2020 HD7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	27 Nov 2025	30.6	3.218 AU	2.512 AU	07h49m	+16°35'	128.3°	13.9°

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
2025-11-27 00:00 UT   07 49 17.1   +16 35 47     2.512    3.218  128.3   13.9   284   30.6 
2025-11-27 00:49 UT   07 49 16.3   +16 35 46     2.511    3.218  128.4   13.9   284   30.6 
2025-11-28 00:00 UT   07 48 53.6   +16 35 22     2.498    3.216  129.4   13.7   284   30.6 
2025-11-29 00:00 UT   07 48 28.6   +16 35 01     2.484    3.213  130.5   13.5   284   30.6 
2025-11-30 00:00 UT   07 48 02.1   +16 34 45     2.470    3.211  131.6   13.3   284   30.6 
2025-12-01 00:00 UT   07 47 34.0   +16 34 32     2.456    3.208  132.7   13.0   285   30.5 
2025-12-02 00:00 UT   07 47 04.4   +16 34 24     2.443    3.206  133.9   12.8   285   30.5 
2025-12-03 00:00 UT   07 46 33.3   +16 34 20     2.430    3.204  135.0   12.6   285   30.5 
2025-12-04 00:00 UT   07 46 00.6   +16 34 20     2.417    3.201  136.1   12.3   285   30.5 
2025-12-05 00:00 UT   07 45 26.5   +16 34 24     2.404    3.199  137.3   12.1   285   30.5 
2025-12-06 00:00 UT   07 44 50.8   +16 34 33     2.392    3.196  138.4   11.8   285   30.4 
2025-12-07 00:00 UT   07 44 13.6   +16 34 45     2.379    3.194  139.6   11.5   286   30.4 
2025-12-08 00:00 UT   07 43 34.9   +16 35 02     2.367    3.191  140.7   11.3   286   30.4 
2025-12-09 00:00 UT   07 42 54.7   +16 35 23     2.355    3.189  141.9   11.0   286   30.4 
2025-12-10 00:00 UT   07 42 13.0   +16 35 48     2.344    3.186  143.0   10.7   286   30.3 
2025-12-11 00:00 UT   07 41 29.8   +16 36 17     2.332    3.184  144.2   10.4   286   30.3 
2025-12-12 00:00 UT   07 40 45.2   +16 36 51     2.321    3.181  145.4   10.1   287   30.3 
2025-12-13 00:00 UT   07 39 59.2   +16 37 28     2.310    3.178  146.6    9.8   287   30.3 
2025-12-14 00:00 UT   07 39 11.7   +16 38 09     2.299    3.176  147.8    9.5   287   30.2 
2025-12-15 00:00 UT   07 38 22.8   +16 38 54     2.289    3.173  149.0    9.2   288   30.2 
2025-12-16 00:00 UT   07 37 32.5   +16 39 43     2.279    3.171  150.2    8.9   288   30.2 
2025-12-17 00:00 UT   07 36 40.9   +16 40 36     2.269    3.168  151.4    8.6   288   30.2 
2025-12-18 00:00 UT   07 35 48.0   +16 41 33     2.259    3.165  152.6    8.2   289   30.1 
2025-12-19 00:00 UT   07 34 53.8   +16 42 33     2.250    3.163  153.8    7.9   289   30.1 
2025-12-20 00:00 UT   07 33 58.4   +16 43 37     2.241    3.160  155.0    7.6   290   30.1 
2025-12-21 00:00 UT   07 33 01.7   +16 44 44     2.232    3.157  156.2    7.2   290   30.1 
2025-12-22 00:00 UT   07 32 03.8   +16 45 55     2.224    3.155  157.4    6.9   291   30.0 
2025-12-23 00:00 UT   07 31 04.8   +16 47 09     2.215    3.152  158.7    6.5   292   30.0 
2025-12-24 00:00 UT   07 30 04.7   +16 48 26     2.207    3.149  159.9    6.2   292   30.0 
2025-12-25 00:00 UT   07 29 03.6   +16 49 46     2.200    3.146  161.1    5.8   293   30.0 
2025-12-26 00:00 UT   07 28 01.4   +16 51 10     2.192    3.144  162.3    5.5   294   29.9 
2025-12-27 00:00 UT   07 26 58.3   +16 52 36     2.185    3.141  163.5    5.1   296   29.9 

    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.