2021 DT
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	16 Oct 2026	26.7	1.786 AU	0.836 AU	23h44m	-00°08'	154.0°	14.2°

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 DT are:

            e (Eccentricity)                : 0.3423219
            a (Semimajor axis)              : 1.3821334
            i (Inclination)                 : 4.90227
            Ω (Longitude of ascending node) : 2.60610
            ω (Argument of perihelion)      : 210.08596
            M (Mean anomaly)                : 60.25254
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 32.60106
            B (Latitude of perihelion)      : -2.45526
            P (Orbital period in years)     : 1.62            
        

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
2026-10-16 00:00 UT   23 44 14.9   +00 08 19     0.836    1.786  154.0   14.2    70   26.7 
2026-10-16 07:08 UT   23 43 52.8   +00 09 42     0.838    1.787  153.6   14.3    70   26.7 
2026-10-17 00:00 UT   23 43 01.7   +00 12 55     0.843    1.788  152.7   14.8    70   26.8 
2026-10-18 00:00 UT   23 41 51.6   +00 17 18     0.851    1.790  151.4   15.4    69   26.8 
2026-10-19 00:00 UT   23 40 44.4   +00 21 25     0.858    1.792  150.1   16.1    69   26.8 
2026-10-20 00:00 UT   23 39 40.3   +00 25 18     0.866    1.794  148.9   16.7    69   26.9 
2026-10-21 00:00 UT   23 38 39.3   +00 28 55     0.874    1.796  147.6   17.3    69   26.9 
2026-10-22 00:00 UT   23 37 41.3   +00 32 18     0.882    1.798  146.4   17.8    69   27.0 
2026-10-23 00:00 UT   23 36 46.5   +00 35 25     0.891    1.800  145.2   18.4    69   27.0 
2026-10-24 00:00 UT   23 35 54.6   +00 38 17     0.899    1.802  144.0   19.0    69   27.1 
2026-10-25 00:00 UT   23 35 05.9   +00 40 54     0.908    1.803  142.8   19.5    69   27.1 
2026-10-26 00:00 UT   23 34 20.1   +00 43 16     0.917    1.805  141.6   20.0    69   27.1 
2026-10-27 00:00 UT   23 33 37.4   +00 45 23     0.926    1.807  140.4   20.5    69   27.2 
2026-10-28 00:00 UT   23 32 57.7   +00 47 15     0.935    1.808  139.2   21.0    69   27.2 
2026-10-29 00:00 UT   23 32 21.0   +00 48 53     0.945    1.810  138.1   21.5    69   27.3 
2026-10-30 00:00 UT   23 31 47.2   +00 50 15     0.954    1.812  136.9   22.0    69   27.3 
2026-10-31 00:00 UT   23 31 16.4   +00 51 23     0.964    1.813  135.8   22.4    69   27.3 
2026-11-01 00:00 UT   23 30 48.4   +00 52 17     0.974    1.815  134.7   22.9    69   27.4 
2026-11-02 00:00 UT   23 30 23.4   +00 52 56     0.984    1.816  133.6   23.3    69   27.4 
2026-11-03 00:00 UT   23 30 01.1   +00 53 20     0.994    1.818  132.5   23.7    69   27.4 
2026-11-04 00:00 UT   23 29 41.7   +00 53 30     1.004    1.819  131.4   24.1    69   27.5 
2026-11-05 00:00 UT   23 29 25.0   +00 53 27     1.014    1.821  130.4   24.5    69   27.5 
2026-11-06 00:00 UT   23 29 11.1   +00 53 09     1.025    1.822  129.3   24.9    69   27.5 
2026-11-07 00:00 UT   23 28 59.9   +00 52 37     1.035    1.824  128.3   25.3    69   27.6 
2026-11-08 00:00 UT   23 28 51.3   +00 51 52     1.046    1.825  127.3   25.6    69   27.6 
2026-11-09 00:00 UT   23 28 45.4   +00 50 53     1.057    1.826  126.2   25.9    68   27.6 
2026-11-10 00:00 UT   23 28 42.0   +00 49 40     1.067    1.828  125.2   26.3    68   27.7 
2026-11-11 00:00 UT   23 28 41.2   +00 48 15     1.078    1.829  124.2   26.6    68   27.7 
2026-11-12 00:00 UT   23 28 42.9   +00 46 36     1.089    1.830  123.2   26.9    68   27.7 
2026-11-13 00:00 UT   23 28 47.1   +00 44 44     1.100    1.831  122.3   27.2    68   27.8 
2026-11-14 00:00 UT   23 28 53.6   +00 42 40     1.112    1.832  121.3   27.5    68   27.8 
2026-11-15 00:00 UT   23 29 02.5   +00 40 24     1.123    1.834  120.3   27.8    68   27.8 

    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.