🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 16.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,747,330 km

• M1: 39,643 km (0.115 R)

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 14.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.25 AU - 1.43 AU

Year: 1018 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,747,330 km

• M1: 175,329 km (0.082 R)
• M2: 664,514 km (0.096 R)
• M3: 1,349,672 km (0.097 R)
• M4: 1,809,985 km (0.101 R)
• M5: 2,328,940 km (0.064 R)
• M6: 3,121,659 km (0.108 R)
• M7: 3,700,902 km (0.06 R)
• M8: 4,978,617 km (0.117 R)
• M9: 5,505,501 km (0.066 R)
• M10: 6,050,935 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 15

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.7 AU - 2.78 AU

Year: 2199 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,747,330 km

• M1: 186,698 km (0.106 R)
• M2: 728,542 km (0.053 R)
• M3: 1,362,687 km (0.108 R)
• M4: 2,230,803 km (0.039 R)
• M5: 3,445,987 km (0.084 R)
• M6: 4,257,406 km (0.081 R)
• M7: 5,172,346 km (0.091 R)
• M8: 5,699,828 km (0.066 R)
• M9: 6,409,820 km (0.111 R)
• M10: 7,151,825 km (0.051 R)
• M11: 7,752,461 km (0.057 R)
• M12: 9,759,316 km (0.058 R)
• M13: 10,260,170 km (0.052 R)
• M14: 11,169,127 km (0.118 R)
• M15: 11,643,352 km (0.102 R)
• M16: 12,131,041 km (0.082 R)
• M17: 12,710,882 km (0.118 R)
• M18: 13,268,583 km (0.063 R)
• M19: 14,009,691 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.3

Radius: 15

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.48 AU - 2.72 AU

Year: 2750 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,747,330 km

• M1: 186,549 km (0.06 R)
• M2: 2,037,373 km (0.109 R)
• M3: 2,679,597 km (0.119 R)
• M4: 4,313,206 km (0.079 R)
• M5: 6,163,731 km (0.04 R)
• M6: 6,907,382 km (0.09 R)
• M7: 7,950,977 km (0.096 R)
• M8: 8,523,638 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.5

Radius: 10.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.95 AU - 3.95 AU

Year: 4204 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,747,330 km

• M1: 128,056 km (0.09 R)
• M2: 512,373 km (0.111 R)
• M3: 861,833 km (0.097 R)
• M4: 1,303,446 km (0.098 R)
• M5: 2,655,213 km (0.084 R)
• M6: 4,354,046 km (0.097 R)
• M7: 5,419,033 km (0.087 R)
• M8: 5,967,908 km (0.106 R)
• M9: 6,681,639 km (0.049 R)
• M10: 7,696,810 km (0.076 R)
• M11: 9,047,230 km (0.105 R)
• M12: 9,449,050 km (0.079 R)
• M13: 13,515,868 km (0.107 R)
• M14: 14,690,212 km (0.101 R)
• M15: 15,022,020 km (0.029 R)
• M16: 15,358,765 km (0.104 R)
• M17: 15,989,320 km (0.118 R)
• M18: 19,536,884 km (0.062 R)
• M19: 23,351,928 km (0.081 R)
• M20: 26,397,891 km (0.119 R)
• M21: 27,054,027 km (0.11 R)
• M22: 28,143,099 km (0.103 R)
• M23: 28,914,127 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 10.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.89 AU - 4.35 AU

Year: 4518 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,747,330 km

• M1: 134,339 km (0.111 R)
• M2: 477,516 km (0.095 R)
• M3: 1,630,916 km (0.105 R)
• M4: 3,035,341 km (0.057 R)
• M5: 3,595,435 km (0.063 R)
• M6: 4,563,932 km (0.087 R)
• M7: 5,352,612 km (0.11 R)
• M8: 6,375,113 km (0.08 R)
• M9: 7,296,038 km (0.032 R)
• M10: 7,788,664 km (0.119 R)
• M11: 8,587,067 km (0.11 R)
• M12: 9,515,921 km (0.118 R)
• M13: 10,717,191 km (0.081 R)
• M14: 12,611,848 km (0.068 R)
• M15: 13,467,698 km (0.064 R)
• M16: 16,770,071 km (0.103 R)
• M17: 20,706,589 km (0.1 R)
• M18: 23,625,244 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.9

Radius: 3.8

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.99 AU - 7.53 AU

Year: 11530 Days

Day: 18.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,747,330 km

• M1: 47,273 km (0.097 R)
• M2: 382,372 km (0.106 R)
• M3: 563,535 km (0.118 R)
• M4: 1,110,615 km (0.028 R)
• M5: 1,374,505 km (0.099 R)
• M6: 1,625,082 km (0.105 R)
• M7: 2,233,496 km (0.034 R)
• M8: 2,385,188 km (0.115 R)
• M9: 2,981,037 km (0.078 R)
• M10: 3,335,285 km (0.037 R)
• M11: 3,647,495 km (0.12 R)
• M12: 4,102,123 km (0.09 R)
• M13: 4,330,110 km (0.047 R)
• M14: 4,839,192 km (0.099 R)
• M15: 5,239,217 km (0.087 R)
• M16: 5,785,249 km (0.079 R)
• M17: 6,469,210 km (0.084 R)
• M18: 6,674,159 km (0.097 R)
• M19: 7,462,839 km (0.098 R)
• M20: 8,635,836 km (0.102 R)
• M21: 9,352,410 km (0.091 R)
• M22: 11,047,354 km (0.069 R)
• M23: 11,241,981 km (0.069 R)
• M24: 11,538,334 km (0.062 R)
• M25: 17,144,365 km (0.079 R)
• M26: 17,405,413 km (0.101 R)
• M27: 20,163,250 km (0.106 R)
• M28: 20,527,221 km (0.115 R)
• M29: 20,895,531 km (0.06 R)
• M30: 21,645,466 km (0.119 R)
• M31: 22,803,652 km (0.056 R)
• M32: 22,961,029 km (0.111 R)
• M33: 23,119,304 km (0.082 R)
• M34: 28,030,153 km (0.079 R)
• M35: 28,301,524 km (0.053 R)
• M36: 29,218,708 km (0.055 R)
• M37: 29,966,697 km (0.108 R)
• M38: 30,440,624 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225

Radius: 6.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.06 AU - 10.32 AU

Year: 16805 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,747,330 km

• M1: 80,932 km (0.103 R)
• M2: 443,109 km (0.079 R)
• M3: 767,138 km (0.078 R)
• M4: 1,218,923 km (0.087 R)
• M5: 1,553,424 km (0.058 R)
• M6: 2,312,933 km (0.073 R)
• M7: 4,028,970 km (0.035 R)
• M8: 6,604,746 km (0.077 R)
• M9: 7,147,038 km (0.063 R)
• M10: 7,593,588 km (0.063 R)
• M11: 9,375,747 km (0.092 R)
• M12: 10,060,307 km (0.087 R)
• M13: 11,528,760 km (0.103 R)
• M14: 12,661,515 km (0.108 R)
• M15: 13,558,354 km (0.07 R)
• M16: 15,014,689 km (0.038 R)
• M17: 15,612,034 km (0.105 R)
• M18: 16,156,121 km (0.11 R)
• M19: 18,234,933 km (0.095 R)
• M20: 18,762,116 km (0.1 R)
• M21: 20,647,349 km (0.091 R)
• M22: 21,385,614 km (0.116 R)
• M23: 23,884,646 km (0.089 R)
• M24: 24,153,773 km (0.111 R)
• M25: 24,606,755 km (0.048 R)
• M26: 28,739,845 km (0.03 R)
• M27: 29,659,872 km (0.048 R)
• M28: 33,874,343 km (0.1 R)
• M29: 36,657,013 km (0.056 R)
• M30: 43,334,165 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 12,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit