🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 10.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,229,130 km

• M1: 130,599 km (0.115 R)
• M2: 485,295 km (0.116 R)
• M3: 813,064 km (0.117 R)
• M4: 1,222,215 km (0.087 R)
• M5: 2,313,980 km (0.115 R)
• M6: 2,787,607 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.1

Radius: 13.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,229,130 km

• M1: 170,392 km (0.046 R)
• M2: 630,555 km (0.063 R)
• M3: 1,056,909 km (0.07 R)
• M4: 1,494,632 km (0.087 R)
• M5: 1,977,235 km (0.098 R)
• M6: 2,481,380 km (0.089 R)
• M7: 2,929,874 km (0.097 R)
• M8: 3,631,488 km (0.104 R)
• M9: 5,587,331 km (0.036 R)
• M10: 7,175,611 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 11.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.1 AU - 1.64 AU

Year: 1088 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,229,130 km

• M1: 141,819 km (0.076 R)
• M2: 508,633 km (0.062 R)
• M3: 974,481 km (0.073 R)
• M4: 1,633,908 km (0.066 R)
• M5: 2,044,105 km (0.08 R)
• M6: 2,870,634 km (0.104 R)
• M7: 3,279,335 km (0.085 R)
• M8: 3,791,708 km (0.111 R)
• M9: 4,978,168 km (0.106 R)
• M10: 6,397,403 km (0.097 R)
• M11: 6,901,099 km (0.109 R)
• M12: 7,328,052 km (0.07 R)
• M13: 9,549,430 km (0.112 R)
• M14: 11,829,003 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.4

Radius: 9.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.4 AU - 2 AU

Year: 1503 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,229,130 km

• M1: 121,922 km (0.117 R)
• M2: 477,367 km (0.106 R)
• M3: 853,306 km (0.101 R)
• M4: 1,190,949 km (0.077 R)
• M5: 1,601,296 km (0.036 R)
• M6: 2,019,422 km (0.102 R)
• M7: 2,660,299 km (0.119 R)
• M8: 3,618,025 km (0.041 R)
• M9: 4,115,288 km (0.077 R)
• M10: 4,563,932 km (0.094 R)
• M11: 4,946,005 km (0.034 R)
• M12: 5,495,927 km (0.113 R)
• M13: 5,818,759 km (0.078 R)
• M14: 6,177,046 km (0.084 R)
• M15: 6,790,696 km (0.113 R)
• M16: 7,112,481 km (0.102 R)
• M17: 7,840,574 km (0.081 R)
• M18: 9,263,100 km (0.033 R)
• M19: 10,750,402 km (0.1 R)
• M20: 11,533,697 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 12.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.89 AU - 3.21 AU

Year: 3613 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,229,130 km

• M1: 170,392 km (0.107 R)
• M2: 652,097 km (0.096 R)
• M3: 1,529,638 km (0.056 R)
• M4: 2,031,838 km (0.065 R)
• M5: 2,933,764 km (0.108 R)
• M6: 7,406,291 km (0.083 R)
• M7: 8,308,217 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 12.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.5 AU - 3.88 AU

Year: 3864 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,229,130 km

• M1: 151,692 km (0.094 R)
• M2: 569,968 km (0.104 R)
• M3: 1,137,542 km (0.114 R)
• M4: 1,763,161 km (0.066 R)
• M5: 2,655,811 km (0.09 R)
• M6: 3,294,594 km (0.115 R)
• M7: 4,833,058 km (0.108 R)
• M8: 5,220,966 km (0.118 R)
• M9: 7,484,232 km (0.062 R)
• M10: 7,872,887 km (0.052 R)
• M11: 9,489,891 km (0.066 R)
• M12: 10,820,115 km (0.116 R)
• M13: 13,560,299 km (0.079 R)
• M14: 14,836,518 km (0.071 R)
• M15: 18,027,441 km (0.062 R)
• M16: 18,846,938 km (0.041 R)
• M17: 19,569,047 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.6

Radius: 5.2

Gravity: 19.81 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.36 AU - 6.14 AU

Year: 9352 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 42,229,130 km

• M1: 64,626 km (0.112 R)
• M2: 377,286 km (0.068 R)
• M3: 684,709 km (0.076 R)
• M4: 941,569 km (0.108 R)
• M5: 1,203,066 km (0.094 R)
• M6: 1,538,913 km (0.105 R)
• M7: 1,951,055 km (0.09 R)
• M8: 2,252,794 km (0.075 R)
• M9: 2,508,607 km (0.101 R)
• M10: 2,743,027 km (0.03 R)
• M11: 3,210,969 km (0.119 R)
• M12: 4,036,450 km (0.102 R)
• M13: 5,055,660 km (0.062 R)
• M14: 5,625,030 km (0.108 R)
• M15: 5,823,995 km (0.118 R)
• M16: 6,096,562 km (0.083 R)
• M17: 7,351,090 km (0.092 R)
• M18: 8,549,369 km (0.074 R)
• M19: 9,401,777 km (0.083 R)
• M20: 11,484,479 km (0.084 R)
• M21: 15,606,499 km (0.091 R)
• M22: 16,132,634 km (0.116 R)
• M23: 16,332,946 km (0.096 R)
• M24: 17,289,624 km (0.087 R)
• M25: 18,138,891 km (0.068 R)
• M26: 18,793,980 km (0.047 R)
• M27: 19,997,047 km (0.09 R)
• M28: 21,410,896 km (0.077 R)
• M29: 22,060,151 km (0.101 R)
• M30: 22,806,195 km (0.116 R)
• M31: 25,324,376 km (0.079 R)
• M32: 26,234,081 km (0.073 R)
• M33: 26,790,136 km (0.08 R)
• M34: 29,889,655 km (0.04 R)
• M35: 34,529,881 km (0.116 R)
• M36: 39,993,046 km (0.034 R)
• M37: 40,976,802 km (0.088 R)
• M38: 42,229,085 km (0.116 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: 538 - 15,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit