🌌 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: 770.4

Radius: 13.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.76 AU - 0.82 AU

Year: 476 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,746,364 km

• M1: 172,187 km (0.069 R)
• M2: 601,533 km (0.112 R)
• M3: 1,126,472 km (0.086 R)
• M4: 1,576,911 km (0.079 R)
• M5: 2,072,678 km (0.065 R)
• M6: 2,693,659 km (0.114 R)
• M7: 3,256,746 km (0.055 R)
• M8: 3,792,007 km (0.077 R)
• M9: 4,256,508 km (0.05 R)
• M10: 5,268,538 km (0.099 R)
• M11: 5,814,271 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 14.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.01 AU - 1.17 AU

Year: 772 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,746,364 km

• M1: 179,069 km (0.078 R)
• M2: 628,909 km (0.095 R)
• M3: 1,113,457 km (0.09 R)
• M4: 1,592,320 km (0.084 R)
• M5: 2,220,631 km (0.102 R)
• M6: 2,668,676 km (0.05 R)
• M7: 3,189,277 km (0.085 R)
• M8: 4,241,848 km (0.119 R)
• M9: 5,033,819 km (0.036 R)
• M10: 5,750,393 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 12.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.11 AU - 1.79 AU

Year: 1184 Days

Day: 7.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,746,364 km

• M1: 154,235 km (0.11 R)
• M2: 615,595 km (0.103 R)
• M3: 1,000,810 km (0.098 R)
• M4: 1,602,193 km (0.107 R)
• M5: 2,066,844 km (0.116 R)
• M6: 2,566,052 km (0.115 R)
• M7: 3,460,049 km (0.092 R)
• M8: 4,600,883 km (0.091 R)
• M9: 5,724,512 km (0.107 R)
• M10: 6,465,171 km (0.117 R)
• M11: 8,113,291 km (0.102 R)
• M12: 8,509,127 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 9.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.19 AU - 3.49 AU

Year: 3246 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 128.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,746,364 km

• M1: 116,836 km (0.085 R)
• M2: 615,146 km (0.073 R)
• M3: 1,079,349 km (0.073 R)
• M4: 2,039,019 km (0.028 R)
• M5: 2,641,001 km (0.063 R)
• M6: 3,135,721 km (0.067 R)
• M7: 3,588,703 km (0.115 R)
• M8: 5,875,456 km (0.083 R)
• M9: 6,930,720 km (0.058 R)
• M10: 7,644,601 km (0.107 R)
• M11: 11,290,151 km (0.074 R)
• M12: 12,474,069 km (0.04 R)
• M13: 13,612,808 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 12.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3 AU - 4.74 AU

Year: 5164 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,746,364 km

• M1: 155,432 km (0.104 R)
• M2: 573,708 km (0.044 R)
• M3: 997,668 km (0.092 R)
• M4: 1,485,058 km (0.05 R)
• M5: 2,884,845 km (0.037 R)
• M6: 3,696,863 km (0.086 R)
• M7: 4,327,418 km (0.11 R)
• M8: 5,306,984 km (0.088 R)
• M9: 7,739,895 km (0.102 R)
• M10: 12,332,998 km (0.108 R)
• M11: 13,851,267 km (0.104 R)
• M12: 25,260,648 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.9

Radius: 3.5

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.83 AU - 9.07 AU

Year: 13792 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,746,364 km

• M1: 43,832 km (0.107 R)
• M2: 950,096 km (0.108 R)
• M3: 1,593,068 km (0.051 R)
• M4: 2,245,314 km (0.119 R)
• M5: 2,640,702 km (0.107 R)
• M6: 3,691,327 km (0.068 R)
• M7: 3,868,751 km (0.034 R)
• M8: 4,520,100 km (0.092 R)
• M9: 4,932,092 km (0.092 R)
• M10: 6,106,136 km (0.107 R)
• M11: 6,683,135 km (0.074 R)
• M12: 8,764,341 km (0.092 R)
• M13: 10,979,437 km (0.08 R)
• M14: 11,293,442 km (0.099 R)
• M15: 12,838,040 km (0.113 R)
• M16: 13,481,461 km (0.067 R)
• M17: 15,151,721 km (0.115 R)
• M18: 17,586,426 km (0.102 R)
• M19: 17,728,844 km (0.118 R)
• M20: 19,120,553 km (0.058 R)
• M21: 19,881,557 km (0.051 R)
• M22: 21,382,622 km (0.117 R)
• M23: 29,326,269 km (0.076 R)
• M24: 40,006,659 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.7

Radius: 3.5

Gravity: 51.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.22 AU - 8.78 AU

Year: 16808 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,746,364 km

• M1: 43,832 km (0.11 R)
• M2: 162,762 km (0.054 R)
• M3: 545,883 km (0.028 R)
• M4: 1,021,604 km (0.116 R)
• M5: 1,747,453 km (0.11 R)
• M6: 2,671,818 km (0.095 R)
• M7: 4,092,848 km (0.064 R)
• M8: 5,303,843 km (0.092 R)
• M9: 5,451,646 km (0.05 R)
• M10: 8,109,401 km (0.107 R)
• M11: 8,505,237 km (0.09 R)
• M12: 13,537,560 km (0.059 R)
• M13: 17,921,077 km (0.074 R)
• M14: 18,338,156 km (0.09 R)
• M15: 19,365,444 km (0.11 R)
• M16: 21,627,514 km (0.097 R)
• M17: 23,858,616 km (0.086 R)
• M18: 25,185,250 km (0.094 R)
• M19: 30,745,654 km (0.108 R)
• M20: 32,932,176 km (0.112 R)
• M21: 39,967,614 km (0.114 R)
• M22: 48,100,802 km (0.089 R)
• M23: 48,905,190 km (0.11 R)
• M24: 62,452,174 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 16,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit