🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.75 AU - 1.21 AU

Year: 365 Days

Day: 45.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,354,684 km

• M1: 165,156 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.92 AU - 1.26 AU

Year: 429 Days

Day: 17 Hours

Environment

Temp: -8 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 42,354,684 km

• M1: 127,757 km (0.119 R)
• M2: 244,144 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.95 AU - 1.33 AU

Year: 459 Days

Day: 23.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.08 AU - 3.32 AU

Year: 1671 Days

Day: 41.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,354,684 km

• M1: 461,509 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.58 AU - 2.84 AU

Year: 1681 Days

Day: 18.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,354,684 km

• M1: 1,618,649 km (0.048 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.93 AU - 2.93 AU

Year: 1889 Days

Day: 35.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 108.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.64 AU - 4.18 AU

Year: 2372 Days

Day: 33.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,354,684 km

• M1: 1,737,878 km (0.069 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 13.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.91 AU - 7.13 AU

Year: 5564 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 42,354,684 km

• M1: 444,006 km (0.075 R)
• M2: 545,135 km (0.109 R)
• M3: 756,367 km (0.081 R)
• M4: 1,837,660 km (0.09 R)
• M5: 2,231,551 km (0.112 R)
• M6: 2,503,670 km (0.069 R)
• M7: 2,619,010 km (0.096 R)
• M8: 2,736,145 km (0.095 R)
• M9: 2,941,094 km (0.118 R)
• M10: 3,045,513 km (0.075 R)
• M11: 4,099,730 km (0.117 R)
• M12: 4,275,956 km (0.116 R)
• M13: 4,737,914 km (0.11 R)
• M14: 4,985,499 km (0.055 R)
• M15: 5,731,693 km (0.084 R)
• M16: 5,819,208 km (0.11 R)
• M17: 6,017,874 km (0.069 R)
• M18: 6,151,464 km (0.063 R)
• M19: 6,286,252 km (0.086 R)
• M20: 6,399,199 km (0.103 R)
• M21: 6,974,402 km (0.12 R)
• M22: 7,256,544 km (0.071 R)
• M23: 8,748,035 km (0.119 R)
• M24: 9,360,339 km (0.115 R)
• M25: 9,567,532 km (0.062 R)
• M26: 10,278,271 km (0.089 R)
• M27: 10,599,608 km (0.119 R)
• M28: 10,734,545 km (0.117 R)
• M29: 11,060,519 km (0.108 R)
• M30: 11,279,829 km (0.045 R)
• M31: 11,417,609 km (0.044 R)
• M32: 11,862,064 km (0.11 R)
• M33: 12,030,362 km (0.078 R)
• M34: 12,397,475 km (0.101 R)
• M35: 12,596,739 km (0.114 R)
• M36: 12,911,942 km (0.101 R)
• M37: 13,171,793 km (0.119 R)
• M38: 14,169,162 km (0.114 R)
• M39: 14,557,070 km (0.118 R)
• M40: 14,646,978 km (0.047 R)
• M41: 16,019,090 km (0.076 R)
• M42: 16,925,054 km (0.084 R)
• M43: 17,336,598 km (0.118 R)
• M44: 18,105,082 km (0.094 R)
• M45: 18,266,648 km (0.101 R)
• M46: 18,623,589 km (0.1 R)
• M47: 18,721,426 km (0.096 R)
• M48: 19,081,358 km (0.117 R)
• M49: 20,007,818 km (0.082 R)
• M50: 20,275,299 km (0.072 R)
• M51: 21,016,855 km (0.1 R)
• M52: 21,186,649 km (0.069 R)
• M53: 21,630,207 km (0.056 R)
• M54: 22,630,867 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 13.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.84 AU - 9.32 AU

Year: 7862 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 42,354,684 km

• M1: 342,280 km (0.119 R)
• M2: 694,882 km (0.116 R)
• M3: 816,655 km (0.117 R)
• M4: 980,464 km (0.106 R)
• M5: 1,229,395 km (0.103 R)
• M6: 1,853,817 km (0.093 R)
• M7: 2,591,933 km (0.081 R)
• M8: 2,967,423 km (0.071 R)
• M9: 3,227,574 km (0.12 R)
• M10: 4,371,250 km (0.077 R)
• M11: 5,063,888 km (0.06 R)
• M12: 5,250,287 km (0.102 R)
• M13: 5,823,247 km (0.098 R)
• M14: 5,986,009 km (0.11 R)
• M15: 7,132,527 km (0.107 R)
• M16: 7,306,809 km (0.086 R)
• M17: 7,553,196 km (0.091 R)
• M18: 8,901,223 km (0.083 R)
• M19: 9,051,419 km (0.081 R)
• M20: 9,354,355 km (0.108 R)
• M21: 9,853,713 km (0.112 R)
• M22: 10,204,669 km (0.082 R)
• M23: 11,119,909 km (0.098 R)
• M24: 11,363,005 km (0.082 R)
• M25: 11,978,601 km (0.062 R)
• M26: 12,647,154 km (0.072 R)
• M27: 12,731,676 km (0.115 R)
• M28: 13,028,628 km (0.09 R)
• M29: 13,327,973 km (0.091 R)
• M30: 13,413,843 km (0.038 R)
• M31: 13,586,329 km (0.082 R)
• M32: 14,459,532 km (0.099 R)
• M33: 15,216,048 km (0.053 R)
• M34: 16,122,462 km (0.095 R)
• M35: 16,397,871 km (0.116 R)
• M36: 16,628,551 km (0.111 R)
• M37: 17,609,165 km (0.093 R)
• M38: 18,178,086 km (0.088 R)
• M39: 18,416,844 km (0.059 R)
• M40: 18,704,671 km (0.106 R)
• M41: 18,897,502 km (0.114 R)
• M42: 18,994,142 km (0.034 R)
• M43: 19,285,110 km (0.096 R)
• M44: 19,431,118 km (0.094 R)
• M45: 19,577,425 km (0.074 R)
• M46: 19,920,452 km (0.114 R)
• M47: 20,513,010 km (0.103 R)
• M48: 21,011,320 km (0.12 R)
• M49: 21,161,666 km (0.12 R)
• M50: 21,766,341 km (0.039 R)
• M51: 23,095,966 km (0.099 R)
• M52: 24,136,569 km (0.108 R)
• M53: 24,504,430 km (0.083 R)
• M54: 24,662,555 km (0.105 R)
• M55: 26,425,267 km (0.073 R)
• M56: 27,076,317 km (0.065 R)
• M57: 28,394,274 km (0.115 R)
• M58: 28,671,479 km (0.097 R)
• M59: 28,949,582 km (0.099 R)
• M60: 29,116,982 km (0.086 R)
• M61: 29,340,481 km (0.095 R)
• M62: 29,508,479 km (0.094 R)
• M63: 29,789,274 km (0.096 R)
• M64: 29,958,170 km (0.108 R)
• M65: 30,353,558 km (0.087 R)
• M66: 31,952,310 km (0.091 R)
• M67: 32,298,330 km (0.087 R)
• M68: 32,529,907 km (0.066 R)
• M69: 32,703,740 km (0.108 R)
• M70: 32,936,215 km (0.065 R)
• M71: 33,754,067 km (0.066 R)
• M72: 34,224,253 km (0.117 R)
• M73: 34,519,409 km (0.078 R)
• M74: 34,815,314 km (0.073 R)
• M75: 35,111,967 km (0.102 R)
• M76: 35,947,321 km (0.112 R)
• M77: 36,067,299 km (0.096 R)
• M78: 38,492,579 km (0.061 R)
• M79: 39,601,100 km (0.104 R)
• M80: 39,724,817 km (0.041 R)
• M81: 41,346,159 km (0.055 R)
• M82: 41,660,464 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 18,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit