2020 HD7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Jun 2026	30.6	2.475 AU	3.181 AU	07h52m	+18°11'	39.0°	14.9°

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
2026-06-09 00:00 UT   07 52 56.4   +18 11 26     3.181    2.475   39.0   14.9   104   30.6 
2026-06-09 03:56 UT   07 53 11.3   +18 10 52     3.181    2.475   38.9   14.9   104   30.6 
2026-06-10 00:00 UT   07 54 27.6   +18 07 56     3.184    2.470   38.4   14.8   104   30.6 
2026-06-11 00:00 UT   07 55 59.2   +18 04 21     3.187    2.465   37.8   14.6   105   30.6 
2026-06-12 00:00 UT   07 57 31.4   +18 00 40     3.190    2.459   37.2   14.5   105   30.6 
2026-06-13 00:00 UT   07 59 04.0   +17 56 55     3.193    2.454   36.6   14.3   105   30.6 
2026-06-14 00:00 UT   08 00 37.1   +17 53 04     3.195    2.448   36.1   14.1   105   30.6 
2026-06-15 00:00 UT   08 02 10.7   +17 49 09     3.198    2.443   35.5   14.0   105   30.6 
2026-06-16 00:00 UT   08 03 44.8   +17 45 08     3.200    2.437   34.9   13.8   106   30.6 
2026-06-17 00:00 UT   08 05 19.3   +17 41 02     3.202    2.432   34.3   13.6   106   30.5 
2026-06-18 00:00 UT   08 06 54.2   +17 36 51     3.204    2.426   33.8   13.5   106   30.5 
2026-06-19 00:00 UT   08 08 29.7   +17 32 35     3.206    2.421   33.2   13.3   106   30.5 
2026-06-20 00:00 UT   08 10 05.5   +17 28 14     3.208    2.415   32.6   13.1   106   30.5 
2026-06-21 00:00 UT   08 11 41.8   +17 23 48     3.210    2.409   32.1   12.9   107   30.5 
2026-06-22 00:00 UT   08 13 18.5   +17 19 16     3.211    2.404   31.5   12.8   107   30.5 
2026-06-23 00:00 UT   08 14 55.7   +17 14 39     3.212    2.398   30.9   12.6   107   30.5 
2026-06-24 00:00 UT   08 16 33.2   +17 09 57     3.213    2.393   30.4   12.4   107   30.5 
2026-06-25 00:00 UT   08 18 11.2   +17 05 10     3.214    2.387   29.8   12.2   107   30.5 
2026-06-26 00:00 UT   08 19 49.6   +17 00 17     3.215    2.381   29.3   12.1   108   30.4 
2026-06-27 00:00 UT   08 21 28.4   +16 55 19     3.216    2.376   28.7   11.9   108   30.4 
2026-06-28 00:00 UT   08 23 07.6   +16 50 16     3.217    2.370   28.2   11.7   108   30.4 
2026-06-29 00:00 UT   08 24 47.2   +16 45 07     3.217    2.364   27.6   11.5   108   30.4 
2026-06-30 00:00 UT   08 26 27.2   +16 39 53     3.218    2.358   27.1   11.3   109   30.4 

    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.