(516) Amherstia
ephemeris date magn radius delta ra dec elong phase
Today28 Mar 202413.22.565 AU2.201 AU07h17m+27°15'99.7°22.5°
Opposition18 Jul 202511.12.250 AU1.248 AU20h06m-33°17'167.2°5.7°
(516) Amherstia - 2024-03-28
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 Amherstia are:

            e (Eccentricity)                : 0.2753642
            a (Semimajor axis)              : 2.6770729
            i (Inclination)                 : 12.95461
            Ω (Longitude of ascending node) : 328.71931
            ω (Argument of perihelion)      : 258.09742
            M (Mean anomaly)                : 294.98029
            Epoch                           : 2024 Mar 31

            L (Longitude of perihelion)     : 46.51508
            B (Latitude of perihelion)      : -12.67140
            P (Orbital period in years)     : 4.38            
        

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. A more printer-friendly version of the same chart can be found below.




Ephemerides:
Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2024-03-28 00:00 UT   07 17 32.5   +27 15 03     2.201    2.565   99.7   22.5    98   13.2 
2024-03-28 08:26 UT   07 17 44.3   +27 12 51     2.204    2.564   99.4   22.6    98   13.2 
2024-03-29 00:00 UT   07 18 06.6   +27 08 47     2.211    2.562   98.9   22.6    98   13.2 
2024-03-30 00:00 UT   07 18 42.2   +27 02 30     2.221    2.559   98.0   22.7    98   13.3 
2024-03-31 00:00 UT   07 19 19.3   +26 56 13     2.231    2.556   97.2   22.8    98   13.3 
2024-04-01 00:00 UT   07 19 57.8   +26 49 54     2.241    2.553   96.4   22.9    98   13.3 
2024-04-02 00:00 UT   07 20 37.8   +26 43 35     2.252    2.550   95.6   23.0    98   13.3 
2024-04-03 00:00 UT   07 21 19.2   +26 37 15     2.262    2.547   94.7   23.0    98   13.3 
2024-04-04 00:00 UT   07 22 02.1   +26 30 53     2.272    2.545   93.9   23.1    98   13.3 
2024-04-05 00:00 UT   07 22 46.3   +26 24 31     2.282    2.542   93.1   23.1    98   13.3 
2024-04-06 00:00 UT   07 23 31.9   +26 18 07     2.293    2.539   92.3   23.2    98   13.3 
2024-04-07 00:00 UT   07 24 18.8   +26 11 43     2.303    2.536   91.5   23.2    98   13.3 
2024-04-08 00:00 UT   07 25 07.0   +26 05 17     2.313    2.533   90.8   23.3    98   13.3 
2024-04-09 00:00 UT   07 25 56.6   +25 58 50     2.323    2.530   90.0   23.3    98   13.3 
2024-04-10 00:00 UT   07 26 47.4   +25 52 22     2.334    2.527   89.2   23.4    98   13.4 
2024-04-11 00:00 UT   07 27 39.5   +25 45 52     2.344    2.523   88.4   23.4    98   13.4 
2024-04-12 00:00 UT   07 28 32.9   +25 39 21     2.354    2.520   87.7   23.4    98   13.4 
2024-04-13 00:00 UT   07 29 27.4   +25 32 49     2.364    2.517   86.9   23.4    99   13.4 
2024-04-14 00:00 UT   07 30 23.1   +25 26 15     2.374    2.514   86.1   23.5    99   13.4 
2024-04-15 00:00 UT   07 31 20.0   +25 19 40     2.384    2.511   85.4   23.5    99   13.4 
2024-04-16 00:00 UT   07 32 18.0   +25 13 03     2.394    2.508   84.7   23.5    99   13.4 
2024-04-17 00:00 UT   07 33 17.2   +25 06 24     2.405    2.505   83.9   23.5    99   13.4 
2024-04-18 00:00 UT   07 34 17.4   +24 59 44     2.415    2.502   83.2   23.5    99   13.4 
2024-04-19 00:00 UT   07 35 18.7   +24 53 02     2.425    2.499   82.4   23.5    99   13.4 
2024-04-20 00:00 UT   07 36 21.1   +24 46 18     2.435    2.496   81.7   23.5    99   13.4 
2024-04-21 00:00 UT   07 37 24.5   +24 39 32     2.445    2.493   81.0   23.5    99   13.4 
2024-04-22 00:00 UT   07 38 28.9   +24 32 44     2.454    2.490   80.3   23.4    99   13.4 
2024-04-23 00:00 UT   07 39 34.3   +24 25 54     2.464    2.487   79.6   23.4    99   13.4 
2024-04-24 00:00 UT   07 40 40.7   +24 19 03     2.474    2.484   78.9   23.4    99   13.4 
2024-04-25 00:00 UT   07 41 48.0   +24 12 09     2.484    2.481   78.2   23.4    99   13.5 
2024-04-26 00:00 UT   07 42 56.2   +24 05 13     2.494    2.478   77.5   23.3    99   13.5 
2024-04-27 00:00 UT   07 44 05.4   +23 58 15     2.503    2.475   76.8   23.3    99   13.5 


    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.