(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	8 Nov 2025	12.7	2.637 AU	3.280 AU	12h07m	-03°00'	42.5°	14.7°
Opposition	12 Apr 2026	11.1	2.887 AU	1.886 AU	13h28m	-04°59'	176.1°	1.4°

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 Hesperia are:

            e (Eccentricity)                : 0.1689530
            a (Semimajor axis)              : 2.9770572
            i (Inclination)                 : 8.58563
            Ω (Longitude of ascending node) : 184.89404
            ω (Argument of perihelion)      : 288.15032
            M (Mean anomaly)                : 42.79758
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 113.23636
            B (Latitude of perihelion)      : -8.15544
            P (Orbital period in years)     : 5.14            
        

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
2025-11-08 00:00 UT   12 07 46.2   -03 00 32     3.280    2.637   42.5   14.7   291   12.7 
2025-11-08 15:15 UT   12 08 43.4   -03 05 49     3.275    2.638   42.9   14.8   291   12.7 
2025-11-09 00:00 UT   12 09 16.2   -03 08 50     3.273    2.638   43.1   14.9   291   12.7 
2025-11-10 00:00 UT   12 10 46.0   -03 17 06     3.265    2.640   43.7   15.0   291   12.7 
2025-11-11 00:00 UT   12 12 15.4   -03 25 20     3.257    2.641   44.4   15.2   291   12.7 
2025-11-12 00:00 UT   12 13 44.6   -03 33 30     3.249    2.642   45.0   15.3   291   12.7 
2025-11-13 00:00 UT   12 15 13.4   -03 41 38     3.240    2.644   45.6   15.5   292   12.7 
2025-11-14 00:00 UT   12 16 41.9   -03 49 43     3.232    2.645   46.2   15.7   292   12.7 
2025-11-15 00:00 UT   12 18 10.0   -03 57 45     3.224    2.647   46.8   15.8   292   12.7 
2025-11-16 00:00 UT   12 19 37.9   -04 05 45     3.215    2.648   47.4   16.0   292   12.7 
2025-11-17 00:00 UT   12 21 05.3   -04 13 41     3.207    2.650   48.0   16.1   292   12.7 
2025-11-18 00:00 UT   12 22 32.5   -04 21 34     3.198    2.651   48.7   16.3   292   12.7 
2025-11-19 00:00 UT   12 23 59.2   -04 29 24     3.189    2.652   49.3   16.4   292   12.7 
2025-11-20 00:00 UT   12 25 25.6   -04 37 10     3.180    2.654   49.9   16.6   292   12.7 
2025-11-21 00:00 UT   12 26 51.6   -04 44 53     3.171    2.655   50.5   16.7   292   12.7 
2025-11-22 00:00 UT   12 28 17.3   -04 52 33     3.162    2.657   51.2   16.8   292   12.7 
2025-11-23 00:00 UT   12 29 42.5   -05 00 09     3.153    2.658   51.8   17.0   292   12.7 
2025-11-24 00:00 UT   12 31 07.4   -05 07 42     3.144    2.660   52.4   17.1   292   12.7 
2025-11-25 00:00 UT   12 32 31.9   -05 15 10     3.134    2.661   53.1   17.3   292   12.7 
2025-11-26 00:00 UT   12 33 55.9   -05 22 36     3.125    2.663   53.7   17.4   292   12.7 
2025-11-27 00:00 UT   12 35 19.6   -05 29 57     3.115    2.664   54.4   17.5   292   12.7 
2025-11-28 00:00 UT   12 36 42.8   -05 37 14     3.106    2.666   55.0   17.7   292   12.7 
2025-11-29 00:00 UT   12 38 05.6   -05 44 28     3.096    2.667   55.7   17.8   292   12.7 
2025-11-30 00:00 UT   12 39 27.9   -05 51 37     3.086    2.669   56.3   17.9   292   12.7 

    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.