🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 14.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.16 AU - 3.32 AU

Year: 3076 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,357,292 km

• M1: 179,218 km (0.075 R)
• M2: 699,669 km (0.114 R)
• M3: 1,238,371 km (0.07 R)
• M4: 1,812,977 km (0.082 R)
• M5: 2,275,384 km (0.07 R)
• M6: 3,375,826 km (0.068 R)
• M7: 5,056,558 km (0.034 R)
• M8: 6,582,157 km (0.118 R)
• M9: 7,036,785 km (0.104 R)
• M10: 8,233,717 km (0.066 R)
• M11: 10,147,373 km (0.088 R)
• M12: 11,228,517 km (0.095 R)
• M13: 11,797,138 km (0.068 R)
• M14: 12,299,937 km (0.089 R)
• M15: 14,455,642 km (0.106 R)
• M16: 15,874,279 km (0.041 R)
• M17: 17,491,432 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 13.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.91 AU - 4.47 AU

Year: 5817 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,357,292 km

• M1: 169,195 km (0.07 R)
• M2: 644,916 km (0.085 R)
• M3: 1,206,357 km (0.114 R)
• M4: 1,816,268 km (0.091 R)
• M5: 2,267,305 km (0.113 R)
• M6: 2,832,037 km (0.114 R)
• M7: 3,738,900 km (0.098 R)
• M8: 5,200,770 km (0.037 R)
• M9: 5,806,342 km (0.112 R)
• M10: 6,629,280 km (0.115 R)
• M11: 7,379,513 km (0.119 R)
• M12: 8,145,903 km (0.055 R)
• M13: 9,092,409 km (0.081 R)
• M14: 12,374,437 km (0.092 R)
• M15: 13,290,724 km (0.101 R)
• M16: 14,779,222 km (0.098 R)
• M17: 16,825,123 km (0.101 R)
• M18: 17,348,416 km (0.11 R)
• M19: 17,882,481 km (0.117 R)
• M20: 20,644,805 km (0.097 R)
• M21: 25,432,536 km (0.098 R)
• M22: 26,384,128 km (0.118 R)
• M23: 27,180,288 km (0.082 R)
• M24: 27,629,380 km (0.094 R)
• M25: 28,083,559 km (0.096 R)
• M26: 28,542,675 km (0.098 R)
• M27: 31,798,823 km (0.093 R)
• M28: 33,825,724 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 9.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.72 AU - 4.94 AU

Year: 7200 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,357,292 km

• M1: 145,260 km (0.113 R)
• M2: 909,256 km (0.109 R)
• M3: 1,739,075 km (0.058 R)
• M4: 3,415,768 km (0.056 R)
• M5: 4,816,902 km (0.074 R)
• M6: 5,635,053 km (0.116 R)
• M7: 6,445,723 km (0.109 R)
• M8: 7,385,198 km (0.099 R)
• M9: 9,725,208 km (0.119 R)
• M10: 10,279,767 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 13.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.5 AU - 5.92 AU

Year: 8066 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,357,292 km

• M1: 166,802 km (0.118 R)
• M2: 1,256,024 km (0.119 R)
• M3: 2,163,036 km (0.115 R)
• M4: 6,701,237 km (0.082 R)
• M5: 8,191,830 km (0.037 R)
• M6: 8,618,633 km (0.12 R)
• M7: 9,286,737 km (0.107 R)
• M8: 10,037,269 km (0.08 R)
• M9: 11,820,326 km (0.06 R)
• M10: 17,153,939 km (0.07 R)
• M11: 18,794,429 km (0.109 R)
• M12: 30,182,717 km (0.102 R)
• M13: 31,411,813 km (0.111 R)
• M14: 31,828,892 km (0.111 R)
• M15: 33,642,916 km (0.074 R)
• M16: 39,740,076 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.8

Radius: 5.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.62 AU - 7.52 AU

Year: 11422 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,357,292 km

• M1: 75,248 km (0.091 R)
• M2: 255,214 km (0.061 R)
• M3: 2,156,753 km (0.089 R)
• M4: 2,445,028 km (0.082 R)
• M5: 2,934,063 km (0.11 R)
• M6: 3,288,311 km (0.061 R)
• M7: 4,081,927 km (0.04 R)
• M8: 4,693,932 km (0.112 R)
• M9: 7,122,654 km (0.053 R)
• M10: 7,420,653 km (0.114 R)
• M11: 7,796,293 km (0.064 R)
• M12: 8,041,933 km (0.095 R)
• M13: 11,271,601 km (0.113 R)
• M14: 14,841,306 km (0.112 R)
• M15: 15,657,960 km (0.115 R)
• M16: 16,389,644 km (0.068 R)
• M17: 17,559,349 km (0.092 R)
• M18: 17,739,465 km (0.105 R)
• M19: 20,591,698 km (0.059 R)
• M20: 22,231,291 km (0.097 R)
• M21: 23,082,802 km (0.088 R)
• M22: 23,516,486 km (0.072 R)
• M23: 24,325,960 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.1

Radius: 3.3

Gravity: 40.69 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.26 AU - 11.44 AU

Year: 22584 Days

Day: 24.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,357,292 km

• M1: 41,139 km (0.108 R)
• M2: 241,002 km (0.092 R)
• M3: 478,115 km (0.084 R)
• M4: 673,639 km (0.04 R)
• M5: 1,039,256 km (0.12 R)
• M6: 1,168,808 km (0.095 R)
• M7: 1,540,409 km (0.099 R)
• M8: 2,557,675 km (0.078 R)
• M9: 3,098,770 km (0.106 R)
• M10: 4,206,692 km (0.094 R)
• M11: 4,639,628 km (0.09 R)
• M12: 6,116,010 km (0.114 R)
• M13: 6,241,223 km (0.108 R)
• M14: 6,539,671 km (0.088 R)
• M15: 7,257,890 km (0.085 R)
• M16: 9,782,205 km (0.083 R)
• M17: 14,027,792 km (0.11 R)
• M18: 16,468,482 km (0.091 R)
• M19: 20,825,071 km (0.111 R)
• M20: 25,030,417 km (0.111 R)
• M21: 29,411,241 km (0.099 R)
• M22: 31,594,921 km (0.103 R)
• M23: 32,094,428 km (0.107 R)
• M24: 45,719,353 km (0.084 R)
• M25: 59,086,372 km (0.113 R)
• M26: 59,464,406 km (0.07 R)
• M27: 63,137,033 km (0.036 R)
• M28: 64,727,707 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 12,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit