(26) Proserpina
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	22 Dec 2025	12.6	2.567 AU	2.567 AU	12h45m	-01°38'	79.0°	22.1°
Opposition	4 Apr 2026	10.5	2.484 AU	1.485 AU	13h01m	-03°13'	176.8°	1.3°

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 Proserpina are:

            e (Eccentricity)                : 0.0886309
            a (Semimajor axis)              : 2.6551427
            i (Inclination)                 : 3.55452
            Ω (Longitude of ascending node) : 45.68524
            ω (Argument of perihelion)      : 196.05663
            M (Mean anomaly)                : 289.59074
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 61.71257
            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
2025-12-22 00:00 UT   12 45 19.7   -01 38 15     2.567    2.567   79.0   22.1   294   12.6 
2025-12-22 22:32 UT   12 46 23.4   -01 44 35     2.554    2.566   79.6   22.2   294   12.6 
2025-12-23 00:00 UT   12 46 27.5   -01 44 60     2.553    2.566   79.7   22.2   294   12.6 
2025-12-24 00:00 UT   12 47 34.6   -01 51 39     2.539    2.565   80.4   22.2   293   12.6 
2025-12-25 00:00 UT   12 48 41.1   -01 58 13     2.525    2.565   81.1   22.3   293   12.6 
2025-12-26 00:00 UT   12 49 46.9   -02 04 42     2.511    2.564   81.8   22.3   293   12.6 
2025-12-27 00:00 UT   12 50 52.0   -02 11 07     2.497    2.563   82.6   22.4   293   12.6 
2025-12-28 00:00 UT   12 51 56.4   -02 17 25     2.483    2.562   83.3   22.4   293   12.6 
2025-12-29 00:00 UT   12 52 60.0   -02 23 39     2.469    2.561   84.0   22.5   293   12.6 
2025-12-30 00:00 UT   12 54 02.9   -02 29 47     2.455    2.560   84.8   22.5   293   12.5 
2025-12-31 00:00 UT   12 55 05.0   -02 35 50     2.441    2.559   85.5   22.5   293   12.5 
2026-01-01 00:00 UT   12 56 06.4   -02 41 47     2.427    2.558   86.3   22.6   293   12.5 
2026-01-02 00:00 UT   12 57 07.0   -02 47 38     2.413    2.557   87.0   22.6   293   12.5 
2026-01-03 00:00 UT   12 58 06.8   -02 53 25     2.399    2.557   87.8   22.6   293   12.5 
2026-01-04 00:00 UT   12 59 05.8   -02 59 05     2.385    2.556   88.5   22.6   293   12.5 
2026-01-05 00:00 UT   13 00 04.0   -03 04 39     2.371    2.555   89.3   22.6   293   12.5 
2026-01-06 00:00 UT   13 01 01.3   -03 10 08     2.356    2.554   90.0   22.6   293   12.4 
2026-01-07 00:00 UT   13 01 57.7   -03 15 31     2.342    2.553   90.8   22.7   293   12.4 
2026-01-08 00:00 UT   13 02 53.3   -03 20 47     2.328    2.552   91.6   22.7   292   12.4 
2026-01-09 00:00 UT   13 03 48.0   -03 25 58     2.314    2.551   92.3   22.7   292   12.4 
2026-01-10 00:00 UT   13 04 41.8   -03 31 02     2.300    2.550   93.1   22.6   292   12.4 
2026-01-11 00:00 UT   13 05 34.6   -03 36 00     2.286    2.550   93.9   22.6   292   12.4 
2026-01-12 00:00 UT   13 06 26.5   -03 40 52     2.272    2.549   94.7   22.6   292   12.4 
2026-01-13 00:00 UT   13 07 17.4   -03 45 37     2.258    2.548   95.5   22.6   292   12.4 
2026-01-14 00:00 UT   13 08 07.3   -03 50 15     2.244    2.547   96.3   22.6   292   12.3 
2026-01-15 00:00 UT   13 08 56.2   -03 54 47     2.230    2.546   97.1   22.5   292   12.3 
2026-01-16 00:00 UT   13 09 44.1   -03 59 12     2.216    2.545   97.9   22.5   292   12.3 
2026-01-17 00:00 UT   13 10 30.9   -04 03 30     2.202    2.544   98.7   22.5   292   12.3 
2026-01-18 00:00 UT   13 11 16.6   -04 07 41     2.189    2.543   99.5   22.4   292   12.3 
2026-01-19 00:00 UT   13 12 01.3   -04 11 45     2.175    2.543  100.3   22.4   292   12.3 
2026-01-20 00:00 UT   13 12 44.9   -04 15 42     2.161    2.542  101.1   22.3   292   12.2 
2026-01-21 00:00 UT   13 13 27.3   -04 19 32     2.147    2.541  102.0   22.3   292   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.