2019 UO
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 Apr 2026	27.0	4.321 AU	4.078 AU	19h32m	-21°41'	97.2°	13.3°

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
2026-04-19 00:00 UT   19 32 18.4   -21 41 56     4.078    4.321   97.2   13.3   261   27.0 
2026-04-19 02:56 UT   19 32 19.6   -21 41 50     4.077    4.321   97.3   13.3   261   27.0 
2026-04-20 00:00 UT   19 32 27.6   -21 41 09     4.063    4.322   98.2   13.3   261   27.0 
2026-04-21 00:00 UT   19 32 35.9   -21 40 25     4.048    4.323   99.1   13.3   261   27.0 
2026-04-22 00:00 UT   19 32 43.2   -21 39 42     4.033    4.323  100.1   13.2   261   27.0 
2026-04-23 00:00 UT   19 32 49.5   -21 39 02     4.018    4.324  101.0   13.2   261   27.0 
2026-04-24 00:00 UT   19 32 54.8   -21 38 23     4.003    4.325  102.0   13.1   261   27.0 
2026-04-25 00:00 UT   19 32 59.1   -21 37 46     3.988    4.325  102.9   13.1   261   27.0 
2026-04-26 00:00 UT   19 33 02.4   -21 37 12     3.973    4.326  103.9   13.0   261   27.0 
2026-04-27 00:00 UT   19 33 04.7   -21 36 39     3.958    4.326  104.8   13.0   261   27.0 
2026-04-28 00:00 UT   19 33 05.9   -21 36 09     3.943    4.327  105.8   12.9   261   26.9 
2026-04-29 00:00 UT   19 33 06.2   -21 35 40     3.928    4.328  106.8   12.9   261   26.9 
2026-04-30 00:00 UT   19 33 05.5   -21 35 14     3.914    4.328  107.8   12.8   261   26.9 
2026-05-01 00:00 UT   19 33 03.7   -21 34 50     3.899    4.329  108.7   12.7   261   26.9 
2026-05-02 00:00 UT   19 33 00.9   -21 34 27     3.884    4.329  109.7   12.7   261   26.9 
2026-05-03 00:00 UT   19 32 57.0   -21 34 07     3.870    4.330  110.7   12.6   261   26.9 
2026-05-04 00:00 UT   19 32 52.1   -21 33 49     3.856    4.331  111.7   12.5   261   26.9 
2026-05-05 00:00 UT   19 32 46.2   -21 33 33     3.841    4.331  112.7   12.4   261   26.9 
2026-05-06 00:00 UT   19 32 39.2   -21 33 19     3.827    4.332  113.7   12.3   261   26.9 
2026-05-07 00:00 UT   19 32 31.1   -21 33 08     3.813    4.332  114.7   12.2   261   26.9 
2026-05-08 00:00 UT   19 32 22.0   -21 32 58     3.799    4.333  115.7   12.1   261   26.8 
2026-05-09 00:00 UT   19 32 11.9   -21 32 50     3.785    4.333  116.7   12.0   261   26.8 
2026-05-10 00:00 UT   19 32 00.6   -21 32 45     3.771    4.334  117.7   11.9   261   26.8 
2026-05-11 00:00 UT   19 31 48.3   -21 32 42     3.758    4.334  118.7   11.8   261   26.8 
2026-05-12 00:00 UT   19 31 34.9   -21 32 41     3.744    4.335  119.7   11.7   261   26.8 
2026-05-13 00:00 UT   19 31 20.4   -21 32 41     3.731    4.335  120.7   11.6   261   26.8 
2026-05-14 00:00 UT   19 31 04.9   -21 32 44     3.718    4.335  121.8   11.4   261   26.8 
2026-05-15 00:00 UT   19 30 48.3   -21 32 49     3.704    4.336  122.8   11.3   261   26.8 
2026-05-16 00:00 UT   19 30 30.6   -21 32 57     3.691    4.336  123.8   11.2   261   26.7 
2026-05-17 00:00 UT   19 30 11.8   -21 33 06     3.679    4.337  124.9   11.0   261   26.7 
2026-05-18 00:00 UT   19 29 52.0   -21 33 17     3.666    4.337  125.9   10.9   261   26.7 
2026-05-19 00:00 UT   19 29 31.1   -21 33 30     3.654    4.338  126.9   10.7   261   26.7 

    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.