🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.43 AU - 0.59 AU

Year: 239 Days

Day: 19.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.6

Radius: 13.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 376 Days

Day: 9.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,403,253 km

• M1: 168,746 km (0.088 R)
• M2: 896,241 km (0.068 R)
• M3: 1,537,268 km (0.109 R)
• M4: 1,961,677 km (0.076 R)
• M5: 2,820,219 km (0.099 R)
• M6: 3,478,150 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 10.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.88 AU - 0.88 AU

Year: 542 Days

Day: 12.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,403,253 km

• M1: 128,056 km (0.103 R)
• M2: 489,335 km (0.026 R)
• M3: 969,394 km (0.117 R)
• M4: 1,881,044 km (0.065 R)
• M5: 2,246,362 km (0.1 R)
• M6: 2,711,461 km (0.09 R)
• M7: 3,110,589 km (0.083 R)
• M8: 3,498,047 km (0.114 R)
• M9: 3,890,592 km (0.103 R)
• M10: 5,099,941 km (0.112 R)
• M11: 5,502,359 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 12.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.25 AU - 1.31 AU

Year: 950 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,403,253 km

• M1: 159,172 km (0.113 R)
• M2: 1,036,264 km (0.062 R)
• M3: 1,795,623 km (0.051 R)
• M4: 2,714,902 km (0.112 R)
• M5: 3,538,887 km (0.104 R)
• M6: 4,066,519 km (0.086 R)
• M7: 4,631,101 km (0.082 R)
• M8: 5,453,142 km (0.057 R)
• M9: 6,179,140 km (0.116 R)
• M10: 6,644,988 km (0.09 R)
• M11: 7,071,791 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 12.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.43 AU - 3.29 AU

Year: 3173 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,403,253 km

• M1: 160,519 km (0.118 R)
• M2: 836,850 km (0.096 R)
• M3: 1,281,306 km (0.037 R)
• M4: 1,728,155 km (0.104 R)
• M5: 3,036,538 km (0.112 R)
• M6: 3,523,179 km (0.115 R)
• M7: 4,679,272 km (0.082 R)
• M8: 5,202,116 km (0.103 R)
• M9: 5,626,526 km (0.116 R)
• M10: 6,697,646 km (0.111 R)
• M11: 7,528,513 km (0.041 R)
• M12: 9,089,866 km (0.103 R)
• M13: 10,772,692 km (0.101 R)
• M14: 11,377,367 km (0.102 R)
• M15: 13,823,741 km (0.112 R)
• M16: 14,642,191 km (0.111 R)
• M17: 17,823,240 km (0.081 R)
• M18: 18,243,161 km (0.06 R)
• M19: 19,797,633 km (0.07 R)
• M20: 21,237,213 km (0.112 R)
• M21: 23,382,596 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 8.2

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.65 AU - 3.19 AU

Year: 3273 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,403,253 km

• M1: 102,026 km (0.11 R)
• M2: 392,994 km (0.067 R)
• M3: 836,102 km (0.097 R)
• M4: 1,624,034 km (0.049 R)
• M5: 2,221,678 km (0.077 R)
• M6: 2,685,581 km (0.102 R)
• M7: 2,976,100 km (0.077 R)
• M8: 3,364,307 km (0.089 R)
• M9: 4,614,047 km (0.073 R)
• M10: 5,083,934 km (0.082 R)
• M11: 6,003,961 km (0.112 R)
• M12: 7,062,815 km (0.112 R)
• M13: 7,721,195 km (0.068 R)
• M14: 8,383,913 km (0.069 R)
• M15: 9,545,691 km (0.091 R)
• M16: 10,600,056 km (0.112 R)
• M17: 11,865,654 km (0.102 R)
• M18: 15,009,753 km (0.026 R)
• M19: 16,263,533 km (0.065 R)
• M20: 16,715,468 km (0.117 R)
• M21: 17,002,247 km (0.112 R)
• M22: 18,792,485 km (0.072 R)
• M23: 19,733,006 km (0.103 R)
• M24: 20,377,324 km (0.118 R)
• M25: 21,504,694 km (0.068 R)
• M26: 21,912,348 km (0.075 R)
• M27: 22,463,915 km (0.119 R)
• M28: 23,738,789 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.1

Radius: 14.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.35 AU - 3.75 AU

Year: 4388 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,403,253 km

• M1: 182,360 km (0.078 R)
• M2: 722,259 km (0.088 R)
• M3: 1,254,677 km (0.102 R)
• M4: 2,040,515 km (0.074 R)
• M5: 4,524,737 km (0.088 R)
• M6: 5,398,538 km (0.062 R)
• M7: 6,573,480 km (0.09 R)
• M8: 10,943,832 km (0.042 R)
• M9: 12,270,167 km (0.105 R)
• M10: 13,385,569 km (0.028 R)
• M11: 16,469,678 km (0.109 R)
• M12: 16,954,675 km (0.115 R)
• M13: 17,637,140 km (0.1 R)
• M14: 18,532,334 km (0.072 R)
• M15: 19,659,703 km (0.084 R)
• M16: 20,413,377 km (0.095 R)
• M17: 21,186,050 km (0.057 R)
• M18: 22,197,631 km (0.082 R)
• M19: 23,014,884 km (0.074 R)
• M20: 24,552,302 km (0.091 R)
• M21: 25,026,527 km (0.084 R)
• M22: 25,749,384 km (0.107 R)
• M23: 27,490,404 km (0.091 R)
• M24: 28,087,748 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 14

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.49 AU - 5.01 AU

Year: 5748 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,403,253 km

• M1: 184,155 km (0.102 R)
• M2: 704,307 km (0.099 R)
• M3: 1,342,192 km (0.085 R)
• M4: 1,886,728 km (0.085 R)
• M5: 2,933,016 km (0.094 R)
• M6: 4,535,059 km (0.067 R)
• M7: 7,200,146 km (0.116 R)
• M8: 7,768,019 km (0.097 R)
• M9: 9,319,648 km (0.107 R)
• M10: 10,345,142 km (0.092 R)
• M11: 13,363,578 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.4

Radius: 5.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.29 AU - 9.59 AU

Year: 14677 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,403,253 km

• M1: 74,649 km (0.104 R)
• M2: 286,330 km (0.1 R)
• M3: 569,968 km (0.118 R)
• M4: 945,907 km (0.107 R)
• M5: 2,639,505 km (0.102 R)
• M6: 3,501,787 km (0.089 R)
• M7: 4,563,633 km (0.111 R)
• M8: 4,952,138 km (0.106 R)
• M9: 5,648,217 km (0.072 R)
• M10: 10,569,987 km (0.093 R)
• M11: 14,865,540 km (0.075 R)
• M12: 16,964,847 km (0.092 R)
• M13: 18,598,456 km (0.116 R)
• M14: 19,253,844 km (0.059 R)
• M15: 25,061,383 km (0.113 R)
• M16: 26,185,013 km (0.112 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: 376 - 13,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit