🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 12.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 14.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,341,385 km

• M1: 159,172 km (0.064 R)
• M2: 558,748 km (0.113 R)
• M3: 984,803 km (0.118 R)
• M4: 1,411,157 km (0.104 R)
• M5: 2,071,781 km (0.082 R)
• M6: 2,729,862 km (0.104 R)
• M7: 3,293,996 km (0.113 R)
• M8: 3,993,066 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 9.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.87 AU - 1.25 AU

Year: 728 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,341,385 km

• M1: 118,182 km (0.091 R)
• M2: 513,121 km (0.1 R)
• M3: 826,079 km (0.097 R)
• M4: 1,311,674 km (0.085 R)
• M5: 2,071,931 km (0.108 R)
• M6: 2,428,123 km (0.038 R)
• M7: 2,919,253 km (0.079 R)
• M8: 4,666,855 km (0.115 R)
• M9: 5,159,780 km (0.102 R)
• M10: 5,649,713 km (0.109 R)
• M11: 6,091,326 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 12.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.49 AU - 2.17 AU

Year: 1651 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,341,385 km

• M1: 158,125 km (0.039 R)
• M2: 1,665,323 km (0.1 R)
• M3: 2,109,629 km (0.09 R)
• M4: 2,813,188 km (0.111 R)
• M5: 3,517,196 km (0.099 R)
• M6: 4,222,400 km (0.113 R)
• M7: 4,832,011 km (0.118 R)
• M8: 5,939,035 km (0.107 R)
• M9: 6,967,371 km (0.045 R)
• M10: 10,661,840 km (0.093 R)
• M11: 12,216,611 km (0.114 R)
• M12: 14,649,222 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.78 AU - 2.76 AU

Year: 2281 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,341,385 km

• M1: 99,483 km (0.064 R)
• M2: 601,683 km (0.101 R)
• M3: 1,022,501 km (0.069 R)
• M4: 1,483,263 km (0.099 R)
• M5: 1,835,416 km (0.084 R)
• M6: 2,408,077 km (0.119 R)
• M7: 3,118,218 km (0.057 R)
• M8: 3,767,622 km (0.111 R)
• M9: 5,298,757 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 14

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.33 AU - 2.41 AU

Year: 2433 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,341,385 km

• M1: 180,116 km (0.039 R)
• M2: 712,535 km (0.082 R)
• M3: 1,177,335 km (0.091 R)
• M4: 1,779,317 km (0.065 R)
• M5: 2,295,579 km (0.087 R)
• M6: 3,333,789 km (0.097 R)
• M7: 3,905,402 km (0.026 R)
• M8: 4,501,550 km (0.114 R)
• M9: 5,158,135 km (0.055 R)
• M10: 5,878,000 km (0.1 R)
• M11: 6,480,580 km (0.118 R)
• M12: 7,291,550 km (0.051 R)
• M13: 7,869,147 km (0.057 R)
• M14: 8,477,263 km (0.082 R)
• M15: 8,953,732 km (0.115 R)
• M16: 9,414,493 km (0.041 R)
• M17: 12,481,250 km (0.081 R)
• M18: 12,974,025 km (0.063 R)
• M19: 16,403,407 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 13.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.51 AU - 2.55 AU

Year: 2684 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,341,385 km

• M1: 172,486 km (0.115 R)
• M2: 607,068 km (0.086 R)
• M3: 1,115,402 km (0.116 R)
• M4: 1,574,368 km (0.112 R)
• M5: 2,048,144 km (0.087 R)
• M6: 2,909,679 km (0.104 R)
• M7: 3,542,478 km (0.098 R)
• M8: 4,370,951 km (0.073 R)
• M9: 7,308,454 km (0.106 R)
• M10: 7,897,122 km (0.109 R)
• M11: 10,769,850 km (0.082 R)
• M12: 12,901,021 km (0.073 R)
• M13: 13,349,815 km (0.118 R)
• M14: 13,808,931 km (0.118 R)
• M15: 14,565,746 km (0.07 R)
• M16: 17,652,250 km (0.057 R)
• M17: 18,430,757 km (0.109 R)
• M18: 19,523,869 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 11.1

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.13 AU - 6.19 AU

Year: 7816 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,341,385 km

• M1: 138,079 km (0.101 R)
• M2: 612,902 km (0.118 R)
• M3: 1,017,864 km (0.09 R)
• M4: 1,747,752 km (0.096 R)
• M5: 2,579,516 km (0.111 R)
• M6: 3,322,419 km (0.103 R)
• M7: 3,782,433 km (0.046 R)
• M8: 5,105,925 km (0.063 R)
• M9: 5,925,123 km (0.105 R)
• M10: 9,003,398 km (0.036 R)
• M11: 10,049,087 km (0.106 R)
• M12: 12,957,420 km (0.106 R)
• M13: 13,551,772 km (0.065 R)
• M14: 15,247,464 km (0.091 R)
• M15: 16,316,789 km (0.084 R)
• M16: 16,730,427 km (0.091 R)
• M17: 21,837,848 km (0.102 R)
• M18: 22,679,935 km (0.116 R)
• M19: 23,456,198 km (0.059 R)
• M20: 27,122,094 km (0.073 R)
• M21: 34,201,963 km (0.108 R)
• M22: 38,772,028 km (0.109 R)
• M23: 44,532,593 km (0.114 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: 550 - 17,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit