🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.64 AU - 0.84 AU

Year: 447 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,366,927 km

• M1: 112,049 km (0.119 R)
• M2: 718,967 km (0.052 R)
• M3: 1,004,849 km (0.092 R)
• M4: 1,302,100 km (0.096 R)
• M5: 1,959,283 km (0.089 R)
• M6: 2,422,738 km (0.079 R)
• M7: 3,022,027 km (0.092 R)
• M8: 3,521,833 km (0.082 R)
• M9: 3,829,705 km (0.111 R)
• M10: 4,209,534 km (0.051 R)
• M11: 5,184,015 km (0.1 R)
• M12: 5,469,897 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 13.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.54 AU - 2.28 AU

Year: 1855 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,366,927 km

• M1: 169,794 km (0.05 R)
• M2: 951,742 km (0.117 R)
• M3: 1,545,346 km (0.069 R)
• M4: 2,150,469 km (0.061 R)
• M5: 2,684,833 km (0.056 R)
• M6: 3,845,413 km (0.082 R)
• M7: 4,421,963 km (0.045 R)
• M8: 5,055,810 km (0.107 R)
• M9: 5,541,853 km (0.088 R)
• M10: 7,246,072 km (0.11 R)
• M11: 7,750,666 km (0.093 R)
• M12: 8,490,577 km (0.11 R)
• M13: 10,671,714 km (0.045 R)
• M14: 11,550,601 km (0.042 R)
• M15: 13,327,973 km (0.097 R)
• M16: 13,831,370 km (0.116 R)
• M17: 14,965,621 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 12.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.96 AU - 2.94 AU

Year: 2696 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,366,927 km

• M1: 497,862 km (0.056 R)
• M2: 906,264 km (0.025 R)
• M3: 1,341,743 km (0.071 R)
• M4: 1,767,948 km (0.117 R)
• M5: 2,393,416 km (0.116 R)
• M6: 2,847,895 km (0.12 R)
• M7: 3,779,740 km (0.047 R)
• M8: 5,756,376 km (0.112 R)
• M9: 8,550,266 km (0.103 R)
• M10: 8,968,991 km (0.068 R)
• M11: 10,010,641 km (0.087 R)
• M12: 12,258,349 km (0.094 R)

Asteroid Belt

Center: 2.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 12.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.13 AU - 3.23 AU

Year: 3986 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,366,927 km

• M1: 153,039 km (0.116 R)
• M2: 697,724 km (0.052 R)
• M3: 1,096,702 km (0.06 R)
• M4: 1,783,805 km (0.106 R)
• M5: 2,508,756 km (0.106 R)
• M6: 7,104,253 km (0.107 R)
• M7: 8,361,623 km (0.105 R)
• M8: 9,223,008 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 9.5

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.68 AU - 4.94 AU

Year: 7415 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,366,927 km

• M1: 118,182 km (0.12 R)
• M2: 518,357 km (0.12 R)
• M3: 976,724 km (0.093 R)
• M4: 1,456,335 km (0.101 R)
• M5: 2,186,822 km (0.097 R)
• M6: 2,597,019 km (0.096 R)
• M7: 3,765,678 km (0.119 R)
• M8: 4,550,468 km (0.058 R)
• M9: 5,131,656 km (0.085 R)
• M10: 5,926,918 km (0.091 R)
• M11: 6,267,253 km (0.083 R)
• M12: 6,692,859 km (0.097 R)
• M13: 7,290,203 km (0.063 R)
• M14: 8,463,051 km (0.097 R)
• M15: 9,617,647 km (0.098 R)
• M16: 11,127,838 km (0.07 R)
• M17: 13,887,170 km (0.106 R)
• M18: 14,428,266 km (0.092 R)
• M19: 17,485,298 km (0.071 R)
• M20: 22,226,204 km (0.071 R)
• M21: 24,323,716 km (0.079 R)
• M22: 25,021,889 km (0.052 R)
• M23: 25,823,285 km (0.097 R)
• M24: 29,103,069 km (0.118 R)
• M25: 30,188,551 km (0.101 R)
• M26: 30,690,901 km (0.072 R)
• M27: 30,994,884 km (0.113 R)
• M28: 32,335,729 km (0.076 R)
• M29: 34,473,333 km (0.044 R)
• M30: 35,465,466 km (0.061 R)
• M31: 36,817,532 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.7

Radius: 7.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.07 AU - 8.91 AU

Year: 15876 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,366,927 km

• M1: 103,372 km (0.096 R)
• M2: 425,905 km (0.117 R)
• M3: 812,765 km (0.115 R)
• M4: 1,325,288 km (0.119 R)
• M5: 2,186,223 km (0.054 R)
• M6: 2,581,760 km (0.079 R)
• M7: 4,603,276 km (0.116 R)
• M8: 7,266,268 km (0.059 R)
• M9: 12,123,561 km (0.117 R)
• M10: 14,618,854 km (0.086 R)
• M11: 19,455,951 km (0.105 R)
• M12: 22,437,586 km (0.093 R)
• M13: 24,123,105 km (0.094 R)
• M14: 27,272,889 km (0.106 R)
• M15: 29,782,991 km (0.032 R)
• M16: 35,257,675 km (0.064 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 16,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit