🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 11.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.25 AU - 1.35 AU

Year: 1005 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,068,582 km

• M1: 143,165 km (0.102 R)
• M2: 581,188 km (0.106 R)
• M3: 1,242,560 km (0.084 R)
• M4: 2,166,028 km (0.071 R)
• M5: 2,914,615 km (0.105 R)
• M6: 3,699,555 km (0.078 R)
• M7: 4,907,558 km (0.09 R)
• M8: 5,670,507 km (0.116 R)
• M9: 6,125,584 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.9

Radius: 9.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.22 AU - 1.76 AU

Year: 1234 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,068,582 km

• M1: 120,576 km (0.108 R)
• M2: 553,213 km (0.103 R)
• M3: 861,534 km (0.068 R)
• M4: 1,223,561 km (0.113 R)
• M5: 1,660,387 km (0.119 R)
• M6: 2,145,233 km (0.043 R)
• M7: 2,475,097 km (0.105 R)
• M8: 3,054,789 km (0.113 R)
• M9: 3,505,078 km (0.059 R)
• M10: 5,491,588 km (0.114 R)
• M11: 6,977,843 km (0.099 R)
• M12: 7,299,479 km (0.11 R)
• M13: 7,683,197 km (0.109 R)
• M14: 7,999,597 km (0.095 R)
• M15: 8,490,876 km (0.118 R)
• M16: 9,837,855 km (0.109 R)
• M17: 10,211,551 km (0.119 R)
• M18: 11,087,147 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 9.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.75 AU - 2.09 AU

Year: 1804 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,068,582 km

• M1: 119,379 km (0.1 R)
• M2: 511,475 km (0.064 R)
• M3: 826,229 km (0.088 R)
• M4: 1,240,615 km (0.119 R)
• M5: 1,960,330 km (0.086 R)
• M6: 2,988,367 km (0.068 R)
• M7: 5,773,730 km (0.063 R)
• M8: 6,789,649 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 9.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.79 AU - 2.15 AU

Year: 1875 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,068,582 km

• M1: 123,119 km (0.036 R)
• M2: 485,744 km (0.1 R)
• M3: 796,459 km (0.083 R)
• M4: 1,109,268 km (0.066 R)
• M5: 1,649,317 km (0.062 R)
• M6: 2,101,401 km (0.071 R)
• M7: 2,676,306 km (0.085 R)
• M8: 3,084,858 km (0.076 R)
• M9: 3,402,005 km (0.095 R)
• M10: 3,811,455 km (0.09 R)
• M11: 4,311,261 km (0.111 R)
• M12: 4,750,331 km (0.094 R)
• M13: 5,241,161 km (0.086 R)
• M14: 6,760,477 km (0.052 R)
• M15: 7,982,991 km (0.108 R)
• M16: 9,544,643 km (0.078 R)
• M17: 10,084,841 km (0.116 R)
• M18: 10,969,563 km (0.108 R)
• M19: 11,374,824 km (0.102 R)
• M20: 12,852,551 km (0.079 R)
• M21: 14,807,646 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.1

Radius: 7.3

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.38 AU - 9.3 AU

Year: 17827 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,068,582 km

• M1: 94,396 km (0.1 R)
• M2: 451,935 km (0.105 R)
• M3: 822,788 km (0.096 R)
• M4: 1,262,157 km (0.075 R)
• M5: 1,505,403 km (0.091 R)
• M6: 1,993,840 km (0.041 R)
• M7: 3,004,823 km (0.11 R)
• M8: 3,284,122 km (0.046 R)
• M9: 3,865,908 km (0.083 R)
• M10: 5,233,382 km (0.084 R)
• M11: 6,389,325 km (0.098 R)
• M12: 8,987,391 km (0.042 R)
• M13: 11,165,536 km (0.069 R)
• M14: 11,963,641 km (0.064 R)
• M15: 12,733,472 km (0.075 R)
• M16: 14,874,815 km (0.116 R)
• M17: 15,689,226 km (0.086 R)
• M18: 17,165,159 km (0.108 R)
• M19: 17,568,475 km (0.108 R)
• M20: 19,418,552 km (0.062 R)
• M21: 19,944,837 km (0.045 R)
• M22: 20,390,639 km (0.115 R)
• M23: 23,402,792 km (0.038 R)
• M24: 24,099,170 km (0.114 R)
• M25: 28,122,305 km (0.04 R)
• M26: 30,175,386 km (0.105 R)
• M27: 30,881,339 km (0.085 R)
• M28: 31,960,837 km (0.051 R)
• M29: 33,189,634 km (0.091 R)
• M30: 34,705,360 km (0.078 R)
• M31: 42,246,139 km (0.066 R)
• M32: 43,129,515 km (0.112 R)
• M33: 52,650,522 km (0.102 R)
• M34: 53,502,033 km (0.091 R)
• M35: 56,821,011 km (0.082 R)
• M36: 57,897,069 km (0.099 R)
• M37: 61,206,473 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.5

Radius: 4.8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.59 AU - 11.05 AU

Year: 19298 Days

Day: 19.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,068,582 km

• M1: 123,568 km (0.066 R)
• M2: 421,118 km (0.071 R)
• M3: 933,042 km (0.062 R)
• M4: 1,330,224 km (0.061 R)
• M5: 1,632,861 km (0.081 R)
• M6: 2,799,425 km (0.041 R)
• M7: 4,763,196 km (0.077 R)
• M8: 5,989,151 km (0.052 R)
• M9: 6,279,520 km (0.112 R)
• M10: 7,247,718 km (0.048 R)
• M11: 9,378,440 km (0.111 R)
• M12: 10,326,292 km (0.09 R)
• M13: 11,064,408 km (0.102 R)
• M14: 11,336,227 km (0.083 R)
• M15: 14,956,346 km (0.109 R)
• M16: 28,311,995 km (0.037 R)
• M17: 33,112,142 km (0.108 R)
• M18: 34,941,575 km (0.067 R)
• M19: 38,551,521 km (0.1 R)
• M20: 39,681,134 km (0.106 R)
• M21: 44,831,639 km (0.055 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 18,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit