🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 13.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.92 AU - 0.98 AU

Year: 639 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,690,291 km

• M1: 166,652 km (0.113 R)
• M2: 632,051 km (0.115 R)
• M3: 1,091,017 km (0.119 R)
• M4: 1,542,354 km (0.099 R)
• M5: 2,186,223 km (0.119 R)
• M6: 2,696,502 km (0.092 R)
• M7: 3,350,095 km (0.086 R)
• M8: 4,136,980 km (0.064 R)
• M9: 4,630,802 km (0.116 R)
• M10: 5,793,926 km (0.047 R)
• M11: 6,617,013 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 14.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.09 AU - 1.29 AU

Year: 896 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,690,291 km

• M1: 184,005 km (0.073 R)
• M2: 681,867 km (0.087 R)
• M3: 1,181,075 km (0.07 R)
• M4: 1,872,965 km (0.087 R)
• M5: 2,463,279 km (0.069 R)
• M6: 3,269,162 km (0.053 R)
• M7: 3,950,281 km (0.065 R)
• M8: 4,690,940 km (0.097 R)
• M9: 5,465,558 km (0.077 R)
• M10: 6,157,897 km (0.035 R)
• M11: 7,646,994 km (0.12 R)
• M12: 8,644,214 km (0.065 R)
• M13: 9,201,615 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 11.8

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.66 AU - 1.78 AU

Year: 1557 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,690,291 km

• M1: 146,756 km (0.067 R)
• M2: 524,341 km (0.111 R)
• M3: 1,319,304 km (0.058 R)
• M4: 2,279,423 km (0.09 R)
• M5: 2,940,945 km (0.069 R)
• M6: 4,012,065 km (0.096 R)
• M7: 4,749,583 km (0.084 R)
• M8: 5,879,196 km (0.074 R)
• M9: 6,393,364 km (0.08 R)
• M10: 6,937,302 km (0.092 R)
• M11: 7,372,333 km (0.085 R)
• M12: 9,040,798 km (0.067 R)
• M13: 10,984,373 km (0.059 R)
• M14: 11,690,176 km (0.103 R)
• M15: 12,584,771 km (0.097 R)
• M16: 13,069,319 km (0.119 R)
• M17: 13,608,170 km (0.067 R)
• M18: 14,998,234 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.4

Radius: 4.1

Gravity: 26.38 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.33 AU - 8.83 AU

Year: 15854 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,690,291 km

• M1: 51,013 km (0.1 R)
• M2: 468,690 km (0.056 R)
• M3: 781,948 km (0.089 R)
• M4: 1,209,648 km (0.106 R)
• M5: 2,187,570 km (0.12 R)
• M6: 4,223,896 km (0.12 R)
• M7: 5,183,566 km (0.12 R)
• M8: 5,321,645 km (0.064 R)
• M9: 6,319,014 km (0.092 R)
• M10: 7,744,383 km (0.036 R)
• M11: 8,341,727 km (0.083 R)
• M12: 8,773,018 km (0.087 R)
• M13: 9,627,820 km (0.118 R)
• M14: 12,461,951 km (0.046 R)
• M15: 12,835,497 km (0.119 R)
• M16: 13,934,443 km (0.111 R)
• M17: 15,094,575 km (0.045 R)
• M18: 16,024,176 km (0.118 R)
• M19: 20,638,971 km (0.096 R)
• M20: 29,873,199 km (0.107 R)
• M21: 31,448,464 km (0.054 R)
• M22: 32,841,969 km (0.102 R)
• M23: 33,078,184 km (0.106 R)
• M24: 35,751,498 km (0.107 R)
• M25: 37,525,579 km (0.1 R)
• M26: 41,248,322 km (0.098 R)
• M27: 45,648,593 km (0.068 R)
• M28: 45,795,499 km (0.107 R)
• M29: 47,132,156 km (0.062 R)
• M30: 55,701,870 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.5

Radius: 5.8

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.88 AU - 9.32 AU

Year: 15913 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,690,291 km

• M1: 72,405 km (0.101 R)
• M2: 327,171 km (0.11 R)
• M3: 814,112 km (0.075 R)
• M4: 1,469,949 km (0.113 R)
• M5: 1,824,944 km (0.057 R)
• M6: 4,183,953 km (0.045 R)
• M7: 4,719,663 km (0.025 R)
• M8: 6,778,130 km (0.117 R)
• M9: 7,094,529 km (0.096 R)
• M10: 7,515,797 km (0.086 R)
• M11: 8,153,383 km (0.052 R)
• M12: 8,459,610 km (0.113 R)
• M13: 9,705,012 km (0.036 R)
• M14: 10,165,475 km (0.09 R)
• M15: 13,591,415 km (0.043 R)
• M16: 14,094,663 km (0.099 R)
• M17: 14,535,976 km (0.081 R)
• M18: 17,212,133 km (0.098 R)
• M19: 18,665,925 km (0.117 R)
• M20: 19,740,037 km (0.106 R)
• M21: 21,620,931 km (0.067 R)
• M22: 29,024,081 km (0.078 R)
• M23: 32,202,138 km (0.119 R)
• M24: 35,066,190 km (0.069 R)
• M25: 36,148,381 km (0.045 R)
• M26: 43,113,209 km (0.083 R)
• M27: 43,576,065 km (0.064 R)
• M28: 43,886,331 km (0.097 R)
• M29: 45,142,653 km (0.088 R)
• M30: 50,237,209 km (0.107 R)
• M31: 51,785,098 km (0.106 R)
• M32: 52,133,362 km (0.099 R)
• M33: 54,255,707 km (0.119 R)
• M34: 57,732,661 km (0.094 R)
• M35: 58,483,044 km (0.113 R)
• M36: 62,924,904 km (0.105 R)
• M37: 66,143,951 km (0.084 R)
• M38: 67,586,224 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 20,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit