🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 12.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,267,985 km

• M1: 157,975 km (0.07 R)
• M2: 595,549 km (0.041 R)
• M3: 1,165,218 km (0.09 R)
• M4: 1,578,108 km (0.109 R)
• M5: 2,152,414 km (0.118 R)
• M6: 2,941,393 km (0.03 R)
• M7: 3,681,604 km (0.102 R)
• M8: 4,120,973 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 9.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.9 AU - 2.28 AU

Year: 2049 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,267,985 km

• M1: 121,922 km (0.057 R)
• M2: 461,809 km (0.044 R)
• M3: 823,237 km (0.063 R)
• M4: 2,044,105 km (0.108 R)
• M5: 2,598,365 km (0.075 R)
• M6: 2,968,471 km (0.064 R)
• M7: 3,358,173 km (0.064 R)
• M8: 4,446,498 km (0.077 R)
• M9: 4,797,005 km (0.105 R)
• M10: 5,250,436 km (0.063 R)
• M11: 5,642,532 km (0.116 R)
• M12: 6,412,363 km (0.087 R)
• M13: 8,837,943 km (0.072 R)
• M14: 11,203,684 km (0.055 R)
• M15: 11,855,332 km (0.032 R)
• M16: 12,493,816 km (0.048 R)
• M17: 12,958,168 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.7

Radius: 13.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.95 AU - 2.83 AU

Year: 2506 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,267,985 km

• M1: 162,912 km (0.118 R)
• M2: 609,013 km (0.103 R)
• M3: 1,083,986 km (0.094 R)
• M4: 1,552,527 km (0.104 R)
• M5: 2,093,173 km (0.11 R)
• M6: 3,342,615 km (0.114 R)
• M7: 3,888,198 km (0.098 R)
• M8: 4,922,518 km (0.072 R)
• M9: 6,241,672 km (0.106 R)
• M10: 6,691,812 km (0.063 R)
• M11: 7,284,968 km (0.105 R)
• M12: 7,977,905 km (0.107 R)
• M13: 10,016,625 km (0.07 R)
• M14: 11,362,108 km (0.109 R)
• M15: 13,050,170 km (0.113 R)
• M16: 13,978,126 km (0.101 R)
• M17: 20,371,490 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.9

Radius: 13.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.69 AU - 3.69 AU

Year: 3864 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,267,985 km

• M1: 164,109 km (0.097 R)
• M2: 761,304 km (0.095 R)
• M3: 1,626,129 km (0.119 R)
• M4: 2,129,675 km (0.106 R)
• M5: 2,766,962 km (0.107 R)
• M6: 3,188,679 km (0.074 R)
• M7: 3,837,335 km (0.111 R)
• M8: 4,896,638 km (0.087 R)
• M9: 6,039,416 km (0.034 R)
• M10: 7,382,206 km (0.093 R)
• M11: 8,553,857 km (0.108 R)
• M12: 10,097,557 km (0.031 R)
• M13: 11,070,242 km (0.115 R)
• M14: 11,500,187 km (0.062 R)
• M15: 12,104,562 km (0.101 R)
• M16: 13,641,531 km (0.08 R)
• M17: 14,736,288 km (0.072 R)
• M18: 15,643,898 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.9

Radius: 4.2

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.9 AU - 6.64 AU

Year: 9401 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,267,985 km

• M1: 52,210 km (0.09 R)
• M2: 192,682 km (0.078 R)
• M3: 488,736 km (0.095 R)
• M4: 638,633 km (0.039 R)
• M5: 771,177 km (0.114 R)
• M6: 1,319,752 km (0.084 R)
• M7: 2,443,681 km (0.107 R)
• M8: 3,751,017 km (0.093 R)
• M9: 4,189,638 km (0.036 R)
• M10: 4,854,301 km (0.103 R)
• M11: 6,491,201 km (0.081 R)
• M12: 6,766,611 km (0.082 R)
• M13: 8,024,879 km (0.1 R)
• M14: 9,695,438 km (0.08 R)
• M15: 10,055,370 km (0.053 R)
• M16: 10,377,455 km (0.032 R)
• M17: 10,801,714 km (0.088 R)
• M18: 12,351,847 km (0.064 R)
• M19: 12,721,354 km (0.105 R)
• M20: 14,331,027 km (0.083 R)
• M21: 16,071,449 km (0.043 R)
• M22: 17,614,551 km (0.105 R)
• M23: 18,490,147 km (0.112 R)
• M24: 18,627,478 km (0.063 R)
• M25: 18,904,085 km (0.115 R)
• M26: 22,595,711 km (0.095 R)
• M27: 22,910,166 km (0.039 R)
• M28: 24,942,752 km (0.057 R)
• M29: 29,830,863 km (0.103 R)
• M30: 31,169,764 km (0.108 R)
• M31: 32,448,377 km (0.102 R)
• M32: 34,069,569 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.5

Radius: 7.1

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.27 AU - 10.31 AU

Year: 19205 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,267,985 km

• M1: 94,845 km (0.118 R)
• M2: 766,390 km (0.098 R)
• M3: 3,156,515 km (0.065 R)
• M4: 4,271,917 km (0.053 R)
• M5: 5,747,401 km (0.087 R)
• M6: 7,022,722 km (0.048 R)
• M7: 7,872,887 km (0.065 R)
• M8: 16,877,931 km (0.094 R)
• M9: 18,136,647 km (0.114 R)
• M10: 21,123,967 km (0.077 R)
• M11: 21,992,233 km (0.042 R)
• M12: 24,528,964 km (0.106 R)
• M13: 35,675,651 km (0.098 R)
• M14: 42,716,924 km (0.103 R)
• M15: 46,319,690 km (0.103 R)
• M16: 49,444,639 km (0.092 R)
• M17: 58,898,926 km (0.08 R)
• M18: 61,194,954 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 17,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit