2010 LQ42
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 May 2026	21.5	2.603 AU	1.805 AU	18h54m	-12°18'	133.1°	16.5°
Opposition	28 Jun 2026	20.8	2.554 AU	1.572 AU	18h27m	-04°18'	161.0°	7.4°

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 2010 LQ42 are:

            e (Eccentricity)                : 0.2006805
            a (Semimajor axis)              : 3.1153529
            i (Inclination)                 : 26.06197
            Ω (Longitude of ascending node) : 252.20454
            ω (Argument of perihelion)      : 58.92132
            M (Mean anomaly)                : 299.53056
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 308.34474
            B (Latitude of perihelion)      : 22.10341
            P (Orbital period in years)     : 5.50            
        

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
2026-05-19 00:00 UT   18 54 53.1   -12 18 25     1.805    2.603  133.1   16.5   255   21.5 
2026-05-19 12:19 UT   18 54 45.5   -12 12 05     1.799    2.602  133.6   16.3   254   21.4 
2026-05-20 00:00 UT   18 54 38.0   -12 06 04     1.794    2.602  134.1   16.2   254   21.4 
2026-05-21 00:00 UT   18 54 21.2   -11 53 41     1.784    2.600  135.0   16.0   253   21.4 
2026-05-22 00:00 UT   18 54 02.8   -11 41 15     1.775    2.599  135.9   15.7   253   21.4 
2026-05-23 00:00 UT   18 53 42.8   -11 28 48     1.765    2.598  136.9   15.4   252   21.4 
2026-05-24 00:00 UT   18 53 21.2   -11 16 20     1.756    2.596  137.8   15.2   252   21.3 
2026-05-25 00:00 UT   18 52 58.1   -11 03 50     1.746    2.595  138.8   14.9   251   21.3 
2026-05-26 00:00 UT   18 52 33.4   -10 51 19     1.737    2.594  139.7   14.6   250   21.3 
2026-05-27 00:00 UT   18 52 07.1   -10 38 48     1.728    2.593  140.6   14.4   249   21.3 
2026-05-28 00:00 UT   18 51 39.3   -10 26 15     1.720    2.591  141.6   14.1   249   21.3 
2026-05-29 00:00 UT   18 51 10.1   -10 13 43     1.711    2.590  142.5   13.8   248   21.2 
2026-05-30 00:00 UT   18 50 39.3   -10 01 10     1.703    2.589  143.4   13.5   247   21.2 
2026-05-31 00:00 UT   18 50 07.0   -09 48 38     1.695    2.587  144.4   13.2   246   21.2 
2026-06-01 00:00 UT   18 49 33.3   -09 36 06     1.688    2.586  145.3   12.9   245   21.2 
2026-06-02 00:00 UT   18 48 58.2   -09 23 36     1.680    2.585  146.2   12.6   244   21.1 
2026-06-03 00:00 UT   18 48 21.7   -09 11 06     1.673    2.584  147.1   12.3   243   21.1 
2026-06-04 00:00 UT   18 47 43.9   -08 58 38     1.666    2.582  148.0   12.0   242   21.1 
2026-06-05 00:00 UT   18 47 04.7   -08 46 12     1.659    2.581  148.9   11.7   240   21.1 
2026-06-06 00:00 UT   18 46 24.2   -08 33 48     1.652    2.580  149.8   11.4   239   21.1 
2026-06-07 00:00 UT   18 45 42.4   -08 21 27     1.646    2.579  150.6   11.1   238   21.0 
2026-06-08 00:00 UT   18 44 59.5   -08 09 08     1.640    2.578  151.5   10.8   236   21.0 
2026-06-09 00:00 UT   18 44 15.3   -07 56 53     1.634    2.576  152.3   10.5   235   21.0 
2026-06-10 00:00 UT   18 43 29.9   -07 44 42     1.628    2.575  153.1   10.3   233   21.0 
2026-06-11 00:00 UT   18 42 43.5   -07 32 35     1.623    2.574  153.9   10.0   231   21.0 
2026-06-12 00:00 UT   18 41 56.0   -07 20 32     1.618    2.573  154.7    9.7   229   20.9 
2026-06-13 00:00 UT   18 41 07.5   -07 08 34     1.613    2.572  155.4    9.4   227   20.9 
2026-06-14 00:00 UT   18 40 18.0   -06 56 42     1.609    2.570  156.2    9.2   225   20.9 
2026-06-15 00:00 UT   18 39 27.6   -06 44 55     1.604    2.569  156.8    8.9   223   20.9 
2026-06-16 00:00 UT   18 38 36.4   -06 33 15     1.600    2.568  157.5    8.7   220   20.9 
2026-06-17 00:00 UT   18 37 44.3   -06 21 40     1.596    2.567  158.1    8.5   218   20.9 
2026-06-18 00:00 UT   18 36 51.6   -06 10 13     1.593    2.566  158.7    8.3   215   20.8 

    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.