🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 11.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.8 AU - 0.9 AU

Year: 506 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,665,403 km

• M1: 139,276 km (0.12 R)
• M2: 489,185 km (0.071 R)
• M3: 839,693 km (0.085 R)
• M4: 1,854,116 km (0.074 R)
• M5: 2,293,635 km (0.054 R)
• M6: 2,996,146 km (0.108 R)
• M7: 3,360,567 km (0.079 R)
• M8: 3,892,686 km (0.118 R)
• M9: 4,542,390 km (0.117 R)
• M10: 5,245,799 km (0.066 R)
• M11: 5,633,108 km (0.118 R)
• M12: 6,485,217 km (0.065 R)
• M13: 6,869,833 km (0.118 R)
• M14: 7,334,335 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 13.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.01 AU - 1.45 AU

Year: 881 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,665,403 km

• M1: 169,195 km (0.105 R)
• M2: 722,259 km (0.101 R)
• M3: 1,615,956 km (0.072 R)
• M4: 2,182,783 km (0.116 R)
• M5: 3,251,510 km (0.049 R)
• M6: 4,030,466 km (0.039 R)
• M7: 5,104,878 km (0.113 R)
• M8: 5,863,489 km (0.109 R)
• M9: 6,867,440 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 14

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.63 AU - 2.57 AU

Year: 1965 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,665,403 km

• M1: 178,321 km (0.039 R)
• M2: 675,584 km (0.07 R)
• M3: 1,145,172 km (0.089 R)
• M4: 1,750,594 km (0.103 R)
• M5: 2,426,029 km (0.067 R)
• M6: 3,117,470 km (0.09 R)
• M7: 4,185,449 km (0.117 R)
• M8: 4,841,885 km (0.097 R)
• M9: 5,669,759 km (0.112 R)
• M10: 7,062,067 km (0.103 R)
• M11: 7,864,809 km (0.118 R)
• M12: 8,839,738 km (0.1 R)
• M13: 10,015,877 km (0.108 R)
• M14: 10,834,775 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 12.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.2 AU - 2.66 AU

Year: 2446 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,665,403 km

• M1: 150,495 km (0.059 R)
• M2: 546,032 km (0.103 R)
• M3: 986,448 km (0.118 R)
• M4: 1,530,386 km (0.114 R)
• M5: 2,457,295 km (0.067 R)
• M6: 2,994,052 km (0.105 R)
• M7: 4,756,913 km (0.117 R)
• M8: 5,218,572 km (0.115 R)
• M9: 6,281,615 km (0.088 R)
• M10: 6,996,244 km (0.075 R)
• M11: 7,400,906 km (0.081 R)
• M12: 10,202,126 km (0.101 R)
• M13: 11,153,868 km (0.106 R)
• M14: 13,562,393 km (0.113 R)
• M15: 14,150,911 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 13.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.94 AU - 3.78 AU

Year: 3977 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,665,403 km

• M1: 168,597 km (0.115 R)
• M2: 623,524 km (0.096 R)
• M3: 1,099,395 km (0.104 R)
• M4: 2,690,817 km (0.091 R)
• M5: 3,626,402 km (0.075 R)
• M6: 4,181,709 km (0.08 R)
• M7: 5,491,289 km (0.05 R)
• M8: 7,058,626 km (0.079 R)
• M9: 9,096,448 km (0.09 R)
• M10: 10,543,957 km (0.109 R)
• M11: 11,411,774 km (0.093 R)
• M12: 13,942,671 km (0.115 R)
• M13: 17,831,468 km (0.086 R)
• M14: 22,390,762 km (0.032 R)
• M15: 24,712,970 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.2

Radius: 5.5

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.89 AU - 11.23 AU

Year: 17608 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,665,403 km

• M1: 68,366 km (0.119 R)
• M2: 320,887 km (0.105 R)
• M3: 623,075 km (0.078 R)
• M4: 1,042,996 km (0.092 R)
• M5: 1,228,348 km (0.119 R)
• M6: 1,435,840 km (0.096 R)
• M7: 2,145,233 km (0.095 R)
• M8: 3,241,038 km (0.031 R)
• M9: 3,612,938 km (0.077 R)
• M10: 5,002,702 km (0.074 R)
• M11: 5,499,367 km (0.081 R)
• M12: 6,385,735 km (0.085 R)
• M13: 8,634,490 km (0.073 R)
• M14: 8,986,494 km (0.042 R)
• M15: 11,481,936 km (0.086 R)
• M16: 12,470,329 km (0.101 R)
• M17: 15,478,892 km (0.102 R)
• M18: 17,867,521 km (0.066 R)
• M19: 20,579,730 km (0.05 R)
• M20: 22,313,570 km (0.112 R)
• M21: 25,757,911 km (0.095 R)
• M22: 29,315,199 km (0.098 R)
• M23: 29,881,277 km (0.084 R)
• M24: 31,152,261 km (0.096 R)
• M25: 31,387,129 km (0.114 R)
• M26: 32,700,150 km (0.041 R)
• M27: 43,223,612 km (0.108 R)
• M28: 44,698,049 km (0.093 R)
• M29: 49,641,211 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.3

Radius: 6.6

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.35 AU - 11.35 AU

Year: 19960 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,665,403 km

• M1: 99,183 km (0.044 R)
• M2: 664,514 km (0.09 R)
• M3: 1,021,454 km (0.076 R)
• M4: 1,266,645 km (0.078 R)
• M5: 2,017,028 km (0.071 R)
• M6: 2,293,934 km (0.095 R)
• M7: 2,669,724 km (0.115 R)
• M8: 4,419,719 km (0.081 R)
• M9: 4,814,807 km (0.114 R)
• M10: 5,391,358 km (0.028 R)
• M11: 7,057,429 km (0.101 R)
• M12: 7,851,943 km (0.095 R)
• M13: 8,649,599 km (0.072 R)
• M14: 12,176,818 km (0.084 R)
• M15: 14,140,440 km (0.028 R)
• M16: 17,777,463 km (0.038 R)
• M17: 18,775,430 km (0.103 R)
• M18: 22,302,499 km (0.113 R)
• M19: 23,462,481 km (0.079 R)
• M20: 24,221,391 km (0.047 R)
• M21: 28,628,395 km (0.082 R)
• M22: 29,997,515 km (0.09 R)
• M23: 34,227,394 km (0.117 R)
• M24: 34,504,300 km (0.077 R)
• M25: 35,626,583 km (0.108 R)
• M26: 36,484,228 km (0.037 R)
• M27: 37,944,004 km (0.11 R)
• M28: 40,979,794 km (0.099 R)
• M29: 46,335,996 km (0.038 R)
• M30: 53,991,068 km (0.105 R)
• M31: 55,121,879 km (0.104 R)
• M32: 62,241,092 km (0.109 R)
• M33: 64,111,963 km (0.118 R)
• M34: 71,292,660 km (0.062 R)
• M35: 76,602,487 km (0.088 R)
• M36: 78,749,965 km (0.1 R)
• M37: 81,675,351 km (0.106 R)
• M38: 83,164,897 km (0.026 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 15,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit