🌌 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: 430.6

Radius: 13.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,945,659 km

• M1: 172,935 km (0.051 R)
• M2: 686,804 km (0.093 R)
• M3: 1,166,415 km (0.088 R)
• M4: 1,661,883 km (0.104 R)
• M5: 2,135,061 km (0.093 R)
• M6: 2,839,517 km (0.112 R)
• M7: 3,443,294 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 9.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.65 AU - 0.95 AU

Year: 485 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,945,659 km

• M1: 115,639 km (0.099 R)
• M2: 414,087 km (0.104 R)
• M3: 824,284 km (0.117 R)
• M4: 1,295,966 km (0.109 R)
• M5: 2,080,607 km (0.094 R)
• M6: 2,534,637 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 13

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.46 AU

Year: 1040 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,945,659 km

• M1: 164,707 km (0.079 R)
• M2: 773,122 km (0.119 R)
• M3: 1,285,195 km (0.078 R)
• M4: 2,606,743 km (0.113 R)
• M5: 3,401,407 km (0.071 R)
• M6: 6,751,950 km (0.056 R)
• M7: 8,141,864 km (0.065 R)
• M8: 8,833,455 km (0.118 R)
• M9: 9,237,669 km (0.115 R)
• M10: 9,897,844 km (0.115 R)
• M11: 10,525,108 km (0.091 R)
• M12: 10,979,885 km (0.059 R)
• M13: 11,447,827 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 13

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.57 AU - 3.95 AU

Year: 3992 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,945,659 km

• M1: 161,715 km (0.06 R)
• M2: 904,469 km (0.097 R)
• M3: 1,322,296 km (0.064 R)
• M4: 1,840,353 km (0.056 R)
• M5: 2,704,430 km (0.065 R)
• M6: 3,181,049 km (0.104 R)
• M7: 3,860,672 km (0.105 R)
• M8: 4,325,772 km (0.101 R)
• M9: 5,416,789 km (0.091 R)
• M10: 5,901,486 km (0.104 R)
• M11: 7,299,479 km (0.11 R)
• M12: 8,200,656 km (0.117 R)
• M13: 9,690,052 km (0.046 R)
• M14: 11,005,915 km (0.107 R)
• M15: 11,667,288 km (0.108 R)
• M16: 12,520,743 km (0.098 R)
• M17: 13,722,912 km (0.087 R)
• M18: 15,047,601 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 14.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.2 AU - 5.48 AU

Year: 7222 Days

Day: 14.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,945,659 km

• M1: 175,478 km (0.11 R)
• M2: 763,099 km (0.096 R)
• M3: 1,201,570 km (0.112 R)
• M4: 2,276,880 km (0.108 R)
• M5: 2,999,587 km (0.099 R)
• M6: 3,772,260 km (0.1 R)
• M7: 4,449,938 km (0.093 R)
• M8: 6,576,771 km (0.098 R)
• M9: 9,920,583 km (0.071 R)
• M10: 11,216,250 km (0.114 R)
• M11: 11,904,999 km (0.104 R)
• M12: 12,398,223 km (0.115 R)
• M13: 12,848,064 km (0.086 R)
• M14: 14,020,761 km (0.102 R)
• M15: 15,199,742 km (0.037 R)
• M16: 16,646,503 km (0.093 R)
• M17: 17,613,803 km (0.062 R)
• M18: 19,812,443 km (0.095 R)
• M19: 22,436,389 km (0.106 R)
• M20: 27,028,894 km (0.118 R)
• M21: 29,445,349 km (0.091 R)
• M22: 30,757,173 km (0.105 R)
• M23: 31,272,088 km (0.098 R)
• M24: 35,262,612 km (0.09 R)
• M25: 35,826,596 km (0.055 R)
• M26: 36,972,815 km (0.08 R)
• M27: 39,945,474 km (0.11 R)
• M28: 40,681,944 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.4

Radius: 4.3

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.79 AU - 6.55 AU

Year: 10395 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,945,659 km

• M1: 58,493 km (0.078 R)
• M2: 239,805 km (0.091 R)
• M3: 462,257 km (0.086 R)
• M4: 644,019 km (0.07 R)
• M5: 1,025,643 km (0.045 R)
• M6: 1,250,040 km (0.1 R)
• M7: 1,544,000 km (0.108 R)
• M8: 1,955,992 km (0.079 R)
• M9: 2,560,667 km (0.047 R)
• M10: 2,781,174 km (0.111 R)
• M11: 5,373,705 km (0.103 R)
• M12: 5,859,898 km (0.106 R)
• M13: 9,153,595 km (0.069 R)
• M14: 9,625,725 km (0.042 R)
• M15: 10,113,863 km (0.114 R)
• M16: 10,341,102 km (0.067 R)
• M17: 11,187,527 km (0.052 R)
• M18: 13,558,803 km (0.077 R)
• M19: 21,724,453 km (0.083 R)
• M20: 23,343,401 km (0.064 R)
• M21: 25,040,888 km (0.087 R)
• M22: 33,052,154 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.1

Radius: 6.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.53 AU - 8.51 AU

Year: 12615 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,945,659 km

• M1: 90,507 km (0.032 R)
• M2: 753,973 km (0.108 R)
• M3: 3,014,098 km (0.085 R)
• M4: 3,984,240 km (0.073 R)
• M5: 4,915,786 km (0.061 R)
• M6: 8,616,089 km (0.085 R)
• M7: 11,571,994 km (0.042 R)
• M8: 14,900,098 km (0.101 R)
• M9: 18,396,349 km (0.047 R)
• M10: 19,892,029 km (0.074 R)
• M11: 22,245,353 km (0.112 R)
• M12: 36,614,827 km (0.09 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: 462 - 14,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit