🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.29 AU - 1.39 AU

Year: 1034 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,272,142 km

• M1: 134,339 km (0.057 R)
• M2: 560,543 km (0.111 R)
• M3: 1,213,239 km (0.118 R)
• M4: 1,881,642 km (0.088 R)
• M5: 2,227,662 km (0.111 R)
• M6: 3,370,590 km (0.065 R)
• M7: 4,102,572 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 11.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.7 AU - 2.04 AU

Year: 1705 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,272,142 km

• M1: 140,173 km (0.087 R)
• M2: 506,538 km (0.089 R)
• M3: 883,974 km (0.074 R)
• M4: 1,441,375 km (0.112 R)
• M5: 2,355,119 km (0.113 R)
• M6: 2,848,792 km (0.107 R)
• M7: 3,586,908 km (0.087 R)
• M8: 4,081,030 km (0.062 R)
• M9: 4,958,421 km (0.078 R)
• M10: 5,507,446 km (0.095 R)
• M11: 6,167,322 km (0.117 R)
• M12: 7,755,004 km (0.078 R)
• M13: 8,437,320 km (0.057 R)
• M14: 8,914,238 km (0.09 R)
• M15: 9,315,011 km (0.095 R)
• M16: 10,152,459 km (0.115 R)
• M17: 11,039,575 km (0.109 R)
• M18: 11,574,387 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.61 AU - 2.77 AU

Year: 2942 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,272,142 km

• M1: 184,005 km (0.108 R)
• M2: 753,524 km (0.098 R)
• M3: 1,481,917 km (0.085 R)
• M4: 1,975,739 km (0.098 R)
• M5: 2,550,344 km (0.078 R)
• M6: 3,110,888 km (0.093 R)
• M7: 3,713,468 km (0.085 R)
• M8: 4,932,691 km (0.111 R)
• M9: 6,731,455 km (0.032 R)
• M10: 7,483,783 km (0.099 R)
• M11: 9,157,035 km (0.118 R)
• M12: 11,196,054 km (0.077 R)
• M13: 13,281,299 km (0.098 R)
• M14: 14,063,995 km (0.112 R)
• M15: 14,568,589 km (0.071 R)
• M16: 15,085,449 km (0.119 R)
• M17: 16,486,583 km (0.066 R)
• M18: 17,048,024 km (0.095 R)
• M19: 18,268,742 km (0.081 R)
• M20: 21,608,515 km (0.065 R)
• M21: 22,078,103 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592

Radius: 8.9

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.59 AU - 4.95 AU

Year: 5884 Days

Day: 10.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 25,272,142 km

• M1: 110,702 km (0.085 R)
• M2: 441,613 km (0.045 R)
• M3: 760,705 km (0.104 R)
• M4: 1,690,007 km (0.1 R)
• M5: 2,049,940 km (0.052 R)
• M6: 2,546,006 km (0.107 R)
• M7: 3,302,223 km (0.108 R)
• M8: 4,056,496 km (0.087 R)
• M9: 4,500,054 km (0.051 R)
• M10: 5,254,176 km (0.116 R)
• M11: 5,543,050 km (0.047 R)
• M12: 5,934,398 km (0.081 R)
• M13: 6,639,004 km (0.118 R)
• M14: 6,977,245 km (0.119 R)
• M15: 9,171,247 km (0.067 R)
• M16: 10,334,819 km (0.045 R)
• M17: 11,449,174 km (0.06 R)
• M18: 14,190,854 km (0.047 R)
• M19: 14,583,100 km (0.117 R)
• M20: 17,469,740 km (0.084 R)
• M21: 18,378,697 km (0.082 R)
• M22: 19,524,317 km (0.094 R)
• M23: 20,220,097 km (0.109 R)
• M24: 20,788,419 km (0.109 R)
• M25: 23,713,357 km (0.06 R)
• M26: 24,186,535 km (0.101 R)
• M27: 25,561,190 km (0.073 R)
• M28: 26,816,615 km (0.088 R)
• M29: 29,631,748 km (0.106 R)
• M30: 30,457,678 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 13.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.44 AU - 5.5 AU

Year: 7389 Days

Day: 12.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,272,142 km

• M1: 167,250 km (0.084 R)
• M2: 602,131 km (0.092 R)
• M3: 1,426,266 km (0.099 R)
• M4: 1,893,161 km (0.093 R)
• M5: 2,568,895 km (0.116 R)
• M6: 3,253,903 km (0.107 R)
• M7: 6,175,400 km (0.111 R)
• M8: 7,032,446 km (0.042 R)
• M9: 7,900,563 km (0.115 R)
• M10: 10,006,153 km (0.09 R)
• M11: 13,540,402 km (0.071 R)
• M12: 16,698,862 km (0.092 R)
• M13: 20,637,325 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 6.1

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.69 AU - 10.67 AU

Year: 21660 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,272,142 km

• M1: 77,492 km (0.044 R)
• M2: 407,056 km (0.094 R)
• M3: 1,146,967 km (0.063 R)
• M4: 1,525,001 km (0.073 R)
• M5: 1,889,720 km (0.113 R)
• M6: 3,282,476 km (0.062 R)
• M7: 4,742,103 km (0.114 R)
• M8: 6,588,440 km (0.1 R)
• M9: 8,461,555 km (0.062 R)
• M10: 10,162,333 km (0.087 R)
• M11: 12,831,757 km (0.093 R)
• M12: 14,327,138 km (0.112 R)
• M13: 14,850,431 km (0.105 R)
• M14: 15,224,127 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 18,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit