(198) Ampella
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Jul 2026	11.4	1.938 AU	1.131 AU	23h15m	+10°42'	129.1°	24.0°
Opposition	12 Sep 2026	10.4	1.904 AU	0.924 AU	22h51m	+13°38'	160.7°	10.0°

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 Ampella are:

            e (Eccentricity)                : 0.2271493
            a (Semimajor axis)              : 2.4591408
            i (Inclination)                 : 9.32274
            Ω (Longitude of ascending node) : 268.20101
            ω (Argument of perihelion)      : 89.01909
            M (Mean anomaly)                : 330.95536
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 357.20697
            B (Latitude of perihelion)      : 9.32136
            P (Orbital period in years)     : 3.86            
        

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
2026-07-28 00:00 UT   23 15 19.1   +10 42 10     1.131    1.938  129.1   24.0   234   11.4 
2026-07-28 15:38 UT   23 15 22.5   +10 48 52     1.126    1.938  129.6   23.8   234   11.3 
2026-07-29 00:00 UT   23 15 24.0   +10 52 25     1.123    1.937  129.9   23.7   234   11.3 
2026-07-30 00:00 UT   23 15 27.0   +11 02 28     1.115    1.936  130.7   23.4   233   11.3 
2026-07-31 00:00 UT   23 15 28.2   +11 12 19     1.107    1.935  131.5   23.2   233   11.3 
2026-08-01 00:00 UT   23 15 27.5   +11 21 57     1.100    1.934  132.3   22.9   232   11.3 
2026-08-02 00:00 UT   23 15 25.0   +11 31 23     1.092    1.933  133.1   22.6   232   11.2 
2026-08-03 00:00 UT   23 15 20.7   +11 40 35     1.085    1.932  133.9   22.2   231   11.2 
2026-08-04 00:00 UT   23 15 14.4   +11 49 33     1.078    1.931  134.7   21.9   230   11.2 
2026-08-05 00:00 UT   23 15 06.3   +11 58 17     1.070    1.930  135.5   21.6   230   11.2 
2026-08-06 00:00 UT   23 14 56.4   +12 06 47     1.063    1.929  136.3   21.3   229   11.1 
2026-08-07 00:00 UT   23 14 44.5   +12 15 01     1.057    1.928  137.2   21.0   228   11.1 
2026-08-08 00:00 UT   23 14 30.8   +12 23 00     1.050    1.927  138.0   20.6   228   11.1 
2026-08-09 00:00 UT   23 14 15.3   +12 30 43     1.043    1.926  138.8   20.3   227   11.1 
2026-08-10 00:00 UT   23 13 57.9   +12 38 09     1.037    1.925  139.7   19.9   226   11.0 
2026-08-11 00:00 UT   23 13 38.7   +12 45 19     1.031    1.924  140.5   19.6   225   11.0 
2026-08-12 00:00 UT   23 13 17.7   +12 52 11     1.025    1.923  141.3   19.2   224   11.0 
2026-08-13 00:00 UT   23 12 54.9   +12 58 46     1.019    1.922  142.2   18.9   224   11.0 
2026-08-14 00:00 UT   23 12 30.4   +13 05 02     1.013    1.921  143.0   18.5   223   10.9 
2026-08-15 00:00 UT   23 12 04.1   +13 11 00     1.007    1.921  143.8   18.1   222   10.9 
2026-08-16 00:00 UT   23 11 36.2   +13 16 40     1.002    1.920  144.7   17.8   221   10.9 
2026-08-17 00:00 UT   23 11 06.7   +13 22 00     0.997    1.919  145.5   17.4   219   10.9 
2026-08-18 00:00 UT   23 10 35.6   +13 27 02     0.992    1.918  146.3   17.0   218   10.8 
2026-08-19 00:00 UT   23 10 03.0   +13 31 43     0.987    1.917  147.2   16.6   217   10.8 
2026-08-20 00:00 UT   23 09 28.9   +13 36 05     0.982    1.917  148.0   16.2   216   10.8 
2026-08-21 00:00 UT   23 08 53.3   +13 40 07     0.977    1.916  148.8   15.9   214   10.8 
2026-08-22 00:00 UT   23 08 16.4   +13 43 48     0.973    1.915  149.6   15.5   213   10.7 
2026-08-23 00:00 UT   23 07 38.1   +13 47 09     0.969    1.914  150.4   15.1   211   10.7 
2026-08-24 00:00 UT   23 06 58.6   +13 50 09     0.965    1.914  151.2   14.7   210   10.7 
2026-08-25 00:00 UT   23 06 17.9   +13 52 49     0.961    1.913  152.0   14.4   208   10.7 
2026-08-26 00:00 UT   23 05 36.1   +13 55 07     0.957    1.912  152.7   14.0   206   10.6 
2026-08-27 00:00 UT   23 04 53.2   +13 57 04     0.954    1.912  153.5   13.7   205   10.6 

    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.