(48) Doris
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	20 Mar 2025	11.3	3.154 AU	2.158 AU	11h58m	-00°32'	179.4°	0.2°
Today	26 Mar 2025	11.5	3.157 AU	2.164 AU	11h55m	+00°03'	173.6°	2.0°

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 Doris are:

            e (Eccentricity)                : 0.0664039
            a (Semimajor axis)              : 3.1122532
            i (Inclination)                 : 6.55846
            Ω (Longitude of ascending node) : 183.43072
            ω (Argument of perihelion)      : 251.21995
            M (Mean anomaly)                : 105.97926
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : 254.53571
            B (Latitude of perihelion)      : -6.20788
            P (Orbital period in years)     : 5.49            
        

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
2025-03-26 00:00 UT   11 55 07.7   +00 03 34     2.164    3.157  173.6    2.0   110   11.5 
2025-03-26 10:34 UT   11 54 49.4   +00 06 23     2.165    3.157  173.1    2.2   110   11.6 
2025-03-27 00:00 UT   11 54 26.2   +00 09 59     2.166    3.158  172.4    2.4   110   11.6 
2025-03-28 00:00 UT   11 53 44.9   +00 16 22     2.168    3.158  171.2    2.8   111   11.6 
2025-03-29 00:00 UT   11 53 04.0   +00 22 42     2.171    3.159  170.1    3.1   111   11.6 
2025-03-30 00:00 UT   11 52 23.5   +00 29 00     2.174    3.160  168.9    3.5   112   11.7 
2025-03-31 00:00 UT   11 51 43.5   +00 35 15     2.177    3.160  167.7    3.9   112   11.7 
2025-04-01 00:00 UT   11 51 03.9   +00 41 26     2.180    3.161  166.5    4.2   112   11.7 
2025-04-02 00:00 UT   11 50 24.9   +00 47 34     2.184    3.161  165.3    4.6   113   11.7 
2025-04-03 00:00 UT   11 49 46.4   +00 53 38     2.188    3.162  164.2    5.0   113   11.7 
2025-04-04 00:00 UT   11 49 08.5   +00 59 37     2.193    3.163  163.0    5.3   113   11.8 
2025-04-05 00:00 UT   11 48 31.3   +01 05 32     2.197    3.163  161.8    5.7   113   11.8 
2025-04-06 00:00 UT   11 47 54.8   +01 11 22     2.202    3.164  160.7    6.0   113   11.8 
2025-04-07 00:00 UT   11 47 18.9   +01 17 06     2.207    3.164  159.5    6.4   113   11.8 
2025-04-08 00:00 UT   11 46 43.9   +01 22 45     2.213    3.165  158.3    6.7   113   11.9 
2025-04-09 00:00 UT   11 46 09.6   +01 28 19     2.219    3.166  157.2    7.0   113   11.9 
2025-04-10 00:00 UT   11 45 36.1   +01 33 47     2.225    3.166  156.0    7.4   113   11.9 
2025-04-11 00:00 UT   11 45 03.4   +01 39 08     2.231    3.167  154.9    7.7   113   11.9 
2025-04-12 00:00 UT   11 44 31.6   +01 44 23     2.237    3.168  153.8    8.0   113   11.9 
2025-04-13 00:00 UT   11 44 00.7   +01 49 32     2.244    3.168  152.6    8.4   114   12.0 
2025-04-14 00:00 UT   11 43 30.8   +01 54 34     2.251    3.169  151.5    8.7   114   12.0 
2025-04-15 00:00 UT   11 43 01.7   +01 59 30     2.258    3.169  150.4    9.0   114   12.0 
2025-04-16 00:00 UT   11 42 33.7   +02 04 18     2.266    3.170  149.3    9.3   114   12.0 
2025-04-17 00:00 UT   11 42 06.6   +02 08 59     2.273    3.171  148.2    9.6   114   12.1 
2025-04-18 00:00 UT   11 41 40.5   +02 13 33     2.281    3.171  147.0    9.9   114   12.1 
2025-04-19 00:00 UT   11 41 15.4   +02 17 59     2.289    3.172  145.9   10.2   114   12.1 
2025-04-20 00:00 UT   11 40 51.4   +02 22 17     2.298    3.172  144.8   10.5   114   12.1 
2025-04-21 00:00 UT   11 40 28.4   +02 26 28     2.306    3.173  143.8   10.8   114   12.1 
2025-04-22 00:00 UT   11 40 06.5   +02 30 31     2.315    3.174  142.7   11.1   114   12.2 
2025-04-23 00:00 UT   11 39 45.7   +02 34 26     2.324    3.174  141.6   11.3   114   12.2 
2025-04-24 00:00 UT   11 39 26.0   +02 38 13     2.334    3.175  140.5   11.6   114   12.2 
2025-04-25 00:00 UT   11 39 07.5   +02 41 52     2.343    3.175  139.4   11.9   114   12.2 

    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.