🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 13.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.54 AU - 0.68 AU

Year: 323 Days

Day: 13.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,330,211 km

• M1: 172,935 km (0.075 R)
• M2: 761,304 km (0.111 R)
• M3: 1,238,970 km (0.07 R)
• M4: 1,953,000 km (0.05 R)
• M5: 2,677,951 km (0.104 R)
• M6: 3,296,688 km (0.114 R)
• M7: 3,825,218 km (0.099 R)
• M8: 4,477,315 km (0.111 R)
• M9: 4,967,098 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 8.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.6 AU - 0.88 AU

Year: 432 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 132.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,330,211 km

• M1: 100,829 km (0.097 R)
• M2: 371,751 km (0.104 R)
• M3: 761,752 km (0.099 R)
• M4: 1,582,745 km (0.067 R)
• M5: 1,936,544 km (0.117 R)
• M6: 2,335,223 km (0.068 R)
• M7: 2,796,134 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 12.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.91 AU - 1.17 AU

Year: 719 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,330,211 km

• M1: 159,471 km (0.067 R)
• M2: 635,492 km (0.119 R)
• M3: 1,389,465 km (0.065 R)
• M4: 2,642,347 km (0.053 R)
• M5: 3,324,962 km (0.096 R)
• M6: 4,284,483 km (0.119 R)
• M7: 5,298,607 km (0.042 R)
• M8: 5,853,465 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 12.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.84 AU - 1.36 AU

Year: 782 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,330,211 km

• M1: 159,172 km (0.059 R)
• M2: 671,545 km (0.098 R)
• M3: 1,130,960 km (0.109 R)
• M4: 1,640,341 km (0.099 R)
• M5: 2,657,008 km (0.085 R)
• M6: 3,466,033 km (0.1 R)
• M7: 4,087,313 km (0.064 R)
• M8: 4,902,173 km (0.107 R)
• M9: 5,312,071 km (0.068 R)
• M10: 6,100,152 km (0.076 R)
• M11: 6,554,332 km (0.053 R)
• M12: 7,885,154 km (0.082 R)
• M13: 8,350,104 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.25 AU - 1.71 AU

Year: 1221 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,330,211 km

• M1: 99,483 km (0.12 R)
• M2: 389,553 km (0.088 R)
• M3: 677,230 km (0.092 R)
• M4: 1,260,063 km (0.095 R)
• M5: 1,510,340 km (0.1 R)
• M6: 1,769,444 km (0.102 R)
• M7: 2,268,502 km (0.094 R)
• M8: 2,951,865 km (0.105 R)
• M9: 3,296,688 km (0.116 R)
• M10: 3,921,858 km (0.077 R)
• M11: 4,987,593 km (0.072 R)
• M12: 5,406,317 km (0.095 R)
• M13: 6,020,267 km (0.077 R)
• M14: 6,334,123 km (0.056 R)
• M15: 7,320,273 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 12.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.9 AU - 6.02 AU

Year: 8653 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,330,211 km

• M1: 156,629 km (0.032 R)
• M2: 849,866 km (0.051 R)
• M3: 1,930,261 km (0.103 R)
• M4: 2,381,897 km (0.071 R)
• M5: 2,819,172 km (0.105 R)
• M6: 3,858,129 km (0.091 R)
• M7: 4,408,500 km (0.062 R)
• M8: 5,073,911 km (0.087 R)
• M9: 5,910,313 km (0.116 R)
• M10: 7,396,418 km (0.096 R)
• M11: 8,699,415 km (0.086 R)
• M12: 10,615,016 km (0.056 R)
• M13: 15,602,011 km (0.099 R)
• M14: 16,931,188 km (0.114 R)
• M15: 17,808,879 km (0.083 R)
• M16: 19,259,978 km (0.102 R)
• M17: 21,880,185 km (0.11 R)
• M18: 24,637,124 km (0.109 R)
• M19: 29,039,789 km (0.115 R)
• M20: 30,403,224 km (0.08 R)
• M21: 32,139,457 km (0.118 R)
• M22: 35,217,882 km (0.114 R)
• M23: 36,406,287 km (0.078 R)
• M24: 41,690,982 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738

Radius: 7.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.35 AU - 6.33 AU

Year: 9572 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,330,211 km

• M1: 97,687 km (0.036 R)
• M2: 461,210 km (0.072 R)
• M3: 772,075 km (0.105 R)
• M4: 1,599,949 km (0.114 R)
• M5: 1,969,007 km (0.086 R)
• M6: 2,568,745 km (0.095 R)
• M7: 3,403,800 km (0.112 R)
• M8: 5,010,631 km (0.087 R)
• M9: 7,722,691 km (0.096 R)
• M10: 9,104,676 km (0.058 R)
• M11: 11,014,742 km (0.093 R)
• M12: 11,669,681 km (0.073 R)
• M13: 13,237,766 km (0.082 R)
• M14: 17,948,902 km (0.082 R)
• M15: 24,575,041 km (0.091 R)
• M16: 25,503,295 km (0.101 R)
• M17: 26,262,654 km (0.109 R)
• M18: 26,744,808 km (0.117 R)
• M19: 28,327,404 km (0.071 R)
• M20: 29,971,485 km (0.113 R)
• M21: 33,674,481 km (0.108 R)
• M22: 35,051,080 km (0.057 R)
• M23: 36,824,114 km (0.059 R)
• M24: 39,029,636 km (0.11 R)
• M25: 45,754,210 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 3

Gravity: 18.38 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.06 AU - 7.98 AU

Year: 13987 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 124.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,330,211 km

• M1: 78,090 km (0.038 R)
• M2: 439,818 km (0.116 R)
• M3: 533,765 km (0.116 R)
• M4: 829,969 km (0.12 R)
• M5: 1,159,084 km (0.112 R)
• M6: 1,748,350 km (0.075 R)
• M7: 2,035,578 km (0.084 R)
• M8: 2,551,541 km (0.061 R)
• M9: 3,643,606 km (0.095 R)
• M10: 4,533,115 km (0.112 R)
• M11: 4,840,239 km (0.111 R)
• M12: 7,238,592 km (0.091 R)
• M13: 11,004,419 km (0.061 R)
• M14: 16,798,794 km (0.115 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: 360 - 16,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit