🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 30.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 12.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.38 AU - 2.18 AU

Year: 1558 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,773,425 km

• M1: 159,172 km (0.063 R)
• M2: 580,589 km (0.088 R)
• M3: 1,069,924 km (0.113 R)
• M4: 1,709,156 km (0.066 R)
• M5: 2,354,670 km (0.09 R)
• M6: 3,321,821 km (0.107 R)
• M7: 3,875,632 km (0.074 R)
• M8: 5,840,600 km (0.067 R)
• M9: 7,648,191 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 14.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.29 AU - 3.53 AU

Year: 3256 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,773,425 km

• M1: 188,793 km (0.082 R)
• M2: 702,811 km (0.044 R)
• M3: 2,232,150 km (0.092 R)
• M4: 3,390,486 km (0.031 R)
• M5: 5,624,880 km (0.094 R)
• M6: 8,154,580 km (0.035 R)
• M7: 9,256,368 km (0.071 R)
• M8: 11,409,830 km (0.087 R)
• M9: 12,880,377 km (0.089 R)
• M10: 13,928,609 km (0.082 R)
• M11: 15,084,701 km (0.081 R)
• M12: 15,659,756 km (0.1 R)
• M13: 17,645,069 km (0.102 R)
• M14: 20,293,400 km (0.078 R)
• M15: 22,990,500 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.6

Radius: 13.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.77 AU - 3.11 AU

Year: 3307 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,773,425 km

• M1: 167,998 km (0.045 R)
• M2: 600,037 km (0.069 R)
• M3: 1,067,231 km (0.07 R)
• M4: 1,631,514 km (0.119 R)
• M5: 2,322,657 km (0.106 R)
• M6: 2,801,071 km (0.119 R)
• M7: 3,511,062 km (0.065 R)
• M8: 4,626,763 km (0.096 R)
• M9: 5,144,372 km (0.096 R)
• M10: 5,648,367 km (0.045 R)
• M11: 7,024,368 km (0.115 R)
• M12: 7,646,396 km (0.085 R)
• M13: 8,509,875 km (0.085 R)
• M14: 10,750,402 km (0.053 R)
• M15: 13,500,609 km (0.045 R)
• M16: 14,024,950 km (0.078 R)
• M17: 15,994,556 km (0.045 R)
• M18: 19,677,356 km (0.082 R)
• M19: 20,104,907 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 10.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.85 AU - 6.41 AU

Year: 7622 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,773,425 km

• M1: 144,960 km (0.054 R)
• M2: 806,333 km (0.107 R)
• M3: 1,825,992 km (0.117 R)
• M4: 3,538,289 km (0.105 R)
• M5: 4,941,816 km (0.11 R)
• M6: 6,813,435 km (0.108 R)
• M7: 8,140,967 km (0.049 R)
• M8: 11,758,093 km (0.12 R)
• M9: 17,389,855 km (0.092 R)
• M10: 25,288,772 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.4

Radius: 7.5

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.15 AU - 6.79 AU

Year: 9569 Days

Day: 17.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 105.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,773,425 km

• M1: 93,349 km (0.081 R)
• M2: 335,997 km (0.113 R)
• M3: 597,943 km (0.082 R)
• M4: 972,985 km (0.111 R)
• M5: 1,956,142 km (0.075 R)
• M6: 2,429,769 km (0.055 R)
• M7: 2,935,709 km (0.098 R)
• M8: 3,348,449 km (0.038 R)
• M9: 3,949,982 km (0.09 R)
• M10: 4,621,228 km (0.113 R)
• M11: 4,910,101 km (0.116 R)
• M12: 5,180,425 km (0.067 R)
• M13: 5,620,841 km (0.066 R)
• M14: 6,433,456 km (0.088 R)
• M15: 7,130,433 km (0.11 R)
• M16: 8,374,489 km (0.096 R)
• M17: 9,159,878 km (0.041 R)
• M18: 10,725,868 km (0.084 R)
• M19: 15,890,136 km (0.085 R)
• M20: 18,423,277 km (0.066 R)
• M21: 20,433,274 km (0.098 R)
• M22: 21,531,173 km (0.111 R)
• M23: 28,859,374 km (0.05 R)
• M24: 30,240,013 km (0.098 R)
• M25: 35,418,642 km (0.052 R)
• M26: 36,657,462 km (0.073 R)
• M27: 38,275,363 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.1

Radius: 7.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.9 AU - 7.26 AU

Year: 12358 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,773,425 km

• M1: 124,615 km (0.102 R)
• M2: 568,771 km (0.046 R)
• M3: 900,280 km (0.111 R)
• M4: 1,334,712 km (0.114 R)
• M5: 1,710,053 km (0.114 R)
• M6: 3,680,407 km (0.059 R)
• M7: 4,220,754 km (0.104 R)
• M8: 4,497,361 km (0.057 R)
• M9: 4,732,529 km (0.089 R)
• M10: 6,097,609 km (0.099 R)
• M11: 6,517,530 km (0.071 R)
• M12: 6,751,502 km (0.059 R)
• M13: 7,523,726 km (0.12 R)
• M14: 9,495,575 km (0.086 R)
• M15: 9,927,614 km (0.093 R)
• M16: 12,136,426 km (0.076 R)
• M17: 14,824,700 km (0.089 R)
• M18: 17,756,070 km (0.103 R)
• M19: 24,014,049 km (0.09 R)
• M20: 25,223,547 km (0.084 R)
• M21: 25,635,690 km (0.074 R)
• M22: 26,898,744 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.3

Radius: 5.2

Gravity: 31.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.92 AU - 9.78 AU

Year: 15828 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,773,425 km

• M1: 72,854 km (0.085 R)
• M2: 281,543 km (0.117 R)
• M3: 674,088 km (0.09 R)
• M4: 848,220 km (0.108 R)
• M5: 1,040,453 km (0.059 R)
• M6: 1,206,956 km (0.088 R)
• M7: 1,467,406 km (0.096 R)
• M8: 2,121,298 km (0.1 R)
• M9: 2,952,164 km (0.101 R)
• M10: 3,263,029 km (0.043 R)
• M11: 3,682,202 km (0.104 R)
• M12: 3,920,063 km (0.095 R)
• M13: 5,378,193 km (0.12 R)
• M14: 5,568,482 km (0.059 R)
• M15: 6,043,305 km (0.088 R)
• M16: 6,290,740 km (0.07 R)
• M17: 8,066,616 km (0.043 R)
• M18: 8,316,146 km (0.109 R)
• M19: 8,570,761 km (0.114 R)
• M20: 11,225,226 km (0.11 R)
• M21: 12,241,145 km (0.069 R)
• M22: 12,974,175 km (0.089 R)
• M23: 13,665,616 km (0.069 R)
• M24: 13,877,895 km (0.106 R)
• M25: 14,748,405 km (0.08 R)
• M26: 16,043,324 km (0.071 R)
• M27: 23,064,401 km (0.114 R)
• M28: 23,974,704 km (0.101 R)
• M29: 27,970,164 km (0.102 R)
• M30: 31,765,163 km (0.1 R)
• M31: 33,914,436 km (0.032 R)
• M32: 36,836,980 km (0.082 R)
• M33: 44,869,039 km (0.085 R)
• M34: 50,713,080 km (0.045 R)
• M35: 55,954,690 km (0.068 R)
• M36: 59,642,726 km (0.058 R)
• M37: 60,589,382 km (0.105 R)
• M38: 62,707,239 km (0.08 R)
• M39: 69,773,494 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 14,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit