🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 13.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.88 AU

Year: 401 Days

Day: 9.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,974,932 km

• M1: 169,195 km (0.084 R)
• M2: 599,439 km (0.095 R)
• M3: 1,110,764 km (0.119 R)
• M4: 1,564,943 km (0.067 R)
• M5: 2,045,751 km (0.097 R)
• M6: 2,519,079 km (0.064 R)
• M7: 3,147,390 km (0.085 R)
• M8: 3,691,627 km (0.098 R)
• M9: 4,247,532 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 10

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.71 AU - 1.11 AU

Year: 569 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,974,932 km

• M1: 124,765 km (0.069 R)
• M2: 508,184 km (0.043 R)
• M3: 890,257 km (0.075 R)
• M4: 1,267,543 km (0.091 R)
• M5: 1,687,165 km (0.108 R)
• M6: 2,057,120 km (0.119 R)
• M7: 2,742,727 km (0.078 R)
• M8: 3,258,690 km (0.088 R)
• M9: 5,398,838 km (0.059 R)
• M10: 6,171,959 km (0.09 R)
• M11: 7,300,526 km (0.116 R)
• M12: 7,637,121 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 10.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.74 AU - 1.18 AU

Year: 617 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,974,932 km

• M1: 131,945 km (0.052 R)
• M2: 495,169 km (0.101 R)
• M3: 851,361 km (0.042 R)
• M4: 1,419,085 km (0.095 R)
• M5: 1,774,979 km (0.118 R)
• M6: 2,422,887 km (0.102 R)
• M7: 3,106,250 km (0.119 R)
• M8: 3,475,159 km (0.076 R)
• M9: 4,359,731 km (0.097 R)
• M10: 4,824,083 km (0.111 R)
• M11: 5,746,952 km (0.05 R)
• M12: 6,121,844 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 12

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.03 AU - 1.39 AU

Year: 873 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,974,932 km

• M1: 155,283 km (0.102 R)
• M2: 664,514 km (0.107 R)
• M3: 1,107,024 km (0.077 R)
• M4: 1,558,361 km (0.083 R)
• M5: 1,948,662 km (0.104 R)
• M6: 2,561,415 km (0.103 R)
• M7: 3,354,283 km (0.054 R)
• M8: 4,126,508 km (0.088 R)
• M9: 4,640,975 km (0.111 R)
• M10: 6,169,715 km (0.096 R)
• M11: 7,985,834 km (0.091 R)
• M12: 8,445,249 km (0.116 R)
• M13: 9,250,085 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.2

Radius: 4.8

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.58 AU - 7.32 AU

Year: 10746 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 56.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,974,932 km

• M1: 59,690 km (0.113 R)
• M2: 602,730 km (0.054 R)
• M3: 798,254 km (0.1 R)
• M4: 1,627,625 km (0.09 R)
• M5: 2,201,333 km (0.046 R)
• M6: 2,979,690 km (0.046 R)
• M7: 3,376,424 km (0.101 R)
• M8: 3,854,988 km (0.115 R)
• M9: 7,416,614 km (0.061 R)
• M10: 8,873,697 km (0.111 R)
• M11: 13,522,750 km (0.075 R)
• M12: 13,970,796 km (0.105 R)
• M13: 15,435,060 km (0.111 R)
• M14: 15,678,455 km (0.088 R)
• M15: 17,258,209 km (0.074 R)
• M16: 22,008,988 km (0.084 R)
• M17: 26,074,310 km (0.118 R)
• M18: 27,296,226 km (0.082 R)
• M19: 28,647,394 km (0.085 R)
• M20: 29,385,809 km (0.115 R)
• M21: 31,287,497 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.3

Radius: 3.1

Gravity: 93.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.94 AU - 8.1 AU

Year: 12202 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,974,932 km

• M1: 38,596 km (0.086 R)
• M2: 244,892 km (0.097 R)
• M3: 382,372 km (0.094 R)
• M4: 482,902 km (0.079 R)
• M5: 806,482 km (0.053 R)
• M6: 1,298,659 km (0.094 R)
• M7: 1,640,640 km (0.1 R)
• M8: 1,772,735 km (0.068 R)
• M9: 1,929,813 km (0.074 R)
• M10: 2,192,506 km (0.092 R)
• M11: 2,353,025 km (0.099 R)
• M12: 4,322,481 km (0.079 R)
• M13: 7,440,998 km (0.039 R)
• M14: 7,757,547 km (0.108 R)
• M15: 9,165,263 km (0.119 R)
• M16: 10,791,542 km (0.076 R)
• M17: 13,576,156 km (0.06 R)
• M18: 21,946,905 km (0.079 R)
• M19: 28,700,800 km (0.086 R)
• M20: 30,841,247 km (0.101 R)
• M21: 31,773,391 km (0.114 R)
• M22: 34,807,236 km (0.059 R)
• M23: 40,605,649 km (0.066 R)
• M24: 41,724,641 km (0.071 R)
• M25: 43,008,041 km (0.118 R)
• M26: 43,732,245 km (0.084 R)
• M27: 45,353,886 km (0.102 R)
• M28: 48,873,475 km (0.059 R)
• M29: 51,102,633 km (0.115 R)
• M30: 51,751,738 km (0.08 R)
• M31: 52,900,949 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 11,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit