2021 QF5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Apr 2026	28.8	3.208 AU	2.356 AU	11h54m	-01°01'	141.7°	11.2°

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
2026-04-28 00:00 UT   11 54 10.0   -01 01 33     2.356    3.208  141.7   11.2   112   28.8 
2026-04-28 16:43 UT   11 53 46.9   +00 58 42     2.365    3.209  140.9   11.4   112   28.8 
2026-04-29 00:00 UT   11 53 37.0   +00 57 28     2.368    3.210  140.6   11.5   112   28.8 
2026-04-30 00:00 UT   11 53 05.3   +00 53 32     2.380    3.213  139.4   11.8   112   28.9 
2026-05-01 00:00 UT   11 52 34.8   +00 49 43     2.393    3.216  138.3   12.0   112   28.9 
2026-05-02 00:00 UT   11 52 05.7   +00 46 03     2.405    3.218  137.2   12.3   112   28.9 
2026-05-03 00:00 UT   11 51 37.9   +00 42 31     2.418    3.221  136.1   12.5   112   28.9 
2026-05-04 00:00 UT   11 51 11.4   +00 39 07     2.431    3.224  135.0   12.8   112   28.9 
2026-05-05 00:00 UT   11 50 46.2   +00 35 52     2.444    3.226  133.9   13.0   112   29.0 
2026-05-06 00:00 UT   11 50 22.4   +00 32 45     2.457    3.229  132.9   13.2   112   29.0 
2026-05-07 00:00 UT   11 49 59.8   +00 29 46     2.470    3.232  131.8   13.5   112   29.0 
2026-05-08 00:00 UT   11 49 38.6   +00 26 57     2.484    3.234  130.7   13.7   112   29.0 
2026-05-09 00:00 UT   11 49 18.7   +00 24 15     2.498    3.237  129.7   13.9   112   29.1 
2026-05-10 00:00 UT   11 49 00.0   +00 21 42     2.512    3.239  128.6   14.1   112   29.1 
2026-05-11 00:00 UT   11 48 42.8   +00 19 17     2.526    3.242  127.6   14.3   112   29.1 
2026-05-12 00:00 UT   11 48 26.8   +00 17 01     2.540    3.244  126.5   14.5   112   29.1 
2026-05-13 00:00 UT   11 48 12.1   +00 14 54     2.554    3.247  125.5   14.7   112   29.1 
2026-05-14 00:00 UT   11 47 58.7   +00 12 55     2.569    3.249  124.5   14.9   112   29.2 
2026-05-15 00:00 UT   11 47 46.6   +00 11 04     2.584    3.252  123.4   15.0   112   29.2 
2026-05-16 00:00 UT   11 47 35.8   +00 09 22     2.598    3.254  122.4   15.2   113   29.2 
2026-05-17 00:00 UT   11 47 26.3   +00 07 48     2.613    3.257  121.4   15.4   113   29.2 
2026-05-18 00:00 UT   11 47 18.0   +00 06 22     2.629    3.259  120.4   15.5   113   29.2 
2026-05-19 00:00 UT   11 47 11.0   +00 05 05     2.644    3.262  119.4   15.7   113   29.3 
2026-05-20 00:00 UT   11 47 05.3   +00 03 56     2.659    3.264  118.4   15.8   113   29.3 
2026-05-21 00:00 UT   11 47 00.8   +00 02 55     2.675    3.267  117.4   16.0   113   29.3 
2026-05-22 00:00 UT   11 46 57.6   +00 02 02     2.690    3.269  116.4   16.1   113   29.3 
2026-05-23 00:00 UT   11 46 55.5   +00 01 18     2.706    3.271  115.5   16.2   113   29.3 
2026-05-24 00:00 UT   11 46 54.7   +00 00 41     2.721    3.274  114.5   16.3   113   29.3 
2026-05-25 00:00 UT   11 46 55.1   +00 00 12     2.737    3.276  113.5   16.5   113   29.4 
2026-05-26 00:00 UT   11 46 56.6   +00 00 09     2.753    3.278  112.6   16.6   113   29.4 
2026-05-27 00:00 UT   11 46 59.3   +00 00 22     2.769    3.281  111.6   16.7   113   29.4 
2026-05-28 00:00 UT   11 47 03.2   +00 00 28     2.785    3.283  110.7   16.8   113   29.4 

    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.