2007 RO1
ephemeris date magn radius delta ra dec elong phase
Today16 Oct 202529.63.432 AU3.202 AU07h22m+30°44'94.7°16.8°
2007 RO1 - 2025-10-16
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 2007 RO1 are:

            e (Eccentricity)                : 0.6058870
            a (Semimajor axis)              : 2.2637766
            i (Inclination)                 : 8.55423
            Ω (Longitude of ascending node) : 339.34719
            ω (Argument of perihelion)      : 307.14536
            M (Mean anomaly)                : 82.69426
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : 286.80152
            B (Latitude of perihelion)      : -6.80934
            P (Orbital period in years)     : 3.41            
        

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. A more printer-friendly version of the same chart can be found below.




Ephemerides:
Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-10-16 00:00 UT   07 22 01.2   +30 44 09     3.202    3.432   94.7   16.8   277   29.6 
2025-10-16 17:31 UT   07 22 13.7   +30 45 19     3.192    3.433   95.4   16.8   277   29.6 
2025-10-17 00:00 UT   07 22 18.2   +30 45 45     3.189    3.434   95.7   16.8   277   29.6 
2025-10-18 00:00 UT   07 22 34.0   +30 47 25     3.176    3.436   96.6   16.7   277   29.6 
2025-10-19 00:00 UT   07 22 48.4   +30 49 07     3.163    3.439   97.5   16.7   277   29.6 
2025-10-20 00:00 UT   07 23 01.6   +30 50 53     3.150    3.441   98.5   16.6   277   29.6 
2025-10-21 00:00 UT   07 23 13.3   +30 52 42     3.137    3.443   99.4   16.6   277   29.6 
2025-10-22 00:00 UT   07 23 23.7   +30 54 34     3.124    3.446  100.4   16.5   277   29.5 
2025-10-23 00:00 UT   07 23 32.7   +30 56 29     3.112    3.448  101.3   16.4   276   29.5 
2025-10-24 00:00 UT   07 23 40.3   +30 58 27     3.099    3.450  102.3   16.4   276   29.5 
2025-10-25 00:00 UT   07 23 46.6   +31 00 28     3.086    3.452  103.2   16.3   276   29.5 
2025-10-26 00:00 UT   07 23 51.3   +31 02 32     3.073    3.455  104.2   16.2   276   29.5 
2025-10-27 00:00 UT   07 23 54.7   +31 04 39     3.061    3.457  105.2   16.1   276   29.5 
2025-10-28 00:00 UT   07 23 56.6   +31 06 49     3.048    3.459  106.2   16.0   276   29.5 
2025-10-29 00:00 UT   07 23 57.0   +31 09 02     3.036    3.461  107.2   15.9   275   29.5 
2025-10-30 00:00 UT   07 23 56.0   +31 11 18     3.023    3.464  108.2   15.8   275   29.5 
2025-10-31 00:00 UT   07 23 53.4   +31 13 37     3.011    3.466  109.2   15.7   275   29.5 
2025-11-01 00:00 UT   07 23 49.4   +31 15 58     2.998    3.468  110.2   15.6   275   29.4 
2025-11-02 00:00 UT   07 23 43.8   +31 18 23     2.986    3.470  111.2   15.5   275   29.4 
2025-11-03 00:00 UT   07 23 36.8   +31 20 50     2.974    3.472  112.2   15.3   274   29.4 
2025-11-04 00:00 UT   07 23 28.2   +31 23 20     2.962    3.474  113.2   15.2   274   29.4 
2025-11-05 00:00 UT   07 23 18.1   +31 25 52     2.950    3.477  114.2   15.1   274   29.4 
2025-11-06 00:00 UT   07 23 06.4   +31 28 27     2.938    3.479  115.3   14.9   274   29.4 
2025-11-07 00:00 UT   07 22 53.2   +31 31 04     2.926    3.481  116.3   14.8   274   29.4 
2025-11-08 00:00 UT   07 22 38.4   +31 33 43     2.915    3.483  117.3   14.6   273   29.4 
2025-11-09 00:00 UT   07 22 22.0   +31 36 25     2.903    3.485  118.4   14.5   273   29.3 
2025-11-10 00:00 UT   07 22 04.0   +31 39 09     2.892    3.487  119.4   14.3   273   29.3 
2025-11-11 00:00 UT   07 21 44.4   +31 41 54     2.881    3.489  120.5   14.2   272   29.3 
2025-11-12 00:00 UT   07 21 23.3   +31 44 42     2.869    3.491  121.6   14.0   272   29.3 
2025-11-13 00:00 UT   07 21 00.5   +31 47 32     2.858    3.493  122.6   13.8   272   29.3 
2025-11-14 00:00 UT   07 20 36.1   +31 50 23     2.848    3.495  123.7   13.6   272   29.3 
2025-11-15 00:00 UT   07 20 10.0   +31 53 15     2.837    3.497  124.8   13.4   271   29.3 


    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.