(345) Tercidina
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	5 Jul 2025	14.0	2.393 AU	2.409 AU	11h56m	-01°12'	76.9°	24.4°
Opposition	22 Jul 2026	12.3	2.435 AU	1.444 AU	19h55m	-03°54'	163.4°	6.8°

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
2025-07-05 00:00 UT   11 56 49.4   -01 12 29     2.409    2.393   76.9   24.4   114   14.0 
2025-07-05 23:51 UT   11 58 07.0   -01 17 37     2.422    2.393   76.2   24.4   114   14.0 
2025-07-06 00:00 UT   11 58 07.5   -01 17 39     2.422    2.393   76.2   24.4   114   14.0 
2025-07-07 00:00 UT   11 59 26.1   -01 22 54     2.434    2.394   75.6   24.3   114   14.0 
2025-07-08 00:00 UT   12 00 45.2   -01 28 15     2.447    2.394   75.0   24.2   114   14.0 
2025-07-09 00:00 UT   12 02 04.8   -01 33 41     2.459    2.395   74.4   24.1   114   14.0 
2025-07-10 00:00 UT   12 03 24.9   -01 39 12     2.472    2.396   73.8   24.0   114   14.0 
2025-07-11 00:00 UT   12 04 45.6   -01 44 48     2.484    2.396   73.2   24.0   114   14.0 
2025-07-12 00:00 UT   12 06 06.7   -01 50 29     2.496    2.397   72.6   23.9   114   14.1 
2025-07-13 00:00 UT   12 07 28.2   -01 56 15     2.509    2.397   72.0   23.8   114   14.1 
2025-07-14 00:00 UT   12 08 50.3   -02 02 05     2.521    2.398   71.4   23.7   114   14.1 
2025-07-15 00:00 UT   12 10 12.8   -02 07 60     2.533    2.399   70.8   23.6   114   14.1 
2025-07-16 00:00 UT   12 11 35.7   -02 13 59     2.545    2.399   70.2   23.5   114   14.1 
2025-07-17 00:00 UT   12 12 59.1   -02 20 03     2.557    2.400   69.6   23.4   114   14.1 
2025-07-18 00:00 UT   12 14 23.0   -02 26 10     2.569    2.400   69.0   23.3   114   14.1 
2025-07-19 00:00 UT   12 15 47.3   -02 32 22     2.581    2.401   68.4   23.2   114   14.1 
2025-07-20 00:00 UT   12 17 12.0   -02 38 39     2.593    2.401   67.8   23.1   114   14.1 
2025-07-21 00:00 UT   12 18 37.1   -02 44 59     2.605    2.402   67.2   23.0   114   14.1 
2025-07-22 00:00 UT   12 20 02.7   -02 51 23     2.617    2.402   66.6   22.8   114   14.1 
2025-07-23 00:00 UT   12 21 28.7   -02 57 51     2.629    2.403   66.0   22.7   114   14.1 
2025-07-24 00:00 UT   12 22 55.1   -03 04 23     2.641    2.404   65.5   22.6   114   14.1 
2025-07-25 00:00 UT   12 24 21.9   -03 10 58     2.653    2.404   64.9   22.5   114   14.2 
2025-07-26 00:00 UT   12 25 49.1   -03 17 37     2.664    2.405   64.3   22.4   113   14.2 
2025-07-27 00:00 UT   12 27 16.7   -03 24 20     2.676    2.405   63.7   22.2   113   14.2 
2025-07-28 00:00 UT   12 28 44.7   -03 31 05     2.687    2.406   63.1   22.1   113   14.2 

    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.