(10) Hygiea
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	21 Dec 2025	10.3	3.415 AU	2.432 AU	06h02m	+24°38'	178.4°	0.5°
Today	7 Feb 2026	11.2	3.384 AU	2.710 AU	05h32m	+23°46'	125.9°	13.6°

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 Hygiea are:

            e (Eccentricity)                : 0.1082238
            a (Semimajor axis)              : 3.1475914
            i (Inclination)                 : 3.83294
            Ω (Longitude of ascending node) : 283.12164
            ω (Argument of perihelion)      : 312.60583
            M (Mean anomaly)                : 216.69031
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 235.79140
            B (Latitude of perihelion)      : -2.82019
            P (Orbital period in years)     : 5.58            
        

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
2026-02-07 00:00 UT   05 32 47.5   +23 46 08     2.710    3.384  125.9   13.6    88   11.2 
2026-02-07 11:08 UT   05 32 43.0   +23 45 41     2.715    3.384  125.4   13.7    88   11.3 
2026-02-08 00:00 UT   05 32 38.2   +23 45 09     2.721    3.384  124.9   13.8    88   11.3 
2026-02-09 00:00 UT   05 32 30.3   +23 44 12     2.733    3.383  123.8   14.0    88   11.3 
2026-02-10 00:00 UT   05 32 23.8   +23 43 15     2.744    3.382  122.8   14.2    88   11.3 
2026-02-11 00:00 UT   05 32 18.7   +23 42 20     2.756    3.381  121.8   14.4    88   11.3 
2026-02-12 00:00 UT   05 32 15.0   +23 41 26     2.768    3.381  120.7   14.5    87   11.3 
2026-02-13 00:00 UT   05 32 12.7   +23 40 34     2.780    3.380  119.7   14.7    87   11.3 
2026-02-14 00:00 UT   05 32 11.9   +23 39 43     2.792    3.379  118.7   14.9    87   11.4 
2026-02-15 00:00 UT   05 32 12.4   +23 38 53     2.804    3.379  117.7   15.0    87   11.4 
2026-02-16 00:00 UT   05 32 14.3   +23 38 04     2.817    3.378  116.7   15.1    87   11.4 
2026-02-17 00:00 UT   05 32 17.6   +23 37 17     2.829    3.377  115.7   15.3    87   11.4 
2026-02-18 00:00 UT   05 32 22.3   +23 36 31     2.842    3.376  114.7   15.4    87   11.4 
2026-02-19 00:00 UT   05 32 28.4   +23 35 46     2.855    3.376  113.7   15.6    87   11.4 
2026-02-20 00:00 UT   05 32 35.8   +23 35 02     2.867    3.375  112.7   15.7    87   11.4 
2026-02-21 00:00 UT   05 32 44.6   +23 34 20     2.880    3.374  111.8   15.8    87   11.4 
2026-02-22 00:00 UT   05 32 54.7   +23 33 39     2.893    3.373  110.8   15.9    87   11.5 
2026-02-23 00:00 UT   05 33 06.2   +23 32 59     2.906    3.373  109.8   16.0    87   11.5 
2026-02-24 00:00 UT   05 33 19.0   +23 32 20     2.919    3.372  108.9   16.1    87   11.5 
2026-02-25 00:00 UT   05 33 33.1   +23 31 43     2.933    3.371  107.9   16.2    87   11.5 
2026-02-26 00:00 UT   05 33 48.5   +23 31 07     2.946    3.371  107.0   16.3    87   11.5 
2026-02-27 00:00 UT   05 34 05.2   +23 30 31     2.959    3.370  106.0   16.4    87   11.5 
2026-02-28 00:00 UT   05 34 23.2   +23 29 57     2.973    3.369  105.1   16.5    88   11.5 
2026-03-01 00:00 UT   05 34 42.4   +23 29 24     2.986    3.368  104.2   16.6    88   11.5 
2026-03-02 00:00 UT   05 35 02.8   +23 28 51     3.000    3.368  103.2   16.6    88   11.6 
2026-03-03 00:00 UT   05 35 24.5   +23 28 20     3.013    3.367  102.3   16.7    88   11.6 
2026-03-04 00:00 UT   05 35 47.4   +23 27 50     3.027    3.366  101.4   16.8    88   11.6 
2026-03-05 00:00 UT   05 36 11.5   +23 27 20     3.040    3.365  100.5   16.8    88   11.6 
2026-03-06 00:00 UT   05 36 36.8   +23 26 51     3.054    3.365   99.6   16.9    88   11.6 
2026-03-07 00:00 UT   05 37 03.2   +23 26 23     3.068    3.364   98.7   17.0    88   11.6 
2026-03-08 00:00 UT   05 37 30.9   +23 25 56     3.082    3.363   97.8   17.0    88   11.6 
2026-03-09 00:00 UT   05 37 59.6   +23 25 29     3.095    3.362   96.9   17.0    88   11.6 

    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.