A891 QB
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	12 Feb 2025	11.8	1.989 AU	1.133 AU	12h06m	-05°18'	139.4°	18.8°
Opposition	17 Mar 2025	10.8	2.032 AU	1.037 AU	11h49m	+01°17'	179.7°	0.2°

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 A891 QB are:

            e (Eccentricity)                : 0.1820363
            a (Semimajor axis)              : 2.3742949
            i (Inclination)                 : 11.65203
            Ω (Longitude of ascending node) : 176.57547
            ω (Argument of perihelion)      : 315.84754
            M (Mean anomaly)                : 134.92009
            Epoch                           : 2022 Aug 09

            L (Longitude of perihelion)     : 133.01906
            B (Latitude of perihelion)      : -8.08745
            P (Orbital period in years)     : 3.66            
        

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. A more printer-friendly version of the same chart can be found below.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-02-12 00:00 UT   12 06 29.7   -05 18 42     1.133    1.989  139.4   18.8   298   11.8 
2025-02-12 08:07 UT   12 06 27.8   -05 16 10     1.131    1.989  139.7   18.7   298   11.8 
2025-02-13 00:00 UT   12 06 23.6   -05 11 06     1.127    1.990  140.5   18.4   298   11.8 
2025-02-14 00:00 UT   12 06 15.6   -05 03 09     1.121    1.991  141.6   18.0   299   11.8 
2025-02-15 00:00 UT   12 06 05.7   -04 54 54     1.115    1.992  142.7   17.5   299   11.8 
2025-02-16 00:00 UT   12 05 54.0   -04 46 18     1.109    1.994  143.8   17.0   299   11.7 
2025-02-17 00:00 UT   12 05 40.4   -04 37 23     1.104    1.995  144.9   16.5   299   11.7 
2025-02-18 00:00 UT   12 05 25.0   -04 28 09     1.098    1.996  146.0   16.1   299   11.7 
2025-02-19 00:00 UT   12 05 07.8   -04 18 36     1.093    1.997  147.2   15.6   299   11.7 
2025-02-20 00:00 UT   12 04 48.9   -04 08 45     1.088    1.998  148.3   15.1   299   11.6 
2025-02-21 00:00 UT   12 04 28.2   -03 58 35     1.083    1.999  149.5   14.5   299   11.6 
2025-02-22 00:00 UT   12 04 05.8   -03 48 07     1.079    2.001  150.7   14.0   299   11.6 
2025-02-23 00:00 UT   12 03 41.8   -03 37 22     1.074    2.002  151.8   13.5   299   11.6 
2025-02-24 00:00 UT   12 03 16.1   -03 26 19     1.070    2.003  153.0   13.0   299   11.5 
2025-02-25 00:00 UT   12 02 48.9   -03 15 00     1.066    2.004  154.2   12.4   299   11.5 
2025-02-26 00:00 UT   12 02 20.2   -03 03 25     1.062    2.006  155.4   11.9   299   11.5 
2025-02-27 00:00 UT   12 01 50.0   -02 51 35     1.059    2.007  156.6   11.3   299   11.5 
2025-02-28 00:00 UT   12 01 18.4   -02 39 30     1.056    2.008  157.8   10.7   299   11.4 
2025-03-01 00:00 UT   12 00 45.5   -02 27 10     1.053    2.009  159.0   10.2   299   11.4 
2025-03-02 00:00 UT   12 00 11.3   -02 14 38     1.050    2.011  160.3    9.6   299   11.4 
2025-03-03 00:00 UT   11 59 35.9   -02 01 53     1.047    2.012  161.5    9.0   299   11.3 
2025-03-04 00:00 UT   11 58 59.4   -01 48 56     1.045    2.013  162.7    8.4   299   11.3 
2025-03-05 00:00 UT   11 58 21.9   -01 35 48     1.043    2.015  164.0    7.8   299   11.3 
2025-03-06 00:00 UT   11 57 43.4   -01 22 30     1.041    2.016  165.2    7.2   299   11.3 
2025-03-07 00:00 UT   11 57 04.0   -01 09 03     1.039    2.017  166.5    6.6   299   11.2 
2025-03-08 00:00 UT   11 56 23.8   +00 55 28     1.038    2.019  167.7    6.0   299   11.2 
2025-03-09 00:00 UT   11 55 42.9   +00 41 46     1.037    2.020  169.0    5.4   299   11.2 
2025-03-10 00:00 UT   11 55 01.3   +00 27 57     1.036    2.021  170.2    4.8   299   11.1 
2025-03-11 00:00 UT   11 54 19.2   +00 14 03     1.035    2.023  171.5    4.2   299   11.1 
2025-03-12 00:00 UT   11 53 36.6   +00 00 04     1.035    2.024  172.8    3.6   298   11.1 
2025-03-13 00:00 UT   11 52 53.6   +00 13 58     1.034    2.026  174.0    2.9   298   11.0 
2025-03-14 00:00 UT   11 52 10.2   +00 28 03     1.035    2.027  175.3    2.3   298   11.0 

    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.