(26) Proserpina
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	4 Apr 2026	10.5	2.484 AU	1.485 AU	13h01m	-03°13'	176.8°	1.3°
Today	28 May 2026	11.7	2.452 AU	1.757 AU	12h33m	-02°03'	122.2°	20.5°

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 Proserpina are:

            e (Eccentricity)                : 0.0886309
            a (Semimajor axis)              : 2.6551427
            i (Inclination)                 : 3.55452
            Ω (Longitude of ascending node) : 45.68525
            ω (Argument of perihelion)      : 196.05661
            M (Mean anomaly)                : 289.59075
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 61.71256
            B (Latitude of perihelion)      : -0.98255
            P (Orbital period in years)     : 4.33            
        

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
2026-05-28 00:00 UT   12 33 29.0   -02 03 42     1.757    2.452  122.2   20.5   114   11.7 
2026-05-28 17:13 UT   12 33 34.1   -02 05 39     1.764    2.451  121.5   20.6   114   11.7 
2026-05-29 00:00 UT   12 33 36.3   -02 06 27     1.767    2.451  121.2   20.7   114   11.7 
2026-05-30 00:00 UT   12 33 45.1   -02 09 21     1.777    2.451  120.3   20.9   114   11.7 
2026-05-31 00:00 UT   12 33 55.4   -02 12 23     1.787    2.450  119.4   21.1   114   11.7 
2026-06-01 00:00 UT   12 34 07.2   -02 15 35     1.797    2.450  118.5   21.3   114   11.7 
2026-06-02 00:00 UT   12 34 20.5   -02 18 55     1.808    2.449  117.7   21.5   114   11.8 
2026-06-03 00:00 UT   12 34 35.3   -02 22 23     1.818    2.449  116.8   21.7   114   11.8 
2026-06-04 00:00 UT   12 34 51.6   -02 25 60     1.829    2.448  115.9   21.9   114   11.8 
2026-06-05 00:00 UT   12 35 09.3   -02 29 45     1.839    2.448  115.0   22.1   114   11.8 
2026-06-06 00:00 UT   12 35 28.4   -02 33 38     1.850    2.447  114.2   22.2   114   11.8 
2026-06-07 00:00 UT   12 35 49.0   -02 37 40     1.860    2.447  113.3   22.4   114   11.8 
2026-06-08 00:00 UT   12 36 11.0   -02 41 49     1.871    2.446  112.5   22.5   114   11.9 
2026-06-09 00:00 UT   12 36 34.4   -02 46 07     1.882    2.446  111.7   22.7   114   11.9 
2026-06-10 00:00 UT   12 36 59.2   -02 50 32     1.893    2.445  110.8   22.8   114   11.9 
2026-06-11 00:00 UT   12 37 25.3   -02 55 05     1.904    2.445  110.0   23.0   113   11.9 
2026-06-12 00:00 UT   12 37 52.8   -02 59 45     1.915    2.444  109.2   23.1   113   11.9 
2026-06-13 00:00 UT   12 38 21.6   -03 04 33     1.926    2.444  108.4   23.2   113   11.9 
2026-06-14 00:00 UT   12 38 51.8   -03 09 28     1.937    2.444  107.6   23.3   113   12.0 
2026-06-15 00:00 UT   12 39 23.3   -03 14 31     1.948    2.443  106.8   23.5   113   12.0 
2026-06-16 00:00 UT   12 39 56.1   -03 19 41     1.960    2.443  106.0   23.6   113   12.0 
2026-06-17 00:00 UT   12 40 30.2   -03 24 58     1.971    2.442  105.2   23.7   113   12.0 
2026-06-18 00:00 UT   12 41 05.5   -03 30 22     1.982    2.442  104.4   23.8   113   12.0 
2026-06-19 00:00 UT   12 41 42.1   -03 35 52     1.994    2.441  103.6   23.9   113   12.0 
2026-06-20 00:00 UT   12 42 19.9   -03 41 30     2.005    2.441  102.8   23.9   113   12.1 
2026-06-21 00:00 UT   12 42 58.9   -03 47 14     2.017    2.440  102.1   24.0   113   12.1 
2026-06-22 00:00 UT   12 43 39.1   -03 53 04     2.028    2.440  101.3   24.1   113   12.1 
2026-06-23 00:00 UT   12 44 20.5   -03 59 00     2.040    2.440  100.5   24.2   113   12.1 
2026-06-24 00:00 UT   12 45 03.1   -04 05 03     2.051    2.439   99.8   24.2   113   12.1 
2026-06-25 00:00 UT   12 45 46.8   -04 11 12     2.063    2.439   99.0   24.3   113   12.1 
2026-06-26 00:00 UT   12 46 31.6   -04 17 27     2.075    2.438   98.3   24.4   113   12.1 
2026-06-27 00:00 UT   12 47 17.6   -04 23 47     2.086    2.438   97.6   24.4   113   12.1 

    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.