(109) Felicitas
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	27 Mar 2026	12.9	2.984 AU	1.986 AU	12h24m	-03°33'	179.0°	0.3°
Today	18 Apr 2026	13.6	3.039 AU	2.101 AU	12h06m	-02°19'	154.7°	8.1°

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 Felicitas are:

            e (Eccentricity)                : 0.3005178
            a (Semimajor axis)              : 2.6929229
            i (Inclination)                 : 7.84615
            Ω (Longitude of ascending node) : 2.71575
            ω (Argument of perihelion)      : 57.58398
            M (Mean anomaly)                : 66.77732
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 60.05537
            B (Latitude of perihelion)      : 6.61757
            P (Orbital period in years)     : 4.42            
        

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
2026-04-18 00:00 UT   12 06 04.0   -02 19 47     2.101    3.039  154.7    8.1   110   13.6 
2026-04-18 08:24 UT   12 05 49.3   -02 18 50     2.104    3.040  154.3    8.2   110   13.6 
2026-04-19 00:00 UT   12 05 22.4   -02 17 05     2.110    3.042  153.5    8.5   110   13.6 
2026-04-20 00:00 UT   12 04 41.9   -02 14 29     2.119    3.044  152.4    8.8   110   13.6 
2026-04-21 00:00 UT   12 04 02.6   -02 11 58     2.128    3.047  151.2    9.1   110   13.7 
2026-04-22 00:00 UT   12 03 24.4   -02 09 34     2.137    3.049  150.1    9.5   111   13.7 
2026-04-23 00:00 UT   12 02 47.4   -02 07 15     2.146    3.052  148.9    9.8   111   13.7 
2026-04-24 00:00 UT   12 02 11.6   -02 05 03     2.156    3.054  147.8   10.1   111   13.7 
2026-04-25 00:00 UT   12 01 37.1   -02 02 57     2.166    3.057  146.7   10.4   111   13.7 
2026-04-26 00:00 UT   12 01 03.8   -02 00 57     2.176    3.059  145.6   10.7   111   13.8 
2026-04-27 00:00 UT   12 00 31.7   -01 59 04     2.186    3.062  144.5   11.0   111   13.8 
2026-04-28 00:00 UT   12 00 00.9   -01 57 17     2.197    3.064  143.4   11.3   111   13.8 
2026-04-29 00:00 UT   11 59 31.4   -01 55 37     2.208    3.067  142.3   11.6   111   13.8 
2026-04-30 00:00 UT   11 59 03.2   -01 54 04     2.219    3.069  141.2   11.9   111   13.9 
2026-05-01 00:00 UT   11 58 36.2   -01 52 37     2.230    3.072  140.1   12.1   111   13.9 
2026-05-02 00:00 UT   11 58 10.6   -01 51 17     2.241    3.074  139.0   12.4   111   13.9 
2026-05-03 00:00 UT   11 57 46.3   -01 50 04     2.253    3.077  138.0   12.7   111   13.9 
2026-05-04 00:00 UT   11 57 23.3   -01 48 58     2.265    3.079  136.9   12.9   111   14.0 
2026-05-05 00:00 UT   11 57 01.6   -01 47 59     2.277    3.081  135.8   13.2   111   14.0 
2026-05-06 00:00 UT   11 56 41.2   -01 47 07     2.289    3.084  134.8   13.4   111   14.0 
2026-05-07 00:00 UT   11 56 22.1   -01 46 22     2.301    3.086  133.7   13.7   112   14.0 
2026-05-08 00:00 UT   11 56 04.4   -01 45 44     2.314    3.089  132.7   13.9   112   14.0 
2026-05-09 00:00 UT   11 55 47.9   -01 45 13     2.326    3.091  131.7   14.1   112   14.1 
2026-05-10 00:00 UT   11 55 32.8   -01 44 50     2.339    3.093  130.6   14.3   112   14.1 
2026-05-11 00:00 UT   11 55 19.0   -01 44 33     2.352    3.096  129.6   14.6   112   14.1 
2026-05-12 00:00 UT   11 55 06.5   -01 44 23     2.366    3.098  128.6   14.8   112   14.1 
2026-05-13 00:00 UT   11 54 55.4   -01 44 21     2.379    3.100  127.6   15.0   112   14.2 
2026-05-14 00:00 UT   11 54 45.5   -01 44 26     2.392    3.103  126.6   15.2   112   14.2 
2026-05-15 00:00 UT   11 54 37.0   -01 44 37     2.406    3.105  125.6   15.3   112   14.2 
2026-05-16 00:00 UT   11 54 29.7   -01 44 56     2.420    3.108  124.6   15.5   112   14.2 
2026-05-17 00:00 UT   11 54 23.7   -01 45 22     2.434    3.110  123.6   15.7   112   14.2 
2026-05-18 00:00 UT   11 54 19.1   -01 45 56     2.448    3.112  122.7   15.9   112   14.3 

    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.