(345) Tercidina
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	22 Jul 2026	12.3	2.436 AU	1.445 AU	19h55m	-03°54'	163.4°	6.8°
Today	27 Aug 2026	12.8	2.420 AU	1.577 AU	19h29m	-06°42'	137.5°	16.4°

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)                : 0.0611443
            a (Semimajor axis)              : 2.3255766
            i (Inclination)                 : 9.74273
            Ω (Longitude of ascending node) : 212.56978
            ω (Argument of perihelion)      : 230.31365
            M (Mean anomaly)                : 209.27030
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 262.47385
            B (Latitude of perihelion)      : -7.48271
            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.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2026-08-27 00:00 UT   19 29 42.1   -06 42 10     1.577    2.420  137.5   16.4    98   12.8 
2026-08-27 21:49 UT   19 29 25.6   -06 47 26     1.584    2.419  136.6   16.7    97   12.8 
2026-08-28 00:00 UT   19 29 24.0   -06 47 57     1.584    2.419  136.5   16.7    97   12.8 
2026-08-29 00:00 UT   19 29 07.6   -06 53 44     1.592    2.419  135.5   17.0    97   12.9 
2026-08-30 00:00 UT   19 28 53.0   -06 59 30     1.600    2.418  134.6   17.3    96   12.9 
2026-08-31 00:00 UT   19 28 40.2   -07 05 15     1.608    2.418  133.7   17.6    95   12.9 
2026-09-01 00:00 UT   19 28 29.1   -07 10 59     1.616    2.417  132.7   17.9    95   12.9 
2026-09-02 00:00 UT   19 28 19.9   -07 16 42     1.624    2.417  131.8   18.1    94   12.9 
2026-09-03 00:00 UT   19 28 12.4   -07 22 23     1.633    2.416  130.8   18.4    94   13.0 
2026-09-04 00:00 UT   19 28 06.6   -07 28 03     1.641    2.416  129.9   18.7    93   13.0 
2026-09-05 00:00 UT   19 28 02.7   -07 33 40     1.650    2.415  129.0   18.9    93   13.0 
2026-09-06 00:00 UT   19 28 00.5   -07 39 16     1.659    2.415  128.0   19.2    92   13.0 
2026-09-07 00:00 UT   19 28 00.2   -07 44 49     1.668    2.414  127.1   19.4    92   13.0 
2026-09-08 00:00 UT   19 28 01.6   -07 50 19     1.677    2.413  126.2   19.7    92   13.1 
2026-09-09 00:00 UT   19 28 04.8   -07 55 47     1.687    2.413  125.3   19.9    91   13.1 
2026-09-10 00:00 UT   19 28 09.8   -08 01 11     1.696    2.412  124.4   20.2    91   13.1 
2026-09-11 00:00 UT   19 28 16.5   -08 06 33     1.706    2.412  123.5   20.4    90   13.1 
2026-09-12 00:00 UT   19 28 25.0   -08 11 51     1.715    2.411  122.6   20.6    90   13.1 
2026-09-13 00:00 UT   19 28 35.3   -08 17 05     1.725    2.411  121.7   20.8    90   13.1 
2026-09-14 00:00 UT   19 28 47.4   -08 22 15     1.735    2.410  120.8   21.0    89   13.2 
2026-09-15 00:00 UT   19 29 01.1   -08 27 22     1.745    2.410  119.9   21.2    89   13.2 
2026-09-16 00:00 UT   19 29 16.6   -08 32 24     1.755    2.409  119.0   21.4    89   13.2 
2026-09-17 00:00 UT   19 29 33.8   -08 37 22     1.765    2.409  118.2   21.6    88   13.2 
2026-09-18 00:00 UT   19 29 52.7   -08 42 16     1.776    2.408  117.3   21.8    88   13.2 
2026-09-19 00:00 UT   19 30 13.2   -08 47 05     1.786    2.408  116.4   21.9    88   13.3 
2026-09-20 00:00 UT   19 30 35.4   -08 51 49     1.797    2.407  115.6   22.1    87   13.3 
2026-09-21 00:00 UT   19 30 59.3   -08 56 29     1.807    2.407  114.7   22.3    87   13.3 
2026-09-22 00:00 UT   19 31 24.8   -09 01 03     1.818    2.406  113.9   22.4    87   13.3 
2026-09-23 00:00 UT   19 31 51.9   -09 05 33     1.829    2.405  113.0   22.6    86   13.3 
2026-09-24 00:00 UT   19 32 20.5   -09 09 57     1.839    2.405  112.2   22.7    86   13.3 
2026-09-25 00:00 UT   19 32 50.8   -09 14 16     1.850    2.404  111.4   22.9    86   13.4 
2026-09-26 00:00 UT   19 33 22.5   -09 18 30     1.861    2.404  110.5   23.0    85   13.4 

    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.