2016 HM3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	8 Mar 2026	30.4	2.611 AU	2.302 AU	05h32m	+25°26'	96.7°	22.2°

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 2016 HM3 are:

            e (Eccentricity)                : 0.5334343
            a (Semimajor axis)              : 2.3152242
            i (Inclination)                 : 2.14348
            Ω (Longitude of ascending node) : 43.49266
            ω (Argument of perihelion)      : 195.76197
            M (Mean anomaly)                : 255.88175
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 59.24415
            B (Latitude of perihelion)      : -0.58213
            P (Orbital period in years)     : 3.52            
        

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
2026-03-08 00:00 UT   05 32 27.4   +25 26 51     2.302    2.611   96.7   22.2    88   30.4 
2026-03-08 02:41 UT   05 32 30.1   +25 26 49     2.303    2.610   96.6   22.2    88   30.4 
2026-03-09 00:00 UT   05 32 52.1   +25 26 34     2.311    2.606   95.8   22.3    88   30.4 
2026-03-10 00:00 UT   05 33 18.5   +25 26 17     2.320    2.601   94.9   22.4    88   30.5 
2026-03-11 00:00 UT   05 33 46.5   +25 26 02     2.329    2.595   94.0   22.4    88   30.5 
2026-03-12 00:00 UT   05 34 16.1   +25 25 47     2.338    2.590   93.1   22.5    88   30.5 
2026-03-13 00:00 UT   05 34 47.3   +25 25 33     2.347    2.585   92.3   22.6    88   30.5 
2026-03-14 00:00 UT   05 35 20.1   +25 25 20     2.357    2.580   91.4   22.7    88   30.5 
2026-03-15 00:00 UT   05 35 54.5   +25 25 07     2.366    2.574   90.5   22.7    88   30.5 
2026-03-16 00:00 UT   05 36 30.4   +25 24 56     2.375    2.569   89.6   22.8    88   30.5 
2026-03-17 00:00 UT   05 37 07.9   +25 24 44     2.384    2.564   88.8   22.8    88   30.5 
2026-03-18 00:00 UT   05 37 46.8   +25 24 33     2.393    2.558   87.9   22.9    88   30.5 
2026-03-19 00:00 UT   05 38 27.3   +25 24 23     2.402    2.553   87.1   22.9    88   30.5 
2026-03-20 00:00 UT   05 39 09.2   +25 24 12     2.411    2.548   86.3   23.0    88   30.5 
2026-03-21 00:00 UT   05 39 52.6   +25 24 02     2.420    2.542   85.4   23.0    88   30.5 
2026-03-22 00:00 UT   05 40 37.4   +25 23 52     2.428    2.537   84.6   23.0    88   30.5 
2026-03-23 00:00 UT   05 41 23.7   +25 23 42     2.437    2.531   83.8   23.0    88   30.5 
2026-03-24 00:00 UT   05 42 11.4   +25 23 33     2.446    2.526   83.0   23.1    88   30.5 
2026-03-25 00:00 UT   05 43 00.4   +25 23 23     2.455    2.520   82.2   23.1    88   30.5 
2026-03-26 00:00 UT   05 43 50.8   +25 23 13     2.463    2.515   81.4   23.1    88   30.5 
2026-03-27 00:00 UT   05 44 42.6   +25 23 02     2.472    2.509   80.6   23.1    88   30.5 
2026-03-28 00:00 UT   05 45 35.6   +25 22 51     2.480    2.504   79.8   23.1    88   30.5 
2026-03-29 00:00 UT   05 46 30.0   +25 22 40     2.489    2.498   79.0   23.1    88   30.5 
2026-03-30 00:00 UT   05 47 25.7   +25 22 28     2.497    2.493   78.2   23.1    88   30.5 
2026-03-31 00:00 UT   05 48 22.6   +25 22 16     2.505    2.487   77.5   23.1    88   30.5 
2026-04-01 00:00 UT   05 49 20.8   +25 22 03     2.514    2.482   76.7   23.1    88   30.6 
2026-04-02 00:00 UT   05 50 20.2   +25 21 49     2.522    2.476   75.9   23.0    89   30.6 
2026-04-03 00:00 UT   05 51 20.8   +25 21 35     2.530    2.471   75.2   23.0    89   30.6 
2026-04-04 00:00 UT   05 52 22.7   +25 21 19     2.538    2.465   74.4   23.0    89   30.6 
2026-04-05 00:00 UT   05 53 25.7   +25 21 02     2.546    2.459   73.7   23.0    89   30.6 
2026-04-06 00:00 UT   05 54 29.9   +25 20 44     2.553    2.454   72.9   22.9    89   30.6 
2026-04-07 00:00 UT   05 55 35.3   +25 20 25     2.561    2.448   72.2   22.9    89   30.6 

    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.