🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.43 AU - 0.71 AU

Year: 282 Days

Day: 22.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,481,371 km

• M1: 540,497 km (0.103 R)

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 11.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.08 AU - 1.66 AU

Year: 1052 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,481,371 km

• M1: 152,590 km (0.093 R)
• M2: 917,933 km (0.098 R)
• M3: 1,548,787 km (0.041 R)
• M4: 1,973,346 km (0.055 R)
• M5: 2,541,518 km (0.071 R)
• M6: 3,269,461 km (0.098 R)
• M7: 3,858,129 km (0.08 R)
• M8: 5,193,739 km (0.114 R)
• M9: 5,585,685 km (0.059 R)
• M10: 6,180,038 km (0.091 R)
• M11: 6,904,391 km (0.083 R)
• M12: 7,708,180 km (0.06 R)
• M13: 8,884,468 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 12.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.6 AU - 2.48 AU

Year: 1911 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,481,371 km

• M1: 270,473 km (0.087 R)
• M2: 913,295 km (0.094 R)
• M3: 1,519,017 km (0.115 R)
• M4: 1,964,669 km (0.076 R)
• M5: 3,251,809 km (0.071 R)
• M6: 4,303,033 km (0.099 R)
• M7: 4,945,257 km (0.051 R)
• M8: 5,589,276 km (0.102 R)
• M9: 6,092,224 km (0.12 R)
• M10: 6,579,763 km (0.116 R)
• M11: 7,409,134 km (0.094 R)
• M12: 9,247,542 km (0.103 R)
• M13: 9,893,206 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 13.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.84 AU - 2.32 AU

Year: 1968 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,481,371 km

• M1: 165,605 km (0.078 R)
• M2: 687,851 km (0.106 R)
• M3: 1,687,165 km (0.119 R)
• M4: 2,205,970 km (0.115 R)
• M5: 2,734,799 km (0.09 R)
• M6: 3,927,842 km (0.095 R)
• M7: 4,872,403 km (0.114 R)
• M8: 5,778,367 km (0.108 R)
• M9: 6,223,720 km (0.045 R)
• M10: 6,922,193 km (0.1 R)
• M11: 7,425,440 km (0.079 R)
• M12: 8,505,686 km (0.117 R)
• M13: 8,990,832 km (0.078 R)
• M14: 11,048,102 km (0.087 R)
• M15: 12,035,747 km (0.092 R)
• M16: 13,321,840 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 14.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.9 AU - 3.18 AU

Year: 3477 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,481,371 km

• M1: 187,895 km (0.08 R)
• M2: 3,101,313 km (0.054 R)
• M3: 3,805,171 km (0.05 R)
• M4: 6,062,454 km (0.043 R)
• M5: 7,425,739 km (0.05 R)
• M6: 8,896,137 km (0.057 R)
• M7: 9,622,733 km (0.101 R)
• M8: 10,719,585 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.8

Radius: 6

Gravity: 23.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.38 AU - 7.44 AU

Year: 10646 Days

Day: 16.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,481,371 km

• M1: 78,539 km (0.111 R)
• M2: 278,850 km (0.072 R)
• M3: 524,789 km (0.082 R)
• M4: 1,169,556 km (0.096 R)
• M5: 3,702,697 km (0.094 R)
• M6: 4,721,458 km (0.095 R)
• M7: 7,255,198 km (0.084 R)
• M8: 9,374,102 km (0.116 R)
• M9: 10,959,241 km (0.07 R)
• M10: 13,087,121 km (0.115 R)
• M11: 14,247,851 km (0.076 R)
• M12: 20,923,357 km (0.059 R)
• M13: 21,529,677 km (0.077 R)
• M14: 25,612,203 km (0.076 R)
• M15: 27,938,599 km (0.097 R)
• M16: 30,844,837 km (0.034 R)
• M17: 33,592,052 km (0.044 R)
• M18: 45,777,846 km (0.098 R)
• M19: 46,651,946 km (0.058 R)
• M20: 49,341,417 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.2

Radius: 3.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.22 AU - 7.6 AU

Year: 10646 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,481,371 km

• M1: 43,533 km (0.073 R)
• M2: 283,488 km (0.036 R)
• M3: 715,975 km (0.032 R)
• M4: 1,478,625 km (0.119 R)
• M5: 2,095,417 km (0.115 R)
• M6: 2,305,602 km (0.074 R)
• M7: 2,702,934 km (0.037 R)
• M8: 3,853,192 km (0.098 R)
• M9: 4,212,078 km (0.051 R)
• M10: 5,500,265 km (0.095 R)
• M11: 8,193,775 km (0.082 R)
• M12: 9,146,863 km (0.098 R)
• M13: 11,567,506 km (0.098 R)
• M14: 20,492,216 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.5

Radius: 5.9

Gravity: 23.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.28 AU - 7.56 AU

Year: 13259 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,481,371 km

• M1: 81,980 km (0.111 R)
• M2: 479,012 km (0.112 R)
• M3: 750,233 km (0.086 R)
• M4: 1,356,703 km (0.116 R)
• M5: 2,712,957 km (0.072 R)
• M6: 5,379,988 km (0.062 R)
• M7: 6,210,556 km (0.052 R)
• M8: 6,739,683 km (0.108 R)
• M9: 11,921,305 km (0.09 R)
• M10: 16,913,685 km (0.094 R)
• M11: 21,461,460 km (0.084 R)
• M12: 22,384,629 km (0.075 R)
• M13: 22,951,006 km (0.11 R)
• M14: 24,408,837 km (0.057 R)
• M15: 28,266,518 km (0.102 R)
• M16: 30,282,349 km (0.087 R)
• M17: 31,678,097 km (0.117 R)
• M18: 34,472,436 km (0.072 R)
• M19: 35,481,623 km (0.044 R)
• M20: 58,228,877 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.5

Radius: 6.8

Gravity: 18.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.49 AU - 8.25 AU

Year: 14483 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,481,371 km

• M1: 84,523 km (0.106 R)
• M2: 333,005 km (0.115 R)
• M3: 600,336 km (0.096 R)
• M4: 933,940 km (0.12 R)
• M5: 1,372,860 km (0.071 R)
• M6: 1,599,650 km (0.086 R)
• M7: 2,523,118 km (0.078 R)
• M8: 2,842,808 km (0.085 R)
• M9: 3,189,277 km (0.04 R)
• M10: 4,497,062 km (0.048 R)
• M11: 5,179,976 km (0.104 R)
• M12: 15,013,343 km (0.047 R)
• M13: 15,457,350 km (0.063 R)
• M14: 16,684,651 km (0.117 R)
• M15: 20,034,596 km (0.081 R)
• M16: 20,845,715 km (0.08 R)
• M17: 21,772,474 km (0.079 R)
• M18: 22,341,544 km (0.105 R)
• M19: 23,115,564 km (0.046 R)
• M20: 23,707,822 km (0.117 R)
• M21: 24,922,407 km (0.096 R)
• M22: 25,440,614 km (0.116 R)
• M23: 27,695,652 km (0.118 R)
• M24: 29,156,475 km (0.115 R)
• M25: 30,431,947 km (0.044 R)
• M26: 34,226,347 km (0.103 R)
• M27: 37,237,154 km (0.071 R)
• M28: 37,642,564 km (0.083 R)
• M29: 43,779,667 km (0.075 R)
• M30: 46,535,410 km (0.079 R)
• M31: 47,320,948 km (0.12 R)
• M32: 48,275,083 km (0.106 R)
• M33: 49,894,031 km (0.052 R)
• M34: 52,898,405 km (0.116 R)
• M35: 55,844,736 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.3

Radius: 4.2

Gravity: 49.73 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.58 AU - 9.36 AU

Year: 14760 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,481,371 km

• M1: 52,359 km (0.112 R)
• M2: 458,667 km (0.101 R)
• M3: 667,805 km (0.084 R)
• M4: 905,217 km (0.102 R)
• M5: 1,118,543 km (0.076 R)
• M6: 1,409,212 km (0.093 R)
• M7: 2,519,827 km (0.108 R)
• M8: 3,018,287 km (0.098 R)
• M9: 5,874,858 km (0.046 R)
• M10: 6,572,732 km (0.074 R)
• M11: 8,582,430 km (0.103 R)
• M12: 8,839,888 km (0.106 R)
• M13: 9,102,432 km (0.066 R)
• M14: 10,377,754 km (0.118 R)
• M15: 12,408,695 km (0.109 R)
• M16: 13,760,461 km (0.048 R)
• M17: 19,262,072 km (0.111 R)
• M18: 24,906,699 km (0.101 R)
• M19: 28,498,843 km (0.103 R)
• M20: 32,297,582 km (0.084 R)
• M21: 35,886,884 km (0.052 R)
• M22: 41,755,159 km (0.116 R)
• M23: 50,363,918 km (0.062 R)
• M24: 52,729,958 km (0.086 R)
• M25: 63,321,936 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 19,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit