🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.93 AU - 1.55 AU

Year: 512 Days

Day: 24.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.26 AU - 3.2 AU

Year: 1673 Days

Day: 34.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.67 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 14.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.46 AU - 5.74 AU

Year: 3659 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 99,243,910 km

• M1: 179,218 km (0.101 R)
• M2: 677,080 km (0.096 R)
• M3: 1,142,180 km (0.047 R)
• M4: 1,643,033 km (0.042 R)
• M5: 2,268,502 km (0.043 R)
• M6: 2,875,121 km (0.117 R)
• M7: 3,359,819 km (0.101 R)
• M8: 3,811,305 km (0.07 R)
• M9: 4,380,226 km (0.091 R)
• M10: 4,942,564 km (0.103 R)
• M11: 6,164,330 km (0.068 R)
• M12: 6,820,616 km (0.088 R)
• M13: 9,491,985 km (0.079 R)
• M14: 13,326,029 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.45 AU - 5.41 AU

Year: 4060 Days

Day: 13.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 99,243,910 km

• M1: 169,195 km (0.101 R)
• M2: 840,740 km (0.113 R)
• M3: 1,435,840 km (0.033 R)
• M4: 1,859,352 km (0.039 R)
• M5: 2,713,107 km (0.073 R)
• M6: 4,231,974 km (0.118 R)
• M7: 6,079,508 km (0.086 R)
• M8: 6,801,318 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 14.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.35 AU - 5.59 AU

Year: 4109 Days

Day: 7.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 99,243,910 km

• M1: 184,305 km (0.071 R)
• M2: 1,749,098 km (0.043 R)
• M3: 4,102,273 km (0.096 R)
• M4: 6,570,638 km (0.109 R)
• M5: 7,787,766 km (0.12 R)
• M6: 9,177,680 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 13.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.17 AU - 7.45 AU

Year: 5878 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 99,243,910 km

• M1: 169,195 km (0.102 R)
• M2: 629,508 km (0.103 R)
• M3: 1,082,041 km (0.103 R)
• M4: 1,873,414 km (0.12 R)
• M5: 2,868,988 km (0.107 R)
• M6: 3,643,307 km (0.081 R)
• M7: 4,068,164 km (0.057 R)
• M8: 7,398,512 km (0.096 R)
• M9: 8,243,591 km (0.088 R)
• M10: 9,675,392 km (0.06 R)
• M11: 13,746,698 km (0.043 R)
• M12: 14,317,863 km (0.09 R)
• M13: 14,786,104 km (0.079 R)
• M14: 16,189,930 km (0.11 R)
• M15: 16,762,890 km (0.041 R)
• M16: 18,288,489 km (0.108 R)
• M17: 24,154,072 km (0.118 R)
• M18: 25,666,806 km (0.109 R)
• M19: 26,797,915 km (0.109 R)
• M20: 27,871,280 km (0.116 R)
• M21: 28,787,417 km (0.069 R)
• M22: 30,103,729 km (0.047 R)
• M23: 33,467,138 km (0.053 R)
• M24: 35,345,639 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 11.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.18 AU - 12.46 AU

Year: 15071 Days

Day: 9.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 99,243,910 km

• M1: 144,212 km (0.092 R)
• M2: 623,674 km (0.109 R)
• M3: 1,047,335 km (0.109 R)
• M4: 1,560,904 km (0.116 R)
• M5: 2,357,214 km (0.111 R)
• M6: 3,130,934 km (0.09 R)
• M7: 4,366,014 km (0.111 R)
• M8: 7,680,355 km (0.096 R)
• M9: 8,329,909 km (0.09 R)
• M10: 11,596,827 km (0.086 R)
• M11: 13,153,692 km (0.054 R)
• M12: 15,272,447 km (0.062 R)
• M13: 16,375,432 km (0.086 R)
• M14: 22,326,585 km (0.03 R)
• M15: 35,664,282 km (0.11 R)
• M16: 53,664,047 km (0.117 R)
• M17: 58,469,430 km (0.091 R)
• M18: 59,000,802 km (0.109 R)
• M19: 59,893,452 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.8

Radius: 5

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 16.71 AU - 21.83 AU

Year: 31371 Days

Day: 20.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,243,910 km

• M1: 468,391 km (0.041 R)
• M2: 670,049 km (0.088 R)
• M3: 855,700 km (0.116 R)
• M4: 1,450,501 km (0.043 R)
• M5: 2,216,143 km (0.116 R)
• M6: 2,556,927 km (0.1 R)
• M7: 4,845,625 km (0.106 R)
• M8: 6,221,327 km (0.095 R)
• M9: 6,897,958 km (0.11 R)
• M10: 10,425,326 km (0.118 R)
• M11: 12,759,801 km (0.042 R)
• M12: 16,029,412 km (0.1 R)
• M13: 20,122,858 km (0.119 R)
• M14: 24,626,801 km (0.073 R)
• M15: 28,706,335 km (0.072 R)
• M16: 29,098,132 km (0.104 R)
• M17: 34,963,865 km (0.082 R)
• M18: 50,653,091 km (0.108 R)
• M19: 55,148,956 km (0.03 R)
• M20: 60,972,203 km (0.099 R)
• M21: 70,218,249 km (0.084 R)
• M22: 84,028,526 km (0.069 R)
• M23: 91,143,700 km (0.09 R)
• M24: 97,469,296 km (0.115 R)
• M25: 98,058,412 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit