(345) Tercidina
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	14 Mar 2025	11.9	2.319 AU	1.334 AU	11h22m	-07°30'	169.3°	4.5°
Today	21 Mar 2025	12.0	2.323 AU	1.341 AU	11h16m	-06°24'	167.3°	5.4°

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 Tercidina are:

            e (Eccentricity)                : 0.0613536
            a (Semimajor axis)              : 2.3250137
            i (Inclination)                 : 9.74417
            Ω (Longitude of ascending node) : 212.57641
            ω (Argument of perihelion)      : 230.14242
            M (Mean anomaly)                : 98.25955
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : 262.30870
            B (Latitude of perihelion)      : -7.46511
            P (Orbital period in years)     : 3.55            
        

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
2025-03-21 00:00 UT   11 16 42.3   -06 24 58     1.341    2.323  167.3    5.4    61   12.0 
2025-03-21 10:14 UT   11 16 21.5   -06 20 33     1.342    2.323  167.0    5.5    63   12.0 
2025-03-22 00:00 UT   11 15 53.8   -06 14 36     1.343    2.324  166.6    5.7    65   12.0 
2025-03-23 00:00 UT   11 15 06.0   -06 04 12     1.346    2.325  165.8    6.1    69   12.0 
2025-03-24 00:00 UT   11 14 19.0   -05 53 46     1.348    2.325  164.9    6.4    73   12.0 
2025-03-25 00:00 UT   11 13 32.9   -05 43 18     1.351    2.326  164.0    6.8    76   12.1 
2025-03-26 00:00 UT   11 12 47.9   -05 32 51     1.354    2.327  163.1    7.2    79   12.1 
2025-03-27 00:00 UT   11 12 03.8   -05 22 24     1.358    2.327  162.1    7.6    81   12.1 
2025-03-28 00:00 UT   11 11 20.8   -05 11 57     1.361    2.328  161.1    8.0    84   12.1 
2025-03-29 00:00 UT   11 10 39.0   -05 01 33     1.365    2.329  160.1    8.4    86   12.2 
2025-03-30 00:00 UT   11 09 58.4   -04 51 11     1.369    2.329  159.1    8.8    88   12.2 
2025-03-31 00:00 UT   11 09 19.1   -04 40 52     1.374    2.330  158.0    9.2    89   12.2 
2025-04-01 00:00 UT   11 08 41.0   -04 30 37     1.378    2.331  157.0    9.7    91   12.2 
2025-04-02 00:00 UT   11 08 04.3   -04 20 26     1.383    2.331  155.9   10.1    92   12.3 
2025-04-03 00:00 UT   11 07 29.1   -04 10 20     1.388    2.332  154.8   10.5    93   12.3 
2025-04-04 00:00 UT   11 06 55.2   -04 00 20     1.393    2.333  153.8   10.9    94   12.3 
2025-04-05 00:00 UT   11 06 22.9   -03 50 26     1.399    2.334  152.7   11.3    96   12.3 
2025-04-06 00:00 UT   11 05 52.0   -03 40 38     1.405    2.334  151.6   11.8    97   12.4 
2025-04-07 00:00 UT   11 05 22.7   -03 30 58     1.411    2.335  150.6   12.2    97   12.4 
2025-04-08 00:00 UT   11 04 54.9   -03 21 25     1.417    2.336  149.5   12.6    98   12.4 
2025-04-09 00:00 UT   11 04 28.7   -03 12 00     1.424    2.336  148.4   13.0    99   12.4 
2025-04-10 00:00 UT   11 04 04.2   -03 02 44     1.430    2.337  147.3   13.4   100   12.5 
2025-04-11 00:00 UT   11 03 41.2   -02 53 36     1.437    2.338  146.3   13.8   100   12.5 
2025-04-12 00:00 UT   11 03 19.9   -02 44 38     1.444    2.338  145.2   14.2   101   12.5 
2025-04-13 00:00 UT   11 03 00.2   -02 35 49     1.452    2.339  144.1   14.5   102   12.5 
2025-04-14 00:00 UT   11 02 42.2   -02 27 10     1.459    2.340  143.1   14.9   102   12.6 
2025-04-15 00:00 UT   11 02 25.9   -02 18 41     1.467    2.340  142.0   15.3   103   12.6 
2025-04-16 00:00 UT   11 02 11.3   -02 10 23     1.475    2.341  141.0   15.7   103   12.6 
2025-04-17 00:00 UT   11 01 58.3   -02 02 15     1.483    2.342  139.9   16.0   104   12.6 
2025-04-18 00:00 UT   11 01 47.1   -01 54 18     1.491    2.342  138.9   16.4   104   12.7 
2025-04-19 00:00 UT   11 01 37.5   -01 46 33     1.499    2.343  137.9   16.7   105   12.7 
2025-04-20 00:00 UT   11 01 29.6   -01 38 59     1.508    2.344  136.9   17.0   105   12.7 

    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.