🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 10.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.7 AU - 1.12 AU

Year: 599 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,567,735 km

• M1: 135,685 km (0.091 R)
• M2: 681,717 km (0.066 R)
• M3: 1,101,639 km (0.11 R)
• M4: 1,505,254 km (0.061 R)
• M5: 1,918,144 km (0.036 R)
• M6: 2,277,179 km (0.1 R)
• M7: 2,753,199 km (0.113 R)
• M8: 3,260,037 km (0.058 R)
• M9: 3,623,560 km (0.113 R)
• M10: 4,261,894 km (0.064 R)
• M11: 5,211,840 km (0.097 R)
• M12: 5,642,981 km (0.098 R)
• M13: 5,990,647 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 13.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.74 AU - 1.18 AU

Year: 649 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,567,735 km

• M1: 167,998 km (0.119 R)
• M2: 618,737 km (0.062 R)
• M3: 1,160,730 km (0.084 R)
• M4: 2,145,533 km (0.102 R)
• M5: 2,622,899 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 13.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1 AU - 1.66 AU

Year: 1059 Days

Day: 10.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,567,735 km

• M1: 165,455 km (0.083 R)
• M2: 982,110 km (0.106 R)
• M3: 1,410,110 km (0.034 R)
• M4: 1,822,551 km (0.094 R)
• M5: 2,389,228 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 9.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.37 AU - 1.79 AU

Year: 1371 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,567,735 km

• M1: 121,922 km (0.079 R)
• M2: 426,952 km (0.087 R)
• M3: 1,032,225 km (0.113 R)
• M4: 1,553,574 km (0.077 R)
• M5: 2,136,706 km (0.085 R)
• M6: 2,503,221 km (0.104 R)
• M7: 2,872,728 km (0.071 R)
• M8: 3,510,613 km (0.115 R)
• M9: 5,850,324 km (0.077 R)
• M10: 6,282,063 km (0.061 R)
• M11: 7,160,801 km (0.092 R)
• M12: 7,807,812 km (0.106 R)
• M13: 8,225,041 km (0.111 R)
• M14: 8,795,308 km (0.119 R)
• M15: 9,132,800 km (0.119 R)
• M16: 9,596,255 km (0.084 R)
• M17: 10,014,680 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 12.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.36 AU - 4.4 AU

Year: 5275 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,567,735 km

• M1: 156,629 km (0.077 R)
• M2: 587,770 km (0.099 R)
• M3: 1,014,124 km (0.044 R)
• M4: 2,255,637 km (0.063 R)
• M5: 3,911,984 km (0.113 R)
• M6: 4,579,041 km (0.118 R)
• M7: 5,343,786 km (0.089 R)
• M8: 6,851,134 km (0.097 R)
• M9: 7,556,787 km (0.067 R)
• M10: 8,466,940 km (0.045 R)
• M11: 10,614,867 km (0.076 R)
• M12: 11,638,565 km (0.109 R)
• M13: 12,114,136 km (0.104 R)
• M14: 12,935,728 km (0.108 R)
• M15: 15,529,157 km (0.07 R)
• M16: 16,548,217 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.3

Radius: 7.1

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.12 AU - 6.42 AU

Year: 9567 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,567,735 km

• M1: 93,349 km (0.105 R)
• M2: 510,578 km (0.076 R)
• M3: 864,975 km (0.095 R)
• M4: 1,271,731 km (0.103 R)
• M5: 1,591,721 km (0.037 R)
• M6: 2,027,350 km (0.051 R)
• M7: 3,652,133 km (0.093 R)
• M8: 4,383,068 km (0.07 R)
• M9: 4,628,708 km (0.109 R)
• M10: 5,058,502 km (0.107 R)
• M11: 5,514,626 km (0.067 R)
• M12: 13,099,837 km (0.082 R)
• M13: 20,521,986 km (0.079 R)
• M14: 21,837,400 km (0.071 R)
• M15: 24,635,179 km (0.07 R)
• M16: 24,979,404 km (0.114 R)
• M17: 26,567,684 km (0.109 R)
• M18: 31,532,688 km (0.1 R)
• M19: 38,564,985 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.9

Radius: 4.3

Gravity: 31.15 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.11 AU - 9.43 AU

Year: 19482 Days

Day: 16 Hours

Environment

Temp: -244 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,567,735 km

• M1: 56,698 km (0.073 R)
• M2: 197,918 km (0.057 R)
• M3: 431,440 km (0.1 R)
• M4: 669,899 km (0.075 R)
• M5: 856,747 km (0.074 R)
• M6: 1,116,000 km (0.06 R)
• M7: 1,720,376 km (0.12 R)
• M8: 2,215,694 km (0.093 R)
• M9: 2,364,095 km (0.104 R)
• M10: 3,025,168 km (0.09 R)
• M11: 5,543,349 km (0.058 R)
• M12: 7,281,377 km (0.064 R)
• M13: 8,298,792 km (0.119 R)
• M14: 8,762,396 km (0.074 R)
• M15: 11,978,302 km (0.047 R)
• M16: 12,771,619 km (0.075 R)
• M17: 13,319,446 km (0.114 R)
• M18: 16,777,850 km (0.06 R)
• M19: 17,938,430 km (0.046 R)
• M20: 18,887,180 km (0.099 R)
• M21: 23,117,509 km (0.103 R)
• M22: 23,419,995 km (0.046 R)
• M23: 23,930,274 km (0.045 R)
• M24: 24,447,733 km (0.091 R)
• M25: 25,078,587 km (0.048 R)
• M26: 25,936,531 km (0.107 R)
• M27: 30,400,681 km (0.057 R)
• M28: 35,617,907 km (0.081 R)
• M29: 36,838,027 km (0.053 R)
• M30: 37,388,996 km (0.09 R)
• M31: 43,358,100 km (0.073 R)
• M32: 45,218,200 km (0.088 R)
• M33: 47,780,064 km (0.081 R)
• M34: 63,814,712 km (0.117 R)
• M35: 64,012,630 km (0.105 R)
• M36: 69,306,150 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 11,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit