🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 10

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.48 AU - 0.7 AU

Year: 319 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,713,208 km

• M1: 124,615 km (0.107 R)
• M2: 440,566 km (0.105 R)
• M3: 759,060 km (0.12 R)
• M4: 1,510,191 km (0.098 R)
• M5: 1,954,945 km (0.114 R)
• M6: 2,278,076 km (0.076 R)
• M7: 2,795,087 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 11

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.17 AU - 1.39 AU

Year: 1018 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,713,208 km

• M1: 137,630 km (0.057 R)
• M2: 511,176 km (0.087 R)
• M3: 896,390 km (0.114 R)
• M4: 1,239,867 km (0.07 R)
• M5: 1,882,240 km (0.081 R)
• M6: 2,462,231 km (0.096 R)
• M7: 3,638,819 km (0.111 R)
• M8: 5,494,431 km (0.084 R)
• M9: 6,089,232 km (0.119 R)
• M10: 6,573,929 km (0.068 R)
• M11: 7,038,879 km (0.106 R)
• M12: 7,620,815 km (0.104 R)
• M13: 8,009,919 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.5

Radius: 12.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.34 AU - 3.1 AU

Year: 3153 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,713,208 km

• M1: 155,731 km (0.097 R)
• M2: 574,157 km (0.091 R)
• M3: 1,052,271 km (0.08 R)
• M4: 2,089,583 km (0.076 R)
• M5: 2,781,473 km (0.099 R)
• M6: 3,505,377 km (0.097 R)
• M7: 3,902,111 km (0.112 R)
• M8: 4,307,072 km (0.099 R)
• M9: 5,077,801 km (0.091 R)
• M10: 5,562,049 km (0.057 R)
• M11: 6,332,179 km (0.093 R)
• M12: 7,234,703 km (0.068 R)
• M13: 8,084,568 km (0.103 R)
• M14: 11,418,357 km (0.08 R)
• M15: 14,593,123 km (0.056 R)
• M16: 15,208,868 km (0.063 R)
• M17: 15,895,372 km (0.052 R)
• M18: 16,824,225 km (0.055 R)
• M19: 19,396,411 km (0.101 R)
• M20: 20,904,806 km (0.107 R)
• M21: 21,359,135 km (0.107 R)
• M22: 22,761,914 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 7.5

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.1 AU - 7.98 AU

Year: 14553 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,713,208 km

• M1: 93,349 km (0.071 R)
• M2: 354,397 km (0.065 R)
• M3: 627,114 km (0.046 R)
• M4: 1,220,120 km (0.076 R)
• M5: 1,950,008 km (0.11 R)
• M6: 2,283,911 km (0.037 R)
• M7: 2,519,976 km (0.11 R)
• M8: 3,355,480 km (0.053 R)
• M9: 4,141,168 km (0.051 R)
• M10: 5,008,238 km (0.087 R)
• M11: 5,676,042 km (0.115 R)
• M12: 9,108,416 km (0.082 R)
• M13: 9,706,807 km (0.104 R)
• M14: 12,828,466 km (0.099 R)
• M15: 13,098,490 km (0.066 R)
• M16: 14,578,761 km (0.113 R)
• M17: 16,882,120 km (0.11 R)
• M18: 18,460,377 km (0.108 R)
• M19: 19,241,278 km (0.089 R)
• M20: 22,293,374 km (0.1 R)
• M21: 24,498,447 km (0.07 R)
• M22: 25,229,531 km (0.103 R)
• M23: 28,872,987 km (0.115 R)
• M24: 30,161,474 km (0.03 R)
• M25: 31,487,809 km (0.113 R)
• M26: 31,733,149 km (0.068 R)
• M27: 41,290,209 km (0.117 R)
• M28: 43,225,706 km (0.037 R)
• M29: 44,446,425 km (0.098 R)
• M30: 45,220,893 km (0.085 R)
• M31: 46,004,337 km (0.087 R)
• M32: 47,276,517 km (0.105 R)
• M33: 50,896,038 km (0.108 R)
• M34: 55,764,401 km (0.083 R)
• M35: 58,126,701 km (0.109 R)
• M36: 58,495,909 km (0.111 R)
• M37: 62,468,032 km (0.101 R)
• M38: 68,654,652 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.9

Radius: 7.8

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.46 AU - 8.84 AU

Year: 14873 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,713,208 km

• M1: 97,089 km (0.11 R)
• M2: 421,716 km (0.113 R)
• M3: 749,485 km (0.115 R)
• M4: 1,055,563 km (0.092 R)
• M5: 1,490,294 km (0.097 R)
• M6: 1,945,969 km (0.079 R)
• M7: 3,134,973 km (0.092 R)
• M8: 3,399,761 km (0.083 R)
• M9: 3,884,458 km (0.116 R)
• M10: 5,930,508 km (0.105 R)
• M11: 7,623,358 km (0.094 R)
• M12: 8,657,229 km (0.097 R)
• M13: 13,458,572 km (0.11 R)
• M14: 13,948,206 km (0.066 R)
• M15: 14,815,276 km (0.08 R)
• M16: 15,564,761 km (0.088 R)
• M17: 17,058,047 km (0.111 R)
• M18: 19,964,733 km (0.11 R)
• M19: 21,158,375 km (0.058 R)
• M20: 21,440,516 km (0.118 R)
• M21: 23,788,156 km (0.054 R)
• M22: 31,974,151 km (0.115 R)
• M23: 34,376,693 km (0.096 R)
• M24: 38,550,623 km (0.113 R)
• M25: 40,397,259 km (0.113 R)
• M26: 40,686,432 km (0.101 R)
• M27: 44,419,497 km (0.056 R)
• M28: 45,974,418 km (0.064 R)
• M29: 49,688,185 km (0.041 R)
• M30: 54,649,449 km (0.068 R)
• M31: 66,948,338 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814

Radius: 8

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.76 AU - 9.52 AU

Year: 17852 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,713,208 km

• M1: 99,483 km (0.09 R)
• M2: 399,426 km (0.117 R)
• M3: 830,717 km (0.091 R)
• M4: 2,805,259 km (0.044 R)
• M5: 3,727,680 km (0.114 R)
• M6: 4,193,677 km (0.115 R)
• M7: 4,491,526 km (0.12 R)
• M8: 5,667,067 km (0.088 R)
• M9: 6,114,963 km (0.053 R)
• M10: 8,770,624 km (0.069 R)
• M11: 9,938,983 km (0.075 R)
• M12: 11,718,450 km (0.095 R)
• M13: 12,045,321 km (0.07 R)
• M14: 12,445,795 km (0.108 R)
• M15: 12,786,130 km (0.116 R)
• M16: 14,136,700 km (0.067 R)
• M17: 16,869,404 km (0.067 R)
• M18: 18,845,442 km (0.106 R)
• M19: 21,453,232 km (0.037 R)
• M20: 22,140,934 km (0.064 R)
• M21: 22,440,129 km (0.077 R)
• M22: 25,039,542 km (0.093 R)
• M23: 25,691,938 km (0.047 R)
• M24: 27,717,493 km (0.101 R)
• M25: 28,887,648 km (0.112 R)
• M26: 30,090,265 km (0.115 R)
• M27: 31,451,456 km (0.108 R)
• M28: 33,112,441 km (0.079 R)
• M29: 36,608,245 km (0.042 R)
• M30: 38,158,677 km (0.082 R)
• M31: 41,540,935 km (0.109 R)
• M32: 48,558,272 km (0.073 R)
• M33: 51,468,399 km (0.103 R)
• M34: 62,072,495 km (0.08 R)
• M35: 63,869,614 km (0.079 R)
• M36: 72,059,200 km (0.092 R)
• M37: 73,157,248 km (0.133 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: 416 - 20,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit