🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 13.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.76 AU - 1 AU

Year: 525 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,928,696 km

• M1: 162,912 km (0.111 R)
• M2: 630,256 km (0.104 R)
• M3: 1,045,540 km (0.104 R)
• M4: 1,619,098 km (0.101 R)
• M5: 2,058,616 km (0.089 R)
• M6: 2,511,599 km (0.099 R)
• M7: 2,945,283 km (0.038 R)
• M8: 3,393,777 km (0.116 R)
• M9: 3,940,258 km (0.058 R)
• M10: 4,794,911 km (0.057 R)
• M11: 5,226,950 km (0.093 R)
• M12: 5,906,872 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 9.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.94 AU - 1.08 AU

Year: 645 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,928,696 km

• M1: 120,576 km (0.04 R)
• M2: 484,697 km (0.054 R)
• M3: 995,873 km (0.061 R)
• M4: 1,305,840 km (0.102 R)
• M5: 1,642,435 km (0.093 R)
• M6: 2,055,475 km (0.116 R)
• M7: 2,601,058 km (0.077 R)
• M8: 3,215,756 km (0.112 R)
• M9: 3,867,554 km (0.05 R)
• M10: 4,462,804 km (0.084 R)
• M11: 4,881,827 km (0.058 R)
• M12: 5,204,360 km (0.106 R)
• M13: 5,724,363 km (0.102 R)
• M14: 7,122,803 km (0.081 R)
• M15: 7,538,835 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 12.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.8 AU - 2.58 AU

Year: 2061 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,928,696 km

• M1: 157,975 km (0.1 R)
• M2: 553,811 km (0.115 R)
• M3: 1,048,831 km (0.046 R)
• M4: 2,012,391 km (0.102 R)
• M5: 2,623,647 km (0.082 R)
• M6: 3,970,028 km (0.032 R)
• M7: 4,579,640 km (0.031 R)
• M8: 5,621,888 km (0.067 R)
• M9: 6,247,207 km (0.025 R)
• M10: 6,664,585 km (0.119 R)
• M11: 7,473,760 km (0.08 R)
• M12: 8,202,002 km (0.044 R)
• M13: 10,230,550 km (0.086 R)
• M14: 10,812,186 km (0.089 R)
• M15: 11,488,219 km (0.06 R)
• M16: 12,192,376 km (0.098 R)
• M17: 12,651,791 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.5

Radius: 9.4

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.81 AU - 4.39 AU

Year: 4343 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,928,696 km

• M1: 118,332 km (0.106 R)
• M2: 465,997 km (0.086 R)
• M3: 760,406 km (0.091 R)
• M4: 2,094,370 km (0.101 R)
• M5: 2,398,054 km (0.12 R)
• M6: 3,020,381 km (0.089 R)
• M7: 3,945,345 km (0.12 R)
• M8: 4,316,347 km (0.115 R)
• M9: 5,128,813 km (0.1 R)
• M10: 5,890,566 km (0.073 R)
• M11: 7,996,455 km (0.097 R)
• M12: 9,059,198 km (0.101 R)
• M13: 10,256,430 km (0.114 R)
• M14: 11,980,845 km (0.112 R)
• M15: 12,514,161 km (0.096 R)
• M16: 12,962,207 km (0.055 R)
• M17: 13,628,366 km (0.118 R)
• M18: 14,479,279 km (0.108 R)
• M19: 15,994,705 km (0.064 R)
• M20: 17,001,648 km (0.084 R)
• M21: 17,428,302 km (0.111 R)
• M22: 18,430,458 km (0.111 R)
• M23: 18,880,747 km (0.104 R)
• M24: 19,603,155 km (0.114 R)
• M25: 20,686,842 km (0.094 R)
• M26: 23,948,076 km (0.12 R)
• M27: 24,872,441 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 11.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.92 AU - 4.38 AU

Year: 5375 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,928,696 km

• M1: 139,874 km (0.118 R)
• M2: 688,449 km (0.057 R)
• M3: 1,048,681 km (0.043 R)
• M4: 1,528,591 km (0.092 R)
• M5: 1,892,563 km (0.073 R)
• M6: 2,664,637 km (0.073 R)
• M7: 3,912,134 km (0.094 R)
• M8: 4,271,917 km (0.113 R)
• M9: 5,296,662 km (0.086 R)
• M10: 7,862,864 km (0.119 R)
• M11: 9,595,656 km (0.112 R)
• M12: 10,594,671 km (0.104 R)
• M13: 11,707,679 km (0.041 R)
• M14: 15,293,091 km (0.065 R)
• M15: 19,551,843 km (0.076 R)
• M16: 20,881,020 km (0.114 R)
• M17: 26,166,612 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.9

Radius: 8.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.2 AU - 6.04 AU

Year: 7366 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,928,696 km

• M1: 100,679 km (0.107 R)
• M2: 1,193,342 km (0.109 R)
• M3: 1,456,485 km (0.102 R)
• M4: 2,553,486 km (0.119 R)
• M5: 4,145,507 km (0.091 R)
• M6: 5,026,040 km (0.092 R)
• M7: 5,354,257 km (0.088 R)
• M8: 8,697,321 km (0.066 R)
• M9: 10,533,784 km (0.074 R)
• M10: 11,716,954 km (0.06 R)
• M11: 13,127,662 km (0.099 R)
• M12: 13,557,606 km (0.115 R)
• M13: 13,849,472 km (0.089 R)
• M14: 15,267,211 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.1

Radius: 14.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.75 AU - 6.69 AU

Year: 8698 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,928,696 km

• M1: 182,809 km (0.052 R)
• M2: 2,055,026 km (0.086 R)
• M3: 3,289,657 km (0.105 R)
• M4: 4,241,848 km (0.105 R)
• M5: 6,662,940 km (0.093 R)
• M6: 8,462,153 km (0.096 R)
• M7: 9,474,931 km (0.113 R)
• M8: 10,935,455 km (0.069 R)
• M9: 14,802,410 km (0.043 R)
• M10: 15,842,564 km (0.074 R)
• M11: 16,709,334 km (0.031 R)
• M12: 17,210,637 km (0.114 R)
• M13: 20,878,178 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit