🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 14.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.74 AU - 4.84 AU

Year: 3384 Days

Day: 10.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,967,696 km

• M1: 184,005 km (0.094 R)
• M2: 864,526 km (0.059 R)
• M3: 1,515,576 km (0.072 R)
• M4: 2,404,187 km (0.096 R)
• M5: 3,265,572 km (0.076 R)
• M6: 7,090,640 km (0.092 R)
• M7: 8,166,398 km (0.118 R)
• M8: 8,726,941 km (0.068 R)
• M9: 9,490,639 km (0.097 R)
• M10: 10,185,521 km (0.081 R)
• M11: 11,311,693 km (0.054 R)
• M12: 12,390,444 km (0.077 R)
• M13: 13,536,812 km (0.081 R)
• M14: 14,897,704 km (0.053 R)
• M15: 16,451,577 km (0.107 R)
• M16: 17,726,899 km (0.102 R)
• M17: 18,221,769 km (0.056 R)
• M18: 18,782,461 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 12.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.31 AU - 5.01 AU

Year: 3831 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,967,696 km

• M1: 154,235 km (0.064 R)
• M2: 629,508 km (0.082 R)
• M3: 1,637,947 km (0.083 R)
• M4: 2,072,978 km (0.097 R)
• M5: 2,569,343 km (0.029 R)
• M6: 3,033,994 km (0.05 R)
• M7: 3,453,766 km (0.053 R)
• M8: 4,179,914 km (0.046 R)
• M9: 4,653,092 km (0.088 R)
• M10: 5,907,770 km (0.11 R)
• M11: 7,110,686 km (0.087 R)
• M12: 7,511,907 km (0.105 R)
• M13: 8,619,231 km (0.082 R)
• M14: 9,548,832 km (0.112 R)
• M15: 9,996,878 km (0.073 R)
• M16: 10,587,191 km (0.116 R)
• M17: 11,290,301 km (0.1 R)
• M18: 12,644,012 km (0.114 R)
• M19: 13,134,992 km (0.112 R)
• M20: 17,960,421 km (0.084 R)
• M21: 19,540,025 km (0.086 R)
• M22: 20,263,630 km (0.111 R)
• M23: 20,800,986 km (0.06 R)
• M24: 21,904,419 km (0.066 R)
• M25: 25,838,993 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 14.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.24 AU - 6.76 AU

Year: 6311 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,967,696 km

• M1: 187,446 km (0.103 R)
• M2: 709,991 km (0.103 R)
• M3: 1,177,634 km (0.078 R)
• M4: 1,823,000 km (0.055 R)
• M5: 2,825,904 km (0.114 R)
• M6: 3,711,374 km (0.094 R)
• M7: 4,244,241 km (0.105 R)
• M8: 6,609,533 km (0.105 R)
• M9: 7,186,083 km (0.036 R)
• M10: 9,161,822 km (0.097 R)
• M11: 10,409,768 km (0.087 R)
• M12: 11,622,558 km (0.077 R)
• M13: 12,516,106 km (0.076 R)
• M14: 13,295,361 km (0.113 R)
• M15: 13,778,263 km (0.074 R)
• M16: 14,836,369 km (0.115 R)
• M17: 15,297,729 km (0.109 R)
• M18: 17,880,087 km (0.101 R)
• M19: 24,052,196 km (0.103 R)
• M20: 26,756,477 km (0.108 R)
• M21: 29,025,428 km (0.1 R)
• M22: 31,419,891 km (0.086 R)
• M23: 31,895,164 km (0.095 R)

Asteroid Belt

Center: 10.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.8

Radius: 7.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 10.4 AU - 16.86 AU

Year: 19162 Days

Day: 15.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,967,696 km

• M1: 237,262 km (0.098 R)
• M2: 664,514 km (0.102 R)
• M3: 990,188 km (0.082 R)
• M4: 2,142,242 km (0.108 R)
• M5: 5,291,725 km (0.105 R)
• M6: 5,694,892 km (0.116 R)
• M7: 6,082,201 km (0.092 R)
• M8: 11,525,319 km (0.062 R)
• M9: 11,804,469 km (0.064 R)
• M10: 13,147,858 km (0.117 R)
• M11: 18,998,481 km (0.109 R)
• M12: 26,864,337 km (0.074 R)
• M13: 28,559,879 km (0.084 R)
• M14: 31,073,273 km (0.111 R)
• M15: 31,614,967 km (0.05 R)
• M16: 41,680,510 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.5

Radius: 6.4

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 13.49 AU - 20.07 AU

Year: 26175 Days

Day: 20.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,967,696 km

• M1: 472,580 km (0.12 R)
• M2: 836,252 km (0.061 R)
• M3: 1,101,340 km (0.09 R)
• M4: 1,570,329 km (0.089 R)
• M5: 2,317,570 km (0.095 R)
• M6: 2,795,685 km (0.047 R)
• M7: 3,603,065 km (0.097 R)
• M8: 4,883,772 km (0.034 R)
• M9: 12,701,308 km (0.062 R)
• M10: 16,252,013 km (0.03 R)
• M11: 16,673,879 km (0.103 R)
• M12: 17,189,843 km (0.108 R)
• M13: 18,163,126 km (0.05 R)
• M14: 18,986,363 km (0.064 R)
• M15: 19,360,059 km (0.065 R)
• M16: 21,003,541 km (0.101 R)
• M17: 23,801,470 km (0.11 R)
• M18: 25,685,057 km (0.112 R)
• M19: 26,604,934 km (0.12 R)
• M20: 31,797,327 km (0.108 R)
• M21: 38,962,167 km (0.092 R)
• M22: 42,200,811 km (0.109 R)
• M23: 44,456,897 km (0.092 R)
• M24: 48,162,436 km (0.053 R)
• M25: 49,383,304 km (0.074 R)
• M26: 52,801,017 km (0.088 R)
• M27: 77,141,788 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 15,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit