(790747) 2018 XR
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 Mar 2026	24.0	2.687 AU	3.632 AU	23h05m	-21°56'	14.9°	5.4°

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 2018 XR are:

            e (Eccentricity)                : 0.6653793
            a (Semimajor axis)              : 2.1548467
            i (Inclination)                 : 20.53319
            Ω (Longitude of ascending node) : 78.21441
            ω (Argument of perihelion)      : 114.55012
            M (Mean anomaly)                : 45.20514
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 14.21622
            B (Latitude of perihelion)      : 18.60497
            P (Orbital period in years)     : 3.16            
        

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
2026-03-01 00:00 UT   23 05 32.6   -21 56 53     3.632    2.687   14.9    5.4   161   24.0 
2026-03-01 20:06 UT   23 06 50.0   -21 49 54     3.637    2.691   14.9    5.4   163   24.0 
2026-03-02 00:00 UT   23 07 05.0   -21 48 33     3.637    2.692   15.0    5.5   163   24.0 
2026-03-03 00:00 UT   23 08 37.1   -21 40 16     3.643    2.698   15.1    5.5   166   24.0 
2026-03-04 00:00 UT   23 10 08.7   -21 32 01     3.648    2.704   15.2    5.5   168   24.0 
2026-03-05 00:00 UT   23 11 40.0   -21 23 48     3.653    2.710   15.3    5.6   170   24.0 
2026-03-06 00:00 UT   23 13 10.9   -21 15 38     3.658    2.715   15.5    5.6   172   24.0 
2026-03-07 00:00 UT   23 14 41.5   -21 07 30     3.663    2.721   15.7    5.7   174   24.0 
2026-03-08 00:00 UT   23 16 11.7   -20 59 25     3.667    2.727   15.9    5.7   177   24.0 
2026-03-09 00:00 UT   23 17 41.5   -20 51 22     3.672    2.732   16.1    5.8   179   24.0 
2026-03-10 00:00 UT   23 19 11.0   -20 43 22     3.676    2.738   16.4    5.9   181   24.1 
2026-03-11 00:00 UT   23 20 40.1   -20 35 25     3.680    2.744   16.7    6.0   182   24.1 
2026-03-12 00:00 UT   23 22 08.8   -20 27 30     3.684    2.749   17.0    6.1   184   24.1 
2026-03-13 00:00 UT   23 23 37.3   -20 19 38     3.688    2.755   17.3    6.1   186   24.1 
2026-03-14 00:00 UT   23 25 05.3   -20 11 49     3.691    2.760   17.6    6.2   188   24.1 
2026-03-15 00:00 UT   23 26 33.0   -20 04 03     3.695    2.766   17.9    6.4   189   24.1 
2026-03-16 00:00 UT   23 28 00.4   -19 56 20     3.698    2.771   18.3    6.5   191   24.1 
2026-03-17 00:00 UT   23 29 27.4   -19 48 40     3.701    2.777   18.7    6.6   193   24.1 
2026-03-18 00:00 UT   23 30 54.0   -19 41 03     3.704    2.782   19.0    6.7   194   24.1 
2026-03-19 00:00 UT   23 32 20.3   -19 33 29     3.706    2.788   19.4    6.8   196   24.2 
2026-03-20 00:00 UT   23 33 46.2   -19 25 59     3.709    2.793   19.8    6.9   197   24.2 
2026-03-21 00:00 UT   23 35 11.8   -19 18 31     3.711    2.798   20.3    7.1   198   24.2 
2026-03-22 00:00 UT   23 36 37.0   -19 11 07     3.713    2.804   20.7    7.2   200   24.2 
2026-03-23 00:00 UT   23 38 01.9   -19 03 47     3.715    2.809   21.1    7.3   201   24.2 
2026-03-24 00:00 UT   23 39 26.4   -18 56 29     3.717    2.814   21.6    7.5   202   24.2 

    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.