🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 9.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.96 AU - 1.1 AU

Year: 697 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,865,674 km

• M1: 120,576 km (0.083 R)
• M2: 444,455 km (0.103 R)
• M3: 1,095,954 km (0.098 R)
• M4: 2,053,081 km (0.08 R)
• M5: 2,587,594 km (0.043 R)
• M6: 3,322,569 km (0.105 R)
• M7: 3,691,178 km (0.114 R)
• M8: 4,362,274 km (0.091 R)
• M9: 4,877,339 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 10.8

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.14 AU

Year: 728 Days

Day: 11.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,865,674 km

• M1: 134,937 km (0.083 R)
• M2: 491,130 km (0.037 R)
• M3: 876,344 km (0.1 R)
• M4: 1,248,843 km (0.114 R)
• M5: 1,728,603 km (0.088 R)
• M6: 2,277,029 km (0.098 R)
• M7: 2,976,250 km (0.088 R)
• M8: 3,842,870 km (0.062 R)
• M9: 4,360,030 km (0.104 R)
• M10: 4,782,345 km (0.07 R)
• M11: 5,438,481 km (0.049 R)
• M12: 5,868,276 km (0.06 R)
• M13: 6,341,903 km (0.051 R)
• M14: 7,942,301 km (0.081 R)
• M15: 8,969,589 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 10.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.21 AU - 1.39 AU

Year: 988 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,865,674 km

• M1: 125,662 km (0.076 R)
• M2: 442,062 km (0.101 R)
• M3: 914,193 km (0.112 R)
• M4: 1,339,649 km (0.094 R)
• M5: 1,720,226 km (0.051 R)
• M6: 2,183,082 km (0.109 R)
• M7: 2,566,651 km (0.111 R)
• M8: 3,007,665 km (0.11 R)
• M9: 3,966,139 km (0.098 R)
• M10: 4,558,098 km (0.108 R)
• M11: 5,356,352 km (0.109 R)
• M12: 5,958,483 km (0.091 R)
• M13: 6,497,933 km (0.09 R)
• M14: 7,046,957 km (0.064 R)
• M15: 7,722,392 km (0.068 R)
• M16: 8,088,308 km (0.11 R)
• M17: 8,828,668 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 9.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.69 AU - 1.95 AU

Year: 1637 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,865,674 km

• M1: 120,576 km (0.031 R)
• M2: 686,804 km (0.072 R)
• M3: 993,779 km (0.073 R)
• M4: 1,640,490 km (0.09 R)
• M5: 1,999,076 km (0.103 R)
• M6: 2,584,902 km (0.108 R)
• M7: 3,132,729 km (0.082 R)
• M8: 3,789,464 km (0.047 R)
• M9: 4,441,860 km (0.093 R)
• M10: 6,484,469 km (0.051 R)
• M11: 8,351,451 km (0.03 R)
• M12: 9,705,611 km (0.097 R)
• M13: 10,652,565 km (0.094 R)
• M14: 12,242,342 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 12.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.75 AU - 2.09 AU

Year: 1774 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,865,674 km

• M1: 157,975 km (0.103 R)
• M2: 728,542 km (0.105 R)
• M3: 1,140,833 km (0.111 R)
• M4: 1,559,857 km (0.095 R)
• M5: 2,049,042 km (0.085 R)
• M6: 2,558,872 km (0.09 R)
• M7: 3,060,623 km (0.07 R)
• M8: 3,492,063 km (0.052 R)
• M9: 4,380,674 km (0.119 R)
• M10: 7,387,442 km (0.067 R)
• M11: 7,991,967 km (0.091 R)
• M12: 8,786,033 km (0.045 R)
• M13: 9,333,262 km (0.088 R)
• M14: 10,179,088 km (0.109 R)
• M15: 12,259,246 km (0.088 R)
• M16: 13,149,354 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.5

Radius: 12.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.09 AU - 6.19 AU

Year: 8932 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,865,674 km

• M1: 157,975 km (0.092 R)
• M2: 905,516 km (0.106 R)
• M3: 1,524,402 km (0.05 R)
• M4: 1,970,503 km (0.065 R)
• M5: 2,947,078 km (0.116 R)
• M6: 3,674,273 km (0.103 R)
• M7: 5,030,528 km (0.068 R)
• M8: 6,071,430 km (0.054 R)
• M9: 6,625,540 km (0.103 R)
• M10: 7,481,090 km (0.111 R)
• M11: 9,548,383 km (0.107 R)
• M12: 11,499,140 km (0.04 R)
• M13: 11,972,318 km (0.032 R)
• M14: 13,355,500 km (0.102 R)
• M15: 14,966,220 km (0.105 R)
• M16: 15,658,260 km (0.053 R)
• M17: 17,038,749 km (0.117 R)
• M18: 19,815,285 km (0.103 R)
• M19: 20,343,814 km (0.09 R)
• M20: 24,225,281 km (0.107 R)
• M21: 26,159,282 km (0.08 R)
• M22: 30,232,832 km (0.117 R)
• M23: 33,525,930 km (0.114 R)
• M24: 34,820,251 km (0.101 R)
• M25: 35,259,021 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.1

Radius: 7

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.27 AU - 6.43 AU

Year: 10671 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,865,674 km

• M1: 87,216 km (0.116 R)
• M2: 496,515 km (0.08 R)
• M3: 745,895 km (0.104 R)
• M4: 1,232,836 km (0.068 R)
• M5: 1,569,282 km (0.111 R)
• M6: 2,142,391 km (0.086 R)
• M7: 2,528,054 km (0.108 R)
• M8: 2,846,997 km (0.076 R)
• M9: 5,122,381 km (0.119 R)
• M10: 5,634,604 km (0.068 R)
• M11: 6,681,639 km (0.117 R)
• M12: 7,335,232 km (0.101 R)
• M13: 9,203,859 km (0.079 R)
• M14: 10,169,065 km (0.072 R)
• M15: 11,088,344 km (0.111 R)
• M16: 13,278,756 km (0.061 R)
• M17: 15,048,499 km (0.072 R)
• M18: 17,874,103 km (0.077 R)
• M19: 20,108,347 km (0.064 R)
• M20: 24,835,042 km (0.067 R)
• M21: 26,395,647 km (0.105 R)
• M22: 27,710,762 km (0.083 R)
• M23: 30,361,785 km (0.031 R)
• M24: 34,231,882 km (0.106 R)
• M25: 35,067,536 km (0.039 R)
• M26: 39,191,201 km (0.102 R)
• M27: 41,167,988 km (0.115 R)
• M28: 43,348,825 km (0.115 R)
• M29: 44,326,747 km (0.079 R)
• M30: 45,605,509 km (0.08 R)
• M31: 46,037,249 km (0.1 R)
• M32: 46,326,571 km (0.047 R)
• M33: 48,535,084 km (0.066 R)
• M34: 50,812,862 km (0.115 R)
• M35: 51,276,765 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383

Radius: 4.5

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.29 AU - 7.71 AU

Year: 13697 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,865,674 km

• M1: 60,138 km (0.091 R)
• M2: 344,374 km (0.064 R)
• M3: 566,976 km (0.111 R)
• M4: 881,730 km (0.082 R)
• M5: 1,101,190 km (0.08 R)
• M6: 1,547,740 km (0.065 R)
• M7: 2,123,841 km (0.108 R)
• M8: 2,269,400 km (0.048 R)
• M9: 2,621,254 km (0.094 R)
• M10: 3,076,929 km (0.114 R)
• M11: 3,287,563 km (0.08 R)
• M12: 3,660,062 km (0.111 R)
• M13: 3,923,653 km (0.097 R)
• M14: 4,668,501 km (0.062 R)
• M15: 5,849,576 km (0.091 R)
• M16: 6,209,957 km (0.082 R)
• M17: 6,975,300 km (0.046 R)
• M18: 7,631,287 km (0.118 R)
• M19: 9,596,703 km (0.092 R)
• M20: 10,354,865 km (0.117 R)
• M21: 10,882,048 km (0.066 R)
• M22: 12,046,967 km (0.091 R)
• M23: 13,601,289 km (0.103 R)
• M24: 18,594,118 km (0.077 R)
• M25: 21,579,642 km (0.118 R)
• M26: 25,527,530 km (0.071 R)
• M27: 26,004,598 km (0.095 R)
• M28: 27,272,440 km (0.092 R)
• M29: 27,471,106 km (0.053 R)
• M30: 27,971,959 km (0.079 R)
• M31: 30,036,560 km (0.112 R)
• M32: 32,533,647 km (0.076 R)
• M33: 33,433,778 km (0.115 R)
• M34: 39,565,046 km (0.064 R)
• M35: 40,849,045 km (0.096 R)
• M36: 41,239,645 km (0.063 R)
• M37: 45,981,898 km (0.066 R)
• M38: 46,972,086 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.6

Radius: 3.5

Gravity: 44.29 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.28 AU - 8.04 AU

Year: 14138 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,865,674 km

• M1: 50,115 km (0.084 R)
• M2: 276,457 km (0.046 R)
• M3: 490,083 km (0.079 R)
• M4: 884,722 km (0.115 R)
• M5: 1,059,003 km (0.114 R)
• M6: 1,349,373 km (0.105 R)
• M7: 1,565,841 km (0.029 R)
• M8: 2,013,288 km (0.12 R)
• M9: 3,697,162 km (0.074 R)
• M10: 4,062,181 km (0.057 R)
• M11: 4,606,866 km (0.117 R)
• M12: 6,333,525 km (0.093 R)
• M13: 6,570,787 km (0.106 R)
• M14: 6,691,662 km (0.038 R)
• M15: 7,404,945 km (0.116 R)
• M16: 7,937,962 km (0.067 R)
• M17: 9,742,113 km (0.077 R)
• M18: 10,545,453 km (0.113 R)
• M19: 10,767,008 km (0.083 R)
• M20: 11,392,027 km (0.079 R)
• M21: 12,343,919 km (0.082 R)
• M22: 13,737,572 km (0.117 R)
• M23: 14,001,613 km (0.108 R)
• M24: 16,238,550 km (0.093 R)
• M25: 17,518,509 km (0.11 R)
• M26: 20,192,272 km (0.091 R)
• M27: 20,362,514 km (0.095 R)
• M28: 21,759,309 km (0.11 R)
• M29: 22,208,552 km (0.096 R)
• M30: 24,067,605 km (0.085 R)
• M31: 25,927,405 km (0.063 R)
• M32: 26,840,850 km (0.111 R)
• M33: 30,822,098 km (0.087 R)
• M34: 32,193,163 km (0.111 R)
• M35: 38,736,873 km (0.111 R)
• M36: 40,332,334 km (0.107 R)
• M37: 43,511,588 km (0.118 R)
• M38: 51,306,684 km (0.095 R)
• M39: 54,536,652 km (0.118 R)
• M40: 54,701,658 km (0.051 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: 371 - 19,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit