🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 13.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 6.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,977,263 km

• M1: 164,258 km (0.113 R)
• M2: 601,533 km (0.044 R)
• M3: 1,081,443 km (0.104 R)
• M4: 1,587,832 km (0.093 R)
• M5: 2,413,014 km (0.03 R)
• M6: 2,906,537 km (0.104 R)
• M7: 3,600,522 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.8

Radius: 12.2

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.01 AU - 1.49 AU

Year: 965 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,977,263 km

• M1: 151,692 km (0.106 R)
• M2: 607,218 km (0.059 R)
• M3: 1,237,474 km (0.075 R)
• M4: 1,641,986 km (0.04 R)
• M5: 2,145,533 km (0.104 R)
• M6: 2,565,903 km (0.092 R)
• M7: 3,352,039 km (0.119 R)
• M8: 3,823,273 km (0.114 R)
• M9: 4,605,520 km (0.049 R)
• M10: 6,267,852 km (0.04 R)
• M11: 6,838,867 km (0.119 R)
• M12: 7,466,729 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 12.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,977,263 km

• M1: 160,369 km (0.049 R)
• M2: 816,356 km (0.061 R)
• M3: 1,314,965 km (0.101 R)
• M4: 1,776,475 km (0.093 R)
• M5: 2,457,145 km (0.114 R)
• M6: 3,292,649 km (0.066 R)
• M7: 5,785,847 km (0.117 R)
• M8: 6,573,181 km (0.12 R)
• M9: 7,334,634 km (0.051 R)
• M10: 8,179,862 km (0.106 R)
• M11: 8,760,601 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437

Radius: 5.2

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.97 AU - 8.73 AU

Year: 16655 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,977,263 km

• M1: 68,965 km (0.109 R)
• M2: 252,372 km (0.092 R)
• M3: 507,436 km (0.117 R)
• M4: 769,232 km (0.075 R)
• M5: 980,464 km (0.119 R)
• M6: 1,256,024 km (0.092 R)
• M7: 2,547,652 km (0.098 R)
• M8: 4,733,725 km (0.096 R)
• M9: 6,549,694 km (0.11 R)
• M10: 7,792,104 km (0.095 R)
• M11: 10,072,425 km (0.087 R)
• M12: 10,399,446 km (0.076 R)
• M13: 10,621,150 km (0.118 R)
• M14: 11,305,709 km (0.115 R)
• M15: 12,080,028 km (0.109 R)
• M16: 13,080,838 km (0.071 R)
• M17: 17,875,450 km (0.106 R)
• M18: 18,114,058 km (0.077 R)
• M19: 20,357,428 km (0.033 R)
• M20: 21,411,345 km (0.118 R)
• M21: 21,861,036 km (0.067 R)
• M22: 23,914,865 km (0.082 R)
• M23: 24,692,475 km (0.111 R)
• M24: 24,889,495 km (0.099 R)
• M25: 25,486,840 km (0.111 R)
• M26: 25,992,032 km (0.045 R)
• M27: 28,293,744 km (0.038 R)
• M28: 30,955,988 km (0.071 R)
• M29: 32,939,506 km (0.065 R)
• M30: 34,145,116 km (0.079 R)
• M31: 37,157,867 km (0.107 R)
• M32: 37,676,673 km (0.1 R)
• M33: 45,899,768 km (0.103 R)
• M34: 47,402,479 km (0.089 R)
• M35: 47,706,911 km (0.087 R)
• M36: 57,630,485 km (0.103 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: 300 - 15,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit