2019 RO2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Mar 2026	30.8	3.332 AU	2.797 AU	16h31m	-22°53'	114.2°	15.8°

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 RO2 are:

            e (Eccentricity)                : 0.5703203
            a (Semimajor axis)              : 2.4245373
            i (Inclination)                 : 1.56476
            Ω (Longitude of ascending node) : 21.86527
            ω (Argument of perihelion)      : 5.27939
            M (Mean anomaly)                : 221.26186
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 27.14270
            B (Latitude of perihelion)      : 0.14396
            P (Orbital period in years)     : 3.78            
        

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
2026-03-25 00:00 UT   16 31 51.8   -22 53 46     2.797    3.332  114.2   15.8   279   30.8 
2026-03-25 01:31 UT   16 31 51.9   -22 53 48     2.796    3.332  114.3   15.8   279   30.8 
2026-03-26 00:00 UT   16 31 53.3   -22 54 19     2.779    3.329  115.2   15.7   279   30.8 
2026-03-27 00:00 UT   16 31 53.4   -22 54 50     2.762    3.325  116.2   15.6   279   30.8 
2026-03-28 00:00 UT   16 31 52.2   -22 55 18     2.745    3.322  117.2   15.5   279   30.8 
2026-03-29 00:00 UT   16 31 49.5   -22 55 43     2.728    3.318  118.2   15.4   279   30.8 
2026-03-30 00:00 UT   16 31 45.4   -22 56 06     2.711    3.315  119.2   15.3   279   30.7 
2026-03-31 00:00 UT   16 31 39.9   -22 56 25     2.694    3.311  120.2   15.1   279   30.7 
2026-04-01 00:00 UT   16 31 33.0   -22 56 42     2.678    3.308  121.2   15.0   279   30.7 
2026-04-02 00:00 UT   16 31 24.6   -22 56 57     2.661    3.304  122.2   14.8   279   30.7 
2026-04-03 00:00 UT   16 31 14.8   -22 57 08     2.645    3.300  123.2   14.7   279   30.6 
2026-04-04 00:00 UT   16 31 03.5   -22 57 16     2.629    3.297  124.3   14.5   279   30.6 
2026-04-05 00:00 UT   16 30 50.7   -22 57 21     2.613    3.293  125.3   14.4   279   30.6 
2026-04-06 00:00 UT   16 30 36.5   -22 57 23     2.597    3.290  126.3   14.2   280   30.6 
2026-04-07 00:00 UT   16 30 20.7   -22 57 22     2.581    3.286  127.4   14.0   280   30.6 
2026-04-08 00:00 UT   16 30 03.5   -22 57 18     2.565    3.282  128.4   13.8   280   30.5 
2026-04-09 00:00 UT   16 29 44.7   -22 57 11     2.550    3.279  129.5   13.6   280   30.5 
2026-04-10 00:00 UT   16 29 24.4   -22 57 00     2.534    3.275  130.5   13.4   280   30.5 
2026-04-11 00:00 UT   16 29 02.6   -22 56 46     2.519    3.271  131.6   13.2   280   30.5 
2026-04-12 00:00 UT   16 28 39.3   -22 56 29     2.504    3.268  132.7   13.0   280   30.4 
2026-04-13 00:00 UT   16 28 14.4   -22 56 08     2.489    3.264  133.7   12.8   280   30.4 
2026-04-14 00:00 UT   16 27 48.0   -22 55 44     2.475    3.260  134.8   12.6   280   30.4 
2026-04-15 00:00 UT   16 27 20.1   -22 55 15     2.460    3.256  135.9   12.4   280   30.4 
2026-04-16 00:00 UT   16 26 50.7   -22 54 44     2.446    3.253  137.0   12.1   280   30.4 
2026-04-17 00:00 UT   16 26 19.7   -22 54 08     2.432    3.249  138.1   11.9   280   30.3 
2026-04-18 00:00 UT   16 25 47.2   -22 53 29     2.418    3.245  139.2   11.7   281   30.3 
2026-04-19 00:00 UT   16 25 13.2   -22 52 46     2.404    3.241  140.3   11.4   281   30.3 
2026-04-20 00:00 UT   16 24 37.7   -22 51 60     2.391    3.238  141.4   11.2   281   30.3 
2026-04-21 00:00 UT   16 24 00.8   -22 51 09     2.378    3.234  142.5   10.9   281   30.2 
2026-04-22 00:00 UT   16 23 22.3   -22 50 14     2.365    3.230  143.7   10.6   281   30.2 
2026-04-23 00:00 UT   16 22 42.4   -22 49 16     2.352    3.226  144.8   10.3   281   30.2 
2026-04-24 00:00 UT   16 22 01.1   -22 48 13     2.340    3.222  145.9   10.1   281   30.2 

    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.