🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511

Radius: 9.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.54 AU - 1.82 AU

Year: 1503 Days

Day: 6.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,299,632 km

• M1: 120,426 km (0.11 R)
• M2: 548,875 km (0.064 R)
• M3: 869,463 km (0.105 R)
• M4: 1,273,377 km (0.113 R)
• M5: 1,705,416 km (0.081 R)
• M6: 2,245,165 km (0.1 R)
• M7: 2,580,862 km (0.062 R)
• M8: 3,133,477 km (0.098 R)
• M9: 3,666,045 km (0.091 R)
• M10: 4,100,029 km (0.075 R)
• M11: 4,586,521 km (0.088 R)
• M12: 5,131,357 km (0.12 R)
• M13: 5,525,248 km (0.077 R)
• M14: 6,444,377 km (0.098 R)
• M15: 7,002,826 km (0.026 R)
• M16: 7,462,091 km (0.106 R)
• M17: 7,833,094 km (0.107 R)
• M18: 8,272,313 km (0.104 R)
• M19: 9,411,800 km (0.109 R)
• M20: 10,099,053 km (0.116 R)
• M21: 10,785,857 km (0.118 R)
• M22: 12,180,109 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 9.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.34 AU - 3.38 AU

Year: 4251 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,299,632 km

• M1: 115,639 km (0.067 R)
• M2: 481,556 km (0.119 R)
• M3: 903,721 km (0.096 R)
• M4: 1,788,891 km (0.1 R)
• M5: 2,155,556 km (0.075 R)
• M6: 2,556,628 km (0.033 R)
• M7: 2,971,911 km (0.102 R)
• M8: 4,199,063 km (0.073 R)
• M9: 5,986,009 km (0.108 R)
• M10: 6,361,201 km (0.118 R)
• M11: 7,615,280 km (0.066 R)
• M12: 8,407,101 km (0.109 R)
• M13: 8,804,732 km (0.104 R)
• M14: 9,101,684 km (0.117 R)
• M15: 10,899,402 km (0.111 R)
• M16: 11,372,580 km (0.106 R)
• M17: 13,306,431 km (0.106 R)
• M18: 15,024,862 km (0.066 R)
• M19: 15,396,314 km (0.092 R)
• M20: 16,102,266 km (0.055 R)
• M21: 16,491,220 km (0.079 R)
• M22: 18,050,778 km (0.074 R)
• M23: 18,531,137 km (0.115 R)
• M24: 20,023,525 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 11.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.65 AU - 5.36 AU

Year: 7717 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,299,632 km

• M1: 148,102 km (0.091 R)
• M2: 527,033 km (0.079 R)
• M3: 897,438 km (0.12 R)
• M4: 1,292,526 km (0.093 R)
• M5: 2,826,951 km (0.102 R)
• M6: 3,726,034 km (0.118 R)
• M7: 4,242,596 km (0.114 R)
• M8: 4,930,297 km (0.092 R)
• M9: 5,885,928 km (0.072 R)
• M10: 8,739,358 km (0.025 R)
• M11: 9,893,805 km (0.051 R)
• M12: 10,931,116 km (0.071 R)
• M13: 11,812,248 km (0.076 R)
• M14: 16,036,892 km (0.101 R)
• M15: 20,447,336 km (0.036 R)
• M16: 20,842,424 km (0.098 R)
• M17: 24,408,688 km (0.105 R)
• M18: 25,002,891 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.8

Radius: 4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.45 AU - 7.33 AU

Year: 12484 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 88.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,299,632 km

• M1: 51,013 km (0.12 R)
• M2: 187,895 km (0.054 R)
• M3: 467,643 km (0.103 R)
• M4: 891,603 km (0.106 R)
• M5: 3,677,415 km (0.059 R)
• M6: 4,976,672 km (0.102 R)
• M7: 7,427,684 km (0.063 R)
• M8: 10,651,069 km (0.101 R)
• M9: 11,006,364 km (0.115 R)
• M10: 11,554,192 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 7.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8 AU - 8.2 AU

Year: 15913 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,299,632 km

• M1: 93,349 km (0.112 R)
• M2: 347,815 km (0.079 R)
• M3: 1,652,308 km (0.057 R)
• M4: 1,967,212 km (0.083 R)
• M5: 8,567,620 km (0.062 R)
• M6: 13,582,589 km (0.107 R)
• M7: 14,245,158 km (0.102 R)
• M8: 14,865,989 km (0.111 R)
• M9: 17,251,028 km (0.095 R)
• M10: 21,530,275 km (0.045 R)
• M11: 22,430,406 km (0.119 R)
• M12: 26,746,603 km (0.117 R)
• M13: 33,500,498 km (0.109 R)
• M14: 36,861,813 km (0.108 R)
• M15: 39,223,365 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.8

Radius: 6.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10.17 AU - 11.03 AU

Year: 23822 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,299,632 km

• M1: 86,019 km (0.106 R)
• M2: 497,263 km (0.108 R)
• M3: 872,604 km (0.097 R)
• M4: 1,412,653 km (0.119 R)
• M5: 3,452,569 km (0.106 R)
• M6: 6,191,108 km (0.097 R)
• M7: 11,477,149 km (0.109 R)
• M8: 12,054,297 km (0.116 R)
• M9: 12,772,217 km (0.062 R)
• M10: 14,893,366 km (0.115 R)
• M11: 21,502,450 km (0.097 R)
• M12: 22,025,594 km (0.103 R)
• M13: 22,736,034 km (0.075 R)
• M14: 28,560,029 km (0.05 R)
• M15: 29,511,471 km (0.077 R)
• M16: 32,151,574 km (0.104 R)
• M17: 41,143,154 km (0.078 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: 412 - 14,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit