🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 11.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.71 AU - 0.71 AU

Year: 392 Days

Day: 13.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,845,181 km

• M1: 138,079 km (0.101 R)
• M2: 487,240 km (0.106 R)
• M3: 839,394 km (0.096 R)
• M4: 1,232,686 km (0.105 R)
• M5: 1,958,685 km (0.07 R)
• M6: 2,585,201 km (0.101 R)
• M7: 3,064,213 km (0.105 R)
• M8: 3,517,046 km (0.106 R)
• M9: 3,933,975 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 14.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.79 AU - 0.87 AU

Year: 496 Days

Day: 14 Hours

Environment

Temp: -152 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,845,181 km

• M1: 178,321 km (0.096 R)
• M2: 730,486 km (0.069 R)
• M3: 1,186,760 km (0.076 R)
• M4: 1,750,445 km (0.096 R)
• M5: 2,221,528 km (0.101 R)
• M6: 2,778,332 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 13.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.84 AU - 1.02 AU

Year: 588 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,845,181 km

• M1: 171,738 km (0.097 R)
• M2: 812,915 km (0.118 R)
• M3: 1,371,663 km (0.039 R)
• M4: 1,841,400 km (0.085 R)
• M5: 2,474,349 km (0.083 R)
• M6: 3,194,812 km (0.088 R)
• M7: 4,275,358 km (0.117 R)
• M8: 5,209,147 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 9.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.88 AU - 1.28 AU

Year: 736 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,845,181 km

• M1: 119,379 km (0.104 R)
• M2: 457,021 km (0.119 R)
• M3: 769,232 km (0.106 R)
• M4: 1,231,190 km (0.075 R)
• M5: 1,567,486 km (0.116 R)
• M6: 1,889,122 km (0.115 R)
• M7: 2,255,038 km (0.107 R)
• M8: 2,820,817 km (0.111 R)
• M9: 3,661,557 km (0.116 R)
• M10: 6,111,073 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 9.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.87 AU - 1.37 AU

Year: 778 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,845,181 km

• M1: 113,994 km (0.107 R)
• M2: 500,704 km (0.092 R)
• M3: 792,869 km (0.116 R)
• M4: 1,136,495 km (0.1 R)
• M5: 1,483,861 km (0.111 R)
• M6: 1,886,280 km (0.081 R)
• M7: 2,445,327 km (0.11 R)
• M8: 3,271,855 km (0.085 R)
• M9: 4,080,132 km (0.079 R)
• M10: 4,444,403 km (0.115 R)
• M11: 4,754,370 km (0.074 R)
• M12: 5,110,413 km (0.11 R)
• M13: 5,401,530 km (0.045 R)
• M14: 5,806,791 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 9.6

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.63 AU - 3.43 AU

Year: 3460 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 16,845,181 km

• M1: 119,678 km (0.096 R)
• M2: 591,660 km (0.097 R)
• M3: 902,225 km (0.071 R)
• M4: 1,355,806 km (0.108 R)
• M5: 1,983,967 km (0.073 R)
• M6: 2,290,942 km (0.081 R)
• M7: 2,846,099 km (0.092 R)
• M8: 3,607,852 km (0.074 R)
• M9: 4,453,229 km (0.111 R)
• M10: 4,762,598 km (0.097 R)
• M11: 5,451,646 km (0.057 R)
• M12: 7,920,609 km (0.073 R)
• M13: 8,234,465 km (0.051 R)
• M14: 8,776,009 km (0.109 R)
• M15: 10,010,940 km (0.104 R)
• M16: 13,402,473 km (0.114 R)
• M17: 13,749,092 km (0.104 R)
• M18: 14,511,741 km (0.074 R)
• M19: 15,626,545 km (0.104 R)
• M20: 16,177,065 km (0.082 R)
• M21: 16,683,454 km (0.118 R)
• M22: 17,200,464 km (0.088 R)
• M23: 18,570,332 km (0.056 R)
• M24: 19,313,235 km (0.102 R)
• M25: 19,883,203 km (0.105 R)
• M26: 20,792,309 km (0.109 R)
• M27: 22,623,387 km (0.037 R)
• M28: 23,256,934 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 8.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.9 AU - 3.2 AU

Year: 3494 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,845,181 km

• M1: 112,198 km (0.067 R)
• M2: 417,079 km (0.098 R)
• M3: 760,107 km (0.091 R)
• M4: 1,173,595 km (0.078 R)
• M5: 2,083,898 km (0.079 R)
• M6: 2,388,928 km (0.111 R)
• M7: 3,058,080 km (0.1 R)
• M8: 3,368,794 km (0.119 R)
• M9: 5,070,321 km (0.118 R)
• M10: 5,554,569 km (0.118 R)
• M11: 5,820,255 km (0.049 R)
• M12: 6,403,537 km (0.048 R)
• M13: 9,919,835 km (0.091 R)
• M14: 10,348,134 km (0.085 R)
• M15: 10,863,498 km (0.071 R)
• M16: 14,502,616 km (0.042 R)
• M17: 15,008,107 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit