🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.6

Radius: 12.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,111,782 km

• M1: 159,322 km (0.111 R)
• M2: 626,067 km (0.111 R)
• M3: 1,026,690 km (0.081 R)
• M4: 1,432,400 km (0.092 R)
• M5: 1,862,194 km (0.116 R)
• M6: 2,464,475 km (0.113 R)
• M7: 2,923,142 km (0.118 R)
• M8: 3,605,159 km (0.096 R)
• M9: 4,548,224 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 14.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.28 AU - 2.1 AU

Year: 1516 Days

Day: 6.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,111,782 km

• M1: 179,218 km (0.075 R)
• M2: 652,247 km (0.101 R)
• M3: 1,305,541 km (0.053 R)
• M4: 2,396,558 km (0.07 R)
• M5: 3,349,347 km (0.116 R)
• M6: 4,861,781 km (0.103 R)
• M7: 8,078,435 km (0.048 R)
• M8: 9,012,973 km (0.054 R)
• M9: 10,273,035 km (0.102 R)
• M10: 10,729,309 km (0.102 R)
• M11: 12,144,355 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168

Radius: 8.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.4 AU - 2 AU

Year: 1530 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,111,782 km

• M1: 106,962 km (0.066 R)
• M2: 431,291 km (0.053 R)
• M3: 739,462 km (0.07 R)
• M4: 1,172,847 km (0.045 R)
• M5: 1,786,498 km (0.11 R)
• M6: 2,434,705 km (0.119 R)
• M7: 2,867,193 km (0.104 R)
• M8: 3,270,509 km (0.119 R)
• M9: 3,555,493 km (0.118 R)
• M10: 4,037,048 km (0.073 R)
• M11: 4,831,712 km (0.09 R)
• M12: 5,669,161 km (0.068 R)
• M13: 5,962,074 km (0.1 R)
• M14: 6,244,814 km (0.109 R)
• M15: 6,946,577 km (0.095 R)
• M16: 7,373,978 km (0.112 R)
• M17: 7,842,668 km (0.109 R)
• M18: 8,481,451 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 13.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.77 AU - 1.99 AU

Year: 1779 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 135.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,111,782 km

• M1: 162,912 km (0.118 R)
• M2: 706,551 km (0.036 R)
• M3: 1,165,816 km (0.108 R)
• M4: 1,820,157 km (0.092 R)
• M5: 2,578,918 km (0.118 R)
• M6: 2,989,115 km (0.086 R)
• M7: 3,459,152 km (0.056 R)
• M8: 5,155,143 km (0.095 R)
• M9: 6,091,625 km (0.094 R)
• M10: 6,501,823 km (0.083 R)
• M11: 6,956,301 km (0.047 R)
• M12: 7,622,610 km (0.104 R)
• M13: 12,437,866 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 14

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.74 AU - 5.34 AU

Year: 6677 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,111,782 km

• M1: 174,132 km (0.109 R)
• M2: 620,083 km (0.055 R)
• M3: 1,178,682 km (0.058 R)
• M4: 1,795,773 km (0.088 R)
• M5: 3,878,175 km (0.109 R)
• M6: 8,723,800 km (0.025 R)
• M7: 11,182,740 km (0.118 R)
• M8: 12,163,504 km (0.059 R)
• M9: 14,522,961 km (0.1 R)
• M10: 16,297,491 km (0.085 R)
• M11: 16,982,949 km (0.071 R)
• M12: 20,487,728 km (0.082 R)
• M13: 24,448,630 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 8.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.16 AU - 6.18 AU

Year: 8114 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,111,782 km

• M1: 105,766 km (0.103 R)
• M2: 676,182 km (0.075 R)
• M3: 957,127 km (0.104 R)
• M4: 1,654,104 km (0.066 R)
• M5: 2,813,637 km (0.12 R)
• M6: 4,755,866 km (0.084 R)
• M7: 5,300,103 km (0.086 R)
• M8: 8,751,625 km (0.12 R)
• M9: 9,154,043 km (0.061 R)
• M10: 9,475,529 km (0.119 R)
• M11: 10,238,628 km (0.037 R)
• M12: 10,635,361 km (0.043 R)
• M13: 12,888,605 km (0.104 R)
• M14: 15,507,016 km (0.101 R)
• M15: 17,390,902 km (0.098 R)
• M16: 18,679,688 km (0.078 R)
• M17: 21,607,318 km (0.117 R)
• M18: 24,650,588 km (0.112 R)
• M19: 25,363,721 km (0.078 R)
• M20: 26,831,126 km (0.097 R)
• M21: 30,439,876 km (0.105 R)
• M22: 31,364,241 km (0.048 R)
• M23: 37,190,779 km (0.116 R)
• M24: 38,010,425 km (0.097 R)
• M25: 40,542,070 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.7

Radius: 7.1

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.49 AU - 6.91 AU

Year: 9393 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,111,782 km

• M1: 88,263 km (0.038 R)
• M2: 608,265 km (0.107 R)
• M3: 1,123,630 km (0.073 R)
• M4: 2,214,497 km (0.082 R)
• M5: 2,502,174 km (0.093 R)
• M6: 3,177,010 km (0.079 R)
• M7: 3,418,910 km (0.108 R)
• M8: 3,751,615 km (0.098 R)
• M9: 4,219,408 km (0.098 R)
• M10: 4,482,401 km (0.045 R)
• M11: 4,945,107 km (0.054 R)
• M12: 5,893,558 km (0.034 R)
• M13: 6,335,320 km (0.037 R)
• M14: 7,038,879 km (0.066 R)
• M15: 8,056,593 km (0.113 R)
• M16: 8,929,347 km (0.118 R)
• M17: 9,413,296 km (0.118 R)
• M18: 11,867,300 km (0.072 R)
• M19: 16,515,904 km (0.069 R)
• M20: 17,692,342 km (0.034 R)
• M21: 18,147,568 km (0.116 R)
• M22: 18,532,932 km (0.061 R)
• M23: 18,845,143 km (0.111 R)
• M24: 19,883,951 km (0.083 R)
• M25: 24,051,298 km (0.101 R)
• M26: 26,931,656 km (0.107 R)
• M27: 34,061,490 km (0.081 R)
• M28: 34,647,914 km (0.112 R)
• M29: 42,353,700 km (0.119 R)
• M30: 44,131,671 km (0.082 R)
• M31: 45,532,655 km (0.12 R)
• M32: 47,689,557 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.3

Radius: 6.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.07 AU - 13.01 AU

Year: 23620 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,111,782 km

• M1: 85,570 km (0.034 R)
• M2: 352,901 km (0.043 R)
• M3: 636,988 km (0.112 R)
• M4: 934,089 km (0.067 R)
• M5: 1,266,496 km (0.087 R)
• M6: 1,514,828 km (0.116 R)
• M7: 2,619,309 km (0.108 R)
• M8: 3,614,883 km (0.091 R)
• M9: 4,537,004 km (0.113 R)
• M10: 6,038,817 km (0.089 R)
• M11: 6,620,005 km (0.081 R)
• M12: 7,421,251 km (0.097 R)
• M13: 7,893,532 km (0.093 R)
• M14: 9,928,362 km (0.058 R)
• M15: 10,327,339 km (0.083 R)
• M16: 12,484,840 km (0.117 R)
• M17: 12,882,770 km (0.079 R)
• M18: 14,055,917 km (0.111 R)
• M19: 14,705,171 km (0.053 R)
• M20: 14,925,828 km (0.114 R)
• M21: 15,831,195 km (0.107 R)
• M22: 20,453,170 km (0.116 R)
• M23: 21,474,475 km (0.078 R)
• M24: 23,719,191 km (0.098 R)
• M25: 25,901,076 km (0.083 R)
• M26: 29,013,759 km (0.042 R)
• M27: 29,711,783 km (0.092 R)
• M28: 30,183,315 km (0.094 R)
• M29: 34,914,497 km (0.073 R)
• M30: 36,371,132 km (0.059 R)
• M31: 39,122,386 km (0.08 R)
• M32: 50,507,532 km (0.117 R)
• M33: 55,334,008 km (0.092 R)
• M34: 56,767,455 km (0.118 R)
• M35: 66,291,454 km (0.073 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 20,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit