🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 12.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.85 AU - 1.11 AU

Year: 636 Days

Day: 9.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,819,883 km

• M1: 153,188 km (0.071 R)
• M2: 483,500 km (0.092 R)
• M3: 849,566 km (0.102 R)
• M4: 1,206,208 km (0.058 R)
• M5: 1,469,201 km (0.091 R)
• M6: 1,736,083 km (0.083 R)
• M7: 1,986,510 km (0.059 R)
• M8: 2,716,697 km (0.077 R)
• M9: 3,206,481 km (0.041 R)
• M10: 3,559,831 km (0.047 R)
• M11: 3,873,986 km (0.052 R)
• M12: 4,181,560 km (0.052 R)
• M13: 4,480,456 km (0.105 R)
• M14: 4,954,382 km (0.101 R)
• M15: 5,257,468 km (0.096 R)
• M16: 5,818,908 km (0.103 R)
• M17: 6,135,308 km (0.052 R)
• M18: 6,384,538 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 10.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.88 AU - 1.32 AU

Year: 757 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,819,883 km

• M1: 133,142 km (0.093 R)
• M2: 471,383 km (0.082 R)
• M3: 682,465 km (0.09 R)
• M4: 896,540 km (0.038 R)
• M5: 1,173,147 km (0.119 R)
• M6: 1,461,122 km (0.107 R)
• M7: 1,882,988 km (0.063 R)
• M8: 2,188,617 km (0.103 R)
• M9: 2,671,818 km (0.115 R)
• M10: 2,946,031 km (0.056 R)
• M11: 3,586,908 km (0.032 R)
• M12: 3,937,266 km (0.101 R)
• M13: 4,194,724 km (0.098 R)
• M14: 4,596,694 km (0.1 R)
• M15: 5,101,736 km (0.067 R)
• M16: 5,308,929 km (0.069 R)
• M17: 6,259,773 km (0.061 R)
• M18: 6,558,071 km (0.032 R)
• M19: 7,189,973 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 11.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.69 AU - 2.61 AU

Year: 2068 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,819,883 km

• M1: 148,700 km (0.072 R)
• M2: 379,081 km (0.111 R)
• M3: 654,191 km (0.086 R)
• M4: 910,153 km (0.071 R)
• M5: 1,479,373 km (0.114 R)
• M6: 1,808,040 km (0.106 R)
• M7: 2,261,621 km (0.075 R)
• M8: 2,634,568 km (0.107 R)
• M9: 3,064,064 km (0.086 R)
• M10: 3,598,876 km (0.041 R)
• M11: 4,010,569 km (0.079 R)
• M12: 5,926,320 km (0.103 R)
• M13: 6,187,966 km (0.098 R)
• M14: 7,048,453 km (0.115 R)
• M15: 7,417,062 km (0.063 R)
• M16: 8,714,525 km (0.1 R)
• M17: 9,333,262 km (0.059 R)
• M18: 9,805,392 km (0.116 R)
• M19: 10,412,311 km (0.097 R)
• M20: 12,236,507 km (0.092 R)
• M21: 13,554,465 km (0.111 R)
• M22: 14,267,747 km (0.064 R)
• M23: 14,851,777 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 12

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.5 AU - 5.54 AU

Year: 7378 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,819,883 km

• M1: 378,632 km (0.096 R)
• M2: 738,265 km (0.067 R)
• M3: 1,089,072 km (0.07 R)
• M4: 1,988,305 km (0.12 R)
• M5: 2,505,465 km (0.069 R)
• M6: 2,969,219 km (0.095 R)
• M7: 4,857,144 km (0.112 R)
• M8: 5,397,641 km (0.109 R)
• M9: 6,135,906 km (0.11 R)
• M10: 8,014,706 km (0.102 R)
• M11: 8,912,892 km (0.116 R)
• M12: 9,327,726 km (0.09 R)
• M13: 14,175,445 km (0.106 R)
• M14: 14,831,282 km (0.054 R)
• M15: 15,411,872 km (0.095 R)
• M16: 15,638,064 km (0.048 R)
• M17: 17,173,237 km (0.117 R)
• M18: 18,187,960 km (0.104 R)
• M19: 18,880,747 km (0.106 R)
• M20: 19,535,687 km (0.066 R)
• M21: 21,143,116 km (0.038 R)
• M22: 21,514,867 km (0.116 R)
• M23: 21,889,908 km (0.106 R)
• M24: 22,268,241 km (0.053 R)
• M25: 23,256,036 km (0.092 R)
• M26: 24,435,765 km (0.119 R)
• M27: 25,528,428 km (0.082 R)
• M28: 26,290,031 km (0.079 R)
• M29: 28,888,845 km (0.106 R)
• M30: 32,985,134 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.9

Radius: 4.3

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.93 AU - 10.93 AU

Year: 17506 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,819,883 km

• M1: 212,429 km (0.102 R)
• M2: 420,071 km (0.093 R)
• M3: 504,893 km (0.119 R)
• M4: 713,133 km (0.111 R)
• M5: 1,484,310 km (0.119 R)
• M6: 2,937,653 km (0.089 R)
• M7: 5,812,176 km (0.084 R)
• M8: 7,802,427 km (0.1 R)
• M9: 8,134,833 km (0.064 R)
• M10: 9,218,370 km (0.114 R)
• M11: 11,192,314 km (0.075 R)
• M12: 14,068,034 km (0.087 R)
• M13: 14,909,522 km (0.044 R)
• M14: 18,267,994 km (0.109 R)
• M15: 21,418,825 km (0.059 R)
• M16: 27,305,651 km (0.098 R)
• M17: 32,884,604 km (0.087 R)
• M18: 36,713,262 km (0.072 R)
• M19: 39,723,321 km (0.076 R)
• M20: 39,816,371 km (0.108 R)
• M21: 49,465,882 km (0.083 R)
• M22: 53,813,645 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.3

Radius: 6.3

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.73 AU - 11.63 AU

Year: 21307 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 69,819,883 km

• M1: 78,389 km (0.109 R)
• M2: 304,880 km (0.078 R)
• M3: 968,945 km (0.086 R)
• M4: 1,293,573 km (0.112 R)
• M5: 1,585,438 km (0.035 R)
• M6: 4,367,659 km (0.083 R)
• M7: 4,542,390 km (0.071 R)
• M8: 5,468,251 km (0.088 R)
• M9: 6,355,067 km (0.108 R)
• M10: 10,849,885 km (0.088 R)
• M11: 12,734,818 km (0.114 R)
• M12: 13,033,565 km (0.052 R)
• M13: 16,891,694 km (0.103 R)
• M14: 17,653,446 km (0.096 R)
• M15: 19,742,730 km (0.114 R)
• M16: 20,793,356 km (0.103 R)
• M17: 23,216,842 km (0.055 R)
• M18: 23,620,307 km (0.038 R)
• M19: 23,782,770 km (0.108 R)
• M20: 25,101,625 km (0.029 R)
• M21: 25,859,338 km (0.094 R)
• M22: 27,934,859 km (0.112 R)
• M23: 31,666,279 km (0.05 R)
• M24: 36,635,172 km (0.114 R)
• M25: 37,243,587 km (0.083 R)
• M26: 38,786,689 km (0.112 R)
• M27: 39,938,144 km (0.05 R)
• M28: 41,320,727 km (0.066 R)
• M29: 43,164,371 km (0.117 R)
• M30: 43,493,935 km (0.075 R)
• M31: 48,355,118 km (0.046 R)
• M32: 50,941,965 km (0.072 R)
• M33: 52,019,668 km (0.107 R)
• M34: 52,744,469 km (0.111 R)
• M35: 53,352,285 km (0.097 R)
• M36: 54,948,794 km (0.095 R)
• M37: 57,958,254 km (0.115 R)
• M38: 58,085,412 km (0.081 R)
• M39: 58,595,392 km (0.029 R)
• M40: 60,138,643 km (0.093 R)
• M41: 62,359,274 km (0.116 R)
• M42: 65,292,888 km (0.095 R)
• M43: 66,648,694 km (0.089 R)
• M44: 67,331,758 km (0.104 R)
• M45: 67,605,971 km (0.078 R)
• M46: 68,018,412 km (0.117 R)
• M47: 69,819,869 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit