🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.79 AU

Year: 238 Days

Day: 24.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 77,300,725 km

• M1: 214,075 km (0.037 R)
• M2: 589,715 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.89 AU - 1.07 AU

Year: 421 Days

Day: 15.7 Hours

Environment

Temp: -46 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,300,725 km

• M1: 34,408 km (0.081 R)
• M2: 759,359 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.03 AU - 1.27 AU

Year: 535 Days

Day: 18.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.21 AU - 1.55 AU

Year: 703 Days

Day: 12.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,300,725 km

• M1: 52,210 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.64 AU - 2.08 AU

Year: 1100 Days

Day: 44.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.69 AU - 2.25 AU

Year: 1199 Days

Day: 41.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 134.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.87 AU - 2.09 AU

Year: 1208 Days

Day: 19.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.05 AU - 3.01 AU

Year: 1744 Days

Day: 45.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,300,725 km

• M1: 137,780 km (0.101 R)
• M2: 166,652 km (0.105 R)

Asteroid Belt

Center: 3.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.1

Radius: 10.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.83 AU - 5.63 AU

Year: 5185 Days

Day: 14.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,300,725 km

• M1: 126,859 km (0.041 R)
• M2: 464,950 km (0.093 R)
• M3: 806,333 km (0.108 R)
• M4: 3,594,538 km (0.088 R)
• M5: 4,148,947 km (0.109 R)
• M6: 4,656,683 km (0.094 R)
• M7: 5,279,309 km (0.088 R)
• M8: 6,712,157 km (0.074 R)
• M9: 7,296,935 km (0.071 R)
• M10: 8,414,282 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.6

Radius: 5.4

Gravity: 32.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9.73 AU - 13.63 AU

Year: 17303 Days

Day: 18.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,300,725 km

• M1: 67,169 km (0.1 R)
• M2: 236,813 km (0.105 R)
• M3: 1,378,096 km (0.066 R)
• M4: 1,780,813 km (0.104 R)
• M5: 2,435,453 km (0.096 R)
• M6: 2,669,724 km (0.072 R)
• M7: 2,970,715 km (0.102 R)
• M8: 3,947,589 km (0.084 R)
• M9: 4,172,733 km (0.066 R)
• M10: 7,058,177 km (0.111 R)
• M11: 8,502,245 km (0.107 R)
• M12: 10,372,668 km (0.11 R)
• M13: 10,616,512 km (0.058 R)
• M14: 13,270,528 km (0.077 R)
• M15: 13,703,464 km (0.059 R)
• M16: 16,254,108 km (0.059 R)
• M17: 16,916,976 km (0.081 R)
• M18: 17,085,423 km (0.075 R)
• M19: 18,120,042 km (0.082 R)
• M20: 19,563,662 km (0.119 R)
• M21: 20,888,201 km (0.104 R)
• M22: 22,677,691 km (0.113 R)
• M23: 23,088,786 km (0.062 R)
• M24: 24,138,215 km (0.073 R)
• M25: 34,508,938 km (0.116 R)
• M26: 40,206,821 km (0.112 R)
• M27: 41,877,082 km (0.084 R)
• M28: 43,434,994 km (0.085 R)
• M29: 46,997,817 km (0.093 R)
• M30: 51,453,589 km (0.057 R)
• M31: 52,520,372 km (0.111 R)
• M32: 52,879,257 km (0.103 R)
• M33: 53,965,637 km (0.113 R)
• M34: 55,623,031 km (0.078 R)
• M35: 56,182,976 km (0.088 R)
• M36: 57,694,364 km (0.069 R)
• M37: 63,807,531 km (0.093 R)
• M38: 66,494,608 km (0.101 R)
• M39: 75,690,090 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit