🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 11.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.72 AU - 0.74 AU

Year: 438 Days

Day: 9.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,785,846 km

• M1: 144,362 km (0.106 R)
• M2: 528,529 km (0.069 R)
• M3: 1,441,375 km (0.101 R)
• M4: 2,094,071 km (0.084 R)
• M5: 2,521,622 km (0.064 R)
• M6: 2,925,536 km (0.103 R)
• M7: 3,451,821 km (0.112 R)
• M8: 4,837,546 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 10.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 1006 Days

Day: 12.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,785,846 km

• M1: 138,677 km (0.064 R)
• M2: 485,744 km (0.107 R)
• M3: 869,612 km (0.073 R)
• M4: 1,290,581 km (0.098 R)
• M5: 1,749,996 km (0.046 R)
• M6: 2,186,522 km (0.117 R)
• M7: 2,585,650 km (0.079 R)
• M8: 3,043,419 km (0.118 R)
• M9: 3,389,140 km (0.118 R)
• M10: 3,843,468 km (0.077 R)
• M11: 4,364,219 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 12.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.66 AU - 2.7 AU

Year: 3084 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,785,846 km

• M1: 157,527 km (0.093 R)
• M2: 566,078 km (0.088 R)
• M3: 2,063,852 km (0.098 R)
• M4: 2,864,500 km (0.044 R)
• M5: 3,535,895 km (0.036 R)
• M6: 5,125,821 km (0.062 R)
• M7: 5,865,284 km (0.079 R)
• M8: 6,352,823 km (0.059 R)
• M9: 8,229,528 km (0.109 R)
• M10: 10,637,456 km (0.07 R)
• M11: 11,364,801 km (0.111 R)
• M12: 12,002,836 km (0.042 R)
• M13: 12,622,620 km (0.045 R)
• M14: 16,697,965 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.6

Radius: 6.7

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.97 AU - 8.03 AU

Year: 11649 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 57.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,785,846 km

• M1: 98,136 km (0.079 R)
• M2: 360,381 km (0.036 R)
• M3: 604,375 km (0.098 R)
• M4: 900,878 km (0.088 R)
• M5: 1,182,272 km (0.048 R)
• M6: 2,376,961 km (0.041 R)
• M7: 2,853,729 km (0.12 R)
• M8: 3,293,996 km (0.114 R)
• M9: 3,805,471 km (0.103 R)
• M10: 5,765,502 km (0.094 R)
• M11: 5,981,820 km (0.113 R)
• M12: 6,278,473 km (0.097 R)
• M13: 6,546,104 km (0.101 R)
• M14: 7,145,393 km (0.115 R)
• M15: 7,479,594 km (0.116 R)
• M16: 8,591,855 km (0.106 R)
• M17: 9,658,338 km (0.046 R)
• M18: 11,419,404 km (0.034 R)
• M19: 11,703,789 km (0.057 R)
• M20: 12,827,569 km (0.099 R)
• M21: 13,636,893 km (0.049 R)
• M22: 14,282,109 km (0.072 R)
• M23: 15,151,272 km (0.061 R)
• M24: 15,913,773 km (0.088 R)
• M25: 19,461,636 km (0.106 R)
• M26: 19,785,964 km (0.086 R)
• M27: 27,458,540 km (0.041 R)
• M28: 28,904,403 km (0.102 R)
• M29: 32,059,721 km (0.074 R)
• M30: 37,523,784 km (0.084 R)
• M31: 44,832,986 km (0.093 R)
• M32: 46,689,495 km (0.096 R)
• M33: 49,795,596 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 12,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit