2022 WK1
ephemeris date magn radius delta ra dec elong phase
Today18 Mar 202630.12.475 AU3.129 AU21h19m-21°14'41.6°15.5°
2022 WK1 - 2026-03-18
astro.vanbuitenen.nl


 
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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 2022 WK1 are:

            e (Eccentricity)                : 0.4830123
            a (Semimajor axis)              : 1.6725014
            i (Inclination)                 : 7.89167
            Ω (Longitude of ascending node) : 60.92891
            ω (Argument of perihelion)      : 63.57154
            M (Mean anomaly)                : 116.51273
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 124.28253
            B (Latitude of perihelion)      : 7.06247
            P (Orbital period in years)     : 2.16            
        

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
2026-03-18 00:00 UT   21 19 31.0   -21 14 48     3.129    2.475   41.6   15.5   246   30.1 
2026-03-18 19:59 UT   21 20 49.7   -21 10 17     3.122    2.475   42.1   15.6   246   30.1 
2026-03-19 00:00 UT   21 21 05.4   -21 09 22     3.120    2.475   42.2   15.7   246   30.1 
2026-03-20 00:00 UT   21 22 39.4   -21 03 56     3.111    2.476   42.8   15.9   246   30.1 
2026-03-21 00:00 UT   21 24 13.0   -20 58 30     3.102    2.476   43.4   16.1   246   30.1 
2026-03-22 00:00 UT   21 25 46.2   -20 53 04     3.093    2.476   44.1   16.2   246   30.1 
2026-03-23 00:00 UT   21 27 19.0   -20 47 38     3.084    2.477   44.7   16.4   246   30.1 
2026-03-24 00:00 UT   21 28 51.3   -20 42 12     3.075    2.477   45.3   16.6   246   30.1 
2026-03-25 00:00 UT   21 30 23.2   -20 36 47     3.065    2.478   45.9   16.8   246   30.1 
2026-03-26 00:00 UT   21 31 54.7   -20 31 23     3.056    2.478   46.5   17.0   246   30.1 
2026-03-27 00:00 UT   21 33 25.8   -20 25 59     3.046    2.478   47.2   17.2   246   30.1 
2026-03-28 00:00 UT   21 34 56.5   -20 20 35     3.036    2.479   47.8   17.3   246   30.1 
2026-03-29 00:00 UT   21 36 26.7   -20 15 12     3.027    2.479   48.4   17.5   246   30.1 
2026-03-30 00:00 UT   21 37 56.5   -20 09 50     3.017    2.479   49.0   17.7   246   30.1 
2026-03-31 00:00 UT   21 39 25.8   -20 04 29     3.006    2.479   49.6   17.9   246   30.1 
2026-04-01 00:00 UT   21 40 54.8   -19 59 09     2.996    2.480   50.3   18.1   246   30.1 
2026-04-02 00:00 UT   21 42 23.3   -19 53 49     2.986    2.480   50.9   18.2   246   30.1 
2026-04-03 00:00 UT   21 43 51.3   -19 48 31     2.975    2.480   51.5   18.4   246   30.1 
2026-04-04 00:00 UT   21 45 18.9   -19 43 13     2.965    2.480   52.1   18.6   246   30.1 
2026-04-05 00:00 UT   21 46 46.1   -19 37 57     2.954    2.480   52.8   18.7   246   30.1 
2026-04-06 00:00 UT   21 48 12.8   -19 32 43     2.943    2.480   53.4   18.9   246   30.1 
2026-04-07 00:00 UT   21 49 39.1   -19 27 29     2.932    2.480   54.0   19.1   246   30.1 
2026-04-08 00:00 UT   21 51 04.9   -19 22 17     2.921    2.480   54.7   19.2   246   30.1 
2026-04-09 00:00 UT   21 52 30.3   -19 17 07     2.910    2.480   55.3   19.4   246   30.1 
2026-04-10 00:00 UT   21 53 55.2   -19 11 58     2.898    2.480   55.9   19.5   246   30.1 


    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.