🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 19.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.8

Radius: 8.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.77 AU - 1.13 AU

Year: 598 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,198,445 km

• M1: 101,727 km (0.09 R)
• M2: 368,609 km (0.083 R)
• M3: 645,664 km (0.106 R)
• M4: 909,106 km (0.102 R)
• M5: 1,265,149 km (0.103 R)
• M6: 1,752,689 km (0.061 R)
• M7: 2,022,862 km (0.073 R)
• M8: 2,491,253 km (0.066 R)
• M9: 2,823,510 km (0.092 R)
• M10: 3,101,014 km (0.029 R)
• M11: 3,847,956 km (0.09 R)
• M12: 4,131,744 km (0.078 R)
• M13: 4,919,376 km (0.051 R)
• M14: 5,409,908 km (0.044 R)
• M15: 5,730,646 km (0.066 R)
• M16: 6,508,405 km (0.064 R)
• M17: 6,769,304 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 14.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.2 AU

Year: 646 Days

Day: 5.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,198,445 km

• M1: 186,100 km (0.076 R)
• M2: 679,623 km (0.096 R)
• M3: 1,288,935 km (0.053 R)
• M4: 1,810,882 km (0.093 R)
• M5: 2,735,846 km (0.09 R)
• M6: 3,203,339 km (0.106 R)
• M7: 3,698,209 km (0.099 R)
• M8: 4,468,339 km (0.089 R)
• M9: 5,089,619 km (0.109 R)
• M10: 6,196,045 km (0.077 R)
• M11: 6,909,028 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 9.1

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.39 AU - 1.43 AU

Year: 1081 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,198,445 km

• M1: 114,143 km (0.086 R)
• M2: 626,516 km (0.088 R)
• M3: 911,201 km (0.092 R)
• M4: 1,383,032 km (0.089 R)
• M5: 2,021,666 km (0.059 R)
• M6: 2,443,083 km (0.048 R)
• M7: 2,909,529 km (0.08 R)
• M8: 3,333,041 km (0.085 R)
• M9: 4,037,198 km (0.075 R)
• M10: 5,697,734 km (0.099 R)
• M11: 5,991,993 km (0.116 R)
• M12: 6,565,551 km (0.108 R)
• M13: 7,007,314 km (0.099 R)
• M14: 10,210,354 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 13.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.66 AU - 1.68 AU

Year: 1393 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,198,445 km

• M1: 166,652 km (0.097 R)
• M2: 648,956 km (0.066 R)
• M3: 1,490,144 km (0.075 R)
• M4: 2,330,436 km (0.12 R)
• M5: 2,780,576 km (0.094 R)
• M6: 3,274,697 km (0.108 R)
• M7: 4,195,472 km (0.113 R)
• M8: 4,792,517 km (0.083 R)
• M9: 5,655,248 km (0.077 R)
• M10: 6,113,018 km (0.053 R)
• M11: 6,738,038 km (0.087 R)
• M12: 7,303,817 km (0.066 R)
• M13: 8,335,893 km (0.095 R)
• M14: 8,901,672 km (0.066 R)
• M15: 9,553,470 km (0.117 R)
• M16: 10,332,725 km (0.111 R)
• M17: 10,853,475 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 12.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.64 AU - 3.68 AU

Year: 3627 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,198,445 km

• M1: 156,928 km (0.119 R)
• M2: 574,456 km (0.088 R)
• M3: 1,198,279 km (0.113 R)
• M4: 2,496,938 km (0.094 R)
• M5: 3,040,278 km (0.096 R)
• M6: 3,682,501 km (0.033 R)
• M7: 4,228,085 km (0.056 R)
• M8: 4,777,109 km (0.114 R)
• M9: 5,319,551 km (0.039 R)
• M10: 5,960,727 km (0.113 R)
• M11: 6,498,083 km (0.079 R)
• M12: 8,452,878 km (0.119 R)
• M13: 8,863,823 km (0.105 R)
• M14: 10,136,153 km (0.086 R)
• M15: 14,365,734 km (0.103 R)
• M16: 15,115,369 km (0.054 R)
• M17: 15,890,884 km (0.086 R)
• M18: 17,581,490 km (0.072 R)
• M19: 19,068,941 km (0.078 R)
• M20: 19,974,607 km (0.097 R)
• M21: 20,438,061 km (0.058 R)
• M22: 21,112,448 km (0.09 R)
• M23: 21,593,405 km (0.074 R)
• M24: 23,885,843 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 10.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.03 AU - 3.83 AU

Year: 4102 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,198,445 km

• M1: 134,339 km (0.083 R)
• M2: 475,422 km (0.101 R)
• M3: 1,618,200 km (0.075 R)
• M4: 2,307,398 km (0.079 R)
• M5: 2,912,072 km (0.067 R)
• M6: 3,323,765 km (0.117 R)
• M7: 4,035,253 km (0.084 R)
• M8: 4,775,762 km (0.091 R)
• M9: 5,301,599 km (0.119 R)
• M10: 5,682,026 km (0.108 R)
• M11: 6,273,088 km (0.054 R)
• M12: 6,728,314 km (0.108 R)
• M13: 8,194,672 km (0.103 R)
• M14: 8,635,387 km (0.101 R)
• M15: 9,235,724 km (0.116 R)
• M16: 10,284,854 km (0.032 R)
• M17: 11,122,602 km (0.101 R)
• M18: 12,048,313 km (0.116 R)
• M19: 12,663,759 km (0.092 R)
• M20: 13,392,600 km (0.049 R)
• M21: 13,767,342 km (0.089 R)
• M22: 16,270,713 km (0.106 R)
• M23: 17,132,098 km (0.1 R)
• M24: 18,137,246 km (0.116 R)
• M25: 19,063,257 km (0.049 R)
• M26: 20,020,384 km (0.112 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: 463 - 10,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit