2021 VB7
ephemeris date magn radius delta ra dec elong phase
Today3 Dec 202526.91.309 AU2.130 AU15h01m-10°53'25.3°18.8°
2021 VB7 - 2025-12-03
astro.vanbuitenen.nl


 
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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 2021 VB7 are:

            e (Eccentricity)                : 0.4300757
            a (Semimajor axis)              : 1.3099911
            i (Inclination)                 : 35.45115
            Ω (Longitude of ascending node) : 41.50682
            ω (Argument of perihelion)      : 278.31888
            M (Mean anomaly)                : 286.87162
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : -38.31708
            B (Latitude of perihelion)      : -35.02305
            P (Orbital period in years)     : 1.50            
        

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
2025-12-03 00:00 UT   15 01 24.8   -10 53 30     2.130    1.309   25.3   18.8   299   26.9 
2025-12-03 19:15 UT   15 03 35.8   -11 13 15     2.123    1.304   25.5   19.0   299   26.9 
2025-12-04 00:00 UT   15 04 08.3   -11 18 09     2.121    1.302   25.5   19.0   298   26.9 
2025-12-05 00:00 UT   15 06 53.3   -11 42 52     2.111    1.296   25.7   19.3   298   26.9 
2025-12-06 00:00 UT   15 09 39.8   -12 07 39     2.102    1.289   25.9   19.5   297   26.9 
2025-12-07 00:00 UT   15 12 28.0   -12 32 31     2.092    1.283   26.1   19.8   296   26.9 
2025-12-08 00:00 UT   15 15 17.9   -12 57 26     2.082    1.276   26.3   20.0   295   26.9 
2025-12-09 00:00 UT   15 18 09.4   -13 22 26     2.073    1.269   26.5   20.3   295   26.9 
2025-12-10 00:00 UT   15 21 02.8   -13 47 29     2.063    1.263   26.7   20.5   294   26.9 
2025-12-11 00:00 UT   15 23 57.9   -14 12 37     2.053    1.256   26.9   20.7   293   26.8 
2025-12-12 00:00 UT   15 26 55.0   -14 37 47     2.043    1.249   27.1   21.0   292   26.8 
2025-12-13 00:00 UT   15 29 54.0   -15 03 01     2.034    1.243   27.2   21.3   291   26.8 


    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.