2021 QF5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Jun 2026	29.8	3.342 AU	3.252 AU	11h55m	-00°42'	86.2°	17.7°

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
2026-06-25 00:00 UT   11 55 42.6   +00 42 54     3.252    3.342   86.2   17.7   114   29.8 
2026-06-25 19:35 UT   11 56 08.1   +00 45 20     3.265    3.343   85.5   17.6   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 
2026-06-28 00:00 UT   11 57 18.7   +00 52 08     3.302    3.348   83.8   17.6   114   29.9 
2026-06-29 00:00 UT   11 57 52.2   +00 55 22     3.319    3.349   83.0   17.5   114   29.9 
2026-06-30 00:00 UT   11 58 26.4   +00 58 42     3.335    3.351   82.2   17.5   114   29.9 
2026-07-01 00:00 UT   11 59 01.3   -01 02 06     3.352    3.353   81.4   17.4   114   29.9 
2026-07-02 00:00 UT   11 59 36.9   -01 05 34     3.368    3.355   80.6   17.4   114   29.9 
2026-07-03 00:00 UT   12 00 13.2   -01 09 08     3.385    3.357   79.8   17.3   114   29.9 
2026-07-04 00:00 UT   12 00 50.1   -01 12 46     3.401    3.358   79.0   17.3   114   29.9 
2026-07-05 00:00 UT   12 01 27.7   -01 16 28     3.417    3.360   78.2   17.2   114   29.9 
2026-07-06 00:00 UT   12 02 05.9   -01 20 15     3.434    3.362   77.4   17.2   114   29.9 
2026-07-07 00:00 UT   12 02 44.7   -01 24 06     3.450    3.364   76.6   17.1   114   29.9 
2026-07-08 00:00 UT   12 03 24.2   -01 28 01     3.466    3.365   75.9   17.0   114   30.0 
2026-07-09 00:00 UT   12 04 04.3   -01 32 01     3.482    3.367   75.1   17.0   114   30.0 
2026-07-10 00:00 UT   12 04 44.9   -01 36 04     3.498    3.369   74.3   16.9   114   30.0 
2026-07-11 00:00 UT   12 05 26.2   -01 40 12     3.514    3.371   73.5   16.8   114   30.0 
2026-07-12 00:00 UT   12 06 08.1   -01 44 24     3.530    3.372   72.8   16.7   114   30.0 
2026-07-13 00:00 UT   12 06 50.5   -01 48 40     3.546    3.374   72.0   16.7   114   30.0 
2026-07-14 00:00 UT   12 07 33.6   -01 52 59     3.562    3.376   71.3   16.6   114   30.0 
2026-07-15 00:00 UT   12 08 17.1   -01 57 23     3.578    3.377   70.5   16.5   114   30.0 
2026-07-16 00:00 UT   12 09 01.3   -02 01 50     3.593    3.379   69.7   16.4   114   30.0 
2026-07-17 00:00 UT   12 09 45.9   -02 06 21     3.609    3.380   69.0   16.3   114   30.0 
2026-07-18 00:00 UT   12 10 31.1   -02 10 56     3.624    3.382   68.2   16.2   114   30.0 
2026-07-19 00:00 UT   12 11 16.8   -02 15 34     3.640    3.384   67.5   16.1   114   30.0 
2026-07-20 00:00 UT   12 12 03.0   -02 20 15     3.655    3.385   66.7   16.0   114   30.1 
2026-07-21 00:00 UT   12 12 49.8   -02 24 60     3.670    3.387   66.0   15.9   114   30.1 
2026-07-22 00:00 UT   12 13 37.0   -02 29 48     3.685    3.388   65.3   15.8   114   30.1 
2026-07-23 00:00 UT   12 14 24.6   -02 34 39     3.700    3.390   64.5   15.7   114   30.1 
2026-07-24 00:00 UT   12 15 12.8   -02 39 34     3.715    3.391   63.8   15.6   114   30.1 
2026-07-25 00:00 UT   12 16 01.4   -02 44 31     3.730    3.393   63.0   15.5   114   30.1 

    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.