2017 GL4
ephemeris date magn radius delta ra dec elong phase
Today10 Nov 202629.92.782 AU1.810 AU03h56m+15°28'166.1°4.9°
2017 GL4 - 2026-11-10
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 2017 GL4 are:

            e (Eccentricity)                : 0.4637042
            a (Semimajor axis)              : 1.9250634
            i (Inclination)                 : 5.57184
            Ω (Longitude of ascending node) : 201.36529
            ω (Argument of perihelion)      : 24.55220
            M (Mean anomaly)                : 146.90349
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 225.81509
            B (Latitude of perihelion)      : 2.31220
            P (Orbital period in years)     : 2.67            
        

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
2026-11-10 00:00 UT   03 56 49.2   +15 28 58     1.810    2.782  166.1    4.9   278   29.9 
2026-11-10 00:42 UT   03 56 47.2   +15 28 49     1.810    2.782  166.1    4.9   278   29.9 
2026-11-11 00:00 UT   03 55 38.3   +15 23 40     1.806    2.781  167.3    4.5   280   29.9 
2026-11-12 00:00 UT   03 54 26.7   +15 18 19     1.803    2.780  168.4    4.1   283   29.8 
2026-11-13 00:00 UT   03 53 14.3   +15 12 58     1.799    2.778  169.6    3.7   286   29.8 
2026-11-14 00:00 UT   03 52 01.4   +15 07 36     1.796    2.777  170.7    3.3   290   29.8 
2026-11-15 00:00 UT   03 50 48.0   +15 02 13     1.793    2.776  171.8    2.9   295   29.7 
2026-11-16 00:00 UT   03 49 34.1   +14 56 49     1.791    2.775  172.8    2.6   301   29.7 
2026-11-17 00:00 UT   03 48 19.9   +14 51 26     1.789    2.774  173.6    2.3   309   29.7 
2026-11-18 00:00 UT   03 47 05.3   +14 46 03     1.787    2.772  174.3    2.0   320   29.7 
2026-11-19 00:00 UT   03 45 50.6   +14 40 40     1.785    2.771  174.8    1.9   333   29.7 
2026-11-20 00:00 UT   03 44 35.7   +14 35 18     1.784    2.770  174.9    1.8   348   29.7 
2026-11-21 00:00 UT   03 43 20.8   +14 29 57     1.783    2.769  174.7    1.9     2   29.7 
2026-11-22 00:00 UT   03 42 05.9   +14 24 37     1.783    2.767  174.2    2.1    15   29.7 
2026-11-23 00:00 UT   03 40 51.1   +14 19 19     1.782    2.766  173.5    2.3    25   29.7 
2026-11-24 00:00 UT   03 39 36.4   +14 14 03     1.783    2.765  172.6    2.6    33   29.7 
2026-11-25 00:00 UT   03 38 22.0   +14 08 49     1.783    2.763  171.6    3.0    39   29.7 
2026-11-26 00:00 UT   03 37 07.9   +14 03 37     1.784    2.762  170.5    3.4    44   29.8 
2026-11-27 00:00 UT   03 35 54.2   +13 58 29     1.785    2.760  169.3    3.8    48   29.8 
2026-11-28 00:00 UT   03 34 40.9   +13 53 23     1.786    2.759  168.2    4.2    51   29.8 
2026-11-29 00:00 UT   03 33 28.1   +13 48 22     1.788    2.758  167.0    4.6    53   29.8 
2026-11-30 00:00 UT   03 32 16.0   +13 43 23     1.789    2.756  165.7    5.1    55   29.8 
2026-12-01 00:00 UT   03 31 04.5   +13 38 29     1.792    2.755  164.5    5.5    57   29.9 
2026-12-02 00:00 UT   03 29 53.8   +13 33 39     1.794    2.753  163.3    5.9    58   29.9 
2026-12-03 00:00 UT   03 28 43.9   +13 28 54     1.797    2.752  162.0    6.4    59   29.9 
2026-12-04 00:00 UT   03 27 34.8   +13 24 14     1.800    2.750  160.8    6.8    60   29.9 
2026-12-05 00:00 UT   03 26 26.7   +13 19 39     1.804    2.749  159.5    7.2    61   30.0 
2026-12-06 00:00 UT   03 25 19.6   +13 15 10     1.807    2.747  158.2    7.6    62   30.0 
2026-12-07 00:00 UT   03 24 13.5   +13 10 47     1.811    2.745  157.0    8.1    63   30.0 
2026-12-08 00:00 UT   03 23 08.6   +13 06 29     1.816    2.744  155.7    8.5    64   30.0 


    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.