🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.12 AU - 1.7 AU

Year: 591 Days

Day: 26.5 Hours

Environment

Temp: -10 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.7 AU - 2.1 AU

Year: 925 Days

Day: 15.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.73 AU - 2.93 AU

Year: 1681 Days

Day: 42.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,162,977 km

• M1: 581,786 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.77 AU - 2.89 AU

Year: 1681 Days

Day: 21.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 12.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.91 AU - 9.35 AU

Year: 7442 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,162,977 km

• M1: 151,842 km (0.075 R)
• M2: 779,255 km (0.065 R)
• M3: 1,792,033 km (0.099 R)
• M4: 2,210,608 km (0.052 R)
• M5: 2,932,717 km (0.107 R)
• M6: 3,383,455 km (0.086 R)
• M7: 4,535,508 km (0.105 R)
• M8: 4,933,738 km (0.111 R)
• M9: 8,584,973 km (0.093 R)
• M10: 9,152,697 km (0.041 R)
• M11: 10,957,595 km (0.115 R)
• M12: 12,431,583 km (0.11 R)
• M13: 13,679,528 km (0.082 R)
• M14: 14,577,116 km (0.053 R)
• M15: 15,259,880 km (0.043 R)
• M16: 18,780,666 km (0.092 R)
• M17: 19,366,641 km (0.058 R)
• M18: 20,498,199 km (0.112 R)
• M19: 21,833,211 km (0.088 R)
• M20: 24,502,336 km (0.119 R)
• M21: 25,735,770 km (0.101 R)
• M22: 26,276,866 km (0.082 R)
• M23: 31,906,234 km (0.076 R)
• M24: 35,221,921 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 14.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.17 AU - 11.91 AU

Year: 10404 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,162,977 km

• M1: 179,218 km (0.086 R)
• M2: 686,505 km (0.081 R)
• M3: 1,421,030 km (0.082 R)
• M4: 1,924,577 km (0.118 R)
• M5: 2,672,267 km (0.093 R)
• M6: 3,330,497 km (0.106 R)
• M7: 4,783,392 km (0.087 R)
• M8: 6,744,770 km (0.052 R)
• M9: 8,569,864 km (0.039 R)
• M10: 9,699,178 km (0.078 R)
• M11: 10,220,227 km (0.063 R)
• M12: 13,175,234 km (0.087 R)
• M13: 14,678,393 km (0.112 R)
• M14: 23,019,372 km (0.09 R)
• M15: 23,948,974 km (0.055 R)
• M16: 24,423,199 km (0.11 R)
• M17: 27,195,098 km (0.114 R)
• M18: 29,299,341 km (0.116 R)
• M19: 33,239,749 km (0.115 R)
• M20: 43,266,098 km (0.093 R)
• M21: 43,828,586 km (0.109 R)
• M22: 47,605,334 km (0.12 R)
• M23: 51,279,457 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.8

Radius: 4.2

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.14 AU - 16.04 AU

Year: 16723 Days

Day: 21 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,162,977 km

• M1: 52,210 km (0.085 R)
• M2: 348,862 km (0.111 R)
• M3: 704,606 km (0.091 R)
• M4: 1,717,084 km (0.089 R)
• M5: 2,042,011 km (0.113 R)
• M6: 2,518,480 km (0.076 R)
• M7: 3,687,887 km (0.039 R)
• M8: 3,964,194 km (0.101 R)
• M9: 4,308,419 km (0.107 R)
• M10: 4,906,212 km (0.096 R)
• M11: 5,056,258 km (0.108 R)
• M12: 5,720,623 km (0.098 R)
• M13: 6,264,411 km (0.095 R)
• M14: 6,548,946 km (0.111 R)
• M15: 7,814,245 km (0.118 R)
• M16: 8,354,592 km (0.074 R)
• M17: 8,875,193 km (0.103 R)
• M18: 10,270,791 km (0.057 R)
• M19: 11,071,888 km (0.094 R)
• M20: 11,699,301 km (0.092 R)
• M21: 16,770,968 km (0.028 R)
• M22: 24,505,926 km (0.069 R)
• M23: 28,844,713 km (0.059 R)
• M24: 30,938,485 km (0.027 R)
• M25: 36,783,274 km (0.052 R)
• M26: 37,474,865 km (0.108 R)
• M27: 38,292,567 km (0.077 R)
• M28: 38,528,333 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.8

Radius: 6

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 13.1 AU - 19.64 AU

Year: 23387 Days

Day: 15.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,162,977 km

• M1: 74,949 km (0.077 R)
• M2: 275,260 km (0.103 R)
• M3: 733,030 km (0.099 R)
• M4: 1,007,691 km (0.097 R)
• M5: 1,236,726 km (0.08 R)
• M6: 1,564,345 km (0.116 R)
• M7: 2,547,801 km (0.11 R)
• M8: 2,853,729 km (0.069 R)
• M9: 4,264,287 km (0.113 R)
• M10: 5,084,084 km (0.116 R)
• M11: 5,379,390 km (0.101 R)
• M12: 5,725,260 km (0.087 R)
• M13: 7,825,764 km (0.073 R)
• M14: 8,783,190 km (0.053 R)
• M15: 9,592,365 km (0.114 R)
• M16: 9,872,861 km (0.115 R)
• M17: 13,679,080 km (0.102 R)
• M18: 20,042,076 km (0.075 R)
• M19: 22,112,660 km (0.086 R)
• M20: 22,307,735 km (0.118 R)
• M21: 23,400,847 km (0.06 R)
• M22: 25,372,547 km (0.093 R)
• M23: 25,693,733 km (0.047 R)
• M24: 28,591,444 km (0.039 R)
• M25: 30,478,771 km (0.111 R)
• M26: 34,369,064 km (0.112 R)
• M27: 35,158,492 km (0.098 R)
• M28: 36,094,525 km (0.044 R)
• M29: 37,599,031 km (0.031 R)
• M30: 43,881,693 km (0.06 R)
• M31: 63,844,781 km (0.093 R)
• M32: 65,437,250 km (0.079 R)
• M33: 69,325,299 km (0.111 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 15,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit