km (0.091 R)
• M5: 3,129,139 km (0.051 R)
• M6: 3,863,814 km (0.099 R)
• M7: 4,449,938 km (0.059 R)
• M8: 5,011,229 km (0.117 R)
• M9: 6,507,208 km (0.085 R)
• M10: 9,348,820 km (0.044 R)
• M11: 10,003,610 km (0.07 R)
• M12: 11,067,101 km (0.115 R)
• M13: 12,102,767 km (0.118 R)
• M14: 13,528,135 km (0.06 R)
• M15: 14,596,414 km (0.027 R)
• M16: 15,299,673 km (0.117 R)
• M17: 15,902,852 km (0.05 R)
• M18: 17,611,110 km (0.102 R)
• M19: 18,543,554 km (0.107 R)
• M20: 19,508,909 km (0.089 R)
• M21: 21,315,453 km (0.104 R)
• M22: 26,017,912 km (0.072 R)
• M23: 29,759,056 km (0.087 R)
• M24: 31,855,371 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.3

Radius: 6.8

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7 AU - 9.5 AU

Year: 16357 Days

Day: 15.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,946,450 km

• M1: 84,972 km (0.098 R)
• M2: 309,069 km (0.098 R)
• M3: 740,360 km (0.114 R)
• M4: 1,558,361 km (0.106 R)
• M5: 2,435,753 km (0.027 R)
• M6: 3,330,497 km (0.069 R)
• M7: 3,634,630 km (0.109 R)
• M8: 5,005,395 km (0.108 R)
• M9: 5,517,768 km (0.083 R)
• M10: 5,825,939 km (0.06 R)
• M11: 7,922,703 km (0.108 R)
• M12: 10,244,911 km (0.065 R)
• M13: 10,711,058 km (0.099 R)
• M14: 11,009,655 km (0.104 R)
• M15: 11,498,691 km (0.091 R)
• M16: 12,324,321 km (0.105 R)
• M17: 15,716,304 km (0.057 R)
• M18: 19,951,419 km (0.034 R)
• M19: 20,586,462 km (0.104 R)
• M20: 23,261,571 km (0.104 R)
• M21: 26,484,059 km (0.051 R)
• M22: 29,522,990 km (0.117 R)
• M23: 33,289,715 km (0.086 R)
• M24: 35,485,363 km (0.053 R)
• M25: 47,603,239 km (0.103 R)
• M26: 49,062,866 km (0.095 R)
• M27: 50,385,012 km (0.058 R)
• M28: 57,535,790 km (0.088 R)
• M29: 61,447,325 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit