2007 RO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	18 Sep 2026	30.0	3.457 AU	4.141 AU	09h07m	+20°59'	41.7°	11.2°

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)                : 0.6043175
            a (Semimajor axis)              : 2.2676229
            i (Inclination)                 : 8.58601
            Ω (Longitude of ascending node) : 338.92163
            ω (Argument of perihelion)      : 307.73674
            M (Mean anomaly)                : 197.88067
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 286.97136
            B (Latitude of perihelion)      : -6.78052
            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
2026-09-18 00:00 UT   09 07 54.2   +20 59 44     4.141    3.457   41.7   11.2   292   30.0 
2026-09-18 16:55 UT   09 08 39.4   +20 56 32     4.132    3.455   42.2   11.3   292   30.0 
2026-09-19 00:00 UT   09 08 58.2   +20 55 12     4.129    3.454   42.4   11.3   292   30.0 
2026-09-20 00:00 UT   09 10 02.0   +20 50 40     4.116    3.452   43.2   11.5   292   30.0 
2026-09-21 00:00 UT   09 11 05.4   +20 46 09     4.103    3.450   43.9   11.6   292   30.0 
2026-09-22 00:00 UT   09 12 08.5   +20 41 39     4.090    3.447   44.6   11.8   292   30.0 
2026-09-23 00:00 UT   09 13 11.3   +20 37 09     4.076    3.445   45.3   11.9   292   30.0 
2026-09-24 00:00 UT   09 14 13.7   +20 32 39     4.063    3.443   46.0   12.1   292   30.0 
2026-09-25 00:00 UT   09 15 15.8   +20 28 10     4.049    3.440   46.7   12.3   292   30.0 
2026-09-26 00:00 UT   09 16 17.6   +20 23 42     4.036    3.438   47.5   12.4   292   30.0 
2026-09-27 00:00 UT   09 17 19.0   +20 19 15     4.022    3.436   48.2   12.6   291   29.9 
2026-09-28 00:00 UT   09 18 20.0   +20 14 48     4.008    3.433   48.9   12.7   291   29.9 
2026-09-29 00:00 UT   09 19 20.7   +20 10 23     3.994    3.431   49.6   12.9   291   29.9 
2026-09-30 00:00 UT   09 20 21.0   +20 05 58     3.980    3.429   50.4   13.0   291   29.9 
2026-10-01 00:00 UT   09 21 21.0   +20 01 34     3.965    3.426   51.1   13.1   291   29.9 
2026-10-02 00:00 UT   09 22 20.5   +19 57 12     3.951    3.424   51.8   13.3   291   29.9 
2026-10-03 00:00 UT   09 23 19.7   +19 52 50     3.936    3.421   52.6   13.4   291   29.9 
2026-10-04 00:00 UT   09 24 18.4   +19 48 29     3.921    3.419   53.3   13.6   291   29.9 
2026-10-05 00:00 UT   09 25 16.8   +19 44 10     3.906    3.416   54.1   13.7   291   29.9 
2026-10-06 00:00 UT   09 26 14.8   +19 39 52     3.891    3.414   54.8   13.8   291   29.9 
2026-10-07 00:00 UT   09 27 12.3   +19 35 36     3.876    3.411   55.5   14.0   291   29.9 
2026-10-08 00:00 UT   09 28 09.4   +19 31 21     3.860    3.409   56.3   14.1   291   29.9 
2026-10-09 00:00 UT   09 29 06.0   +19 27 07     3.845    3.406   57.0   14.2   291   29.9 
2026-10-10 00:00 UT   09 30 02.2   +19 22 55     3.829    3.404   57.8   14.4   291   29.9 
2026-10-11 00:00 UT   09 30 57.9   +19 18 45     3.814    3.401   58.5   14.5   291   29.9 
2026-10-12 00:00 UT   09 31 53.2   +19 14 37     3.798    3.398   59.3   14.6   291   29.9 
2026-10-13 00:00 UT   09 32 47.9   +19 10 30     3.782    3.396   60.1   14.8   291   29.9 
2026-10-14 00:00 UT   09 33 42.2   +19 06 25     3.766    3.393   60.8   14.9   291   29.9 
2026-10-15 00:00 UT   09 34 36.0   +19 02 22     3.750    3.390   61.6   15.0   291   29.9 
2026-10-16 00:00 UT   09 35 29.3   +18 58 22     3.733    3.388   62.4   15.1   291   29.8 
2026-10-17 00:00 UT   09 36 22.0   +18 54 23     3.717    3.385   63.1   15.2   291   29.8 
2026-10-18 00:00 UT   09 37 14.3   +18 50 26     3.700    3.382   63.9   15.3   291   29.8 

    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.