🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 13.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.66 AU - 0.96 AU

Year: 464 Days

Day: 13.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,428,678 km

• M1: 171,589 km (0.072 R)
• M2: 622,327 km (0.071 R)
• M3: 1,149,360 km (0.086 R)
• M4: 1,669,512 km (0.069 R)
• M5: 2,280,320 km (0.099 R)
• M6: 2,848,643 km (0.117 R)
• M7: 3,311,498 km (0.08 R)
• M8: 3,741,742 km (0.105 R)
• M9: 4,183,953 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 8.9

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.71 AU - 0.99 AU

Year: 498 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,428,678 km

• M1: 110,702 km (0.083 R)
• M2: 481,406 km (0.059 R)
• M3: 778,358 km (0.059 R)
• M4: 1,076,506 km (0.102 R)
• M5: 1,557,463 km (0.1 R)
• M6: 1,947,914 km (0.079 R)
• M7: 2,542,865 km (0.026 R)
• M8: 3,788,865 km (0.109 R)
• M9: 4,106,013 km (0.069 R)
• M10: 4,516,061 km (0.102 R)
• M11: 4,873,001 km (0.093 R)
• M12: 5,248,791 km (0.076 R)
• M13: 5,573,717 km (0.075 R)
• M14: 6,245,412 km (0.119 R)
• M15: 6,649,925 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 12.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.99 AU - 1.51 AU

Year: 889 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,428,678 km

• M1: 159,322 km (0.099 R)
• M2: 587,172 km (0.088 R)
• M3: 1,058,405 km (0.051 R)
• M4: 1,577,659 km (0.098 R)
• M5: 2,186,522 km (0.059 R)
• M6: 2,591,035 km (0.099 R)
• M7: 2,984,627 km (0.062 R)
• M8: 3,445,389 km (0.064 R)
• M9: 4,073,101 km (0.042 R)
• M10: 4,709,042 km (0.05 R)
• M11: 5,246,547 km (0.072 R)
• M12: 6,159,842 km (0.08 R)
• M13: 6,654,861 km (0.099 R)
• M14: 7,631,586 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.4

Radius: 9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.56 AU - 3.54 AU

Year: 3387 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,428,678 km

• M1: 112,049 km (0.114 R)
• M2: 682,316 km (0.091 R)
• M3: 1,039,855 km (0.068 R)
• M4: 1,804,898 km (0.106 R)
• M5: 3,063,016 km (0.042 R)
• M6: 3,379,565 km (0.117 R)
• M7: 4,380,375 km (0.117 R)
• M8: 6,568,394 km (0.04 R)
• M9: 6,899,454 km (0.104 R)
• M10: 13,879,092 km (0.09 R)
• M11: 14,750,799 km (0.113 R)
• M12: 17,218,715 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.4

Radius: 10.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.8 AU - 3.82 AU

Year: 3829 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,428,678 km

• M1: 135,536 km (0.076 R)
• M2: 544,686 km (0.095 R)
• M3: 1,149,660 km (0.077 R)
• M4: 1,707,360 km (0.06 R)
• M5: 2,198,490 km (0.099 R)
• M6: 2,598,665 km (0.101 R)
• M7: 3,252,856 km (0.034 R)
• M8: 4,472,079 km (0.076 R)
• M9: 4,838,743 km (0.082 R)
• M10: 6,298,818 km (0.093 R)
• M11: 8,357,135 km (0.067 R)
• M12: 8,802,040 km (0.107 R)
• M13: 9,146,115 km (0.119 R)
• M14: 9,618,844 km (0.067 R)
• M15: 10,274,531 km (0.106 R)
• M16: 12,326,565 km (0.115 R)
• M17: 14,638,152 km (0.064 R)
• M18: 16,465,190 km (0.109 R)
• M19: 17,825,334 km (0.104 R)
• M20: 19,840,268 km (0.07 R)
• M21: 21,174,382 km (0.114 R)
• M22: 25,073,800 km (0.104 R)
• M23: 26,001,157 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 13.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.76 AU - 4.44 AU

Year: 5278 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,428,678 km

• M1: 162,912 km (0.11 R)
• M2: 605,123 km (0.109 R)
• M3: 1,371,962 km (0.064 R)
• M4: 2,092,276 km (0.075 R)
• M5: 2,887,389 km (0.074 R)
• M6: 3,467,978 km (0.107 R)
• M7: 4,149,097 km (0.083 R)
• M8: 4,787,730 km (0.112 R)
• M9: 5,809,035 km (0.057 R)
• M10: 6,871,030 km (0.066 R)
• M11: 7,731,517 km (0.066 R)
• M12: 8,319,138 km (0.11 R)
• M13: 8,779,301 km (0.078 R)
• M14: 10,262,863 km (0.047 R)
• M15: 11,156,112 km (0.112 R)
• M16: 13,200,367 km (0.067 R)
• M17: 16,478,505 km (0.112 R)
• M18: 17,022,293 km (0.097 R)
• M19: 18,725,913 km (0.101 R)
• M20: 20,196,012 km (0.028 R)
• M21: 23,440,790 km (0.068 R)
• M22: 25,868,613 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 12.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.18 AU - 5.44 AU

Year: 6707 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,428,678 km

• M1: 151,692 km (0.09 R)
• M2: 556,205 km (0.096 R)
• M3: 1,608,177 km (0.114 R)
• M4: 2,272,840 km (0.044 R)
• M5: 2,677,951 km (0.113 R)
• M6: 4,417,176 km (0.115 R)
• M7: 5,005,545 km (0.115 R)
• M8: 7,600,619 km (0.089 R)
• M9: 10,169,364 km (0.087 R)
• M10: 11,671,775 km (0.099 R)
• M11: 14,649,371 km (0.075 R)
• M12: 15,112,676 km (0.075 R)
• M13: 16,561,232 km (0.118 R)
• M14: 19,056,525 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 17,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit