🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 9.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.44 AU - 1.7 AU

Year: 1291 Days

Day: 11.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,404,155 km

• M1: 123,119 km (0.046 R)
• M2: 545,883 km (0.084 R)
• M3: 1,172,249 km (0.064 R)
• M4: 1,485,208 km (0.084 R)
• M5: 2,356,466 km (0.105 R)
• M6: 3,536,942 km (0.085 R)
• M7: 4,420,617 km (0.075 R)
• M8: 4,954,083 km (0.064 R)
• M9: 5,466,157 km (0.087 R)
• M10: 6,864,597 km (0.103 R)
• M11: 7,713,865 km (0.105 R)
• M12: 8,039,539 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.7

Radius: 8.2

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.62 AU - 6.68 AU

Year: 8810 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,404,155 km

• M1: 102,026 km (0.073 R)
• M2: 370,704 km (0.096 R)
• M3: 947,553 km (0.063 R)
• M4: 1,374,505 km (0.083 R)
• M5: 2,068,041 km (0.104 R)
• M6: 2,654,614 km (0.066 R)
• M7: 3,279,784 km (0.105 R)
• M8: 3,555,941 km (0.055 R)
• M9: 4,076,841 km (0.119 R)
• M10: 4,479,559 km (0.053 R)
• M11: 6,118,254 km (0.106 R)
• M12: 7,754,406 km (0.072 R)
• M13: 8,121,968 km (0.104 R)
• M14: 9,898,442 km (0.073 R)
• M15: 13,841,393 km (0.09 R)
• M16: 14,140,589 km (0.107 R)
• M17: 14,813,780 km (0.084 R)
• M18: 18,360,446 km (0.108 R)
• M19: 20,368,199 km (0.083 R)
• M20: 23,266,957 km (0.102 R)
• M21: 24,032,449 km (0.115 R)
• M22: 25,434,630 km (0.055 R)
• M23: 26,797,915 km (0.117 R)
• M24: 27,356,663 km (0.095 R)
• M25: 28,787,567 km (0.048 R)
• M26: 30,975,286 km (0.095 R)
• M27: 33,271,614 km (0.112 R)
• M28: 33,700,960 km (0.109 R)
• M29: 37,733,370 km (0.08 R)
• M30: 39,744,713 km (0.109 R)
• M31: 40,106,890 km (0.105 R)
• M32: 40,837,825 km (0.035 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 4

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.27 AU - 6.63 AU

Year: 9521 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,404,155 km

• M1: 49,816 km (0.113 R)
• M2: 212,878 km (0.097 R)
• M3: 575,054 km (0.063 R)
• M4: 1,459,776 km (0.108 R)
• M5: 2,634,269 km (0.077 R)
• M6: 2,799,126 km (0.115 R)
• M7: 5,986,458 km (0.081 R)
• M8: 7,652,978 km (0.061 R)
• M9: 12,830,561 km (0.047 R)
• M10: 13,040,147 km (0.056 R)
• M11: 17,403,767 km (0.067 R)
• M12: 18,247,499 km (0.093 R)
• M13: 18,512,437 km (0.111 R)
• M14: 27,534,834 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 5.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.14 AU - 8.76 AU

Year: 16114 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,404,155 km

• M1: 68,516 km (0.052 R)
• M2: 920,027 km (0.099 R)
• M3: 3,289,807 km (0.117 R)
• M4: 4,969,791 km (0.027 R)
• M5: 11,171,071 km (0.086 R)
• M6: 12,659,121 km (0.103 R)
• M7: 13,164,313 km (0.079 R)
• M8: 17,630,408 km (0.068 R)
• M9: 22,034,121 km (0.104 R)
• M10: 24,704,144 km (0.047 R)
• M11: 30,676,091 km (0.057 R)
• M12: 31,382,492 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.2

Radius: 6.1

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.14 AU - 11.08 AU

Year: 21088 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,404,155 km

• M1: 109,655 km (0.077 R)
• M2: 357,240 km (0.118 R)
• M3: 580,739 km (0.11 R)
• M4: 825,032 km (0.075 R)
• M5: 1,403,228 km (0.106 R)
• M6: 1,709,754 km (0.117 R)
• M7: 2,079,859 km (0.03 R)
• M8: 2,524,464 km (0.058 R)
• M9: 2,733,602 km (0.101 R)
• M10: 3,160,405 km (0.101 R)
• M11: 3,431,626 km (0.113 R)
• M12: 3,718,255 km (0.067 R)
• M13: 5,064,187 km (0.092 R)
• M14: 5,866,480 km (0.097 R)
• M15: 6,276,977 km (0.104 R)
• M16: 8,365,214 km (0.042 R)
• M17: 10,279,767 km (0.044 R)
• M18: 11,750,015 km (0.084 R)
• M19: 14,874,666 km (0.065 R)
• M20: 16,506,031 km (0.035 R)
• M21: 19,305,007 km (0.108 R)
• M22: 22,208,253 km (0.047 R)
• M23: 24,436,812 km (0.081 R)
• M24: 26,039,005 km (0.087 R)
• M25: 26,367,672 km (0.052 R)
• M26: 27,823,708 km (0.118 R)
• M27: 28,862,815 km (0.044 R)
• M28: 30,651,557 km (0.118 R)
• M29: 33,149,691 km (0.045 R)
• M30: 34,844,336 km (0.04 R)
• M31: 41,008,068 km (0.111 R)
• M32: 43,880,347 km (0.093 R)
• M33: 51,212,288 km (0.087 R)
• M34: 54,004,233 km (0.087 R)
• M35: 62,592,796 km (0.075 R)
• M36: 69,285,655 km (0.095 R)
• M37: 69,916,659 km (0.119 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: 510 - 12,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit