🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 13.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.86 AU - 0.92 AU

Year: 534 Days

Day: 7.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,440,321 km

• M1: 170,392 km (0.1 R)
• M2: 733,778 km (0.075 R)
• M3: 1,231,190 km (0.091 R)
• M4: 1,894,507 km (0.102 R)
• M5: 2,408,825 km (0.101 R)
• M6: 2,950,070 km (0.118 R)
• M7: 3,622,662 km (0.12 R)
• M8: 4,057,543 km (0.056 R)
• M9: 4,557,050 km (0.034 R)
• M10: 5,375,650 km (0.113 R)
• M11: 5,980,474 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 12.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.66 AU - 2.38 AU

Year: 1825 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,440,321 km

• M1: 156,629 km (0.086 R)
• M2: 745,147 km (0.074 R)
• M3: 2,000,722 km (0.104 R)
• M4: 2,776,985 km (0.106 R)
• M5: 3,575,240 km (0.057 R)
• M6: 5,032,024 km (0.088 R)
• M7: 6,049,439 km (0.043 R)
• M8: 8,642,568 km (0.054 R)
• M9: 10,133,012 km (0.093 R)
• M10: 11,084,305 km (0.118 R)
• M11: 13,123,473 km (0.12 R)
• M12: 14,688,117 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 12.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.45 AU - 3.17 AU

Year: 2995 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,440,321 km

• M1: 153,039 km (0.076 R)
• M2: 882,627 km (0.08 R)
• M3: 1,310,178 km (0.112 R)
• M4: 1,842,298 km (0.119 R)
• M5: 2,355,269 km (0.096 R)
• M6: 2,946,031 km (0.116 R)
• M7: 3,732,018 km (0.113 R)
• M8: 4,493,621 km (0.11 R)
• M9: 5,032,622 km (0.058 R)
• M10: 5,536,168 km (0.095 R)
• M11: 6,212,949 km (0.111 R)
• M12: 6,763,469 km (0.076 R)
• M13: 7,189,823 km (0.105 R)
• M14: 8,403,960 km (0.111 R)
• M15: 9,041,995 km (0.088 R)
• M16: 9,485,253 km (0.106 R)
• M17: 10,415,153 km (0.111 R)
• M18: 12,054,746 km (0.048 R)
• M19: 12,546,923 km (0.077 R)
• M20: 13,715,432 km (0.04 R)
• M21: 16,649,345 km (0.113 R)
• M22: 20,352,940 km (0.111 R)
• M23: 22,496,977 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.5

Radius: 10.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.9 AU - 3.11 AU

Year: 3304 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,440,321 km

• M1: 129,402 km (0.113 R)
• M2: 812,167 km (0.085 R)
• M3: 1,344,286 km (0.037 R)
• M4: 1,691,354 km (0.055 R)
• M5: 2,074,773 km (0.104 R)
• M6: 3,003,925 km (0.052 R)
• M7: 3,380,613 km (0.101 R)
• M8: 5,307,732 km (0.078 R)
• M9: 5,737,677 km (0.031 R)
• M10: 6,722,330 km (0.032 R)
• M11: 7,399,859 km (0.088 R)
• M12: 7,846,109 km (0.079 R)
• M13: 8,310,311 km (0.046 R)
• M14: 10,352,771 km (0.088 R)
• M15: 10,987,664 km (0.114 R)
• M16: 11,847,553 km (0.07 R)
• M17: 13,525,143 km (0.074 R)
• M18: 14,284,053 km (0.117 R)
• M19: 15,355,773 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.5

Radius: 5.1

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.42 AU - 9.66 AU

Year: 14495 Days

Day: 21.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,440,321 km

• M1: 63,429 km (0.105 R)
• M2: 233,073 km (0.096 R)
• M3: 531,671 km (0.03 R)
• M4: 710,440 km (0.03 R)
• M5: 1,027,737 km (0.094 R)
• M6: 1,283,849 km (0.089 R)
• M7: 1,507,049 km (0.107 R)
• M8: 3,107,297 km (0.119 R)
• M9: 4,036,151 km (0.11 R)
• M10: 4,517,257 km (0.119 R)
• M11: 4,771,574 km (0.091 R)
• M12: 5,239,965 km (0.081 R)
• M13: 8,283,533 km (0.068 R)
• M14: 8,762,246 km (0.118 R)
• M15: 10,750,552 km (0.07 R)
• M16: 12,029,314 km (0.101 R)
• M17: 12,395,081 km (0.097 R)
• M18: 27,859,013 km (0.116 R)
• M19: 30,589,324 km (0.106 R)
• M20: 30,815,067 km (0.101 R)
• M21: 31,845,198 km (0.115 R)
• M22: 35,196,340 km (0.096 R)
• M23: 35,444,373 km (0.074 R)
• M24: 36,321,615 km (0.073 R)
• M25: 38,907,414 km (0.096 R)
• M26: 50,008,474 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 6.9

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.92 AU - 11.26 AU

Year: 17425 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,440,321 km

• M1: 85,869 km (0.03 R)
• M2: 321,935 km (0.064 R)
• M3: 671,694 km (0.041 R)
• M4: 888,312 km (0.084 R)
• M5: 1,289,982 km (0.113 R)
• M6: 2,033,783 km (0.073 R)
• M7: 2,279,572 km (0.036 R)
• M8: 3,384,353 km (0.114 R)
• M9: 3,761,190 km (0.072 R)
• M10: 4,462,654 km (0.104 R)
• M11: 5,098,744 km (0.106 R)
• M12: 6,637,957 km (0.113 R)
• M13: 8,360,277 km (0.116 R)
• M14: 10,722,577 km (0.1 R)
• M15: 12,591,952 km (0.111 R)
• M16: 14,743,917 km (0.046 R)
• M17: 15,279,179 km (0.114 R)
• M18: 15,512,551 km (0.086 R)
• M19: 19,395,214 km (0.119 R)
• M20: 20,130,787 km (0.044 R)
• M21: 21,076,096 km (0.102 R)
• M22: 22,953,250 km (0.031 R)
• M23: 29,851,058 km (0.107 R)
• M24: 31,079,257 km (0.115 R)
• M25: 33,635,884 km (0.082 R)
• M26: 35,370,921 km (0.077 R)
• M27: 36,191,465 km (0.066 R)
• M28: 50,756,314 km (0.05 R)
• M29: 53,035,288 km (0.118 R)
• M30: 59,893,452 km (0.117 R)
• M31: 66,695,667 km (0.068 R)
• M32: 67,528,329 km (0.066 R)
• M33: 69,853,679 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit