(485) Genua
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	11 Dec 2025	14.1	3.174 AU	4.140 AU	17h02m	-13°22'	9.8°	3.0°
Opposition	10 Jul 2026	13.1	3.272 AU	2.297 AU	19h07m	-02°29'	160.1°	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 Genua are:

            e (Eccentricity)                : 0.1893630
            a (Semimajor axis)              : 2.7513864
            i (Inclination)                 : 13.86530
            Ω (Longitude of ascending node) : 193.37616
            ω (Argument of perihelion)      : 272.02412
            M (Mean anomaly)                : 133.53949
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 105.46098
            B (Latitude of perihelion)      : -13.85648
            P (Orbital period in years)     : 4.56            
        

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
2025-12-11 00:00 UT   17 02 21.4   -13 22 50     4.140    3.174    9.8    3.0   348   14.1 
2025-12-11 20:20 UT   17 03 37.1   -13 23 49     4.140    3.175   10.0    3.1   345   14.1 
2025-12-12 00:00 UT   17 03 50.7   -13 23 59     4.140    3.175   10.1    3.1   344   14.1 
2025-12-13 00:00 UT   17 05 20.1   -13 25 03     4.140    3.176   10.3    3.2   341   14.2 
2025-12-14 00:00 UT   17 06 49.4   -13 26 04     4.139    3.177   10.6    3.3   337   14.2 
2025-12-15 00:00 UT   17 08 18.6   -13 26 59     4.139    3.178   11.0    3.4   334   14.2 
2025-12-16 00:00 UT   17 09 47.9   -13 27 51     4.138    3.179   11.3    3.5   331   14.2 
2025-12-17 00:00 UT   17 11 17.1   -13 28 37     4.137    3.180   11.7    3.6   328   14.2 
2025-12-18 00:00 UT   17 12 46.2   -13 29 20     4.136    3.181   12.1    3.7   326   14.2 
2025-12-19 00:00 UT   17 14 15.2   -13 29 57     4.135    3.182   12.5    3.9   323   14.2 
2025-12-20 00:00 UT   17 15 44.2   -13 30 30     4.134    3.183   13.0    4.0   321   14.2 
2025-12-21 00:00 UT   17 17 13.2   -13 30 59     4.132    3.184   13.5    4.1   319   14.2 
2025-12-22 00:00 UT   17 18 42.0   -13 31 23     4.131    3.185   13.9    4.3   317   14.2 
2025-12-23 00:00 UT   17 20 10.7   -13 31 43     4.129    3.186   14.4    4.4   315   14.2 
2025-12-24 00:00 UT   17 21 39.4   -13 31 57     4.127    3.187   14.9    4.6   313   14.2 
2025-12-25 00:00 UT   17 23 07.9   -13 32 08     4.125    3.187   15.5    4.7   311   14.2 
2025-12-26 00:00 UT   17 24 36.3   -13 32 14     4.122    3.188   16.0    4.9   310   14.2 
2025-12-27 00:00 UT   17 26 04.6   -13 32 15     4.120    3.189   16.5    5.0   308   14.3 
2025-12-28 00:00 UT   17 27 32.8   -13 32 12     4.117    3.190   17.1    5.2   307   14.3 
2025-12-29 00:00 UT   17 29 00.9   -13 32 04     4.114    3.191   17.6    5.4   306   14.3 
2025-12-30 00:00 UT   17 30 28.8   -13 31 51     4.111    3.192   18.2    5.5   304   14.3 
2025-12-31 00:00 UT   17 31 56.6   -13 31 34     4.108    3.193   18.8    5.7   303   14.3 
2026-01-01 00:00 UT   17 33 24.2   -13 31 13     4.105    3.194   19.3    5.9   302   14.3 
2026-01-02 00:00 UT   17 34 51.7   -13 30 47     4.102    3.195   19.9    6.0   301   14.3 
2026-01-03 00:00 UT   17 36 19.0   -13 30 16     4.098    3.196   20.5    6.2   300   14.3 

    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.