🌌 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: 711.4

Radius: 12.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 14.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,899,268 km

• M1: 154,235 km (0.04 R)
• M2: 606,320 km (0.101 R)
• M3: 997,519 km (0.054 R)
• M4: 1,484,609 km (0.034 R)
• M5: 1,970,503 km (0.104 R)
• M6: 2,379,504 km (0.095 R)
• M7: 2,910,576 km (0.104 R)
• M8: 3,605,907 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 11

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.59 AU - 0.79 AU

Year: 389 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,899,268 km

• M1: 137,480 km (0.081 R)
• M2: 554,559 km (0.101 R)
• M3: 899,083 km (0.063 R)
• M4: 1,581,249 km (0.027 R)
• M5: 2,122,495 km (0.119 R)
• M6: 2,627,387 km (0.103 R)
• M7: 3,159,357 km (0.093 R)
• M8: 4,184,851 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 12.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.87 AU - 1.07 AU

Year: 648 Days

Day: 10 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,899,268 km

• M1: 157,078 km (0.092 R)
• M2: 712,086 km (0.075 R)
• M3: 1,182,571 km (0.092 R)
• M4: 1,802,056 km (0.117 R)
• M5: 2,284,659 km (0.086 R)
• M6: 2,811,991 km (0.084 R)
• M7: 3,326,159 km (0.071 R)
• M8: 3,761,938 km (0.119 R)
• M9: 4,360,628 km (0.084 R)
• M10: 5,499,517 km (0.063 R)
• M11: 5,885,928 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 10.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.85 AU - 1.31 AU

Year: 761 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,899,268 km

• M1: 128,056 km (0.087 R)
• M2: 455,376 km (0.095 R)
• M3: 962,064 km (0.091 R)
• M4: 1,378,993 km (0.108 R)
• M5: 1,708,856 km (0.118 R)
• M6: 2,351,529 km (0.085 R)
• M7: 2,864,500 km (0.112 R)
• M8: 3,464,387 km (0.083 R)
• M9: 3,904,654 km (0.1 R)
• M10: 5,019,906 km (0.091 R)
• M11: 5,491,139 km (0.112 R)
• M12: 5,854,213 km (0.119 R)
• M13: 7,400,607 km (0.115 R)
• M14: 8,109,252 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 9.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.1 AU - 1.14 AU

Year: 804 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,899,268 km

• M1: 121,922 km (0.09 R)
• M2: 455,974 km (0.106 R)
• M3: 796,758 km (0.092 R)
• M4: 1,239,568 km (0.104 R)
• M5: 1,606,232 km (0.086 R)
• M6: 2,304,705 km (0.045 R)
• M7: 2,689,171 km (0.11 R)
• M8: 3,039,978 km (0.104 R)
• M9: 4,014,908 km (0.056 R)
• M10: 4,591,607 km (0.025 R)
• M11: 4,952,886 km (0.064 R)
• M12: 5,296,213 km (0.052 R)
• M13: 5,910,313 km (0.112 R)
• M14: 6,401,592 km (0.079 R)
• M15: 7,143,897 km (0.075 R)
• M16: 7,512,506 km (0.112 R)
• M17: 8,040,287 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 13.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.26 AU - 1.42 AU

Year: 1052 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,899,268 km

• M1: 169,195 km (0.066 R)
• M2: 619,634 km (0.095 R)
• M3: 1,056,610 km (0.115 R)
• M4: 1,650,364 km (0.06 R)
• M5: 2,176,350 km (0.09 R)
• M6: 2,903,695 km (0.118 R)
• M7: 3,946,990 km (0.076 R)
• M8: 4,397,878 km (0.096 R)
• M9: 5,962,672 km (0.101 R)
• M10: 6,674,159 km (0.086 R)
• M11: 7,195,508 km (0.053 R)
• M12: 8,054,948 km (0.1 R)
• M13: 8,537,102 km (0.098 R)
• M14: 9,325,482 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 11.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.67 AU - 4.09 AU

Year: 5184 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,899,268 km

• M1: 143,165 km (0.03 R)
• M2: 612,154 km (0.113 R)
• M3: 1,050,476 km (0.044 R)
• M4: 1,967,511 km (0.107 R)
• M5: 2,983,281 km (0.041 R)
• M6: 3,439,255 km (0.066 R)
• M7: 4,057,094 km (0.101 R)
• M8: 4,467,591 km (0.061 R)
• M9: 5,515,374 km (0.091 R)
• M10: 6,853,078 km (0.053 R)
• M11: 7,796,891 km (0.103 R)
• M12: 8,434,478 km (0.107 R)
• M13: 8,985,297 km (0.097 R)
• M14: 9,560,052 km (0.102 R)
• M15: 10,737,686 km (0.063 R)
• M16: 11,718,600 km (0.074 R)
• M17: 13,751,186 km (0.084 R)
• M18: 15,949,377 km (0.086 R)
• M19: 19,705,780 km (0.103 R)
• M20: 20,326,311 km (0.108 R)
• M21: 21,461,909 km (0.112 R)
• M22: 23,167,624 km (0.11 R)
• M23: 24,249,067 km (0.083 R)
• M24: 28,126,644 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit