(790747) 2018 XR
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Aug 2026	24.1	3.401 AU	2.630 AU	01h25m	-19°37'	133.1°	12.5°

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
2026-08-25 00:00 UT   01 25 55.3   -19 37 08     2.630    3.401  133.1   12.5   273   24.1 
2026-08-25 06:19 UT   01 25 46.6   -19 39 27     2.628    3.402  133.3   12.5   274   24.1 
2026-08-26 00:00 UT   01 25 21.6   -19 45 57     2.624    3.404  133.9   12.3   274   24.1 
2026-08-27 00:00 UT   01 24 46.6   -19 54 47     2.617    3.406  134.8   12.1   275   24.1 
2026-08-28 00:00 UT   01 24 10.3   -20 03 38     2.612    3.408  135.7   12.0   276   24.1 
2026-08-29 00:00 UT   01 23 32.7   -20 12 28     2.606    3.411  136.5   11.8   278   24.0 
2026-08-30 00:00 UT   01 22 53.7   -20 21 19     2.601    3.413  137.4   11.6   279   24.0 
2026-08-31 00:00 UT   01 22 13.4   -20 30 08     2.595    3.415  138.2   11.4   280   24.0 
2026-09-01 00:00 UT   01 21 31.9   -20 38 57     2.591    3.418  139.1   11.2   281   24.0 
2026-09-02 00:00 UT   01 20 49.1   -20 47 44     2.586    3.420  139.9   11.0   283   24.0 
2026-09-03 00:00 UT   01 20 05.0   -20 56 30     2.581    3.422  140.7   10.8   284   24.0 
2026-09-04 00:00 UT   01 19 19.7   -21 05 13     2.577    3.425  141.5   10.6   285   24.0 
2026-09-05 00:00 UT   01 18 33.1   -21 13 53     2.573    3.427  142.3   10.4   287   24.0 
2026-09-06 00:00 UT   01 17 45.4   -21 22 30     2.569    3.429  143.1   10.2   288   24.0 
2026-09-07 00:00 UT   01 16 56.5   -21 31 04     2.566    3.431  143.8   10.0   290   23.9 
2026-09-08 00:00 UT   01 16 06.5   -21 39 34     2.563    3.434  144.6    9.8   292   23.9 
2026-09-09 00:00 UT   01 15 15.3   -21 47 58     2.560    3.436  145.3    9.6   293   23.9 
2026-09-10 00:00 UT   01 14 23.1   -21 56 18     2.557    3.438  146.0    9.4   295   23.9 
2026-09-11 00:00 UT   01 13 29.8   -22 04 33     2.554    3.440  146.6    9.3   297   23.9 
2026-09-12 00:00 UT   01 12 35.5   -22 12 41     2.552    3.442  147.3    9.1   299   23.9 
2026-09-13 00:00 UT   01 11 40.2   -22 20 43     2.550    3.445  147.9    8.9   301   23.9 
2026-09-14 00:00 UT   01 10 44.0   -22 28 38     2.549    3.447  148.5    8.8   303   23.9 
2026-09-15 00:00 UT   01 09 46.9   -22 36 26     2.547    3.449  149.0    8.6   305   23.9 
2026-09-16 00:00 UT   01 08 48.9   -22 44 06     2.546    3.451  149.5    8.5   307   23.9 
2026-09-17 00:00 UT   01 07 50.0   -22 51 38     2.545    3.453  150.0    8.4   310   23.9 
2026-09-18 00:00 UT   01 06 50.4   -22 59 01     2.545    3.455  150.5    8.2   312   23.9 
2026-09-19 00:00 UT   01 05 50.1   -23 06 16     2.545    3.457  150.9    8.1   314   23.9 
2026-09-20 00:00 UT   01 04 49.1   -23 13 21     2.545    3.459  151.2    8.0   317   23.9 
2026-09-21 00:00 UT   01 03 47.4   -23 20 16     2.545    3.461  151.5    7.9   319   23.9 
2026-09-22 00:00 UT   01 02 45.2   -23 27 01     2.546    3.463  151.8    7.9   322   23.9 
2026-09-23 00:00 UT   01 01 42.3   -23 33 36     2.547    3.465  152.0    7.8   325   23.9 
2026-09-24 00:00 UT   01 00 39.0   -23 39 60     2.548    3.467  152.2    7.8   327   23.9 

    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.