🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 8.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.84 AU

Year: 396 Days

Day: 9.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,116,795 km

• M1: 113,844 km (0.12 R)
• M2: 438,471 km (0.049 R)
• M3: 832,063 km (0.083 R)
• M4: 1,320,949 km (0.084 R)
• M5: 1,684,173 km (0.075 R)
• M6: 2,372,921 km (0.119 R)
• M7: 2,904,592 km (0.112 R)
• M8: 4,007,877 km (0.079 R)
• M9: 4,748,087 km (0.097 R)
• M10: 5,105,177 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 13.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.77 AU - 1.19 AU

Year: 670 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,116,795 km

• M1: 164,109 km (0.078 R)
• M2: 757,115 km (0.07 R)
• M3: 1,221,018 km (0.083 R)
• M4: 1,696,739 km (0.067 R)
• M5: 2,238,134 km (0.105 R)
• M6: 2,687,825 km (0.053 R)
• M7: 3,647,495 km (0.078 R)
• M8: 4,432,585 km (0.076 R)
• M9: 5,454,488 km (0.11 R)
• M10: 6,239,129 km (0.103 R)
• M11: 6,774,839 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 13.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.96 AU - 1.54 AU

Year: 965 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,116,795 km

• M1: 178,470 km (0.061 R)
• M2: 612,902 km (0.092 R)
• M3: 1,281,605 km (0.091 R)
• M4: 1,735,186 km (0.044 R)
• M5: 2,255,337 km (0.082 R)
• M6: 2,731,657 km (0.071 R)
• M7: 3,723,042 km (0.078 R)
• M8: 4,997,317 km (0.111 R)
• M9: 6,456,345 km (0.108 R)
• M10: 6,908,280 km (0.082 R)
• M11: 7,454,163 km (0.118 R)
• M12: 8,131,542 km (0.102 R)
• M13: 9,523,550 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 14.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.62 AU - 1.8 AU

Year: 1543 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,116,795 km

• M1: 181,612 km (0.099 R)
• M2: 1,075,609 km (0.077 R)
• M3: 2,069,537 km (0.101 R)
• M4: 2,635,017 km (0.091 R)
• M5: 3,928,290 km (0.103 R)
• M6: 4,555,405 km (0.046 R)
• M7: 5,145,718 km (0.11 R)
• M8: 7,308,305 km (0.037 R)
• M9: 8,433,131 km (0.112 R)
• M10: 9,204,308 km (0.09 R)
• M11: 12,094,988 km (0.099 R)
• M12: 12,693,080 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 12.1

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.85 AU - 2.27 AU

Year: 2041 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,116,795 km

• M1: 150,645 km (0.062 R)
• M2: 723,306 km (0.105 R)
• M3: 1,250,638 km (0.093 R)
• M4: 1,687,165 km (0.116 R)
• M5: 2,175,751 km (0.08 R)
• M6: 3,032,199 km (0.08 R)
• M7: 3,948,187 km (0.09 R)
• M8: 4,841,585 km (0.117 R)
• M9: 5,596,606 km (0.118 R)
• M10: 6,588,440 km (0.109 R)
• M11: 6,971,859 km (0.054 R)
• M12: 7,753,807 km (0.12 R)
• M13: 8,657,827 km (0.069 R)
• M14: 11,754,054 km (0.1 R)
• M15: 12,568,016 km (0.083 R)
• M16: 14,172,603 km (0.028 R)
• M17: 14,721,178 km (0.097 R)
• M18: 15,236,543 km (0.087 R)
• M19: 16,652,936 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 14.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.76 AU - 2.8 AU

Year: 2376 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,116,795 km

• M1: 177,872 km (0.088 R)
• M2: 636,539 km (0.108 R)
• M3: 1,087,726 km (0.113 R)
• M4: 1,629,121 km (0.101 R)
• M5: 2,529,999 km (0.116 R)
• M6: 4,027,324 km (0.04 R)
• M7: 4,481,204 km (0.091 R)
• M8: 5,011,828 km (0.031 R)
• M9: 5,792,430 km (0.11 R)
• M10: 6,940,444 km (0.117 R)
• M11: 8,814,905 km (0.036 R)
• M12: 9,586,082 km (0.075 R)
• M13: 10,755,040 km (0.049 R)
• M14: 13,709,897 km (0.092 R)
• M15: 14,178,437 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 13.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.53 AU - 2.57 AU

Year: 2811 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,116,795 km

• M1: 172,935 km (0.118 R)
• M2: 788,830 km (0.091 R)
• M3: 1,320,500 km (0.053 R)
• M4: 1,980,975 km (0.115 R)
• M5: 2,446,524 km (0.085 R)
• M6: 3,510,912 km (0.098 R)
• M7: 4,138,924 km (0.087 R)
• M8: 4,910,999 km (0.104 R)
• M9: 5,725,111 km (0.109 R)
• M10: 8,173,130 km (0.108 R)
• M11: 9,985,807 km (0.091 R)
• M12: 11,252,153 km (0.073 R)
• M13: 11,753,755 km (0.116 R)
• M14: 12,401,813 km (0.112 R)
• M15: 14,441,281 km (0.08 R)
• M16: 14,984,321 km (0.113 R)
• M17: 15,592,287 km (0.086 R)
• M18: 17,459,867 km (0.034 R)
• M19: 18,019,961 km (0.097 R)
• M20: 19,712,063 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 14.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.38 AU - 2.92 AU

Year: 2978 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,116,795 km

• M1: 179,966 km (0.118 R)
• M2: 989,590 km (0.062 R)
• M3: 1,482,664 km (0.11 R)
• M4: 2,400,447 km (0.094 R)
• M5: 3,079,771 km (0.104 R)
• M6: 4,005,483 km (0.038 R)
• M7: 5,157,686 km (0.116 R)
• M8: 6,549,245 km (0.089 R)
• M9: 8,858,887 km (0.065 R)
• M10: 10,178,938 km (0.1 R)
• M11: 12,356,036 km (0.118 R)
• M12: 13,253,175 km (0.098 R)
• M13: 15,077,221 km (0.069 R)
• M14: 15,686,683 km (0.091 R)
• M15: 16,365,409 km (0.1 R)
• M16: 17,392,398 km (0.032 R)
• M17: 17,950,099 km (0.119 R)
• M18: 19,695,008 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.9

Radius: 12.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.49 AU - 3.65 AU

Year: 3713 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,116,795 km

• M1: 160,369 km (0.074 R)
• M2: 564,582 km (0.083 R)
• M3: 1,540,708 km (0.09 R)
• M4: 2,495,741 km (0.119 R)
• M5: 2,990,013 km (0.096 R)
• M6: 3,412,776 km (0.071 R)
• M7: 4,289,869 km (0.114 R)
• M8: 5,182,369 km (0.105 R)
• M9: 5,632,210 km (0.095 R)
• M10: 6,194,997 km (0.103 R)
• M11: 7,205,681 km (0.107 R)
• M12: 8,287,722 km (0.059 R)
• M13: 9,017,311 km (0.106 R)
• M14: 11,115,720 km (0.058 R)
• M15: 11,687,483 km (0.107 R)
• M16: 13,571,220 km (0.111 R)
• M17: 14,122,937 km (0.114 R)
• M18: 15,271,399 km (0.06 R)
• M19: 16,034,049 km (0.119 R)
• M20: 16,879,277 km (0.114 R)
• M21: 17,753,827 km (0.115 R)
• M22: 19,215,846 km (0.044 R)
• M23: 21,692,888 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit