🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.1

Radius: 10.2

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,553,188 km

• M1: 129,103 km (0.115 R)
• M2: 470,635 km (0.11 R)
• M3: 799,301 km (0.109 R)
• M4: 1,169,556 km (0.104 R)
• M5: 1,606,382 km (0.109 R)
• M6: 2,057,420 km (0.074 R)
• M7: 2,391,771 km (0.06 R)
• M8: 2,711,611 km (0.081 R)
• M9: 3,462,892 km (0.078 R)
• M10: 3,849,004 km (0.054 R)
• M11: 4,503,644 km (0.098 R)
• M12: 4,888,260 km (0.09 R)
• M13: 5,523,004 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 12.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.69 AU - 2.21 AU

Year: 1880 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,553,188 km

• M1: 150,795 km (0.1 R)
• M2: 742,454 km (0.097 R)
• M3: 1,209,648 km (0.102 R)
• M4: 1,755,681 km (0.045 R)
• M5: 2,142,092 km (0.07 R)
• M6: 3,402,454 km (0.078 R)
• M7: 3,862,168 km (0.092 R)
• M8: 4,243,792 km (0.066 R)
• M9: 4,951,241 km (0.115 R)
• M10: 5,567,883 km (0.119 R)
• M11: 6,548,348 km (0.039 R)
• M12: 7,292,148 km (0.084 R)
• M13: 7,848,802 km (0.074 R)
• M14: 8,465,295 km (0.11 R)
• M15: 9,829,926 km (0.054 R)
• M16: 10,620,252 km (0.113 R)
• M17: 11,726,079 km (0.045 R)
• M18: 12,205,690 km (0.101 R)
• M19: 12,698,166 km (0.035 R)
• M20: 15,080,961 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 12.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.27 AU - 2.71 AU

Year: 2712 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,553,188 km

• M1: 166,802 km (0.066 R)
• M2: 951,293 km (0.082 R)
• M3: 1,417,739 km (0.048 R)
• M4: 2,244,566 km (0.032 R)
• M5: 2,893,073 km (0.106 R)
• M6: 3,597,530 km (0.044 R)
• M7: 4,413,586 km (0.083 R)
• M8: 7,531,804 km (0.064 R)
• M9: 8,297,745 km (0.092 R)
• M10: 8,928,749 km (0.116 R)
• M11: 11,447,827 km (0.104 R)
• M12: 12,850,906 km (0.111 R)
• M13: 13,614,453 km (0.036 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 7

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.84 AU - 8.04 AU

Year: 14008 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,553,188 km

• M1: 87,066 km (0.086 R)
• M2: 491,130 km (0.089 R)
• M3: 1,187,957 km (0.092 R)
• M4: 1,636,302 km (0.111 R)
• M5: 1,909,168 km (0.065 R)
• M6: 2,915,812 km (0.09 R)
• M7: 3,645,850 km (0.06 R)
• M8: 5,136,443 km (0.034 R)
• M9: 7,532,103 km (0.11 R)
• M10: 8,291,911 km (0.108 R)
• M11: 9,742,861 km (0.071 R)
• M12: 9,963,069 km (0.118 R)
• M13: 10,356,511 km (0.119 R)
• M14: 13,272,323 km (0.117 R)
• M15: 14,236,781 km (0.111 R)
• M16: 14,736,138 km (0.083 R)
• M17: 17,329,118 km (0.095 R)
• M18: 18,480,124 km (0.095 R)
• M19: 19,074,327 km (0.108 R)
• M20: 24,093,635 km (0.111 R)
• M21: 25,007,827 km (0.095 R)
• M22: 27,778,380 km (0.108 R)
• M23: 29,927,802 km (0.066 R)
• M24: 32,921,704 km (0.103 R)
• M25: 35,978,138 km (0.12 R)
• M26: 45,963,647 km (0.088 R)
• M27: 59,097,592 km (0.114 R)
• M28: 63,208,691 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292

Radius: 5.4

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.53 AU - 8.05 AU

Year: 15008 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,553,188 km

• M1: 76,893 km (0.116 R)
• M2: 279,299 km (0.059 R)
• M3: 1,673,252 km (0.074 R)
• M4: 1,874,461 km (0.099 R)
• M5: 3,540,682 km (0.039 R)
• M6: 10,944,131 km (0.072 R)
• M7: 13,519,608 km (0.096 R)
• M8: 14,332,822 km (0.097 R)
• M9: 20,713,920 km (0.111 R)
• M10: 26,969,355 km (0.073 R)
• M11: 29,066,118 km (0.1 R)
• M12: 30,206,503 km (0.11 R)
• M13: 37,682,507 km (0.026 R)
• M14: 38,912,949 km (0.114 R)
• M15: 41,844,320 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.9

Radius: 5.8

Gravity: 26.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.33 AU - 11.95 AU

Year: 20660 Days

Day: 18.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,553,188 km

• M1: 72,106 km (0.117 R)
• M2: 266,434 km (0.094 R)
• M3: 923,468 km (0.069 R)
• M4: 2,263,117 km (0.099 R)
• M5: 3,080,669 km (0.119 R)
• M6: 4,146,554 km (0.047 R)
• M7: 5,318,354 km (0.076 R)
• M8: 6,154,008 km (0.105 R)
• M9: 6,978,142 km (0.061 R)
• M10: 7,770,413 km (0.056 R)
• M11: 8,241,646 km (0.093 R)
• M12: 9,650,559 km (0.11 R)
• M13: 10,632,220 km (0.114 R)
• M14: 11,814,342 km (0.094 R)
• M15: 14,908,325 km (0.025 R)
• M16: 15,309,248 km (0.079 R)
• M17: 15,965,833 km (0.096 R)
• M18: 16,385,455 km (0.119 R)
• M19: 17,867,670 km (0.035 R)
• M20: 33,891,248 km (0.088 R)
• M21: 34,167,256 km (0.1 R)
• M22: 38,340,737 km (0.078 R)
• M23: 56,473,944 km (0.073 R)
• M24: 65,856,573 km (0.102 R)
• M25: 69,571,088 km (0.073 R)
• M26: 78,133,472 km (0.132 R)
• M27: 82,541,822 km (0.077 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: 241 - 14,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit