🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 10.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.67 AU - 0.85 AU

Year: 421 Days

Day: 14.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,326,355 km

• M1: 134,339 km (0.086 R)
• M2: 485,595 km (0.12 R)
• M3: 888,611 km (0.099 R)
• M4: 1,387,221 km (0.081 R)
• M5: 1,809,087 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 14.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.82 AU - 2.24 AU

Year: 1839 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,326,355 km

• M1: 185,352 km (0.111 R)
• M2: 701,764 km (0.049 R)
• M3: 1,436,289 km (0.08 R)
• M4: 2,042,011 km (0.115 R)
• M5: 2,777,584 km (0.099 R)
• M6: 3,495,354 km (0.073 R)
• M7: 4,480,905 km (0.055 R)
• M8: 5,019,607 km (0.052 R)
• M9: 5,644,926 km (0.115 R)
• M10: 6,159,244 km (0.041 R)
• M11: 8,310,760 km (0.118 R)
• M12: 8,830,463 km (0.108 R)
• M13: 10,455,395 km (0.108 R)
• M14: 11,027,757 km (0.115 R)
• M15: 11,656,367 km (0.1 R)
• M16: 12,682,010 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 9.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.65 AU - 5.37 AU

Year: 7130 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,326,355 km

• M1: 120,576 km (0.087 R)
• M2: 472,729 km (0.079 R)
• M3: 800,199 km (0.089 R)
• M4: 1,320,650 km (0.114 R)
• M5: 1,707,959 km (0.084 R)
• M6: 2,255,637 km (0.034 R)
• M7: 2,676,605 km (0.115 R)
• M8: 3,534,399 km (0.089 R)
• M9: 4,183,804 km (0.118 R)
• M10: 4,970,090 km (0.099 R)
• M11: 6,121,844 km (0.064 R)
• M12: 6,651,121 km (0.097 R)
• M13: 6,983,079 km (0.1 R)
• M14: 7,287,511 km (0.119 R)
• M15: 8,212,474 km (0.113 R)
• M16: 10,100,699 km (0.065 R)
• M17: 10,689,516 km (0.12 R)
• M18: 11,301,072 km (0.113 R)
• M19: 11,668,484 km (0.086 R)
• M20: 14,652,812 km (0.111 R)
• M21: 15,924,993 km (0.089 R)
• M22: 16,453,971 km (0.035 R)
• M23: 16,790,416 km (0.087 R)
• M24: 20,182,398 km (0.073 R)
• M25: 21,674,787 km (0.074 R)
• M26: 25,143,213 km (0.092 R)
• M27: 26,591,620 km (0.098 R)
• M28: 27,242,520 km (0.077 R)
• M29: 28,673,125 km (0.104 R)
• M30: 36,129,232 km (0.104 R)
• M31: 39,273,929 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 7.2

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.76 AU - 9.8 AU

Year: 16542 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 169.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,326,355 km

• M1: 112,946 km (0.106 R)
• M2: 564,283 km (0.115 R)
• M3: 905,815 km (0.051 R)
• M4: 1,598,453 km (0.066 R)
• M5: 1,872,666 km (0.094 R)
• M6: 2,333,428 km (0.081 R)
• M7: 3,639,267 km (0.114 R)
• M8: 4,001,444 km (0.048 R)
• M9: 4,418,074 km (0.111 R)
• M10: 5,659,437 km (0.064 R)
• M11: 5,918,092 km (0.039 R)
• M12: 6,865,944 km (0.078 R)
• M13: 7,911,184 km (0.04 R)
• M14: 8,567,769 km (0.087 R)
• M15: 10,258,973 km (0.066 R)
• M16: 10,588,687 km (0.082 R)
• M17: 11,039,425 km (0.042 R)
• M18: 11,561,671 km (0.07 R)
• M19: 12,283,481 km (0.095 R)
• M20: 14,629,325 km (0.078 R)
• M21: 15,330,491 km (0.039 R)
• M22: 15,907,340 km (0.106 R)
• M23: 18,280,261 km (0.055 R)
• M24: 24,388,642 km (0.084 R)
• M25: 24,681,405 km (0.117 R)
• M26: 25,174,629 km (0.109 R)
• M27: 28,058,427 km (0.077 R)
• M28: 29,690,390 km (0.104 R)
• M29: 32,197,052 km (0.031 R)
• M30: 36,343,008 km (0.061 R)
• M31: 39,340,949 km (0.056 R)
• M32: 43,208,054 km (0.077 R)
• M33: 44,068,541 km (0.052 R)
• M34: 46,418,873 km (0.106 R)
• M35: 49,006,168 km (0.115 R)
• M36: 52,495,239 km (0.052 R)
• M37: 52,820,315 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.8

Radius: 5.8

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.22 AU - 12.64 AU

Year: 21417 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,326,355 km

• M1: 76,594 km (0.118 R)
• M2: 370,554 km (0.052 R)
• M3: 730,786 km (0.072 R)
• M4: 1,177,485 km (0.118 R)
• M5: 2,137,754 km (0.11 R)
• M6: 2,392,968 km (0.072 R)
• M7: 2,814,086 km (0.118 R)
• M8: 3,016,491 km (0.043 R)
• M9: 3,338,276 km (0.109 R)
• M10: 3,712,720 km (0.08 R)
• M11: 3,987,830 km (0.094 R)
• M12: 5,379,390 km (0.077 R)
• M13: 5,975,837 km (0.078 R)
• M14: 8,754,617 km (0.117 R)
• M15: 9,187,852 km (0.098 R)
• M16: 9,749,293 km (0.102 R)
• M17: 9,980,123 km (0.109 R)
• M18: 10,392,863 km (0.062 R)
• M19: 11,570,647 km (0.118 R)
• M20: 11,764,526 km (0.099 R)
• M21: 13,042,690 km (0.105 R)
• M22: 14,262,362 km (0.049 R)
• M23: 17,598,245 km (0.114 R)
• M24: 24,784,926 km (0.077 R)
• M25: 32,155,913 km (0.106 R)
• M26: 34,502,655 km (0.062 R)
• M27: 35,991,602 km (0.05 R)
• M28: 43,769,345 km (0.033 R)
• M29: 44,397,955 km (0.085 R)
• M30: 44,714,654 km (0.114 R)
• M31: 47,301,949 km (0.083 R)
• M32: 48,464,624 km (0.07 R)
• M33: 52,066,941 km (0.06 R)
• M34: 59,222,955 km (0.093 R)
• M35: 60,573,075 km (0.064 R)
• M36: 63,534,964 km (0.059 R)
• M37: 63,735,874 km (0.111 R)
• M38: 65,562,464 km (0.108 R)
• M39: 65,972,960 km (0.067 R)
• M40: 69,532,642 km (0.043 R)
• M41: 73,438,792 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 14,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit