🌌 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: 292.1

Radius: 11.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.6 AU - 0.6 AU

Year: 321 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,820,557 km

• M1: 140,323 km (0.097 R)
• M2: 540,348 km (0.093 R)
• M3: 1,769,294 km (0.065 R)
• M4: 2,127,431 km (0.071 R)
• M5: 2,575,477 km (0.108 R)
• M6: 3,171,325 km (0.062 R)
• M7: 3,569,405 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 10.3

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.26 AU - 2.54 AU

Year: 2566 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,820,557 km

• M1: 128,056 km (0.096 R)
• M2: 466,147 km (0.084 R)
• M3: 835,355 km (0.103 R)
• M4: 1,425,967 km (0.091 R)
• M5: 1,792,781 km (0.095 R)
• M6: 2,128,927 km (0.107 R)
• M7: 3,293,397 km (0.055 R)
• M8: 4,171,686 km (0.105 R)
• M9: 4,957,524 km (0.035 R)
• M10: 5,892,211 km (0.075 R)
• M11: 6,275,182 km (0.04 R)
• M12: 6,880,904 km (0.086 R)
• M13: 8,827,621 km (0.051 R)
• M14: 10,042,355 km (0.037 R)
• M15: 11,240,485 km (0.093 R)
• M16: 11,917,266 km (0.076 R)
• M17: 13,351,909 km (0.089 R)
• M18: 14,014,628 km (0.099 R)
• M19: 14,798,670 km (0.095 R)
• M20: 16,187,537 km (0.055 R)
• M21: 17,493,526 km (0.082 R)
• M22: 17,887,268 km (0.106 R)
• M23: 21,317,846 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 12.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.73 AU - 3.33 AU

Year: 3641 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,820,557 km

• M1: 181,313 km (0.093 R)
• M2: 736,770 km (0.119 R)
• M3: 1,546,543 km (0.051 R)
• M4: 2,093,772 km (0.117 R)
• M5: 2,701,588 km (0.1 R)
• M6: 5,310,874 km (0.09 R)
• M7: 6,357,760 km (0.1 R)
• M8: 7,336,878 km (0.12 R)
• M9: 8,450,335 km (0.084 R)
• M10: 11,770,360 km (0.108 R)
• M11: 13,145,464 km (0.097 R)
• M12: 15,597,822 km (0.104 R)
• M13: 16,326,812 km (0.106 R)
• M14: 21,322,783 km (0.076 R)
• M15: 24,092,737 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.2

Radius: 11.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.09 AU - 3.15 AU

Year: 3804 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,820,557 km

• M1: 140,622 km (0.1 R)
• M2: 560,992 km (0.11 R)
• M3: 925,562 km (0.081 R)
• M4: 1,495,231 km (0.085 R)
• M5: 2,133,565 km (0.077 R)
• M6: 2,538,227 km (0.08 R)
• M7: 3,876,829 km (0.089 R)
• M8: 4,679,421 km (0.099 R)
• M9: 5,442,221 km (0.067 R)
• M10: 6,421,040 km (0.095 R)
• M11: 7,039,328 km (0.106 R)
• M12: 8,659,024 km (0.111 R)
• M13: 9,520,558 km (0.115 R)
• M14: 10,175,647 km (0.03 R)
• M15: 10,552,484 km (0.088 R)
• M16: 11,294,041 km (0.09 R)
• M17: 12,407,199 km (0.101 R)
• M18: 14,282,109 km (0.089 R)
• M19: 15,682,494 km (0.105 R)
• M20: 16,856,538 km (0.118 R)
• M21: 17,225,297 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 12.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.72 AU - 5.92 AU

Year: 8470 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,820,557 km

• M1: 155,582 km (0.081 R)
• M2: 642,523 km (0.119 R)
• M3: 1,056,759 km (0.092 R)
• M4: 1,843,794 km (0.077 R)
• M5: 2,533,440 km (0.113 R)
• M6: 3,230,566 km (0.07 R)
• M7: 3,948,636 km (0.067 R)
• M8: 6,866,393 km (0.081 R)
• M9: 7,484,232 km (0.102 R)
• M10: 9,192,340 km (0.066 R)
• M11: 9,895,600 km (0.118 R)
• M12: 10,483,819 km (0.112 R)
• M13: 12,899,974 km (0.085 R)
• M14: 14,145,825 km (0.101 R)
• M15: 14,578,462 km (0.034 R)
• M16: 16,945,100 km (0.086 R)
• M17: 19,179,345 km (0.064 R)
• M18: 23,615,669 km (0.076 R)
• M19: 24,050,102 km (0.074 R)
• M20: 25,567,174 km (0.091 R)
• M21: 28,989,225 km (0.082 R)
• M22: 36,611,835 km (0.115 R)
• M23: 37,664,555 km (0.052 R)
• M24: 39,463,769 km (0.099 R)
• M25: 42,974,382 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.2

Radius: 6.2

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.75 AU - 11.19 AU

Year: 20116 Days

Day: 20.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,820,557 km

• M1: 77,043 km (0.055 R)
• M2: 450,888 km (0.104 R)
• M3: 780,003 km (0.09 R)
• M4: 2,991,060 km (0.083 R)
• M5: 3,250,313 km (0.107 R)
• M6: 5,583,591 km (0.098 R)
• M7: 7,134,771 km (0.074 R)
• M8: 7,457,603 km (0.093 R)
• M9: 8,383,165 km (0.056 R)
• M10: 10,519,124 km (0.099 R)
• M11: 10,877,112 km (0.118 R)
• M12: 11,120,358 km (0.095 R)
• M13: 11,491,809 km (0.065 R)
• M14: 12,925,256 km (0.118 R)
• M15: 14,111,567 km (0.104 R)
• M16: 14,694,251 km (0.11 R)
• M17: 14,991,502 km (0.056 R)
• M18: 15,829,848 km (0.036 R)
• M19: 18,274,427 km (0.106 R)
• M20: 24,828,759 km (0.032 R)
• M21: 27,996,494 km (0.079 R)
• M22: 34,202,860 km (0.1 R)
• M23: 34,594,059 km (0.117 R)
• M24: 35,252,738 km (0.097 R)
• M25: 37,279,041 km (0.066 R)
• M26: 42,606,670 km (0.094 R)
• M27: 43,059,653 km (0.1 R)
• M28: 49,244,029 km (0.111 R)
• M29: 50,920,123 km (0.106 R)
• M30: 58,934,231 km (0.103 R)
• M31: 64,520,814 km (0.065 R)
• M32: 66,932,182 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 19,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit