🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 13.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,168,509 km

• M1: 171,290 km (0.037 R)
• M2: 607,816 km (0.058 R)
• M3: 1,509,143 km (0.072 R)
• M4: 2,075,670 km (0.092 R)
• M5: 2,734,799 km (0.077 R)
• M6: 3,451,522 km (0.119 R)
• M7: 4,009,073 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 11.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.27 AU - 1.85 AU

Year: 1322 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,168,509 km

• M1: 145,708 km (0.109 R)
• M2: 606,769 km (0.088 R)
• M3: 984,952 km (0.113 R)
• M4: 1,370,167 km (0.112 R)
• M5: 1,761,216 km (0.102 R)
• M6: 2,461,035 km (0.107 R)
• M7: 3,713,917 km (0.086 R)
• M8: 4,263,839 km (0.099 R)
• M9: 5,164,866 km (0.119 R)
• M10: 5,724,063 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 10.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.43 AU - 1.79 AU

Year: 1386 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,168,509 km

• M1: 136,433 km (0.051 R)
• M2: 497,563 km (0.092 R)
• M3: 920,924 km (0.107 R)
• M4: 1,357,601 km (0.111 R)
• M5: 1,940,733 km (0.07 R)
• M6: 4,556,901 km (0.108 R)
• M7: 4,986,097 km (0.074 R)
• M8: 5,736,630 km (0.109 R)
• M9: 7,087,798 km (0.113 R)
• M10: 7,439,652 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 9.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.57 AU - 1.89 AU

Year: 1543 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,168,509 km

• M1: 113,246 km (0.083 R)
• M2: 780,452 km (0.118 R)
• M3: 1,101,938 km (0.071 R)
• M4: 1,512,734 km (0.099 R)
• M5: 1,866,981 km (0.058 R)
• M6: 2,683,337 km (0.088 R)
• M7: 2,990,013 km (0.062 R)
• M8: 3,464,687 km (0.091 R)
• M9: 5,061,494 km (0.05 R)
• M10: 6,161,936 km (0.08 R)
• M11: 7,218,995 km (0.054 R)
• M12: 7,638,766 km (0.054 R)
• M13: 8,365,812 km (0.062 R)
• M14: 9,138,186 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 11.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.83 AU - 3.07 AU

Year: 3437 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,168,509 km

• M1: 143,913 km (0.09 R)
• M2: 825,780 km (0.055 R)
• M3: 1,172,847 km (0.118 R)
• M4: 1,577,210 km (0.119 R)
• M5: 3,002,280 km (0.12 R)
• M6: 4,017,750 km (0.095 R)
• M7: 5,298,607 km (0.111 R)
• M8: 5,692,797 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.5

Radius: 6.5

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.5 AU - 10.7 AU

Year: 17106 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,168,509 km

• M1: 80,783 km (0.055 R)
• M2: 412,441 km (0.095 R)
• M3: 735,722 km (0.093 R)
• M4: 944,561 km (0.043 R)
• M5: 1,534,126 km (0.114 R)
• M6: 1,826,291 km (0.088 R)
• M7: 2,054,577 km (0.076 R)
• M8: 2,710,265 km (0.088 R)
• M9: 3,554,445 km (0.08 R)
• M10: 4,132,342 km (0.049 R)
• M11: 4,877,639 km (0.093 R)
• M12: 5,748,897 km (0.06 R)
• M13: 6,327,691 km (0.086 R)
• M14: 6,631,225 km (0.086 R)
• M15: 9,703,367 km (0.108 R)
• M16: 11,260,980 km (0.086 R)
• M17: 11,642,903 km (0.11 R)
• M18: 14,338,657 km (0.084 R)
• M19: 19,345,847 km (0.085 R)
• M20: 20,734,714 km (0.086 R)
• M21: 21,405,062 km (0.072 R)
• M22: 23,194,851 km (0.072 R)
• M23: 23,605,796 km (0.109 R)
• M24: 24,126,247 km (0.099 R)
• M25: 24,867,654 km (0.096 R)
• M26: 26,284,795 km (0.061 R)
• M27: 27,870,233 km (0.117 R)
• M28: 30,366,273 km (0.117 R)
• M29: 33,136,976 km (0.088 R)
• M30: 36,484,826 km (0.081 R)
• M31: 39,904,484 km (0.075 R)
• M32: 44,314,180 km (0.09 R)
• M33: 45,746,131 km (0.1 R)
• M34: 46,717,769 km (0.115 R)
• M35: 48,034,380 km (0.093 R)
• M36: 50,741,803 km (0.111 R)
• M37: 51,957,584 km (0.046 R)
• M38: 55,905,023 km (0.099 R)
• M39: 59,088,915 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407

Radius: 7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.89 AU - 13.05 AU

Year: 22978 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,168,509 km

• M1: 91,255 km (0.075 R)
• M2: 390,600 km (0.042 R)
• M3: 1,868,029 km (0.088 R)
• M4: 2,174,854 km (0.086 R)
• M5: 4,673,886 km (0.049 R)
• M6: 5,895,502 km (0.108 R)
• M7: 6,908,430 km (0.108 R)
• M8: 11,810,602 km (0.098 R)
• M9: 12,067,761 km (0.103 R)
• M10: 13,134,095 km (0.105 R)
• M11: 14,407,322 km (0.119 R)
• M12: 16,628,252 km (0.03 R)
• M13: 17,361,581 km (0.056 R)
• M14: 17,946,658 km (0.074 R)
• M15: 21,354,348 km (0.083 R)
• M16: 23,009,499 km (0.109 R)
• M17: 30,008,884 km (0.111 R)
• M18: 37,055,991 km (0.118 R)
• M19: 37,746,535 km (0.115 R)
• M20: 46,395,236 km (0.091 R)
• M21: 50,329,660 km (0.12 R)
• M22: 54,836,745 km (0.077 R)
• M23: 70,168,582 km (0.071 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: 328 - 12,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit