🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 8.2

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.77 AU - 1.09 AU

Year: 579 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,665,758 km

• M1: 102,175 km (0.079 R)
• M2: 379,380 km (0.12 R)
• M3: 685,308 km (0.075 R)
• M4: 1,635,554 km (0.069 R)
• M5: 1,991,896 km (0.076 R)
• M6: 2,321,460 km (0.082 R)
• M7: 3,271,257 km (0.099 R)
• M8: 3,895,678 km (0.104 R)
• M9: 4,474,622 km (0.082 R)
• M10: 4,785,037 km (0.102 R)
• M11: 5,060,148 km (0.093 R)
• M12: 5,749,345 km (0.072 R)
• M13: 6,079,358 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 10.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.16 AU - 1.66 AU

Year: 1081 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,665,758 km

• M1: 133,292 km (0.115 R)
• M2: 515,215 km (0.098 R)
• M3: 1,216,530 km (0.099 R)
• M4: 1,762,413 km (0.112 R)
• M5: 3,078,575 km (0.108 R)
• M6: 3,421,453 km (0.08 R)
• M7: 4,033,607 km (0.057 R)
• M8: 4,699,019 km (0.075 R)
• M9: 5,215,131 km (0.057 R)
• M10: 6,897,210 km (0.095 R)
• M11: 7,387,741 km (0.118 R)
• M12: 8,329,460 km (0.104 R)
• M13: 8,688,644 km (0.085 R)
• M14: 9,173,940 km (0.031 R)
• M15: 10,261,217 km (0.062 R)
• M16: 10,868,884 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.2

Radius: 10.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.34 AU - 1.5 AU

Year: 1093 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,665,758 km

• M1: 134,339 km (0.091 R)
• M2: 485,595 km (0.102 R)
• M3: 1,830,928 km (0.037 R)
• M4: 2,374,567 km (0.055 R)
• M5: 2,790,599 km (0.047 R)
• M6: 3,382,857 km (0.096 R)
• M7: 3,771,213 km (0.11 R)
• M8: 4,155,978 km (0.084 R)
• M9: 4,531,619 km (0.092 R)
• M10: 5,195,833 km (0.105 R)
• M11: 6,927,429 km (0.097 R)
• M12: 7,885,902 km (0.102 R)
• M13: 8,224,442 km (0.071 R)
• M14: 8,599,783 km (0.098 R)
• M15: 10,156,499 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.6

Radius: 14.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.1 AU - 2.4 AU

Year: 2179 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,665,758 km

• M1: 180,265 km (0.109 R)
• M2: 709,393 km (0.049 R)
• M3: 1,278,314 km (0.091 R)
• M4: 1,738,626 km (0.097 R)
• M5: 2,275,234 km (0.102 R)
• M6: 2,982,084 km (0.094 R)
• M7: 3,537,840 km (0.1 R)
• M8: 4,694,082 km (0.107 R)
• M9: 5,338,101 km (0.111 R)
• M10: 9,353,756 km (0.088 R)
• M11: 9,822,447 km (0.099 R)
• M12: 11,972,766 km (0.09 R)
• M13: 12,526,129 km (0.05 R)
• M14: 14,201,775 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 12.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.2 AU - 2.56 AU

Year: 2371 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,665,758 km

• M1: 158,873 km (0.077 R)
• M2: 579,991 km (0.099 R)
• M3: 1,092,064 km (0.079 R)
• M4: 1,600,548 km (0.056 R)
• M5: 3,471,269 km (0.071 R)
• M6: 4,572,609 km (0.087 R)
• M7: 5,228,446 km (0.109 R)
• M8: 6,234,940 km (0.047 R)
• M9: 6,898,556 km (0.099 R)
• M10: 7,426,786 km (0.039 R)
• M11: 9,598,349 km (0.108 R)
• M12: 10,145,728 km (0.098 R)
• M13: 12,375,933 km (0.082 R)
• M14: 12,806,176 km (0.088 R)
• M15: 13,879,541 km (0.111 R)
• M16: 14,723,422 km (0.077 R)
• M17: 15,800,677 km (0.084 R)
• M18: 18,611,471 km (0.102 R)
• M19: 19,006,110 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.32 AU - 3.66 AU

Year: 4210 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,665,758 km

• M1: 165,455 km (0.105 R)
• M2: 606,619 km (0.105 R)
• M3: 1,238,970 km (0.114 R)
• M4: 1,906,774 km (0.101 R)
• M5: 2,605,995 km (0.116 R)
• M6: 3,257,344 km (0.053 R)
• M7: 3,993,366 km (0.069 R)
• M8: 6,414,607 km (0.068 R)
• M9: 8,642,269 km (0.078 R)
• M10: 11,983,388 km (0.096 R)
• M11: 13,941,175 km (0.118 R)
• M12: 16,160,908 km (0.072 R)
• M13: 17,147,058 km (0.093 R)
• M14: 20,748,028 km (0.083 R)
• M15: 22,122,832 km (0.075 R)
• M16: 26,059,051 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 10.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.17 AU - 3.93 AU

Year: 4319 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,665,758 km

• M1: 207,193 km (0.037 R)
• M2: 762,800 km (0.117 R)
• M3: 1,338,751 km (0.117 R)
• M4: 3,406,792 km (0.107 R)
• M5: 4,327,866 km (0.093 R)
• M6: 6,192,903 km (0.104 R)
• M7: 8,648,403 km (0.109 R)
• M8: 10,965,973 km (0.113 R)
• M9: 13,669,805 km (0.106 R)
• M10: 14,866,288 km (0.112 R)
• M11: 15,228,166 km (0.106 R)
• M12: 15,648,835 km (0.107 R)
• M13: 18,694,498 km (0.117 R)
• M14: 19,237,987 km (0.09 R)
• M15: 22,927,968 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.2

Radius: 4.4

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.11 AU - 6.19 AU

Year: 9848 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,665,758 km

• M1: 54,902 km (0.103 R)
• M2: 569,968 km (0.118 R)
• M3: 814,560 km (0.12 R)
• M4: 1,287,290 km (0.107 R)
• M5: 1,439,281 km (0.083 R)
• M6: 2,076,418 km (0.098 R)
• M7: 2,582,508 km (0.074 R)
• M8: 3,336,481 km (0.099 R)
• M9: 3,834,792 km (0.096 R)
• M10: 4,565,428 km (0.096 R)
• M11: 5,325,086 km (0.114 R)
• M12: 7,163,045 km (0.116 R)
• M13: 7,530,757 km (0.117 R)
• M14: 7,988,227 km (0.102 R)
• M15: 8,668,000 km (0.107 R)
• M16: 10,889,528 km (0.104 R)
• M17: 11,033,890 km (0.078 R)
• M18: 12,131,041 km (0.051 R)
• M19: 13,408,607 km (0.114 R)
• M20: 14,539,716 km (0.117 R)
• M21: 16,542,682 km (0.118 R)
• M22: 16,797,298 km (0.09 R)
• M23: 19,068,343 km (0.082 R)
• M24: 23,003,665 km (0.085 R)
• M25: 24,619,322 km (0.102 R)
• M26: 25,034,755 km (0.116 R)
• M27: 28,802,078 km (0.098 R)
• M28: 31,254,137 km (0.032 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: 200 - 10,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit