🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 10.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.71 AU - 0.85 AU

Year: 476 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 109.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,464,995 km

• M1: 131,796 km (0.084 R)
• M2: 501,602 km (0.063 R)
• M3: 852,857 km (0.085 R)
• M4: 1,625,231 km (0.103 R)
• M5: 1,976,038 km (0.117 R)
• M6: 2,305,752 km (0.068 R)
• M7: 2,886,192 km (0.119 R)
• M8: 3,291,004 km (0.111 R)
• M9: 3,671,730 km (0.106 R)
• M10: 4,622,873 km (0.041 R)
• M11: 5,195,534 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 8.5

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.06 AU - 1.14 AU

Year: 796 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,464,995 km

• M1: 135,386 km (0.111 R)
• M2: 659,876 km (0.042 R)
• M3: 1,038,508 km (0.068 R)
• M4: 2,444,579 km (0.077 R)
• M5: 2,915,513 km (0.115 R)
• M6: 4,230,777 km (0.113 R)
• M7: 4,665,808 km (0.082 R)
• M8: 5,216,478 km (0.053 R)
• M9: 6,249,301 km (0.081 R)
• M10: 6,568,095 km (0.091 R)
• M11: 7,325,209 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 14.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.08 AU - 1.34 AU

Year: 919 Days

Day: 14.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,464,995 km

• M1: 184,305 km (0.114 R)
• M2: 738,265 km (0.037 R)
• M3: 1,518,418 km (0.095 R)
• M4: 2,238,882 km (0.076 R)
• M5: 2,738,987 km (0.083 R)
• M6: 3,566,413 km (0.103 R)
• M7: 4,726,844 km (0.074 R)
• M8: 5,525,846 km (0.12 R)
• M9: 6,051,234 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 9.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.96 AU - 1.5 AU

Year: 942 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,464,995 km

• M1: 123,269 km (0.025 R)
• M2: 523,144 km (0.094 R)
• M3: 974,331 km (0.113 R)
• M4: 1,279,361 km (0.116 R)
• M5: 2,454,602 km (0.042 R)
• M6: 3,529,014 km (0.113 R)
• M7: 4,187,095 km (0.117 R)
• M8: 7,068,350 km (0.119 R)
• M9: 7,613,036 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.2

Radius: 10

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.82 AU - 5.88 AU

Year: 8542 Days

Day: 8 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,464,995 km

• M1: 124,615 km (0.037 R)
• M2: 700,268 km (0.118 R)
• M3: 1,203,515 km (0.068 R)
• M4: 1,571,526 km (0.117 R)
• M5: 2,232,000 km (0.119 R)
• M6: 3,032,947 km (0.069 R)
• M7: 3,868,601 km (0.065 R)
• M8: 4,340,582 km (0.098 R)
• M9: 5,045,787 km (0.066 R)
• M10: 7,174,714 km (0.117 R)
• M11: 8,757,459 km (0.112 R)
• M12: 10,078,558 km (0.054 R)
• M13: 10,974,350 km (0.114 R)
• M14: 12,691,584 km (0.086 R)
• M15: 15,094,126 km (0.075 R)
• M16: 19,892,478 km (0.085 R)
• M17: 22,094,259 km (0.117 R)
• M18: 22,977,485 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 4.1

Gravity: 50.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.42 AU - 10.96 AU

Year: 22453 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,464,995 km

• M1: 51,013 km (0.119 R)
• M2: 192,532 km (0.09 R)
• M3: 355,445 km (0.107 R)
• M4: 667,057 km (0.118 R)
• M5: 801,545 km (0.094 R)
• M6: 1,242,859 km (0.049 R)
• M7: 1,771,987 km (0.084 R)
• M8: 1,950,607 km (0.118 R)
• M9: 2,684,983 km (0.088 R)
• M10: 2,840,864 km (0.113 R)
• M11: 3,228,322 km (0.1 R)
• M12: 3,434,767 km (0.108 R)
• M13: 3,841,673 km (0.093 R)
• M14: 4,750,780 km (0.057 R)
• M15: 5,794,823 km (0.1 R)
• M16: 7,129,685 km (0.052 R)
• M17: 11,102,705 km (0.1 R)
• M18: 12,127,600 km (0.111 R)
• M19: 12,268,821 km (0.059 R)
• M20: 14,442,328 km (0.115 R)
• M21: 15,002,871 km (0.116 R)
• M22: 16,597,585 km (0.118 R)
• M23: 18,394,704 km (0.104 R)
• M24: 19,629,784 km (0.052 R)
• M25: 19,824,710 km (0.089 R)
• M26: 23,996,994 km (0.105 R)
• M27: 29,349,008 km (0.096 R)
• M28: 29,603,773 km (0.08 R)
• M29: 30,247,193 km (0.052 R)
• M30: 50,240,351 km (0.034 R)
• M31: 52,454,249 km (0.079 R)
• M32: 53,395,669 km (0.073 R)
• M33: 54,156,823 km (0.077 R)
• M34: 67,559,745 km (0.117 R)
• M35: 74,191,568 km (0.097 R)
• M36: 75,377,131 km (0.172 R)
• M37: 82,757,093 km (0.155 R)
• M38: 86,099,259 km (0.064 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit