🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 8.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.6 AU - 0.92 AU

Year: 449 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,633,604 km

• M1: 105,766 km (0.106 R)
• M2: 388,954 km (0.116 R)
• M3: 662,419 km (0.11 R)
• M4: 1,423,274 km (0.063 R)
• M5: 1,717,982 km (0.117 R)
• M6: 1,992,195 km (0.105 R)
• M7: 3,027,861 km (0.086 R)
• M8: 3,398,415 km (0.102 R)
• M9: 4,054,551 km (0.093 R)
• M10: 4,452,481 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 8.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.11 AU - 1.73 AU

Year: 1148 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,633,604 km

• M1: 106,962 km (0.113 R)
• M2: 389,852 km (0.082 R)
• M3: 712,535 km (0.103 R)
• M4: 1,301,053 km (0.088 R)
• M5: 1,646,624 km (0.105 R)
• M6: 2,136,407 km (0.113 R)
• M7: 2,621,703 km (0.028 R)
• M8: 3,032,498 km (0.047 R)
• M9: 3,940,109 km (0.085 R)
• M10: 4,219,408 km (0.03 R)
• M11: 4,900,976 km (0.115 R)
• M12: 5,454,338 km (0.09 R)
• M13: 5,839,553 km (0.094 R)
• M14: 6,603,400 km (0.076 R)
• M15: 6,956,600 km (0.082 R)
• M16: 7,256,843 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.48 AU - 2 AU

Year: 1557 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,633,604 km

• M1: 164,109 km (0.083 R)
• M2: 761,304 km (0.036 R)
• M3: 1,376,151 km (0.034 R)
• M4: 1,814,473 km (0.098 R)
• M5: 2,371,575 km (0.118 R)
• M6: 2,805,110 km (0.029 R)
• M7: 3,414,571 km (0.112 R)
• M8: 4,041,087 km (0.115 R)
• M9: 4,743,300 km (0.112 R)
• M10: 5,568,930 km (0.08 R)
• M11: 6,202,477 km (0.088 R)
• M12: 7,641,160 km (0.079 R)
• M13: 9,384,873 km (0.093 R)
• M14: 10,618,606 km (0.118 R)
• M15: 11,380,808 km (0.067 R)
• M16: 11,811,649 km (0.074 R)
• M17: 12,516,255 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 14.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.29 AU - 5.21 AU

Year: 7022 Days

Day: 13.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,633,604 km

• M1: 177,872 km (0.072 R)
• M2: 1,886,878 km (0.114 R)
• M3: 2,813,637 km (0.064 R)
• M4: 3,759,095 km (0.059 R)
• M5: 4,964,555 km (0.072 R)
• M6: 6,657,554 km (0.102 R)
• M7: 7,733,462 km (0.097 R)
• M8: 8,292,958 km (0.099 R)
• M9: 10,042,056 km (0.084 R)
• M10: 13,054,957 km (0.091 R)
• M11: 16,757,804 km (0.08 R)
• M12: 17,357,841 km (0.116 R)
• M13: 20,274,850 km (0.083 R)
• M14: 22,848,980 km (0.119 R)
• M15: 26,431,550 km (0.047 R)
• M16: 28,168,980 km (0.065 R)
• M17: 29,400,918 km (0.101 R)
• M18: 30,176,733 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.5

Radius: 8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.66 AU - 6.1 AU

Year: 9671 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,633,604 km

• M1: 99,483 km (0.065 R)
• M2: 687,103 km (0.098 R)
• M3: 1,129,464 km (0.114 R)
• M4: 4,641,274 km (0.074 R)
• M5: 10,124,485 km (0.082 R)
• M6: 11,374,824 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 3.3

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.53 AU - 7.43 AU

Year: 11188 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,633,604 km

• M1: 48,171 km (0.109 R)
• M2: 228,436 km (0.102 R)
• M3: 860,337 km (0.119 R)
• M4: 2,002,966 km (0.032 R)
• M5: 2,919,851 km (0.118 R)
• M6: 3,279,335 km (0.081 R)
• M7: 3,990,074 km (0.109 R)
• M8: 5,769,391 km (0.079 R)
• M9: 7,318,328 km (0.076 R)
• M10: 7,828,307 km (0.077 R)
• M11: 8,518,402 km (0.097 R)
• M12: 10,239,974 km (0.111 R)
• M13: 10,509,998 km (0.117 R)
• M14: 15,265,116 km (0.117 R)
• M15: 16,521,589 km (0.094 R)
• M16: 18,499,871 km (0.079 R)
• M17: 23,072,031 km (0.055 R)
• M18: 25,699,418 km (0.107 R)
• M19: 26,702,322 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 14,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit