🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.52 AU - 0.68 AU

Year: 171 Days

Day: 21.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 81,871,370 km

• M1: 11,519 km (0.109 R)
• M2: 31,416 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.57 AU - 5.01 AU

Year: 3278 Days

Day: 18.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 9.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.54 AU - 6.38 AU

Year: 4707 Days

Day: 8.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,871,370 km

• M1: 118,182 km (0.076 R)
• M2: 525,388 km (0.114 R)
• M3: 961,765 km (0.109 R)
• M4: 2,113,519 km (0.109 R)
• M5: 2,638,009 km (0.11 R)
• M6: 3,301,924 km (0.1 R)
• M7: 4,697,972 km (0.085 R)
• M8: 5,410,805 km (0.058 R)
• M9: 10,057,764 km (0.101 R)
• M10: 11,155,214 km (0.11 R)
• M11: 11,711,269 km (0.11 R)
• M12: 16,351,197 km (0.117 R)
• M13: 17,463,906 km (0.108 R)
• M14: 18,213,840 km (0.1 R)
• M15: 22,693,099 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 14.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.48 AU - 7.52 AU

Year: 7578 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,871,370 km

• M1: 179,966 km (0.094 R)
• M2: 898,634 km (0.08 R)
• M3: 1,600,847 km (0.106 R)
• M4: 2,102,448 km (0.087 R)
• M5: 2,653,417 km (0.055 R)
• M6: 3,546,517 km (0.113 R)
• M7: 4,152,986 km (0.075 R)
• M8: 5,059,250 km (0.092 R)
• M9: 6,228,208 km (0.085 R)
• M10: 7,078,373 km (0.096 R)
• M11: 7,884,406 km (0.106 R)
• M12: 11,019,978 km (0.067 R)
• M13: 12,371,894 km (0.111 R)
• M14: 13,542,497 km (0.031 R)
• M15: 14,184,421 km (0.092 R)
• M16: 15,278,730 km (0.092 R)
• M17: 15,974,809 km (0.072 R)
• M18: 16,957,816 km (0.092 R)
• M19: 18,900,494 km (0.111 R)
• M20: 21,297,800 km (0.117 R)
• M21: 24,314,890 km (0.119 R)
• M22: 25,615,494 km (0.1 R)
• M23: 28,449,925 km (0.112 R)
• M24: 29,698,468 km (0.096 R)
• M25: 33,347,011 km (0.081 R)
• M26: 36,607,497 km (0.111 R)
• M27: 37,397,822 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 4.3

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 13.53 AU - 14.81 AU

Year: 19680 Days

Day: 16.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,871,370 km

• M1: 54,154 km (0.07 R)
• M2: 492,177 km (0.082 R)
• M3: 666,907 km (0.098 R)
• M4: 938,278 km (0.066 R)
• M5: 1,131,558 km (0.086 R)
• M6: 1,968,708 km (0.11 R)
• M7: 2,123,991 km (0.07 R)
• M8: 2,828,597 km (0.102 R)
• M9: 3,423,248 km (0.095 R)
• M10: 3,853,641 km (0.088 R)
• M11: 4,159,868 km (0.111 R)
• M12: 4,890,803 km (0.034 R)
• M13: 5,140,332 km (0.119 R)
• M14: 6,517,530 km (0.05 R)
• M15: 9,365,126 km (0.08 R)
• M16: 12,546,025 km (0.077 R)
• M17: 13,423,567 km (0.055 R)
• M18: 13,842,141 km (0.028 R)
• M19: 21,019,698 km (0.101 R)
• M20: 24,556,341 km (0.114 R)
• M21: 26,356,302 km (0.086 R)
• M22: 27,343,948 km (0.118 R)
• M23: 30,216,376 km (0.118 R)
• M24: 31,055,172 km (0.065 R)
• M25: 33,537,599 km (0.114 R)
• M26: 33,792,813 km (0.109 R)
• M27: 42,962,564 km (0.1 R)
• M28: 43,718,033 km (0.1 R)
• M29: 47,789,489 km (0.071 R)
• M30: 50,751,676 km (0.073 R)
• M31: 50,919,674 km (0.072 R)
• M32: 52,792,939 km (0.048 R)
• M33: 54,711,532 km (0.053 R)
• M34: 62,851,451 km (0.109 R)
• M35: 66,200,947 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.6

Radius: 5.3

Gravity: 32.88 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.54 AU - 20.02 AU

Year: 25361 Days

Day: 16 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,871,370 km

• M1: 65,973 km (0.115 R)
• M2: 378,483 km (0.118 R)
• M3: 549,473 km (0.025 R)
• M4: 1,044,044 km (0.087 R)
• M5: 1,376,001 km (0.04 R)
• M6: 2,203,128 km (0.119 R)
• M7: 2,696,502 km (0.073 R)
• M8: 3,026,215 km (0.053 R)
• M9: 3,507,023 km (0.069 R)
• M10: 3,933,975 km (0.067 R)
• M11: 4,249,328 km (0.07 R)
• M12: 5,381,185 km (0.1 R)
• M13: 6,507,059 km (0.096 R)
• M14: 7,620,665 km (0.025 R)
• M15: 9,214,331 km (0.097 R)
• M16: 9,520,558 km (0.107 R)
• M17: 9,770,536 km (0.118 R)
• M18: 11,432,718 km (0.072 R)
• M19: 11,644,100 km (0.062 R)
• M20: 12,441,457 km (0.095 R)
• M21: 15,735,153 km (0.097 R)
• M22: 18,580,504 km (0.061 R)
• M23: 18,970,955 km (0.034 R)
• M24: 20,587,659 km (0.115 R)
• M25: 21,536,259 km (0.082 R)
• M26: 23,977,248 km (0.094 R)
• M27: 25,264,238 km (0.026 R)
• M28: 39,301,904 km (0.106 R)
• M29: 40,431,966 km (0.107 R)
• M30: 54,327,514 km (0.117 R)
• M31: 59,022,643 km (0.08 R)
• M32: 61,576,428 km (0.105 R)
• M33: 62,226,132 km (0.047 R)
• M34: 63,981,065 km (0.118 R)
• M35: 68,512,534 km (0.071 R)
• M36: 70,147,638 km (0.114 R)
• M37: 71,093,695 km (0.073 R)
• M38: 84,176,179 km (0.088 R)
• M39: 89,884,385 km (0.105 R)
• M40: 90,720,338 km (0.096 R)
• M41: 92,407,802 km (0.079 R)
• M42: 92,974,927 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.7

Radius: 7.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 14.94 AU - 19.88 AU

Year: 26803 Days

Day: 21.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,871,370 km

• M1: 98,585 km (0.081 R)
• M2: 484,847 km (0.106 R)
• M3: 730,486 km (0.076 R)
• M4: 991,235 km (0.113 R)
• M5: 1,963,322 km (0.109 R)
• M6: 2,882,302 km (0.072 R)
• M7: 3,409,635 km (0.115 R)
• M8: 3,755,954 km (0.103 R)
• M9: 4,973,830 km (0.058 R)
• M10: 5,893,109 km (0.077 R)
• M11: 8,839,289 km (0.078 R)
• M12: 10,840,610 km (0.11 R)
• M13: 12,044,873 km (0.088 R)
• M14: 13,195,879 km (0.054 R)
• M15: 18,363,139 km (0.08 R)
• M16: 19,068,941 km (0.109 R)
• M17: 19,610,037 km (0.098 R)
• M18: 26,813,623 km (0.109 R)
• M19: 28,183,341 km (0.036 R)
• M20: 36,837,279 km (0.083 R)
• M21: 43,755,283 km (0.077 R)
• M22: 50,456,669 km (0.096 R)
• M23: 65,033,336 km (0.05 R)
• M24: 72,179,925 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.7

Radius: 5.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 16.09 AU - 19.63 AU

Year: 27848 Days

Day: 21.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,871,370 km

• M1: 74,649 km (0.091 R)
• M2: 498,610 km (0.113 R)
• M3: 988,543 km (0.049 R)
• M4: 1,742,666 km (0.075 R)
• M5: 2,604,349 km (0.044 R)
• M6: 6,225,665 km (0.072 R)
• M7: 10,511,046 km (0.119 R)
• M8: 11,394,870 km (0.113 R)
• M9: 13,607,871 km (0.104 R)
• M10: 13,910,956 km (0.087 R)
• M11: 22,269,139 km (0.118 R)
• M12: 22,945,172 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.3

Radius: 3.6

Gravity: 29.73 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 16.56 AU - 20.78 AU

Year: 29764 Days

Day: 24 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,871,370 km

• M1: 45,179 km (0.116 R)
• M2: 189,690 km (0.097 R)
• M3: 309,967 km (0.096 R)
• M4: 432,787 km (0.064 R)
• M5: 1,308,084 km (0.094 R)
• M6: 1,709,604 km (0.114 R)
• M7: 3,736,656 km (0.088 R)
• M8: 5,203,463 km (0.114 R)
• M9: 5,561,450 km (0.111 R)
• M10: 6,550,592 km (0.091 R)
• M11: 9,094,204 km (0.104 R)
• M12: 9,322,191 km (0.067 R)
• M13: 9,437,681 km (0.084 R)
• M14: 9,612,710 km (0.114 R)
• M15: 16,175,868 km (0.102 R)
• M16: 18,345,187 km (0.095 R)
• M17: 19,830,843 km (0.115 R)
• M18: 20,311,053 km (0.081 R)
• M19: 22,620,245 km (0.118 R)
• M20: 22,828,934 km (0.046 R)
• M21: 23,250,202 km (0.076 R)
• M22: 25,547,277 km (0.089 R)
• M23: 30,459,323 km (0.04 R)
• M24: 37,693,128 km (0.105 R)
• M25: 39,627,279 km (0.105 R)
• M26: 43,692,003 km (0.117 R)
• M27: 45,824,820 km (0.05 R)
• M28: 47,341,293 km (0.108 R)
• M29: 48,890,978 km (0.114 R)
• M30: 49,065,259 km (0.056 R)
• M31: 61,099,062 km (0.084 R)
• M32: 62,523,682 km (0.116 R)
• M33: 66,715,414 km (0.064 R)
• M34: 68,879,946 km (0.112 R)
• M35: 72,213,735 km (0.047 R)
• M36: 72,893,058 km (0.116 R)
• M37: 74,494,952 km (0.099 R)
• M38: 74,956,911 km (0.055 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 17,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit