(797455) 2011 HJ7
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	3 Nov 2025	25.5	1.468 AU	1.427 AU	10h03m	+13°06'	72.2°	40.1°

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 2011 HJ7 are:

            e (Eccentricity)                : 0.5161515
            a (Semimajor axis)              : 1.2509868
            i (Inclination)                 : 1.11619
            Ω (Longitude of ascending node) : 34.33000
            ω (Argument of perihelion)      : 297.31232
            M (Mean anomaly)                : 94.46922
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : -28.35325
            B (Latitude of perihelion)      : -0.99174
            P (Orbital period in years)     : 1.40            
        

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
2025-11-03 00:00 UT   10 03 18.1   +13 06 43     1.427    1.468   72.2   40.1   291   25.5 
2025-11-03 01:24 UT   10 03 23.3   +13 06 17     1.427    1.468   72.2   40.0   291   25.5 
2025-11-04 00:00 UT   10 04 46.9   +12 59 22     1.422    1.474   72.8   40.0   291   25.5 
2025-11-05 00:00 UT   10 06 14.3   +12 52 07     1.418    1.481   73.4   39.9   291   25.5 
2025-11-06 00:00 UT   10 07 40.4   +12 44 58     1.413    1.487   74.1   39.9   291   25.5 
2025-11-07 00:00 UT   10 09 05.2   +12 37 55     1.408    1.493   74.7   39.8   291   25.5 
2025-11-08 00:00 UT   10 10 28.5   +12 30 57     1.403    1.499   75.4   39.8   291   25.5 
2025-11-09 00:00 UT   10 11 50.4   +12 24 06     1.398    1.505   76.0   39.7   291   25.5 
2025-11-10 00:00 UT   10 13 10.9   +12 17 22     1.393    1.511   76.7   39.6   291   25.5 
2025-11-11 00:00 UT   10 14 30.0   +12 10 43     1.387    1.517   77.3   39.5   291   25.5 
2025-11-12 00:00 UT   10 15 47.6   +12 04 12     1.382    1.523   78.0   39.5   291   25.5 
2025-11-13 00:00 UT   10 17 03.8   +11 57 48     1.376    1.529   78.7   39.4   291   25.5 
2025-11-14 00:00 UT   10 18 18.5   +11 51 31     1.370    1.535   79.4   39.3   291   25.5 
2025-11-15 00:00 UT   10 19 31.7   +11 45 22     1.364    1.541   80.1   39.2   291   25.5 
2025-11-16 00:00 UT   10 20 43.3   +11 39 20     1.358    1.547   80.8   39.1   291   25.5 
2025-11-17 00:00 UT   10 21 53.4   +11 33 27     1.352    1.552   81.5   39.1   291   25.5 
2025-11-18 00:00 UT   10 23 01.9   +11 27 41     1.346    1.558   82.2   39.0   291   25.5 
2025-11-19 00:00 UT   10 24 08.8   +11 22 05     1.340    1.563   82.9   38.9   291   25.5 
2025-11-20 00:00 UT   10 25 14.1   +11 16 36     1.333    1.569   83.6   38.8   292   25.5 
2025-11-21 00:00 UT   10 26 17.8   +11 11 17     1.327    1.574   84.4   38.6   292   25.5 
2025-11-22 00:00 UT   10 27 19.8   +11 06 07     1.320    1.580   85.1   38.5   292   25.5 
2025-11-23 00:00 UT   10 28 20.1   +11 01 06     1.313    1.585   85.9   38.4   292   25.5 
2025-11-24 00:00 UT   10 29 18.7   +10 56 15     1.307    1.591   86.6   38.3   292   25.4 
2025-11-25 00:00 UT   10 30 15.6   +10 51 33     1.300    1.596   87.4   38.2   292   25.4 
2025-11-26 00:00 UT   10 31 10.7   +10 47 02     1.293    1.601   88.1   38.0   292   25.4 
2025-11-27 00:00 UT   10 32 04.0   +10 42 41     1.286    1.606   88.9   37.9   292   25.4 
2025-11-28 00:00 UT   10 32 55.5   +10 38 31     1.279    1.611   89.7   37.8   292   25.4 
2025-11-29 00:00 UT   10 33 45.1   +10 34 31     1.272    1.617   90.5   37.6   292   25.4 
2025-11-30 00:00 UT   10 34 32.9   +10 30 42     1.264    1.622   91.3   37.5   292   25.4 
2025-12-01 00:00 UT   10 35 18.8   +10 27 04     1.257    1.627   92.1   37.3   292   25.4 
2025-12-02 00:00 UT   10 36 02.8   +10 23 38     1.250    1.632   93.0   37.1   292   25.4 

    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.