🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 11.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.18 AU - 1.56 AU

Year: 1107 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,825,259 km

• M1: 148,102 km (0.068 R)
• M2: 596,896 km (0.095 R)
• M3: 1,087,726 km (0.076 R)
• M4: 1,733,839 km (0.12 R)
• M5: 2,240,976 km (0.118 R)
• M6: 3,070,945 km (0.058 R)
• M7: 3,656,022 km (0.117 R)
• M8: 4,258,902 km (0.114 R)
• M9: 5,885,180 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 9.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.37 AU - 1.71 AU

Year: 1319 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,825,259 km

• M1: 120,725 km (0.1 R)
• M2: 432,188 km (0.08 R)
• M3: 1,045,540 km (0.116 R)
• M4: 1,372,411 km (0.106 R)
• M5: 2,020,618 km (0.109 R)
• M6: 2,367,685 km (0.084 R)
• M7: 3,125,848 km (0.089 R)
• M8: 4,481,803 km (0.073 R)
• M9: 4,821,539 km (0.115 R)
• M10: 5,447,158 km (0.083 R)
• M11: 5,812,625 km (0.067 R)
• M12: 6,125,883 km (0.115 R)
• M13: 6,884,494 km (0.119 R)
• M14: 7,519,836 km (0.11 R)
• M15: 9,234,228 km (0.077 R)
• M16: 10,007,050 km (0.102 R)
• M17: 10,458,387 km (0.1 R)
• M18: 10,923,188 km (0.115 R)
• M19: 11,263,523 km (0.101 R)
• M20: 12,001,489 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 8.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.58 AU - 2 AU

Year: 1653 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,825,259 km

• M1: 111,002 km (0.069 R)
• M2: 559,496 km (0.067 R)
• M3: 855,101 km (0.119 R)
• M4: 1,150,557 km (0.115 R)
• M5: 1,948,961 km (0.075 R)
• M6: 2,667,779 km (0.045 R)
• M7: 5,120,586 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 11.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.71 AU - 2.07 AU

Year: 1794 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,825,259 km

• M1: 138,079 km (0.099 R)
• M2: 531,970 km (0.041 R)
• M3: 1,071,719 km (0.079 R)
• M4: 1,691,653 km (0.055 R)
• M5: 2,672,716 km (0.067 R)
• M6: 3,073,787 km (0.074 R)
• M7: 4,705,003 km (0.12 R)
• M8: 5,228,296 km (0.072 R)
• M9: 7,034,541 km (0.09 R)
• M10: 9,417,336 km (0.101 R)
• M11: 10,353,519 km (0.094 R)
• M12: 11,721,891 km (0.104 R)
• M13: 12,449,684 km (0.04 R)
• M14: 13,329,619 km (0.105 R)
• M15: 14,422,581 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 12.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.22 AU - 2.68 AU

Year: 2647 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,825,259 km

• M1: 153,039 km (0.027 R)
• M2: 630,854 km (0.102 R)
• M3: 1,259,764 km (0.104 R)
• M4: 1,805,048 km (0.079 R)
• M5: 2,534,038 km (0.04 R)
• M6: 3,292,649 km (0.105 R)
• M7: 3,744,734 km (0.087 R)
• M8: 6,862,653 km (0.11 R)
• M9: 7,667,040 km (0.087 R)
• M10: 10,729,907 km (0.07 R)
• M11: 11,162,844 km (0.071 R)
• M12: 13,964,662 km (0.119 R)
• M13: 14,962,181 km (0.084 R)
• M14: 15,955,660 km (0.091 R)
• M15: 16,992,822 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 12.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.26 AU - 3.38 AU

Year: 4176 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,825,259 km

• M1: 156,180 km (0.026 R)
• M2: 708,346 km (0.094 R)
• M3: 1,235,230 km (0.12 R)
• M4: 2,638,906 km (0.115 R)
• M5: 3,887,899 km (0.102 R)
• M6: 4,403,713 km (0.097 R)
• M7: 5,701,175 km (0.097 R)
• M8: 8,385,858 km (0.068 R)
• M9: 8,932,788 km (0.119 R)
• M10: 13,179,572 km (0.087 R)
• M11: 15,790,205 km (0.1 R)
• M12: 17,435,632 km (0.098 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.6

Radius: 3.5

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.49 AU - 6.61 AU

Year: 9025 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 63.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,825,259 km

• M1: 45,777 km (0.117 R)
• M2: 178,769 km (0.119 R)
• M3: 301,141 km (0.09 R)
• M4: 441,015 km (0.1 R)
• M5: 962,961 km (0.033 R)
• M6: 1,078,152 km (0.046 R)
• M7: 1,697,038 km (0.108 R)
• M8: 2,474,199 km (0.073 R)
• M9: 2,589,988 km (0.035 R)
• M10: 4,300,340 km (0.096 R)
• M11: 4,640,077 km (0.12 R)
• M12: 5,318,055 km (0.083 R)
• M13: 6,835,426 km (0.109 R)
• M14: 9,316,058 km (0.098 R)
• M15: 14,840,258 km (0.104 R)
• M16: 17,178,473 km (0.118 R)
• M17: 21,439,469 km (0.076 R)
• M18: 21,858,493 km (0.114 R)
• M19: 22,640,890 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.7

Radius: 6.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.65 AU - 5.83 AU

Year: 9492 Days

Day: 24.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 15,825,259 km

• M1: 84,822 km (0.112 R)
• M2: 328,218 km (0.09 R)
• M3: 886,367 km (0.096 R)
• M4: 1,267,842 km (0.115 R)
• M5: 1,663,379 km (0.072 R)
• M6: 2,611,979 km (0.102 R)
• M7: 3,611,891 km (0.034 R)
• M8: 3,949,384 km (0.109 R)
• M9: 5,200,620 km (0.044 R)
• M10: 5,485,305 km (0.047 R)
• M11: 6,024,007 km (0.117 R)
• M12: 6,402,340 km (0.114 R)
• M13: 6,663,239 km (0.12 R)
• M14: 7,033,643 km (0.1 R)
• M15: 7,742,139 km (0.12 R)
• M16: 8,265,881 km (0.101 R)
• M17: 8,614,743 km (0.079 R)
• M18: 9,892,309 km (0.094 R)
• M19: 10,689,516 km (0.088 R)
• M20: 10,964,626 km (0.059 R)
• M21: 12,664,208 km (0.103 R)
• M22: 14,588,186 km (0.113 R)
• M23: 15,737,247 km (0.05 R)
• M24: 16,333,844 km (0.115 R)
• M25: 17,069,566 km (0.11 R)
• M26: 18,344,588 km (0.085 R)
• M27: 20,726,486 km (0.112 R)
• M28: 25,357,138 km (0.033 R)
• M29: 27,524,662 km (0.105 R)
• M30: 29,542,288 km (0.076 R)
• M31: 29,812,612 km (0.039 R)
• M32: 30,725,308 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.7

Radius: 6.3

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.41 AU - 7.59 AU

Year: 11439 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 15,825,259 km

• M1: 78,389 km (0.081 R)
• M2: 617,989 km (0.074 R)
• M3: 1,190,949 km (0.112 R)
• M4: 1,419,534 km (0.071 R)
• M5: 1,632,412 km (0.109 R)
• M6: 1,899,743 km (0.118 R)
• M7: 2,141,494 km (0.044 R)
• M8: 2,423,336 km (0.066 R)
• M9: 2,729,712 km (0.116 R)
• M10: 3,225,629 km (0.103 R)
• M11: 3,887,151 km (0.082 R)
• M12: 5,306,685 km (0.119 R)
• M13: 5,613,511 km (0.106 R)
• M14: 6,188,116 km (0.053 R)
• M15: 7,041,273 km (0.09 R)
• M16: 9,219,268 km (0.086 R)
• M17: 10,646,731 km (0.098 R)
• M18: 11,638,714 km (0.025 R)
• M19: 14,516,977 km (0.112 R)
• M20: 15,527,062 km (0.085 R)
• M21: 19,312,038 km (0.105 R)
• M22: 21,717,123 km (0.106 R)
• M23: 22,502,213 km (0.109 R)
• M24: 24,314,740 km (0.109 R)
• M25: 26,516,671 km (0.116 R)
• M26: 27,514,340 km (0.062 R)
• M27: 28,022,374 km (0.069 R)
• M28: 29,690,241 km (0.11 R)
• M29: 30,983,813 km (0.081 R)
• M30: 31,202,974 km (0.082 R)
• M31: 31,755,439 km (0.105 R)
• M32: 32,653,026 km (0.088 R)
• M33: 34,147,360 km (0.087 R)
• M34: 37,024,875 km (0.036 R)
• M35: 39,286,346 km (0.114 R)
• M36: 42,442,561 km (0.111 R)
• M37: 44,498,784 km (0.085 R)
• M38: 45,480,595 km (0.059 R)
• M39: 50,607,613 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.3

Radius: 5.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.06 AU - 7.54 AU

Year: 13614 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,825,259 km

• M1: 104,868 km (0.11 R)
• M2: 370,255 km (0.111 R)
• M3: 629,807 km (0.093 R)
• M4: 1,126,023 km (0.114 R)
• M5: 2,129,675 km (0.082 R)
• M6: 2,331,184 km (0.102 R)
• M7: 3,059,875 km (0.072 R)
• M8: 5,995,733 km (0.115 R)
• M9: 6,502,421 km (0.041 R)
• M10: 7,064,759 km (0.112 R)
• M11: 7,746,477 km (0.099 R)
• M12: 8,408,896 km (0.108 R)
• M13: 10,123,886 km (0.082 R)
• M14: 14,315,768 km (0.114 R)
• M15: 14,807,646 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 10,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit