🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.59 AU

Year: 249 Days

Day: 27 Hours

Environment

Temp: -128 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 11.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.66 AU - 0.94 AU

Year: 462 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,529,547 km

• M1: 146,157 km (0.113 R)
• M2: 590,164 km (0.086 R)
• M3: 1,044,941 km (0.091 R)
• M4: 1,463,965 km (0.085 R)
• M5: 1,988,455 km (0.078 R)
• M6: 2,791,795 km (0.061 R)
• M7: 3,962,100 km (0.094 R)
• M8: 5,217,675 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 12.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.4 AU - 1.42 AU

Year: 1081 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,529,547 km

• M1: 153,188 km (0.062 R)
• M2: 549,174 km (0.1 R)
• M3: 972,835 km (0.085 R)
• M4: 2,219,733 km (0.085 R)
• M5: 2,726,122 km (0.115 R)
• M6: 4,004,885 km (0.084 R)
• M7: 4,437,821 km (0.099 R)
• M8: 6,133,812 km (0.086 R)
• M9: 7,162,596 km (0.09 R)
• M10: 7,828,307 km (0.097 R)
• M11: 8,639,127 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 9.2

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.56 AU - 1.64 AU

Year: 1307 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 123.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,529,547 km

• M1: 114,442 km (0.088 R)
• M2: 403,465 km (0.049 R)
• M3: 795,861 km (0.043 R)
• M4: 1,082,939 km (0.118 R)
• M5: 1,440,927 km (0.077 R)
• M6: 1,984,266 km (0.113 R)
• M7: 2,414,210 km (0.079 R)
• M8: 2,835,328 km (0.103 R)
• M9: 3,137,965 km (0.09 R)
• M10: 4,052,756 km (0.097 R)
• M11: 4,929,250 km (0.104 R)
• M12: 5,744,409 km (0.076 R)
• M13: 6,066,493 km (0.101 R)
• M14: 6,797,578 km (0.095 R)
• M15: 7,778,640 km (0.114 R)
• M16: 8,202,302 km (0.108 R)
• M17: 9,986,855 km (0.044 R)
• M18: 10,555,626 km (0.107 R)
• M19: 11,005,018 km (0.052 R)
• M20: 11,721,292 km (0.083 R)
• M21: 13,127,961 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 11.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.19 AU - 5.23 AU

Year: 6600 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,529,547 km

• M1: 138,228 km (0.107 R)
• M2: 629,358 km (0.117 R)
• M3: 1,089,521 km (0.066 R)
• M4: 1,942,528 km (0.1 R)
• M5: 2,491,702 km (0.101 R)
• M6: 3,020,680 km (0.107 R)
• M7: 3,451,522 km (0.081 R)
• M8: 4,437,821 km (0.09 R)
• M9: 4,852,805 km (0.051 R)
• M10: 5,842,096 km (0.113 R)
• M11: 6,284,906 km (0.111 R)
• M12: 7,490,964 km (0.074 R)
• M13: 9,809,282 km (0.095 R)
• M14: 10,759,827 km (0.088 R)
• M15: 13,357,145 km (0.051 R)
• M16: 14,524,308 km (0.12 R)
• M17: 15,811,149 km (0.098 R)
• M18: 19,449,967 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 11.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.04 AU - 6.2 AU

Year: 8602 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,529,547 km

• M1: 140,921 km (0.105 R)
• M2: 748,887 km (0.102 R)
• M3: 1,210,546 km (0.09 R)
• M4: 1,927,419 km (0.12 R)
• M5: 5,299,505 km (0.119 R)
• M6: 8,930,993 km (0.108 R)
• M7: 10,613,520 km (0.031 R)
• M8: 11,645,147 km (0.08 R)
• M9: 13,803,396 km (0.091 R)
• M10: 19,025,109 km (0.057 R)
• M11: 22,001,808 km (0.103 R)
• M12: 23,304,356 km (0.041 R)
• M13: 24,200,896 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.7

Radius: 3.7

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.11 AU - 8.19 AU

Year: 13662 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,529,547 km

• M1: 46,076 km (0.088 R)
• M2: 205,248 km (0.1 R)
• M3: 372,798 km (0.114 R)
• M4: 525,837 km (0.084 R)
• M5: 1,471,445 km (0.118 R)
• M6: 1,728,753 km (0.086 R)
• M7: 1,927,868 km (0.077 R)
• M8: 2,926,284 km (0.044 R)
• M9: 5,373,256 km (0.095 R)
• M10: 7,544,221 km (0.086 R)
• M11: 8,120,771 km (0.045 R)
• M12: 10,613,071 km (0.097 R)
• M13: 11,392,775 km (0.081 R)
• M14: 14,156,895 km (0.077 R)
• M15: 14,894,712 km (0.045 R)
• M16: 15,100,409 km (0.116 R)
• M17: 15,587,500 km (0.089 R)
• M18: 16,373,936 km (0.083 R)
• M19: 21,831,266 km (0.113 R)
• M20: 22,905,379 km (0.117 R)
• M21: 25,645,713 km (0.075 R)
• M22: 28,386,346 km (0.118 R)
• M23: 29,556,799 km (0.044 R)
• M24: 29,990,184 km (0.11 R)
• M25: 30,648,265 km (0.109 R)
• M26: 31,653,413 km (0.102 R)
• M27: 33,847,117 km (0.06 R)
• M28: 33,965,299 km (0.1 R)
• M29: 35,526,802 km (0.114 R)
• M30: 35,648,873 km (0.062 R)
• M31: 36,016,735 km (0.079 R)
• M32: 37,513,611 km (0.098 R)
• M33: 39,704,472 km (0.118 R)
• M34: 39,967,614 km (0.071 R)
• M35: 40,364,647 km (0.058 R)
• M36: 42,940,274 km (0.072 R)
• M37: 46,639,380 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60

Radius: 6.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.51 AU - 8.93 AU

Year: 13850 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,529,547 km

• M1: 99,483 km (0.089 R)
• M2: 852,409 km (0.052 R)
• M3: 1,332,917 km (0.12 R)
• M4: 2,837,124 km (0.074 R)
• M5: 3,053,143 km (0.113 R)
• M6: 3,662,605 km (0.104 R)
• M7: 3,941,306 km (0.07 R)
• M8: 4,397,579 km (0.097 R)
• M9: 5,979,128 km (0.117 R)
• M10: 9,281,949 km (0.094 R)
• M11: 9,882,585 km (0.049 R)
• M12: 13,230,884 km (0.098 R)
• M13: 14,780,270 km (0.065 R)
• M14: 17,265,988 km (0.115 R)
• M15: 26,370,365 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.5

Radius: 4.9

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.36 AU - 9.52 AU

Year: 14446 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,529,547 km

• M1: 61,934 km (0.061 R)
• M2: 220,956 km (0.111 R)
• M3: 475,272 km (0.119 R)
• M4: 1,100,592 km (0.1 R)
• M5: 3,150,830 km (0.072 R)
• M6: 4,229,880 km (0.07 R)
• M7: 4,472,079 km (0.108 R)
• M8: 7,086,601 km (0.085 R)
• M9: 7,299,179 km (0.119 R)
• M10: 10,299,065 km (0.079 R)
• M11: 22,700,729 km (0.079 R)
• M12: 23,069,936 km (0.107 R)
• M13: 25,369,256 km (0.084 R)
• M14: 27,921,994 km (0.083 R)
• M15: 29,206,142 km (0.093 R)
• M16: 33,890,051 km (0.081 R)
• M17: 37,361,320 km (0.032 R)
• M18: 51,844,638 km (0.075 R)
• M19: 54,435,972 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.8

Radius: 7.2

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.32 AU - 10.4 AU

Year: 21531 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,529,547 km

• M1: 416,929 km (0.086 R)
• M2: 1,243,158 km (0.105 R)
• M3: 2,186,373 km (0.118 R)
• M4: 2,541,219 km (0.107 R)
• M5: 2,857,469 km (0.087 R)
• M6: 3,395,273 km (0.113 R)
• M7: 3,658,566 km (0.079 R)
• M8: 4,393,689 km (0.092 R)
• M9: 7,285,117 km (0.12 R)
• M10: 9,603,286 km (0.077 R)
• M11: 9,953,494 km (0.074 R)
• M12: 10,494,739 km (0.057 R)
• M13: 10,803,659 km (0.083 R)
• M14: 11,055,283 km (0.105 R)
• M15: 11,767,518 km (0.107 R)
• M16: 15,632,828 km (0.046 R)
• M17: 19,424,386 km (0.053 R)
• M18: 19,796,735 km (0.097 R)
• M19: 22,846,288 km (0.104 R)
• M20: 23,787,258 km (0.086 R)
• M21: 25,301,637 km (0.096 R)
• M22: 25,634,343 km (0.088 R)
• M23: 31,362,595 km (0.062 R)
• M24: 32,523,923 km (0.111 R)
• M25: 34,522,850 km (0.034 R)
• M26: 36,461,040 km (0.12 R)
• M27: 39,205,862 km (0.093 R)
• M28: 41,161,256 km (0.097 R)
• M29: 43,180,827 km (0.032 R)
• M30: 49,116,571 km (0.039 R)
• M31: 52,278,771 km (0.101 R)
• M32: 55,948,407 km (0.104 R)
• M33: 57,272,348 km (0.065 R)
• M34: 63,387,011 km (0.096 R)
• M35: 66,918,120 km (0.047 R)
• M36: 67,767,686 km (0.064 R)
• M37: 69,271,593 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 14,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit