🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.05 AU - 1.15 AU

Year: 419 Days

Day: 36.1 Hours

Environment

Temp: 25 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.64 AU - 3.22 AU

Year: 1823 Days

Day: 17.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,088,165 km

• M1: 152,141 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.22 AU - 4.66 AU

Year: 3400 Days

Day: 17.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 57 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 14.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.35 AU - 6.37 AU

Year: 4510 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,088,165 km

• M1: 186,549 km (0.044 R)
• M2: 833,111 km (0.092 R)
• M3: 1,310,029 km (0.091 R)
• M4: 2,571,737 km (0.033 R)
• M5: 3,805,022 km (0.087 R)
• M6: 5,538,562 km (0.098 R)
• M7: 6,710,960 km (0.081 R)
• M8: 7,552,449 km (0.091 R)
• M9: 10,154,105 km (0.092 R)
• M10: 11,263,972 km (0.065 R)
• M11: 14,414,054 km (0.102 R)
• M12: 14,901,294 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 10.7

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.66 AU - 11.1 AU

Year: 12154 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,088,165 km

• M1: 142,716 km (0.087 R)
• M2: 806,781 km (0.109 R)
• M3: 3,029,656 km (0.115 R)
• M4: 3,893,584 km (0.062 R)
• M5: 10,441,183 km (0.065 R)
• M6: 13,457,226 km (0.086 R)
• M7: 13,977,976 km (0.086 R)
• M8: 15,550,399 km (0.082 R)
• M9: 15,907,190 km (0.084 R)
• M10: 16,711,578 km (0.065 R)
• M11: 19,206,272 km (0.115 R)
• M12: 29,017,050 km (0.112 R)
• M13: 32,950,577 km (0.099 R)
• M14: 33,421,660 km (0.116 R)
• M15: 34,619,042 km (0.111 R)
• M16: 43,530,288 km (0.098 R)
• M17: 45,683,001 km (0.077 R)
• M18: 51,294,866 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.9

Radius: 11

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 11.78 AU - 12.64 AU

Year: 15506 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,088,165 km

• M1: 137,331 km (0.057 R)
• M2: 541,843 km (0.093 R)
• M3: 1,360,293 km (0.079 R)
• M4: 2,853,729 km (0.119 R)
• M5: 3,351,740 km (0.049 R)
• M6: 5,620,242 km (0.117 R)
• M7: 6,928,326 km (0.074 R)
• M8: 7,306,210 km (0.098 R)
• M9: 8,195,869 km (0.107 R)
• M10: 9,977,280 km (0.118 R)
• M11: 12,305,322 km (0.102 R)
• M12: 13,498,216 km (0.117 R)
• M13: 14,290,486 km (0.117 R)
• M14: 16,040,332 km (0.091 R)
• M15: 17,928,706 km (0.095 R)
• M16: 20,902,263 km (0.116 R)
• M17: 21,339,687 km (0.103 R)
• M18: 21,962,314 km (0.119 R)
• M19: 26,461,769 km (0.039 R)
• M20: 32,699,252 km (0.097 R)
• M21: 34,733,933 km (0.104 R)
• M22: 35,224,614 km (0.064 R)
• M23: 35,719,932 km (0.074 R)
• M24: 37,234,012 km (0.115 R)
• M25: 40,389,480 km (0.117 R)
• M26: 42,310,317 km (0.1 R)
• M27: 52,674,009 km (0.076 R)
• M28: 53,484,680 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.4

Radius: 3.8

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 11.38 AU - 16.72 AU

Year: 19140 Days

Day: 22.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,088,165 km

• M1: 47,273 km (0.091 R)
• M2: 171,290 km (0.101 R)
• M3: 310,864 km (0.055 R)
• M4: 607,517 km (0.094 R)
• M5: 1,070,074 km (0.076 R)
• M6: 1,267,543 km (0.074 R)
• M7: 2,008,800 km (0.097 R)
• M8: 2,363,198 km (0.026 R)
• M9: 2,583,555 km (0.079 R)
• M10: 3,023,223 km (0.101 R)
• M11: 4,725,198 km (0.096 R)
• M12: 7,430,676 km (0.03 R)
• M13: 10,621,150 km (0.102 R)
• M14: 13,040,596 km (0.096 R)
• M15: 16,320,828 km (0.116 R)
• M16: 18,717,087 km (0.046 R)
• M17: 20,718,408 km (0.047 R)
• M18: 22,694,595 km (0.114 R)
• M19: 27,569,840 km (0.059 R)
• M20: 32,994,259 km (0.107 R)
• M21: 33,203,846 km (0.077 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 17,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit