🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 14.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.41 AU - 0.67 AU

Year: 279 Days

Day: 13.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,896,295 km

• M1: 175,329 km (0.073 R)
• M2: 709,094 km (0.079 R)
• M3: 1,180,626 km (0.113 R)
• M4: 1,670,859 km (0.109 R)
• M5: 2,165,878 km (0.034 R)
• M6: 3,045,065 km (0.12 R)
• M7: 3,709,578 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 8.6

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.62 AU

Year: 295 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,896,295 km

• M1: 106,962 km (0.053 R)
• M2: 588,219 km (0.067 R)
• M3: 1,064,987 km (0.087 R)
• M4: 1,741,469 km (0.071 R)
• M5: 2,130,573 km (0.119 R)
• M6: 3,002,130 km (0.083 R)
• M7: 3,530,211 km (0.105 R)
• M8: 3,871,144 km (0.069 R)
• M9: 4,483,897 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 10.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.64 AU - 1.06 AU

Year: 551 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 87.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,896,295 km

• M1: 130,599 km (0.109 R)
• M2: 531,671 km (0.052 R)
• M3: 886,367 km (0.113 R)
• M4: 1,990,100 km (0.079 R)
• M5: 3,181,797 km (0.1 R)
• M6: 3,561,327 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 14

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.21 AU - 1.93 AU

Year: 1383 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,896,295 km

• M1: 174,132 km (0.104 R)
• M2: 614,847 km (0.09 R)
• M3: 1,066,334 km (0.113 R)
• M4: 1,589,627 km (0.037 R)
• M5: 2,218,088 km (0.086 R)
• M6: 3,117,769 km (0.105 R)
• M7: 3,591,845 km (0.116 R)
• M8: 4,233,769 km (0.101 R)
• M9: 5,190,897 km (0.072 R)
• M10: 6,387,380 km (0.109 R)
• M11: 6,859,810 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 12.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.03 AU - 2.83 AU

Year: 2663 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,896,295 km

• M1: 151,842 km (0.108 R)
• M2: 704,756 km (0.112 R)
• M3: 1,277,416 km (0.108 R)
• M4: 2,042,011 km (0.091 R)
• M5: 2,542,266 km (0.076 R)
• M6: 3,204,686 km (0.103 R)
• M7: 4,017,451 km (0.092 R)
• M8: 4,724,151 km (0.061 R)
• M9: 5,631,761 km (0.089 R)
• M10: 6,842,607 km (0.112 R)
• M11: 7,761,736 km (0.095 R)
• M12: 9,124,124 km (0.06 R)
• M13: 10,057,465 km (0.113 R)
• M14: 11,053,487 km (0.046 R)
• M15: 12,399,868 km (0.094 R)
• M16: 15,559,824 km (0.107 R)
• M17: 16,093,290 km (0.085 R)
• M18: 16,891,096 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 9.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.61 AU - 5.79 AU

Year: 7162 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,896,295 km

• M1: 310,864 km (0.105 R)
• M2: 624,272 km (0.095 R)
• M3: 996,621 km (0.045 R)
• M4: 1,814,323 km (0.105 R)
• M5: 6,077,563 km (0.083 R)
• M6: 9,126,667 km (0.087 R)
• M7: 9,833,816 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.7

Radius: 6.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6 AU - 8.06 AU

Year: 13102 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 157.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,896,295 km

• M1: 78,389 km (0.083 R)
• M2: 441,763 km (0.099 R)
• M3: 783,893 km (0.06 R)
• M4: 1,317,359 km (0.051 R)
• M5: 1,569,730 km (0.111 R)
• M6: 3,234,755 km (0.045 R)
• M7: 3,723,341 km (0.12 R)
• M8: 4,970,240 km (0.115 R)
• M9: 7,207,476 km (0.102 R)
• M10: 9,841,146 km (0.041 R)
• M11: 15,525,417 km (0.102 R)
• M12: 19,437,251 km (0.104 R)
• M13: 19,750,808 km (0.086 R)
• M14: 20,227,278 km (0.11 R)
• M15: 21,120,975 km (0.078 R)
• M16: 25,236,862 km (0.102 R)
• M17: 25,892,250 km (0.055 R)
• M18: 26,463,115 km (0.059 R)
• M19: 35,826,296 km (0.074 R)
• M20: 39,839,858 km (0.055 R)
• M21: 42,675,785 km (0.094 R)
• M22: 43,605,685 km (0.075 R)
• M23: 45,094,034 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 16,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit