(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	22 Sep 2026	10.5	1.901 AU	0.933 AU	22h44m	+12°50'	158.0°	11.4°

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
2026-09-22 00:00 UT   22 44 40.7   +12 50 32     0.933    1.901  158.0   11.4   126   10.5 
2026-09-22 19:10 UT   22 44 09.9   +12 45 35     0.934    1.901  157.6   11.6   124   10.5 
2026-09-23 00:00 UT   22 44 02.2   +12 44 19     0.935    1.901  157.5   11.7   123   10.5 
2026-09-24 00:00 UT   22 43 25.1   +12 37 56     0.937    1.901  156.9   12.0   121   10.5 
2026-09-25 00:00 UT   22 42 49.5   +12 31 24     0.939    1.901  156.2   12.3   118   10.5 
2026-09-26 00:00 UT   22 42 15.4   +12 24 43     0.942    1.901  155.6   12.6   116   10.5 
2026-09-27 00:00 UT   22 41 42.9   +12 17 54     0.945    1.901  154.9   12.9   114   10.6 
2026-09-28 00:00 UT   22 41 12.1   +12 10 58     0.948    1.901  154.2   13.3   112   10.6 
2026-09-29 00:00 UT   22 40 43.0   +12 03 56     0.951    1.901  153.4   13.6   110   10.6 
2026-09-30 00:00 UT   22 40 15.7   +11 56 48     0.954    1.901  152.7   14.0   108   10.6 
2026-10-01 00:00 UT   22 39 50.1   +11 49 35     0.958    1.901  151.9   14.4   106   10.6 
2026-10-02 00:00 UT   22 39 26.4   +11 42 18     0.961    1.901  151.1   14.7   105   10.7 
2026-10-03 00:00 UT   22 39 04.7   +11 34 57     0.965    1.901  150.3   15.1   103   10.7 
2026-10-04 00:00 UT   22 38 44.8   +11 27 34     0.969    1.901  149.5   15.5   102   10.7 
2026-10-05 00:00 UT   22 38 27.0   +11 20 09     0.974    1.901  148.7   15.9   100   10.7 
2026-10-06 00:00 UT   22 38 11.1   +11 12 43     0.978    1.901  147.9   16.2    99   10.8 
2026-10-07 00:00 UT   22 37 57.3   +11 05 17     0.983    1.901  147.0   16.6    97   10.8 
2026-10-08 00:00 UT   22 37 45.6   +10 57 50     0.988    1.901  146.2   17.0    96   10.8 
2026-10-09 00:00 UT   22 37 35.9   +10 50 25     0.993    1.901  145.3   17.4    95   10.8 
2026-10-10 00:00 UT   22 37 28.4   +10 43 02     0.998    1.901  144.5   17.8    94   10.8 
2026-10-11 00:00 UT   22 37 23.1   +10 35 41     1.003    1.902  143.6   18.1    93   10.9 
2026-10-12 00:00 UT   22 37 19.9   +10 28 24     1.009    1.902  142.8   18.5    92   10.9 
2026-10-13 00:00 UT   22 37 18.9   +10 21 10     1.014    1.902  141.9   18.9    91   10.9 
2026-10-14 00:00 UT   22 37 20.0   +10 14 01     1.020    1.902  141.0   19.3    90   10.9 
2026-10-15 00:00 UT   22 37 23.4   +10 06 56     1.026    1.902  140.2   19.6    89   11.0 
2026-10-16 00:00 UT   22 37 28.9   +09 59 58     1.032    1.903  139.3   20.0    88   11.0 
2026-10-17 00:00 UT   22 37 36.6   +09 53 05     1.038    1.903  138.5   20.3    87   11.0 
2026-10-18 00:00 UT   22 37 46.5   +09 46 19     1.045    1.903  137.6   20.7    87   11.0 
2026-10-19 00:00 UT   22 37 58.5   +09 39 41     1.051    1.904  136.8   21.0    86   11.1 
2026-10-20 00:00 UT   22 38 12.7   +09 33 09     1.058    1.904  135.9   21.3    85   11.1 
2026-10-21 00:00 UT   22 38 29.0   +09 26 46     1.065    1.904  135.1   21.7    85   11.1 
2026-10-22 00:00 UT   22 38 47.4   +09 20 31     1.072    1.905  134.2   22.0    84   11.1 

    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.