2010 LQ42
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	8 Dec 2025	22.9	2.882 AU	3.805 AU	15h42m	-26°29'	17.7°	5.9°
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
2025-12-08 00:00 UT   15 42 20.8   -26 29 47     3.805    2.882   17.7    5.9   262   22.9 
2025-12-08 01:21 UT   15 42 26.7   -26 29 54     3.805    2.882   17.7    6.0   262   22.9 
2025-12-09 00:00 UT   15 44 07.3   -26 31 41     3.799    2.880   18.2    6.1   262   22.9 
2025-12-10 00:00 UT   15 45 53.8   -26 33 30     3.793    2.878   18.8    6.3   263   22.9 
2025-12-11 00:00 UT   15 47 40.4   -26 35 16     3.787    2.876   19.3    6.5   264   22.9 
2025-12-12 00:00 UT   15 49 27.0   -26 36 58     3.781    2.874   19.9    6.7   264   22.9 
2025-12-13 00:00 UT   15 51 13.6   -26 38 35     3.774    2.872   20.5    6.9   265   22.9 
2025-12-14 00:00 UT   15 53 00.2   -26 40 08     3.767    2.870   21.0    7.1   265   22.9 
2025-12-15 00:00 UT   15 54 46.8   -26 41 38     3.761    2.868   21.6    7.3   266   22.9 
2025-12-16 00:00 UT   15 56 33.5   -26 43 03     3.754    2.866   22.2    7.5   266   22.9 
2025-12-17 00:00 UT   15 58 20.1   -26 44 23     3.747    2.864   22.8    7.6   267   22.9 
2025-12-18 00:00 UT   16 00 06.7   -26 45 39     3.739    2.863   23.4    7.8   267   22.9 
2025-12-19 00:00 UT   16 01 53.3   -26 46 51     3.732    2.861   23.9    8.0   268   22.9 
2025-12-20 00:00 UT   16 03 39.8   -26 47 59     3.724    2.859   24.5    8.2   268   22.9 
2025-12-21 00:00 UT   16 05 26.3   -26 49 02     3.717    2.857   25.1    8.4   268   22.9 
2025-12-22 00:00 UT   16 07 12.8   -26 50 00     3.709    2.855   25.7    8.6   269   22.9 
2025-12-23 00:00 UT   16 08 59.2   -26 50 54     3.701    2.853   26.3    8.8   269   22.9 
2025-12-24 00:00 UT   16 10 45.6   -26 51 43     3.693    2.851   26.9    9.0   269   22.9 
2025-12-25 00:00 UT   16 12 31.9   -26 52 28     3.685    2.849   27.5    9.2   269   22.9 
2025-12-26 00:00 UT   16 14 18.1   -26 53 08     3.677    2.847   28.1    9.4   270   22.9 
2025-12-27 00:00 UT   16 16 04.2   -26 53 43     3.668    2.845   28.7    9.6   270   22.9 
2025-12-28 00:00 UT   16 17 50.2   -26 54 13     3.660    2.843   29.3    9.8   270   22.9 
2025-12-29 00:00 UT   16 19 36.2   -26 54 39     3.651    2.841   29.9    9.9   270   22.9 

    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.