🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.47 AU - 0.55 AU

Year: 235 Days

Day: 28.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 15

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.72 AU - 3.12 AU

Year: 3222 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,257,064 km

• M1: 186,549 km (0.116 R)
• M2: 669,600 km (0.061 R)
• M3: 1,138,440 km (0.057 R)
• M4: 1,965,118 km (0.112 R)
• M5: 2,508,008 km (0.112 R)
• M6: 3,333,639 km (0.055 R)
• M7: 3,987,681 km (0.099 R)
• M8: 5,141,978 km (0.068 R)
• M9: 6,103,743 km (0.077 R)
• M10: 6,779,177 km (0.064 R)
• M11: 7,936,317 km (0.079 R)
• M12: 9,221,512 km (0.099 R)
• M13: 11,447,678 km (0.074 R)
• M14: 14,465,815 km (0.051 R)
• M15: 16,379,172 km (0.079 R)
• M16: 17,167,104 km (0.05 R)
• M17: 18,818,814 km (0.089 R)
• M18: 21,491,828 km (0.11 R)
• M19: 22,505,204 km (0.079 R)
• M20: 23,905,590 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 14.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.67 AU - 4.01 AU

Year: 3941 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,257,064 km

• M1: 179,069 km (0.099 R)
• M2: 644,019 km (0.083 R)
• M3: 1,109,717 km (0.064 R)
• M4: 1,651,261 km (0.084 R)
• M5: 2,534,487 km (0.054 R)
• M6: 3,006,618 km (0.032 R)
• M7: 3,635,527 km (0.097 R)
• M8: 4,441,710 km (0.103 R)
• M9: 5,160,079 km (0.069 R)
• M10: 6,038,817 km (0.096 R)
• M11: 6,708,717 km (0.116 R)
• M12: 8,620,428 km (0.089 R)
• M13: 9,094,653 km (0.094 R)
• M14: 9,741,215 km (0.111 R)
• M15: 10,873,072 km (0.046 R)
• M16: 15,531,849 km (0.072 R)
• M17: 17,708,648 km (0.043 R)
• M18: 18,417,742 km (0.07 R)
• M19: 19,578,921 km (0.106 R)
• M20: 21,711,139 km (0.055 R)
• M21: 22,798,865 km (0.118 R)
• M22: 23,638,259 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 8.9

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.31 AU - 3.69 AU

Year: 4228 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,257,064 km

• M1: 110,852 km (0.071 R)
• M2: 447,148 km (0.103 R)
• M3: 853,755 km (0.027 R)
• M4: 1,153,100 km (0.075 R)
• M5: 1,796,521 km (0.112 R)
• M6: 2,378,457 km (0.072 R)
• M7: 2,930,173 km (0.117 R)
• M8: 3,522,731 km (0.049 R)
• M9: 4,029,269 km (0.118 R)
• M10: 4,866,419 km (0.085 R)
• M11: 5,552,774 km (0.073 R)
• M12: 5,964,318 km (0.093 R)
• M13: 6,523,514 km (0.105 R)
• M14: 7,185,186 km (0.104 R)
• M15: 9,773,079 km (0.114 R)
• M16: 10,954,005 km (0.089 R)
• M17: 12,081,374 km (0.112 R)
• M18: 14,021,808 km (0.096 R)
• M19: 15,009,902 km (0.085 R)
• M20: 15,636,119 km (0.058 R)
• M21: 17,682,319 km (0.069 R)
• M22: 17,997,671 km (0.096 R)
• M23: 18,704,521 km (0.09 R)
• M24: 20,936,222 km (0.053 R)
• M25: 22,225,456 km (0.112 R)
• M26: 24,882,614 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 8.3

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.46 AU - 4.08 AU

Year: 4726 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,257,064 km

• M1: 103,223 km (0.118 R)
• M2: 419,772 km (0.105 R)
• M3: 711,188 km (0.107 R)
• M4: 1,272,330 km (0.082 R)
• M5: 2,102,598 km (0.12 R)
• M6: 3,741,293 km (0.112 R)
• M7: 4,676,878 km (0.079 R)
• M8: 5,048,180 km (0.116 R)
• M9: 5,760,416 km (0.052 R)
• M10: 6,187,667 km (0.083 R)
• M11: 6,767,658 km (0.065 R)
• M12: 7,705,338 km (0.067 R)
• M13: 8,687,448 km (0.09 R)
• M14: 8,965,700 km (0.077 R)
• M15: 10,138,397 km (0.109 R)
• M16: 11,082,809 km (0.104 R)
• M17: 13,197,823 km (0.063 R)
• M18: 13,940,876 km (0.104 R)
• M19: 14,936,749 km (0.097 R)
• M20: 17,444,009 km (0.089 R)
• M21: 18,079,950 km (0.096 R)
• M22: 18,338,605 km (0.102 R)
• M23: 19,129,379 km (0.082 R)
• M24: 22,224,409 km (0.079 R)
• M25: 25,233,421 km (0.12 R)
• M26: 25,719,315 km (0.111 R)
• M27: 28,942,550 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 12.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.82 AU - 6.42 AU

Year: 8602 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,257,064 km

• M1: 150,495 km (0.069 R)
• M2: 550,670 km (0.11 R)
• M3: 1,061,098 km (0.097 R)
• M4: 1,699,432 km (0.119 R)
• M5: 2,846,249 km (0.066 R)
• M6: 4,603,575 km (0.083 R)
• M7: 5,669,909 km (0.084 R)
• M8: 7,977,905 km (0.1 R)
• M9: 10,582,254 km (0.101 R)
• M10: 12,058,785 km (0.11 R)
• M11: 12,770,123 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.9

Radius: 5.3

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.65 AU - 7.11 AU

Year: 11652 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,257,064 km

• M1: 66,421 km (0.117 R)
• M2: 322,683 km (0.101 R)
• M3: 705,504 km (0.043 R)
• M4: 913,445 km (0.069 R)
• M5: 1,278,763 km (0.086 R)
• M6: 1,970,054 km (0.111 R)
• M7: 2,501,276 km (0.115 R)
• M8: 4,105,265 km (0.108 R)
• M9: 5,439,079 km (0.054 R)
• M10: 6,186,171 km (0.081 R)
• M11: 6,770,949 km (0.102 R)
• M12: 7,552,897 km (0.105 R)
• M13: 10,060,606 km (0.059 R)
• M14: 13,132,299 km (0.039 R)
• M15: 15,495,198 km (0.071 R)
• M16: 16,228,826 km (0.03 R)
• M17: 18,200,077 km (0.046 R)
• M18: 21,123,070 km (0.111 R)
• M19: 21,447,847 km (0.03 R)
• M20: 24,433,371 km (0.089 R)
• M21: 27,491,302 km (0.1 R)
• M22: 30,484,306 km (0.106 R)
• M23: 34,130,904 km (0.045 R)
• M24: 38,057,698 km (0.072 R)
• M25: 41,004,178 km (0.113 R)
• M26: 42,019,050 km (0.091 R)
• M27: 44,099,059 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.9

Radius: 3.1

Gravity: 100.41 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.33 AU - 11.37 AU

Year: 23076 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,257,064 km

• M1: 40,541 km (0.104 R)
• M2: 153,487 km (0.083 R)
• M3: 361,428 km (0.079 R)
• M4: 459,864 km (0.084 R)
• M5: 2,278,974 km (0.108 R)
• M6: 3,054,639 km (0.061 R)
• M7: 3,533,203 km (0.111 R)
• M8: 5,474,684 km (0.105 R)
• M9: 5,907,022 km (0.034 R)
• M10: 6,041,211 km (0.059 R)
• M11: 6,597,715 km (0.086 R)
• M12: 7,037,084 km (0.115 R)
• M13: 7,391,930 km (0.095 R)
• M14: 8,528,425 km (0.057 R)
• M15: 10,938,297 km (0.063 R)
• M16: 12,775,060 km (0.112 R)
• M17: 13,765,996 km (0.117 R)
• M18: 14,971,904 km (0.066 R)
• M19: 15,558,029 km (0.116 R)
• M20: 17,316,702 km (0.117 R)
• M21: 18,623,589 km (0.118 R)
• M22: 22,608,427 km (0.118 R)
• M23: 24,053,393 km (0.041 R)
• M24: 25,323,180 km (0.095 R)
• M25: 28,755,553 km (0.1 R)
• M26: 30,052,716 km (0.109 R)
• M27: 30,449,450 km (0.113 R)
• M28: 30,849,624 km (0.075 R)
• M29: 32,346,800 km (0.036 R)
• M30: 49,147,837 km (0.032 R)
• M31: 50,252,767 km (0.105 R)
• M32: 53,860,769 km (0.09 R)
• M33: 59,486,696 km (0.075 R)
• M34: 65,270,449 km (0.048 R)
• M35: 72,596,855 km (0.091 R)
• M36: 78,188,374 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.3

Radius: 3.3

Gravity: 47.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.59 AU - 11.39 AU

Year: 23524 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,257,064 km

• M1: 61,335 km (0.061 R)
• M2: 328,517 km (0.078 R)
• M3: 554,111 km (0.093 R)
• M4: 797,805 km (0.116 R)
• M5: 1,478,027 km (0.071 R)
• M6: 1,924,277 km (0.087 R)
• M7: 2,341,356 km (0.102 R)
• M8: 2,454,452 km (0.049 R)
• M9: 2,740,932 km (0.1 R)
• M10: 3,524,825 km (0.115 R)
• M11: 3,984,090 km (0.105 R)
• M12: 5,132,553 km (0.118 R)
• M13: 7,030,502 km (0.07 R)
• M14: 9,635,300 km (0.04 R)
• M15: 10,344,244 km (0.085 R)
• M16: 15,341,860 km (0.12 R)
• M17: 18,712,150 km (0.071 R)
• M18: 22,341,395 km (0.092 R)
• M19: 22,646,425 km (0.104 R)
• M20: 23,368,833 km (0.103 R)
• M21: 34,340,042 km (0.066 R)
• M22: 36,966,681 km (0.062 R)
• M23: 43,399,090 km (0.069 R)
• M24: 55,957,084 km (0.038 R)
• M25: 58,999,455 km (0.062 R)
• M26: 61,352,331 km (0.087 R)
• M27: 61,551,146 km (0.106 R)
• M28: 72,050,822 km (0.069 R)
• M29: 72,716,084 km (0.081 R)
• M30: 74,736,852 km (0.089 R)
• M31: 77,025,700 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 12,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit