🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 10.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.65 AU - 0.81 AU

Year: 438 Days

Day: 5 Hours

Environment

Temp: -150 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,531,733 km

• M1: 130,599 km (0.098 R)
• M2: 460,313 km (0.08 R)
• M3: 813,962 km (0.045 R)
• M4: 1,640,191 km (0.114 R)
• M5: 2,090,481 km (0.114 R)
• M6: 2,422,588 km (0.057 R)
• M7: 3,021,877 km (0.053 R)
• M8: 3,400,060 km (0.038 R)
• M9: 4,013,262 km (0.099 R)
• M10: 4,576,797 km (0.118 R)
• M11: 5,061,794 km (0.06 R)
• M12: 5,426,513 km (0.094 R)
• M13: 5,862,292 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 12.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.73 AU - 1.19 AU

Year: 661 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,531,733 km

• M1: 154,385 km (0.112 R)
• M2: 698,921 km (0.058 R)
• M3: 1,283,400 km (0.061 R)
• M4: 1,902,436 km (0.074 R)
• M5: 3,011,704 km (0.075 R)
• M6: 3,397,966 km (0.103 R)
• M7: 4,070,558 km (0.072 R)
• M8: 4,611,205 km (0.1 R)
• M9: 5,145,419 km (0.086 R)
• M10: 6,014,433 km (0.08 R)
• M11: 6,526,506 km (0.092 R)
• M12: 7,179,202 km (0.072 R)
• M13: 7,803,474 km (0.081 R)
• M14: 8,363,568 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 8.5

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.99 AU - 1.33 AU

Year: 878 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,531,733 km

• M1: 105,766 km (0.104 R)
• M2: 440,416 km (0.036 R)
• M3: 720,314 km (0.095 R)
• M4: 1,241,962 km (0.082 R)
• M5: 1,760,318 km (0.116 R)
• M6: 2,256,684 km (0.091 R)
• M7: 2,595,224 km (0.089 R)
• M8: 3,056,434 km (0.119 R)
• M9: 3,672,179 km (0.052 R)
• M10: 4,286,727 km (0.107 R)
• M11: 4,861,482 km (0.084 R)
• M12: 5,353,659 km (0.114 R)
• M13: 5,641,336 km (0.1 R)
• M14: 5,959,381 km (0.098 R)
• M15: 6,963,930 km (0.09 R)
• M16: 7,283,920 km (0.076 R)
• M17: 7,613,784 km (0.094 R)
• M18: 8,328,712 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 9.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.91 AU - 2.55 AU

Year: 2341 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,531,733 km

• M1: 121,922 km (0.09 R)
• M2: 447,597 km (0.118 R)
• M3: 755,170 km (0.104 R)
• M4: 1,120,638 km (0.088 R)
• M5: 1,626,428 km (0.076 R)
• M6: 2,474,947 km (0.091 R)
• M7: 2,933,165 km (0.101 R)
• M8: 3,287,114 km (0.118 R)
• M9: 3,784,078 km (0.077 R)
• M10: 4,589,812 km (0.057 R)
• M11: 5,022,001 km (0.066 R)
• M12: 6,047,494 km (0.107 R)
• M13: 6,427,921 km (0.106 R)
• M14: 6,999,086 km (0.077 R)
• M15: 7,418,858 km (0.111 R)
• M16: 7,887,099 km (0.061 R)
• M17: 9,162,122 km (0.093 R)
• M18: 13,032,817 km (0.095 R)
• M19: 13,576,904 km (0.069 R)
• M20: 13,901,382 km (0.094 R)
• M21: 15,855,430 km (0.106 R)
• M22: 16,371,243 km (0.087 R)
• M23: 17,382,076 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 13.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.86 AU - 3.1 AU

Year: 2745 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,531,733 km

• M1: 165,455 km (0.104 R)
• M2: 706,252 km (0.101 R)
• M3: 1,395,150 km (0.107 R)
• M4: 2,157,351 km (0.08 R)
• M5: 3,167,735 km (0.076 R)
• M6: 4,632,448 km (0.096 R)
• M7: 6,638,555 km (0.054 R)
• M8: 7,619,020 km (0.03 R)
• M9: 11,936,863 km (0.099 R)
• M10: 12,889,652 km (0.036 R)
• M11: 14,021,659 km (0.103 R)
• M12: 14,902,192 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.5

Radius: 5.9

Gravity: 21.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.57 AU - 9.97 AU

Year: 19839 Days

Day: 21.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,531,733 km

• M1: 74,949 km (0.078 R)
• M2: 384,766 km (0.097 R)
• M3: 638,933 km (0.076 R)
• M4: 991,385 km (0.091 R)
• M5: 1,357,750 km (0.114 R)
• M6: 1,737,579 km (0.113 R)
• M7: 3,965,092 km (0.092 R)
• M8: 4,883,473 km (0.095 R)
• M9: 6,807,451 km (0.079 R)
• M10: 7,761,287 km (0.094 R)
• M11: 11,090,737 km (0.117 R)
• M12: 12,960,561 km (0.085 R)
• M13: 14,493,790 km (0.041 R)
• M14: 15,660,354 km (0.098 R)
• M15: 16,471,922 km (0.077 R)
• M16: 19,534,041 km (0.104 R)
• M17: 26,755,579 km (0.116 R)
• M18: 32,360,563 km (0.113 R)
• M19: 41,850,752 km (0.106 R)
• M20: 42,469,639 km (0.068 R)
• M21: 43,251,886 km (0.106 R)
• M22: 60,389,220 km (0.107 R)
• M23: 61,378,062 km (0.103 R)
• M24: 68,818,012 km (0.105 R)
• M25: 73,648,079 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 14,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit