🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.41 AU - 1.47 AU

Year: 616 Days

Day: 42.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.03 AU - 3.11 AU

Year: 1469 Days

Day: 43.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.24 AU - 3.72 AU

Year: 1834 Days

Day: 31 Hours

Environment

Temp: -104 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.41 AU - 4.45 AU

Year: 2777 Days

Day: 13.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.13 AU - 4.91 AU

Year: 3425 Days

Day: 24.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,525,906 km

• M1: 45,777 km (0.045 R)

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 9.7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.04 AU - 5.8 AU

Year: 4498 Days

Day: 12.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,525,906 km

• M1: 120,725 km (0.084 R)
• M2: 747,092 km (0.112 R)
• M3: 1,208,900 km (0.118 R)
• M4: 1,702,274 km (0.063 R)
• M5: 2,310,689 km (0.099 R)
• M6: 3,549,808 km (0.062 R)
• M7: 4,302,884 km (0.075 R)
• M8: 5,570,875 km (0.112 R)
• M9: 5,975,089 km (0.106 R)
• M10: 7,205,681 km (0.071 R)
• M11: 9,620,041 km (0.104 R)
• M12: 10,374,014 km (0.107 R)
• M13: 10,898,354 km (0.114 R)
• M14: 11,578,277 km (0.114 R)
• M15: 12,923,012 km (0.095 R)
• M16: 14,910,869 km (0.063 R)
• M17: 15,578,823 km (0.079 R)
• M18: 16,208,630 km (0.102 R)
• M19: 16,618,079 km (0.05 R)
• M20: 18,578,560 km (0.05 R)
• M21: 20,146,794 km (0.092 R)
• M22: 20,552,354 km (0.104 R)
• M23: 22,807,542 km (0.117 R)
• M24: 23,844,255 km (0.047 R)
• M25: 25,144,859 km (0.117 R)
• M26: 25,457,668 km (0.058 R)
• M27: 25,931,744 km (0.11 R)
• M28: 26,411,654 km (0.084 R)
• M29: 26,816,166 km (0.116 R)
• M30: 27,720,635 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 10.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.37 AU - 10.27 AU

Year: 9337 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,525,906 km

• M1: 126,859 km (0.087 R)
• M2: 481,107 km (0.098 R)
• M3: 814,112 km (0.054 R)
• M4: 2,544,361 km (0.09 R)
• M5: 2,949,771 km (0.115 R)
• M6: 3,441,050 km (0.055 R)
• M7: 4,106,910 km (0.093 R)
• M8: 4,483,897 km (0.088 R)
• M9: 5,395,247 km (0.094 R)
• M10: 6,359,705 km (0.052 R)
• M11: 6,865,944 km (0.037 R)
• M12: 8,427,147 km (0.094 R)
• M13: 10,258,076 km (0.064 R)
• M14: 12,135,529 km (0.118 R)
• M15: 13,507,790 km (0.111 R)
• M16: 17,844,782 km (0.057 R)
• M17: 21,725,351 km (0.104 R)
• M18: 26,562,897 km (0.095 R)
• M19: 30,535,917 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 13.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.77 AU - 11.81 AU

Year: 10919 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,525,906 km

• M1: 167,250 km (0.105 R)
• M2: 724,652 km (0.088 R)
• M3: 1,269,488 km (0.087 R)
• M4: 2,208,663 km (0.11 R)
• M5: 3,255,399 km (0.101 R)
• M6: 3,985,138 km (0.064 R)
• M7: 5,983,616 km (0.064 R)
• M8: 8,353,994 km (0.12 R)
• M9: 9,924,173 km (0.095 R)
• M10: 10,699,689 km (0.068 R)
• M11: 19,922,846 km (0.098 R)
• M12: 23,597,269 km (0.088 R)
• M13: 29,762,945 km (0.03 R)
• M14: 30,400,980 km (0.075 R)
• M15: 33,044,674 km (0.09 R)
• M16: 35,838,264 km (0.073 R)
• M17: 36,803,320 km (0.065 R)
• M18: 37,662,012 km (0.08 R)
• M19: 39,292,030 km (0.03 R)
• M20: 39,931,412 km (0.106 R)
• M21: 42,157,129 km (0.075 R)
• M22: 43,097,202 km (0.078 R)
• M23: 45,719,353 km (0.095 R)
• M24: 48,299,917 km (0.059 R)
• M25: 49,033,694 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 8.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.79 AU - 13.67 AU

Year: 13414 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,525,906 km

• M1: 175,179 km (0.071 R)
• M2: 513,569 km (0.102 R)
• M3: 807,081 km (0.033 R)
• M4: 3,351,441 km (0.028 R)
• M5: 6,152,063 km (0.041 R)
• M6: 7,908,491 km (0.064 R)
• M7: 8,561,785 km (0.07 R)
• M8: 10,634,763 km (0.112 R)
• M9: 15,145,288 km (0.064 R)
• M10: 16,015,200 km (0.109 R)
• M11: 21,280,447 km (0.086 R)
• M12: 22,031,578 km (0.105 R)
• M13: 39,995,589 km (0.113 R)
• M14: 43,490,345 km (0.028 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.2

Radius: 4.7

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 17.81 AU - 19.69 AU

Year: 28940 Days

Day: 15.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,525,906 km

• M1: 58,642 km (0.105 R)
• M2: 359,334 km (0.074 R)
• M3: 516,113 km (0.097 R)
• M4: 788,530 km (0.087 R)
• M5: 1,536,819 km (0.104 R)
• M6: 2,627,238 km (0.119 R)
• M7: 2,795,835 km (0.117 R)
• M8: 3,345,308 km (0.09 R)
• M9: 5,084,981 km (0.103 R)
• M10: 5,385,673 km (0.086 R)
• M11: 5,738,126 km (0.114 R)
• M12: 6,887,935 km (0.09 R)
• M13: 7,209,421 km (0.115 R)
• M14: 8,491,923 km (0.095 R)
• M15: 12,148,693 km (0.045 R)
• M16: 13,592,612 km (0.114 R)
• M17: 17,314,906 km (0.083 R)
• M18: 17,994,829 km (0.098 R)
• M19: 19,680,946 km (0.098 R)
• M20: 20,141,409 km (0.045 R)
• M21: 22,955,793 km (0.045 R)
• M22: 23,363,447 km (0.092 R)
• M23: 27,480,082 km (0.106 R)
• M24: 31,928,524 km (0.09 R)
• M25: 33,468,335 km (0.113 R)
• M26: 41,311,602 km (0.115 R)
• M27: 44,227,862 km (0.066 R)
• M28: 58,393,285 km (0.103 R)
• M29: 60,690,659 km (0.091 R)
• M30: 66,489,970 km (0.119 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 14,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit