🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

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: 243

Radius: 10.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.56 AU - 0.58 AU

Year: 292 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,394,578 km

• M1: 133,142 km (0.066 R)
• M2: 523,144 km (0.094 R)
• M3: 952,789 km (0.073 R)
• M4: 1,428,809 km (0.098 R)
• M5: 2,751,853 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 9.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.68 AU - 0.94 AU

Year: 494 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,394,578 km

• M1: 121,922 km (0.115 R)
• M2: 467,194 km (0.068 R)
• M3: 969,394 km (0.119 R)
• M4: 2,062,356 km (0.069 R)
• M5: 2,507,260 km (0.104 R)
• M6: 3,207,229 km (0.029 R)
• M7: 4,032,261 km (0.116 R)
• M8: 4,436,923 km (0.076 R)
• M9: 4,792,218 km (0.081 R)
• M10: 5,644,776 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 8.1

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.97 AU - 1.45 AU

Year: 903 Days

Day: 12.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,394,578 km

• M1: 100,829 km (0.071 R)
• M2: 362,176 km (0.04 R)
• M3: 706,102 km (0.114 R)
• M4: 959,072 km (0.036 R)
• M5: 1,325,736 km (0.089 R)
• M6: 1,955,843 km (0.045 R)
• M7: 2,322,357 km (0.077 R)
• M8: 2,771,749 km (0.111 R)
• M9: 3,278,138 km (0.103 R)
• M10: 3,781,984 km (0.047 R)
• M11: 4,118,429 km (0.12 R)
• M12: 4,723,553 km (0.06 R)
• M13: 5,327,479 km (0.118 R)
• M14: 6,003,063 km (0.111 R)
• M15: 6,897,060 km (0.113 R)
• M16: 7,573,841 km (0.101 R)
• M17: 8,214,868 km (0.101 R)
• M18: 8,643,615 km (0.097 R)
• M19: 9,172,145 km (0.065 R)
• M20: 9,840,698 km (0.034 R)
• M21: 10,293,829 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 11.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.11 AU - 1.83 AU

Year: 1209 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,394,578 km

• M1: 144,212 km (0.111 R)
• M2: 509,082 km (0.037 R)
• M3: 1,087,726 km (0.104 R)
• M4: 1,547,590 km (0.117 R)
• M5: 1,958,835 km (0.036 R)
• M6: 2,455,200 km (0.051 R)
• M7: 2,939,000 km (0.059 R)
• M8: 3,365,354 km (0.102 R)
• M9: 3,915,126 km (0.094 R)
• M10: 4,919,227 km (0.079 R)
• M11: 5,998,127 km (0.041 R)
• M12: 6,360,153 km (0.115 R)
• M13: 7,903,704 km (0.115 R)
• M14: 8,311,957 km (0.11 R)
• M15: 9,409,856 km (0.108 R)
• M16: 10,998,735 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 11.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.04 AU - 3.12 AU

Year: 3666 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,394,578 km

• M1: 143,016 km (0.119 R)
• M2: 723,904 km (0.049 R)
• M3: 1,112,559 km (0.105 R)
• M4: 1,507,947 km (0.05 R)
• M5: 1,934,300 km (0.107 R)
• M6: 2,727,169 km (0.118 R)
• M7: 3,229,220 km (0.08 R)
• M8: 3,758,647 km (0.118 R)
• M9: 4,197,716 km (0.101 R)
• M10: 4,992,231 km (0.075 R)
• M11: 6,528,002 km (0.082 R)
• M12: 7,034,541 km (0.089 R)
• M13: 7,732,116 km (0.083 R)
• M14: 9,202,962 km (0.117 R)
• M15: 9,743,160 km (0.064 R)
• M16: 10,372,069 km (0.116 R)
• M17: 11,601,016 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 10

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.12 AU - 3.54 AU

Year: 4122 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,394,578 km

• M1: 124,316 km (0.111 R)
• M2: 446,998 km (0.109 R)
• M3: 772,523 km (0.111 R)
• M4: 1,227,451 km (0.112 R)
• M5: 1,614,311 km (0.072 R)
• M6: 1,947,615 km (0.077 R)
• M7: 2,511,449 km (0.085 R)
• M8: 4,163,458 km (0.099 R)
• M9: 5,470,645 km (0.081 R)
• M10: 5,914,352 km (0.057 R)
• M11: 6,563,607 km (0.113 R)
• M12: 7,292,597 km (0.066 R)
• M13: 7,625,901 km (0.077 R)
• M14: 10,545,154 km (0.095 R)
• M15: 11,679,405 km (0.117 R)
• M16: 12,844,922 km (0.043 R)
• M17: 13,630,610 km (0.041 R)
• M18: 15,460,491 km (0.092 R)
• M19: 15,956,258 km (0.118 R)
• M20: 16,349,252 km (0.119 R)
• M21: 16,921,913 km (0.114 R)
• M22: 18,844,395 km (0.107 R)
• M23: 21,042,137 km (0.061 R)
• M24: 21,651,300 km (0.119 R)
• M25: 22,976,139 km (0.076 R)
• M26: 25,176,574 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 12

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.17 AU - 4.65 AU

Year: 5244 Days

Day: 12.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,394,578 km

• M1: 149,299 km (0.08 R)
• M2: 1,087,577 km (0.075 R)
• M3: 1,481,318 km (0.105 R)
• M4: 2,250,700 km (0.101 R)
• M5: 2,840,116 km (0.076 R)
• M6: 4,071,904 km (0.093 R)
• M7: 5,171,598 km (0.088 R)
• M8: 9,397,589 km (0.079 R)
• M9: 13,891,808 km (0.076 R)
• M10: 15,820,872 km (0.093 R)
• M11: 16,248,722 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.4

Radius: 5.8

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.97 AU - 8.17 AU

Year: 12750 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,394,578 km

• M1: 72,256 km (0.053 R)
• M2: 291,716 km (0.057 R)
• M3: 570,117 km (0.1 R)
• M4: 909,256 km (0.094 R)
• M5: 1,630,467 km (0.098 R)
• M6: 1,846,487 km (0.102 R)
• M7: 2,656,559 km (0.065 R)
• M8: 2,981,186 km (0.055 R)
• M9: 3,254,502 km (0.08 R)
• M10: 4,206,393 km (0.073 R)
• M11: 5,924,973 km (0.108 R)
• M12: 6,981,882 km (0.081 R)
• M13: 7,509,813 km (0.053 R)
• M14: 10,274,681 km (0.055 R)
• M15: 10,612,174 km (0.052 R)
• M16: 11,073,683 km (0.093 R)
• M17: 11,791,005 km (0.072 R)
• M18: 13,719,172 km (0.101 R)
• M19: 14,128,472 km (0.111 R)
• M20: 15,552,195 km (0.096 R)
• M21: 15,773,599 km (0.08 R)
• M22: 17,862,883 km (0.113 R)
• M23: 18,105,830 km (0.093 R)
• M24: 19,099,759 km (0.109 R)
• M25: 19,353,925 km (0.11 R)
• M26: 20,217,105 km (0.083 R)
• M27: 24,921,509 km (0.111 R)
• M28: 25,942,515 km (0.089 R)
• M29: 26,358,696 km (0.103 R)
• M30: 29,172,782 km (0.115 R)
• M31: 31,351,675 km (0.109 R)
• M32: 33,513,663 km (0.105 R)
• M33: 35,262,462 km (0.042 R)
• M34: 37,998,308 km (0.104 R)
• M35: 40,592,485 km (0.057 R)
• M36: 43,594,615 km (0.061 R)
• M37: 49,238,344 km (0.106 R)
• M38: 50,519,500 km (0.102 R)
• M39: 52,814,631 km (0.044 R)
• M40: 54,156,972 km (0.068 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: 376 - 13,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit