🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.85 AU - 3.13 AU

Year: 1969 Days

Day: 41.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 14.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.44 AU - 5 AU

Year: 3301 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,204,668 km

• M1: 182,659 km (0.071 R)
• M2: 873,652 km (0.089 R)
• M3: 2,043,507 km (0.12 R)
• M4: 2,596,271 km (0.085 R)
• M5: 3,141,854 km (0.103 R)
• M6: 3,803,975 km (0.102 R)
• M7: 5,231,886 km (0.075 R)
• M8: 5,834,317 km (0.075 R)
• M9: 6,395,608 km (0.091 R)
• M10: 7,054,587 km (0.12 R)
• M11: 7,594,635 km (0.069 R)
• M12: 9,084,929 km (0.059 R)
• M13: 11,610,141 km (0.105 R)
• M14: 13,105,073 km (0.027 R)
• M15: 14,420,936 km (0.07 R)
• M16: 16,146,846 km (0.118 R)
• M17: 16,863,420 km (0.107 R)
• M18: 17,600,937 km (0.096 R)
• M19: 21,815,259 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 8.3

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.78 AU - 5.04 AU

Year: 3527 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,204,668 km

• M1: 103,223 km (0.101 R)
• M2: 524,640 km (0.093 R)
• M3: 1,382,135 km (0.118 R)
• M4: 1,702,274 km (0.066 R)
• M5: 2,071,931 km (0.106 R)
• M6: 2,405,534 km (0.098 R)
• M7: 3,007,665 km (0.112 R)
• M8: 3,647,495 km (0.101 R)
• M9: 3,907,197 km (0.11 R)
• M10: 4,309,167 km (0.114 R)
• M11: 4,927,754 km (0.087 R)
• M12: 5,682,924 km (0.106 R)
• M13: 7,453,415 km (0.04 R)
• M14: 8,006,029 km (0.08 R)
• M15: 9,229,740 km (0.118 R)
• M16: 11,482,385 km (0.071 R)
• M17: 12,895,935 km (0.101 R)
• M18: 13,501,956 km (0.096 R)
• M19: 16,439,908 km (0.051 R)
• M20: 16,875,986 km (0.113 R)
• M21: 18,115,255 km (0.085 R)
• M22: 18,521,862 km (0.067 R)
• M23: 18,875,362 km (0.029 R)
• M24: 20,584,667 km (0.044 R)
• M25: 20,963,898 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.1

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.95 AU - 5.41 AU

Year: 3855 Days

Day: 11.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,204,668 km

• M1: 170,242 km (0.098 R)
• M2: 1,114,504 km (0.039 R)
• M3: 2,178,295 km (0.073 R)
• M4: 2,985,674 km (0.09 R)
• M5: 3,434,767 km (0.11 R)
• M6: 4,213,274 km (0.031 R)
• M7: 5,040,551 km (0.041 R)
• M8: 6,560,465 km (0.083 R)
• M9: 8,778,253 km (0.031 R)
• M10: 9,202,663 km (0.12 R)
• M11: 13,622,681 km (0.102 R)
• M12: 14,962,629 km (0.07 R)
• M13: 15,999,941 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 8.2

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.31 AU - 5.43 AU

Year: 4093 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,204,668 km

• M1: 102,026 km (0.069 R)
• M2: 390,002 km (0.043 R)
• M3: 686,505 km (0.065 R)
• M4: 1,073,963 km (0.051 R)
• M5: 1,431,652 km (0.073 R)
• M6: 1,738,327 km (0.066 R)
• M7: 2,088,835 km (0.057 R)
• M8: 2,568,147 km (0.11 R)
• M9: 3,660,959 km (0.079 R)
• M10: 4,078,786 km (0.09 R)
• M11: 4,854,301 km (0.093 R)
• M12: 5,250,137 km (0.077 R)
• M13: 5,898,794 km (0.12 R)
• M14: 6,631,524 km (0.066 R)
• M15: 7,736,155 km (0.091 R)
• M16: 8,388,102 km (0.106 R)
• M17: 9,076,252 km (0.103 R)
• M18: 9,555,414 km (0.093 R)
• M19: 13,755,823 km (0.054 R)
• M20: 14,388,323 km (0.099 R)
• M21: 14,930,167 km (0.086 R)
• M22: 16,874,341 km (0.087 R)
• M23: 18,661,138 km (0.056 R)
• M24: 21,119,479 km (0.099 R)
• M25: 22,318,207 km (0.071 R)
• M26: 26,587,581 km (0.07 R)
• M27: 27,321,059 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 13

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.14 AU - 10.28 AU

Year: 12423 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 168.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,204,668 km

• M1: 166,502 km (0.077 R)
• M2: 795,412 km (0.102 R)
• M3: 1,453,194 km (0.117 R)
• M4: 2,210,159 km (0.056 R)
• M5: 2,740,035 km (0.111 R)
• M6: 3,537,242 km (0.101 R)
• M7: 5,177,283 km (0.119 R)
• M8: 7,142,251 km (0.119 R)
• M9: 7,980,448 km (0.112 R)
• M10: 8,423,557 km (0.067 R)
• M11: 9,978,926 km (0.092 R)
• M12: 11,345,951 km (0.113 R)
• M13: 12,536,601 km (0.092 R)
• M14: 13,495,822 km (0.083 R)
• M15: 17,089,612 km (0.1 R)
• M16: 18,205,313 km (0.096 R)
• M17: 22,060,001 km (0.086 R)
• M18: 23,382,446 km (0.096 R)
• M19: 24,216,155 km (0.111 R)
• M20: 26,184,714 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.6

Radius: 4

Gravity: 36.91 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 11.3 AU - 14.04 AU

Year: 17174 Days

Day: 20.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,204,668 km

• M1: 49,816 km (0.089 R)
• M2: 193,430 km (0.082 R)
• M3: 365,318 km (0.065 R)
• M4: 1,133,802 km (0.09 R)
• M5: 2,212,104 km (0.112 R)
• M6: 2,664,787 km (0.117 R)
• M7: 2,949,920 km (0.061 R)
• M8: 4,296,750 km (0.096 R)
• M9: 4,424,806 km (0.068 R)
• M10: 5,320,448 km (0.103 R)
• M11: 5,733,338 km (0.042 R)
• M12: 5,888,621 km (0.041 R)
• M13: 7,461,942 km (0.103 R)
• M14: 7,600,619 km (0.077 R)
• M15: 8,027,123 km (0.041 R)
• M16: 8,221,600 km (0.097 R)
• M17: 8,927,403 km (0.108 R)
• M18: 15,108,637 km (0.066 R)
• M19: 15,405,290 km (0.113 R)
• M20: 18,505,107 km (0.038 R)
• M21: 26,326,981 km (0.087 R)
• M22: 28,297,036 km (0.101 R)
• M23: 31,432,906 km (0.089 R)
• M24: 36,492,456 km (0.08 R)
• M25: 42,951,045 km (0.03 R)
• M26: 43,247,996 km (0.064 R)
• M27: 44,600,960 km (0.111 R)
• M28: 47,867,130 km (0.107 R)
• M29: 50,130,994 km (0.084 R)
• M30: 50,295,403 km (0.06 R)
• M31: 55,747,347 km (0.104 R)
• M32: 57,708,725 km (0.076 R)
• M33: 58,433,227 km (0.111 R)
• M34: 59,531,425 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 5.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 14.64 AU - 19.28 AU

Year: 26597 Days

Day: 21.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,204,668 km

• M1: 74,799 km (0.049 R)
• M2: 405,410 km (0.104 R)
• M3: 5,060,447 km (0.101 R)
• M4: 20,531,859 km (0.095 R)
• M5: 21,969,794 km (0.11 R)
• M6: 23,049,142 km (0.06 R)
• M7: 35,403,084 km (0.119 R)
• M8: 37,000,041 km (0.096 R)
• M9: 38,525,491 km (0.102 R)
• M10: 42,204,701 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 17,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit