🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.49 AU - 0.51 AU

Year: 232 Days

Day: 32.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.62 AU - 0.62 AU

Year: 320 Days

Day: 44 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 13.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.94 AU - 1.46 AU

Year: 862 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,431,107 km

• M1: 164,258 km (0.028 R)
• M2: 654,191 km (0.068 R)
• M3: 1,637,349 km (0.119 R)
• M4: 2,178,594 km (0.062 R)
• M5: 2,692,014 km (0.099 R)
• M6: 3,160,554 km (0.119 R)
• M7: 4,450,088 km (0.094 R)
• M8: 5,058,502 km (0.119 R)
• M9: 5,555,167 km (0.087 R)
• M10: 6,321,557 km (0.072 R)
• M11: 6,835,576 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 8.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.72 AU - 3.78 AU

Year: 3844 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,431,107 km

• M1: 102,026 km (0.051 R)
• M2: 702,512 km (0.115 R)
• M3: 968,048 km (0.041 R)
• M4: 1,628,074 km (0.083 R)
• M5: 3,659,463 km (0.053 R)
• M6: 4,117,681 km (0.052 R)
• M7: 4,462,804 km (0.086 R)
• M8: 6,109,427 km (0.094 R)
• M9: 6,367,185 km (0.066 R)
• M10: 7,740,044 km (0.064 R)
• M11: 10,088,731 km (0.112 R)
• M12: 10,785,258 km (0.069 R)
• M13: 11,372,281 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 10.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.01 AU - 4.17 AU

Year: 4462 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,431,107 km

• M1: 135,536 km (0.113 R)
• M2: 836,402 km (0.109 R)
• M3: 1,193,941 km (0.113 R)
• M4: 1,767,200 km (0.108 R)
• M5: 2,147,627 km (0.101 R)
• M6: 3,869,947 km (0.099 R)
• M7: 6,216,390 km (0.03 R)
• M8: 7,074,783 km (0.093 R)
• M9: 8,010,517 km (0.087 R)
• M10: 8,716,918 km (0.039 R)
• M11: 10,254,186 km (0.11 R)
• M12: 10,687,122 km (0.065 R)
• M13: 11,776,344 km (0.118 R)
• M14: 12,155,276 km (0.107 R)
• M15: 14,387,874 km (0.073 R)
• M16: 15,657,811 km (0.092 R)
• M17: 16,881,073 km (0.108 R)
• M18: 18,546,246 km (0.108 R)
• M19: 19,255,191 km (0.117 R)
• M20: 21,002,344 km (0.055 R)
• M21: 21,985,950 km (0.078 R)
• M22: 22,416,643 km (0.034 R)
• M23: 22,779,866 km (0.025 R)
• M24: 26,632,161 km (0.071 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 14.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.36 AU - 4.4 AU

Year: 6013 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,431,107 km

• M1: 214,673 km (0.062 R)
• M2: 704,008 km (0.065 R)
• M3: 1,165,517 km (0.116 R)
• M4: 2,784,016 km (0.058 R)
• M5: 4,202,354 km (0.049 R)
• M6: 4,652,344 km (0.094 R)
• M7: 5,414,097 km (0.059 R)
• M8: 5,921,233 km (0.117 R)
• M9: 9,435,437 km (0.117 R)
• M10: 10,093,518 km (0.076 R)
• M11: 13,274,866 km (0.101 R)
• M12: 19,373,672 km (0.115 R)
• M13: 22,008,091 km (0.08 R)
• M14: 23,029,096 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.8

Radius: 4.3

Gravity: 45.58 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.54 AU - 11.12 AU

Year: 18695 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,431,107 km

• M1: 54,454 km (0.069 R)
• M2: 354,846 km (0.085 R)
• M3: 622,178 km (0.092 R)
• M4: 929,003 km (0.091 R)
• M5: 1,199,027 km (0.109 R)
• M6: 1,454,390 km (0.036 R)
• M7: 2,198,939 km (0.113 R)
• M8: 2,442,036 km (0.083 R)
• M9: 3,224,283 km (0.102 R)
• M10: 4,745,544 km (0.098 R)
• M11: 5,701,624 km (0.097 R)
• M12: 6,377,058 km (0.029 R)
• M13: 7,342,563 km (0.103 R)
• M14: 9,848,776 km (0.101 R)
• M15: 11,005,915 km (0.081 R)
• M16: 12,115,632 km (0.058 R)
• M17: 12,802,137 km (0.106 R)
• M18: 13,732,785 km (0.085 R)
• M19: 13,879,840 km (0.118 R)
• M20: 15,172,964 km (0.118 R)
• M21: 16,214,464 km (0.114 R)
• M22: 18,707,663 km (0.092 R)
• M23: 20,377,175 km (0.064 R)
• M24: 22,042,797 km (0.068 R)
• M25: 29,006,130 km (0.066 R)
• M26: 32,391,829 km (0.057 R)
• M27: 33,443,352 km (0.064 R)
• M28: 42,375,990 km (0.073 R)
• M29: 43,633,061 km (0.095 R)
• M30: 52,415,204 km (0.112 R)
• M31: 53,316,831 km (0.11 R)
• M32: 53,498,443 km (0.083 R)
• M33: 58,365,609 km (0.088 R)
• M34: 59,529,181 km (0.058 R)
• M35: 63,928,107 km (0.103 R)
• M36: 67,684,509 km (0.103 R)
• M37: 72,918,341 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.6

Radius: 3.7

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.96 AU - 10.7 AU

Year: 18695 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,431,107 km

• M1: 46,076 km (0.119 R)
• M2: 205,847 km (0.117 R)
• M3: 335,249 km (0.108 R)
• M4: 900,280 km (0.114 R)
• M5: 1,639,742 km (0.077 R)
• M6: 2,674,810 km (0.053 R)
• M7: 3,814,895 km (0.055 R)
• M8: 4,713,829 km (0.053 R)
• M9: 4,990,136 km (0.063 R)
• M10: 5,148,261 km (0.11 R)
• M11: 5,375,201 km (0.099 R)
• M12: 6,763,918 km (0.052 R)
• M13: 6,957,647 km (0.107 R)
• M14: 10,275,728 km (0.117 R)
• M15: 10,480,378 km (0.054 R)
• M16: 16,452,475 km (0.1 R)
• M17: 28,657,716 km (0.042 R)
• M18: 29,267,178 km (0.111 R)
• M19: 36,908,787 km (0.084 R)
• M20: 38,852,811 km (0.09 R)
• M21: 39,224,711 km (0.084 R)
• M22: 42,943,415 km (0.115 R)
• M23: 43,474,188 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.7

Radius: 7.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.99 AU - 10.95 AU

Year: 22224 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,431,107 km

• M1: 179,817 km (0.055 R)
• M2: 462,407 km (0.057 R)
• M3: 1,512,584 km (0.057 R)
• M4: 5,267,191 km (0.027 R)
• M5: 6,213,847 km (0.045 R)
• M6: 11,814,492 km (0.079 R)
• M7: 15,619,813 km (0.072 R)
• M8: 17,555,161 km (0.043 R)
• M9: 18,455,441 km (0.099 R)
• M10: 23,034,631 km (0.09 R)
• M11: 25,224,445 km (0.117 R)
• M12: 28,317,979 km (0.066 R)
• M13: 33,480,751 km (0.079 R)
• M14: 56,265,255 km (0.099 R)
• M15: 56,616,661 km (0.053 R)
• M16: 62,628,849 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.3

Radius: 7.1

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.38 AU - 12.14 AU

Year: 23154 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,431,107 km

• M1: 88,412 km (0.104 R)
• M2: 390,450 km (0.115 R)
• M3: 613,650 km (0.085 R)
• M4: 962,064 km (0.094 R)
• M5: 1,587,832 km (0.038 R)
• M6: 1,979,778 km (0.12 R)
• M7: 2,411,368 km (0.118 R)
• M8: 2,775,041 km (0.079 R)
• M9: 4,257,406 km (0.033 R)
• M10: 6,747,462 km (0.106 R)
• M11: 7,774,003 km (0.091 R)
• M12: 8,901,073 km (0.037 R)
• M13: 10,886,237 km (0.105 R)
• M14: 11,342,361 km (0.098 R)
• M15: 11,879,268 km (0.082 R)
• M16: 13,003,795 km (0.102 R)
• M17: 20,977,810 km (0.08 R)
• M18: 22,931,708 km (0.113 R)
• M19: 29,768,181 km (0.075 R)
• M20: 30,917,841 km (0.07 R)
• M21: 31,569,040 km (0.078 R)
• M22: 33,305,273 km (0.12 R)
• M23: 45,915,027 km (0.041 R)
• M24: 50,616,140 km (0.077 R)
• M25: 64,912,162 km (0.114 R)
• M26: 67,058,442 km (0.118 R)
• M27: 67,493,323 km (0.053 R)
• M28: 68,588,679 km (0.118 R)
• M29: 69,918,754 km (0.12 R)
• M30: 77,065,642 km (0.08 R)
• M31: 81,184,371 km (0.108 R)
• M32: 84,178,273 km (0.083 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: 285 - 13,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit