🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.82 AU - 0.84 AU

Year: 283 Days

Day: 33.3 Hours

Environment

Temp: 84 °C

Axial Tilt: 21 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.22 AU - 1.48 AU

Year: 588 Days

Day: 43.1 Hours

Environment

Temp: -25 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.13 AU - 3.01 AU

Year: 1544 Days

Day: 17.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.2 AU - 3.04 AU

Year: 1589 Days

Day: 27.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.21 AU - 3.29 AU

Year: 2196 Days

Day: 40.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,286,646 km

• M1: 93,648 km (0.102 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 13.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.06 AU - 6.72 AU

Year: 4689 Days

Day: 11.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,286,646 km

• M1: 178,021 km (0.065 R)
• M2: 941,120 km (0.072 R)
• M3: 1,431,502 km (0.047 R)
• M4: 1,925,773 km (0.07 R)
• M5: 5,803,051 km (0.115 R)
• M6: 6,628,532 km (0.117 R)
• M7: 8,546,526 km (0.074 R)
• M8: 11,124,546 km (0.106 R)
• M9: 11,977,404 km (0.091 R)
• M10: 13,226,397 km (0.083 R)
• M11: 14,371,269 km (0.067 R)
• M12: 18,873,866 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.7

Radius: 11.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.49 AU - 9.65 AU

Year: 10236 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,286,646 km

• M1: 144,960 km (0.079 R)
• M2: 556,055 km (0.089 R)
• M3: 934,388 km (0.116 R)
• M4: 1,800,111 km (0.051 R)
• M5: 2,776,088 km (0.045 R)
• M6: 3,248,219 km (0.055 R)
• M7: 3,670,982 km (0.081 R)
• M8: 5,317,456 km (0.041 R)
• M9: 6,097,908 km (0.065 R)
• M10: 9,216,426 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 10.2

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.32 AU - 11.2 AU

Year: 11426 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,286,646 km

• M1: 126,859 km (0.06 R)
• M2: 631,453 km (0.099 R)
• M3: 1,269,338 km (0.059 R)
• M4: 2,204,624 km (0.076 R)
• M5: 2,630,529 km (0.07 R)
• M6: 3,446,885 km (0.096 R)
• M7: 5,171,299 km (0.084 R)
• M8: 5,928,414 km (0.096 R)
• M9: 6,876,715 km (0.083 R)
• M10: 11,192,763 km (0.029 R)
• M11: 13,372,554 km (0.097 R)
• M12: 14,201,625 km (0.097 R)
• M13: 16,603,718 km (0.118 R)
• M14: 19,505,169 km (0.071 R)
• M15: 21,331,160 km (0.034 R)
• M16: 22,022,602 km (0.095 R)
• M17: 29,038,143 km (0.045 R)
• M18: 32,195,407 km (0.095 R)
• M19: 37,536,649 km (0.104 R)
• M20: 41,009,414 km (0.049 R)
• M21: 41,809,314 km (0.095 R)
• M22: 42,483,851 km (0.108 R)
• M23: 43,028,536 km (0.118 R)
• M24: 43,440,230 km (0.086 R)
• M25: 45,537,891 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.2

Radius: 3.3

Gravity: 33.17 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 14.06 AU - 19.74 AU

Year: 26035 Days

Day: 16.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,286,646 km

• M1: 56,847 km (0.109 R)
• M2: 187,596 km (0.111 R)
• M3: 319,092 km (0.117 R)
• M4: 447,148 km (0.078 R)
• M5: 559,496 km (0.038 R)
• M6: 729,140 km (0.065 R)
• M7: 1,227,151 km (0.084 R)
• M8: 2,352,277 km (0.057 R)
• M9: 2,794,787 km (0.105 R)
• M10: 3,022,625 km (0.106 R)
• M11: 6,323,053 km (0.12 R)
• M12: 6,849,937 km (0.114 R)
• M13: 9,307,082 km (0.082 R)
• M14: 9,530,282 km (0.026 R)
• M15: 10,761,472 km (0.079 R)
• M16: 11,703,191 km (0.119 R)
• M17: 12,973,127 km (0.091 R)
• M18: 14,184,870 km (0.106 R)
• M19: 16,100,620 km (0.093 R)
• M20: 17,582,088 km (0.086 R)
• M21: 21,678,377 km (0.096 R)
• M22: 25,706,449 km (0.085 R)
• M23: 26,478,674 km (0.05 R)
• M24: 29,005,830 km (0.057 R)
• M25: 32,321,218 km (0.113 R)
• M26: 32,576,432 km (0.119 R)
• M27: 37,122,412 km (0.093 R)
• M28: 43,920,738 km (0.107 R)
• M29: 44,390,924 km (0.101 R)
• M30: 52,904,838 km (0.083 R)
• M31: 55,784,448 km (0.118 R)
• M32: 56,520,320 km (0.052 R)
• M33: 57,076,524 km (0.055 R)
• M34: 59,146,959 km (0.075 R)
• M35: 59,912,002 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 12,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit