2007 RO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	16 Nov 2025	29.2	3.500 AU	2.827 AU	07h19m	+31°55'	125.9°	13.2°

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)                : 0.6053834
            a (Semimajor axis)              : 2.2658475
            i (Inclination)                 : 8.56220
            Ω (Longitude of ascending node) : 339.15866
            ω (Argument of perihelion)      : 307.42062
            M (Mean anomaly)                : 140.36050
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 286.88964
            B (Latitude of perihelion)      : -6.79067
            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.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-11-16 00:00 UT   07 19 43.1   +31 55 45     2.827    3.500  125.9   13.2   271   29.2 
2025-11-16 00:49 UT   07 19 42.1   +31 55 51     2.827    3.500  125.9   13.2   271   29.2 
2025-11-17 00:00 UT   07 19 13.8   +31 58 39     2.817    3.502  126.9   13.0   270   29.2 
2025-11-18 00:00 UT   07 18 42.9   +32 01 35     2.807    3.503  128.0   12.8   270   29.2 
2025-11-19 00:00 UT   07 18 10.5   +32 04 31     2.797    3.505  129.1   12.6   270   29.2 
2025-11-20 00:00 UT   07 17 36.4   +32 07 28     2.787    3.507  130.2   12.4   269   29.2 
2025-11-21 00:00 UT   07 17 00.7   +32 10 26     2.777    3.509  131.4   12.2   269   29.2 
2025-11-22 00:00 UT   07 16 23.4   +32 13 23     2.768    3.511  132.5   12.0   268   29.2 
2025-11-23 00:00 UT   07 15 44.5   +32 16 21     2.758    3.513  133.6   11.8   268   29.1 
2025-11-24 00:00 UT   07 15 04.0   +32 19 19     2.749    3.515  134.7   11.5   267   29.1 
2025-11-25 00:00 UT   07 14 22.0   +32 22 16     2.740    3.517  135.8   11.3   267   29.1 
2025-11-26 00:00 UT   07 13 38.4   +32 25 13     2.732    3.518  137.0   11.0   266   29.1 
2025-11-27 00:00 UT   07 12 53.3   +32 28 08     2.723    3.520  138.1   10.8   266   29.1 
2025-11-28 00:00 UT   07 12 06.7   +32 31 03     2.715    3.522  139.2   10.5   265   29.1 
2025-11-29 00:00 UT   07 11 18.6   +32 33 57     2.707    3.524  140.4   10.3   265   29.1 
2025-11-30 00:00 UT   07 10 29.1   +32 36 48     2.700    3.526  141.5   10.0   264   29.0 
2025-12-01 00:00 UT   07 09 38.1   +32 39 39     2.692    3.527  142.7    9.8   263   29.0 
2025-12-02 00:00 UT   07 08 45.7   +32 42 27     2.685    3.529  143.8    9.5   263   29.0 
2025-12-03 00:00 UT   07 07 51.9   +32 45 12     2.678    3.531  144.9    9.2   262   29.0 
2025-12-04 00:00 UT   07 06 56.7   +32 47 56     2.671    3.532  146.1    9.0   261   29.0 
2025-12-05 00:00 UT   07 06 00.2   +32 50 36     2.665    3.534  147.2    8.7   260   29.0 
2025-12-06 00:00 UT   07 05 02.5   +32 53 14     2.659    3.536  148.4    8.4   259   28.9 
2025-12-07 00:00 UT   07 04 03.4   +32 55 49     2.653    3.538  149.5    8.1   258   28.9 
2025-12-08 00:00 UT   07 03 03.1   +32 58 20     2.647    3.539  150.7    7.8   257   28.9 
2025-12-09 00:00 UT   07 02 01.7   +33 00 47     2.642    3.541  151.8    7.5   256   28.9 
2025-12-10 00:00 UT   07 00 59.0   +33 03 10     2.637    3.542  153.0    7.3   255   28.9 
2025-12-11 00:00 UT   06 59 55.3   +33 05 30     2.632    3.544  154.1    7.0   254   28.9 
2025-12-12 00:00 UT   06 58 50.5   +33 07 45     2.628    3.546  155.2    6.7   253   28.8 
2025-12-13 00:00 UT   06 57 44.7   +33 09 55     2.623    3.547  156.3    6.4   251   28.8 
2025-12-14 00:00 UT   06 56 37.8   +33 12 00     2.619    3.549  157.5    6.1   250   28.8 
2025-12-15 00:00 UT   06 55 30.1   +33 14 01     2.616    3.550  158.6    5.8   248   28.8 
2025-12-16 00:00 UT   06 54 21.5   +33 15 56     2.613    3.552  159.6    5.5   246   28.8 

    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.