(156) Xanthippe
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	26 Apr 2024	14.9	3.322 AU	4.318 AU	01h45m	+15°24'	7.2°	2.2°
Opposition	19 Nov 2024	13.3	3.301 AU	2.313 AU	03h40m	+20°39'	178.9°	0.3°

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 Xanthippe are:

            e (Eccentricity)                : 0.2258325
            a (Semimajor axis)              : 2.7284755
            i (Inclination)                 : 9.77912
            Ω (Longitude of ascending node) : 241.80123
            ω (Argument of perihelion)      : 338.37302
            M (Mean anomaly)                : 111.71119
            Epoch                           : 2023 Sep 13

            L (Longitude of perihelion)     : 220.46005
            B (Latitude of perihelion)      : -3.58909
            P (Orbital period in years)     : 4.51            
        

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
2024-04-26 00:00 UT   01 45 45.7   +15 24 05     4.318    3.322    7.2    2.2   284   14.9 
2024-04-26 04:50 UT   01 46 01.7   +15 25 22     4.318    3.323    7.3    2.2   284   14.9 
2024-04-27 00:00 UT   01 47 04.9   +15 30 27     4.318    3.323    7.7    2.3   282   14.9 
2024-04-28 00:00 UT   01 48 24.0   +15 36 47     4.317    3.323    8.3    2.5   279   14.9 
2024-04-29 00:00 UT   01 49 43.2   +15 43 07     4.316    3.324    8.8    2.7   277   14.9 
2024-04-30 00:00 UT   01 51 02.3   +15 49 25     4.314    3.324    9.4    2.8   275   14.9 
2024-05-01 00:00 UT   01 52 21.4   +15 55 42     4.313    3.325    9.9    3.0   274   14.9 
2024-05-02 00:00 UT   01 53 40.5   +16 01 57     4.311    3.325   10.5    3.2   272   14.9 
2024-05-03 00:00 UT   01 54 59.6   +16 08 11     4.309    3.326   11.1    3.3   271   15.0 
2024-05-04 00:00 UT   01 56 18.7   +16 14 24     4.308    3.326   11.7    3.5   270   15.0 
2024-05-05 00:00 UT   01 57 37.7   +16 20 35     4.305    3.327   12.3    3.7   269   15.0 
2024-05-06 00:00 UT   01 58 56.7   +16 26 45     4.303    3.327   12.9    3.9   268   15.0 
2024-05-07 00:00 UT   02 00 15.6   +16 32 53     4.301    3.328   13.5    4.1   267   15.0 
2024-05-08 00:00 UT   02 01 34.6   +16 38 59     4.298    3.328   14.1    4.2   266   15.0 
2024-05-09 00:00 UT   02 02 53.4   +16 45 04     4.295    3.329   14.7    4.4   265   15.0 
2024-05-10 00:00 UT   02 04 12.2   +16 51 07     4.292    3.329   15.3    4.6   265   15.0 
2024-05-11 00:00 UT   02 05 31.0   +16 57 09     4.289    3.330   15.9    4.8   264   15.0 
2024-05-12 00:00 UT   02 06 49.7   +17 03 09     4.286    3.330   16.5    4.9   264   15.0 
2024-05-13 00:00 UT   02 08 08.3   +17 09 07     4.283    3.330   17.1    5.1   263   15.0 
2024-05-14 00:00 UT   02 09 26.9   +17 15 03     4.279    3.331   17.8    5.3   263   15.1 
2024-05-15 00:00 UT   02 10 45.3   +17 20 57     4.275    3.331   18.4    5.5   262   15.1 
2024-05-16 00:00 UT   02 12 03.8   +17 26 50     4.271    3.332   19.0    5.7   262   15.1 
2024-05-17 00:00 UT   02 13 22.1   +17 32 40     4.267    3.332   19.6    5.8   262   15.1 
2024-05-18 00:00 UT   02 14 40.3   +17 38 29     4.263    3.332   20.2    6.0   261   15.1 
2024-05-19 00:00 UT   02 15 58.5   +17 44 16     4.259    3.333   20.9    6.2   261   15.1 
2024-05-20 00:00 UT   02 17 16.6   +17 50 00     4.254    3.333   21.5    6.4   261   15.1 
2024-05-21 00:00 UT   02 18 34.6   +17 55 43     4.249    3.333   22.1    6.6   260   15.1 

    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.