2019 RO2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Feb 2026	31.2	3.414 AU	3.250 AU	16h24m	-22°26'	91.0°	16.9°

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 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
2026-02-28 00:00 UT   16 24 30.6   -22 26 29     3.250    3.414   91.0   16.9   279   31.2 
2026-02-28 18:11 UT   16 24 54.0   -22 27 40     3.236    3.412   91.7   16.9   279   31.2 
2026-03-01 00:00 UT   16 25 01.4   -22 28 03     3.232    3.411   91.9   16.9   279   31.2 
2026-03-02 00:00 UT   16 25 31.3   -22 29 34     3.213    3.408   92.8   16.9   279   31.2 
2026-03-03 00:00 UT   16 26 00.2   -22 31 03     3.195    3.405   93.7   16.9   279   31.2 
2026-03-04 00:00 UT   16 26 28.2   -22 32 30     3.176    3.402   94.6   16.9   279   31.2 
2026-03-05 00:00 UT   16 26 55.0   -22 33 55     3.158    3.399   95.5   16.9   279   31.2 
2026-03-06 00:00 UT   16 27 20.9   -22 35 17     3.139    3.395   96.4   16.9   279   31.2 
2026-03-07 00:00 UT   16 27 45.7   -22 36 37     3.121    3.392   97.3   16.9   279   31.1 
2026-03-08 00:00 UT   16 28 09.4   -22 37 54     3.103    3.389   98.2   16.9   279   31.1 
2026-03-09 00:00 UT   16 28 32.1   -22 39 10     3.084    3.386   99.1   16.8   279   31.1 
2026-03-10 00:00 UT   16 28 53.6   -22 40 23     3.066    3.382  100.0   16.8   279   31.1 
2026-03-11 00:00 UT   16 29 14.0   -22 41 33     3.047    3.379  100.9   16.8   279   31.1 
2026-03-12 00:00 UT   16 29 33.3   -22 42 41     3.029    3.376  101.8   16.7   279   31.1 
2026-03-13 00:00 UT   16 29 51.4   -22 43 47     3.011    3.373  102.8   16.7   279   31.0 
2026-03-14 00:00 UT   16 30 08.3   -22 44 51     2.993    3.369  103.7   16.7   279   31.0 
2026-03-15 00:00 UT   16 30 24.1   -22 45 52     2.975    3.366  104.6   16.6   279   31.0 
2026-03-16 00:00 UT   16 30 38.6   -22 46 50     2.957    3.363  105.6   16.6   279   31.0 
2026-03-17 00:00 UT   16 30 51.9   -22 47 46     2.938    3.359  106.5   16.5   279   31.0 
2026-03-18 00:00 UT   16 31 03.9   -22 48 40     2.920    3.356  107.4   16.4   279   31.0 
2026-03-19 00:00 UT   16 31 14.7   -22 49 31     2.903    3.353  108.4   16.4   279   30.9 
2026-03-20 00:00 UT   16 31 24.1   -22 50 20     2.885    3.349  109.4   16.3   279   30.9 
2026-03-21 00:00 UT   16 31 32.3   -22 51 06     2.867    3.346  110.3   16.2   279   30.9 
2026-03-22 00:00 UT   16 31 39.2   -22 51 50     2.849    3.342  111.3   16.1   279   30.9 
2026-03-23 00:00 UT   16 31 44.7   -22 52 31     2.832    3.339  112.3   16.0   279   30.9 
2026-03-24 00:00 UT   16 31 49.0   -22 53 10     2.814    3.336  113.2   15.9   279   30.8 
2026-03-25 00:00 UT   16 31 51.8   -22 53 46     2.797    3.332  114.2   15.8   279   30.8 
2026-03-26 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 

    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.