2007 RO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	14 Dec 2025	28.8	3.549 AU	2.619 AU	06h56m	+33°12'	157.5°	6.1°

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
2025-12-14 00:00 UT   06 56 37.8   +33 12 00     2.619    3.549  157.5    6.1   250   28.8 
2025-12-14 09:24 UT   06 56 11.4   +33 12 48     2.618    3.549  157.9    6.0   249   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 
2025-12-17 00:00 UT   06 53 12.0   +33 17 46     2.610    3.553  160.7    5.2   244   28.8 
2025-12-18 00:00 UT   06 52 01.8   +33 19 30     2.607    3.555  161.8    5.0   241   28.8 
2025-12-19 00:00 UT   06 50 50.9   +33 21 08     2.605    3.556  162.8    4.7   239   28.7 
2025-12-20 00:00 UT   06 49 39.4   +33 22 40     2.603    3.558  163.8    4.4   236   28.7 
2025-12-21 00:00 UT   06 48 27.2   +33 24 06     2.601    3.559  164.7    4.2   233   28.7 
2025-12-22 00:00 UT   06 47 14.6   +33 25 26     2.599    3.561  165.6    3.9   229   28.7 
2025-12-23 00:00 UT   06 46 01.4   +33 26 39     2.598    3.562  166.5    3.7   225   28.7 
2025-12-24 00:00 UT   06 44 47.9   +33 27 46     2.598    3.564  167.3    3.5   220   28.7 
2025-12-25 00:00 UT   06 43 34.1   +33 28 46     2.597    3.565  167.9    3.3   215   28.7 
2025-12-26 00:00 UT   06 42 20.0   +33 29 39     2.597    3.567  168.5    3.1   210   28.6 
2025-12-27 00:00 UT   06 41 05.7   +33 30 25     2.598    3.568  169.0    3.0   203   28.6 
2025-12-28 00:00 UT   06 39 51.3   +33 31 05     2.598    3.569  169.4    2.9   197   28.6 
2025-12-29 00:00 UT   06 38 36.8   +33 31 37     2.599    3.571  169.6    2.9   190   28.6 
2025-12-30 00:00 UT   06 37 22.3   +33 32 02     2.600    3.572  169.6    2.8   182   28.6 
2025-12-31 00:00 UT   06 36 07.9   +33 32 20     2.602    3.573  169.5    2.9   175   28.6 
2026-01-01 00:00 UT   06 34 53.6   +33 32 31     2.604    3.575  169.3    2.9   168   28.6 
2026-01-02 00:00 UT   06 33 39.5   +33 32 35     2.606    3.576  168.9    3.0   162   28.7 
2026-01-03 00:00 UT   06 32 25.7   +33 32 32     2.609    3.577  168.4    3.2   155   28.7 
2026-01-04 00:00 UT   06 31 12.2   +33 32 22     2.612    3.579  167.8    3.3   150   28.7 
2026-01-05 00:00 UT   06 29 59.0   +33 32 04     2.615    3.580  167.1    3.5   145   28.7 
2026-01-06 00:00 UT   06 28 46.3   +33 31 40     2.618    3.581  166.3    3.7   141   28.7 
2026-01-07 00:00 UT   06 27 34.1   +33 31 09     2.622    3.582  165.4    4.0   137   28.7 
2026-01-08 00:00 UT   06 26 22.4   +33 30 31     2.626    3.584  164.5    4.2   133   28.7 
2026-01-09 00:00 UT   06 25 11.4   +33 29 47     2.631    3.585  163.5    4.5   130   28.8 
2026-01-10 00:00 UT   06 24 01.0   +33 28 56     2.636    3.586  162.5    4.7   127   28.8 
2026-01-11 00:00 UT   06 22 51.4   +33 27 58     2.641    3.587  161.5    5.0   125   28.8 
2026-01-12 00:00 UT   06 21 42.5   +33 26 54     2.646    3.588  160.5    5.3   122   28.8 
2026-01-13 00:00 UT   06 20 34.5   +33 25 44     2.652    3.589  159.4    5.5   120   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.