(198) Ampella
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	12 Sep 2026	10.4	1.904 AU	0.924 AU	22h51m	+13°38'	160.7°	10.0°
Today	21 Oct 2026	11.1	1.904 AU	1.065 AU	22h38m	+09°26'	135.1°	21.7°

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
2026-10-21 00:00 UT   22 38 29.0   +09 26 46     1.065    1.904  135.1   21.7    85   11.1 
2026-10-21 03:38 UT   22 38 31.7   +09 25 49     1.066    1.904  134.9   21.7    84   11.1 
2026-10-22 00:00 UT   22 38 47.4   +09 20 31     1.072    1.905  134.2   22.0    84   11.1 
2026-10-23 00:00 UT   22 39 08.0   +09 14 25     1.079    1.905  133.4   22.3    83   11.2 
2026-10-24 00:00 UT   22 39 30.6   +09 08 27     1.087    1.906  132.5   22.6    83   11.2 
2026-10-25 00:00 UT   22 39 55.3   +09 02 39     1.094    1.906  131.7   22.9    82   11.2 
2026-10-26 00:00 UT   22 40 22.1   +08 57 01     1.101    1.907  130.9   23.2    82   11.2 
2026-10-27 00:00 UT   22 40 50.8   +08 51 32     1.109    1.907  130.0   23.5    81   11.3 
2026-10-28 00:00 UT   22 41 21.6   +08 46 13     1.117    1.907  129.2   23.8    80   11.3 
2026-10-29 00:00 UT   22 41 54.3   +08 41 05     1.125    1.908  128.4   24.1    80   11.3 
2026-10-30 00:00 UT   22 42 28.9   +08 36 07     1.133    1.909  127.6   24.4    79   11.3 
2026-10-31 00:00 UT   22 43 05.5   +08 31 19     1.141    1.909  126.8   24.6    79   11.4 
2026-11-01 00:00 UT   22 43 44.0   +08 26 43     1.149    1.910  126.0   24.9    78   11.4 
2026-11-02 00:00 UT   22 44 24.3   +08 22 17     1.158    1.910  125.2   25.1    78   11.4 
2026-11-03 00:00 UT   22 45 06.6   +08 18 03     1.166    1.911  124.4   25.4    78   11.4 
2026-11-04 00:00 UT   22 45 50.6   +08 13 59     1.175    1.911  123.6   25.6    77   11.5 
2026-11-05 00:00 UT   22 46 36.4   +08 10 08     1.184    1.912  122.8   25.8    77   11.5 
2026-11-06 00:00 UT   22 47 24.0   +08 06 28     1.192    1.913  122.0   26.1    76   11.5 
2026-11-07 00:00 UT   22 48 13.4   +08 02 60     1.201    1.913  121.3   26.3    76   11.5 
2026-11-08 00:00 UT   22 49 04.5   +07 59 43     1.210    1.914  120.5   26.5    76   11.6 
2026-11-09 00:00 UT   22 49 57.3   +07 56 39     1.219    1.915  119.7   26.7    75   11.6 
2026-11-10 00:00 UT   22 50 51.8   +07 53 47     1.229    1.916  119.0   26.9    75   11.6 
2026-11-11 00:00 UT   22 51 48.0   +07 51 06     1.238    1.916  118.2   27.1    75   11.6 
2026-11-12 00:00 UT   22 52 45.7   +07 48 38     1.247    1.917  117.5   27.3    74   11.6 
2026-11-13 00:00 UT   22 53 45.1   +07 46 22     1.257    1.918  116.7   27.5    74   11.7 
2026-11-14 00:00 UT   22 54 46.0   +07 44 18     1.267    1.919  116.0   27.6    74   11.7 
2026-11-15 00:00 UT   22 55 48.4   +07 42 27     1.276    1.919  115.2   27.8    73   11.7 
2026-11-16 00:00 UT   22 56 52.3   +07 40 47     1.286    1.920  114.5   27.9    73   11.7 
2026-11-17 00:00 UT   22 57 57.7   +07 39 20     1.296    1.921  113.8   28.1    73   11.8 
2026-11-18 00:00 UT   22 59 04.6   +07 38 04     1.306    1.922  113.1   28.2    72   11.8 
2026-11-19 00:00 UT   23 00 12.8   +07 37 00     1.316    1.923  112.3   28.4    72   11.8 
2026-11-20 00:00 UT   23 01 22.4   +07 36 09     1.326    1.924  111.6   28.5    72   11.8 

    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.