🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 9.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,443,075 km

• M1: 121,922 km (0.042 R)
• M2: 465,100 km (0.088 R)
• M3: 824,733 km (0.032 R)
• M4: 1,164,619 km (0.055 R)
• M5: 1,580,202 km (0.07 R)
• M6: 1,972,298 km (0.104 R)
• M7: 2,481,081 km (0.112 R)
• M8: 2,916,111 km (0.107 R)
• M9: 3,251,360 km (0.108 R)
• M10: 4,086,415 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 14.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.85 AU - 1.33 AU

Year: 772 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,443,075 km

• M1: 184,005 km (0.103 R)
• M2: 654,042 km (0.111 R)
• M3: 1,194,090 km (0.094 R)
• M4: 1,746,555 km (0.098 R)
• M5: 2,243,669 km (0.081 R)
• M6: 2,769,206 km (0.092 R)
• M7: 3,776,000 km (0.091 R)
• M8: 4,718,616 km (0.114 R)
• M9: 5,395,098 km (0.113 R)
• M10: 6,097,310 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 9.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.15 AU - 1.65 AU

Year: 1124 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,443,075 km

• M1: 113,246 km (0.109 R)
• M2: 449,990 km (0.1 R)
• M3: 768,634 km (0.102 R)
• M4: 1,086,978 km (0.113 R)
• M5: 1,438,384 km (0.092 R)
• M6: 1,735,335 km (0.08 R)
• M7: 2,063,254 km (0.065 R)
• M8: 2,658,205 km (0.108 R)
• M9: 3,165,940 km (0.079 R)
• M10: 4,272,366 km (0.049 R)
• M11: 5,258,216 km (0.05 R)
• M12: 5,825,640 km (0.072 R)
• M13: 6,343,847 km (0.112 R)
• M14: 6,706,323 km (0.067 R)
• M15: 7,275,992 km (0.069 R)
• M16: 7,826,063 km (0.071 R)
• M17: 8,243,291 km (0.112 R)
• M18: 9,881,837 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 12.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.36 AU - 2.62 AU

Year: 2665 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,443,075 km

• M1: 168,597 km (0.097 R)
• M2: 960,269 km (0.116 R)
• M3: 1,899,893 km (0.118 R)
• M4: 2,512,795 km (0.071 R)
• M5: 3,098,770 km (0.049 R)
• M6: 3,794,101 km (0.087 R)
• M7: 4,306,474 km (0.118 R)
• M8: 4,795,360 km (0.065 R)
• M9: 5,727,654 km (0.108 R)
• M10: 7,378,765 km (0.075 R)
• M11: 10,304,152 km (0.108 R)
• M12: 12,416,623 km (0.095 R)
• M13: 17,704,609 km (0.055 R)
• M14: 20,529,615 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 10.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.68 AU - 3.3 AU

Year: 3507 Days

Day: 10.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,443,075 km

• M1: 130,599 km (0.101 R)
• M2: 506,538 km (0.076 R)
• M3: 904,768 km (0.047 R)
• M4: 1,523,505 km (0.095 R)
• M5: 1,896,153 km (0.076 R)
• M6: 2,373,520 km (0.09 R)
• M7: 4,645,463 km (0.054 R)
• M8: 5,041,598 km (0.052 R)
• M9: 5,677,987 km (0.094 R)
• M10: 6,432,559 km (0.099 R)
• M11: 9,211,190 km (0.096 R)
• M12: 9,693,493 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 13.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.18 AU - 6.02 AU

Year: 7812 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 145 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,443,075 km

• M1: 167,849 km (0.08 R)
• M2: 613,202 km (0.041 R)
• M3: 1,193,193 km (0.075 R)
• M4: 1,957,039 km (0.101 R)
• M5: 2,873,625 km (0.085 R)
• M6: 3,398,564 km (0.044 R)
• M7: 3,916,173 km (0.086 R)
• M8: 6,369,877 km (0.069 R)
• M9: 8,134,235 km (0.045 R)
• M10: 8,734,421 km (0.058 R)
• M11: 9,450,397 km (0.07 R)
• M12: 10,808,895 km (0.117 R)
• M13: 12,088,555 km (0.093 R)
• M14: 12,765,037 km (0.106 R)
• M15: 15,544,864 km (0.112 R)
• M16: 16,220,448 km (0.077 R)
• M17: 16,979,658 km (0.117 R)
• M18: 17,433,388 km (0.056 R)
• M19: 19,896,517 km (0.066 R)
• M20: 22,661,235 km (0.116 R)
• M21: 25,083,673 km (0.048 R)
• M22: 27,230,403 km (0.106 R)
• M23: 32,380,010 km (0.099 R)
• M24: 34,300,099 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.3

Radius: 4.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.18 AU - 7.16 AU

Year: 11684 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,443,075 km

• M1: 58,493 km (0.099 R)
• M2: 304,282 km (0.101 R)
• M3: 760,406 km (0.104 R)
• M4: 933,790 km (0.058 R)
• M5: 1,296,864 km (0.112 R)
• M6: 2,282,415 km (0.105 R)
• M7: 3,369,542 km (0.034 R)
• M8: 3,887,899 km (0.074 R)
• M9: 6,186,022 km (0.073 R)
• M10: 8,016,950 km (0.078 R)
• M11: 10,398,847 km (0.118 R)
• M12: 12,755,014 km (0.098 R)
• M13: 14,218,679 km (0.11 R)
• M14: 18,683,577 km (0.103 R)
• M15: 19,542,119 km (0.087 R)
• M16: 21,479,861 km (0.073 R)
• M17: 22,128,966 km (0.088 R)
• M18: 26,056,060 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 18,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit