🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 8.4

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.15 AU - 1.59 AU

Year: 1035 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,013,356 km

• M1: 104,419 km (0.03 R)
• M2: 430,094 km (0.118 R)
• M3: 778,956 km (0.069 R)
• M4: 1,151,455 km (0.109 R)
• M5: 1,623,436 km (0.088 R)
• M6: 2,009,249 km (0.107 R)
• M7: 2,647,134 km (0.111 R)
• M8: 2,980,139 km (0.084 R)
• M9: 4,728,639 km (0.101 R)
• M10: 5,499,966 km (0.066 R)
• M11: 5,831,026 km (0.067 R)
• M12: 6,131,718 km (0.085 R)
• M13: 6,764,068 km (0.074 R)
• M14: 8,238,205 km (0.108 R)
• M15: 9,352,111 km (0.073 R)
• M16: 10,067,039 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 8.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.35 AU - 3.31 AU

Year: 3074 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,013,356 km

• M1: 107,411 km (0.093 R)
• M2: 497,862 km (0.056 R)
• M3: 950,694 km (0.102 R)
• M4: 1,600,847 km (0.053 R)
• M5: 2,279,124 km (0.117 R)
• M6: 2,676,904 km (0.097 R)
• M7: 3,152,775 km (0.037 R)
• M8: 3,524,077 km (0.091 R)
• M9: 3,924,251 km (0.032 R)
• M10: 4,436,026 km (0.104 R)
• M11: 5,058,652 km (0.082 R)
• M12: 5,986,458 km (0.101 R)
• M13: 7,051,445 km (0.119 R)
• M14: 7,365,302 km (0.111 R)
• M15: 8,490,278 km (0.099 R)
• M16: 9,144,020 km (0.072 R)
• M17: 10,151,263 km (0.089 R)
• M18: 11,115,421 km (0.094 R)
• M19: 11,424,041 km (0.118 R)
• M20: 13,011,424 km (0.091 R)
• M21: 15,492,655 km (0.054 R)
• M22: 15,878,019 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 13.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.44 AU - 5.38 AU

Year: 5980 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,013,356 km

• M1: 173,982 km (0.067 R)
• M2: 810,521 km (0.064 R)
• M3: 1,349,373 km (0.037 R)
• M4: 1,916,648 km (0.114 R)
• M5: 2,629,482 km (0.115 R)
• M6: 3,293,996 km (0.1 R)
• M7: 4,035,253 km (0.117 R)
• M8: 5,273,774 km (0.088 R)
• M9: 5,766,998 km (0.095 R)
• M10: 6,847,095 km (0.088 R)
• M11: 9,288,981 km (0.11 R)
• M12: 9,888,569 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 15

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.78 AU - 5.08 AU

Year: 6020 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,013,356 km

• M1: 186,698 km (0.07 R)
• M2: 760,256 km (0.098 R)
• M3: 1,434,793 km (0.043 R)
• M4: 2,095,717 km (0.077 R)
• M5: 2,592,830 km (0.026 R)
• M6: 3,647,645 km (0.09 R)
• M7: 4,948,099 km (0.105 R)
• M8: 5,899,542 km (0.03 R)
• M9: 9,264,895 km (0.048 R)
• M10: 11,443,639 km (0.118 R)
• M11: 12,163,952 km (0.097 R)
• M12: 13,745,052 km (0.098 R)
• M13: 17,254,768 km (0.08 R)
• M14: 17,724,505 km (0.096 R)
• M15: 18,998,331 km (0.052 R)
• M16: 19,562,764 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 10.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.04 AU - 5.7 AU

Year: 6939 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,013,356 km

• M1: 129,103 km (0.105 R)
• M2: 816,356 km (0.11 R)
• M3: 1,214,136 km (0.114 R)
• M4: 1,754,185 km (0.116 R)
• M5: 2,705,926 km (0.056 R)
• M6: 3,483,237 km (0.112 R)
• M7: 3,970,627 km (0.045 R)
• M8: 6,951,514 km (0.109 R)
• M9: 8,557,447 km (0.107 R)
• M10: 9,322,341 km (0.081 R)
• M11: 10,219,928 km (0.117 R)
• M12: 12,639,075 km (0.05 R)
• M13: 14,063,397 km (0.117 R)
• M14: 15,358,765 km (0.079 R)
• M15: 19,312,188 km (0.064 R)
• M16: 19,789,554 km (0.111 R)
• M17: 21,925,214 km (0.073 R)
• M18: 24,131,483 km (0.058 R)
• M19: 31,164,528 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.1

Radius: 5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.03 AU - 9.41 AU

Year: 16626 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,013,356 km

• M1: 63,878 km (0.048 R)
• M2: 483,052 km (0.096 R)
• M3: 864,676 km (0.079 R)
• M4: 1,553,275 km (0.12 R)
• M5: 1,800,560 km (0.063 R)
• M6: 2,409,423 km (0.119 R)
• M7: 2,684,235 km (0.062 R)
• M8: 5,138,836 km (0.093 R)
• M9: 6,941,341 km (0.09 R)
• M10: 7,197,453 km (0.068 R)
• M11: 11,275,491 km (0.057 R)
• M12: 12,466,739 km (0.075 R)
• M13: 13,911,704 km (0.117 R)
• M14: 16,735,215 km (0.113 R)
• M15: 16,997,460 km (0.079 R)
• M16: 26,023,896 km (0.113 R)
• M17: 26,642,034 km (0.042 R)
• M18: 26,999,573 km (0.091 R)
• M19: 27,451,060 km (0.092 R)
• M20: 30,851,270 km (0.073 R)
• M21: 34,310,720 km (0.064 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 18,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit