(133) Cyrene
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	12 Nov 2026	14.0	3.030 AU	3.496 AU	11h37m	+00°02'	54.5°	15.4°
Opposition	26 Mar 2027	12.0	2.863 AU	1.872 AU	12h09m	-09°55'	171.8°	2.9°

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 Cyrene are:

            e (Eccentricity)                : 0.1295230
            a (Semimajor axis)              : 3.0728365
            i (Inclination)                 : 7.23512
            Ω (Longitude of ascending node) : 318.62826
            ω (Argument of perihelion)      : 292.17256
            M (Mean anomaly)                : 254.96224
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 250.96136
            B (Latitude of perihelion)      : -6.69754
            P (Orbital period in years)     : 5.39            
        

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
2026-11-12 00:00 UT   11 37 13.6   +00 02 21     3.496    3.030   54.5   15.4   292   14.0 
2026-11-12 06:26 UT   11 37 32.0   +00 00 06     3.492    3.030   54.7   15.5   292   14.0 
2026-11-13 00:00 UT   11 38 22.1   +00 06 46     3.483    3.029   55.2   15.6   292   14.0 
2026-11-14 00:00 UT   11 39 30.2   +00 15 52     3.470    3.028   55.9   15.7   292   14.0 
2026-11-15 00:00 UT   11 40 37.9   +00 24 56     3.457    3.027   56.6   15.8   292   14.0 
2026-11-16 00:00 UT   11 41 45.3   +00 33 59     3.444    3.025   57.3   16.0   292   14.0 
2026-11-17 00:00 UT   11 42 52.2   +00 43 01     3.430    3.024   57.9   16.1   292   14.0 
2026-11-18 00:00 UT   11 43 58.8   +00 52 01     3.417    3.023   58.6   16.2   292   14.0 
2026-11-19 00:00 UT   11 45 05.0   -01 01 00     3.403    3.021   59.3   16.3   292   14.0 
2026-11-20 00:00 UT   11 46 10.7   -01 09 57     3.390    3.020   60.0   16.5   292   14.0 
2026-11-21 00:00 UT   11 47 16.0   -01 18 53     3.376    3.019   60.7   16.6   292   14.0 
2026-11-22 00:00 UT   11 48 20.9   -01 27 47     3.362    3.018   61.4   16.7   292   14.0 
2026-11-23 00:00 UT   11 49 25.4   -01 36 40     3.349    3.016   62.1   16.8   292   13.9 
2026-11-24 00:00 UT   11 50 29.4   -01 45 30     3.335    3.015   62.8   16.9   292   13.9 
2026-11-25 00:00 UT   11 51 33.0   -01 54 20     3.321    3.014   63.6   17.1   292   13.9 
2026-11-26 00:00 UT   11 52 36.1   -02 03 07     3.307    3.012   64.3   17.2   292   13.9 
2026-11-27 00:00 UT   11 53 38.7   -02 11 52     3.293    3.011   65.0   17.3   292   13.9 
2026-11-28 00:00 UT   11 54 40.9   -02 20 36     3.278    3.010   65.7   17.4   292   13.9 
2026-11-29 00:00 UT   11 55 42.6   -02 29 17     3.264    3.009   66.4   17.5   292   13.9 
2026-11-30 00:00 UT   11 56 43.8   -02 37 57     3.250    3.007   67.1   17.6   292   13.9 
2026-12-01 00:00 UT   11 57 44.5   -02 46 34     3.236    3.006   67.9   17.7   292   13.9 
2026-12-02 00:00 UT   11 58 44.7   -02 55 10     3.221    3.005   68.6   17.8   292   13.9 
2026-12-03 00:00 UT   11 59 44.3   -03 03 43     3.207    3.003   69.3   17.9   292   13.9 
2026-12-04 00:00 UT   12 00 43.5   -03 12 13     3.192    3.002   70.0   18.0   292   13.9 
2026-12-05 00:00 UT   12 01 42.0   -03 20 42     3.177    3.001   70.8   18.1   292   13.9 
2026-12-06 00:00 UT   12 02 40.0   -03 29 08     3.163    3.000   71.5   18.2   292   13.9 
2026-12-07 00:00 UT   12 03 37.5   -03 37 31     3.148    2.998   72.3   18.2   293   13.8 
2026-12-08 00:00 UT   12 04 34.4   -03 45 52     3.133    2.997   73.0   18.3   293   13.8 
2026-12-09 00:00 UT   12 05 30.6   -03 54 10     3.118    2.996   73.7   18.4   293   13.8 
2026-12-10 00:00 UT   12 06 26.3   -04 02 26     3.103    2.994   74.5   18.5   293   13.8 

    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.