🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 8.2

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.53 AU - 0.87 AU

Year: 384 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,933,069 km

• M1: 102,175 km (0.085 R)
• M2: 375,790 km (0.091 R)
• M3: 707,149 km (0.036 R)
• M4: 1,044,343 km (0.092 R)
• M5: 1,474,736 km (0.043 R)
• M6: 1,801,009 km (0.111 R)
• M7: 2,131,171 km (0.114 R)
• M8: 2,521,023 km (0.082 R)
• M9: 2,903,545 km (0.113 R)
• M10: 3,324,214 km (0.075 R)
• M11: 4,217,314 km (0.1 R)
• M12: 5,005,694 km (0.107 R)
• M13: 5,294,717 km (0.088 R)
• M14: 6,066,493 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 13.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 409 Days

Day: 5.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,933,069 km

• M1: 162,912 km (0.095 R)
• M2: 644,468 km (0.117 R)
• M3: 1,070,074 km (0.102 R)
• M4: 1,887,028 km (0.114 R)
• M5: 2,412,266 km (0.068 R)
• M6: 3,224,732 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 11.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.83 AU - 0.99 AU

Year: 569 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,933,069 km

• M1: 139,276 km (0.109 R)
• M2: 582,085 km (0.101 R)
• M3: 1,115,103 km (0.111 R)
• M4: 1,577,809 km (0.063 R)
• M5: 2,271,494 km (0.05 R)
• M6: 2,635,765 km (0.118 R)
• M7: 3,219,496 km (0.087 R)
• M8: 3,615,182 km (0.108 R)
• M9: 4,144,908 km (0.091 R)
• M10: 5,377,595 km (0.061 R)
• M11: 6,261,269 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 13.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.13 AU - 3.75 AU

Year: 4185 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,933,069 km

• M1: 171,738 km (0.078 R)
• M2: 806,033 km (0.052 R)
• M3: 1,354,310 km (0.084 R)
• M4: 1,819,260 km (0.111 R)
• M5: 2,946,480 km (0.109 R)
• M6: 3,432,074 km (0.108 R)
• M7: 4,272,665 km (0.103 R)
• M8: 4,778,006 km (0.033 R)
• M9: 6,334,572 km (0.088 R)
• M10: 7,213,759 km (0.05 R)
• M11: 8,629,553 km (0.098 R)
• M12: 16,015,350 km (0.117 R)
• M13: 16,957,966 km (0.114 R)
• M14: 19,756,942 km (0.119 R)
• M15: 20,454,068 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 13.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.33 AU - 5.25 AU

Year: 5829 Days

Day: 9.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,933,069 km

• M1: 169,345 km (0.077 R)
• M2: 1,034,170 km (0.116 R)
• M3: 1,720,675 km (0.06 R)
• M4: 2,320,861 km (0.108 R)
• M5: 2,771,899 km (0.068 R)
• M6: 3,762,237 km (0.066 R)
• M7: 4,597,891 km (0.041 R)
• M8: 5,202,416 km (0.08 R)
• M9: 6,111,821 km (0.114 R)
• M10: 7,559,928 km (0.108 R)
• M11: 8,129,298 km (0.088 R)
• M12: 10,145,877 km (0.08 R)
• M13: 11,614,031 km (0.106 R)
• M14: 12,373,389 km (0.087 R)
• M15: 14,047,838 km (0.077 R)
• M16: 14,561,109 km (0.085 R)
• M17: 16,363,165 km (0.1 R)
• M18: 16,931,637 km (0.104 R)
• M19: 17,710,144 km (0.06 R)
• M20: 18,377,051 km (0.111 R)
• M21: 18,922,485 km (0.109 R)
• M22: 19,903,249 km (0.116 R)
• M23: 21,587,571 km (0.094 R)
• M24: 22,580,602 km (0.108 R)
• M25: 23,049,142 km (0.091 R)
• M26: 24,658,067 km (0.029 R)
• M27: 25,489,981 km (0.104 R)
• M28: 26,083,436 km (0.111 R)
• M29: 30,026,985 km (0.104 R)
• M30: 31,749,156 km (0.099 R)
• M31: 33,840,534 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 3.7

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.74 AU - 9.74 AU

Year: 18425 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,933,069 km

• M1: 46,076 km (0.118 R)
• M2: 748,139 km (0.103 R)
• M3: 1,738,477 km (0.085 R)
• M4: 1,960,330 km (0.108 R)
• M5: 6,489,256 km (0.077 R)
• M6: 8,336,641 km (0.032 R)
• M7: 10,602,749 km (0.12 R)
• M8: 10,796,179 km (0.12 R)
• M9: 12,590,157 km (0.108 R)
• M10: 14,632,916 km (0.086 R)
• M11: 15,795,291 km (0.04 R)
• M12: 17,416,483 km (0.096 R)
• M13: 18,510,493 km (0.079 R)
• M14: 23,020,569 km (0.088 R)
• M15: 30,100,887 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 11,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit