🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 8.2

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1 AU - 1.42 AU

Year: 919 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,543,468 km

• M1: 102,325 km (0.105 R)
• M2: 401,072 km (0.118 R)
• M3: 713,283 km (0.07 R)
• M4: 998,416 km (0.045 R)
• M5: 1,531,134 km (0.077 R)
• M6: 1,828,834 km (0.116 R)
• M7: 2,197,742 km (0.073 R)
• M8: 2,640,402 km (0.081 R)
• M9: 2,909,828 km (0.089 R)
• M10: 4,263,689 km (0.115 R)
• M11: 5,549,931 km (0.113 R)
• M12: 5,908,368 km (0.102 R)
• M13: 6,259,773 km (0.067 R)
• M14: 6,860,409 km (0.087 R)
• M15: 8,069,758 km (0.074 R)
• M16: 10,018,121 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 12.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.16 AU - 3.14 AU

Year: 2978 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,543,468 km

• M1: 150,944 km (0.044 R)
• M2: 540,796 km (0.069 R)
• M3: 1,006,345 km (0.118 R)
• M4: 1,720,824 km (0.094 R)
• M5: 2,623,199 km (0.089 R)
• M6: 3,004,224 km (0.063 R)
• M7: 3,479,946 km (0.087 R)
• M8: 3,900,615 km (0.085 R)
• M9: 4,845,475 km (0.118 R)
• M10: 5,268,987 km (0.104 R)
• M11: 6,541,167 km (0.1 R)
• M12: 7,507,569 km (0.106 R)
• M13: 11,365,698 km (0.036 R)
• M14: 11,803,721 km (0.102 R)
• M15: 12,481,998 km (0.104 R)
• M16: 13,817,458 km (0.1 R)
• M17: 14,418,093 km (0.058 R)
• M18: 15,457,798 km (0.115 R)
• M19: 16,105,258 km (0.101 R)
• M20: 17,686,507 km (0.097 R)
• M21: 21,221,356 km (0.086 R)
• M22: 23,259,178 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29

Radius: 7.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.84 AU - 9.48 AU

Year: 17591 Days

Day: 15.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,543,468 km

• M1: 93,349 km (0.078 R)
• M2: 788,082 km (0.115 R)
• M3: 1,814,024 km (0.093 R)
• M4: 5,410,357 km (0.104 R)
• M5: 6,302,708 km (0.101 R)
• M6: 7,354,381 km (0.061 R)
• M7: 10,201,827 km (0.048 R)
• M8: 22,709,106 km (0.072 R)
• M9: 23,128,280 km (0.043 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.4

Radius: 3.4

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.9 AU - 9.8 AU

Year: 18173 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,543,468 km

• M1: 46,675 km (0.11 R)
• M2: 172,636 km (0.073 R)
• M3: 433,834 km (0.034 R)
• M4: 906,413 km (0.109 R)
• M5: 1,403,378 km (0.062 R)
• M6: 1,657,844 km (0.054 R)
• M7: 1,812,229 km (0.093 R)
• M8: 1,959,134 km (0.102 R)
• M9: 2,860,012 km (0.047 R)
• M10: 5,562,647 km (0.087 R)
• M11: 7,357,074 km (0.111 R)
• M12: 8,609,657 km (0.119 R)
• M13: 13,147,558 km (0.102 R)
• M14: 14,781,317 km (0.096 R)
• M15: 22,757,875 km (0.105 R)
• M16: 26,714,889 km (0.113 R)
• M17: 29,213,921 km (0.101 R)
• M18: 36,670,178 km (0.045 R)
• M19: 38,127,112 km (0.119 R)
• M20: 42,463,505 km (0.054 R)
• M21: 47,259,015 km (0.057 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: 372 - 15,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit