🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 13.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.71 AU - 0.85 AU

Year: 467 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,655,997 km

• M1: 163,062 km (0.067 R)
• M2: 638,633 km (0.088 R)
• M3: 1,132,905 km (0.117 R)
• M4: 1,839,007 km (0.118 R)
• M5: 2,374,567 km (0.092 R)
• M6: 3,047,757 km (0.068 R)
• M7: 3,620,867 km (0.101 R)
• M8: 4,107,658 km (0.104 R)
• M9: 4,809,272 km (0.047 R)
• M10: 5,382,681 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 11.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.75 AU - 0.83 AU

Year: 476 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,655,997 km

• M1: 147,204 km (0.068 R)
• M2: 595,549 km (0.107 R)
• M3: 1,094,159 km (0.076 R)
• M4: 1,685,070 km (0.094 R)
• M5: 2,196,695 km (0.109 R)
• M6: 2,694,557 km (0.08 R)
• M7: 3,064,213 km (0.071 R)
• M8: 3,513,605 km (0.12 R)
• M9: 4,546,578 km (0.044 R)
• M10: 4,942,564 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897

Radius: 10.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.75 AU - 0.91 AU

Year: 513 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,655,997 km

• M1: 134,339 km (0.062 R)
• M2: 500,106 km (0.057 R)
• M3: 990,787 km (0.052 R)
• M4: 1,355,506 km (0.075 R)
• M5: 1,723,218 km (0.067 R)
• M6: 2,112,621 km (0.111 R)
• M7: 2,602,704 km (0.099 R)
• M8: 3,216,205 km (0.093 R)
• M9: 4,574,852 km (0.101 R)
• M10: 4,975,924 km (0.104 R)
• M11: 5,594,661 km (0.026 R)
• M12: 6,091,924 km (0.069 R)
• M13: 6,698,993 km (0.095 R)
• M14: 7,132,826 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 10.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.11 AU - 1.41 AU

Year: 959 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,655,997 km

• M1: 125,662 km (0.109 R)
• M2: 542,741 km (0.118 R)
• M3: 1,034,619 km (0.114 R)
• M4: 1,617,153 km (0.059 R)
• M5: 1,965,566 km (0.11 R)
• M6: 2,439,492 km (0.119 R)
• M7: 3,219,795 km (0.07 R)
• M8: 3,690,131 km (0.05 R)
• M9: 4,890,953 km (0.051 R)
• M10: 5,533,326 km (0.064 R)
• M11: 6,046,148 km (0.074 R)
• M12: 6,525,908 km (0.097 R)
• M13: 6,852,480 km (0.073 R)
• M14: 7,167,084 km (0.085 R)
• M15: 7,946,938 km (0.083 R)
• M16: 8,370,300 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 9.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.53 AU - 1.59 AU

Year: 1322 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,655,997 km

• M1: 114,442 km (0.062 R)
• M2: 580,739 km (0.092 R)
• M3: 950,096 km (0.075 R)
• M4: 1,574,966 km (0.076 R)
• M5: 3,139,162 km (0.114 R)
• M6: 3,447,483 km (0.068 R)
• M7: 4,271,767 km (0.115 R)
• M8: 6,068,886 km (0.043 R)
• M9: 6,749,557 km (0.034 R)
• M10: 7,837,283 km (0.058 R)
• M11: 8,147,998 km (0.063 R)
• M12: 9,601,790 km (0.106 R)
• M13: 11,399,657 km (0.117 R)
• M14: 13,172,541 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 9.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.47 AU - 2.53 AU

Year: 2681 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,655,997 km

• M1: 123,717 km (0.059 R)
• M2: 450,290 km (0.048 R)
• M3: 999,164 km (0.112 R)
• M4: 1,319,304 km (0.107 R)
• M5: 2,026,453 km (0.097 R)
• M6: 2,524,464 km (0.081 R)
• M7: 3,027,562 km (0.095 R)
• M8: 4,086,864 km (0.091 R)
• M9: 4,782,644 km (0.089 R)
• M10: 5,267,191 km (0.111 R)
• M11: 6,163,582 km (0.1 R)
• M12: 7,850,447 km (0.077 R)
• M13: 8,375,835 km (0.1 R)
• M14: 9,239,613 km (0.1 R)
• M15: 11,807,610 km (0.114 R)
• M16: 12,303,527 km (0.101 R)
• M17: 12,892,793 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.5

Radius: 9.1

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.76 AU - 4.26 AU

Year: 4460 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,655,997 km

• M1: 114,891 km (0.029 R)
• M2: 419,173 km (0.117 R)
• M3: 720,912 km (0.111 R)
• M4: 1,136,645 km (0.082 R)
• M5: 1,708,856 km (0.046 R)
• M6: 2,397,156 km (0.117 R)
• M7: 2,734,051 km (0.079 R)
• M8: 3,026,365 km (0.08 R)
• M9: 3,653,030 km (0.098 R)
• M10: 4,412,539 km (0.113 R)
• M11: 4,895,590 km (0.108 R)
• M12: 5,700,277 km (0.105 R)
• M13: 6,785,909 km (0.108 R)
• M14: 8,077,537 km (0.103 R)
• M15: 8,377,032 km (0.096 R)
• M16: 8,919,175 km (0.109 R)
• M17: 9,988,051 km (0.038 R)
• M18: 10,289,790 km (0.047 R)
• M19: 13,287,582 km (0.081 R)
• M20: 16,461,750 km (0.1 R)
• M21: 18,064,691 km (0.119 R)
• M22: 20,383,308 km (0.084 R)
• M23: 21,151,194 km (0.063 R)
• M24: 22,522,857 km (0.098 R)
• M25: 23,494,944 km (0.087 R)
• M26: 25,123,915 km (0.12 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: 329 - 10,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit