(790747) 2018 XR
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	24 Sep 2026	23.9	3.467 AU	2.548 AU	01h00m	-23°40'	152.2°	7.8°

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)                : 0.6654660
            a (Semimajor axis)              : 2.1547628
            i (Inclination)                 : 20.53282
            Ω (Longitude of ascending node) : 78.20623
            ω (Argument of perihelion)      : 114.55226
            M (Mean anomaly)                : 107.52103
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 14.21021
            B (Latitude of perihelion)      : 18.60431
            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
2026-09-24 00:00 UT   01 00 37.8   -23 40 03     2.548    3.467  152.2    7.8   327   23.9 
2026-09-24 06:47 UT   01 00 19.9   -23 41 49     2.548    3.468  152.2    7.7   328   23.9 
2026-09-25 00:00 UT   00 59 34.1   -23 46 16     2.549    3.469  152.3    7.7   330   23.9 
2026-09-26 00:00 UT   00 58 29.9   -23 52 17     2.551    3.471  152.4    7.7   333   23.9 
2026-09-27 00:00 UT   00 57 25.3   -23 58 06     2.553    3.473  152.4    7.7   335   23.9 
2026-09-28 00:00 UT   00 56 20.5   -24 03 44     2.555    3.475  152.4    7.7   338   23.9 
2026-09-29 00:00 UT   00 55 15.4   -24 09 09     2.558    3.477  152.3    7.7   341   23.9 
2026-09-30 00:00 UT   00 54 10.0   -24 14 22     2.561    3.478  152.2    7.7   344   23.9 
2026-10-01 00:00 UT   00 53 04.5   -24 19 22     2.564    3.480  152.0    7.8   346   23.9 
2026-10-02 00:00 UT   00 51 59.0   -24 24 09     2.568    3.482  151.8    7.8   349   23.9 
2026-10-03 00:00 UT   00 50 53.3   -24 28 43     2.572    3.484  151.5    7.9   351   23.9 
2026-10-04 00:00 UT   00 49 47.7   -24 33 04     2.576    3.486  151.2    8.0   354   23.9 
2026-10-05 00:00 UT   00 48 42.0   -24 37 10     2.580    3.488  150.8    8.0   357   23.9 
2026-10-06 00:00 UT   00 47 36.5   -24 41 03     2.585    3.489  150.4    8.1   359   23.9 
2026-10-07 00:00 UT   00 46 31.2   -24 44 42     2.590    3.491  150.0    8.2     1   23.9 
2026-10-08 00:00 UT   00 45 26.0   -24 48 07     2.595    3.493  149.5    8.4     4   23.9 
2026-10-09 00:00 UT   00 44 21.2   -24 51 18     2.600    3.495  149.0    8.5     6   24.0 
2026-10-10 00:00 UT   00 43 16.6   -24 54 14     2.606    3.496  148.4    8.6     8   24.0 
2026-10-11 00:00 UT   00 42 12.4   -24 56 55     2.612    3.498  147.8    8.7    10   24.0 
2026-10-12 00:00 UT   00 41 08.6   -24 59 23     2.619    3.500  147.2    8.9    12   24.0 
2026-10-13 00:00 UT   00 40 05.3   -25 01 35     2.625    3.501  146.5    9.0    14   24.0 
2026-10-14 00:00 UT   00 39 02.5   -25 03 33     2.632    3.503  145.9    9.2    16   24.0 
2026-10-15 00:00 UT   00 38 00.3   -25 05 17     2.639    3.505  145.2    9.4    18   24.0 
2026-10-16 00:00 UT   00 36 58.7   -25 06 46     2.647    3.506  144.5    9.5    20   24.0 
2026-10-17 00:00 UT   00 35 57.7   -25 08 00     2.654    3.508  143.7    9.7    21   24.1 
2026-10-18 00:00 UT   00 34 57.5   -25 09 00     2.662    3.509  142.9    9.9    23   24.1 
2026-10-19 00:00 UT   00 33 58.0   -25 09 46     2.670    3.511  142.2   10.0    24   24.1 
2026-10-20 00:00 UT   00 32 59.2   -25 10 17     2.679    3.512  141.4   10.2    26   24.1 
2026-10-21 00:00 UT   00 32 01.4   -25 10 34     2.688    3.514  140.6   10.4    27   24.1 
2026-10-22 00:00 UT   00 31 04.3   -25 10 37     2.697    3.515  139.7   10.5    29   24.1 
2026-10-23 00:00 UT   00 30 08.2   -25 10 26     2.706    3.517  138.9   10.7    30   24.1 
2026-10-24 00:00 UT   00 29 13.0   -25 10 01     2.715    3.518  138.0   10.9    31   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.