🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 14.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.15 AU - 1.36 AU

Year: 965 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,413,200 km

• M1: 185,352 km (0.06 R)
• M2: 660,475 km (0.071 R)
• M3: 1,163,871 km (0.095 R)
• M4: 1,789,191 km (0.106 R)
• M5: 2,744,373 km (0.089 R)
• M6: 3,317,931 km (0.093 R)
• M7: 4,002,940 km (0.098 R)
• M8: 4,551,515 km (0.105 R)
• M9: 5,679,034 km (0.1 R)
• M10: 6,244,066 km (0.114 R)
• M11: 6,985,622 km (0.106 R)
• M12: 8,299,241 km (0.106 R)
• M13: 9,253,376 km (0.037 R)
• M14: 9,949,156 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 8.1

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.18 AU - 1.88 AU

Year: 1306 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,413,200 km

• M1: 100,679 km (0.087 R)
• M2: 398,678 km (0.077 R)
• M3: 674,238 km (0.117 R)
• M4: 971,040 km (0.065 R)
• M5: 1,339,948 km (0.101 R)
• M6: 2,777,883 km (0.064 R)
• M7: 3,624,008 km (0.085 R)
• M8: 4,409,547 km (0.107 R)
• M9: 5,201,069 km (0.081 R)
• M10: 6,360,453 km (0.085 R)
• M11: 7,189,823 km (0.102 R)
• M12: 8,395,732 km (0.044 R)
• M13: 8,652,292 km (0.108 R)
• M14: 9,032,121 km (0.076 R)
• M15: 10,078,259 km (0.115 R)
• M16: 10,796,778 km (0.073 R)
• M17: 11,760,337 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.3

Radius: 11

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.29 AU - 4.43 AU

Year: 5235 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,413,200 km

• M1: 137,331 km (0.061 R)
• M2: 528,230 km (0.084 R)
• M3: 951,592 km (0.025 R)
• M4: 1,468,752 km (0.116 R)
• M5: 2,554,084 km (0.11 R)
• M6: 3,931,133 km (0.05 R)
• M7: 4,731,781 km (0.102 R)
• M8: 5,359,793 km (0.086 R)
• M9: 6,814,931 km (0.056 R)
• M10: 7,208,224 km (0.026 R)
• M11: 7,933,325 km (0.109 R)
• M12: 9,328,325 km (0.099 R)
• M13: 10,445,073 km (0.119 R)
• M14: 10,836,571 km (0.063 R)
• M15: 12,992,425 km (0.099 R)
• M16: 14,705,620 km (0.033 R)
• M17: 15,087,544 km (0.079 R)
• M18: 18,511,989 km (0.031 R)
• M19: 19,150,622 km (0.096 R)
• M20: 21,155,233 km (0.12 R)
• M21: 23,740,883 km (0.112 R)
• M22: 25,187,195 km (0.094 R)
• M23: 26,853,117 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 15

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.07 AU - 6.31 AU

Year: 8161 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,413,200 km

• M1: 186,549 km (0.108 R)
• M2: 715,078 km (0.104 R)
• M3: 1,631,514 km (0.075 R)
• M4: 2,463,428 km (0.107 R)
• M5: 4,281,790 km (0.085 R)
• M6: 5,551,876 km (0.102 R)
• M7: 6,206,816 km (0.08 R)
• M8: 7,672,426 km (0.056 R)
• M9: 14,946,024 km (0.118 R)
• M10: 20,314,344 km (0.072 R)
• M11: 23,095,069 km (0.097 R)
• M12: 24,104,406 km (0.081 R)
• M13: 27,031,886 km (0.075 R)
• M14: 29,499,653 km (0.105 R)
• M15: 35,319,010 km (0.107 R)
• M16: 38,848,622 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.6

Radius: 3.9

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.95 AU - 11.13 AU

Year: 18761 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,413,200 km

• M1: 49,218 km (0.119 R)
• M2: 173,534 km (0.065 R)
• M3: 343,028 km (0.105 R)
• M4: 868,565 km (0.037 R)
• M5: 1,398,441 km (0.077 R)
• M6: 1,708,856 km (0.118 R)
• M7: 2,154,808 km (0.057 R)
• M8: 2,306,500 km (0.116 R)
• M9: 3,900,316 km (0.094 R)
• M10: 4,040,489 km (0.104 R)
• M11: 4,824,831 km (0.098 R)
• M12: 5,252,830 km (0.085 R)
• M13: 6,183,927 km (0.067 R)
• M14: 8,506,285 km (0.06 R)
• M15: 8,647,505 km (0.117 R)
• M16: 9,129,659 km (0.071 R)
• M17: 9,277,611 km (0.083 R)
• M18: 11,069,644 km (0.115 R)
• M19: 14,975,794 km (0.085 R)
• M20: 17,423,215 km (0.074 R)
• M21: 19,465,226 km (0.027 R)
• M22: 24,966,987 km (0.08 R)
• M23: 27,144,085 km (0.035 R)
• M24: 27,966,125 km (0.119 R)
• M25: 30,312,269 km (0.106 R)
• M26: 31,871,527 km (0.085 R)
• M27: 32,326,753 km (0.109 R)
• M28: 34,547,983 km (0.075 R)
• M29: 34,907,766 km (0.114 R)
• M30: 35,757,033 km (0.114 R)
• M31: 36,248,312 km (0.112 R)
• M32: 37,496,557 km (0.096 R)
• M33: 38,259,057 km (0.119 R)
• M34: 39,161,581 km (0.068 R)
• M35: 39,683,678 km (0.093 R)
• M36: 42,227,141 km (0.112 R)
• M37: 43,888,126 km (0.094 R)
• M38: 47,340,097 km (0.077 R)
• M39: 47,932,504 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.3

Radius: 3.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.38 AU - 11.3 AU

Year: 22950 Days

Day: 21.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,413,200 km

• M1: 52,359 km (0.1 R)
• M2: 205,996 km (0.102 R)
• M3: 408,103 km (0.116 R)
• M4: 553,662 km (0.112 R)
• M5: 674,986 km (0.114 R)
• M6: 832,961 km (0.119 R)
• M7: 1,059,602 km (0.111 R)
• M8: 1,489,097 km (0.092 R)
• M9: 2,025,705 km (0.106 R)
• M10: 2,535,684 km (0.112 R)
• M11: 4,728,190 km (0.081 R)
• M12: 8,703,155 km (0.083 R)
• M13: 10,026,498 km (0.101 R)
• M14: 12,166,496 km (0.092 R)
• M15: 15,330,640 km (0.082 R)
• M16: 15,883,105 km (0.044 R)
• M17: 16,234,959 km (0.05 R)
• M18: 16,592,049 km (0.092 R)
• M19: 21,981,911 km (0.102 R)
• M20: 36,155,113 km (0.109 R)
• M21: 36,519,383 km (0.099 R)
• M22: 39,011,086 km (0.042 R)
• M23: 40,821,220 km (0.074 R)
• M24: 41,216,158 km (0.117 R)
• M25: 41,348,403 km (0.066 R)
• M26: 42,686,406 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit