🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.59 AU - 2.01 AU

Year: 1070 Days

Day: 27.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543

Radius: 11.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.66 AU - 4.04 AU

Year: 3346 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 104,702,465 km

• M1: 150,047 km (0.1 R)
• M2: 594,352 km (0.11 R)
• M3: 1,422,227 km (0.077 R)
• M4: 1,976,936 km (0.114 R)
• M5: 3,993,814 km (0.101 R)
• M6: 4,460,560 km (0.105 R)
• M7: 5,504,154 km (0.104 R)
• M8: 7,712,069 km (0.116 R)
• M9: 8,236,260 km (0.094 R)
• M10: 11,221,785 km (0.066 R)
• M11: 13,370,609 km (0.084 R)
• M12: 20,687,441 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 8.4

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.22 AU - 7.6 AU

Year: 8934 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 104,702,465 km

• M1: 105,317 km (0.12 R)
• M2: 409,749 km (0.052 R)
• M3: 819,048 km (0.111 R)
• M4: 1,197,681 km (0.117 R)
• M5: 1,751,791 km (0.077 R)
• M6: 2,668,228 km (0.118 R)
• M7: 3,013,500 km (0.117 R)
• M8: 4,091,801 km (0.103 R)
• M9: 4,375,887 km (0.115 R)
• M10: 5,716,135 km (0.108 R)
• M11: 7,946,489 km (0.113 R)
• M12: 11,408,633 km (0.045 R)
• M13: 12,204,942 km (0.114 R)
• M14: 13,844,685 km (0.107 R)
• M15: 14,882,894 km (0.088 R)
• M16: 15,557,580 km (0.055 R)
• M17: 17,333,456 km (0.087 R)
• M18: 19,558,126 km (0.069 R)
• M19: 20,122,410 km (0.079 R)
• M20: 21,114,842 km (0.079 R)
• M21: 22,929,614 km (0.098 R)
• M22: 23,647,534 km (0.112 R)
• M23: 24,195,660 km (0.082 R)
• M24: 26,181,273 km (0.042 R)
• M25: 26,571,424 km (0.064 R)
• M26: 30,046,284 km (0.108 R)
• M27: 33,582,628 km (0.104 R)
• M28: 34,508,339 km (0.087 R)
• M29: 35,332,025 km (0.111 R)
• M30: 38,758,714 km (0.097 R)
• M31: 43,209,550 km (0.084 R)
• M32: 45,277,142 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.3

Radius: 8.4

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.21 AU - 11.45 AU

Year: 12623 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 104,702,465 km

• M1: 114,592 km (0.025 R)
• M2: 643,570 km (0.094 R)
• M3: 1,072,766 km (0.091 R)
• M4: 1,700,030 km (0.106 R)
• M5: 2,655,661 km (0.076 R)
• M6: 2,959,644 km (0.092 R)
• M7: 3,287,114 km (0.092 R)
• M8: 4,446,946 km (0.084 R)
• M9: 5,169,354 km (0.112 R)
• M10: 5,610,967 km (0.106 R)
• M11: 6,885,840 km (0.116 R)
• M12: 7,170,525 km (0.066 R)
• M13: 7,720,447 km (0.094 R)
• M14: 8,027,871 km (0.072 R)
• M15: 8,951,937 km (0.06 R)
• M16: 11,799,532 km (0.083 R)
• M17: 13,681,174 km (0.117 R)
• M18: 14,460,429 km (0.091 R)
• M19: 20,098,175 km (0.09 R)
• M20: 21,190,090 km (0.1 R)
• M21: 22,766,552 km (0.115 R)
• M22: 23,127,232 km (0.09 R)
• M23: 25,275,458 km (0.111 R)
• M24: 25,954,782 km (0.108 R)
• M25: 32,399,757 km (0.12 R)
• M26: 34,606,176 km (0.114 R)
• M27: 40,887,940 km (0.112 R)
• M28: 44,156,355 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.2

Radius: 5.4

Gravity: 23.5 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 12.07 AU - 15.15 AU

Year: 22239 Days

Day: 19.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 104,702,465 km

• M1: 67,169 km (0.032 R)
• M2: 295,905 km (0.115 R)
• M3: 535,261 km (0.101 R)
• M4: 759,957 km (0.056 R)
• M5: 1,112,859 km (0.101 R)
• M6: 1,996,384 km (0.083 R)
• M7: 3,506,424 km (0.045 R)
• M8: 4,167,497 km (0.114 R)
• M9: 4,336,393 km (0.067 R)
• M10: 4,688,098 km (0.086 R)
• M11: 6,243,766 km (0.07 R)
• M12: 7,114,127 km (0.062 R)
• M13: 7,503,680 km (0.11 R)
• M14: 8,378,678 km (0.032 R)
• M15: 9,319,947 km (0.067 R)
• M16: 11,608,196 km (0.118 R)
• M17: 14,018,368 km (0.069 R)
• M18: 14,708,163 km (0.091 R)
• M19: 15,340,065 km (0.092 R)
• M20: 16,321,576 km (0.07 R)
• M21: 17,960,272 km (0.11 R)
• M22: 18,138,891 km (0.064 R)
• M23: 18,773,486 km (0.083 R)
• M24: 21,560,644 km (0.095 R)
• M25: 25,389,302 km (0.105 R)
• M26: 26,412,701 km (0.106 R)
• M27: 28,662,952 km (0.102 R)
• M28: 33,947,646 km (0.037 R)
• M29: 39,998,431 km (0.106 R)
• M30: 40,609,539 km (0.084 R)
• M31: 43,437,088 km (0.043 R)
• M32: 47,748,948 km (0.098 R)
• M33: 55,680,926 km (0.075 R)
• M34: 58,182,202 km (0.102 R)
• M35: 59,559,550 km (0.07 R)
• M36: 62,789,218 km (0.1 R)
• M37: 65,921,199 km (0.037 R)
• M38: 71,594,100 km (0.118 R)
• M39: 74,548,808 km (0.109 R)
• M40: 77,583,700 km (0.108 R)
• M41: 77,820,513 km (0.073 R)
• M42: 78,057,775 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819

Radius: 3.4

Gravity: 70.85 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.43 AU - 18.45 AU

Year: 29525 Days

Day: 18.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 69.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 104,702,465 km

• M1: 42,336 km (0.108 R)
• M2: 156,629 km (0.093 R)
• M3: 374,743 km (0.091 R)
• M4: 1,366,128 km (0.119 R)
• M5: 2,648,032 km (0.069 R)
• M6: 4,265,634 km (0.114 R)
• M7: 7,308,454 km (0.071 R)
• M8: 8,363,568 km (0.039 R)
• M9: 9,900,836 km (0.111 R)
• M10: 12,056,392 km (0.085 R)
• M11: 20,147,542 km (0.08 R)
• M12: 21,428,249 km (0.092 R)
• M13: 24,865,260 km (0.101 R)
• M14: 25,106,562 km (0.096 R)
• M15: 27,607,090 km (0.1 R)
• M16: 32,950,726 km (0.059 R)
• M17: 34,274,817 km (0.078 R)
• M18: 37,185,692 km (0.061 R)
• M19: 46,531,819 km (0.051 R)
• M20: 53,628,293 km (0.113 R)
• M21: 58,597,187 km (0.095 R)
• M22: 60,102,141 km (0.103 R)
• M23: 65,687,527 km (0.081 R)
• M24: 65,917,759 km (0.082 R)
• M25: 71,852,605 km (0.074 R)
• M26: 76,594,110 km (0.029 R)
• M27: 83,684,450 km (0.104 R)
• M28: 98,246,307 km (0.073 R)
• M29: 101,286,585 km (0.088 R)
• M30: 103,763,327 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit