🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.89 AU

Year: 249 Days

Day: 35.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.37 AU - 1.47 AU

Year: 600 Days

Day: 44.4 Hours

Environment

Temp: -13 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.11 AU - 1.79 AU

Year: 619 Days

Day: 29.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.54 AU - 2.7 AU

Year: 1504 Days

Day: 31 Hours

Environment

Temp: -79 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,590,294 km

• M1: 164,558 km (0.068 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.12 AU - 4.18 AU

Year: 2999 Days

Day: 28.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.22 AU - 4.92 AU

Year: 3466 Days

Day: 25.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 14.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.53 AU - 10.65 AU

Year: 9723 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,590,294 km

• M1: 184,903 km (0.074 R)
• M2: 2,580,713 km (0.047 R)
• M3: 4,101,375 km (0.093 R)
• M4: 4,817,500 km (0.096 R)
• M5: 5,642,084 km (0.106 R)
• M6: 6,214,744 km (0.092 R)
• M7: 7,350,342 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 9.7

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.71 AU - 10.09 AU

Year: 10224 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,590,294 km

• M1: 120,725 km (0.104 R)
• M2: 1,150,856 km (0.102 R)
• M3: 1,666,969 km (0.066 R)
• M4: 2,182,483 km (0.111 R)
• M5: 2,673,164 km (0.106 R)
• M6: 3,308,656 km (0.106 R)
• M7: 3,715,263 km (0.031 R)
• M8: 5,407,813 km (0.1 R)
• M9: 6,385,585 km (0.049 R)
• M10: 7,224,231 km (0.11 R)
• M11: 8,044,775 km (0.098 R)
• M12: 8,735,468 km (0.086 R)
• M13: 9,465,207 km (0.104 R)
• M14: 10,554,429 km (0.082 R)
• M15: 11,269,208 km (0.052 R)
• M16: 12,552,159 km (0.106 R)
• M17: 13,736,376 km (0.059 R)
• M18: 14,125,330 km (0.106 R)
• M19: 15,615,026 km (0.059 R)
• M20: 19,304,708 km (0.077 R)
• M21: 20,709,880 km (0.104 R)
• M22: 22,005,248 km (0.104 R)
• M23: 23,354,023 km (0.118 R)
• M24: 27,627,436 km (0.051 R)
• M25: 29,089,456 km (0.114 R)
• M26: 34,494,127 km (0.099 R)
• M27: 37,181,055 km (0.064 R)
• M28: 39,350,523 km (0.114 R)
• M29: 39,741,871 km (0.094 R)
• M30: 52,099,852 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456

Radius: 7.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 11.11 AU - 16.15 AU

Year: 17852 Days

Day: 15.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,590,294 km

• M1: 94,546 km (0.12 R)
• M2: 341,682 km (0.108 R)
• M3: 639,980 km (0.088 R)
• M4: 902,823 km (0.058 R)
• M5: 1,444,517 km (0.092 R)
• M6: 2,490,356 km (0.088 R)
• M7: 3,389,589 km (0.11 R)
• M8: 4,119,477 km (0.044 R)
• M9: 4,585,773 km (0.041 R)
• M10: 5,661,083 km (0.06 R)
• M11: 6,685,080 km (0.105 R)
• M12: 7,197,303 km (0.117 R)
• M13: 8,204,097 km (0.116 R)
• M14: 9,146,563 km (0.099 R)
• M15: 11,969,326 km (0.117 R)
• M16: 15,036,232 km (0.057 R)
• M17: 15,544,715 km (0.112 R)
• M18: 16,672,982 km (0.117 R)
• M19: 17,454,780 km (0.044 R)
• M20: 18,097,752 km (0.113 R)
• M21: 18,507,501 km (0.097 R)
• M22: 21,368,859 km (0.079 R)
• M23: 22,667,219 km (0.063 R)
• M24: 24,017,489 km (0.119 R)
• M25: 27,303,407 km (0.115 R)
• M26: 32,174,463 km (0.103 R)
• M27: 39,209,303 km (0.098 R)
• M28: 40,869,540 km (0.094 R)
• M29: 41,859,429 km (0.104 R)
• M30: 45,676,269 km (0.084 R)
• M31: 48,293,484 km (0.119 R)
• M32: 49,559,082 km (0.052 R)
• M33: 50,846,521 km (0.103 R)
• M34: 55,185,009 km (0.08 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 19,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit