🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 11.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.06 AU - 1.66 AU

Year: 1095 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,304,043 km

• M1: 140,472 km (0.099 R)
• M2: 498,759 km (0.109 R)
• M3: 901,776 km (0.104 R)
• M4: 1,481,617 km (0.11 R)
• M5: 2,024,807 km (0.101 R)
• M6: 2,504,717 km (0.108 R)
• M7: 3,183,293 km (0.085 R)
• M8: 3,852,295 km (0.049 R)
• M9: 5,905,974 km (0.073 R)
• M10: 9,782,055 km (0.119 R)
• M11: 10,741,426 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 12.4

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.37 AU - 1.37 AU

Year: 1107 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,304,043 km

• M1: 154,235 km (0.093 R)
• M2: 570,417 km (0.061 R)
• M3: 975,977 km (0.106 R)
• M4: 1,409,212 km (0.106 R)
• M5: 2,014,186 km (0.109 R)
• M6: 2,658,953 km (0.051 R)
• M7: 3,114,927 km (0.026 R)
• M8: 3,702,398 km (0.096 R)
• M9: 4,186,347 km (0.07 R)
• M10: 4,693,633 km (0.105 R)
• M11: 5,201,219 km (0.03 R)
• M12: 7,426,936 km (0.089 R)
• M13: 7,820,677 km (0.097 R)
• M14: 8,256,157 km (0.117 R)
• M15: 8,794,260 km (0.069 R)
• M16: 9,784,449 km (0.071 R)
• M17: 10,387,478 km (0.111 R)
• M18: 11,390,083 km (0.108 R)
• M19: 12,057,738 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 8.5

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.65 AU - 2.43 AU

Year: 2011 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,304,043 km

• M1: 105,766 km (0.052 R)
• M2: 381,923 km (0.066 R)
• M3: 785,838 km (0.08 R)
• M4: 1,203,365 km (0.073 R)
• M5: 1,794,277 km (0.083 R)
• M6: 2,082,253 km (0.106 R)
• M7: 2,618,860 km (0.061 R)
• M8: 3,827,611 km (0.075 R)
• M9: 4,633,046 km (0.117 R)
• M10: 4,952,587 km (0.076 R)
• M11: 5,329,574 km (0.119 R)
• M12: 6,141,142 km (0.098 R)
• M13: 6,429,268 km (0.056 R)
• M14: 6,929,523 km (0.05 R)
• M15: 7,348,247 km (0.115 R)
• M16: 8,498,655 km (0.064 R)
• M17: 8,887,460 km (0.037 R)
• M18: 9,604,183 km (0.079 R)
• M19: 12,475,415 km (0.078 R)
• M20: 13,253,923 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894

Radius: 12

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.07 AU - 2.43 AU

Year: 2330 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,304,043 km

• M1: 150,196 km (0.112 R)
• M2: 600,037 km (0.052 R)
• M3: 978,819 km (0.099 R)
• M4: 1,991,148 km (0.047 R)
• M5: 2,367,087 km (0.035 R)
• M6: 4,150,743 km (0.078 R)
• M7: 5,189,101 km (0.074 R)
• M8: 6,475,793 km (0.056 R)
• M9: 7,743,485 km (0.045 R)
• M10: 9,100,188 km (0.108 R)
• M11: 9,780,260 km (0.118 R)
• M12: 10,378,801 km (0.041 R)
• M13: 11,363,155 km (0.104 R)
• M14: 12,408,545 km (0.072 R)
• M15: 13,290,125 km (0.117 R)
• M16: 13,792,624 km (0.114 R)
• M17: 14,307,690 km (0.119 R)
• M18: 15,930,378 km (0.102 R)
• M19: 16,865,664 km (0.104 R)
• M20: 17,947,257 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 11.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.71 AU - 2.93 AU

Year: 3269 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,304,043 km

• M1: 144,212 km (0.115 R)
• M2: 547,678 km (0.037 R)
• M3: 981,512 km (0.082 R)
• M4: 1,731,745 km (0.109 R)
• M5: 2,115,314 km (0.101 R)
• M6: 2,883,948 km (0.093 R)
• M7: 4,679,421 km (0.096 R)
• M8: 5,435,190 km (0.087 R)
• M9: 6,097,011 km (0.103 R)
• M10: 6,507,507 km (0.09 R)
• M11: 7,030,651 km (0.105 R)
• M12: 8,697,321 km (0.091 R)
• M13: 9,180,672 km (0.082 R)
• M14: 10,201,228 km (0.078 R)
• M15: 11,036,583 km (0.064 R)
• M16: 12,052,951 km (0.057 R)
• M17: 13,130,654 km (0.113 R)
• M18: 15,209,616 km (0.065 R)
• M19: 20,010,062 km (0.108 R)
• M20: 20,461,548 km (0.116 R)
• M21: 21,586,374 km (0.117 R)
• M22: 23,102,549 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 14.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.35 AU - 3.53 AU

Year: 3480 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,304,043 km

• M1: 184,903 km (0.115 R)
• M2: 965,355 km (0.09 R)
• M3: 2,067,592 km (0.109 R)
• M4: 2,763,671 km (0.101 R)
• M5: 3,324,214 km (0.089 R)
• M6: 5,067,478 km (0.101 R)
• M7: 5,639,840 km (0.104 R)
• M8: 6,226,413 km (0.076 R)
• M9: 8,026,674 km (0.119 R)
• M10: 10,032,332 km (0.1 R)
• M11: 11,195,157 km (0.112 R)
• M12: 12,725,842 km (0.037 R)
• M13: 13,837,953 km (0.093 R)
• M14: 24,010,608 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.85 AU - 5.47 AU

Year: 8091 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,304,043 km

• M1: 169,345 km (0.118 R)
• M2: 1,022,651 km (0.041 R)
• M3: 1,688,810 km (0.05 R)
• M4: 2,776,088 km (0.088 R)
• M5: 4,126,657 km (0.117 R)
• M6: 5,332,117 km (0.118 R)
• M7: 9,090,165 km (0.092 R)
• M8: 9,987,453 km (0.067 R)
• M9: 11,509,462 km (0.084 R)
• M10: 15,008,406 km (0.075 R)
• M11: 16,317,238 km (0.12 R)
• M12: 16,827,217 km (0.083 R)
• M13: 17,347,668 km (0.111 R)
• M14: 18,239,122 km (0.064 R)
• M15: 22,737,680 km (0.118 R)
• M16: 23,733,104 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.4

Radius: 4.6

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.68 AU - 11.02 AU

Year: 18173 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,304,043 km

• M1: 57,745 km (0.08 R)
• M2: 358,736 km (0.108 R)
• M3: 718,070 km (0.1 R)
• M4: 995,275 km (0.116 R)
• M5: 1,438,982 km (0.102 R)
• M6: 3,173,719 km (0.095 R)
• M7: 3,776,299 km (0.101 R)
• M8: 4,238,257 km (0.11 R)
• M9: 4,736,867 km (0.098 R)
• M10: 7,740,792 km (0.112 R)
• M11: 18,057,510 km (0.106 R)
• M12: 18,863,244 km (0.101 R)
• M13: 19,441,440 km (0.084 R)
• M14: 20,116,575 km (0.066 R)
• M15: 22,787,944 km (0.103 R)
• M16: 23,633,172 km (0.08 R)
• M17: 24,208,227 km (0.089 R)
• M18: 24,499,194 km (0.102 R)
• M19: 27,119,401 km (0.069 R)
• M20: 27,328,389 km (0.045 R)
• M21: 28,713,067 km (0.072 R)
• M22: 32,319,274 km (0.109 R)
• M23: 33,987,589 km (0.05 R)
• M24: 52,304,801 km (0.09 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: 490 - 16,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit