🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.55 AU - 0.71 AU

Year: 318 Days

Day: 29.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,605,196 km

• M1: 52,958 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 13.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.68 AU - 0.76 AU

Year: 388 Days

Day: 7.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,605,196 km

• M1: 170,542 km (0.111 R)
• M2: 644,019 km (0.041 R)
• M3: 1,090,269 km (0.079 R)
• M4: 1,686,118 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 13.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.98 AU - 2.7 AU

Year: 2276 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,605,196 km

• M1: 164,258 km (0.115 R)
• M2: 615,296 km (0.102 R)
• M3: 1,162,675 km (0.089 R)
• M4: 2,701,738 km (0.077 R)
• M5: 3,122,407 km (0.089 R)
• M6: 4,843,081 km (0.12 R)
• M7: 6,171,810 km (0.082 R)
• M8: 6,885,691 km (0.099 R)
• M9: 7,756,949 km (0.101 R)
• M10: 8,450,933 km (0.112 R)
• M11: 9,658,936 km (0.107 R)
• M12: 10,210,803 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 8

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.96 AU - 2.9 AU

Year: 2408 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,605,196 km

• M1: 99,483 km (0.117 R)
• M2: 467,194 km (0.109 R)
• M3: 903,122 km (0.105 R)
• M4: 1,186,311 km (0.103 R)
• M5: 2,102,748 km (0.117 R)
• M6: 2,732,704 km (0.093 R)
• M7: 3,445,837 km (0.079 R)
• M8: 3,748,175 km (0.03 R)
• M9: 5,484,557 km (0.116 R)
• M10: 6,112,419 km (0.119 R)
• M11: 6,471,903 km (0.062 R)
• M12: 6,963,482 km (0.106 R)
• M13: 8,690,888 km (0.12 R)
• M14: 9,506,945 km (0.073 R)
• M15: 11,290,750 km (0.102 R)
• M16: 11,790,556 km (0.109 R)
• M17: 12,611,848 km (0.088 R)
• M18: 12,879,030 km (0.045 R)
• M19: 13,332,761 km (0.045 R)
• M20: 16,281,933 km (0.066 R)
• M21: 17,796,312 km (0.116 R)
• M22: 18,245,854 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.99 AU - 4.37 AU

Year: 4489 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,605,196 km

• M1: 152,141 km (0.085 R)
• M2: 598,691 km (0.102 R)
• M3: 1,074,711 km (0.098 R)
• M4: 1,499,868 km (0.062 R)
• M5: 1,996,384 km (0.1 R)
• M6: 2,419,297 km (0.053 R)
• M7: 2,884,247 km (0.088 R)
• M8: 3,882,364 km (0.032 R)
• M9: 5,125,522 km (0.112 R)
• M10: 7,969,677 km (0.077 R)
• M11: 8,848,864 km (0.051 R)
• M12: 9,919,536 km (0.109 R)
• M13: 11,259,783 km (0.105 R)
• M14: 12,516,255 km (0.109 R)
• M15: 14,517,725 km (0.052 R)
• M16: 15,652,874 km (0.077 R)
• M17: 16,481,945 km (0.028 R)
• M18: 17,527,934 km (0.04 R)
• M19: 19,616,320 km (0.116 R)
• M20: 23,052,284 km (0.12 R)
• M21: 24,674,523 km (0.055 R)
• M22: 25,231,925 km (0.086 R)
• M23: 25,716,323 km (0.092 R)
• M24: 29,817,548 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 14.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.53 AU - 4.01 AU

Year: 4654 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,605,196 km

• M1: 185,501 km (0.117 R)
• M2: 1,237,025 km (0.089 R)
• M3: 1,801,906 km (0.09 R)
• M4: 2,539,573 km (0.107 R)
• M5: 4,342,228 km (0.1 R)
• M6: 4,829,169 km (0.109 R)
• M7: 7,903,106 km (0.097 R)
• M8: 9,408,509 km (0.109 R)
• M9: 10,856,317 km (0.074 R)
• M10: 11,887,047 km (0.067 R)
• M11: 13,858,448 km (0.055 R)
• M12: 16,144,004 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.3

Radius: 7.9

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.55 AU - 6.99 AU

Year: 11200 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,605,196 km

• M1: 98,286 km (0.038 R)
• M2: 351,705 km (0.087 R)
• M3: 759,060 km (0.09 R)
• M4: 1,036,564 km (0.108 R)
• M5: 1,504,805 km (0.062 R)
• M6: 1,951,803 km (0.115 R)
• M7: 2,347,789 km (0.1 R)
• M8: 2,883,948 km (0.055 R)
• M9: 3,499,244 km (0.047 R)
• M10: 3,919,614 km (0.082 R)
• M11: 4,285,530 km (0.104 R)
• M12: 5,556,514 km (0.059 R)
• M13: 7,061,618 km (0.114 R)
• M14: 8,356,088 km (0.087 R)
• M15: 14,262,960 km (0.111 R)
• M16: 15,130,029 km (0.089 R)
• M17: 16,031,656 km (0.102 R)
• M18: 17,638,487 km (0.083 R)
• M19: 18,715,292 km (0.068 R)
• M20: 19,916,862 km (0.086 R)
• M21: 20,662,009 km (0.091 R)
• M22: 22,032,475 km (0.081 R)
• M23: 26,407,615 km (0.081 R)
• M24: 29,483,796 km (0.11 R)
• M25: 29,911,197 km (0.08 R)
• M26: 34,062,986 km (0.103 R)
• M27: 37,324,370 km (0.064 R)
• M28: 39,740,375 km (0.085 R)
• M29: 45,589,203 km (0.094 R)
• M30: 48,941,542 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.5

Radius: 3.7

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.67 AU - 8.93 AU

Year: 13851 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,605,196 km

• M1: 46,525 km (0.04 R)
• M2: 216,169 km (0.116 R)
• M3: 406,158 km (0.08 R)
• M4: 612,753 km (0.11 R)
• M5: 1,114,355 km (0.116 R)
• M6: 1,492,239 km (0.07 R)
• M7: 2,434,855 km (0.091 R)
• M8: 2,683,935 km (0.052 R)
• M9: 3,281,878 km (0.032 R)
• M10: 3,611,891 km (0.112 R)
• M11: 5,393,452 km (0.112 R)
• M12: 5,637,446 km (0.113 R)
• M13: 5,998,875 km (0.038 R)
• M14: 6,414,158 km (0.074 R)
• M15: 6,888,533 km (0.12 R)
• M16: 7,428,432 km (0.091 R)
• M17: 11,557,782 km (0.041 R)
• M18: 15,416,809 km (0.096 R)
• M19: 16,409,690 km (0.107 R)
• M20: 17,747,992 km (0.113 R)
• M21: 18,996,985 km (0.113 R)
• M22: 20,808,615 km (0.107 R)
• M23: 23,185,127 km (0.081 R)
• M24: 32,862,463 km (0.044 R)
• M25: 33,093,293 km (0.089 R)
• M26: 36,070,590 km (0.095 R)
• M27: 36,439,349 km (0.079 R)
• M28: 38,834,111 km (0.104 R)
• M29: 42,688,052 km (0.044 R)
• M30: 46,789,128 km (0.057 R)
• M31: 47,965,116 km (0.077 R)
• M32: 49,917,668 km (0.085 R)
• M33: 52,392,765 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.8

Radius: 7.2

Gravity: 17.49 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.04 AU - 11.2 AU

Year: 17512 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,605,196 km

• M1: 90,507 km (0.109 R)
• M2: 527,632 km (0.027 R)
• M3: 827,575 km (0.12 R)
• M4: 1,171,950 km (0.049 R)
• M5: 1,401,134 km (0.111 R)
• M6: 2,454,003 km (0.105 R)
• M7: 3,253,155 km (0.107 R)
• M8: 6,332,927 km (0.112 R)
• M9: 6,639,901 km (0.107 R)
• M10: 7,768,617 km (0.053 R)
• M11: 9,867,326 km (0.076 R)
• M12: 10,890,426 km (0.042 R)
• M13: 16,504,086 km (0.073 R)
• M14: 19,923,594 km (0.049 R)
• M15: 20,204,688 km (0.104 R)
• M16: 23,787,707 km (0.032 R)
• M17: 25,288,473 km (0.063 R)
• M18: 25,950,593 km (0.12 R)
• M19: 26,511,136 km (0.081 R)
• M20: 27,309,540 km (0.119 R)
• M21: 29,800,494 km (0.063 R)
• M22: 30,913,054 km (0.088 R)
• M23: 32,828,355 km (0.12 R)
• M24: 33,220,601 km (0.098 R)
• M25: 34,956,983 km (0.118 R)
• M26: 37,176,118 km (0.067 R)
• M27: 42,046,127 km (0.086 R)
• M28: 43,444,568 km (0.099 R)
• M29: 43,759,472 km (0.057 R)
• M30: 44,393,916 km (0.077 R)
• M31: 46,498,160 km (0.099 R)
• M32: 46,827,724 km (0.11 R)
• M33: 50,904,415 km (0.117 R)
• M34: 55,766,645 km (0.034 R)
• M35: 56,138,546 km (0.059 R)
• M36: 59,174,485 km (0.105 R)
• M37: 60,929,418 km (0.106 R)
• M38: 70,443,244 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.1

Radius: 5.7

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.63 AU - 13.17 AU

Year: 22881 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,605,196 km

• M1: 72,705 km (0.092 R)
• M2: 252,222 km (0.118 R)
• M3: 471,383 km (0.112 R)
• M4: 892,650 km (0.057 R)
• M5: 1,341,893 km (0.096 R)
• M6: 5,110,263 km (0.087 R)
• M7: 8,163,107 km (0.057 R)
• M8: 9,457,577 km (0.095 R)
• M9: 11,184,834 km (0.046 R)
• M10: 14,585,493 km (0.066 R)
• M11: 16,401,013 km (0.076 R)
• M12: 16,957,667 km (0.043 R)
• M13: 17,691,743 km (0.048 R)
• M14: 18,192,747 km (0.11 R)
• M15: 20,656,773 km (0.101 R)
• M16: 21,119,031 km (0.11 R)
• M17: 26,127,567 km (0.098 R)
• M18: 27,883,547 km (0.111 R)
• M19: 28,108,542 km (0.056 R)
• M20: 28,448,129 km (0.11 R)
• M21: 30,902,582 km (0.077 R)
• M22: 31,385,484 km (0.11 R)
• M23: 31,873,472 km (0.057 R)
• M24: 33,367,955 km (0.065 R)
• M25: 47,360,292 km (0.097 R)
• M26: 53,347,947 km (0.11 R)
• M27: 57,426,284 km (0.029 R)
• M28: 59,448,249 km (0.082 R)
• M29: 60,382,787 km (0.081 R)
• M30: 63,051,613 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 14,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit