🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 14.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.47 AU - 0.73 AU

Year: 310 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,128,209 km

• M1: 181,612 km (0.096 R)
• M2: 718,219 km (0.079 R)
• M3: 1,799,662 km (0.062 R)
• M4: 2,317,421 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 12.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.51 AU - 2.19 AU

Year: 1678 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,128,209 km

• M1: 156,779 km (0.099 R)
• M2: 579,692 km (0.091 R)
• M3: 985,551 km (0.084 R)
• M4: 1,393,953 km (0.1 R)
• M5: 3,042,372 km (0.055 R)
• M6: 3,455,860 km (0.086 R)
• M7: 3,983,642 km (0.051 R)
• M8: 4,840,987 km (0.043 R)
• M9: 5,877,850 km (0.094 R)
• M10: 6,567,795 km (0.101 R)
• M11: 7,034,541 km (0.094 R)
• M12: 8,885,665 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 10.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.54 AU - 2.18 AU

Year: 1692 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,128,209 km

• M1: 134,339 km (0.095 R)
• M2: 521,797 km (0.117 R)
• M3: 950,246 km (0.088 R)
• M4: 1,756,429 km (0.12 R)
• M5: 2,294,532 km (0.09 R)
• M6: 2,637,859 km (0.089 R)
• M7: 3,030,853 km (0.108 R)
• M8: 3,581,822 km (0.111 R)
• M9: 4,696,027 km (0.092 R)
• M10: 6,175,849 km (0.026 R)
• M11: 6,688,371 km (0.115 R)
• M12: 7,711,321 km (0.109 R)
• M13: 10,381,494 km (0.111 R)
• M14: 11,444,536 km (0.112 R)
• M15: 12,140,017 km (0.097 R)
• M16: 12,740,802 km (0.113 R)
• M17: 13,615,201 km (0.075 R)
• M18: 14,618,255 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 9.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.17 AU - 3.17 AU

Year: 2909 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,128,209 km

• M1: 116,238 km (0.119 R)
• M2: 411,993 km (0.037 R)
• M3: 764,445 km (0.077 R)
• M4: 1,173,446 km (0.115 R)
• M5: 1,514,529 km (0.072 R)
• M6: 1,827,936 km (0.098 R)
• M7: 2,847,745 km (0.11 R)
• M8: 4,106,312 km (0.093 R)
• M9: 4,791,620 km (0.106 R)
• M10: 6,554,631 km (0.057 R)
• M11: 6,953,309 km (0.063 R)
• M12: 7,398,512 km (0.101 R)
• M13: 9,659,535 km (0.102 R)
• M14: 10,252,092 km (0.119 R)
• M15: 11,591,441 km (0.038 R)
• M16: 12,735,416 km (0.094 R)
• M17: 13,999,369 km (0.106 R)
• M18: 14,613,917 km (0.12 R)
• M19: 17,092,903 km (0.111 R)
• M20: 17,522,698 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 13.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.37 AU - 3.07 AU

Year: 2991 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,128,209 km

• M1: 169,195 km (0.038 R)
• M2: 689,796 km (0.089 R)
• M3: 1,161,328 km (0.054 R)
• M4: 1,696,739 km (0.109 R)
• M5: 2,204,923 km (0.106 R)
• M6: 4,104,068 km (0.076 R)
• M7: 4,754,968 km (0.067 R)
• M8: 5,374,154 km (0.041 R)
• M9: 7,435,762 km (0.062 R)
• M10: 8,440,013 km (0.12 R)
• M11: 9,532,825 km (0.107 R)
• M12: 9,980,422 km (0.104 R)
• M13: 10,678,296 km (0.066 R)
• M14: 17,265,389 km (0.064 R)
• M15: 18,101,492 km (0.083 R)
• M16: 19,199,092 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 11.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.49 AU - 3.01 AU

Year: 3041 Days

Day: 11.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,128,209 km

• M1: 141,968 km (0.118 R)
• M2: 591,360 km (0.116 R)
• M3: 971,189 km (0.117 R)
• M4: 1,436,289 km (0.102 R)
• M5: 2,158,099 km (0.094 R)
• M6: 2,813,637 km (0.094 R)
• M7: 3,290,405 km (0.118 R)
• M8: 3,988,578 km (0.066 R)
• M9: 5,205,408 km (0.1 R)
• M10: 6,040,313 km (0.069 R)
• M11: 6,534,884 km (0.084 R)
• M12: 7,506,372 km (0.069 R)
• M13: 8,113,141 km (0.104 R)
• M14: 8,571,659 km (0.098 R)
• M15: 9,310,672 km (0.053 R)
• M16: 12,327,164 km (0.084 R)
• M17: 15,941,897 km (0.049 R)
• M18: 16,831,855 km (0.101 R)
• M19: 22,534,974 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 11.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.7 AU - 4.12 AU

Year: 4199 Days

Day: 10.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,128,209 km

• M1: 143,016 km (0.052 R)
• M2: 573,259 km (0.114 R)
• M3: 1,395,748 km (0.062 R)
• M4: 1,801,308 km (0.11 R)
• M5: 2,662,393 km (0.107 R)
• M6: 3,080,519 km (0.107 R)
• M7: 3,563,571 km (0.031 R)
• M8: 4,556,452 km (0.111 R)
• M9: 5,104,279 km (0.046 R)
• M10: 5,843,143 km (0.097 R)
• M11: 6,332,328 km (0.052 R)
• M12: 6,948,671 km (0.087 R)
• M13: 7,393,127 km (0.113 R)
• M14: 8,114,039 km (0.105 R)
• M15: 9,040,199 km (0.112 R)
• M16: 10,078,708 km (0.08 R)
• M17: 11,903,054 km (0.061 R)
• M18: 13,461,415 km (0.12 R)
• M19: 14,869,879 km (0.067 R)
• M20: 17,850,766 km (0.101 R)
• M21: 18,817,617 km (0.076 R)
• M22: 26,422,275 km (0.08 R)
• M23: 28,276,690 km (0.103 R)
• M24: 28,797,141 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 13.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.52 AU - 5.26 AU

Year: 6134 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,128,209 km

• M1: 164,109 km (0.105 R)
• M2: 717,322 km (0.098 R)
• M3: 1,145,770 km (0.042 R)
• M4: 3,223,984 km (0.118 R)
• M5: 4,037,796 km (0.085 R)
• M6: 4,840,538 km (0.114 R)
• M7: 6,412,513 km (0.108 R)
• M8: 8,179,563 km (0.066 R)
• M9: 9,922,827 km (0.102 R)
• M10: 11,538,035 km (0.062 R)
• M11: 12,381,468 km (0.094 R)
• M12: 16,893,639 km (0.103 R)
• M13: 17,912,101 km (0.113 R)
• M14: 20,981,700 km (0.041 R)
• M15: 24,131,782 km (0.118 R)
• M16: 25,423,111 km (0.057 R)
• M17: 29,477,064 km (0.108 R)
• M18: 30,455,284 km (0.1 R)
• M19: 31,052,479 km (0.108 R)
• M20: 36,114,721 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 11.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.28 AU - 5.7 AU

Year: 8578 Days

Day: 8.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,128,209 km

• M1: 154,385 km (0.061 R)
• M2: 737,966 km (0.09 R)
• M3: 2,758,435 km (0.116 R)
• M4: 3,378,219 km (0.06 R)
• M5: 3,985,437 km (0.118 R)
• M6: 6,793,987 km (0.108 R)
• M7: 7,845,660 km (0.038 R)
• M8: 8,868,910 km (0.092 R)
• M9: 11,231,509 km (0.033 R)
• M10: 16,344,764 km (0.113 R)
• M11: 17,094,399 km (0.047 R)
• M12: 17,866,623 km (0.058 R)
• M13: 22,495,032 km (0.089 R)
• M14: 24,287,663 km (0.066 R)
• M15: 32,415,764 km (0.11 R)
• M16: 37,789,769 km (0.099 R)
• M17: 39,705,519 km (0.09 R)

Asteroid Belt

Center: 6.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.5

Radius: 5.6

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.38 AU - 7.5 AU

Year: 12192 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,128,209 km

• M1: 71,657 km (0.119 R)
• M2: 301,589 km (0.104 R)
• M3: 581,337 km (0.107 R)
• M4: 895,044 km (0.088 R)
• M5: 2,274,636 km (0.07 R)
• M6: 3,479,796 km (0.075 R)
• M7: 4,626,464 km (0.109 R)
• M8: 4,932,840 km (0.077 R)
• M9: 7,935,269 km (0.118 R)
• M10: 8,600,232 km (0.083 R)
• M11: 16,342,670 km (0.116 R)
• M12: 16,837,988 km (0.109 R)
• M13: 19,151,968 km (0.093 R)
• M14: 20,670,536 km (0.064 R)
• M15: 21,924,615 km (0.05 R)
• M16: 23,854,428 km (0.043 R)
• M17: 24,768,022 km (0.104 R)
• M18: 25,233,421 km (0.101 R)
• M19: 36,285,113 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 11,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit