(790747) 2018 XR
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	26 Jun 2026	24.6	3.224 AU	3.213 AU	01h20m	-13°43'	81.5°	18.2°

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
2026-06-26 00:00 UT   01 20 29.5   -13 43 22     3.213    3.224   81.5   18.2   243   24.6 
2026-06-26 07:30 UT   01 20 41.2   -13 43 58     3.209    3.225   81.8   18.2   243   24.6 
2026-06-27 00:00 UT   01 21 06.7   -13 45 21     3.202    3.228   82.3   18.2   244   24.6 
2026-06-28 00:00 UT   01 21 43.0   -13 47 28     3.192    3.231   83.1   18.2   244   24.6 
2026-06-29 00:00 UT   01 22 18.5   -13 49 44     3.181    3.234   83.9   18.2   244   24.6 
2026-06-30 00:00 UT   01 22 53.1   -13 52 08     3.170    3.238   84.7   18.2   244   24.6 
2026-07-01 00:00 UT   01 23 26.8   -13 54 40     3.160    3.241   85.4   18.2   245   24.6 
2026-07-02 00:00 UT   01 23 59.7   -13 57 21     3.149    3.245   86.2   18.2   245   24.6 
2026-07-03 00:00 UT   01 24 31.7   -14 00 10     3.138    3.248   87.0   18.2   245   24.6 
2026-07-04 00:00 UT   01 25 02.8   -14 03 08     3.127    3.251   87.8   18.2   246   24.6 
2026-07-05 00:00 UT   01 25 32.9   -14 06 14     3.116    3.255   88.6   18.2   246   24.6 
2026-07-06 00:00 UT   01 26 02.2   -14 09 29     3.106    3.258   89.4   18.2   246   24.5 
2026-07-07 00:00 UT   01 26 30.5   -14 12 53     3.095    3.261   90.2   18.2   247   24.5 
2026-07-08 00:00 UT   01 26 57.8   -14 16 25     3.084    3.264   91.0   18.1   247   24.5 
2026-07-09 00:00 UT   01 27 24.2   -14 20 06     3.073    3.268   91.8   18.1   247   24.5 
2026-07-10 00:00 UT   01 27 49.5   -14 23 55     3.062    3.271   92.6   18.1   248   24.5 
2026-07-11 00:00 UT   01 28 13.9   -14 27 53     3.051    3.274   93.5   18.1   248   24.5 
2026-07-12 00:00 UT   01 28 37.3   -14 31 60     3.041    3.277   94.3   18.0   248   24.5 
2026-07-13 00:00 UT   01 28 59.6   -14 36 15     3.030    3.281   95.1   18.0   249   24.5 
2026-07-14 00:00 UT   01 29 20.9   -14 40 39     3.019    3.284   95.9   17.9   249   24.5 
2026-07-15 00:00 UT   01 29 41.1   -14 45 12     3.008    3.287   96.8   17.9   249   24.5 
2026-07-16 00:00 UT   01 30 00.2   -14 49 53     2.997    3.290   97.6   17.8   250   24.5 
2026-07-17 00:00 UT   01 30 18.3   -14 54 43     2.986    3.293   98.5   17.8   250   24.5 
2026-07-18 00:00 UT   01 30 35.3   -14 59 41     2.976    3.296   99.3   17.7   250   24.5 
2026-07-19 00:00 UT   01 30 51.1   -15 04 48     2.965    3.299  100.1   17.7   251   24.5 
2026-07-20 00:00 UT   01 31 05.9   -15 10 03     2.954    3.302  101.0   17.6   251   24.4 
2026-07-21 00:00 UT   01 31 19.4   -15 15 27     2.944    3.305  101.8   17.5   252   24.4 
2026-07-22 00:00 UT   01 31 31.9   -15 20 59     2.933    3.308  102.7   17.4   252   24.4 
2026-07-23 00:00 UT   01 31 43.2   -15 26 39     2.922    3.311  103.6   17.4   252   24.4 
2026-07-24 00:00 UT   01 31 53.3   -15 32 27     2.912    3.314  104.4   17.3   253   24.4 
2026-07-25 00:00 UT   01 32 02.2   -15 38 23     2.902    3.317  105.3   17.2   253   24.4 
2026-07-26 00:00 UT   01 32 10.0   -15 44 27     2.891    3.320  106.2   17.1   254   24.4 

    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.