🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 14.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.16 AU - 1.36 AU

Year: 928 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,238,902 km

• M1: 184,155 km (0.098 R)
• M2: 749,336 km (0.088 R)
• M3: 1,322,445 km (0.109 R)
• M4: 2,326,845 km (0.114 R)
• M5: 2,804,810 km (0.095 R)
• M6: 3,932,928 km (0.102 R)
• M7: 4,991,183 km (0.058 R)
• M8: 5,817,412 km (0.099 R)
• M9: 6,468,462 km (0.119 R)
• M10: 7,992,416 km (0.091 R)
• M11: 8,798,748 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 10

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.41 AU - 3.65 AU

Year: 4351 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,238,902 km

• M1: 124,316 km (0.071 R)
• M2: 550,071 km (0.099 R)
• M3: 1,198,877 km (0.047 R)
• M4: 2,834,580 km (0.098 R)
• M5: 3,785,425 km (0.087 R)
• M6: 4,201,905 km (0.062 R)
• M7: 4,568,869 km (0.097 R)
• M8: 5,615,455 km (0.086 R)
• M9: 7,628,594 km (0.077 R)
• M10: 8,937,725 km (0.079 R)
• M11: 10,956,698 km (0.033 R)
• M12: 13,385,868 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.35 AU - 4.51 AU

Year: 6117 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,238,902 km

• M1: 164,558 km (0.103 R)
• M2: 1,301,651 km (0.036 R)
• M3: 2,585,650 km (0.09 R)
• M4: 3,021,877 km (0.067 R)
• M5: 5,884,881 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 12.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.27 AU - 5.41 AU

Year: 6985 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,238,902 km

• M1: 156,779 km (0.091 R)
• M2: 564,134 km (0.077 R)
• M3: 1,025,344 km (0.081 R)
• M4: 1,442,572 km (0.1 R)
• M5: 2,033,035 km (0.071 R)
• M6: 2,485,120 km (0.105 R)
• M7: 2,985,226 km (0.091 R)
• M8: 3,931,133 km (0.11 R)
• M9: 4,361,825 km (0.099 R)
• M10: 5,150,355 km (0.086 R)
• M11: 6,607,140 km (0.108 R)
• M12: 7,254,150 km (0.095 R)
• M13: 8,169,390 km (0.118 R)
• M14: 8,915,285 km (0.042 R)
• M15: 11,475,802 km (0.103 R)
• M16: 12,615,289 km (0.112 R)
• M17: 14,047,539 km (0.112 R)
• M18: 15,882,208 km (0.08 R)
• M19: 19,883,203 km (0.03 R)
• M20: 21,524,291 km (0.104 R)
• M21: 21,966,951 km (0.095 R)
• M22: 25,156,079 km (0.03 R)
• M23: 26,988,653 km (0.119 R)
• M24: 29,993,775 km (0.108 R)
• M25: 30,546,240 km (0.039 R)
• M26: 31,576,969 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.6

Radius: 7.4

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.2 AU - 7.66 AU

Year: 11968 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,238,902 km

• M1: 92,003 km (0.116 R)
• M2: 352,752 km (0.086 R)
• M3: 1,547,141 km (0.041 R)
• M4: 2,389,377 km (0.078 R)
• M5: 2,899,805 km (0.099 R)
• M6: 4,342,826 km (0.088 R)
• M7: 6,097,310 km (0.084 R)
• M8: 8,094,142 km (0.038 R)
• M9: 8,798,449 km (0.103 R)
• M10: 9,190,396 km (0.112 R)
• M11: 10,168,167 km (0.12 R)
• M12: 10,764,913 km (0.065 R)
• M13: 11,850,545 km (0.107 R)
• M14: 12,268,372 km (0.113 R)
• M15: 13,645,570 km (0.1 R)
• M16: 16,116,777 km (0.076 R)
• M17: 18,233,886 km (0.109 R)
• M18: 25,587,968 km (0.082 R)
• M19: 34,701,171 km (0.098 R)
• M20: 34,944,118 km (0.12 R)
• M21: 40,310,343 km (0.1 R)
• M22: 40,983,533 km (0.111 R)
• M23: 44,177,598 km (0.1 R)
• M24: 46,054,303 km (0.115 R)
• M25: 53,606,303 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.4

Radius: 6.7

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.65 AU - 11.59 AU

Year: 19574 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,238,902 km

• M1: 83,326 km (0.07 R)
• M2: 418,276 km (0.109 R)
• M3: 628,311 km (0.118 R)
• M4: 1,123,929 km (0.085 R)
• M5: 2,471,058 km (0.108 R)
• M6: 3,748,923 km (0.111 R)
• M7: 4,620,031 km (0.042 R)
• M8: 5,337,203 km (0.116 R)
• M9: 5,826,837 km (0.049 R)
• M10: 6,848,740 km (0.092 R)
• M11: 7,182,194 km (0.075 R)
• M12: 7,778,940 km (0.059 R)
• M13: 8,625,514 km (0.114 R)
• M14: 9,947,810 km (0.065 R)
• M15: 11,072,935 km (0.034 R)
• M16: 12,490,076 km (0.082 R)
• M17: 13,722,613 km (0.066 R)
• M18: 16,852,948 km (0.051 R)
• M19: 17,815,162 km (0.083 R)
• M20: 19,185,478 km (0.07 R)
• M21: 19,944,388 km (0.063 R)
• M22: 21,826,928 km (0.091 R)
• M23: 23,824,807 km (0.105 R)
• M24: 26,402,379 km (0.107 R)
• M25: 27,222,325 km (0.096 R)
• M26: 29,284,232 km (0.102 R)
• M27: 30,162,671 km (0.044 R)
• M28: 33,308,116 km (0.059 R)
• M29: 34,541,999 km (0.119 R)
• M30: 35,099,999 km (0.118 R)
• M31: 36,521,328 km (0.069 R)
• M32: 37,685,648 km (0.066 R)
• M33: 41,955,920 km (0.114 R)
• M34: 66,039,382 km (0.093 R)
• M35: 67,983,256 km (0.1 R)
• M36: 70,634,131 km (0.058 R)
• M37: 71,307,471 km (0.114 R)
• M38: 79,482,246 km (0.119 R)
• M39: 80,454,483 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.2

Radius: 3.1

Gravity: 38.42 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 8.61 AU - 13.53 AU

Year: 24162 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,238,902 km

• M1: 63,729 km (0.093 R)
• M2: 401,969 km (0.079 R)
• M3: 567,126 km (0.117 R)
• M4: 903,870 km (0.053 R)
• M5: 1,083,687 km (0.094 R)
• M6: 1,216,380 km (0.047 R)
• M7: 1,546,842 km (0.082 R)
• M8: 1,715,439 km (0.088 R)
• M9: 1,896,303 km (0.083 R)
• M10: 2,211,954 km (0.103 R)
• M11: 2,921,198 km (0.047 R)
• M12: 3,074,236 km (0.071 R)
• M13: 3,890,592 km (0.067 R)
• M14: 4,633,196 km (0.101 R)
• M15: 4,983,853 km (0.12 R)
• M16: 6,564,355 km (0.061 R)
• M17: 7,142,401 km (0.041 R)
• M18: 7,997,801 km (0.1 R)
• M19: 8,708,690 km (0.111 R)
• M20: 9,966,360 km (0.081 R)
• M21: 10,608,583 km (0.042 R)
• M22: 11,154,167 km (0.117 R)
• M23: 11,846,057 km (0.118 R)
• M24: 11,974,861 km (0.082 R)
• M25: 15,126,140 km (0.047 R)
• M26: 15,507,166 km (0.095 R)
• M27: 17,759,661 km (0.113 R)
• M28: 21,152,241 km (0.078 R)
• M29: 28,370,189 km (0.053 R)
• M30: 30,612,212 km (0.114 R)
• M31: 35,178,538 km (0.088 R)
• M32: 35,311,381 km (0.073 R)
• M33: 35,712,303 km (0.093 R)
• M34: 36,522,974 km (0.064 R)
• M35: 36,795,990 km (0.104 R)
• M36: 38,321,439 km (0.105 R)
• M37: 42,393,942 km (0.115 R)
• M38: 43,608,378 km (0.089 R)
• M39: 54,346,962 km (0.098 R)
• M40: 54,702,705 km (0.098 R)
• M41: 60,416,895 km (0.093 R)
• M42: 63,122,822 km (0.049 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 10,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit