🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 252 Days

Day: 31.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,401,249 km

• M1: 176,675 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.3

Radius: 14.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 388 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,401,249 km

• M1: 176,825 km (0.098 R)
• M2: 739,911 km (0.069 R)
• M3: 1,189,004 km (0.074 R)
• M4: 1,670,260 km (0.045 R)
• M5: 2,196,695 km (0.08 R)
• M6: 2,659,252 km (0.12 R)
• M7: 3,136,619 km (0.054 R)
• M8: 3,683,100 km (0.104 R)
• M9: 4,484,795 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 9.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.71 AU - 0.89 AU

Year: 455 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,401,249 km

• M1: 114,442 km (0.066 R)
• M2: 401,670 km (0.076 R)
• M3: 723,306 km (0.034 R)
• M4: 1,076,207 km (0.114 R)
• M5: 1,665,772 km (0.06 R)
• M6: 2,046,499 km (0.089 R)
• M7: 3,954,321 km (0.062 R)
• M8: 4,387,855 km (0.082 R)
• M9: 4,794,761 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 11.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.8 AU - 0.88 AU

Year: 489 Days

Day: 13.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,401,249 km

• M1: 143,016 km (0.045 R)
• M2: 531,372 km (0.103 R)
• M3: 923,916 km (0.105 R)
• M4: 1,317,209 km (0.107 R)
• M5: 1,698,684 km (0.063 R)
• M6: 2,215,395 km (0.048 R)
• M7: 2,652,819 km (0.085 R)
• M8: 3,136,768 km (0.07 R)
• M9: 5,122,829 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 9.6

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.82 AU - 1.16 AU

Year: 626 Days

Day: 5.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,401,249 km

• M1: 119,379 km (0.09 R)
• M2: 487,390 km (0.04 R)
• M3: 869,014 km (0.109 R)
• M4: 1,236,576 km (0.087 R)
• M5: 1,603,240 km (0.061 R)
• M6: 2,495,292 km (0.058 R)
• M7: 2,941,244 km (0.045 R)
• M8: 3,346,205 km (0.108 R)
• M9: 4,053,504 km (0.119 R)
• M10: 4,475,220 km (0.111 R)
• M11: 4,857,443 km (0.112 R)
• M12: 5,593,016 km (0.117 R)
• M13: 6,017,275 km (0.095 R)
• M14: 6,758,084 km (0.091 R)
• M15: 7,627,846 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 13.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.96 AU - 1.38 AU

Year: 805 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,401,249 km

• M1: 165,455 km (0.108 R)
• M2: 628,311 km (0.102 R)
• M3: 1,130,661 km (0.068 R)
• M4: 1,556,416 km (0.091 R)
• M5: 2,270,896 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 10.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.39 AU - 4.47 AU

Year: 5928 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 72 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,401,249 km

• M1: 135,536 km (0.108 R)
• M2: 704,606 km (0.047 R)
• M3: 1,097,151 km (0.083 R)
• M4: 1,874,761 km (0.117 R)
• M5: 2,473,601 km (0.115 R)
• M6: 3,905,103 km (0.059 R)
• M7: 4,660,422 km (0.113 R)
• M8: 5,923,776 km (0.071 R)
• M9: 8,066,467 km (0.05 R)
• M10: 8,600,531 km (0.084 R)
• M11: 10,633,417 km (0.098 R)
• M12: 11,275,940 km (0.095 R)
• M13: 11,735,803 km (0.111 R)
• M14: 12,693,230 km (0.104 R)
• M15: 13,135,142 km (0.052 R)
• M16: 15,375,968 km (0.07 R)
• M17: 16,133,532 km (0.11 R)
• M18: 17,587,025 km (0.102 R)
• M19: 18,839,757 km (0.079 R)
• M20: 20,300,431 km (0.108 R)
• M21: 33,744,792 km (0.05 R)
• M22: 36,224,077 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 13.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.16 AU - 5.98 AU

Year: 7258 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,401,249 km

• M1: 172,935 km (0.072 R)
• M2: 654,191 km (0.056 R)
• M3: 1,295,966 km (0.092 R)
• M4: 2,047,097 km (0.065 R)
• M5: 2,602,853 km (0.08 R)
• M6: 3,537,990 km (0.119 R)
• M7: 4,270,271 km (0.106 R)
• M8: 4,713,679 km (0.078 R)
• M9: 5,245,649 km (0.093 R)
• M10: 6,331,580 km (0.107 R)
• M11: 7,487,972 km (0.092 R)
• M12: 8,097,284 km (0.107 R)
• M13: 8,535,157 km (0.075 R)
• M14: 9,200,568 km (0.086 R)
• M15: 9,677,935 km (0.109 R)
• M16: 12,422,458 km (0.066 R)
• M17: 13,553,417 km (0.082 R)
• M18: 14,634,711 km (0.08 R)
• M19: 19,329,840 km (0.109 R)
• M20: 22,677,242 km (0.115 R)
• M21: 26,829,929 km (0.089 R)
• M22: 28,900,364 km (0.06 R)
• M23: 31,269,396 km (0.053 R)
• M24: 34,904,624 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 4.2

Gravity: 37.69 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.6 AU - 11.14 AU

Year: 21233 Days

Day: 21.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,401,249 km

• M1: 52,359 km (0.099 R)
• M2: 450,888 km (0.115 R)
• M3: 633,248 km (0.034 R)
• M4: 944,711 km (0.09 R)
• M5: 1,663,977 km (0.114 R)
• M6: 2,210,309 km (0.082 R)
• M7: 3,104,605 km (0.082 R)
• M8: 3,799,786 km (0.088 R)
• M9: 5,373,556 km (0.093 R)
• M10: 6,817,773 km (0.118 R)
• M11: 8,935,481 km (0.078 R)
• M12: 9,157,484 km (0.112 R)
• M13: 9,787,141 km (0.088 R)
• M14: 10,879,206 km (0.051 R)
• M15: 11,915,770 km (0.108 R)
• M16: 13,016,511 km (0.031 R)
• M17: 13,374,050 km (0.06 R)
• M18: 13,518,860 km (0.084 R)
• M19: 13,811,623 km (0.111 R)
• M20: 14,108,575 km (0.117 R)
• M21: 20,590,950 km (0.1 R)
• M22: 21,272,219 km (0.066 R)
• M23: 35,404,730 km (0.12 R)
• M24: 35,960,635 km (0.076 R)
• M25: 36,381,454 km (0.06 R)
• M26: 36,805,564 km (0.086 R)
• M27: 38,097,491 km (0.08 R)
• M28: 38,388,758 km (0.084 R)
• M29: 38,534,916 km (0.118 R)
• M30: 41,690,084 km (0.1 R)
• M31: 42,779,007 km (0.037 R)
• M32: 46,159,171 km (0.061 R)
• M33: 48,850,736 km (0.118 R)
• M34: 50,235,115 km (0.078 R)
• M35: 53,081,663 km (0.103 R)
• M36: 54,544,431 km (0.09 R)
• M37: 55,659,085 km (0.117 R)
• M38: 64,300,456 km (0.085 R)
• M39: 65,961,890 km (0.108 R)
• M40: 72,894,405 km (0.063 R)
• M41: 76,074,257 km (0.095 R)
• M42: 77,932,113 km (0.095 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: 444 - 19,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit