🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.47 AU - 0.53 AU

Year: 127 Days

Day: 32.4 Hours

Environment

Temp: 243 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.51 AU - 0.59 AU

Year: 146 Days

Day: 47.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 174.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.58 AU - 0.76 AU

Year: 196 Days

Day: 30.2 Hours

Environment

Temp: 197 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.2 AU - 1.38 AU

Year: 525 Days

Day: 23.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.53 AU - 2.29 AU

Year: 945 Days

Day: 38.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.48 AU - 2.54 AU

Year: 1424 Days

Day: 23.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 111,661,986 km

• M1: 20,196 km (0.034 R)
• M2: 968,796 km (0.066 R)

Asteroid Belt

Center: 5.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 14.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.57 AU - 10.87 AU

Year: 10027 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 111,661,986 km

• M1: 182,809 km (0.051 R)
• M2: 927,208 km (0.09 R)
• M3: 1,582,745 km (0.092 R)
• M4: 2,123,243 km (0.077 R)
• M5: 2,736,893 km (0.102 R)
• M6: 3,216,803 km (0.062 R)
• M7: 4,326,670 km (0.07 R)
• M8: 5,035,016 km (0.041 R)
• M9: 5,848,230 km (0.113 R)
• M10: 7,911,334 km (0.096 R)
• M11: 8,412,786 km (0.064 R)
• M12: 9,923,276 km (0.11 R)
• M13: 13,477,123 km (0.076 R)
• M14: 15,209,017 km (0.083 R)
• M15: 18,668,917 km (0.108 R)
• M16: 20,615,634 km (0.118 R)
• M17: 22,837,611 km (0.072 R)
• M18: 23,637,212 km (0.092 R)
• M19: 25,369,256 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 14.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.53 AU - 11.47 AU

Year: 12186 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 111,661,986 km

• M1: 184,005 km (0.096 R)
• M2: 688,749 km (0.116 R)
• M3: 1,956,890 km (0.105 R)
• M4: 2,760,679 km (0.058 R)
• M5: 6,806,554 km (0.095 R)
• M6: 8,218,309 km (0.083 R)
• M7: 9,294,217 km (0.083 R)
• M8: 13,809,080 km (0.118 R)
• M9: 17,310,718 km (0.103 R)
• M10: 23,395,461 km (0.059 R)
• M11: 33,690,188 km (0.116 R)
• M12: 34,475,428 km (0.053 R)
• M13: 41,203,742 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 7.1

Gravity: 17.62 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 16.75 AU - 22.57 AU

Year: 31221 Days

Day: 17 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 111,661,986 km

• M1: 88,412 km (0.076 R)
• M2: 495,767 km (0.073 R)
• M3: 772,075 km (0.091 R)
• M4: 1,325,587 km (0.066 R)
• M5: 2,141,194 km (0.109 R)
• M6: 2,590,437 km (0.107 R)
• M7: 3,380,164 km (0.104 R)
• M8: 3,883,112 km (0.108 R)
• M9: 5,207,651 km (0.11 R)
• M10: 6,405,930 km (0.037 R)
• M11: 7,721,943 km (0.072 R)
• M12: 8,713,926 km (0.112 R)
• M13: 9,021,200 km (0.104 R)
• M14: 9,399,533 km (0.117 R)
• M15: 11,451,867 km (0.093 R)
• M16: 15,151,422 km (0.116 R)
• M17: 15,958,203 km (0.111 R)
• M18: 17,754,874 km (0.081 R)
• M19: 19,059,367 km (0.053 R)
• M20: 20,859,927 km (0.104 R)
• M21: 25,788,878 km (0.11 R)
• M22: 33,048,114 km (0.088 R)
• M23: 34,402,424 km (0.097 R)
• M24: 39,685,174 km (0.06 R)
• M25: 45,668,191 km (0.08 R)
• M26: 52,629,578 km (0.062 R)
• M27: 55,727,600 km (0.061 R)
• M28: 62,057,685 km (0.097 R)
• M29: 66,929,489 km (0.09 R)
• M30: 70,315,338 km (0.088 R)
• M31: 72,551,227 km (0.099 R)
• M32: 76,122,577 km (0.074 R)
• M33: 76,642,280 km (0.079 R)
• M34: 76,902,880 km (0.112 R)
• M35: 92,759,656 km (0.078 R)
• M36: 103,501,381 km (0.09 R)
• M37: 103,819,875 km (0.093 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 15,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit