🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 10.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.86 AU - 1.26 AU

Year: 740 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,894,888 km

• M1: 126,859 km (0.117 R)
• M2: 515,813 km (0.1 R)
• M3: 1,019,061 km (0.105 R)
• M4: 1,481,767 km (0.09 R)
• M5: 2,235,740 km (0.077 R)
• M6: 2,576,823 km (0.119 R)
• M7: 3,115,675 km (0.074 R)
• M8: 3,854,988 km (0.106 R)
• M9: 4,211,629 km (0.096 R)
• M10: 4,547,326 km (0.084 R)
• M11: 4,885,717 km (0.06 R)
• M12: 5,629,966 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 14.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.01 AU - 1.57 AU

Year: 994 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,894,888 km

• M1: 178,171 km (0.083 R)
• M2: 796,459 km (0.03 R)
• M3: 1,293,274 km (0.093 R)
• M4: 1,828,684 km (0.079 R)
• M5: 2,340,758 km (0.077 R)
• M6: 2,962,038 km (0.085 R)
• M7: 3,770,016 km (0.078 R)
• M8: 4,433,931 km (0.07 R)
• M9: 4,982,207 km (0.099 R)
• M10: 5,783,902 km (0.097 R)
• M11: 6,577,519 km (0.11 R)
• M12: 7,049,201 km (0.052 R)
• M13: 7,594,186 km (0.112 R)
• M14: 9,023,594 km (0.072 R)
• M15: 10,372,518 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 13.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.24 AU - 1.58 AU

Year: 1136 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,894,888 km

• M1: 172,935 km (0.064 R)
• M2: 605,572 km (0.068 R)
• M3: 1,185,563 km (0.101 R)
• M4: 1,774,979 km (0.046 R)
• M5: 2,291,391 km (0.083 R)
• M6: 3,417,414 km (0.07 R)
• M7: 3,939,062 km (0.099 R)
• M8: 4,565,577 km (0.117 R)
• M9: 5,998,575 km (0.105 R)
• M10: 7,467,776 km (0.094 R)
• M11: 8,067,065 km (0.069 R)
• M12: 8,698,368 km (0.077 R)
• M13: 9,505,000 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 10.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.32 AU - 1.78 AU

Year: 1309 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,894,888 km

• M1: 136,284 km (0.1 R)
• M2: 517,010 km (0.116 R)
• M3: 972,985 km (0.073 R)
• M4: 1,385,725 km (0.072 R)
• M5: 1,783,655 km (0.119 R)
• M6: 2,438,595 km (0.116 R)
• M7: 3,448,081 km (0.028 R)
• M8: 3,874,585 km (0.12 R)
• M9: 4,755,417 km (0.068 R)
• M10: 6,586,794 km (0.105 R)
• M11: 7,299,179 km (0.11 R)
• M12: 7,701,598 km (0.032 R)
• M13: 8,090,552 km (0.061 R)
• M14: 9,398,935 km (0.064 R)
• M15: 11,156,560 km (0.095 R)
• M16: 11,511,257 km (0.107 R)
• M17: 12,582,827 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 11.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.01 AU - 2.87 AU

Year: 2585 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,894,888 km

• M1: 143,016 km (0.075 R)
• M2: 514,467 km (0.085 R)
• M3: 1,124,078 km (0.028 R)
• M4: 1,552,826 km (0.054 R)
• M5: 2,170,366 km (0.043 R)
• M6: 2,612,577 km (0.065 R)
• M7: 3,046,561 km (0.055 R)
• M8: 4,061,133 km (0.092 R)
• M9: 4,624,220 km (0.103 R)
• M10: 5,214,234 km (0.109 R)
• M11: 6,206,666 km (0.083 R)
• M12: 7,699,054 km (0.064 R)
• M13: 8,772,270 km (0.06 R)
• M14: 9,980,721 km (0.101 R)
• M15: 10,407,225 km (0.032 R)
• M16: 11,632,730 km (0.084 R)
• M17: 12,546,325 km (0.106 R)
• M18: 14,077,608 km (0.041 R)
• M19: 15,114,920 km (0.085 R)
• M20: 16,846,964 km (0.119 R)
• M21: 18,883,290 km (0.076 R)
• M22: 19,597,022 km (0.034 R)
• M23: 21,205,498 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 13.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.57 AU - 2.69 AU

Year: 2893 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,894,888 km

• M1: 162,912 km (0.069 R)
• M2: 647,759 km (0.101 R)
• M3: 1,133,952 km (0.079 R)
• M4: 2,015,233 km (0.097 R)
• M5: 2,921,048 km (0.063 R)
• M6: 3,367,448 km (0.119 R)
• M7: 3,859,625 km (0.119 R)
• M8: 4,711,286 km (0.104 R)
• M9: 5,454,638 km (0.086 R)
• M10: 6,219,681 km (0.079 R)
• M11: 7,390,883 km (0.099 R)
• M12: 8,161,162 km (0.109 R)
• M13: 10,167,419 km (0.115 R)
• M14: 10,796,628 km (0.105 R)
• M15: 11,451,567 km (0.097 R)
• M16: 12,307,566 km (0.095 R)
• M17: 16,428,389 km (0.089 R)
• M18: 17,021,395 km (0.078 R)
• M19: 18,250,491 km (0.066 R)
• M20: 18,828,238 km (0.12 R)
• M21: 19,717,897 km (0.098 R)
• M22: 20,822,228 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 13.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.67 AU - 3.67 AU

Year: 3828 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,894,888 km

• M1: 168,597 km (0.06 R)
• M2: 596,447 km (0.096 R)
• M3: 1,087,427 km (0.062 R)
• M4: 2,062,506 km (0.085 R)
• M5: 2,903,395 km (0.044 R)
• M6: 3,633,283 km (0.106 R)
• M7: 4,165,104 km (0.112 R)
• M8: 4,978,468 km (0.043 R)
• M9: 6,000,819 km (0.114 R)
• M10: 8,063,924 km (0.098 R)
• M11: 8,939,221 km (0.066 R)
• M12: 10,026,947 km (0.045 R)
• M13: 10,720,782 km (0.069 R)
• M14: 11,906,046 km (0.112 R)
• M15: 12,508,626 km (0.118 R)
• M16: 16,350,898 km (0.096 R)
• M17: 16,773,960 km (0.097 R)
• M18: 17,642,077 km (0.032 R)
• M19: 18,087,280 km (0.029 R)
• M20: 19,943,640 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 8.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.95 AU - 4.33 AU

Year: 5713 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,894,888 km

• M1: 111,151 km (0.085 R)
• M2: 444,306 km (0.06 R)
• M3: 816,804 km (0.064 R)
• M4: 1,136,645 km (0.066 R)
• M5: 1,875,509 km (0.078 R)
• M6: 3,260,785 km (0.113 R)
• M7: 4,783,841 km (0.082 R)
• M8: 6,112,120 km (0.07 R)
• M9: 6,573,480 km (0.099 R)
• M10: 7,497,097 km (0.099 R)
• M11: 8,504,639 km (0.062 R)
• M12: 8,963,007 km (0.065 R)
• M13: 10,963,729 km (0.045 R)
• M14: 12,452,228 km (0.057 R)
• M15: 13,093,853 km (0.095 R)
• M16: 13,550,874 km (0.098 R)
• M17: 17,660,029 km (0.047 R)
• M18: 19,174,258 km (0.039 R)
• M19: 23,187,820 km (0.09 R)
• M20: 26,021,502 km (0.085 R)
• M21: 26,906,673 km (0.096 R)
• M22: 27,811,591 km (0.108 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: 422 - 15,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit