2020 HD7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Oct 2025	31.2	3.282 AU	2.988 AU	07h49m	+17°16'	98.3°	17.4°

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 2020 HD7 are:

            e (Eccentricity)                : 0.5305493
            a (Semimajor axis)              : 2.2330388
            i (Inclination)                 : 3.54316
            Ω (Longitude of ascending node) : 206.82681
            ω (Argument of perihelion)      : 56.38031
            M (Mean anomaly)                : 228.87799
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 263.15656
            B (Latitude of perihelion)      : 2.94992
            P (Orbital period in years)     : 3.34            
        

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
2025-10-28 00:00 UT   07 49 47.3   +17 16 54     2.988    3.282   98.3   17.4   281   31.2 
2025-10-28 01:46 UT   07 49 48.7   +17 16 44     2.987    3.282   98.3   17.4   281   31.2 
2025-10-29 00:00 UT   07 50 05.4   +17 14 47     2.972    3.280   99.2   17.4   281   31.2 
2025-10-30 00:00 UT   07 50 22.3   +17 12 43     2.955    3.278  100.1   17.4   281   31.1 
2025-10-31 00:00 UT   07 50 38.0   +17 10 42     2.938    3.276  101.1   17.3   281   31.1 
2025-11-01 00:00 UT   07 50 52.5   +17 08 43     2.921    3.274  102.0   17.2   281   31.1 
2025-11-02 00:00 UT   07 51 05.7   +17 06 46     2.904    3.272  102.9   17.2   282   31.1 
2025-11-03 00:00 UT   07 51 17.8   +17 04 52     2.888    3.270  103.9   17.1   282   31.1 
2025-11-04 00:00 UT   07 51 28.6   +17 03 01     2.871    3.268  104.8   17.1   282   31.1 
2025-11-05 00:00 UT   07 51 38.1   +17 01 13     2.854    3.266  105.8   17.0   282   31.0 
2025-11-06 00:00 UT   07 51 46.4   +16 59 28     2.838    3.264  106.7   16.9   282   31.0 
2025-11-07 00:00 UT   07 51 53.3   +16 57 45     2.821    3.262  107.7   16.8   282   31.0 
2025-11-08 00:00 UT   07 51 59.0   +16 56 06     2.805    3.260  108.7   16.7   282   31.0 
2025-11-09 00:00 UT   07 52 03.3   +16 54 30     2.788    3.258  109.7   16.6   282   31.0 
2025-11-10 00:00 UT   07 52 06.3   +16 52 57     2.772    3.256  110.6   16.5   282   31.0 
2025-11-11 00:00 UT   07 52 07.9   +16 51 27     2.756    3.254  111.6   16.4   282   30.9 
2025-11-12 00:00 UT   07 52 08.1   +16 50 00     2.740    3.252  112.6   16.3   282   30.9 
2025-11-13 00:00 UT   07 52 07.0   +16 48 37     2.724    3.250  113.6   16.2   283   30.9 
2025-11-14 00:00 UT   07 52 04.4   +16 47 17     2.708    3.247  114.6   16.1   283   30.9 
2025-11-15 00:00 UT   07 52 00.4   +16 46 01     2.692    3.245  115.7   15.9   283   30.9 
2025-11-16 00:00 UT   07 51 55.0   +16 44 49     2.676    3.243  116.7   15.8   283   30.9 
2025-11-17 00:00 UT   07 51 48.1   +16 43 40     2.661    3.241  117.7   15.7   283   30.8 
2025-11-18 00:00 UT   07 51 39.7   +16 42 35     2.645    3.239  118.7   15.5   283   30.8 
2025-11-19 00:00 UT   07 51 29.9   +16 41 34     2.630    3.236  119.8   15.4   283   30.8 
2025-11-20 00:00 UT   07 51 18.6   +16 40 36     2.615    3.234  120.8   15.2   283   30.8 
2025-11-21 00:00 UT   07 51 05.8   +16 39 43     2.599    3.232  121.9   15.0   283   30.8 
2025-11-22 00:00 UT   07 50 51.4   +16 38 53     2.584    3.230  122.9   14.9   283   30.7 
2025-11-23 00:00 UT   07 50 35.6   +16 38 08     2.570    3.227  124.0   14.7   284   30.7 
2025-11-24 00:00 UT   07 50 18.3   +16 37 27     2.555    3.225  125.1   14.5   284   30.7 
2025-11-25 00:00 UT   07 49 59.4   +16 36 49     2.540    3.223  126.1   14.3   284   30.7 
2025-11-26 00:00 UT   07 49 39.0   +16 36 16     2.526    3.220  127.2   14.1   284   30.7 
2025-11-27 00:00 UT   07 49 17.1   +16 35 47     2.512    3.218  128.3   13.9   284   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.