🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.5 AU - 0.5 AU

Year: 232 Days

Day: 30.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 9.6

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.56 AU - 0.92 AU

Year: 418 Days

Day: 13 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,131,318 km

• M1: 119,379 km (0.07 R)
• M2: 592,108 km (0.115 R)
• M3: 941,868 km (0.114 R)
• M4: 1,257,520 km (0.096 R)
• M5: 1,770,940 km (0.096 R)
• M6: 2,094,520 km (0.112 R)
• M7: 2,410,171 km (0.055 R)
• M8: 3,037,435 km (0.08 R)
• M9: 3,493,110 km (0.085 R)
• M10: 3,913,779 km (0.108 R)
• M11: 4,586,072 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 14.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 8.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,131,318 km

• M1: 184,005 km (0.102 R)
• M2: 968,945 km (0.102 R)
• M3: 1,500,018 km (0.111 R)
• M4: 1,987,557 km (0.075 R)
• M5: 2,454,452 km (0.113 R)
• M6: 2,944,236 km (0.105 R)
• M7: 3,499,842 km (0.09 R)
• M8: 4,125,460 km (0.119 R)
• M9: 4,767,385 km (0.088 R)
• M10: 5,319,251 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.5

Radius: 9.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.91 AU - 0.99 AU

Year: 607 Days

Day: 13.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,131,318 km

• M1: 123,269 km (0.114 R)
• M2: 464,202 km (0.087 R)
• M3: 1,021,005 km (0.105 R)
• M4: 1,792,033 km (0.109 R)
• M5: 2,551,392 km (0.072 R)
• M6: 3,153,374 km (0.057 R)
• M7: 3,534,998 km (0.098 R)
• M8: 4,556,602 km (0.106 R)
• M9: 5,105,925 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 11.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.42 AU - 3.66 AU

Year: 4369 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,131,318 km

• M1: 146,456 km (0.051 R)
• M2: 555,457 km (0.087 R)
• M3: 921,224 km (0.115 R)
• M4: 1,329,027 km (0.12 R)
• M5: 2,154,359 km (0.036 R)
• M6: 3,080,220 km (0.111 R)
• M7: 3,537,391 km (0.07 R)
• M8: 4,520,848 km (0.096 R)
• M9: 4,966,949 km (0.115 R)
• M10: 8,711,383 km (0.11 R)
• M11: 9,071,764 km (0.074 R)
• M12: 11,663,996 km (0.118 R)
• M13: 12,781,044 km (0.093 R)
• M14: 13,919,334 km (0.109 R)
• M15: 17,970,295 km (0.113 R)
• M16: 18,615,361 km (0.092 R)
• M17: 20,579,880 km (0.09 R)
• M18: 21,481,357 km (0.072 R)
• M19: 22,274,824 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.3

Radius: 9.5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.22 AU - 6.8 AU

Year: 8485 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,131,318 km

• M1: 118,332 km (0.112 R)
• M2: 863,030 km (0.108 R)
• M3: 2,430,517 km (0.095 R)
• M4: 3,168,932 km (0.096 R)
• M5: 3,469,923 km (0.082 R)
• M6: 4,076,542 km (0.105 R)
• M7: 4,993,278 km (0.08 R)
• M8: 6,147,126 km (0.084 R)
• M9: 7,035,289 km (0.082 R)
• M10: 7,550,953 km (0.091 R)
• M11: 9,675,990 km (0.114 R)
• M12: 13,150,102 km (0.111 R)
• M13: 18,468,605 km (0.072 R)
• M14: 19,992,858 km (0.103 R)
• M15: 22,518,519 km (0.105 R)
• M16: 25,066,918 km (0.038 R)
• M17: 27,607,090 km (0.107 R)
• M18: 28,889,294 km (0.035 R)
• M19: 30,833,916 km (0.03 R)
• M20: 31,254,286 km (0.076 R)
• M21: 42,137,681 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466

Radius: 5.6

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.76 AU - 8.72 AU

Year: 12780 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,131,318 km

• M1: 70,311 km (0.108 R)
• M2: 798,703 km (0.116 R)
• M3: 1,694,196 km (0.118 R)
• M4: 1,883,886 km (0.098 R)
• M5: 3,314,341 km (0.088 R)
• M6: 3,875,333 km (0.06 R)
• M7: 5,655,697 km (0.113 R)
• M8: 7,832,645 km (0.072 R)
• M9: 8,822,684 km (0.073 R)
• M10: 10,565,200 km (0.065 R)
• M11: 12,406,899 km (0.073 R)
• M12: 13,434,487 km (0.086 R)
• M13: 21,746,294 km (0.057 R)
• M14: 26,513,829 km (0.064 R)
• M15: 36,572,790 km (0.119 R)
• M16: 38,673,443 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35

Radius: 3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.75 AU - 8.79 AU

Year: 15602 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,131,318 km

• M1: 45,927 km (0.117 R)
• M2: 142,716 km (0.053 R)
• M3: 255,364 km (0.097 R)
• M4: 682,316 km (0.1 R)
• M5: 967,898 km (0.064 R)
• M6: 1,189,453 km (0.108 R)
• M7: 1,432,699 km (0.061 R)
• M8: 6,329,037 km (0.053 R)
• M9: 6,447,519 km (0.07 R)
• M10: 8,336,940 km (0.111 R)
• M11: 10,482,622 km (0.074 R)
• M12: 11,417,459 km (0.06 R)
• M13: 15,552,195 km (0.086 R)
• M14: 16,316,789 km (0.075 R)
• M15: 20,197,209 km (0.115 R)
• M16: 20,909,444 km (0.104 R)
• M17: 21,238,709 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.9

Radius: 6.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.06 AU - 9.98 AU

Year: 17771 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,131,318 km

• M1: 84,523 km (0.03 R)
• M2: 452,534 km (0.12 R)
• M3: 727,494 km (0.076 R)
• M4: 1,885,083 km (0.114 R)
• M5: 7,026,911 km (0.107 R)
• M6: 9,203,261 km (0.082 R)
• M7: 16,131,737 km (0.075 R)
• M8: 17,314,607 km (0.11 R)
• M9: 18,156,544 km (0.053 R)
• M10: 30,393,500 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.3

Radius: 7.3

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.73 AU - 11.01 AU

Year: 20342 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,131,318 km

• M1: 160,219 km (0.053 R)
• M2: 857,046 km (0.099 R)
• M3: 1,366,577 km (0.103 R)
• M4: 1,907,223 km (0.079 R)
• M5: 4,671,194 km (0.082 R)
• M6: 5,293,371 km (0.107 R)
• M7: 6,306,897 km (0.073 R)
• M8: 11,604,756 km (0.061 R)
• M9: 12,197,911 km (0.092 R)
• M10: 14,698,140 km (0.107 R)
• M11: 21,069,963 km (0.064 R)
• M12: 21,655,339 km (0.108 R)
• M13: 36,314,883 km (0.048 R)
• M14: 41,558,588 km (0.116 R)
• M15: 43,256,224 km (0.088 R)
• M16: 49,819,232 km (0.088 R)
• M17: 58,725,243 km (0.113 R)
• M18: 60,664,480 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit