🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 9.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.19 AU - 1.37 AU

Year: 982 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,837,786 km

• M1: 114,442 km (0.077 R)
• M2: 404,662 km (0.088 R)
• M3: 693,536 km (0.066 R)
• M4: 1,103,583 km (0.114 R)
• M5: 1,439,580 km (0.045 R)
• M6: 1,752,090 km (0.104 R)
• M7: 2,540,471 km (0.101 R)
• M8: 3,015,145 km (0.106 R)
• M9: 3,344,859 km (0.106 R)
• M10: 4,729,836 km (0.12 R)
• M11: 5,100,390 km (0.071 R)
• M12: 5,920,934 km (0.083 R)
• M13: 7,620,964 km (0.108 R)
• M14: 8,448,540 km (0.083 R)
• M15: 9,889,766 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.47 AU - 5.61 AU

Year: 8844 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,837,786 km

• M1: 191,485 km (0.116 R)
• M2: 756,068 km (0.066 R)
• M3: 1,319,752 km (0.032 R)
• M4: 2,115,015 km (0.038 R)
• M5: 2,881,405 km (0.08 R)
• M6: 4,012,664 km (0.094 R)
• M7: 4,488,834 km (0.036 R)
• M8: 5,129,561 km (0.106 R)
• M9: 6,078,461 km (0.112 R)
• M10: 7,802,875 km (0.108 R)
• M11: 9,344,332 km (0.118 R)
• M12: 10,085,739 km (0.11 R)
• M13: 11,080,714 km (0.112 R)
• M14: 14,396,401 km (0.118 R)
• M15: 15,932,622 km (0.105 R)
• M16: 17,649,706 km (0.088 R)
• M17: 18,248,547 km (0.086 R)
• M18: 19,172,314 km (0.092 R)
• M19: 20,946,694 km (0.116 R)
• M20: 21,703,360 km (0.099 R)
• M21: 24,082,864 km (0.06 R)
• M22: 25,762,997 km (0.118 R)
• M23: 28,224,331 km (0.103 R)
• M24: 29,147,649 km (0.106 R)
• M25: 30,197,078 km (0.039 R)
• M26: 34,069,419 km (0.111 R)
• M27: 35,706,917 km (0.103 R)
• M28: 43,053,669 km (0.081 R)
• M29: 44,552,191 km (0.064 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.9

Radius: 6.4

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.54 AU - 5.92 AU

Year: 9303 Days

Day: 18 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,837,786 km

• M1: 79,736 km (0.087 R)
• M2: 404,812 km (0.117 R)
• M3: 984,504 km (0.109 R)
• M4: 1,305,391 km (0.117 R)
• M5: 1,619,696 km (0.1 R)
• M6: 2,458,940 km (0.105 R)
• M7: 3,215,756 km (0.105 R)
• M8: 4,145,955 km (0.053 R)
• M9: 4,582,332 km (0.099 R)
• M10: 4,921,471 km (0.066 R)
• M11: 5,860,646 km (0.056 R)
• M12: 6,410,269 km (0.048 R)
• M13: 6,795,334 km (0.04 R)
• M14: 7,443,541 km (0.107 R)
• M15: 7,782,680 km (0.116 R)
• M16: 8,132,140 km (0.112 R)
• M17: 9,340,442 km (0.104 R)
• M18: 9,635,449 km (0.117 R)
• M19: 10,878,159 km (0.096 R)
• M20: 12,224,091 km (0.045 R)
• M21: 12,696,521 km (0.109 R)
• M22: 15,651,827 km (0.058 R)
• M23: 15,998,445 km (0.054 R)
• M24: 19,272,245 km (0.053 R)
• M25: 19,831,292 km (0.079 R)
• M26: 25,358,036 km (0.052 R)
• M27: 31,609,432 km (0.12 R)
• M28: 32,051,942 km (0.08 R)
• M29: 36,343,008 km (0.061 R)
• M30: 39,705,668 km (0.114 R)
• M31: 46,185,351 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.7

Radius: 5.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.63 AU - 8.85 AU

Year: 13213 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,837,786 km

• M1: 73,453 km (0.108 R)
• M2: 257,608 km (0.073 R)
• M3: 720,463 km (0.113 R)
• M4: 974,032 km (0.096 R)
• M5: 2,224,520 km (0.108 R)
• M6: 3,082,464 km (0.029 R)
• M7: 3,354,732 km (0.098 R)
• M8: 3,804,573 km (0.074 R)
• M9: 3,995,460 km (0.078 R)
• M10: 6,175,849 km (0.086 R)
• M11: 6,440,188 km (0.103 R)
• M12: 7,611,240 km (0.074 R)
• M13: 8,227,284 km (0.073 R)
• M14: 9,558,406 km (0.099 R)
• M15: 11,027,009 km (0.077 R)
• M16: 15,464,829 km (0.089 R)
• M17: 29,642,519 km (0.119 R)
• M18: 30,205,755 km (0.108 R)
• M19: 31,938,098 km (0.047 R)
• M20: 32,928,735 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.7

Radius: 4.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.66 AU - 11.84 AU

Year: 22258 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,837,786 km

• M1: 138,228 km (0.109 R)
• M2: 352,752 km (0.11 R)
• M3: 535,560 km (0.052 R)
• M4: 798,105 km (0.098 R)
• M5: 983,905 km (0.066 R)
• M6: 1,888,972 km (0.074 R)
• M7: 2,592,531 km (0.035 R)
• M8: 5,796,917 km (0.106 R)
• M9: 15,496,993 km (0.072 R)
• M10: 19,434,858 km (0.086 R)
• M11: 20,279,487 km (0.114 R)
• M12: 22,456,286 km (0.084 R)
• M13: 23,730,411 km (0.118 R)
• M14: 30,932,651 km (0.11 R)
• M15: 34,913,600 km (0.046 R)
• M16: 36,159,750 km (0.067 R)
• M17: 40,941,347 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 19,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit