🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 12.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.36 AU - 1.42 AU

Year: 1112 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,596,862 km

• M1: 159,771 km (0.107 R)
• M2: 660,774 km (0.063 R)
• M3: 1,122,732 km (0.108 R)
• M4: 1,581,848 km (0.095 R)
• M5: 2,012,989 km (0.096 R)
• M6: 2,646,686 km (0.103 R)
• M7: 3,183,891 km (0.104 R)
• M8: 3,912,134 km (0.082 R)
• M9: 4,397,280 km (0.086 R)
• M10: 4,869,859 km (0.061 R)
• M11: 6,410,867 km (0.074 R)
• M12: 6,864,747 km (0.049 R)
• M13: 7,716,707 km (0.042 R)
• M14: 8,131,093 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 13.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.42 AU - 1.56 AU

Year: 1234 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,596,862 km

• M1: 166,652 km (0.095 R)
• M2: 662,719 km (0.105 R)
• M3: 1,231,490 km (0.04 R)
• M4: 1,744,012 km (0.097 R)
• M5: 2,423,037 km (0.111 R)
• M6: 3,410,083 km (0.071 R)
• M7: 3,962,100 km (0.063 R)
• M8: 4,535,957 km (0.11 R)
• M9: 5,964,018 km (0.037 R)
• M10: 6,598,014 km (0.104 R)
• M11: 7,020,030 km (0.078 R)
• M12: 7,836,385 km (0.098 R)
• M13: 9,224,205 km (0.07 R)
• M14: 9,816,911 km (0.098 R)
• M15: 10,534,682 km (0.104 R)
• M16: 11,929,233 km (0.098 R)
• M17: 12,557,844 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 14.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.53 AU - 1.57 AU

Year: 1309 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,596,862 km

• M1: 179,069 km (0.114 R)
• M2: 664,065 km (0.094 R)
• M3: 1,198,429 km (0.073 R)
• M4: 1,725,761 km (0.084 R)
• M5: 2,432,162 km (0.112 R)
• M6: 3,412,327 km (0.099 R)
• M7: 4,898,133 km (0.084 R)
• M8: 6,874,621 km (0.065 R)
• M9: 7,405,543 km (0.097 R)
• M10: 7,886,052 km (0.116 R)
• M11: 8,881,925 km (0.106 R)
• M12: 10,452,702 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 11.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.92 AU - 2.42 AU

Year: 2168 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,596,862 km

• M1: 141,819 km (0.101 R)
• M2: 519,553 km (0.049 R)
• M3: 1,607,429 km (0.091 R)
• M4: 1,973,196 km (0.107 R)
• M5: 2,349,135 km (0.08 R)
• M6: 2,943,787 km (0.098 R)
• M7: 3,778,094 km (0.116 R)
• M8: 4,311,859 km (0.104 R)
• M9: 5,030,079 km (0.089 R)
• M10: 5,469,448 km (0.104 R)
• M11: 6,132,017 km (0.059 R)
• M12: 6,610,580 km (0.117 R)
• M13: 7,262,677 km (0.111 R)
• M14: 7,643,254 km (0.074 R)
• M15: 9,389,361 km (0.107 R)
• M16: 10,595,419 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 13.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.83 AU - 4.23 AU

Year: 5487 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,596,862 km

• M1: 170,392 km (0.105 R)
• M2: 983,456 km (0.115 R)
• M3: 1,898,547 km (0.102 R)
• M4: 2,427,225 km (0.069 R)
• M5: 3,072,740 km (0.075 R)
• M6: 3,614,285 km (0.057 R)
• M7: 5,023,796 km (0.12 R)
• M8: 7,380,411 km (0.081 R)
• M9: 7,841,172 km (0.102 R)
• M10: 9,545,990 km (0.104 R)
• M11: 11,865,505 km (0.119 R)
• M12: 12,549,466 km (0.102 R)
• M13: 14,484,215 km (0.105 R)
• M14: 20,145,896 km (0.075 R)
• M15: 21,907,411 km (0.105 R)
• M16: 22,639,992 km (0.112 R)
• M17: 23,846,200 km (0.074 R)
• M18: 24,465,086 km (0.08 R)
• M19: 25,654,539 km (0.098 R)
• M20: 28,666,243 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.2

Radius: 5.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.01 AU - 6.53 AU

Year: 10649 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,596,862 km

• M1: 65,973 km (0.11 R)
• M2: 546,930 km (0.112 R)
• M3: 863,479 km (0.065 R)
• M4: 1,115,252 km (0.1 R)
• M5: 1,577,958 km (0.073 R)
• M6: 2,393,716 km (0.117 R)
• M7: 2,875,121 km (0.103 R)
• M8: 3,736,805 km (0.1 R)
• M9: 4,097,486 km (0.087 R)
• M10: 5,432,048 km (0.071 R)
• M11: 9,900,686 km (0.057 R)
• M12: 11,826,759 km (0.118 R)
• M13: 12,902,667 km (0.112 R)
• M14: 15,644,945 km (0.102 R)
• M15: 18,817,168 km (0.075 R)
• M16: 20,279,338 km (0.111 R)
• M17: 22,393,156 km (0.053 R)
• M18: 22,612,317 km (0.106 R)
• M19: 25,513,169 km (0.114 R)
• M20: 25,752,226 km (0.087 R)
• M21: 28,056,183 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 4.9

Gravity: 41.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.31 AU - 10.13 AU

Year: 15984 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,596,862 km

• M1: 85,271 km (0.034 R)
• M2: 251,175 km (0.03 R)
• M3: 430,842 km (0.115 R)
• M4: 679,922 km (0.05 R)
• M5: 848,818 km (0.078 R)
• M6: 1,549,984 km (0.055 R)
• M7: 1,828,385 km (0.098 R)
• M8: 2,201,931 km (0.082 R)
• M9: 2,417,950 km (0.039 R)
• M10: 3,288,012 km (0.108 R)
• M11: 4,518,005 km (0.11 R)
• M12: 5,197,928 km (0.096 R)
• M13: 5,661,232 km (0.104 R)
• M14: 6,109,577 km (0.087 R)
• M15: 10,585,396 km (0.088 R)
• M16: 13,194,831 km (0.089 R)
• M17: 14,647,576 km (0.082 R)
• M18: 17,525,241 km (0.102 R)
• M19: 18,125,428 km (0.076 R)
• M20: 18,386,775 km (0.052 R)
• M21: 19,823,513 km (0.116 R)
• M22: 21,624,821 km (0.119 R)
• M23: 23,429,271 km (0.101 R)
• M24: 25,549,072 km (0.082 R)
• M25: 30,044,339 km (0.036 R)
• M26: 31,276,277 km (0.082 R)
• M27: 31,526,704 km (0.085 R)
• M28: 32,670,081 km (0.072 R)
• M29: 36,959,052 km (0.073 R)
• M30: 42,675,186 km (0.11 R)
• M31: 44,704,182 km (0.118 R)
• M32: 46,960,118 km (0.085 R)
• M33: 48,282,713 km (0.116 R)
• M34: 59,577,053 km (0.059 R)
• M35: 61,910,630 km (0.117 R)
• M36: 68,641,188 km (0.038 R)
• M37: 69,701,687 km (0.12 R)
• M38: 71,855,448 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.2

Radius: 3.8

Gravity: 53.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.68 AU - 8.74 AU

Year: 17435 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,596,862 km

• M1: 55,800 km (0.082 R)
• M2: 241,002 km (0.102 R)
• M3: 1,229,694 km (0.086 R)
• M4: 1,390,063 km (0.093 R)
• M5: 1,597,556 km (0.114 R)
• M6: 2,238,732 km (0.04 R)
• M7: 2,616,766 km (0.044 R)
• M8: 3,010,208 km (0.089 R)
• M9: 5,093,359 km (0.081 R)
• M10: 5,586,284 km (0.072 R)
• M11: 6,027,597 km (0.11 R)
• M12: 6,448,566 km (0.06 R)
• M13: 7,927,640 km (0.054 R)
• M14: 10,668,273 km (0.092 R)
• M15: 10,850,334 km (0.069 R)
• M16: 14,866,288 km (0.119 R)
• M17: 19,319,069 km (0.111 R)
• M18: 22,535,423 km (0.093 R)
• M19: 25,438,220 km (0.066 R)
• M20: 30,244,800 km (0.101 R)
• M21: 32,350,839 km (0.117 R)
• M22: 32,477,698 km (0.112 R)
• M23: 35,352,969 km (0.083 R)
• M24: 42,966,603 km (0.11 R)
• M25: 44,987,969 km (0.095 R)
• M26: 49,051,347 km (0.091 R)
• M27: 53,352,585 km (0.045 R)
• M28: 63,288,726 km (0.105 R)
• M29: 66,309,256 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.1

Radius: 4.5

Gravity: 42.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.3 AU - 10.56 AU

Year: 18100 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,596,862 km

• M1: 58,493 km (0.048 R)
• M2: 468,541 km (0.079 R)
• M3: 980,464 km (0.027 R)
• M4: 1,317,508 km (0.081 R)
• M5: 1,914,105 km (0.049 R)
• M6: 3,135,422 km (0.083 R)
• M7: 4,449,041 km (0.093 R)
• M8: 10,267,650 km (0.072 R)
• M9: 10,448,962 km (0.096 R)
• M10: 16,108,848 km (0.082 R)
• M11: 18,491,942 km (0.096 R)
• M12: 24,908,045 km (0.108 R)
• M13: 43,597,756 km (0.105 R)
• M14: 43,914,455 km (0.107 R)
• M15: 47,834,966 km (0.058 R)
• M16: 51,451,345 km (0.073 R)
• M17: 51,804,995 km (0.035 R)
• M18: 54,876,688 km (0.119 R)
• M19: 56,175,945 km (0.116 R)
• M20: 57,305,858 km (0.077 R)
• M21: 63,792,272 km (0.036 R)
• M22: 69,019,670 km (0.114 R)
• M23: 69,234,643 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.7

Radius: 7.9

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.49 AU - 11.15 AU

Year: 20872 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,596,862 km

• M1: 99,782 km (0.07 R)
• M2: 848,968 km (0.099 R)
• M3: 1,362,837 km (0.116 R)
• M4: 1,786,797 km (0.028 R)
• M5: 2,274,935 km (0.057 R)
• M6: 3,026,365 km (0.119 R)
• M7: 3,720,948 km (0.047 R)
• M8: 4,724,600 km (0.061 R)
• M9: 5,422,923 km (0.11 R)
• M10: 6,062,903 km (0.065 R)
• M11: 6,707,520 km (0.107 R)
• M12: 8,756,113 km (0.064 R)
• M13: 9,410,604 km (0.049 R)
• M14: 9,807,188 km (0.101 R)
• M15: 13,606,375 km (0.119 R)
• M16: 15,166,531 km (0.105 R)
• M17: 20,651,986 km (0.062 R)
• M18: 21,322,185 km (0.112 R)
• M19: 23,316,923 km (0.09 R)
• M20: 27,101,599 km (0.083 R)
• M21: 29,438,318 km (0.088 R)
• M22: 34,910,608 km (0.045 R)
• M23: 36,412,122 km (0.108 R)
• M24: 41,778,497 km (0.109 R)
• M25: 42,849,767 km (0.052 R)
• M26: 45,527,569 km (0.079 R)
• M27: 45,849,653 km (0.11 R)
• M28: 48,314,876 km (0.106 R)
• M29: 54,589,011 km (0.036 R)
• M30: 56,053,425 km (0.104 R)
• M31: 58,298,739 km (0.103 R)
• M32: 67,253,368 km (0.046 R)
• M33: 71,294,456 km (0.083 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: 293 - 10,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit