🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 13.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.33 AU

Year: 745 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,719,936 km

• M1: 164,558 km (0.107 R)
• M2: 586,573 km (0.07 R)
• M3: 1,563,298 km (0.074 R)
• M4: 2,000,722 km (0.064 R)
• M5: 2,568,446 km (0.1 R)
• M6: 3,220,094 km (0.042 R)
• M7: 3,689,383 km (0.105 R)
• M8: 5,317,008 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 10.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.17 AU - 1.73 AU

Year: 1127 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,719,936 km

• M1: 133,142 km (0.064 R)
• M2: 665,262 km (0.108 R)
• M3: 1,108,371 km (0.052 R)
• M4: 1,581,848 km (0.094 R)
• M5: 2,012,989 km (0.06 R)
• M6: 2,418,399 km (0.096 R)
• M7: 2,943,039 km (0.074 R)
• M8: 4,690,641 km (0.056 R)
• M9: 5,136,742 km (0.025 R)
• M10: 5,651,957 km (0.094 R)
• M11: 6,647,830 km (0.078 R)
• M12: 7,681,103 km (0.093 R)
• M13: 8,065,719 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 12

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.17 AU - 2.63 AU

Year: 2401 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,719,936 km

• M1: 149,299 km (0.109 R)
• M2: 678,426 km (0.065 R)
• M3: 1,982,920 km (0.047 R)
• M4: 2,969,667 km (0.1 R)
• M5: 4,077,589 km (0.081 R)
• M6: 4,814,957 km (0.093 R)
• M7: 5,204,211 km (0.108 R)
• M8: 6,694,206 km (0.096 R)
• M9: 7,298,431 km (0.039 R)
• M10: 8,033,256 km (0.079 R)
• M11: 10,498,031 km (0.119 R)
• M12: 13,474,430 km (0.062 R)
• M13: 14,158,840 km (0.114 R)
• M14: 14,962,330 km (0.119 R)
• M15: 17,502,352 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 11.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.21 AU - 2.77 AU

Year: 2537 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,719,936 km

• M1: 147,204 km (0.044 R)
• M2: 560,992 km (0.049 R)
• M3: 1,490,144 km (0.055 R)
• M4: 2,043,956 km (0.081 R)
• M5: 2,671,968 km (0.081 R)
• M6: 3,354,283 km (0.093 R)
• M7: 6,775,138 km (0.106 R)
• M8: 7,331,193 km (0.109 R)
• M9: 9,503,504 km (0.075 R)
• M10: 10,352,472 km (0.11 R)
• M11: 10,854,373 km (0.038 R)
• M12: 11,823,468 km (0.081 R)
• M13: 13,339,044 km (0.1 R)
• M14: 14,980,581 km (0.116 R)
• M15: 15,573,138 km (0.089 R)
• M16: 19,347,044 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 3.6

Gravity: 72.52 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.5 AU - 9.78 AU

Year: 16398 Days

Day: 16.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,719,936 km

• M1: 44,730 km (0.119 R)
• M2: 192,832 km (0.099 R)
• M3: 421,417 km (0.086 R)
• M4: 854,653 km (0.105 R)
• M5: 1,055,263 km (0.114 R)
• M6: 1,422,227 km (0.115 R)
• M7: 1,617,901 km (0.061 R)
• M8: 2,271,344 km (0.098 R)
• M9: 4,042,583 km (0.092 R)
• M10: 4,469,386 km (0.116 R)
• M11: 4,606,567 km (0.119 R)
• M12: 5,109,066 km (0.107 R)
• M13: 12,494,564 km (0.102 R)
• M14: 14,189,956 km (0.072 R)
• M15: 14,337,909 km (0.117 R)
• M16: 15,324,207 km (0.099 R)
• M17: 18,907,824 km (0.107 R)
• M18: 20,940,411 km (0.1 R)
• M19: 21,324,877 km (0.103 R)
• M20: 21,518,906 km (0.116 R)
• M21: 22,009,288 km (0.087 R)
• M22: 24,149,883 km (0.098 R)
• M23: 24,893,086 km (0.068 R)
• M24: 29,315,348 km (0.086 R)
• M25: 33,443,502 km (0.067 R)
• M26: 36,400,603 km (0.098 R)
• M27: 38,084,776 km (0.096 R)
• M28: 42,674,588 km (0.068 R)
• M29: 44,862,905 km (0.092 R)
• M30: 45,181,549 km (0.095 R)
• M31: 49,123,453 km (0.087 R)
• M32: 49,292,498 km (0.111 R)
• M33: 51,177,581 km (0.086 R)
• M34: 55,091,061 km (0.093 R)
• M35: 55,273,421 km (0.088 R)
• M36: 56,191,952 km (0.091 R)
• M37: 59,390,654 km (0.062 R)
• M38: 61,917,063 km (0.042 R)
• M39: 62,312,001 km (0.077 R)
• M40: 72,083,136 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855

Radius: 3.4

Gravity: 73.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.83 AU - 12.81 AU

Year: 21406 Days

Day: 18.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,719,936 km

• M1: 42,336 km (0.072 R)
• M2: 159,471 km (0.092 R)
• M3: 331,509 km (0.11 R)
• M4: 1,197,381 km (0.072 R)
• M5: 1,843,644 km (0.112 R)
• M6: 2,355,568 km (0.105 R)
• M7: 3,234,605 km (0.058 R)
• M8: 3,380,164 km (0.117 R)
• M9: 3,811,006 km (0.103 R)
• M10: 5,566,836 km (0.102 R)
• M11: 6,854,275 km (0.104 R)
• M12: 7,046,060 km (0.113 R)
• M13: 7,592,242 km (0.099 R)
• M14: 9,696,336 km (0.082 R)
• M15: 11,340,715 km (0.05 R)
• M16: 11,813,445 km (0.098 R)
• M17: 12,511,020 km (0.095 R)
• M18: 14,141,936 km (0.037 R)
• M19: 19,874,526 km (0.097 R)
• M20: 26,042,446 km (0.05 R)
• M21: 26,275,220 km (0.074 R)
• M22: 26,863,439 km (0.106 R)
• M23: 28,188,128 km (0.074 R)
• M24: 35,899,151 km (0.059 R)
• M25: 43,417,640 km (0.043 R)
• M26: 49,922,305 km (0.101 R)
• M27: 51,552,623 km (0.066 R)
• M28: 52,473,548 km (0.104 R)
• M29: 53,031,398 km (0.1 R)
• M30: 60,646,229 km (0.045 R)
• M31: 63,337,794 km (0.094 R)
• M32: 64,181,675 km (0.106 R)
• M33: 73,500,127 km (0.073 R)
• M34: 77,996,440 km (0.104 R)
• M35: 79,943,157 km (0.075 R)
• M36: 81,672,808 km (0.109 R)
• M37: 82,672,421 km (0.064 R)
• M38: 84,951,096 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 19,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit