🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.2 AU

Year: 376 Days

Day: 24.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.09 AU - 2.47 AU

Year: 1239 Days

Day: 34.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.62 AU - 3.1 AU

Year: 1741 Days

Day: 25.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 12.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.15 AU - 10.17 AU

Year: 11655 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 107,229,751 km

• M1: 156,779 km (0.061 R)
• M2: 903,870 km (0.111 R)
• M3: 1,676,543 km (0.087 R)
• M4: 2,097,362 km (0.063 R)
• M5: 3,394,824 km (0.087 R)
• M6: 3,881,018 km (0.072 R)
• M7: 5,471,542 km (0.077 R)
• M8: 6,311,235 km (0.109 R)
• M9: 6,905,438 km (0.105 R)
• M10: 7,536,741 km (0.04 R)
• M11: 8,005,281 km (0.087 R)
• M12: 10,792,738 km (0.104 R)
• M13: 11,902,755 km (0.115 R)
• M14: 14,113,811 km (0.052 R)
• M15: 14,527,300 km (0.09 R)
• M16: 15,009,603 km (0.102 R)
• M17: 19,118,907 km (0.074 R)
• M18: 20,514,805 km (0.108 R)
• M19: 24,938,414 km (0.097 R)
• M20: 27,601,106 km (0.033 R)
• M21: 35,293,130 km (0.096 R)
• M22: 37,502,391 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 3.8

Gravity: 57.88 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.89 AU - 14.15 AU

Year: 16908 Days

Day: 20.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 107,229,751 km

• M1: 49,816 km (0.072 R)
• M2: 179,218 km (0.086 R)
• M3: 729,738 km (0.1 R)
• M4: 1,076,805 km (0.102 R)
• M5: 1,624,932 km (0.115 R)
• M6: 2,978,793 km (0.115 R)
• M7: 3,522,132 km (0.102 R)
• M8: 3,817,289 km (0.09 R)
• M9: 4,837,546 km (0.112 R)
• M10: 7,734,958 km (0.088 R)
• M11: 8,182,256 km (0.086 R)
• M12: 9,403,273 km (0.043 R)
• M13: 10,679,942 km (0.047 R)
• M14: 12,067,911 km (0.067 R)
• M15: 14,002,660 km (0.116 R)
• M16: 15,196,002 km (0.048 R)
• M17: 16,536,549 km (0.108 R)
• M18: 18,472,943 km (0.084 R)
• M19: 18,648,123 km (0.08 R)
• M20: 19,905,792 km (0.091 R)
• M21: 20,089,947 km (0.088 R)
• M22: 23,808,651 km (0.093 R)
• M23: 24,645,950 km (0.052 R)
• M24: 25,286,678 km (0.094 R)
• M25: 26,048,131 km (0.064 R)
• M26: 30,940,729 km (0.084 R)
• M27: 31,937,201 km (0.12 R)
• M28: 34,389,259 km (0.067 R)
• M29: 39,955,796 km (0.105 R)
• M30: 40,543,417 km (0.088 R)
• M31: 64,722,621 km (0.08 R)
• M32: 65,940,348 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.4

Radius: 6.8

Gravity: 15.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 14.24 AU - 18.27 AU

Year: 23575 Days

Day: 20.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 107,229,751 km

• M1: 88,263 km (0.058 R)
• M2: 338,690 km (0.101 R)
• M3: 1,378,096 km (0.118 R)
• M4: 2,117,259 km (0.084 R)
• M5: 2,985,674 km (0.106 R)
• M6: 3,322,120 km (0.095 R)
• M7: 3,939,361 km (0.112 R)
• M8: 5,004,797 km (0.092 R)
• M9: 6,073,374 km (0.119 R)
• M10: 8,821,188 km (0.059 R)
• M11: 9,754,529 km (0.072 R)
• M12: 11,275,341 km (0.112 R)
• M13: 13,540,402 km (0.081 R)
• M14: 18,296,119 km (0.108 R)
• M15: 19,231,405 km (0.113 R)
• M16: 20,894,035 km (0.104 R)
• M17: 21,605,672 km (0.109 R)
• M18: 22,019,610 km (0.106 R)
• M19: 24,390,886 km (0.069 R)
• M20: 26,689,756 km (0.089 R)
• M21: 28,754,057 km (0.045 R)
• M22: 31,184,723 km (0.072 R)
• M23: 36,742,733 km (0.084 R)
• M24: 37,480,699 km (0.102 R)
• M25: 41,797,645 km (0.091 R)
• M26: 50,672,389 km (0.076 R)
• M27: 52,325,894 km (0.119 R)
• M28: 70,203,588 km (0.09 R)
• M29: 74,349,693 km (0.108 R)
• M30: 76,005,293 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.2

Radius: 6.1

Gravity: 21.26 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 15.71 AU - 23.41 AU

Year: 31133 Days

Day: 24.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 107,229,751 km

• M1: 75,996 km (0.099 R)
• M2: 305,928 km (0.112 R)
• M3: 531,372 km (0.103 R)
• M4: 1,730,099 km (0.116 R)
• M5: 2,115,463 km (0.106 R)
• M6: 2,582,508 km (0.095 R)
• M7: 3,146,043 km (0.059 R)
• M8: 3,457,057 km (0.048 R)
• M9: 4,068,314 km (0.106 R)
• M10: 5,201,219 km (0.036 R)
• M11: 6,286,551 km (0.104 R)
• M12: 7,515,199 km (0.082 R)
• M13: 8,536,055 km (0.112 R)
• M14: 9,203,710 km (0.086 R)
• M15: 10,437,892 km (0.106 R)
• M16: 10,711,208 km (0.119 R)
• M17: 15,142,596 km (0.079 R)
• M18: 17,517,462 km (0.039 R)
• M19: 18,295,371 km (0.039 R)
• M20: 18,793,233 km (0.084 R)
• M21: 20,767,326 km (0.118 R)
• M22: 20,982,897 km (0.101 R)
• M23: 33,177,367 km (0.108 R)
• M24: 35,583,798 km (0.104 R)
• M25: 36,672,422 km (0.08 R)
• M26: 39,079,302 km (0.083 R)
• M27: 39,407,969 km (0.112 R)
• M28: 47,113,905 km (0.051 R)
• M29: 49,185,985 km (0.071 R)
• M30: 50,341,479 km (0.051 R)
• M31: 54,528,274 km (0.067 R)
• M32: 55,558,106 km (0.05 R)
• M33: 56,601,102 km (0.112 R)
• M34: 57,656,964 km (0.12 R)
• M35: 75,616,039 km (0.032 R)
• M36: 85,158,438 km (0.034 R)
• M37: 91,657,119 km (0.039 R)
• M38: 103,418,354 km (0.096 R)
• M39: 105,630,458 km (0.032 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 13,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit