2007 RO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	10 Jul 2026	29.8	3.578 AU	4.583 AU	07h45m	+25°56'	7.7°	2.2°

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
2026-07-10 00:00 UT   07 45 22.8   +25 56 49     4.583    3.578    7.7    2.2    63   29.8 
2026-07-10 06:09 UT   07 45 41.6   +25 55 54     4.583    3.577    7.6    2.2    63   29.8 
2026-07-11 00:00 UT   07 46 36.3   +25 53 14     4.583    3.576    7.2    2.0    60   29.8 
2026-07-12 00:00 UT   07 47 49.8   +25 49 38     4.583    3.575    6.7    1.9    57   29.8 
2026-07-13 00:00 UT   07 49 03.4   +25 46 00     4.583    3.574    6.2    1.8    53   29.8 
2026-07-14 00:00 UT   07 50 16.9   +25 42 21     4.582    3.573    5.8    1.6    48   29.8 
2026-07-15 00:00 UT   07 51 30.5   +25 38 40     4.582    3.571    5.4    1.5    42   29.8 
2026-07-16 00:00 UT   07 52 44.1   +25 34 58     4.581    3.570    5.1    1.4    36   29.8 
2026-07-17 00:00 UT   07 53 57.6   +25 31 14     4.580    3.568    4.8    1.4    29   29.8 
2026-07-18 00:00 UT   07 55 11.2   +25 27 29     4.579    3.567    4.6    1.3    21   29.7 
2026-07-19 00:00 UT   07 56 24.7   +25 23 42     4.578    3.566    4.6    1.3    13   29.7 
2026-07-20 00:00 UT   07 57 38.3   +25 19 54     4.576    3.564    4.6    1.3     5   29.7 
2026-07-21 00:00 UT   07 58 51.8   +25 16 04     4.575    3.563    4.7    1.3   357   29.7 
2026-07-22 00:00 UT   08 00 05.2   +25 12 13     4.573    3.561    4.9    1.4   349   29.7 
2026-07-23 00:00 UT   08 01 18.7   +25 08 21     4.571    3.560    5.2    1.5   342   29.8 
2026-07-24 00:00 UT   08 02 32.1   +25 04 27     4.568    3.558    5.5    1.6   336   29.8 
2026-07-25 00:00 UT   08 03 45.4   +25 00 32     4.566    3.557    5.9    1.7   331   29.8 
2026-07-26 00:00 UT   08 04 58.8   +24 56 36     4.563    3.555    6.4    1.8   327   29.8 
2026-07-27 00:00 UT   08 06 12.0   +24 52 38     4.560    3.554    6.9    2.0   323   29.8 
2026-07-28 00:00 UT   08 07 25.2   +24 48 39     4.557    3.552    7.4    2.1   319   29.8 
2026-07-29 00:00 UT   08 08 38.4   +24 44 38     4.554    3.551    7.9    2.3   317   29.8 
2026-07-30 00:00 UT   08 09 51.5   +24 40 36     4.550    3.549    8.5    2.4   314   29.8 
2026-07-31 00:00 UT   08 11 04.6   +24 36 33     4.547    3.548    9.1    2.6   312   29.8 
2026-08-01 00:00 UT   08 12 17.5   +24 32 29     4.543    3.546    9.6    2.7   310   29.8 
2026-08-02 00:00 UT   08 13 30.4   +24 28 24     4.539    3.545   10.2    2.9   308   29.8 
2026-08-03 00:00 UT   08 14 43.3   +24 24 17     4.535    3.543   10.8    3.1   307   29.8 
2026-08-04 00:00 UT   08 15 56.0   +24 20 09     4.530    3.541   11.5    3.3   305   29.8 
2026-08-05 00:00 UT   08 17 08.7   +24 15 59     4.525    3.540   12.1    3.4   304   29.9 
2026-08-06 00:00 UT   08 18 21.3   +24 11 49     4.521    3.538   12.7    3.6   303   29.9 
2026-08-07 00:00 UT   08 19 33.8   +24 07 37     4.516    3.536   13.3    3.8   302   29.9 
2026-08-08 00:00 UT   08 20 46.2   +24 03 24     4.510    3.535   14.0    4.0   301   29.9 

    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.