🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 11.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.74 AU - 0.98 AU

Year: 532 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,878,805 km

• M1: 141,819 km (0.069 R)
• M2: 518,656 km (0.085 R)
• M3: 906,114 km (0.098 R)
• M4: 1,322,595 km (0.107 R)
• M5: 1,692,850 km (0.103 R)
• M6: 2,090,181 km (0.045 R)
• M7: 2,511,000 km (0.107 R)
• M8: 3,440,003 km (0.094 R)
• M9: 5,220,966 km (0.113 R)
• M10: 5,637,147 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 12.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.17 AU - 1.23 AU

Year: 877 Days

Day: 14 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,878,805 km

• M1: 155,133 km (0.09 R)
• M2: 558,000 km (0.106 R)
• M3: 980,464 km (0.062 R)
• M4: 1,454,390 km (0.119 R)
• M5: 1,904,082 km (0.103 R)
• M6: 3,102,361 km (0.069 R)
• M7: 3,571,948 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 14.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.2 AU - 3.2 AU

Year: 3817 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,878,805 km

• M1: 179,069 km (0.065 R)
• M2: 683,961 km (0.086 R)
• M3: 1,188,555 km (0.064 R)
• M4: 1,940,883 km (0.055 R)
• M5: 4,389,800 km (0.064 R)
• M6: 5,771,037 km (0.056 R)
• M7: 7,032,745 km (0.081 R)
• M8: 9,914,748 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 9.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.17 AU - 4.19 AU

Year: 5699 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,878,805 km

• M1: 117,434 km (0.094 R)
• M2: 403,615 km (0.118 R)
• M3: 703,858 km (0.091 R)
• M4: 1,073,066 km (0.079 R)
• M5: 1,396,646 km (0.04 R)
• M6: 1,913,806 km (0.097 R)
• M7: 2,459,090 km (0.076 R)
• M8: 2,802,866 km (0.081 R)
• M9: 3,216,205 km (0.067 R)
• M10: 3,649,440 km (0.071 R)
• M11: 4,904,566 km (0.098 R)
• M12: 5,372,060 km (0.099 R)
• M13: 5,672,153 km (0.108 R)
• M14: 6,487,012 km (0.11 R)
• M15: 7,018,683 km (0.067 R)
• M16: 8,312,256 km (0.046 R)
• M17: 11,231,808 km (0.115 R)
• M18: 11,861,017 km (0.046 R)
• M19: 12,277,796 km (0.088 R)
• M20: 12,608,557 km (0.08 R)
• M21: 13,940,876 km (0.105 R)
• M22: 14,562,156 km (0.118 R)
• M23: 15,093,976 km (0.114 R)
• M24: 17,529,430 km (0.081 R)
• M25: 20,215,459 km (0.088 R)
• M26: 25,844,379 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 13

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.48 AU - 5.04 AU

Year: 5863 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 88.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,878,805 km

• M1: 178,919 km (0.04 R)
• M2: 593,006 km (0.119 R)
• M3: 1,242,859 km (0.093 R)
• M4: 2,204,175 km (0.074 R)
• M5: 3,005,272 km (0.117 R)
• M6: 3,969,579 km (0.117 R)
• M7: 5,021,103 km (0.077 R)
• M8: 5,910,462 km (0.113 R)
• M9: 7,780,286 km (0.096 R)
• M10: 8,342,176 km (0.114 R)
• M11: 11,472,810 km (0.053 R)
• M12: 14,297,517 km (0.093 R)
• M13: 15,664,543 km (0.094 R)
• M14: 16,807,321 km (0.078 R)
• M15: 17,876,198 km (0.067 R)
• M16: 18,723,669 km (0.073 R)
• M17: 25,262,293 km (0.097 R)
• M18: 26,580,250 km (0.071 R)
• M19: 27,770,601 km (0.044 R)
• M20: 30,257,665 km (0.097 R)
• M21: 30,901,834 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.1

Radius: 3.2

Gravity: 39.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.83 AU - 7.05 AU

Year: 12192 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,878,805 km

• M1: 50,714 km (0.118 R)
• M2: 168,298 km (0.054 R)
• M3: 369,357 km (0.084 R)
• M4: 673,490 km (0.096 R)
• M5: 942,018 km (0.109 R)
• M6: 1,067,830 km (0.111 R)
• M7: 1,192,893 km (0.099 R)
• M8: 1,458,878 km (0.117 R)
• M9: 1,747,752 km (0.073 R)
• M10: 1,857,407 km (0.082 R)
• M11: 2,635,316 km (0.104 R)
• M12: 2,929,725 km (0.066 R)
• M13: 3,039,978 km (0.066 R)
• M14: 3,175,963 km (0.093 R)
• M15: 3,838,981 km (0.084 R)
• M16: 4,589,513 km (0.077 R)
• M17: 5,236,973 km (0.076 R)
• M18: 9,842,343 km (0.105 R)
• M19: 10,342,449 km (0.082 R)
• M20: 10,859,160 km (0.089 R)
• M21: 11,070,542 km (0.061 R)
• M22: 12,862,126 km (0.116 R)
• M23: 12,980,158 km (0.077 R)
• M24: 13,764,799 km (0.099 R)
• M25: 14,838,014 km (0.111 R)
• M26: 19,147,031 km (0.11 R)
• M27: 22,554,572 km (0.118 R)
• M28: 28,389,786 km (0.106 R)
• M29: 30,224,903 km (0.058 R)
• M30: 32,792,601 km (0.074 R)
• M31: 40,216,246 km (0.112 R)
• M32: 43,051,126 km (0.079 R)
• M33: 43,447,859 km (0.111 R)
• M34: 44,652,272 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 15,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit