🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.5 AU - 0.54 AU

Year: 171 Days

Day: 23 Hours

Environment

Temp: 12 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,669,895 km

• M1: 17,802 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.75 AU - 0.83 AU

Year: 321 Days

Day: 43.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.29 AU - 1.83 AU

Year: 890 Days

Day: 18.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 9.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.1 AU - 2.3 AU

Year: 1490 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,669,895 km

• M1: 116,836 km (0.086 R)
• M2: 425,307 km (0.043 R)
• M3: 724,054 km (0.081 R)
• M4: 1,074,412 km (0.111 R)
• M5: 1,619,098 km (0.112 R)
• M6: 2,088,835 km (0.117 R)
• M7: 2,422,588 km (0.072 R)
• M8: 3,409,485 km (0.119 R)
• M9: 4,150,294 km (0.033 R)
• M10: 5,300,253 km (0.082 R)
• M11: 5,705,364 km (0.101 R)
• M12: 6,062,304 km (0.075 R)
• M13: 7,589,549 km (0.067 R)
• M14: 8,104,913 km (0.1 R)
• M15: 8,585,871 km (0.119 R)
• M16: 10,338,260 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 9.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.64 AU - 3.08 AU

Year: 2208 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,669,895 km

• M1: 116,986 km (0.05 R)
• M2: 665,112 km (0.117 R)
• M3: 987,346 km (0.082 R)
• M4: 1,282,054 km (0.056 R)
• M5: 1,765,554 km (0.064 R)
• M6: 2,137,155 km (0.081 R)
• M7: 2,560,816 km (0.078 R)
• M8: 3,191,820 km (0.066 R)
• M9: 3,834,642 km (0.106 R)
• M10: 5,073,761 km (0.119 R)
• M11: 6,612,226 km (0.086 R)
• M12: 7,269,260 km (0.1 R)
• M13: 7,571,747 km (0.051 R)
• M14: 7,911,483 km (0.06 R)
• M15: 8,898,381 km (0.065 R)
• M16: 10,100,100 km (0.099 R)
• M17: 10,512,242 km (0.037 R)
• M18: 10,828,642 km (0.115 R)
• M19: 12,585,818 km (0.11 R)
• M20: 13,184,509 km (0.092 R)
• M21: 13,594,108 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 14.4

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.7 AU - 4.58 AU

Year: 3846 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,669,895 km

• M1: 188,194 km (0.06 R)
• M2: 801,845 km (0.113 R)
• M3: 1,930,561 km (0.081 R)
• M4: 2,645,339 km (0.104 R)
• M5: 3,340,072 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 8.7

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.95 AU - 5.41 AU

Year: 4622 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,669,895 km

• M1: 108,159 km (0.036 R)
• M2: 407,056 km (0.094 R)
• M3: 760,556 km (0.118 R)
• M4: 1,374,056 km (0.11 R)
• M5: 1,912,310 km (0.061 R)
• M6: 2,238,732 km (0.078 R)
• M7: 2,966,825 km (0.1 R)
• M8: 3,448,979 km (0.074 R)
• M9: 6,134,410 km (0.104 R)
• M10: 6,918,004 km (0.115 R)
• M11: 7,405,095 km (0.11 R)
• M12: 7,693,669 km (0.029 R)
• M13: 8,723,201 km (0.105 R)
• M14: 10,593,773 km (0.112 R)
• M15: 12,161,858 km (0.112 R)
• M16: 13,770,484 km (0.067 R)
• M17: 16,109,596 km (0.104 R)
• M18: 21,340,585 km (0.092 R)
• M19: 22,223,212 km (0.079 R)
• M20: 27,949,221 km (0.107 R)
• M21: 28,738,798 km (0.073 R)
• M22: 29,814,556 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.4

Radius: 11.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.24 AU - 7.66 AU

Year: 7479 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,669,895 km

• M1: 192,233 km (0.074 R)
• M2: 572,062 km (0.118 R)
• M3: 1,118,094 km (0.099 R)
• M4: 1,504,805 km (0.111 R)
• M5: 1,967,362 km (0.116 R)
• M6: 2,322,058 km (0.117 R)
• M7: 3,102,660 km (0.119 R)
• M8: 3,456,459 km (0.055 R)
• M9: 3,978,256 km (0.107 R)
• M10: 4,346,566 km (0.106 R)
• M11: 6,884,344 km (0.042 R)
• M12: 8,851,556 km (0.095 R)
• M13: 10,835,075 km (0.065 R)
• M14: 11,264,869 km (0.116 R)
• M15: 11,755,700 km (0.072 R)
• M16: 13,098,939 km (0.12 R)
• M17: 13,752,233 km (0.046 R)
• M18: 15,420,997 km (0.087 R)
• M19: 20,573,896 km (0.097 R)
• M20: 23,935,360 km (0.084 R)
• M21: 33,302,281 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.3

Radius: 6.1

Gravity: 26.48 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.79 AU - 13.71 AU

Year: 19575 Days

Day: 24.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 84,669,895 km

• M1: 75,846 km (0.038 R)
• M2: 585,825 km (0.111 R)
• M3: 964,457 km (0.112 R)
• M4: 1,562,699 km (0.046 R)
• M5: 1,913,058 km (0.099 R)
• M6: 2,117,707 km (0.063 R)
• M7: 2,953,062 km (0.053 R)
• M8: 3,430,130 km (0.118 R)
• M9: 3,796,944 km (0.082 R)
• M10: 4,572,609 km (0.092 R)
• M11: 4,978,916 km (0.107 R)
• M12: 5,329,125 km (0.108 R)
• M13: 6,708,268 km (0.094 R)
• M14: 8,691,487 km (0.087 R)
• M15: 9,141,926 km (0.084 R)
• M16: 9,372,905 km (0.108 R)
• M17: 11,902,007 km (0.071 R)
• M18: 14,537,472 km (0.114 R)
• M19: 16,241,990 km (0.12 R)
• M20: 16,752,568 km (0.052 R)
• M21: 18,075,462 km (0.117 R)
• M22: 19,657,310 km (0.097 R)
• M23: 20,139,613 km (0.114 R)
• M24: 27,986,770 km (0.105 R)
• M25: 28,229,866 km (0.049 R)
• M26: 35,196,041 km (0.058 R)
• M27: 36,050,244 km (0.098 R)
• M28: 38,846,528 km (0.086 R)
• M29: 39,452,998 km (0.114 R)
• M30: 44,369,831 km (0.093 R)
• M31: 45,701,850 km (0.094 R)
• M32: 46,208,239 km (0.076 R)
• M33: 47,060,498 km (0.032 R)
• M34: 55,016,412 km (0.119 R)
• M35: 59,310,918 km (0.072 R)
• M36: 68,119,690 km (0.07 R)
• M37: 70,562,772 km (0.111 R)
• M38: 78,241,631 km (0.104 R)
• M39: 78,482,633 km (0.064 R)
• M40: 78,966,134 km (0.107 R)
• M41: 79,939,118 km (0.096 R)
• M42: 80,183,561 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 12,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit