🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.82 AU - 1.08 AU

Year: 328 Days

Day: 40.9 Hours

Environment

Temp: 102 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,157,849 km

• M1: 527,033 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.26 AU - 1.6 AU

Year: 607 Days

Day: 22.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.39 AU - 2.47 AU

Year: 1344 Days

Day: 26.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.1

Radius: 4.1

Gravity: 33.85 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.38 AU - 16.26 AU

Year: 22323 Days

Day: 21.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 98,157,849 km

• M1: 51,013 km (0.1 R)
• M2: 180,565 km (0.118 R)
• M3: 348,713 km (0.11 R)
• M4: 675,584 km (0.07 R)
• M5: 1,011,431 km (0.112 R)
• M6: 1,966,015 km (0.103 R)
• M7: 2,642,946 km (0.12 R)
• M8: 3,020,979 km (0.065 R)
• M9: 5,628,171 km (0.09 R)
• M10: 5,790,186 km (0.076 R)
• M11: 6,602,951 km (0.068 R)
• M12: 7,153,770 km (0.092 R)
• M13: 7,884,556 km (0.119 R)
• M14: 8,934,733 km (0.09 R)
• M15: 15,057,923 km (0.039 R)
• M16: 17,509,234 km (0.118 R)
• M17: 24,556,939 km (0.049 R)
• M18: 24,772,809 km (0.053 R)
• M19: 25,760,155 km (0.08 R)
• M20: 25,983,056 km (0.104 R)
• M21: 26,319,801 km (0.098 R)
• M22: 26,887,524 km (0.051 R)
• M23: 28,283,422 km (0.115 R)
• M24: 28,759,293 km (0.052 R)
• M25: 34,756,223 km (0.078 R)
• M26: 35,302,106 km (0.081 R)
• M27: 37,685,648 km (0.113 R)
• M28: 37,973,026 km (0.118 R)
• M29: 40,624,648 km (0.085 R)
• M30: 44,188,967 km (0.099 R)
• M31: 44,508,508 km (0.049 R)
• M32: 45,476,107 km (0.05 R)
• M33: 45,801,632 km (0.095 R)
• M34: 45,965,143 km (0.082 R)
• M35: 46,128,803 km (0.051 R)
• M36: 49,831,350 km (0.118 R)
• M37: 74,004,870 km (0.051 R)
• M38: 74,229,865 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.6

Radius: 3.2

Gravity: 66.76 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 15.66 AU - 22.3 AU

Year: 29335 Days

Day: 23.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 98,157,849 km

• M1: 43,383 km (0.091 R)
• M2: 181,313 km (0.075 R)
• M3: 303,235 km (0.083 R)
• M4: 449,242 km (0.07 R)
• M5: 631,303 km (0.118 R)
• M6: 910,004 km (0.101 R)
• M7: 1,070,373 km (0.06 R)
• M8: 1,233,584 km (0.072 R)
• M9: 1,685,968 km (0.06 R)
• M10: 2,287,351 km (0.098 R)
• M11: 2,636,363 km (0.118 R)
• M12: 3,194,962 km (0.098 R)
• M13: 4,392,493 km (0.103 R)
• M14: 4,929,549 km (0.03 R)
• M15: 5,172,646 km (0.117 R)
• M16: 5,297,261 km (0.067 R)
• M17: 6,703,780 km (0.059 R)
• M18: 8,060,632 km (0.087 R)
• M19: 15,662,149 km (0.104 R)
• M20: 17,642,825 km (0.082 R)
• M21: 18,498,973 km (0.05 R)
• M22: 20,293,849 km (0.076 R)
• M23: 26,614,060 km (0.086 R)
• M24: 27,360,254 km (0.099 R)
• M25: 27,992,604 km (0.058 R)
• M26: 30,755,377 km (0.1 R)
• M27: 35,157,295 km (0.088 R)
• M28: 36,509,809 km (0.056 R)
• M29: 42,434,782 km (0.092 R)
• M30: 48,415,855 km (0.039 R)
• M31: 52,377,057 km (0.108 R)
• M32: 57,987,276 km (0.063 R)
• M33: 60,084,190 km (0.117 R)
• M34: 63,984,804 km (0.111 R)
• M35: 80,499,063 km (0.118 R)
• M36: 81,275,326 km (0.089 R)
• M37: 86,306,901 km (0.085 R)
• M38: 86,848,296 km (0.112 R)
• M39: 96,985,197 km (0.053 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 19,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit