2010 LQ42
ephemeris date magn radius delta ra dec elong phase
Today25 Oct 202522.92.969 AU3.924 AU14h25m-24°16'14.0°4.7°
Opposition28 Jun 202620.82.554 AU1.572 AU18h27m-04°18'161.0°7.4°
2010 LQ42 - 2025-10-25
astro.vanbuitenen.nl


 
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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
2025-10-25 00:00 UT   14 25 55.0   -24 16 44     3.924    2.969   14.0    4.7   150   22.9 
2025-10-25 01:08 UT   14 25 59.8   -24 16 54     3.924    2.969   14.0    4.7   150   22.9 
2025-10-26 00:00 UT   14 27 35.8   -24 20 30     3.925    2.967   13.5    4.5   151   22.9 
2025-10-27 00:00 UT   14 29 16.9   -24 24 15     3.925    2.965   13.1    4.3   153   22.9 
2025-10-28 00:00 UT   14 30 58.1   -24 27 58     3.925    2.963   12.6    4.2   154   22.9 
2025-10-29 00:00 UT   14 32 39.5   -24 31 41     3.925    2.961   12.1    4.0   156   22.9 
2025-10-30 00:00 UT   14 34 21.1   -24 35 22     3.925    2.959   11.7    3.9   158   22.9 
2025-10-31 00:00 UT   14 36 02.9   -24 39 02     3.925    2.957   11.3    3.8   160   22.9 
2025-11-01 00:00 UT   14 37 44.8   -24 42 40     3.924    2.955   10.9    3.6   163   22.9 
2025-11-02 00:00 UT   14 39 27.0   -24 46 17     3.924    2.953   10.5    3.5   165   22.9 
2025-11-03 00:00 UT   14 41 09.3   -24 49 52     3.923    2.951   10.1    3.4   168   22.9 
2025-11-04 00:00 UT   14 42 51.9   -24 53 25     3.922    2.949    9.7    3.3   170   22.8 
2025-11-05 00:00 UT   14 44 34.5   -24 56 57     3.921    2.947    9.4    3.2   173   22.8 
2025-11-06 00:00 UT   14 46 17.4   -25 00 26     3.920    2.945    9.1    3.1   177   22.8 
2025-11-07 00:00 UT   14 48 00.5   -25 03 54     3.919    2.943    8.9    3.0   180   22.8 
2025-11-08 00:00 UT   14 49 43.7   -25 07 20     3.917    2.941    8.7    2.9   184   22.8 
2025-11-09 00:00 UT   14 51 27.0   -25 10 44     3.916    2.939    8.5    2.9   187   22.8 
2025-11-10 00:00 UT   14 53 10.6   -25 14 06     3.914    2.937    8.3    2.8   191   22.8 
2025-11-11 00:00 UT   14 54 54.3   -25 17 26     3.912    2.935    8.2    2.8   196   22.8 
2025-11-12 00:00 UT   14 56 38.2   -25 20 43     3.910    2.933    8.2    2.8   200   22.8 
2025-11-13 00:00 UT   14 58 22.2   -25 23 58     3.908    2.931    8.2    2.8   204   22.8 
2025-11-14 00:00 UT   15 00 06.4   -25 27 11     3.905    2.929    8.2    2.8   208   22.8 
2025-11-15 00:00 UT   15 01 50.7   -25 30 22     3.903    2.927    8.3    2.8   212   22.8 


    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.