🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.6 AU - 0.76 AU

Year: 238 Days

Day: 39.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,830,185 km

• M1: 50,564 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.63 AU - 0.89 AU

Year: 281 Days

Day: 42.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.19 AU - 3.29 AU

Year: 1926 Days

Day: 16.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 8.5

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.96 AU - 4.48 AU

Year: 3046 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 118.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,830,185 km

• M1: 105,766 km (0.108 R)
• M2: 376,089 km (0.064 R)
• M3: 672,891 km (0.093 R)
• M4: 1,018,163 km (0.094 R)
• M5: 1,303,147 km (0.09 R)
• M6: 1,608,776 km (0.113 R)
• M7: 2,382,346 km (0.106 R)
• M8: 2,731,657 km (0.06 R)
• M9: 3,787,070 km (0.046 R)
• M10: 4,286,428 km (0.075 R)
• M11: 5,834,616 km (0.075 R)
• M12: 6,189,761 km (0.068 R)
• M13: 6,883,447 km (0.092 R)
• M14: 7,342,563 km (0.089 R)
• M15: 9,423,469 km (0.098 R)
• M16: 11,316,032 km (0.077 R)
• M17: 12,620,076 km (0.109 R)
• M18: 13,590,518 km (0.052 R)
• M19: 15,575,532 km (0.099 R)
• M20: 18,376,902 km (0.105 R)
• M21: 19,320,864 km (0.071 R)
• M22: 20,545,622 km (0.094 R)
• M23: 21,497,663 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 12.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.36 AU - 12.18 AU

Year: 12966 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,830,185 km

• M1: 154,235 km (0.073 R)
• M2: 730,636 km (0.105 R)
• M3: 1,154,596 km (0.11 R)
• M4: 1,575,116 km (0.115 R)
• M5: 2,518,929 km (0.065 R)
• M6: 4,704,703 km (0.093 R)
• M7: 8,422,659 km (0.115 R)
• M8: 8,878,484 km (0.095 R)
• M9: 9,691,399 km (0.111 R)
• M10: 11,410,578 km (0.092 R)
• M11: 12,255,955 km (0.069 R)
• M12: 13,508,837 km (0.068 R)
• M13: 14,779,970 km (0.106 R)
• M14: 16,408,642 km (0.107 R)
• M15: 17,929,305 km (0.073 R)
• M16: 20,505,829 km (0.066 R)
• M17: 26,868,526 km (0.106 R)
• M18: 27,261,968 km (0.1 R)
• M19: 27,959,543 km (0.045 R)
• M20: 28,976,659 km (0.086 R)
• M21: 30,548,484 km (0.086 R)
• M22: 33,067,861 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.7

Radius: 7.2

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 10.95 AU - 17.97 AU

Year: 23347 Days

Day: 21.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,830,185 km

• M1: 89,759 km (0.026 R)
• M2: 326,423 km (0.052 R)
• M3: 704,157 km (0.105 R)
• M4: 978,520 km (0.093 R)
• M5: 1,308,981 km (0.106 R)
• M6: 2,400,597 km (0.07 R)
• M7: 2,768,757 km (0.115 R)
• M8: 3,618,174 km (0.032 R)
• M9: 4,002,790 km (0.066 R)
• M10: 7,451,171 km (0.094 R)
• M11: 9,967,706 km (0.078 R)
• M12: 13,000,653 km (0.079 R)
• M13: 14,369,324 km (0.112 R)
• M14: 15,088,591 km (0.089 R)
• M15: 15,831,494 km (0.082 R)
• M16: 17,569,372 km (0.083 R)
• M17: 18,206,659 km (0.094 R)
• M18: 26,978,779 km (0.105 R)
• M19: 40,992,659 km (0.07 R)
• M20: 41,630,095 km (0.08 R)
• M21: 49,983,641 km (0.086 R)
• M22: 60,615,112 km (0.086 R)
• M23: 65,042,013 km (0.037 R)
• M24: 67,003,540 km (0.094 R)
• M25: 69,004,262 km (0.113 R)
• M26: 72,426,463 km (0.12 R)
• M27: 74,769,913 km (0.119 R)
• M28: 85,942,182 km (0.086 R)
• M29: 88,302,537 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.5

Radius: 5.4

Gravity: 26.87 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 12.26 AU - 16.86 AU

Year: 23589 Days

Day: 22.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,830,185 km

• M1: 67,169 km (0.112 R)
• M2: 240,553 km (0.118 R)
• M3: 511,026 km (0.086 R)
• M4: 1,051,523 km (0.091 R)
• M5: 1,591,572 km (0.108 R)
• M6: 3,374,479 km (0.073 R)
• M7: 3,840,327 km (0.07 R)
• M8: 6,229,704 km (0.109 R)
• M9: 7,423,944 km (0.115 R)
• M10: 9,580,098 km (0.111 R)
• M11: 9,883,632 km (0.045 R)
• M12: 10,193,599 km (0.073 R)
• M13: 10,638,503 km (0.105 R)
• M14: 12,050,707 km (0.119 R)
• M15: 15,241,480 km (0.075 R)
• M16: 16,332,946 km (0.116 R)
• M17: 17,565,632 km (0.072 R)
• M18: 21,119,629 km (0.112 R)
• M19: 27,003,612 km (0.079 R)
• M20: 27,731,556 km (0.077 R)
• M21: 28,722,492 km (0.034 R)
• M22: 29,736,616 km (0.104 R)
• M23: 41,705,642 km (0.039 R)
• M24: 44,331,235 km (0.069 R)
• M25: 45,513,806 km (0.099 R)
• M26: 51,188,502 km (0.078 R)
• M27: 51,373,106 km (0.108 R)
• M28: 56,525,406 km (0.097 R)
• M29: 71,234,317 km (0.079 R)
• M30: 75,930,344 km (0.055 R)
• M31: 82,845,356 km (0.058 R)
• M32: 86,979,194 km (0.056 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: 194 - 12,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit