🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 12.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 8.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,432,250 km

• M1: 151,842 km (0.064 R)
• M2: 707,748 km (0.104 R)
• M3: 1,095,804 km (0.073 R)
• M4: 1,553,574 km (0.093 R)
• M5: 2,331,632 km (0.113 R)
• M6: 3,053,143 km (0.054 R)
• M7: 3,478,450 km (0.085 R)
• M8: 3,881,466 km (0.106 R)
• M9: 4,302,584 km (0.107 R)
• M10: 4,740,158 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 11.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.2 AU - 2.48 AU

Year: 2428 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,432,250 km

• M1: 148,251 km (0.086 R)
• M2: 684,261 km (0.093 R)
• M3: 1,372,860 km (0.081 R)
• M4: 2,006,706 km (0.066 R)
• M5: 2,968,471 km (0.116 R)
• M6: 3,742,939 km (0.042 R)
• M7: 4,124,413 km (0.077 R)
• M8: 4,531,918 km (0.118 R)
• M9: 5,515,524 km (0.084 R)
• M10: 6,415,205 km (0.104 R)
• M11: 7,119,512 km (0.044 R)
• M12: 7,987,030 km (0.115 R)
• M13: 13,017,558 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 14.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.25 AU - 4.39 AU

Year: 6090 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,432,250 km

• M1: 179,069 km (0.054 R)
• M2: 662,868 km (0.067 R)
• M3: 1,206,058 km (0.089 R)
• M4: 1,829,582 km (0.091 R)
• M5: 2,889,932 km (0.029 R)
• M6: 3,548,761 km (0.072 R)
• M7: 4,439,018 km (0.077 R)
• M8: 5,736,330 km (0.088 R)
• M9: 6,202,178 km (0.052 R)
• M10: 10,449,860 km (0.061 R)
• M11: 13,147,409 km (0.065 R)
• M12: 13,815,513 km (0.087 R)
• M13: 15,957,006 km (0.09 R)
• M14: 16,995,216 km (0.079 R)
• M15: 18,311,677 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.8

Radius: 6.8

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.1 AU - 7.3 AU

Year: 13104 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,432,250 km

• M1: 150,795 km (0.114 R)
• M2: 400,623 km (0.104 R)
• M3: 733,030 km (0.094 R)
• M4: 1,019,210 km (0.107 R)
• M5: 1,542,952 km (0.086 R)
• M6: 4,264,587 km (0.115 R)
• M7: 4,885,717 km (0.069 R)
• M8: 10,615,465 km (0.118 R)
• M9: 12,834,600 km (0.088 R)
• M10: 14,333,122 km (0.033 R)
• M11: 18,921,438 km (0.082 R)
• M12: 34,279,305 km (0.111 R)
• M13: 37,008,419 km (0.094 R)
• M14: 38,906,217 km (0.049 R)
• M15: 39,599,454 km (0.041 R)
• M16: 40,725,776 km (0.066 R)
• M17: 42,601,135 km (0.114 R)
• M18: 43,042,000 km (0.11 R)
• M19: 44,684,435 km (0.062 R)
• M20: 53,186,830 km (0.1 R)
• M21: 54,903,316 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.4

Radius: 3.4

Gravity: 75.03 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.62 AU - 9.8 AU

Year: 18957 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,432,250 km

• M1: 42,785 km (0.046 R)
• M2: 284,386 km (0.109 R)
• M3: 716,275 km (0.109 R)
• M4: 842,386 km (0.119 R)
• M5: 1,099,096 km (0.113 R)
• M6: 1,297,762 km (0.116 R)
• M7: 1,841,699 km (0.077 R)
• M8: 1,978,581 km (0.094 R)
• M9: 2,339,412 km (0.106 R)
• M10: 3,135,123 km (0.117 R)
• M11: 3,388,093 km (0.085 R)
• M12: 6,897,659 km (0.043 R)
• M13: 7,325,060 km (0.093 R)
• M14: 8,180,012 km (0.09 R)
• M15: 9,788,488 km (0.111 R)
• M16: 11,334,432 km (0.076 R)
• M17: 11,530,256 km (0.111 R)
• M18: 12,543,333 km (0.061 R)
• M19: 14,059,208 km (0.082 R)
• M20: 18,419,088 km (0.1 R)
• M21: 19,146,882 km (0.065 R)
• M22: 21,147,903 km (0.052 R)
• M23: 25,559,694 km (0.119 R)
• M24: 26,808,836 km (0.113 R)
• M25: 27,389,874 km (0.117 R)
• M26: 28,456,806 km (0.073 R)
• M27: 33,001,889 km (0.118 R)
• M28: 40,234,347 km (0.111 R)
• M29: 41,148,989 km (0.119 R)
• M30: 41,456,861 km (0.112 R)
• M31: 52,682,237 km (0.107 R)
• M32: 58,110,694 km (0.089 R)
• M33: 58,304,274 km (0.093 R)
• M34: 60,859,855 km (0.055 R)
• M35: 65,562,314 km (0.119 R)
• M36: 67,466,396 km (0.073 R)
• M37: 75,221,849 km (0.038 R)
• M38: 75,451,780 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit