(69) Hesperia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	23 Jan 2026	12.4	2.753 AU	2.468 AU	13h38m	-10°05'	96.2°	20.8°
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)      : 288.15033
            M (Mean anomaly)                : 42.79758
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 113.23637
            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
2026-01-23 00:00 UT   13 38 22.3   -10 05 30     2.468    2.753   96.2   20.8   291   12.4 
2026-01-23 20:10 UT   13 38 57.7   -10 06 51     2.457    2.754   96.9   20.8   291   12.4 
2026-01-24 00:00 UT   13 39 04.4   -10 07 06     2.456    2.755   97.0   20.8   291   12.4 
2026-01-25 00:00 UT   13 39 45.4   -10 08 33     2.443    2.756   97.9   20.7   291   12.4 
2026-01-26 00:00 UT   13 40 25.2   -10 09 52     2.431    2.758   98.7   20.7   291   12.4 
2026-01-27 00:00 UT   13 41 03.9   -10 11 03     2.419    2.760   99.6   20.6   291   12.3 
2026-01-28 00:00 UT   13 41 41.5   -10 12 05     2.407    2.761  100.4   20.5   291   12.3 
2026-01-29 00:00 UT   13 42 17.9   -10 12 59     2.395    2.763  101.3   20.5   291   12.3 
2026-01-30 00:00 UT   13 42 53.0   -10 13 44     2.383    2.765  102.2   20.4   291   12.3 
2026-01-31 00:00 UT   13 43 27.0   -10 14 21     2.372    2.766  103.1   20.3   291   12.3 
2026-02-01 00:00 UT   13 43 59.8   -10 14 49     2.360    2.768  104.0   20.2   291   12.3 
2026-02-02 00:00 UT   13 44 31.3   -10 15 09     2.348    2.769  104.8   20.1   291   12.3 
2026-02-03 00:00 UT   13 45 01.6   -10 15 20     2.336    2.771  105.7   20.0   291   12.3 
2026-02-04 00:00 UT   13 45 30.6   -10 15 22     2.325    2.773  106.6   19.9   291   12.2 
2026-02-05 00:00 UT   13 45 58.4   -10 15 15     2.313    2.774  107.6   19.8   291   12.2 
2026-02-06 00:00 UT   13 46 24.8   -10 14 59     2.301    2.776  108.5   19.7   291   12.2 
2026-02-07 00:00 UT   13 46 50.0   -10 14 34     2.290    2.778  109.4   19.6   291   12.2 
2026-02-08 00:00 UT   13 47 13.8   -10 14 00     2.279    2.779  110.3   19.4   291   12.2 
2026-02-09 00:00 UT   13 47 36.3   -10 13 17     2.267    2.781  111.2   19.3   290   12.2 
2026-02-10 00:00 UT   13 47 57.5   -10 12 25     2.256    2.783  112.2   19.2   290   12.2 
2026-02-11 00:00 UT   13 48 17.2   -10 11 24     2.245    2.784  113.1   19.0   290   12.1 
2026-02-12 00:00 UT   13 48 35.7   -10 10 13     2.234    2.786  114.1   18.9   290   12.1 
2026-02-13 00:00 UT   13 48 52.7   -10 08 53     2.223    2.788  115.0   18.7   290   12.1 
2026-02-14 00:00 UT   13 49 08.3   -10 07 23     2.212    2.789  116.0   18.6   290   12.1 
2026-02-15 00:00 UT   13 49 22.5   -10 05 44     2.201    2.791  116.9   18.4   290   12.1 
2026-02-16 00:00 UT   13 49 35.3   -10 03 56     2.190    2.793  117.9   18.2   290   12.1 
2026-02-17 00:00 UT   13 49 46.7   -10 01 58     2.180    2.794  118.9   18.0   290   12.1 
2026-02-18 00:00 UT   13 49 56.6   -09 59 51     2.169    2.796  119.9   17.8   290   12.0 
2026-02-19 00:00 UT   13 50 05.1   -09 57 34     2.159    2.798  120.9   17.7   290   12.0 
2026-02-20 00:00 UT   13 50 12.1   -09 55 08     2.149    2.799  121.9   17.5   290   12.0 
2026-02-21 00:00 UT   13 50 17.7   -09 52 32     2.138    2.801  122.9   17.3   290   12.0 
2026-02-22 00:00 UT   13 50 21.9   -09 49 47     2.128    2.803  123.9   17.0   290   12.0 

    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.