🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 11.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.68 AU - 0.9 AU

Year: 494 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,277,091 km

• M1: 153,338 km (0.097 R)
• M2: 537,954 km (0.079 R)
• M3: 912,846 km (0.083 R)
• M4: 1,294,470 km (0.098 R)
• M5: 1,785,600 km (0.066 R)
• M6: 2,631,726 km (0.032 R)
• M7: 3,787,220 km (0.054 R)
• M8: 4,193,079 km (0.071 R)
• M9: 4,710,388 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 11.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.19 AU - 1.93 AU

Year: 1370 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,277,091 km

• M1: 140,622 km (0.106 R)
• M2: 493,075 km (0.074 R)
• M3: 946,655 km (0.064 R)
• M4: 1,384,678 km (0.117 R)
• M5: 1,940,434 km (0.118 R)
• M6: 2,490,655 km (0.104 R)
• M7: 3,143,051 km (0.106 R)
• M8: 3,503,433 km (0.117 R)
• M9: 3,964,044 km (0.057 R)
• M10: 4,560,192 km (0.119 R)
• M11: 5,286,190 km (0.095 R)
• M12: 6,146,229 km (0.113 R)
• M13: 6,693,158 km (0.113 R)
• M14: 7,250,261 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.42 AU - 1.88 AU

Year: 1490 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,277,091 km

• M1: 111,899 km (0.112 R)
• M2: 410,945 km (0.069 R)
• M3: 916,137 km (0.064 R)
• M4: 1,387,819 km (0.094 R)
• M5: 1,732,044 km (0.097 R)
• M6: 2,183,531 km (0.082 R)
• M7: 2,527,007 km (0.094 R)
• M8: 2,994,501 km (0.106 R)
• M9: 3,310,002 km (0.055 R)
• M10: 3,795,448 km (0.028 R)
• M11: 4,426,601 km (0.081 R)
• M12: 5,162,772 km (0.038 R)
• M13: 6,417,001 km (0.092 R)
• M14: 8,416,227 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 12

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.89 AU

Year: 2896 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,277,091 km

• M1: 149,299 km (0.063 R)
• M2: 621,579 km (0.084 R)
• M3: 1,032,824 km (0.113 R)
• M4: 1,465,461 km (0.109 R)
• M5: 2,354,970 km (0.115 R)
• M6: 2,987,021 km (0.027 R)
• M7: 3,690,579 km (0.115 R)
• M8: 4,240,202 km (0.096 R)
• M9: 4,867,466 km (0.087 R)
• M10: 5,504,454 km (0.098 R)
• M11: 6,004,559 km (0.119 R)
• M12: 7,280,180 km (0.089 R)
• M13: 7,786,270 km (0.081 R)
• M14: 10,166,073 km (0.044 R)
• M15: 11,249,909 km (0.09 R)
• M16: 11,670,429 km (0.106 R)
• M17: 13,318,100 km (0.096 R)
• M18: 17,795,564 km (0.091 R)
• M19: 18,194,392 km (0.11 R)
• M20: 20,903,011 km (0.11 R)
• M21: 21,668,504 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.2

Radius: 4.8

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.12 AU - 7.12 AU

Year: 11973 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,277,091 km

• M1: 59,690 km (0.1 R)
• M2: 356,342 km (0.094 R)
• M3: 541,993 km (0.099 R)
• M4: 1,028,485 km (0.111 R)
• M5: 1,540,110 km (0.107 R)
• M6: 2,868,390 km (0.101 R)
• M7: 3,162,649 km (0.067 R)
• M8: 3,628,496 km (0.094 R)
• M9: 3,837,933 km (0.115 R)
• M10: 4,138,924 km (0.093 R)
• M11: 4,485,094 km (0.099 R)
• M12: 5,268,089 km (0.107 R)
• M13: 6,588,440 km (0.036 R)
• M14: 7,222,436 km (0.098 R)
• M15: 10,690,713 km (0.113 R)
• M16: 11,508,115 km (0.111 R)
• M17: 13,953,741 km (0.028 R)
• M18: 15,879,066 km (0.118 R)
• M19: 17,675,138 km (0.073 R)
• M20: 18,660,539 km (0.101 R)
• M21: 20,989,778 km (0.091 R)
• M22: 21,835,904 km (0.083 R)
• M23: 22,007,941 km (0.118 R)
• M24: 25,543,537 km (0.075 R)
• M25: 27,796,631 km (0.094 R)
• M26: 29,544,682 km (0.105 R)
• M27: 31,364,690 km (0.111 R)
• M28: 38,384,719 km (0.117 R)
• M29: 40,678,503 km (0.093 R)
• M30: 40,938,804 km (0.12 R)
• M31: 43,876,756 km (0.1 R)
• M32: 48,835,477 km (0.079 R)
• M33: 49,277,090 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 17,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit