🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 13.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.75 AU - 0.97 AU

Year: 541 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,187,542 km

• M1: 164,258 km (0.111 R)
• M2: 598,092 km (0.099 R)
• M3: 1,144,424 km (0.087 R)
• M4: 1,927,718 km (0.11 R)
• M5: 2,544,809 km (0.105 R)
• M6: 3,155,468 km (0.117 R)
• M7: 3,862,467 km (0.092 R)
• M8: 4,866,269 km (0.093 R)
• M9: 5,795,721 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 12.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.84 AU - 1.32 AU

Year: 761 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,187,542 km

• M1: 159,172 km (0.092 R)
• M2: 655,239 km (0.102 R)
• M3: 1,099,694 km (0.049 R)
• M4: 1,576,014 km (0.105 R)
• M5: 2,076,867 km (0.065 R)
• M6: 2,521,323 km (0.102 R)
• M7: 2,929,276 km (0.08 R)
• M8: 4,255,162 km (0.078 R)
• M9: 4,885,866 km (0.119 R)
• M10: 6,075,319 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 13.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.01 AU - 1.19 AU

Year: 782 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,187,542 km

• M1: 170,542 km (0.113 R)
• M2: 605,572 km (0.105 R)
• M3: 1,052,271 km (0.086 R)
• M4: 1,513,033 km (0.085 R)
• M5: 2,092,725 km (0.113 R)
• M6: 2,703,982 km (0.11 R)
• M7: 3,750,867 km (0.054 R)
• M8: 4,196,220 km (0.048 R)
• M9: 5,194,337 km (0.064 R)
• M10: 5,924,375 km (0.103 R)
• M11: 6,406,978 km (0.091 R)
• M12: 7,800,631 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 13.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.4 AU - 3.92 AU

Year: 3810 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,187,542 km

• M1: 167,400 km (0.075 R)
• M2: 885,320 km (0.117 R)
• M3: 1,983,369 km (0.066 R)
• M4: 2,753,349 km (0.082 R)
• M5: 4,054,252 km (0.112 R)
• M6: 5,007,490 km (0.095 R)
• M7: 8,226,985 km (0.047 R)
• M8: 11,669,681 km (0.093 R)
• M9: 14,601,799 km (0.099 R)
• M10: 19,391,774 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 13.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.9 AU - 5.6 AU

Year: 7022 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,187,542 km

• M1: 165,455 km (0.092 R)
• M2: 1,006,195 km (0.116 R)
• M3: 2,634,419 km (0.079 R)
• M4: 3,918,417 km (0.056 R)
• M5: 4,665,509 km (0.076 R)
• M6: 5,852,717 km (0.03 R)
• M7: 7,045,013 km (0.088 R)
• M8: 7,748,422 km (0.086 R)
• M9: 9,713,240 km (0.055 R)
• M10: 10,342,598 km (0.083 R)
• M11: 10,998,884 km (0.104 R)
• M12: 11,552,546 km (0.119 R)
• M13: 13,089,066 km (0.115 R)
• M14: 14,605,091 km (0.056 R)
• M15: 17,463,906 km (0.106 R)
• M16: 18,454,842 km (0.105 R)
• M17: 20,485,334 km (0.082 R)
• M18: 22,254,179 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.3

Radius: 4.7

Gravity: 34.92 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.78 AU - 8.26 AU

Year: 12615 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,187,542 km

• M1: 63,130 km (0.119 R)
• M2: 476,619 km (0.082 R)
• M3: 712,086 km (0.093 R)
• M4: 1,057,358 km (0.101 R)
• M5: 1,582,147 km (0.062 R)
• M6: 1,893,759 km (0.118 R)
• M7: 2,129,675 km (0.104 R)
• M8: 2,660,598 km (0.092 R)
• M9: 3,643,007 km (0.077 R)
• M10: 4,125,909 km (0.057 R)
• M11: 4,682,713 km (0.11 R)
• M12: 5,393,901 km (0.091 R)
• M13: 5,609,621 km (0.107 R)
• M14: 6,058,564 km (0.118 R)
• M15: 10,886,387 km (0.104 R)
• M16: 11,057,975 km (0.085 R)
• M17: 14,258,173 km (0.05 R)
• M18: 16,932,235 km (0.115 R)
• M19: 17,551,421 km (0.115 R)
• M20: 20,963,299 km (0.082 R)
• M21: 22,870,971 km (0.062 R)
• M22: 27,131,967 km (0.082 R)
• M23: 32,244,624 km (0.113 R)
• M24: 34,041,145 km (0.065 R)
• M25: 41,476,907 km (0.088 R)
• M26: 51,035,613 km (0.054 R)
• M27: 54,800,094 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.1

Radius: 5.1

Gravity: 27.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.4 AU - 11.86 AU

Year: 21868 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,187,542 km

• M1: 63,429 km (0.09 R)
• M2: 256,560 km (0.116 R)
• M3: 452,833 km (0.108 R)
• M4: 730,337 km (0.033 R)
• M5: 1,011,431 km (0.102 R)
• M6: 1,473,838 km (0.114 R)
• M7: 1,662,032 km (0.075 R)
• M8: 2,258,629 km (0.111 R)
• M9: 2,509,953 km (0.083 R)
• M10: 2,779,828 km (0.076 R)
• M11: 3,554,445 km (0.115 R)
• M12: 3,768,670 km (0.039 R)
• M13: 4,291,065 km (0.049 R)
• M14: 4,823,335 km (0.096 R)
• M15: 5,319,401 km (0.053 R)
• M16: 5,600,196 km (0.114 R)
• M17: 5,765,053 km (0.045 R)
• M18: 6,018,322 km (0.113 R)
• M19: 6,323,352 km (0.091 R)
• M20: 8,373,890 km (0.061 R)
• M21: 13,284,590 km (0.103 R)
• M22: 16,504,834 km (0.105 R)
• M23: 21,895,892 km (0.078 R)
• M24: 25,772,123 km (0.078 R)
• M25: 34,848,375 km (0.086 R)
• M26: 35,407,123 km (0.109 R)
• M27: 39,336,162 km (0.064 R)
• M28: 40,094,324 km (0.084 R)
• M29: 40,862,060 km (0.102 R)
• M30: 42,427,153 km (0.073 R)
• M31: 44,520,775 km (0.112 R)
• M32: 45,178,557 km (0.098 R)
• M33: 59,533,669 km (0.097 R)
• M34: 60,532,534 km (0.096 R)
• M35: 68,274,374 km (0.118 R)
• M36: 80,961,769 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 18,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit