🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 288 Days

Day: 44.1 Hours

Environment

Temp: 150 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.91 AU - 1.01 AU

Year: 340 Days

Day: 43.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.21 AU - 1.27 AU

Year: 499 Days

Day: 12.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.14 AU - 1.56 AU

Year: 567 Days

Day: 18.3 Hours

Environment

Temp: -17 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,712,298 km

• M1: 42,336 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.39 AU - 1.51 AU

Year: 631 Days

Day: 19.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 8.4

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.23 AU - 6.09 AU

Year: 4239 Days

Day: 12.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,712,298 km

• M1: 104,419 km (0.12 R)
• M2: 382,971 km (0.119 R)
• M3: 991,834 km (0.11 R)
• M4: 1,484,310 km (0.039 R)
• M5: 2,043,657 km (0.062 R)
• M6: 3,031,750 km (0.041 R)
• M7: 3,472,167 km (0.087 R)
• M8: 4,070,408 km (0.114 R)
• M9: 4,382,170 km (0.116 R)
• M10: 5,053,715 km (0.097 R)
• M11: 7,065,956 km (0.064 R)
• M12: 7,411,677 km (0.115 R)
• M13: 8,136,927 km (0.103 R)
• M14: 8,478,459 km (0.111 R)
• M15: 8,790,072 km (0.109 R)
• M16: 9,770,835 km (0.115 R)
• M17: 11,803,870 km (0.103 R)
• M18: 12,640,422 km (0.115 R)
• M19: 15,793,047 km (0.08 R)
• M20: 21,592,957 km (0.113 R)
• M21: 22,028,586 km (0.104 R)
• M22: 23,143,239 km (0.116 R)
• M23: 24,216,903 km (0.079 R)
• M24: 25,243,444 km (0.073 R)
• M25: 26,546,292 km (0.114 R)
• M26: 28,845,611 km (0.094 R)
• M27: 30,088,620 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 14.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.86 AU - 11.74 AU

Year: 11955 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,712,298 km

• M1: 179,069 km (0.099 R)
• M2: 651,050 km (0.092 R)
• M3: 1,179,579 km (0.077 R)
• M4: 2,408,526 km (0.099 R)
• M5: 3,205,434 km (0.091 R)
• M6: 3,955,218 km (0.069 R)
• M7: 4,579,340 km (0.08 R)
• M8: 5,745,306 km (0.106 R)
• M9: 6,649,925 km (0.045 R)
• M10: 8,221,600 km (0.069 R)
• M11: 9,242,904 km (0.116 R)
• M12: 12,817,396 km (0.071 R)
• M13: 14,475,838 km (0.102 R)
• M14: 15,719,295 km (0.076 R)
• M15: 16,523,982 km (0.085 R)
• M16: 17,683,366 km (0.105 R)
• M17: 18,485,958 km (0.041 R)
• M18: 22,094,409 km (0.097 R)
• M19: 25,977,371 km (0.106 R)
• M20: 29,823,383 km (0.036 R)
• M21: 30,388,563 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.7

Radius: 5.8

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 15.63 AU - 17.95 AU

Year: 24881 Days

Day: 20.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,712,298 km

• M1: 72,106 km (0.105 R)
• M2: 343,028 km (0.096 R)
• M3: 1,502,262 km (0.107 R)
• M4: 2,019,870 km (0.116 R)
• M5: 2,548,549 km (0.073 R)
• M6: 2,967,723 km (0.119 R)
• M7: 3,909,441 km (0.113 R)
• M8: 6,045,699 km (0.062 R)
• M9: 7,909,838 km (0.097 R)
• M10: 9,751,836 km (0.095 R)
• M11: 10,253,438 km (0.104 R)
• M12: 11,652,178 km (0.057 R)
• M13: 11,932,375 km (0.072 R)
• M14: 12,652,390 km (0.108 R)
• M15: 13,248,986 km (0.099 R)
• M16: 14,020,911 km (0.108 R)
• M17: 14,578,761 km (0.106 R)
• M18: 16,428,539 km (0.079 R)
• M19: 16,780,842 km (0.093 R)
• M20: 18,429,261 km (0.108 R)
• M21: 20,283,227 km (0.1 R)
• M22: 25,279,347 km (0.08 R)
• M23: 27,193,003 km (0.115 R)
• M24: 28,436,910 km (0.11 R)
• M25: 31,847,741 km (0.094 R)
• M26: 32,257,938 km (0.063 R)
• M27: 34,938,882 km (0.1 R)
• M28: 36,110,682 km (0.086 R)
• M29: 37,006,624 km (0.079 R)
• M30: 38,224,201 km (0.082 R)
• M31: 40,738,941 km (0.117 R)
• M32: 51,902,084 km (0.086 R)
• M33: 64,941,333 km (0.065 R)
• M34: 67,157,626 km (0.115 R)
• M35: 69,883,000 km (0.107 R)
• M36: 72,445,462 km (0.12 R)
• M37: 72,681,377 km (0.046 R)
• M38: 80,002,248 km (0.104 R)
• M39: 86,200,986 km (0.11 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 16,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit