🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.49 AU - 0.63 AU

Year: 156 Days

Day: 20.3 Hours

Environment

Temp: 142 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.46 AU - 0.76 AU

Year: 178 Days

Day: 26 Hours

Environment

Temp: 159 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 10

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.31 AU - 5.71 AU

Year: 4180 Days

Day: 5.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,090,572 km

• M1: 125,513 km (0.119 R)
• M2: 448,046 km (0.099 R)
• M3: 973,433 km (0.073 R)
• M4: 1,349,223 km (0.103 R)
• M5: 2,091,827 km (0.103 R)
• M6: 2,539,873 km (0.098 R)
• M7: 3,303,869 km (0.084 R)
• M8: 3,649,739 km (0.097 R)
• M9: 5,181,771 km (0.102 R)
• M10: 5,597,354 km (0.056 R)
• M11: 7,261,481 km (0.047 R)
• M12: 8,973,329 km (0.081 R)
• M13: 9,728,200 km (0.097 R)
• M14: 10,689,217 km (0.047 R)
• M15: 11,023,269 km (0.092 R)
• M16: 12,202,549 km (0.107 R)
• M17: 13,081,436 km (0.055 R)
• M18: 13,512,278 km (0.056 R)
• M19: 14,351,821 km (0.027 R)
• M20: 16,189,482 km (0.044 R)
• M21: 17,307,277 km (0.105 R)
• M22: 17,768,637 km (0.096 R)
• M23: 18,238,075 km (0.106 R)
• M24: 18,595,464 km (0.047 R)
• M25: 19,509,806 km (0.117 R)
• M26: 22,843,146 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 14.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.69 AU - 5.73 AU

Year: 4433 Days

Day: 11.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,090,572 km

• M1: 178,021 km (0.097 R)
• M2: 636,838 km (0.103 R)
• M3: 1,262,456 km (0.08 R)
• M4: 2,714,154 km (0.116 R)
• M5: 3,405,895 km (0.059 R)
• M6: 4,051,260 km (0.042 R)
• M7: 4,802,989 km (0.111 R)
• M8: 5,281,104 km (0.097 R)
• M9: 6,586,046 km (0.077 R)
• M10: 8,660,819 km (0.042 R)
• M11: 9,131,304 km (0.074 R)
• M12: 10,513,888 km (0.118 R)
• M13: 15,443,287 km (0.091 R)
• M14: 18,216,383 km (0.074 R)
• M15: 19,653,570 km (0.077 R)
• M16: 20,884,611 km (0.083 R)
• M17: 21,949,448 km (0.118 R)
• M18: 22,531,833 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 13.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.8 AU - 10.5 AU

Year: 9484 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,090,572 km

• M1: 168,298 km (0.104 R)
• M2: 1,063,042 km (0.111 R)
• M3: 2,007,155 km (0.086 R)
• M4: 2,808,102 km (0.041 R)
• M5: 3,307,609 km (0.119 R)
• M6: 3,733,963 km (0.1 R)
• M7: 4,341,031 km (0.114 R)
• M8: 6,077,563 km (0.05 R)
• M9: 7,122,803 km (0.083 R)
• M10: 7,971,771 km (0.099 R)
• M11: 9,370,661 km (0.119 R)
• M12: 10,337,662 km (0.099 R)
• M13: 11,314,237 km (0.111 R)
• M14: 12,233,067 km (0.104 R)
• M15: 14,416,148 km (0.059 R)
• M16: 17,142,270 km (0.079 R)
• M17: 17,741,260 km (0.046 R)
• M18: 18,981,277 km (0.069 R)
• M19: 19,948,726 km (0.113 R)
• M20: 24,336,432 km (0.105 R)
• M21: 26,456,533 km (0.05 R)
• M22: 30,404,122 km (0.085 R)
• M23: 32,860,519 km (0.1 R)
• M24: 36,052,638 km (0.064 R)
• M25: 37,410,538 km (0.117 R)
• M26: 42,910,055 km (0.079 R)
• M27: 43,598,654 km (0.04 R)
• M28: 51,823,096 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 9.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.7 AU - 11.82 AU

Year: 11367 Days

Day: 7.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,090,572 km

• M1: 113,246 km (0.11 R)
• M2: 1,012,927 km (0.081 R)
• M3: 1,475,783 km (0.047 R)
• M4: 2,017,178 km (0.057 R)
• M5: 2,685,731 km (0.112 R)
• M6: 3,149,634 km (0.071 R)
• M7: 3,666,195 km (0.118 R)
• M8: 5,083,036 km (0.113 R)
• M9: 6,190,360 km (0.082 R)
• M10: 7,345,555 km (0.111 R)
• M11: 7,809,308 km (0.114 R)
• M12: 8,638,679 km (0.109 R)
• M13: 11,152,072 km (0.099 R)
• M14: 12,301,433 km (0.1 R)
• M15: 13,162,069 km (0.116 R)
• M16: 15,344,852 km (0.109 R)
• M17: 21,117,535 km (0.114 R)
• M18: 21,836,801 km (0.03 R)
• M19: 22,498,024 km (0.108 R)
• M20: 24,561,876 km (0.112 R)
• M21: 25,680,270 km (0.113 R)
• M22: 26,915,798 km (0.088 R)
• M23: 27,761,326 km (0.11 R)
• M24: 28,974,564 km (0.092 R)
• M25: 29,505,188 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.9

Radius: 4.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 9.66 AU - 15.76 AU

Year: 16892 Days

Day: 21 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,090,572 km

• M1: 70,461 km (0.078 R)
• M2: 329,714 km (0.093 R)
• M3: 1,190,649 km (0.059 R)
• M4: 1,337,106 km (0.114 R)
• M5: 2,412,266 km (0.053 R)
• M6: 2,709,517 km (0.093 R)
• M7: 3,305,365 km (0.107 R)
• M8: 6,405,930 km (0.079 R)
• M9: 6,974,552 km (0.053 R)
• M10: 11,271,900 km (0.101 R)
• M11: 14,771,743 km (0.11 R)
• M12: 19,047,250 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.1

Radius: 3.6

Gravity: 38.67 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.52 AU - 17.96 AU

Year: 26685 Days

Day: 19.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,090,572 km

• M1: 44,879 km (0.085 R)
• M2: 474,824 km (0.08 R)
• M3: 792,121 km (0.074 R)
• M4: 978,220 km (0.043 R)
• M5: 1,122,582 km (0.079 R)
• M6: 1,251,087 km (0.096 R)
• M7: 1,421,778 km (0.064 R)
• M8: 2,332,081 km (0.09 R)
• M9: 4,565,727 km (0.11 R)
• M10: 5,399,735 km (0.039 R)
• M11: 5,561,450 km (0.066 R)
• M12: 6,023,409 km (0.117 R)
• M13: 7,070,893 km (0.081 R)
• M14: 7,215,853 km (0.034 R)
• M15: 8,722,005 km (0.114 R)
• M16: 11,520,682 km (0.097 R)
• M17: 13,786,341 km (0.088 R)
• M18: 19,550,946 km (0.116 R)
• M19: 19,836,977 km (0.098 R)
• M20: 24,466,881 km (0.082 R)
• M21: 24,910,140 km (0.093 R)
• M22: 33,424,802 km (0.06 R)
• M23: 37,663,209 km (0.091 R)
• M24: 43,044,394 km (0.088 R)
• M25: 44,342,305 km (0.054 R)
• M26: 46,337,940 km (0.043 R)
• M27: 47,873,413 km (0.053 R)
• M28: 48,392,667 km (0.113 R)
• M29: 49,266,319 km (0.091 R)
• M30: 53,421,250 km (0.111 R)
• M31: 55,298,404 km (0.088 R)
• M32: 56,445,521 km (0.09 R)
• M33: 60,182,475 km (0.092 R)
• M34: 66,843,171 km (0.093 R)
• M35: 67,275,060 km (0.075 R)
• M36: 71,922,767 km (0.037 R)
• M37: 73,289,044 km (0.119 R)
• M38: 77,016,574 km (0.069 R)
• M39: 79,409,243 km (0.097 R)
• M40: 79,651,292 km (0.11 R)
• M41: 79,893,640 km (0.115 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: 175 - 12,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit