🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 10.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.65 AU

Year: 289 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,192,737 km

• M1: 127,607 km (0.097 R)
• M2: 506,987 km (0.111 R)
• M3: 955,332 km (0.094 R)
• M4: 1,273,377 km (0.065 R)
• M5: 1,840,802 km (0.096 R)
• M6: 2,452,059 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.9

Radius: 13.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.79 AU - 1.07 AU

Year: 619 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,192,737 km

• M1: 174,132 km (0.098 R)
• M2: 664,065 km (0.071 R)
• M3: 1,098,647 km (0.07 R)
• M4: 1,665,623 km (0.045 R)
• M5: 2,986,123 km (0.119 R)
• M6: 3,779,141 km (0.084 R)
• M7: 4,278,050 km (0.096 R)
• M8: 5,253,877 km (0.053 R)
• M9: 6,916,957 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 12.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.21 AU - 1.45 AU

Year: 1059 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,192,737 km

• M1: 217,366 km (0.112 R)
• M2: 1,153,549 km (0.102 R)
• M3: 1,564,046 km (0.106 R)
• M4: 1,973,346 km (0.076 R)
• M5: 4,678,673 km (0.081 R)
• M6: 6,158,196 km (0.086 R)
• M7: 7,126,244 km (0.046 R)
• M8: 7,981,944 km (0.112 R)
• M9: 8,489,380 km (0.054 R)
• M10: 10,390,171 km (0.083 R)
• M11: 10,834,177 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 11.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.25 AU - 1.83 AU

Year: 1319 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,192,737 km

• M1: 143,016 km (0.102 R)
• M2: 505,641 km (0.077 R)
• M3: 1,290,431 km (0.069 R)
• M4: 1,751,941 km (0.108 R)
• M5: 2,112,771 km (0.107 R)
• M6: 2,710,713 km (0.117 R)
• M7: 3,071,394 km (0.076 R)
• M8: 3,587,058 km (0.097 R)
• M9: 4,159,868 km (0.074 R)
• M10: 5,044,141 km (0.092 R)
• M11: 6,343,698 km (0.105 R)
• M12: 7,670,182 km (0.082 R)
• M13: 8,178,366 km (0.087 R)
• M14: 9,143,871 km (0.085 R)
• M15: 10,343,197 km (0.115 R)
• M16: 10,798,423 km (0.074 R)
• M17: 11,199,196 km (0.108 R)
• M18: 11,783,974 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.4

Radius: 6.6

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.37 AU - 10.39 AU

Year: 16745 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,192,737 km

• M1: 108,309 km (0.12 R)
• M2: 395,088 km (0.076 R)
• M3: 1,107,623 km (0.081 R)
• M4: 1,475,484 km (0.087 R)
• M5: 1,868,328 km (0.102 R)
• M6: 2,564,257 km (0.034 R)
• M7: 5,166,662 km (0.074 R)
• M8: 5,494,281 km (0.1 R)
• M9: 5,835,663 km (0.053 R)
• M10: 6,477,289 km (0.109 R)
• M11: 10,696,397 km (0.077 R)
• M12: 12,219,304 km (0.098 R)
• M13: 12,605,266 km (0.077 R)
• M14: 13,469,343 km (0.097 R)
• M15: 15,167,429 km (0.102 R)
• M16: 15,613,231 km (0.117 R)
• M17: 17,565,632 km (0.112 R)
• M18: 19,068,193 km (0.107 R)
• M19: 20,116,276 km (0.031 R)
• M20: 20,745,036 km (0.09 R)
• M21: 21,110,204 km (0.08 R)
• M22: 21,759,609 km (0.046 R)
• M23: 29,574,452 km (0.045 R)
• M24: 30,504,502 km (0.055 R)
• M25: 34,803,645 km (0.068 R)
• M26: 36,102,305 km (0.071 R)
• M27: 45,955,718 km (0.082 R)
• M28: 46,265,385 km (0.078 R)
• M29: 48,953,510 km (0.118 R)
• M30: 49,438,356 km (0.06 R)

Asteroid Belt

Center: 9.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 6.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.2 AU - 10.38 AU

Year: 21144 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,192,737 km

• M1: 79,736 km (0.106 R)
• M2: 372,947 km (0.086 R)
• M3: 1,269,488 km (0.119 R)
• M4: 6,442,731 km (0.089 R)
• M5: 9,966,659 km (0.073 R)
• M6: 10,876,364 km (0.099 R)
• M7: 12,134,332 km (0.092 R)
• M8: 13,871,911 km (0.109 R)
• M9: 16,124,855 km (0.106 R)
• M10: 16,779,196 km (0.045 R)
• M11: 18,848,584 km (0.111 R)
• M12: 20,571,353 km (0.036 R)
• M13: 21,082,230 km (0.065 R)
• M14: 21,864,477 km (0.097 R)
• M15: 24,802,280 km (0.072 R)
• M16: 29,902,969 km (0.119 R)
• M17: 33,276,251 km (0.089 R)
• M18: 35,417,445 km (0.102 R)
• M19: 38,798,806 km (0.087 R)
• M20: 39,840,456 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 18,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit