(654) Zelinda
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	27 Oct 2025	11.7	2.264 AU	1.340 AU	01h20m	+39°22'	151.5°	12.1°
Today	5 Nov 2025	11.7	2.241 AU	1.325 AU	01h10m	+37°51'	150.3°	12.7°

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 Zelinda are:

            e (Eccentricity)                : 0.2315731
            a (Semimajor axis)              : 2.2967353
            i (Inclination)                 : 18.09758
            Ω (Longitude of ascending node) : 278.32453
            ω (Argument of perihelion)      : 214.57881
            M (Mean anomaly)                : 293.75033
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 311.55764
            B (Latitude of perihelion)      : -10.15422
            P (Orbital period in years)     : 3.48            
        

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
2025-11-05 00:00 UT   01 10 53.7   +37 51 55     1.325    2.241  150.3   12.7   133   11.7 
2025-11-05 19:31 UT   01 10 06.5   +37 42 04     1.325    2.239  150.0   12.8   130   11.7 
2025-11-06 00:00 UT   01 09 55.8   +37 39 47     1.325    2.238  149.9   12.8   130   11.7 
2025-11-07 00:00 UT   01 08 59.6   +37 27 23     1.324    2.236  149.5   13.0   128   11.7 
2025-11-08 00:00 UT   01 08 05.1   +37 14 43     1.324    2.233  149.1   13.2   125   11.7 
2025-11-09 00:00 UT   01 07 12.3   +37 01 50     1.324    2.230  148.6   13.4   123   11.7 
2025-11-10 00:00 UT   01 06 21.5   +36 48 43     1.324    2.227  148.1   13.6   121   11.7 
2025-11-11 00:00 UT   01 05 32.5   +36 35 24     1.325    2.225  147.5   13.8   118   11.7 
2025-11-12 00:00 UT   01 04 45.5   +36 21 53     1.326    2.222  147.0   14.1   116   11.7 
2025-11-13 00:00 UT   01 04 00.6   +36 08 12     1.327    2.219  146.3   14.3   114   11.8 
2025-11-14 00:00 UT   01 03 17.8   +35 54 21     1.328    2.217  145.7   14.6   112   11.8 
2025-11-15 00:00 UT   01 02 37.1   +35 40 22     1.329    2.214  145.1   14.8   110   11.8 
2025-11-16 00:00 UT   01 01 58.7   +35 26 15     1.331    2.211  144.4   15.1   109   11.8 
2025-11-17 00:00 UT   01 01 22.4   +35 12 02     1.333    2.209  143.7   15.4   107   11.8 
2025-11-18 00:00 UT   01 00 48.5   +34 57 43     1.335    2.206  142.9   15.7   105   11.8 
2025-11-19 00:00 UT   01 00 16.9   +34 43 20     1.337    2.203  142.2   16.0   104   11.8 
2025-11-20 00:00 UT   00 59 47.6   +34 28 53     1.340    2.201  141.4   16.3   102   11.8 
2025-11-21 00:00 UT   00 59 20.7   +34 14 24     1.343    2.198  140.7   16.6   101   11.8 
2025-11-22 00:00 UT   00 58 56.2   +33 59 53     1.346    2.195  139.9   16.9    99   11.8 
2025-11-23 00:00 UT   00 58 34.1   +33 45 21     1.349    2.192  139.1   17.2    98   11.9 
2025-11-24 00:00 UT   00 58 14.4   +33 30 50     1.352    2.190  138.3   17.5    96   11.9 
2025-11-25 00:00 UT   00 57 57.2   +33 16 20     1.356    2.187  137.4   17.8    95   11.9 
2025-11-26 00:00 UT   00 57 42.4   +33 01 52     1.359    2.184  136.6   18.1    94   11.9 
2025-11-27 00:00 UT   00 57 30.0   +32 47 27     1.363    2.182  135.8   18.4    93   11.9 
2025-11-28 00:00 UT   00 57 20.2   +32 33 05     1.367    2.179  134.9   18.7    92   11.9 
2025-11-29 00:00 UT   00 57 12.7   +32 18 48     1.371    2.176  134.1   19.0    91   11.9 
2025-11-30 00:00 UT   00 57 07.7   +32 04 37     1.376    2.174  133.2   19.3    90   12.0 
2025-12-01 00:00 UT   00 57 05.1   +31 50 31     1.380    2.171  132.4   19.6    89   12.0 
2025-12-02 00:00 UT   00 57 04.9   +31 36 32     1.385    2.168  131.5   19.9    88   12.0 
2025-12-03 00:00 UT   00 57 07.0   +31 22 39     1.390    2.165  130.6   20.2    87   12.0 
2025-12-04 00:00 UT   00 57 11.6   +31 08 55     1.395    2.163  129.8   20.5    86   12.0 
2025-12-05 00:00 UT   00 57 18.5   +30 55 19     1.401    2.160  128.9   20.8    85   12.0 

    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.