🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882

Radius: 9.8

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 407 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 141.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,015,403 km

• M1: 121,922 km (0.099 R)
• M2: 438,471 km (0.081 R)
• M3: 803,789 km (0.087 R)
• M4: 1,272,479 km (0.05 R)
• M5: 1,678,937 km (0.083 R)
• M6: 2,242,622 km (0.058 R)
• M7: 3,398,265 km (0.086 R)
• M8: 3,865,011 km (0.089 R)
• M9: 4,274,460 km (0.115 R)
• M10: 5,037,409 km (0.094 R)
• M11: 5,543,798 km (0.067 R)
• M12: 5,958,932 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 14.1

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 433 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,015,403 km

• M1: 175,329 km (0.099 R)
• M2: 814,560 km (0.09 R)
• M3: 1,405,322 km (0.034 R)
• M4: 1,950,906 km (0.069 R)
• M5: 2,686,179 km (0.066 R)
• M6: 3,207,678 km (0.082 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.2

Radius: 4.6

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.84 AU - 8.66 AU

Year: 13018 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,015,403 km

• M1: 57,894 km (0.097 R)
• M2: 1,197,830 km (0.116 R)
• M3: 1,529,788 km (0.037 R)
• M4: 1,860,998 km (0.109 R)
• M5: 2,535,684 km (0.056 R)
• M6: 6,500,177 km (0.114 R)
• M7: 7,103,804 km (0.078 R)
• M8: 7,782,829 km (0.116 R)
• M9: 10,983,476 km (0.112 R)
• M10: 14,844,447 km (0.071 R)
• M11: 17,574,907 km (0.117 R)
• M12: 20,473,366 km (0.11 R)
• M13: 21,608,814 km (0.071 R)
• M14: 25,869,511 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.6

Radius: 3.2

Gravity: 26.82 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.31 AU - 11.31 AU

Year: 20490 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,015,403 km

• M1: 40,541 km (0.094 R)
• M2: 273,166 km (0.097 R)
• M3: 482,004 km (0.072 R)
• M4: 638,185 km (0.098 R)
• M5: 940,821 km (0.104 R)
• M6: 1,331,122 km (0.098 R)
• M7: 1,820,606 km (0.071 R)
• M8: 3,044,317 km (0.104 R)
• M9: 3,631,788 km (0.047 R)
• M10: 3,966,588 km (0.094 R)
• M11: 4,260,996 km (0.116 R)
• M12: 7,076,578 km (0.116 R)
• M13: 8,004,832 km (0.054 R)
• M14: 9,467,451 km (0.104 R)
• M15: 10,045,647 km (0.088 R)
• M16: 10,535,879 km (0.09 R)
• M17: 11,098,965 km (0.1 R)
• M18: 11,563,766 km (0.108 R)
• M19: 12,594,346 km (0.118 R)
• M20: 16,946,746 km (0.098 R)
• M21: 19,498,736 km (0.066 R)
• M22: 19,666,286 km (0.065 R)
• M23: 21,572,761 km (0.098 R)
• M24: 23,598,915 km (0.059 R)
• M25: 23,980,389 km (0.113 R)
• M26: 29,102,022 km (0.092 R)
• M27: 33,448,887 km (0.036 R)
• M28: 35,651,117 km (0.082 R)
• M29: 40,613,428 km (0.119 R)
• M30: 44,695,954 km (0.065 R)
• M31: 48,735,097 km (0.117 R)
• M32: 52,200,831 km (0.069 R)
• M33: 52,362,247 km (0.097 R)
• M34: 55,323,237 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 18,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit