🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 9.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.74 AU - 0.86 AU

Year: 485 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,761,371 km

• M1: 113,395 km (0.091 R)
• M2: 489,783 km (0.089 R)
• M3: 975,079 km (0.097 R)
• M4: 1,351,916 km (0.081 R)
• M5: 1,927,868 km (0.095 R)
• M6: 2,218,836 km (0.117 R)
• M7: 2,725,524 km (0.085 R)
• M8: 3,094,432 km (0.098 R)
• M9: 3,811,604 km (0.1 R)
• M10: 4,379,328 km (0.092 R)
• M11: 4,760,354 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 9.3

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.79 AU - 1.05 AU

Year: 599 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,761,371 km

• M1: 115,789 km (0.034 R)
• M2: 507,735 km (0.1 R)
• M3: 1,057,956 km (0.116 R)
• M4: 1,742,366 km (0.047 R)
• M5: 2,145,233 km (0.096 R)
• M6: 2,763,970 km (0.101 R)
• M7: 4,669,249 km (0.071 R)
• M8: 5,205,108 km (0.108 R)
• M9: 5,560,553 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 8.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.18 AU - 1.62 AU

Year: 1124 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,761,371 km

• M1: 104,868 km (0.108 R)
• M2: 408,253 km (0.096 R)
• M3: 870,211 km (0.047 R)
• M4: 1,157,439 km (0.117 R)
• M5: 1,728,903 km (0.08 R)
• M6: 2,683,935 km (0.102 R)
• M7: 3,473,214 km (0.092 R)
• M8: 4,423,160 km (0.056 R)
• M9: 5,453,890 km (0.072 R)
• M10: 5,773,431 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 9.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.37 AU - 2.49 AU

Year: 2569 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,761,371 km

• M1: 120,875 km (0.113 R)
• M2: 454,030 km (0.096 R)
• M3: 819,348 km (0.062 R)
• M4: 1,643,033 km (0.081 R)
• M5: 2,408,825 km (0.091 R)
• M6: 2,772,497 km (0.087 R)
• M7: 3,223,535 km (0.1 R)
• M8: 3,593,341 km (0.097 R)
• M9: 5,635,202 km (0.033 R)
• M10: 6,442,881 km (0.119 R)
• M11: 8,951,039 km (0.088 R)
• M12: 10,573,727 km (0.047 R)
• M13: 12,855,992 km (0.098 R)
• M14: 14,065,940 km (0.092 R)
• M15: 14,865,840 km (0.083 R)
• M16: 16,096,731 km (0.103 R)
• M17: 17,769,684 km (0.111 R)
• M18: 18,592,622 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.46 AU - 3.1 AU

Year: 3144 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,761,371 km

• M1: 161,117 km (0.108 R)
• M2: 563,386 km (0.052 R)
• M3: 991,086 km (0.064 R)
• M4: 1,449,304 km (0.099 R)
• M5: 2,129,226 km (0.092 R)
• M6: 4,130,696 km (0.117 R)
• M7: 4,680,319 km (0.1 R)
• M8: 5,557,710 km (0.112 R)
• M9: 6,035,975 km (0.041 R)
• M10: 6,864,747 km (0.096 R)
• M11: 7,542,874 km (0.113 R)
• M12: 8,097,134 km (0.099 R)
• M13: 8,783,938 km (0.106 R)
• M14: 11,413,420 km (0.064 R)
• M15: 12,321,928 km (0.068 R)
• M16: 14,136,400 km (0.078 R)
• M17: 16,715,318 km (0.1 R)
• M18: 21,860,288 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.8

Radius: 13.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.02 AU - 4.86 AU

Year: 5304 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,761,371 km

• M1: 198,666 km (0.114 R)
• M2: 1,048,382 km (0.117 R)
• M3: 1,529,638 km (0.069 R)
• M4: 2,381,598 km (0.108 R)
• M5: 3,351,890 km (0.11 R)
• M6: 3,972,123 km (0.059 R)
• M7: 5,553,971 km (0.047 R)
• M8: 7,387,292 km (0.038 R)
• M9: 9,278,359 km (0.088 R)
• M10: 11,979,199 km (0.07 R)
• M11: 13,133,945 km (0.096 R)
• M12: 16,517,849 km (0.114 R)
• M13: 20,046,264 km (0.085 R)
• M14: 20,848,408 km (0.096 R)
• M15: 22,517,023 km (0.044 R)
• M16: 25,726,645 km (0.076 R)
• M17: 26,514,727 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 12.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.37 AU - 5.15 AU

Year: 5964 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,761,371 km

• M1: 153,039 km (0.078 R)
• M2: 864,227 km (0.099 R)
• M3: 1,578,706 km (0.083 R)
• M4: 2,210,009 km (0.105 R)
• M5: 5,480,069 km (0.061 R)
• M6: 6,074,571 km (0.047 R)
• M7: 7,977,905 km (0.101 R)
• M8: 8,668,000 km (0.087 R)
• M9: 9,279,706 km (0.101 R)
• M10: 9,757,072 km (0.093 R)
• M11: 10,718,239 km (0.069 R)
• M12: 11,199,794 km (0.112 R)
• M13: 21,280,596 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 11,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit