🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

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: 154

Radius: 13.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.85 AU - 1.27 AU

Year: 705 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,499,805 km

• M1: 173,534 km (0.102 R)
• M2: 616,792 km (0.085 R)
• M3: 1,187,059 km (0.096 R)
• M4: 1,838,707 km (0.026 R)
• M5: 2,475,546 km (0.051 R)
• M6: 3,245,975 km (0.105 R)
• M7: 4,648,604 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 11.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.23 AU - 1.35 AU

Year: 946 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,499,805 km

• M1: 148,401 km (0.114 R)
• M2: 705,653 km (0.108 R)
• M3: 1,262,756 km (0.105 R)
• M4: 1,703,770 km (0.112 R)
• M5: 2,237,685 km (0.088 R)
• M6: 2,673,763 km (0.114 R)
• M7: 3,442,546 km (0.072 R)
• M8: 3,871,742 km (0.104 R)
• M9: 5,057,904 km (0.068 R)
• M10: 7,059,972 km (0.097 R)
• M11: 8,058,688 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 14.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.75 AU - 2.17 AU

Year: 1772 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,499,805 km

• M1: 184,005 km (0.103 R)
• M2: 1,025,643 km (0.105 R)
• M3: 1,659,190 km (0.118 R)
• M4: 2,432,312 km (0.104 R)
• M5: 3,024,271 km (0.044 R)
• M6: 3,572,547 km (0.116 R)
• M7: 4,395,933 km (0.07 R)
• M8: 5,362,934 km (0.086 R)
• M9: 6,239,877 km (0.047 R)
• M10: 7,310,399 km (0.057 R)
• M11: 9,602,687 km (0.112 R)
• M12: 11,095,524 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 13.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.26 AU - 3.76 AU

Year: 4246 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,499,805 km

• M1: 172,038 km (0.118 R)
• M2: 950,545 km (0.085 R)
• M3: 1,392,607 km (0.051 R)
• M4: 3,365,802 km (0.053 R)
• M5: 4,278,499 km (0.109 R)
• M6: 4,849,215 km (0.03 R)
• M7: 5,758,920 km (0.092 R)
• M8: 6,479,383 km (0.036 R)
• M9: 6,992,653 km (0.117 R)
• M10: 7,710,573 km (0.075 R)
• M11: 9,323,388 km (0.111 R)
• M12: 10,132,264 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 9.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.48 AU - 4.38 AU

Year: 5030 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,499,805 km

• M1: 121,922 km (0.035 R)
• M2: 535,560 km (0.119 R)
• M3: 1,162,675 km (0.09 R)
• M4: 1,978,881 km (0.081 R)
• M5: 2,422,289 km (0.084 R)
• M6: 2,808,850 km (0.053 R)
• M7: 3,761,788 km (0.057 R)
• M8: 5,233,382 km (0.084 R)
• M9: 6,558,670 km (0.099 R)
• M10: 6,887,486 km (0.096 R)
• M11: 7,578,329 km (0.052 R)
• M12: 10,145,129 km (0.079 R)
• M13: 17,330,315 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 8.6

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.67 AU - 4.29 AU

Year: 5127 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,499,805 km

• M1: 112,198 km (0.063 R)
• M2: 397,482 km (0.079 R)
• M3: 751,281 km (0.042 R)
• M4: 1,021,005 km (0.103 R)
• M5: 2,662,842 km (0.095 R)
• M6: 3,471,718 km (0.087 R)
• M7: 4,607,914 km (0.116 R)
• M8: 5,098,894 km (0.09 R)
• M9: 6,816,128 km (0.115 R)
• M10: 8,466,342 km (0.096 R)
• M11: 13,804,892 km (0.095 R)
• M12: 15,269,455 km (0.083 R)
• M13: 15,551,596 km (0.078 R)
• M14: 21,527,582 km (0.027 R)
• M15: 28,192,616 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 9.2

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.36 AU - 5.72 AU

Year: 7306 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,499,805 km

• M1: 121,025 km (0.104 R)
• M2: 419,173 km (0.091 R)
• M3: 859,440 km (0.054 R)
• M4: 1,148,164 km (0.111 R)
• M5: 1,765,704 km (0.048 R)
• M6: 3,414,272 km (0.087 R)
• M7: 6,677,899 km (0.105 R)
• M8: 7,282,275 km (0.117 R)
• M9: 8,046,869 km (0.107 R)
• M10: 8,819,542 km (0.046 R)
• M11: 10,763,268 km (0.027 R)
• M12: 11,277,585 km (0.093 R)
• M13: 13,678,332 km (0.099 R)
• M14: 14,590,430 km (0.039 R)
• M15: 15,029,649 km (0.094 R)
• M16: 15,672,471 km (0.082 R)
• M17: 17,499,660 km (0.102 R)
• M18: 19,314,282 km (0.096 R)
• M19: 23,398,902 km (0.062 R)
• M20: 23,828,098 km (0.117 R)
• M21: 30,501,211 km (0.118 R)
• M22: 31,635,462 km (0.065 R)
• M23: 32,797,538 km (0.107 R)
• M24: 33,335,193 km (0.119 R)
• M25: 37,849,159 km (0.112 R)
• M26: 40,620,908 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 19,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit