🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.4

Radius: 13.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.5 AU - 0.64 AU

Year: 302 Days

Day: 10.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,851,566 km

• M1: 171,738 km (0.073 R)
• M2: 606,171 km (0.098 R)
• M3: 1,185,114 km (0.115 R)
• M4: 1,708,557 km (0.105 R)
• M5: 2,411,667 km (0.119 R)
• M6: 2,960,542 km (0.109 R)
• M7: 3,761,040 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 10.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.6 AU - 0.66 AU

Year: 351 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,851,566 km

• M1: 130,599 km (0.03 R)
• M2: 458,966 km (0.08 R)
• M3: 1,017,714 km (0.114 R)
• M4: 1,549,535 km (0.098 R)
• M5: 2,552,140 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 14.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.17 AU - 1.75 AU

Year: 1240 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,851,566 km

• M1: 181,911 km (0.097 R)
• M2: 918,232 km (0.118 R)
• M3: 1,695,991 km (0.042 R)
• M4: 2,778,930 km (0.112 R)
• M5: 3,321,970 km (0.089 R)
• M6: 4,217,912 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 11

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.59 AU - 1.91 AU

Year: 1627 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,851,566 km

• M1: 136,732 km (0.12 R)
• M2: 484,548 km (0.076 R)
• M3: 901,477 km (0.101 R)
• M4: 1,278,164 km (0.036 R)
• M5: 1,789,191 km (0.112 R)
• M6: 2,502,473 km (0.098 R)
• M7: 3,010,508 km (0.104 R)
• M8: 3,381,809 km (0.113 R)
• M9: 4,069,660 km (0.118 R)
• M10: 4,757,212 km (0.088 R)
• M11: 5,186,558 km (0.1 R)
• M12: 6,059,163 km (0.102 R)
• M13: 6,430,165 km (0.114 R)
• M14: 6,839,465 km (0.109 R)
• M15: 8,736,216 km (0.094 R)
• M16: 9,939,731 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 10.1

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.82 AU - 2.2 AU

Year: 2003 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,851,566 km

• M1: 125,662 km (0.075 R)
• M2: 607,517 km (0.104 R)
• M3: 972,685 km (0.045 R)
• M4: 1,469,350 km (0.1 R)
• M5: 2,463,129 km (0.056 R)
• M6: 3,908,693 km (0.094 R)
• M7: 4,354,794 km (0.098 R)
• M8: 4,752,276 km (0.066 R)
• M9: 5,327,330 km (0.047 R)
• M10: 7,334,036 km (0.099 R)
• M11: 8,430,887 km (0.069 R)
• M12: 12,693,080 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 10.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.69 AU - 2.63 AU

Year: 2231 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,851,566 km

• M1: 130,599 km (0.092 R)
• M2: 560,244 km (0.04 R)
• M3: 1,012,927 km (0.106 R)
• M4: 1,373,009 km (0.117 R)
• M5: 2,421,391 km (0.08 R)
• M6: 2,915,363 km (0.089 R)
• M7: 4,494,668 km (0.077 R)
• M8: 5,788,540 km (0.096 R)
• M9: 6,580,511 km (0.119 R)
• M10: 8,379,874 km (0.084 R)
• M11: 9,605,081 km (0.114 R)
• M12: 10,324,796 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 9.6

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.19 AU - 3.35 AU

Year: 3241 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,851,566 km

• M1: 119,379 km (0.118 R)
• M2: 447,746 km (0.109 R)
• M3: 964,009 km (0.097 R)
• M4: 1,289,982 km (0.117 R)
• M5: 1,762,861 km (0.04 R)
• M6: 2,847,895 km (0.072 R)
• M7: 4,397,729 km (0.057 R)
• M8: 6,148,921 km (0.076 R)
• M9: 7,099,317 km (0.115 R)
• M10: 7,559,330 km (0.101 R)
• M11: 8,649,001 km (0.113 R)
• M12: 10,580,309 km (0.049 R)
• M13: 10,964,028 km (0.115 R)
• M14: 12,451,180 km (0.118 R)
• M15: 16,098,975 km (0.071 R)
• M16: 16,894,088 km (0.119 R)
• M17: 18,074,864 km (0.114 R)
• M18: 18,933,705 km (0.054 R)
• M19: 19,563,512 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 7.7

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.7 AU - 7.12 AU

Year: 10099 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,851,566 km

• M1: 95,892 km (0.088 R)
• M2: 457,470 km (0.059 R)
• M3: 1,147,116 km (0.072 R)
• M4: 1,978,133 km (0.103 R)
• M5: 2,294,831 km (0.051 R)
• M6: 3,031,302 km (0.052 R)
• M7: 4,501,550 km (0.115 R)
• M8: 6,048,092 km (0.071 R)
• M9: 6,502,122 km (0.104 R)
• M10: 7,322,217 km (0.07 R)
• M11: 7,717,006 km (0.115 R)
• M12: 9,031,672 km (0.03 R)
• M13: 9,393,998 km (0.055 R)
• M14: 9,907,867 km (0.107 R)
• M15: 10,293,231 km (0.116 R)
• M16: 11,042,716 km (0.12 R)
• M17: 12,372,043 km (0.097 R)
• M18: 12,819,042 km (0.117 R)
• M19: 14,407,771 km (0.113 R)
• M20: 14,840,109 km (0.118 R)
• M21: 15,472,908 km (0.081 R)
• M22: 15,926,339 km (0.11 R)
• M23: 21,356,891 km (0.111 R)
• M24: 27,621,003 km (0.049 R)
• M25: 29,064,323 km (0.081 R)
• M26: 30,054,063 km (0.089 R)
• M27: 31,066,092 km (0.12 R)
• M28: 33,372,293 km (0.053 R)
• M29: 34,677,086 km (0.07 R)
• M30: 35,453,798 km (0.106 R)
• M31: 37,504,037 km (0.113 R)
• M32: 38,795,216 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.2

Radius: 7.5

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.94 AU - 7.7 AU

Year: 11168 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,851,566 km

• M1: 93,349 km (0.115 R)
• M2: 352,453 km (0.082 R)
• M3: 752,028 km (0.109 R)
• M4: 3,836,886 km (0.108 R)
• M5: 4,436,026 km (0.09 R)
• M6: 6,609,234 km (0.065 R)
• M7: 7,132,976 km (0.099 R)
• M8: 8,081,875 km (0.096 R)
• M9: 9,063,836 km (0.106 R)
• M10: 9,966,958 km (0.093 R)
• M11: 10,228,156 km (0.102 R)
• M12: 10,983,924 km (0.046 R)
• M13: 14,515,182 km (0.097 R)
• M14: 15,055,231 km (0.12 R)
• M15: 18,737,732 km (0.091 R)
• M16: 20,617,130 km (0.118 R)
• M17: 26,502,310 km (0.109 R)
• M18: 34,834,762 km (0.106 R)
• M19: 35,924,133 km (0.092 R)
• M20: 38,682,419 km (0.088 R)
• M21: 40,376,914 km (0.044 R)
• M22: 42,941,770 km (0.079 R)
• M23: 43,773,833 km (0.087 R)
• M24: 46,189,390 km (0.076 R)
• M25: 49,748,921 km (0.081 R)
• M26: 51,751,439 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 13,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit