🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.51 AU - 0.79 AU

Year: 196 Days

Day: 15 Hours

Environment

Temp: 171 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.79 AU - 1.19 AU

Year: 369 Days

Day: 36.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,790,794 km

• M1: 430,991 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.87 AU - 1.33 AU

Year: 432 Days

Day: 25.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.53 AU

Year: 601 Days

Day: 26.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,790,794 km

• M1: 1,215,483 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.71 AU - 1.99 AU

Year: 943 Days

Day: 22.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.38 AU - 2.9 AU

Year: 1607 Days

Day: 32.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.86 AU - 2.88 AU

Year: 1822 Days

Day: 39.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,790,794 km

• M1: 53,107 km (0.111 R)
• M2: 1,663,528 km (0.091 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.54 AU - 4.2 AU

Year: 2318 Days

Day: 14.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 13.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.8 AU - 9.74 AU

Year: 8912 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 40,790,794 km

• M1: 171,589 km (0.091 R)
• M2: 300,393 km (0.025 R)
• M3: 400,473 km (0.118 R)
• M4: 691,890 km (0.073 R)
• M5: 794,963 km (0.044 R)
• M6: 1,121,834 km (0.032 R)
• M7: 1,228,348 km (0.116 R)
• M8: 1,549,984 km (0.102 R)
• M9: 1,793,678 km (0.11 R)
• M10: 2,205,372 km (0.114 R)
• M11: 2,695,006 km (0.092 R)
• M12: 2,990,162 km (0.083 R)
• M13: 3,244,329 km (0.06 R)
• M14: 4,189,488 km (0.111 R)
• M15: 4,561,389 km (0.11 R)
• M16: 5,004,049 km (0.066 R)
• M17: 5,709,552 km (0.102 R)
• M18: 5,962,373 km (0.092 R)
• M19: 6,186,620 km (0.112 R)
• M20: 6,544,757 km (0.075 R)
• M21: 6,643,641 km (0.112 R)
• M22: 10,214,393 km (0.064 R)
• M23: 10,599,308 km (0.106 R)
• M24: 11,146,238 km (0.11 R)
• M25: 12,349,005 km (0.114 R)
• M26: 12,512,516 km (0.08 R)
• M27: 13,173,738 km (0.097 R)
• M28: 13,466,651 km (0.064 R)
• M29: 13,846,480 km (0.028 R)
• M30: 14,832,928 km (0.086 R)
• M31: 15,050,443 km (0.073 R)
• M32: 15,400,502 km (0.067 R)
• M33: 15,576,729 km (0.07 R)
• M34: 15,975,407 km (0.089 R)
• M35: 16,512,164 km (0.03 R)
• M36: 16,873,293 km (0.098 R)
• M37: 16,964,099 km (0.026 R)
• M38: 18,251,090 km (0.105 R)
• M39: 18,437,489 km (0.06 R)
• M40: 18,812,231 km (0.114 R)
• M41: 19,379,058 km (0.111 R)
• M42: 20,191,823 km (0.103 R)
• M43: 21,505,292 km (0.112 R)
• M44: 21,850,415 km (0.034 R)
• M45: 22,197,332 km (0.092 R)
• M46: 23,198,591 km (0.097 R)
• M47: 23,299,569 km (0.115 R)
• M48: 24,522,233 km (0.055 R)
• M49: 24,985,986 km (0.082 R)
• M50: 25,297,000 km (0.052 R)
• M51: 26,027,337 km (0.037 R)
• M52: 26,237,223 km (0.097 R)
• M53: 26,976,535 km (0.06 R)
• M54: 27,295,478 km (0.07 R)
• M55: 28,421,651 km (0.076 R)
• M56: 28,529,660 km (0.056 R)
• M57: 29,344,370 km (0.071 R)
• M58: 30,001,554 km (0.063 R)
• M59: 30,497,770 km (0.028 R)
• M60: 31,722,079 km (0.119 R)
• M61: 31,890,227 km (0.092 R)
• M62: 32,227,420 km (0.096 R)
• M63: 33,019,092 km (0.114 R)
• M64: 33,702,605 km (0.09 R)
• M65: 34,333,310 km (0.112 R)
• M66: 34,968,053 km (0.044 R)
• M67: 35,781,417 km (0.06 R)
• M68: 36,073,283 km (0.098 R)
• M69: 37,190,180 km (0.06 R)
• M70: 37,485,935 km (0.11 R)
• M71: 38,079,839 km (0.055 R)
• M72: 38,198,919 km (0.034 R)
• M73: 38,497,366 km (0.112 R)
• M74: 39,517,923 km (0.119 R)
• M75: 39,880,249 km (0.104 R)
• M76: 40,304,359 km (0.113 R)
• M77: 40,668,929 km (0.084 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: 321 - 12,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit