🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 9.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.93 AU - 1.13 AU

Year: 686 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,665,035 km

• M1: 116,836 km (0.077 R)
• M2: 413,937 km (0.111 R)
• M3: 748,887 km (0.049 R)
• M4: 1,090,718 km (0.038 R)
• M5: 2,014,485 km (0.092 R)
• M6: 2,342,104 km (0.113 R)
• M7: 3,022,924 km (0.117 R)
• M8: 3,455,112 km (0.051 R)
• M9: 3,844,067 km (0.086 R)
• M10: 4,536,705 km (0.114 R)
• M11: 4,888,410 km (0.115 R)
• M12: 5,978,829 km (0.088 R)
• M13: 6,343,548 km (0.053 R)
• M14: 6,825,403 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 14.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.68 AU - 3.04 AU

Year: 3173 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,665,035 km

• M1: 175,478 km (0.085 R)
• M2: 742,604 km (0.087 R)
• M3: 1,301,053 km (0.101 R)
• M4: 1,880,894 km (0.067 R)
• M5: 2,469,861 km (0.105 R)
• M6: 3,028,310 km (0.096 R)
• M7: 3,539,037 km (0.073 R)
• M8: 4,169,442 km (0.105 R)
• M9: 5,682,774 km (0.071 R)
• M10: 6,133,363 km (0.111 R)
• M11: 7,412,425 km (0.112 R)
• M12: 8,415,628 km (0.051 R)
• M13: 9,470,892 km (0.117 R)
• M14: 13,032,219 km (0.119 R)
• M15: 13,491,783 km (0.092 R)
• M16: 14,057,712 km (0.073 R)
• M17: 16,695,571 km (0.108 R)
• M18: 17,905,220 km (0.087 R)
• M19: 18,763,014 km (0.074 R)
• M20: 19,349,886 km (0.087 R)
• M21: 20,192,272 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 13.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.15 AU - 4.81 AU

Year: 6221 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,665,035 km

• M1: 168,148 km (0.091 R)
• M2: 826,678 km (0.069 R)
• M3: 1,473,389 km (0.119 R)
• M4: 2,118,605 km (0.044 R)
• M5: 2,876,917 km (0.071 R)
• M6: 5,302,646 km (0.077 R)
• M7: 6,004,559 km (0.074 R)
• M8: 7,222,585 km (0.102 R)
• M9: 7,837,732 km (0.112 R)
• M10: 8,902,270 km (0.092 R)
• M11: 11,094,028 km (0.103 R)
• M12: 12,243,987 km (0.1 R)
• M13: 13,120,182 km (0.116 R)
• M14: 14,089,875 km (0.091 R)
• M15: 14,512,340 km (0.041 R)
• M16: 19,344,351 km (0.059 R)
• M17: 22,910,016 km (0.115 R)
• M18: 26,172,297 km (0.097 R)
• M19: 27,135,408 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.2

Radius: 6.9

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.98 AU - 8.22 AU

Year: 13745 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,665,035 km

• M1: 85,869 km (0.093 R)
• M2: 321,336 km (0.038 R)
• M3: 581,786 km (0.112 R)
• M4: 801,545 km (0.078 R)
• M5: 1,986,809 km (0.103 R)
• M6: 2,926,583 km (0.056 R)
• M7: 3,190,623 km (0.064 R)
• M8: 4,106,910 km (0.097 R)
• M9: 4,758,708 km (0.107 R)
• M10: 5,347,226 km (0.115 R)
• M11: 6,301,810 km (0.098 R)
• M12: 6,631,374 km (0.099 R)
• M13: 8,499,403 km (0.071 R)
• M14: 9,506,197 km (0.078 R)
• M15: 10,847,790 km (0.089 R)
• M16: 13,657,238 km (0.108 R)
• M17: 14,209,853 km (0.07 R)
• M18: 15,623,403 km (0.097 R)
• M19: 15,957,306 km (0.054 R)
• M20: 16,708,736 km (0.039 R)
• M21: 18,355,509 km (0.115 R)
• M22: 18,877,456 km (0.067 R)
• M23: 19,717,598 km (0.077 R)
• M24: 20,107,599 km (0.088 R)
• M25: 23,502,424 km (0.105 R)
• M26: 27,940,095 km (0.097 R)
• M27: 28,432,272 km (0.115 R)
• M28: 36,524,171 km (0.096 R)
• M29: 36,994,357 km (0.106 R)
• M30: 38,187,549 km (0.118 R)
• M31: 39,652,711 km (0.085 R)
• M32: 43,479,275 km (0.115 R)
• M33: 44,273,041 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.3

Radius: 6.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.12 AU - 9.84 AU

Year: 19148 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,665,035 km

• M1: 85,869 km (0.083 R)
• M2: 339,737 km (0.063 R)
• M3: 1,534,126 km (0.088 R)
• M4: 1,954,945 km (0.051 R)
• M5: 2,885,743 km (0.068 R)
• M6: 3,171,026 km (0.066 R)
• M7: 4,231,077 km (0.058 R)
• M8: 6,217,736 km (0.109 R)
• M9: 6,493,445 km (0.033 R)
• M10: 6,736,243 km (0.09 R)
• M11: 7,678,859 km (0.105 R)
• M12: 8,755,515 km (0.07 R)
• M13: 11,146,837 km (0.062 R)
• M14: 12,710,433 km (0.067 R)
• M15: 13,479,217 km (0.085 R)
• M16: 15,608,443 km (0.065 R)
• M17: 18,270,538 km (0.086 R)
• M18: 19,166,030 km (0.113 R)
• M19: 21,220,907 km (0.113 R)
• M20: 22,577,311 km (0.093 R)
• M21: 23,608,040 km (0.115 R)
• M22: 26,475,233 km (0.109 R)
• M23: 27,939,048 km (0.117 R)
• M24: 29,126,406 km (0.108 R)
• M25: 30,913,054 km (0.06 R)
• M26: 37,093,989 km (0.09 R)
• M27: 38,659,381 km (0.06 R)
• M28: 39,458,383 km (0.072 R)
• M29: 41,503,835 km (0.068 R)
• M30: 44,921,997 km (0.103 R)
• M31: 46,549,621 km (0.116 R)
• M32: 48,523,266 km (0.051 R)
• M33: 54,778,103 km (0.08 R)
• M34: 56,976,892 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 19,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit