🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 11.6

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,111,904 km

• M1: 144,362 km (0.098 R)
• M2: 657,931 km (0.084 R)
• M3: 1,207,105 km (0.104 R)
• M4: 1,595,611 km (0.058 R)
• M5: 1,957,039 km (0.084 R)
• M6: 2,512,347 km (0.116 R)
• M7: 2,928,229 km (0.118 R)
• M8: 3,503,283 km (0.082 R)
• M9: 4,239,304 km (0.097 R)
• M10: 4,993,876 km (0.106 R)
• M11: 5,835,663 km (0.051 R)
• M12: 6,281,465 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.9

Radius: 12.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.8 AU - 1.06 AU

Year: 619 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,111,904 km

• M1: 156,031 km (0.119 R)
• M2: 685,158 km (0.025 R)
• M3: 1,087,577 km (0.11 R)
• M4: 1,716,935 km (0.106 R)
• M5: 2,309,791 km (0.111 R)
• M6: 3,873,238 km (0.085 R)
• M7: 5,019,906 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 10.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.86 AU - 1.34 AU

Year: 796 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,111,904 km

• M1: 133,142 km (0.049 R)
• M2: 679,174 km (0.082 R)
• M3: 1,033,422 km (0.06 R)
• M4: 1,636,451 km (0.026 R)
• M5: 1,995,187 km (0.109 R)
• M6: 2,610,483 km (0.076 R)
• M7: 3,445,987 km (0.068 R)
• M8: 3,965,092 km (0.113 R)
• M9: 4,552,862 km (0.068 R)
• M10: 5,406,766 km (0.119 R)
• M11: 6,385,585 km (0.115 R)
• M12: 6,917,406 km (0.076 R)
• M13: 7,288,259 km (0.088 R)
• M14: 9,318,152 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 8.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.07 AU - 1.57 AU

Year: 1047 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,111,904 km

• M1: 121,473 km (0.042 R)
• M2: 477,516 km (0.065 R)
• M3: 1,128,866 km (0.108 R)
• M4: 2,427,225 km (0.071 R)
• M5: 2,865,697 km (0.086 R)
• M6: 3,314,490 km (0.103 R)
• M7: 3,629,244 km (0.113 R)
• M8: 3,979,752 km (0.12 R)
• M9: 5,001,655 km (0.12 R)
• M10: 5,554,270 km (0.089 R)
• M11: 7,677,064 km (0.065 R)
• M12: 8,128,101 km (0.07 R)
• M13: 8,438,666 km (0.045 R)
• M14: 8,919,175 km (0.106 R)
• M15: 9,531,180 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.64 AU - 2.82 AU

Year: 3114 Days

Day: 8.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,111,904 km

• M1: 175,478 km (0.083 R)
• M2: 761,304 km (0.104 R)
• M3: 1,342,940 km (0.105 R)
• M4: 1,863,092 km (0.117 R)
• M5: 2,387,283 km (0.088 R)
• M6: 2,943,039 km (0.051 R)
• M7: 3,940,258 km (0.077 R)
• M8: 4,982,058 km (0.097 R)
• M9: 7,512,655 km (0.053 R)
• M10: 8,033,406 km (0.117 R)
• M11: 8,753,570 km (0.083 R)
• M12: 9,257,415 km (0.054 R)
• M13: 10,283,956 km (0.045 R)
• M14: 10,886,237 km (0.082 R)
• M15: 12,383,712 km (0.106 R)
• M16: 13,917,838 km (0.113 R)
• M17: 14,856,714 km (0.097 R)
• M18: 15,784,819 km (0.065 R)
• M19: 16,370,794 km (0.094 R)
• M20: 20,761,192 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.3

Radius: 3.8

Gravity: 57.02 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.94 AU - 7.68 AU

Year: 10941 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,111,904 km

• M1: 51,611 km (0.054 R)
• M2: 198,816 km (0.056 R)
• M3: 630,854 km (0.09 R)
• M4: 757,863 km (0.09 R)
• M5: 1,379,592 km (0.047 R)
• M6: 1,581,249 km (0.105 R)
• M7: 3,132,579 km (0.104 R)
• M8: 3,911,386 km (0.096 R)
• M9: 4,747,488 km (0.078 R)
• M10: 4,875,993 km (0.106 R)
• M11: 8,279,793 km (0.108 R)
• M12: 8,703,155 km (0.093 R)
• M13: 11,207,573 km (0.099 R)
• M14: 20,480,098 km (0.025 R)
• M15: 21,426,903 km (0.032 R)
• M16: 21,955,582 km (0.06 R)
• M17: 24,157,064 km (0.066 R)
• M18: 25,802,491 km (0.08 R)
• M19: 28,040,924 km (0.079 R)
• M20: 35,160,137 km (0.086 R)
• M21: 35,649,023 km (0.1 R)
• M22: 36,515,344 km (0.095 R)
• M23: 41,464,042 km (0.091 R)
• M24: 43,674,949 km (0.092 R)
• M25: 45,239,742 km (0.083 R)
• M26: 47,730,846 km (0.117 R)
• M27: 49,390,635 km (0.095 R)
• M28: 51,558,158 km (0.095 R)
• M29: 54,111,943 km (0.096 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: 408 - 19,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit