🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 10.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.71 AU - 1.15 AU

Year: 579 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,131,169 km

• M1: 135,536 km (0.098 R)
• M2: 712,385 km (0.11 R)
• M3: 1,323,492 km (0.026 R)
• M4: 2,450,712 km (0.086 R)
• M5: 3,595,136 km (0.091 R)
• M6: 4,685,405 km (0.118 R)
• M7: 5,758,172 km (0.098 R)
• M8: 6,175,849 km (0.073 R)
• M9: 6,634,217 km (0.069 R)

Asteroid Belt

Center: 1.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 13.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.63 AU - 2.27 AU

Year: 1758 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,131,169 km

• M1: 174,581 km (0.1 R)
• M2: 650,302 km (0.115 R)
• M3: 1,259,165 km (0.112 R)
• M4: 1,887,925 km (0.072 R)
• M5: 2,347,490 km (0.091 R)
• M6: 2,965,479 km (0.112 R)
• M7: 3,674,423 km (0.099 R)
• M8: 4,401,618 km (0.07 R)
• M9: 4,978,318 km (0.095 R)
• M10: 6,006,504 km (0.105 R)
• M11: 6,547,151 km (0.072 R)
• M12: 7,301,274 km (0.116 R)
• M13: 8,540,393 km (0.077 R)
• M14: 9,787,590 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.9

Radius: 13.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.96 AU - 2.52 AU

Year: 2165 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,131,169 km

• M1: 168,148 km (0.078 R)
• M2: 694,733 km (0.095 R)
• M3: 1,126,622 km (0.114 R)
• M4: 2,023,760 km (0.081 R)
• M5: 2,772,797 km (0.096 R)
• M6: 3,731,120 km (0.09 R)
• M7: 4,322,331 km (0.073 R)
• M8: 4,769,031 km (0.084 R)
• M9: 5,446,858 km (0.101 R)
• M10: 6,411,765 km (0.091 R)
• M11: 7,214,208 km (0.067 R)
• M12: 7,794,199 km (0.084 R)
• M13: 8,215,915 km (0.05 R)
• M14: 8,792,615 km (0.105 R)
• M15: 9,396,093 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 11.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.12 AU - 3.86 AU

Year: 4210 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,131,169 km

• M1: 143,165 km (0.036 R)
• M2: 606,021 km (0.085 R)
• M3: 1,038,359 km (0.085 R)
• M4: 1,921,136 km (0.095 R)
• M5: 2,729,862 km (0.077 R)
• M6: 3,553,249 km (0.069 R)
• M7: 3,917,669 km (0.11 R)
• M8: 4,397,280 km (0.1 R)
• M9: 4,770,526 km (0.114 R)
• M10: 5,661,681 km (0.072 R)
• M11: 6,481,328 km (0.059 R)
• M12: 8,604,870 km (0.088 R)
• M13: 9,229,291 km (0.035 R)
• M14: 9,844,288 km (0.091 R)
• M15: 11,458,299 km (0.054 R)
• M16: 13,051,068 km (0.082 R)
• M17: 16,615,237 km (0.094 R)
• M18: 19,948,427 km (0.077 R)
• M19: 21,372,001 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 15

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.61 AU - 3.75 AU

Year: 4558 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,131,169 km

• M1: 219,460 km (0.088 R)
• M2: 987,496 km (0.112 R)
• M3: 1,681,480 km (0.062 R)
• M4: 2,339,412 km (0.074 R)
• M5: 4,396,981 km (0.064 R)
• M6: 7,128,039 km (0.061 R)
• M7: 8,976,471 km (0.042 R)
• M8: 9,859,696 km (0.11 R)
• M9: 12,589,409 km (0.078 R)
• M10: 14,225,561 km (0.109 R)
• M11: 17,521,800 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.36 AU - 4.04 AU

Year: 4595 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,131,169 km

• M1: 112,049 km (0.115 R)
• M2: 452,982 km (0.057 R)
• M3: 892,052 km (0.086 R)
• M4: 1,428,061 km (0.076 R)
• M5: 1,804,749 km (0.119 R)
• M6: 2,087,638 km (0.097 R)
• M7: 2,888,436 km (0.07 R)
• M8: 3,496,252 km (0.094 R)
• M9: 4,918,928 km (0.11 R)
• M10: 7,503,680 km (0.037 R)
• M11: 8,211,278 km (0.1 R)
• M12: 9,355,103 km (0.111 R)
• M13: 12,786,280 km (0.071 R)
• M14: 14,855,667 km (0.106 R)
• M15: 15,660,653 km (0.116 R)
• M16: 16,335,788 km (0.062 R)
• M17: 17,084,526 km (0.049 R)
• M18: 17,633,101 km (0.119 R)
• M19: 18,250,192 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.1

Radius: 3.6

Gravity: 52.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.21 AU - 8.49 AU

Year: 15579 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,131,169 km

• M1: 45,029 km (0.091 R)
• M2: 229,034 km (0.081 R)
• M3: 366,664 km (0.11 R)
• M4: 890,855 km (0.053 R)
• M5: 1,014,872 km (0.061 R)
• M6: 1,442,871 km (0.101 R)
• M7: 1,614,759 km (0.083 R)
• M8: 1,765,554 km (0.073 R)
• M9: 2,056,821 km (0.062 R)
• M10: 3,226,826 km (0.078 R)
• M11: 3,466,781 km (0.105 R)
• M12: 4,449,190 km (0.085 R)
• M13: 7,995,408 km (0.066 R)
• M14: 8,188,539 km (0.106 R)
• M15: 10,351,425 km (0.12 R)
• M16: 11,289,553 km (0.048 R)
• M17: 13,333,359 km (0.102 R)
• M18: 14,442,029 km (0.112 R)
• M19: 15,761,332 km (0.098 R)
• M20: 16,450,081 km (0.099 R)
• M21: 17,969,547 km (0.111 R)
• M22: 18,720,977 km (0.112 R)
• M23: 19,319,817 km (0.073 R)
• M24: 20,375,679 km (0.066 R)
• M25: 21,655,489 km (0.112 R)
• M26: 24,072,541 km (0.109 R)
• M27: 25,294,008 km (0.043 R)
• M28: 27,420,691 km (0.109 R)
• M29: 29,663,612 km (0.094 R)
• M30: 35,279,965 km (0.107 R)
• M31: 36,720,593 km (0.103 R)
• M32: 36,853,435 km (0.118 R)
• M33: 39,858,707 km (0.036 R)
• M34: 40,848,147 km (0.108 R)
• M35: 40,990,714 km (0.09 R)
• M36: 43,170,804 km (0.098 R)
• M37: 47,918,891 km (0.038 R)
• M38: 50,994,473 km (0.072 R)
• M39: 51,491,737 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.8

Radius: 4.7

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.07 AU - 11.09 AU

Year: 22220 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,131,169 km

• M1: 114,143 km (0.101 R)
• M2: 358,436 km (0.03 R)
• M3: 1,071,121 km (0.115 R)
• M4: 1,428,061 km (0.089 R)
• M5: 1,757,326 km (0.095 R)
• M6: 1,913,357 km (0.107 R)
• M7: 2,544,510 km (0.113 R)
• M8: 2,860,610 km (0.063 R)
• M9: 3,077,378 km (0.119 R)
• M10: 3,908,693 km (0.084 R)
• M11: 4,085,518 km (0.09 R)
• M12: 4,914,140 km (0.093 R)
• M13: 6,238,680 km (0.109 R)
• M14: 8,895,837 km (0.091 R)
• M15: 9,150,752 km (0.071 R)
• M16: 9,515,771 km (0.085 R)
• M17: 9,728,798 km (0.108 R)
• M18: 10,164,128 km (0.119 R)
• M19: 11,132,176 km (0.103 R)
• M20: 11,548,208 km (0.067 R)
• M21: 12,923,162 km (0.108 R)
• M22: 14,126,377 km (0.062 R)
• M23: 17,142,121 km (0.091 R)
• M24: 20,208,728 km (0.102 R)
• M25: 26,656,845 km (0.115 R)
• M26: 33,119,772 km (0.026 R)
• M27: 33,855,345 km (0.086 R)
• M28: 35,232,094 km (0.114 R)
• M29: 37,168,937 km (0.079 R)
• M30: 37,564,773 km (0.093 R)
• M31: 41,536,148 km (0.101 R)
• M32: 42,823,288 km (0.093 R)
• M33: 44,432,213 km (0.084 R)
• M34: 52,090,727 km (0.099 R)
• M35: 52,420,739 km (0.116 R)
• M36: 57,188,424 km (0.079 R)
• M37: 58,780,145 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit