🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 8.8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.77 AU - 1.13 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,583,275 km

• M1: 109,655 km (0.113 R)
• M2: 404,363 km (0.084 R)
• M3: 700,268 km (0.049 R)
• M4: 988,393 km (0.066 R)
• M5: 1,280,558 km (0.059 R)
• M6: 1,572,124 km (0.099 R)
• M7: 2,063,403 km (0.059 R)
• M8: 2,389,527 km (0.04 R)
• M9: 2,793,441 km (0.073 R)
• M10: 3,402,604 km (0.106 R)
• M11: 4,374,092 km (0.096 R)
• M12: 5,095,603 km (0.12 R)
• M13: 5,415,892 km (0.101 R)
• M14: 6,285,654 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 10.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.16 AU

Year: 645 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,583,275 km

• M1: 125,662 km (0.116 R)
• M2: 541,993 km (0.119 R)
• M3: 890,855 km (0.098 R)
• M4: 1,259,614 km (0.091 R)
• M5: 1,607,280 km (0.073 R)
• M6: 2,186,522 km (0.065 R)
• M7: 2,935,110 km (0.071 R)
• M8: 3,263,926 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 13

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.23 AU - 1.83 AU

Year: 1203 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,583,275 km

• M1: 161,715 km (0.071 R)
• M2: 646,861 km (0.097 R)
• M3: 1,309,131 km (0.066 R)
• M4: 1,835,865 km (0.106 R)
• M5: 2,355,269 km (0.059 R)
• M6: 2,817,975 km (0.063 R)
• M7: 3,327,505 km (0.116 R)
• M8: 3,866,507 km (0.049 R)
• M9: 5,121,483 km (0.097 R)
• M10: 6,141,890 km (0.115 R)
• M11: 6,609,084 km (0.075 R)
• M12: 7,052,343 km (0.087 R)
• M13: 7,818,134 km (0.067 R)
• M14: 8,693,581 km (0.09 R)
• M15: 9,574,563 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 11.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.15 AU - 2.57 AU

Year: 2305 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,583,275 km

• M1: 138,079 km (0.106 R)
• M2: 512,672 km (0.072 R)
• M3: 953,088 km (0.068 R)
• M4: 1,457,981 km (0.036 R)
• M5: 2,512,197 km (0.106 R)
• M6: 2,931,071 km (0.095 R)
• M7: 3,333,789 km (0.05 R)
• M8: 4,016,553 km (0.116 R)
• M9: 4,750,181 km (0.099 R)
• M10: 5,957,286 km (0.061 R)
• M11: 6,708,118 km (0.062 R)
• M12: 7,067,303 km (0.104 R)
• M13: 7,685,591 km (0.103 R)
• M14: 9,279,107 km (0.117 R)
• M15: 9,661,180 km (0.109 R)
• M16: 10,662,887 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 13.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.65 AU - 2.71 AU

Year: 2790 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,583,275 km

• M1: 170,392 km (0.034 R)
• M2: 608,265 km (0.087 R)
• M3: 1,076,207 km (0.099 R)
• M4: 1,667,268 km (0.105 R)
• M5: 2,189,664 km (0.091 R)
• M6: 2,993,753 km (0.036 R)
• M7: 4,730,883 km (0.112 R)
• M8: 6,346,091 km (0.118 R)
• M9: 7,198,799 km (0.078 R)
• M10: 8,975,274 km (0.07 R)
• M11: 9,453,688 km (0.118 R)
• M12: 10,050,284 km (0.093 R)
• M13: 11,209,518 km (0.049 R)
• M14: 11,764,975 km (0.067 R)
• M15: 12,971,631 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 11.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.85 AU - 4.59 AU

Year: 4562 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,583,275 km

• M1: 146,756 km (0.118 R)
• M2: 589,416 km (0.114 R)
• M3: 1,527,693 km (0.113 R)
• M4: 1,932,057 km (0.027 R)
• M5: 2,624,096 km (0.08 R)
• M6: 3,251,659 km (0.092 R)
• M7: 4,452,332 km (0.084 R)
• M8: 4,912,345 km (0.107 R)
• M9: 6,172,259 km (0.112 R)
• M10: 6,978,142 km (0.117 R)
• M11: 8,036,547 km (0.058 R)
• M12: 8,760,302 km (0.087 R)
• M13: 11,568,703 km (0.118 R)
• M14: 12,894,738 km (0.117 R)
• M15: 13,306,581 km (0.079 R)
• M16: 14,265,204 km (0.054 R)
• M17: 15,098,763 km (0.068 R)
• M18: 15,905,694 km (0.115 R)
• M19: 16,559,736 km (0.051 R)
• M20: 16,985,342 km (0.065 R)
• M21: 18,826,443 km (0.07 R)
• M22: 19,965,631 km (0.112 R)
• M23: 21,941,520 km (0.077 R)
• M24: 22,976,887 km (0.079 R)
• M25: 26,114,403 km (0.1 R)
• M26: 28,042,420 km (0.095 R)
• M27: 28,997,303 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 4.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.36 AU - 7.02 AU

Year: 11002 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,583,275 km

• M1: 55,950 km (0.117 R)
• M2: 557,402 km (0.102 R)
• M3: 730,337 km (0.092 R)
• M4: 1,646,175 km (0.038 R)
• M5: 2,486,017 km (0.116 R)
• M6: 3,729,924 km (0.107 R)
• M7: 4,044,079 km (0.058 R)
• M8: 7,429,629 km (0.104 R)
• M9: 8,483,097 km (0.107 R)
• M10: 10,483,370 km (0.116 R)
• M11: 12,628,304 km (0.043 R)
• M12: 17,451,938 km (0.086 R)
• M13: 17,761,456 km (0.109 R)
• M14: 18,455,291 km (0.093 R)
• M15: 22,414,997 km (0.084 R)
• M16: 25,691,490 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 17,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit