2017 RX2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Apr 2026	28.2	0.573 AU	0.762 AU	22h59m	-05°07'	34.7°	96.1°

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 2017 RX2 are:

            e (Eccentricity)                : 0.5445439
            a (Semimajor axis)              : 0.7412818
            i (Inclination)                 : 1.68816
            Ω (Longitude of ascending node) : 174.05794
            ω (Argument of perihelion)      : 334.34887
            M (Mean anomaly)                : 182.39882
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 148.41652
            B (Latitude of perihelion)      : -0.73070
            P (Orbital period in years)     : 0.64            
        

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
2026-04-09 00:00 UT   22 59 32.8   -05 07 49     0.762    0.573   34.7   96.1   249   28.2 
2026-04-09 17:19 UT   22 59 25.6   -05 07 30     0.770    0.583   35.4   94.5   249   28.2 
2026-04-10 00:00 UT   22 59 24.5   -05 07 14     0.773    0.586   35.7   93.9   249   28.2 
2026-04-11 00:00 UT   22 59 27.8   -05 05 34     0.783    0.599   36.7   91.9   249   28.2 
2026-04-12 00:00 UT   22 59 41.5   -05 02 58     0.794    0.611   37.6   90.1   249   28.2 
2026-04-13 00:00 UT   23 00 04.8   -04 59 28     0.803    0.624   38.5   88.3   249   28.2 
2026-04-14 00:00 UT   23 00 36.6   -04 55 12     0.813    0.636   39.3   86.7   249   28.2 
2026-04-15 00:00 UT   23 01 16.2   -04 50 12     0.823    0.648   40.1   85.1   249   28.2 
2026-04-16 00:00 UT   23 02 02.8   -04 44 33     0.832    0.660   40.8   83.7   249   28.2 
2026-04-17 00:00 UT   23 02 55.8   -04 38 18     0.841    0.672   41.6   82.3   249   28.2 
2026-04-18 00:00 UT   23 03 54.6   -04 31 32     0.849    0.684   42.3   81.0   249   28.2 
2026-04-19 00:00 UT   23 04 58.6   -04 24 16     0.857    0.696   43.0   79.8   249   28.2 
2026-04-20 00:00 UT   23 06 07.3   -04 16 33     0.865    0.707   43.6   78.7   249   28.2 
2026-04-21 00:00 UT   23 07 20.3   -04 08 26     0.873    0.718   44.3   77.6   249   28.2 
2026-04-22 00:00 UT   23 08 37.1   -03 59 56     0.881    0.729   44.9   76.6   249   28.3 
2026-04-23 00:00 UT   23 09 57.5   -03 51 06     0.888    0.740   45.5   75.7   249   28.3 
2026-04-24 00:00 UT   23 11 21.2   -03 41 58     0.894    0.751   46.1   74.8   248   28.3 
2026-04-25 00:00 UT   23 12 47.7   -03 32 32     0.901    0.762   46.7   73.9   248   28.3 
2026-04-26 00:00 UT   23 14 16.9   -03 22 51     0.907    0.772   47.3   73.1   248   28.3 
2026-04-27 00:00 UT   23 15 48.5   -03 12 55     0.913    0.783   47.8   72.4   248   28.4 
2026-04-28 00:00 UT   23 17 22.3   -03 02 46     0.919    0.793   48.4   71.6   248   28.4 
2026-04-29 00:00 UT   23 18 58.2   -02 52 25     0.924    0.803   48.9   70.9   248   28.4 
2026-04-30 00:00 UT   23 20 35.9   -02 41 52     0.929    0.813   49.4   70.3   248   28.4 
2026-05-01 00:00 UT   23 22 15.4   -02 31 09     0.934    0.822   50.0   69.7   248   28.4 
2026-05-02 00:00 UT   23 23 56.3   -02 20 17     0.938    0.832   50.5   69.1   248   28.4 
2026-05-03 00:00 UT   23 25 38.7   -02 09 15     0.942    0.841   51.0   68.5   248   28.5 
2026-05-04 00:00 UT   23 27 22.5   -01 58 05     0.946    0.851   51.5   68.0   248   28.5 
2026-05-05 00:00 UT   23 29 07.4   -01 46 48     0.950    0.860   52.0   67.5   248   28.5 

    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.