🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 12

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.43 AU - 0.61 AU

Year: 264 Days

Day: 11.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 180 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,846,200 km

• M1: 149,448 km (0.086 R)
• M2: 872,305 km (0.075 R)
• M3: 1,307,785 km (0.11 R)
• M4: 1,890,319 km (0.075 R)
• M5: 2,455,051 km (0.076 R)
• M6: 3,310,002 km (0.078 R)
• M7: 3,857,830 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 12.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.91 AU - 1.09 AU

Year: 703 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,846,200 km

• M1: 160,369 km (0.115 R)
• M2: 569,968 km (0.096 R)
• M3: 1,121,086 km (0.065 R)
• M4: 1,599,949 km (0.071 R)
• M5: 2,138,352 km (0.12 R)
• M6: 2,693,061 km (0.069 R)
• M7: 4,343,724 km (0.118 R)
• M8: 4,769,330 km (0.072 R)
• M9: 5,591,520 km (0.112 R)
• M10: 6,589,936 km (0.098 R)
• M11: 7,402,851 km (0.105 R)
• M12: 8,256,905 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 10.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.34 AU

Year: 878 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,846,200 km

• M1: 131,945 km (0.073 R)
• M2: 953,836 km (0.111 R)
• M3: 1,396,047 km (0.117 R)
• M4: 1,843,345 km (0.086 R)
• M5: 2,314,578 km (0.104 R)
• M6: 2,773,245 km (0.079 R)
• M7: 3,266,619 km (0.07 R)
• M8: 3,817,887 km (0.071 R)
• M9: 4,398,776 km (0.09 R)
• M10: 4,918,778 km (0.056 R)
• M11: 6,082,051 km (0.08 R)
• M12: 6,419,843 km (0.095 R)
• M13: 7,668,387 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 8.4

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.75 AU - 2.41 AU

Year: 2109 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,846,200 km

• M1: 105,466 km (0.082 R)
• M2: 401,670 km (0.115 R)
• M3: 701,165 km (0.12 R)
• M4: 1,146,668 km (0.093 R)
• M5: 2,295,280 km (0.057 R)
• M6: 2,723,130 km (0.102 R)
• M7: 3,285,917 km (0.063 R)
• M8: 3,702,697 km (0.086 R)
• M9: 5,282,151 km (0.118 R)
• M10: 5,563,694 km (0.1 R)
• M11: 5,855,261 km (0.111 R)
• M12: 8,129,447 km (0.116 R)
• M13: 9,258,911 km (0.068 R)
• M14: 9,669,258 km (0.064 R)
• M15: 11,355,675 km (0.099 R)
• M16: 13,358,641 km (0.072 R)
• M17: 14,787,151 km (0.116 R)
• M18: 15,971,817 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 9.2

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.48 AU - 2.82 AU

Year: 3032 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,846,200 km

• M1: 117,285 km (0.116 R)
• M2: 441,912 km (0.099 R)
• M3: 808,576 km (0.103 R)
• M4: 1,265,149 km (0.051 R)
• M5: 1,803,103 km (0.067 R)
• M6: 2,312,035 km (0.078 R)
• M7: 3,261,383 km (0.027 R)
• M8: 3,578,381 km (0.095 R)
• M9: 3,915,874 km (0.067 R)
• M10: 4,701,711 km (0.083 R)
• M11: 5,693,994 km (0.094 R)
• M12: 6,909,926 km (0.113 R)
• M13: 7,467,477 km (0.106 R)
• M14: 9,137,438 km (0.089 R)
• M15: 10,040,411 km (0.104 R)
• M16: 11,848,451 km (0.105 R)
• M17: 12,199,258 km (0.116 R)
• M18: 14,801,064 km (0.066 R)
• M19: 17,980,617 km (0.057 R)
• M20: 18,619,998 km (0.078 R)
• M21: 19,455,652 km (0.086 R)
• M22: 20,129,590 km (0.091 R)
• M23: 20,818,937 km (0.093 R)
• M24: 21,980,864 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 11

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.34 AU - 3.58 AU

Year: 3580 Days

Day: 8.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,846,200 km

• M1: 144,960 km (0.086 R)
• M2: 671,994 km (0.084 R)
• M3: 1,153,699 km (0.084 R)
• M4: 1,503,907 km (0.107 R)
• M5: 2,084,796 km (0.086 R)
• M6: 2,533,739 km (0.091 R)
• M7: 3,560,130 km (0.066 R)
• M8: 4,719,962 km (0.112 R)
• M9: 5,121,782 km (0.116 R)
• M10: 6,989,661 km (0.116 R)
• M11: 7,712,518 km (0.071 R)
• M12: 8,241,496 km (0.082 R)
• M13: 9,771,434 km (0.079 R)
• M14: 10,927,825 km (0.114 R)
• M15: 11,295,686 km (0.1 R)
• M16: 13,510,932 km (0.045 R)
• M17: 14,499,624 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.7

Radius: 5.8

Gravity: 29.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.49 AU - 9.59 AU

Year: 17543 Days

Day: 16 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,846,200 km

• M1: 129,552 km (0.094 R)
• M2: 317,297 km (0.084 R)
• M3: 516,412 km (0.1 R)
• M4: 1,043,146 km (0.105 R)
• M5: 1,622,688 km (0.033 R)
• M6: 1,838,707 km (0.118 R)
• M7: 2,135,809 km (0.093 R)
• M8: 2,877,365 km (0.09 R)
• M9: 3,060,324 km (0.11 R)
• M10: 3,656,322 km (0.097 R)
• M11: 4,226,289 km (0.068 R)
• M12: 5,076,005 km (0.045 R)
• M13: 5,908,368 km (0.069 R)
• M14: 6,335,171 km (0.047 R)
• M15: 9,226,748 km (0.072 R)
• M16: 10,217,235 km (0.046 R)
• M17: 13,611,761 km (0.104 R)
• M18: 14,583,848 km (0.119 R)
• M19: 16,086,708 km (0.084 R)
• M20: 17,172,489 km (0.106 R)
• M21: 17,516,265 km (0.097 R)
• M22: 22,006,445 km (0.028 R)
• M23: 24,950,681 km (0.094 R)
• M24: 25,613,998 km (0.118 R)
• M25: 30,969,153 km (0.098 R)
• M26: 35,477,584 km (0.105 R)
• M27: 39,653,010 km (0.093 R)
• M28: 41,318,782 km (0.057 R)
• M29: 45,440,503 km (0.081 R)
• M30: 49,480,992 km (0.078 R)
• M31: 53,754,404 km (0.051 R)
• M32: 58,074,641 km (0.09 R)
• M33: 66,550,258 km (0.071 R)
• M34: 67,398,029 km (0.11 R)
• M35: 70,861,071 km (0.079 R)
• M36: 72,636,199 km (0.074 R)
• M37: 74,896,623 km (0.07 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 10,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit