🌌 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: 975.7

Radius: 8.9

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 13.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,066,418 km

• M1: 110,702 km (0.093 R)
• M2: 388,655 km (0.109 R)
• M3: 727,046 km (0.102 R)
• M4: 1,123,181 km (0.069 R)
• M5: 1,466,658 km (0.054 R)
• M6: 2,021,217 km (0.111 R)
• M7: 2,545,258 km (0.086 R)
• M8: 3,016,940 km (0.096 R)
• M9: 3,617,725 km (0.06 R)
• M10: 3,966,139 km (0.113 R)
• M11: 4,446,946 km (0.084 R)
• M12: 4,817,949 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 14.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,066,418 km

• M1: 177,872 km (0.074 R)
• M2: 909,555 km (0.084 R)
• M3: 1,513,930 km (0.069 R)
• M4: 2,061,010 km (0.076 R)
• M5: 2,582,807 km (0.065 R)
• M6: 3,143,500 km (0.089 R)
• M7: 3,597,978 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 10.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.33 AU

Year: 782 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,066,418 km

• M1: 131,796 km (0.082 R)
• M2: 573,708 km (0.101 R)
• M3: 1,345,334 km (0.054 R)
• M4: 2,577,272 km (0.083 R)
• M5: 3,169,979 km (0.093 R)
• M6: 3,546,517 km (0.098 R)
• M7: 4,614,047 km (0.1 R)
• M8: 5,206,903 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 10

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.98 AU - 3.16 AU

Year: 2794 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,066,418 km

• M1: 124,316 km (0.081 R)
• M2: 556,504 km (0.095 R)
• M3: 1,178,382 km (0.111 R)
• M4: 1,751,941 km (0.09 R)
• M5: 2,066,545 km (0.093 R)
• M6: 2,706,375 km (0.045 R)
• M7: 3,197,355 km (0.101 R)
• M8: 3,803,227 km (0.059 R)
• M9: 4,966,201 km (0.119 R)
• M10: 5,386,271 km (0.078 R)
• M11: 5,829,979 km (0.086 R)
• M12: 6,324,848 km (0.064 R)
• M13: 7,018,235 km (0.113 R)
• M14: 7,458,202 km (0.108 R)
• M15: 8,041,783 km (0.03 R)
• M16: 9,024,940 km (0.113 R)
• M17: 9,475,080 km (0.04 R)
• M18: 10,086,188 km (0.119 R)
• M19: 13,633,901 km (0.119 R)
• M20: 15,661,999 km (0.049 R)
• M21: 16,619,127 km (0.03 R)
• M22: 17,138,381 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.8

Radius: 4.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.97 AU - 10.39 AU

Year: 17345 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,066,418 km

• M1: 58,493 km (0.055 R)
• M2: 309,518 km (0.058 R)
• M3: 1,202,318 km (0.115 R)
• M4: 11,064,857 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.1

Radius: 5.6

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.21 AU - 13.19 AU

Year: 23739 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,066,418 km

• M1: 69,862 km (0.054 R)
• M2: 1,052,571 km (0.112 R)
• M3: 2,277,328 km (0.117 R)
• M4: 2,564,108 km (0.084 R)
• M5: 3,236,550 km (0.103 R)
• M6: 4,781,896 km (0.113 R)
• M7: 5,874,110 km (0.086 R)
• M8: 6,078,012 km (0.041 R)
• M9: 6,500,027 km (0.065 R)
• M10: 7,123,252 km (0.046 R)
• M11: 9,564,091 km (0.069 R)
• M12: 11,156,411 km (0.026 R)
• M13: 12,578,488 km (0.057 R)
• M14: 13,473,233 km (0.113 R)
• M15: 19,120,702 km (0.077 R)
• M16: 19,569,197 km (0.104 R)
• M17: 19,933,168 km (0.068 R)
• M18: 27,166,824 km (0.091 R)
• M19: 30,080,242 km (0.068 R)
• M20: 30,564,939 km (0.111 R)
• M21: 31,799,421 km (0.072 R)
• M22: 37,348,305 km (0.117 R)
• M23: 37,627,455 km (0.049 R)
• M24: 39,188,209 km (0.045 R)
• M25: 41,385,503 km (0.053 R)
• M26: 42,438,373 km (0.103 R)
• M27: 53,258,188 km (0.103 R)
• M28: 55,950,052 km (0.116 R)
• M29: 60,635,607 km (0.099 R)
• M30: 61,021,420 km (0.089 R)
• M31: 61,603,206 km (0.119 R)
• M32: 61,797,833 km (0.112 R)
• M33: 69,716,497 km (0.038 R)
• M34: 71,420,417 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 17,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit