2019 UO
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 Jan 2026	27.1	4.218 AU	5.116 AU	18h30m	-23°43'	21.6°	4.9°

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 2019 UO are:

            e (Eccentricity)                : 0.6379996
            a (Semimajor axis)              : 2.6527835
            i (Inclination)                 : 5.70263
            Ω (Longitude of ascending node) : 277.59194
            ω (Argument of perihelion)      : 184.98981
            M (Mean anomaly)                : 130.21689
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 282.55718
            B (Latitude of perihelion)      : -0.49519
            P (Orbital period in years)     : 4.32            
        

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
2026-01-19 00:00 UT   18 30 11.8   -23 43 11     5.116    4.218   21.6    4.9   266   27.1 
2026-01-19 15:32 UT   18 30 52.0   -23 42 30     5.114    4.219   22.1    5.0   266   27.1 
2026-01-20 00:00 UT   18 31 13.8   -23 42 07     5.112    4.219   22.4    5.1   266   27.1 
2026-01-21 00:00 UT   18 32 15.6   -23 41 02     5.107    4.221   23.2    5.3   266   27.1 
2026-01-22 00:00 UT   18 33 17.1   -23 39 56     5.103    4.222   24.0    5.4   266   27.1 
2026-01-23 00:00 UT   18 34 18.3   -23 38 48     5.097    4.224   24.8    5.6   266   27.1 
2026-01-24 00:00 UT   18 35 19.3   -23 37 39     5.092    4.226   25.6    5.8   266   27.2 
2026-01-25 00:00 UT   18 36 20.0   -23 36 29     5.087    4.227   26.3    5.9   266   27.2 
2026-01-26 00:00 UT   18 37 20.4   -23 35 18     5.081    4.229   27.1    6.1   265   27.2 
2026-01-27 00:00 UT   18 38 20.5   -23 34 06     5.075    4.230   27.9    6.3   265   27.2 
2026-01-28 00:00 UT   18 39 20.4   -23 32 52     5.069    4.232   28.7    6.4   265   27.2 
2026-01-29 00:00 UT   18 40 19.9   -23 31 38     5.063    4.233   29.5    6.6   265   27.2 
2026-01-30 00:00 UT   18 41 19.1   -23 30 22     5.056    4.235   30.3    6.7   265   27.2 
2026-01-31 00:00 UT   18 42 18.0   -23 29 05     5.049    4.236   31.1    6.9   265   27.2 
2026-02-01 00:00 UT   18 43 16.6   -23 27 47     5.043    4.238   31.9    7.0   265   27.2 
2026-02-02 00:00 UT   18 44 14.9   -23 26 29     5.035    4.239   32.6    7.2   265   27.2 
2026-02-03 00:00 UT   18 45 12.8   -23 25 09     5.028    4.241   33.4    7.4   265   27.2 
2026-02-04 00:00 UT   18 46 10.4   -23 23 48     5.021    4.242   34.2    7.5   265   27.2 
2026-02-05 00:00 UT   18 47 07.6   -23 22 26     5.013    4.244   35.0    7.7   265   27.2 
2026-02-06 00:00 UT   18 48 04.5   -23 21 04     5.005    4.245   35.8    7.8   265   27.2 
2026-02-07 00:00 UT   18 49 01.0   -23 19 40     4.997    4.246   36.6    8.0   265   27.2 
2026-02-08 00:00 UT   18 49 57.2   -23 18 16     4.989    4.248   37.4    8.1   265   27.2 
2026-02-09 00:00 UT   18 50 53.0   -23 16 50     4.980    4.249   38.2    8.3   265   27.2 
2026-02-10 00:00 UT   18 51 48.4   -23 15 24     4.972    4.251   39.0    8.4   264   27.2 
2026-02-11 00:00 UT   18 52 43.4   -23 13 58     4.963    4.252   39.8    8.5   264   27.2 
2026-02-12 00:00 UT   18 53 38.0   -23 12 30     4.954    4.253   40.6    8.7   264   27.2 
2026-02-13 00:00 UT   18 54 32.3   -23 11 02     4.945    4.255   41.4    8.8   264   27.2 
2026-02-14 00:00 UT   18 55 26.1   -23 09 33     4.935    4.256   42.2    9.0   264   27.2 
2026-02-15 00:00 UT   18 56 19.5   -23 08 04     4.926    4.257   43.0    9.1   264   27.2 
2026-02-16 00:00 UT   18 57 12.4   -23 06 34     4.916    4.259   43.8    9.2   264   27.3 
2026-02-17 00:00 UT   18 58 04.9   -23 05 03     4.906    4.260   44.6    9.4   264   27.3 
2026-02-18 00:00 UT   18 58 57.0   -23 03 32     4.896    4.261   45.4    9.5   264   27.3 

    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.