🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 11.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.69 AU - 0.87 AU

Year: 452 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,089,923 km

• M1: 147,952 km (0.073 R)
• M2: 767,886 km (0.093 R)
• M3: 1,659,040 km (0.114 R)
• M4: 2,196,097 km (0.095 R)
• M5: 2,584,602 km (0.054 R)
• M6: 2,970,715 km (0.099 R)
• M7: 3,416,965 km (0.097 R)
• M8: 3,931,282 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 11.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.2 AU

Year: 767 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,089,923 km

• M1: 145,559 km (0.111 R)
• M2: 623,674 km (0.077 R)
• M3: 1,346,830 km (0.091 R)
• M4: 1,839,007 km (0.088 R)
• M5: 2,798,228 km (0.073 R)
• M6: 4,191,882 km (0.113 R)
• M7: 5,106,673 km (0.041 R)
• M8: 5,504,154 km (0.105 R)
• M9: 6,087,137 km (0.093 R)
• M10: 6,890,328 km (0.087 R)
• M11: 8,238,953 km (0.094 R)
• M12: 8,734,272 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 11.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.15 AU - 1.25 AU

Year: 862 Days

Day: 6.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,089,923 km

• M1: 143,913 km (0.075 R)
• M2: 736,321 km (0.064 R)
• M3: 1,120,189 km (0.082 R)
• M4: 1,491,640 km (0.111 R)
• M5: 1,877,453 km (0.053 R)
• M6: 2,310,539 km (0.057 R)
• M7: 2,914,167 km (0.051 R)
• M8: 3,279,185 km (0.037 R)
• M9: 3,674,872 km (0.076 R)
• M10: 4,515,911 km (0.109 R)
• M11: 5,737,527 km (0.112 R)
• M12: 6,138,001 km (0.11 R)
• M13: 6,577,669 km (0.057 R)
• M14: 7,792,553 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 13.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.34 AU - 1.74 AU

Year: 1254 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,089,923 km

• M1: 166,652 km (0.093 R)
• M2: 624,122 km (0.092 R)
• M3: 1,041,500 km (0.089 R)
• M4: 1,889,870 km (0.1 R)
• M5: 2,345,096 km (0.102 R)
• M6: 3,091,141 km (0.048 R)
• M7: 3,924,551 km (0.102 R)
• M8: 4,657,879 km (0.108 R)
• M9: 6,015,480 km (0.114 R)
• M10: 7,239,939 km (0.058 R)
• M11: 7,700,550 km (0.087 R)
• M12: 10,337,213 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 12.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.3 AU - 2.08 AU

Year: 1441 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,089,923 km

• M1: 158,723 km (0.049 R)
• M2: 636,689 km (0.119 R)
• M3: 1,175,390 km (0.115 R)
• M4: 1,586,037 km (0.074 R)
• M5: 2,592,830 km (0.088 R)
• M6: 3,050,600 km (0.117 R)
• M7: 3,801,282 km (0.058 R)
• M8: 4,429,593 km (0.039 R)
• M9: 4,922,668 km (0.109 R)
• M10: 5,957,137 km (0.054 R)
• M11: 7,393,576 km (0.097 R)
• M12: 8,401,865 km (0.067 R)
• M13: 9,357,496 km (0.05 R)
• M14: 9,759,466 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 12.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.88 AU - 6.28 AU

Year: 7511 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,089,923 km

• M1: 197,619 km (0.1 R)
• M2: 674,238 km (0.1 R)
• M3: 1,246,749 km (0.073 R)
• M4: 2,123,542 km (0.09 R)
• M5: 2,610,632 km (0.113 R)
• M6: 3,627,300 km (0.111 R)
• M7: 6,216,390 km (0.116 R)
• M8: 12,453,574 km (0.095 R)
• M9: 13,369,861 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.5

Radius: 3.2

Gravity: 33.84 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.09 AU - 11.29 AU

Year: 18276 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,089,923 km

• M1: 40,541 km (0.069 R)
• M2: 165,156 km (0.09 R)
• M3: 489,335 km (0.043 R)
• M4: 724,951 km (0.109 R)
• M5: 1,125,724 km (0.086 R)
• M6: 1,431,203 km (0.082 R)
• M7: 1,626,877 km (0.098 R)
• M8: 1,772,436 km (0.072 R)
• M9: 2,382,496 km (0.082 R)
• M10: 4,866,568 km (0.116 R)
• M11: 7,877,824 km (0.103 R)
• M12: 8,581,383 km (0.047 R)
• M13: 8,874,295 km (0.072 R)
• M14: 12,424,402 km (0.116 R)
• M15: 13,702,267 km (0.053 R)
• M16: 14,169,611 km (0.037 R)
• M17: 17,899,086 km (0.109 R)
• M18: 19,524,317 km (0.097 R)
• M19: 20,545,024 km (0.119 R)
• M20: 20,980,653 km (0.119 R)
• M21: 24,011,655 km (0.094 R)
• M22: 28,705,139 km (0.068 R)
• M23: 30,246,445 km (0.109 R)
• M24: 32,542,623 km (0.1 R)
• M25: 37,478,007 km (0.065 R)
• M26: 42,326,324 km (0.111 R)
• M27: 47,273,675 km (0.1 R)
• M28: 55,395,493 km (0.059 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: 309 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit