🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 9.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.36 AU - 1.42 AU

Year: 1058 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,276,715 km

• M1: 118,182 km (0.026 R)
• M2: 407,953 km (0.037 R)
• M3: 718,668 km (0.05 R)
• M4: 1,226,104 km (0.113 R)
• M5: 1,525,749 km (0.081 R)
• M6: 2,146,131 km (0.072 R)
• M7: 2,629,781 km (0.118 R)
• M8: 3,760,890 km (0.08 R)
• M9: 4,211,928 km (0.085 R)
• M10: 5,640,887 km (0.119 R)
• M11: 6,309,889 km (0.112 R)
• M12: 6,886,588 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 12.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.56 AU - 2.34 AU

Year: 1758 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,276,715 km

• M1: 158,723 km (0.081 R)
• M2: 965,205 km (0.117 R)
• M3: 1,478,326 km (0.114 R)
• M4: 2,740,334 km (0.102 R)
• M5: 4,564,081 km (0.053 R)
• M6: 5,039,503 km (0.115 R)
• M7: 5,732,740 km (0.107 R)
• M8: 6,772,445 km (0.05 R)
• M9: 8,110,149 km (0.068 R)
• M10: 8,873,398 km (0.115 R)
• M11: 13,679,080 km (0.088 R)
• M12: 15,345,450 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 8.6

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.31 AU - 5.11 AU

Year: 6600 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,276,715 km

• M1: 111,301 km (0.075 R)
• M2: 641,176 km (0.12 R)
• M3: 993,779 km (0.056 R)
• M4: 1,500,317 km (0.11 R)
• M5: 1,770,192 km (0.114 R)
• M6: 2,648,929 km (0.095 R)
• M7: 2,985,226 km (0.075 R)
• M8: 3,508,668 km (0.064 R)
• M9: 4,117,681 km (0.084 R)
• M10: 5,056,857 km (0.116 R)
• M11: 5,965,215 km (0.094 R)
• M12: 7,860,321 km (0.099 R)
• M13: 12,573,551 km (0.074 R)
• M14: 13,585,431 km (0.063 R)
• M15: 15,265,864 km (0.099 R)
• M16: 16,746,434 km (0.063 R)
• M17: 18,179,732 km (0.096 R)
• M18: 19,990,464 km (0.058 R)
• M19: 21,288,525 km (0.1 R)
• M20: 25,783,941 km (0.051 R)
• M21: 31,276,128 km (0.114 R)
• M22: 31,681,239 km (0.102 R)
• M23: 33,442,754 km (0.073 R)
• M24: 35,597,412 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 11.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.82 AU - 5.8 AU

Year: 6811 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,276,715 km

• M1: 139,425 km (0.068 R)
• M2: 541,993 km (0.116 R)
• M3: 1,017,714 km (0.061 R)
• M4: 1,366,427 km (0.084 R)
• M5: 2,937,653 km (0.114 R)
• M6: 3,847,657 km (0.08 R)
• M7: 4,613,598 km (0.081 R)
• M8: 5,748,597 km (0.05 R)
• M9: 6,123,190 km (0.105 R)
• M10: 7,601,666 km (0.088 R)
• M11: 8,208,435 km (0.109 R)
• M12: 8,970,786 km (0.051 R)
• M13: 9,605,380 km (0.051 R)
• M14: 11,107,044 km (0.056 R)
• M15: 11,591,441 km (0.058 R)
• M16: 13,237,467 km (0.065 R)
• M17: 16,297,940 km (0.066 R)
• M18: 18,158,190 km (0.072 R)
• M19: 19,243,223 km (0.046 R)
• M20: 24,178,905 km (0.117 R)
• M21: 25,408,002 km (0.101 R)
• M22: 25,995,622 km (0.109 R)
• M23: 26,506,499 km (0.077 R)
• M24: 27,023,958 km (0.11 R)
• M25: 31,795,980 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 3.5

Gravity: 35.1 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.2 AU - 7.72 AU

Year: 13156 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,276,715 km

• M1: 43,683 km (0.092 R)
• M2: 172,935 km (0.112 R)
• M3: 285,433 km (0.099 R)
• M4: 525,986 km (0.046 R)
• M5: 1,256,772 km (0.112 R)
• M6: 1,995,785 km (0.047 R)
• M7: 2,897,112 km (0.097 R)
• M8: 3,054,789 km (0.108 R)
• M9: 3,562,374 km (0.059 R)
• M10: 3,876,530 km (0.078 R)
• M11: 4,993,727 km (0.094 R)
• M12: 5,187,755 km (0.053 R)
• M13: 5,556,663 km (0.056 R)
• M14: 6,807,601 km (0.104 R)
• M15: 7,925,845 km (0.085 R)
• M16: 9,209,245 km (0.066 R)
• M17: 9,649,511 km (0.11 R)
• M18: 11,607,598 km (0.064 R)
• M19: 12,295,599 km (0.077 R)
• M20: 13,377,790 km (0.099 R)
• M21: 14,456,839 km (0.111 R)
• M22: 15,660,952 km (0.057 R)
• M23: 16,571,255 km (0.072 R)
• M24: 17,075,699 km (0.117 R)
• M25: 19,353,925 km (0.063 R)
• M26: 21,147,903 km (0.107 R)
• M27: 21,826,778 km (0.037 R)
• M28: 26,111,261 km (0.11 R)
• M29: 26,695,590 km (0.083 R)
• M30: 28,296,288 km (0.092 R)
• M31: 31,140,592 km (0.118 R)
• M32: 31,358,556 km (0.04 R)
• M33: 31,577,567 km (0.119 R)
• M34: 32,575,684 km (0.04 R)
• M35: 33,025,974 km (0.105 R)
• M36: 36,535,989 km (0.112 R)
• M37: 36,778,487 km (0.099 R)
• M38: 40,415,959 km (0.111 R)
• M39: 40,675,362 km (0.096 R)
• M40: 43,194,889 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit