2021 QF5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 May 2026	29.4	3.283 AU	2.785 AU	11h47m	+00°00'	110.7°	16.8°

The interactive orbit chart above shows the body's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below. (Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)

The orbital elements of 2021 QF5 are:

            e (Eccentricity)                : 0.5459897
            a (Semimajor axis)              : 2.2474119
            i (Inclination)                 : 1.21881
            Ω (Longitude of ascending node) : 256.67743
            ω (Argument of perihelion)      : 135.04830
            M (Mean anomaly)                : 75.78266
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 211.73221
            B (Latitude of perihelion)      : 0.86107
            P (Orbital period in years)     : 3.37            
        

The light curve chart below shows the estimated development of the minor planet's magnitude.

The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.

The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2026-05-28 00:00 UT   11 47 03.2   +00 00 28     2.785    3.283  110.7   16.8   113   29.4 
2026-05-28 16:20 UT   11 47 06.5   +00 00 27     2.796    3.285  110.0   16.8   113   29.4 
2026-05-29 00:00 UT   11 47 08.2   +00 00 26     2.801    3.285  109.7   16.9   113   29.4 
2026-05-30 00:00 UT   11 47 14.3   +00 00 17     2.818    3.288  108.8   17.0   113   29.5 
2026-05-31 00:00 UT   11 47 21.5   +00 00 00     2.834    3.290  107.9   17.1   113   29.5 
2026-06-01 00:00 UT   11 47 29.8   +00 00 24     2.850    3.292  107.0   17.1   113   29.5 
2026-06-02 00:00 UT   11 47 39.2   +00 00 55     2.867    3.294  106.0   17.2   113   29.5 
2026-06-03 00:00 UT   11 47 49.7   +00 01 33     2.883    3.297  105.1   17.3   113   29.5 
2026-06-04 00:00 UT   11 48 01.2   +00 02 19     2.900    3.299  104.2   17.3   113   29.5 
2026-06-05 00:00 UT   11 48 13.7   +00 03 11     2.916    3.301  103.3   17.4   113   29.6 
2026-06-06 00:00 UT   11 48 27.3   +00 04 10     2.933    3.303  102.4   17.5   113   29.6 
2026-06-07 00:00 UT   11 48 41.9   +00 05 16     2.949    3.305  101.5   17.5   113   29.6 
2026-06-08 00:00 UT   11 48 57.5   +00 06 29     2.966    3.307  100.6   17.6   113   29.6 
2026-06-09 00:00 UT   11 49 14.0   +00 07 48     2.983    3.310   99.7   17.6   113   29.6 
2026-06-10 00:00 UT   11 49 31.6   +00 09 14     3.000    3.312   98.9   17.6   113   29.6 
2026-06-11 00:00 UT   11 49 50.1   +00 10 46     3.016    3.314   98.0   17.7   113   29.6 
2026-06-12 00:00 UT   11 50 09.5   +00 12 25     3.033    3.316   97.1   17.7   113   29.7 
2026-06-13 00:00 UT   11 50 29.9   +00 14 10     3.050    3.318   96.3   17.7   113   29.7 
2026-06-14 00:00 UT   11 50 51.2   +00 16 01     3.067    3.320   95.4   17.7   113   29.7 
2026-06-15 00:00 UT   11 51 13.4   +00 17 59     3.084    3.322   94.5   17.7   113   29.7 
2026-06-16 00:00 UT   11 51 36.5   +00 20 03     3.101    3.324   93.7   17.8   113   29.7 
2026-06-17 00:00 UT   11 52 00.5   +00 22 12     3.117    3.326   92.8   17.8   113   29.7 
2026-06-18 00:00 UT   11 52 25.4   +00 24 28     3.134    3.328   92.0   17.8   113   29.7 
2026-06-19 00:00 UT   11 52 51.1   +00 26 49     3.151    3.330   91.1   17.8   113   29.8 
2026-06-20 00:00 UT   11 53 17.7   +00 29 16     3.168    3.332   90.3   17.8   113   29.8 
2026-06-21 00:00 UT   11 53 45.1   +00 31 49     3.185    3.334   89.5   17.7   113   29.8 
2026-06-22 00:00 UT   11 54 13.3   +00 34 27     3.202    3.336   88.7   17.7   113   29.8 
2026-06-23 00:00 UT   11 54 42.3   +00 37 11     3.218    3.338   87.8   17.7   113   29.8 
2026-06-24 00:00 UT   11 55 12.1   +00 40 00     3.235    3.340   87.0   17.7   113   29.8 
2026-06-25 00:00 UT   11 55 42.6   +00 42 54     3.252    3.342   86.2   17.7   114   29.8 
2026-06-26 00:00 UT   11 56 13.9   +00 45 54     3.269    3.344   85.4   17.6   114   29.8 
2026-06-27 00:00 UT   11 56 46.0   +00 48 58     3.285    3.346   84.6   17.6   114   29.8 

    Terminology:
            
    delta:  distance between minor planet and earth in AU
    radius: distance between minor planet and sun in AU
    magn:   magnitude (brightness) estimate    
    ra:     right ascension in hours (24h = 360deg)
    dec:    declination in degrees
    elong:  elongation in degrees (angle sun-earth-minor planet)    
    phase:  phase angle in degrees (angle sun-minor planet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km
    

Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.