🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.7

Radius: 8.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,983,550 km

• M1: 102,026 km (0.027 R)
• M2: 463,155 km (0.108 R)
• M3: 857,944 km (0.045 R)
• M4: 1,401,732 km (0.11 R)
• M5: 1,839,904 km (0.105 R)
• M6: 2,521,921 km (0.079 R)
• M7: 2,816,479 km (0.09 R)
• M8: 3,444,341 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 13.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.16 AU - 1.4 AU

Year: 982 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,983,550 km

• M1: 178,769 km (0.099 R)
• M2: 671,395 km (0.116 R)
• M3: 2,025,256 km (0.097 R)
• M4: 2,893,073 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 14.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.4 AU - 1.76 AU

Year: 1347 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,983,550 km

• M1: 175,478 km (0.069 R)
• M2: 708,496 km (0.066 R)
• M3: 1,167,911 km (0.074 R)
• M4: 1,961,078 km (0.108 R)
• M5: 2,716,548 km (0.055 R)
• M6: 3,546,367 km (0.066 R)
• M7: 4,075,495 km (0.058 R)
• M8: 4,539,847 km (0.055 R)
• M9: 4,986,247 km (0.097 R)
• M10: 5,462,117 km (0.078 R)
• M11: 5,948,311 km (0.094 R)
• M12: 6,484,619 km (0.118 R)
• M13: 7,822,921 km (0.069 R)
• M14: 8,570,462 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 12.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.02 AU - 4.24 AU

Year: 4691 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,983,550 km

• M1: 155,432 km (0.104 R)
• M2: 633,098 km (0.05 R)
• M3: 1,374,505 km (0.113 R)
• M4: 2,113,220 km (0.079 R)
• M5: 4,675,233 km (0.045 R)
• M6: 5,764,904 km (0.109 R)
• M7: 6,245,562 km (0.096 R)
• M8: 7,537,489 km (0.108 R)
• M9: 13,873,557 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 13.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.78 AU - 3.82 AU

Year: 5024 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,983,550 km

• M1: 164,408 km (0.036 R)
• M2: 603,029 km (0.108 R)
• M3: 1,462,469 km (0.114 R)
• M4: 1,924,128 km (0.112 R)
• M5: 2,768,907 km (0.114 R)
• M6: 4,140,570 km (0.11 R)
• M7: 6,536,230 km (0.1 R)
• M8: 7,672,127 km (0.107 R)
• M9: 9,824,092 km (0.078 R)
• M10: 10,994,097 km (0.074 R)
• M11: 12,014,654 km (0.116 R)
• M12: 13,924,719 km (0.067 R)
• M13: 18,149,363 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.9

Radius: 4.7

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.15 AU - 6.55 AU

Year: 10853 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,983,550 km

• M1: 91,853 km (0.034 R)
• M2: 580,589 km (0.101 R)
• M3: 737,817 km (0.041 R)
• M4: 896,540 km (0.101 R)
• M5: 1,622,987 km (0.106 R)
• M6: 2,333,727 km (0.086 R)
• M7: 2,876,917 km (0.049 R)
• M8: 3,432,074 km (0.068 R)
• M9: 4,502,298 km (0.116 R)
• M10: 5,461,968 km (0.081 R)
• M11: 7,201,941 km (0.064 R)
• M12: 7,543,173 km (0.077 R)
• M13: 10,770,299 km (0.057 R)
• M14: 11,368,092 km (0.11 R)
• M15: 13,577,503 km (0.119 R)
• M16: 13,923,074 km (0.042 R)
• M17: 14,156,746 km (0.067 R)
• M18: 14,812,882 km (0.082 R)
• M19: 27,778,230 km (0.043 R)
• M20: 34,213,183 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.8

Radius: 3.6

Gravity: 60.86 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.14 AU - 10.68 AU

Year: 22781 Days

Day: 17.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,983,550 km

• M1: 63,579 km (0.101 R)
• M2: 210,484 km (0.086 R)
• M3: 740,210 km (0.068 R)
• M4: 920,924 km (0.113 R)
• M5: 1,187,508 km (0.058 R)
• M6: 2,254,141 km (0.102 R)
• M7: 2,511,449 km (0.116 R)
• M8: 3,342,615 km (0.102 R)
• M9: 4,556,452 km (0.088 R)
• M10: 5,006,143 km (0.062 R)
• M11: 5,201,817 km (0.116 R)
• M12: 5,321,795 km (0.05 R)
• M13: 5,567,285 km (0.091 R)
• M14: 6,036,723 km (0.057 R)
• M15: 6,169,117 km (0.047 R)
• M16: 6,813,285 km (0.099 R)
• M17: 7,603,013 km (0.117 R)
• M18: 9,599,546 km (0.108 R)
• M19: 10,717,640 km (0.116 R)
• M20: 11,043,016 km (0.101 R)
• M21: 11,174,961 km (0.118 R)
• M22: 13,134,992 km (0.105 R)
• M23: 14,273,881 km (0.107 R)
• M24: 15,642,103 km (0.076 R)
• M25: 26,901,587 km (0.112 R)
• M26: 28,480,891 km (0.074 R)
• M27: 30,638,093 km (0.104 R)
• M28: 31,292,733 km (0.056 R)
• M29: 34,847,777 km (0.06 R)
• M30: 35,993,397 km (0.079 R)
• M31: 37,609,353 km (0.074 R)
• M32: 43,728,056 km (0.051 R)
• M33: 46,935,434 km (0.118 R)
• M34: 47,108,519 km (0.103 R)
• M35: 50,477,463 km (0.103 R)
• M36: 53,060,121 km (0.119 R)
• M37: 53,813,795 km (0.083 R)
• M38: 56,117,901 km (0.108 R)
• M39: 58,888,005 km (0.028 R)
• M40: 63,001,498 km (0.118 R)
• M41: 63,634,596 km (0.119 R)
• M42: 79,883,318 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 17,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit