🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 9.6

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 364 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,269,405 km

• M1: 121,773 km (0.111 R)
• M2: 426,204 km (0.1 R)
• M3: 800,049 km (0.109 R)
• M4: 1,193,791 km (0.077 R)
• M5: 1,506,301 km (0.112 R)
• M6: 1,953,299 km (0.07 R)
• M7: 2,356,615 km (0.115 R)
• M8: 2,815,282 km (0.068 R)
• M9: 3,206,032 km (0.111 R)
• M10: 3,898,969 km (0.051 R)
• M11: 4,414,334 km (0.1 R)
• M12: 4,943,910 km (0.083 R)
• M13: 5,614,707 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 14.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.6 AU - 0.86 AU

Year: 397 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,269,405 km

• M1: 185,352 km (0.073 R)
• M2: 709,543 km (0.096 R)
• M3: 1,223,262 km (0.107 R)
• M4: 1,699,282 km (0.105 R)
• M5: 2,204,474 km (0.106 R)
• M6: 2,782,520 km (0.09 R)
• M7: 3,384,353 km (0.11 R)
• M8: 3,877,278 km (0.112 R)
• M9: 4,431,388 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 9.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.27 AU - 1.51 AU

Year: 1042 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,269,405 km

• M1: 121,922 km (0.12 R)
• M2: 460,313 km (0.115 R)
• M3: 1,281,306 km (0.111 R)
• M4: 1,625,680 km (0.112 R)
• M5: 2,209,261 km (0.069 R)
• M6: 3,116,572 km (0.103 R)
• M7: 3,450,475 km (0.082 R)
• M8: 4,735,371 km (0.066 R)
• M9: 5,985,860 km (0.11 R)
• M10: 8,193,475 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 9.6

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.28 AU - 1.78 AU

Year: 1203 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,269,405 km

• M1: 119,379 km (0.071 R)
• M2: 510,278 km (0.111 R)
• M3: 936,333 km (0.093 R)
• M4: 1,481,019 km (0.115 R)
• M5: 1,922,333 km (0.111 R)
• M6: 2,625,143 km (0.079 R)
• M7: 3,173,120 km (0.118 R)
• M8: 3,795,747 km (0.119 R)
• M9: 4,350,605 km (0.105 R)
• M10: 5,283,498 km (0.094 R)
• M11: 5,975,986 km (0.052 R)
• M12: 6,320,809 km (0.109 R)
• M13: 6,950,167 km (0.099 R)
• M14: 7,944,545 km (0.109 R)
• M15: 8,765,089 km (0.082 R)
• M16: 9,892,907 km (0.09 R)
• M17: 10,774,936 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 12

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.05 AU - 4.41 AU

Year: 4580 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,269,405 km

• M1: 150,346 km (0.103 R)
• M2: 558,598 km (0.094 R)
• M3: 1,191,397 km (0.081 R)
• M4: 1,604,138 km (0.066 R)
• M5: 2,272,092 km (0.109 R)
• M6: 3,365,055 km (0.086 R)
• M7: 4,007,877 km (0.11 R)
• M8: 4,584,576 km (0.12 R)
• M9: 5,790,784 km (0.117 R)
• M10: 7,002,377 km (0.102 R)
• M11: 8,973,479 km (0.103 R)
• M12: 9,558,855 km (0.102 R)
• M13: 9,963,368 km (0.114 R)
• M14: 10,379,100 km (0.099 R)
• M15: 10,763,268 km (0.1 R)
• M16: 11,290,151 km (0.084 R)
• M17: 12,253,711 km (0.111 R)
• M18: 13,371,207 km (0.114 R)
• M19: 16,146,547 km (0.116 R)
• M20: 16,954,824 km (0.057 R)
• M21: 19,157,653 km (0.116 R)
• M22: 21,133,841 km (0.113 R)
• M23: 22,171,302 km (0.07 R)
• M24: 23,901,551 km (0.112 R)
• M25: 25,410,844 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 3.7

Gravity: 52.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.7 AU - 10.86 AU

Year: 16542 Days

Day: 17.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,269,405 km

• M1: 46,076 km (0.101 R)
• M2: 182,509 km (0.092 R)
• M3: 521,349 km (0.114 R)
• M4: 942,766 km (0.1 R)
• M5: 2,000,722 km (0.093 R)
• M6: 2,239,929 km (0.116 R)
• M7: 2,388,031 km (0.084 R)
• M8: 3,730,821 km (0.087 R)
• M9: 3,908,992 km (0.112 R)
• M10: 5,100,539 km (0.111 R)
• M11: 6,643,342 km (0.095 R)
• M12: 7,084,058 km (0.054 R)
• M13: 8,171,185 km (0.077 R)
• M14: 8,728,437 km (0.118 R)
• M15: 9,473,734 km (0.104 R)
• M16: 9,861,791 km (0.071 R)
• M17: 10,610,678 km (0.098 R)
• M18: 12,948,294 km (0.064 R)
• M19: 14,129,070 km (0.06 R)
• M20: 15,079,017 km (0.09 R)
• M21: 16,782,188 km (0.085 R)
• M22: 20,381,812 km (0.073 R)
• M23: 21,403,117 km (0.118 R)
• M24: 26,368,569 km (0.107 R)
• M25: 29,290,665 km (0.116 R)
• M26: 29,524,037 km (0.113 R)
• M27: 32,671,277 km (0.098 R)
• M28: 35,370,771 km (0.056 R)
• M29: 39,196,437 km (0.041 R)
• M30: 41,501,591 km (0.079 R)
• M31: 51,118,939 km (0.064 R)
• M32: 59,654,395 km (0.104 R)
• M33: 65,643,097 km (0.064 R)
• M34: 66,042,673 km (0.075 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: 462 - 15,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit