(193) Ambrosia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	14 Dec 2025	14.6	2.349 AU	2.364 AU	12h20m	-00°12'	77.1°	24.1°
Opposition	25 Mar 2026	13.3	2.678 AU	1.684 AU	12h09m	-06°28'	174.9°	1.9°

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 Ambrosia are:

            e (Eccentricity)                : 0.2984223
            a (Semimajor axis)              : 2.5985614
            i (Inclination)                 : 11.99658
            Ω (Longitude of ascending node) : 349.46615
            ω (Argument of perihelion)      : 82.52561
            M (Mean anomaly)                : 49.60888
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 71.82682
            B (Latitude of perihelion)      : 11.89315
            P (Orbital period in years)     : 4.19            
        

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   12 20 33.9   +00 12 39     2.364    2.349   77.1   24.1   294   14.6 
2025-12-14 21:07 UT   12 21 28.3   +00 21 11     2.355    2.352   77.7   24.1   294   14.6 
2025-12-15 00:00 UT   12 21 35.7   +00 22 21     2.354    2.352   77.8   24.1   294   14.6 
2025-12-16 00:00 UT   12 22 36.5   +00 31 57     2.345    2.355   78.5   24.2   294   14.6 
2025-12-17 00:00 UT   12 23 36.4   +00 41 28     2.335    2.359   79.2   24.2   294   14.6 
2025-12-18 00:00 UT   12 24 35.2   +00 50 54     2.325    2.362   80.0   24.2   294   14.6 
2025-12-19 00:00 UT   12 25 33.0   -01 00 15     2.316    2.365   80.7   24.2   294   14.6 
2025-12-20 00:00 UT   12 26 29.7   -01 09 30     2.306    2.369   81.4   24.3   294   14.6 
2025-12-21 00:00 UT   12 27 25.4   -01 18 40     2.296    2.372   82.2   24.3   293   14.6 
2025-12-22 00:00 UT   12 28 20.0   -01 27 44     2.286    2.375   82.9   24.3   293   14.6 
2025-12-23 00:00 UT   12 29 13.5   -01 36 43     2.277    2.379   83.7   24.3   293   14.6 
2025-12-24 00:00 UT   12 30 06.0   -01 45 36     2.267    2.382   84.5   24.3   293   14.6 
2025-12-25 00:00 UT   12 30 57.3   -01 54 23     2.257    2.385   85.2   24.3   293   14.6 
2025-12-26 00:00 UT   12 31 47.4   -02 03 05     2.247    2.389   86.0   24.3   293   14.6 
2025-12-27 00:00 UT   12 32 36.4   -02 11 41     2.237    2.392   86.8   24.2   293   14.6 
2025-12-28 00:00 UT   12 33 24.3   -02 20 11     2.227    2.395   87.5   24.2   293   14.6 
2025-12-29 00:00 UT   12 34 10.9   -02 28 34     2.217    2.399   88.3   24.2   293   14.5 
2025-12-30 00:00 UT   12 34 56.4   -02 36 52     2.207    2.402   89.1   24.2   293   14.5 
2025-12-31 00:00 UT   12 35 40.6   -02 45 04     2.197    2.405   89.9   24.1   293   14.5 
2026-01-01 00:00 UT   12 36 23.6   -02 53 10     2.187    2.409   90.7   24.1   293   14.5 
2026-01-02 00:00 UT   12 37 05.4   -03 01 10     2.177    2.412   91.5   24.0   293   14.5 
2026-01-03 00:00 UT   12 37 45.9   -03 09 03     2.167    2.415   92.3   24.0   293   14.5 
2026-01-04 00:00 UT   12 38 25.2   -03 16 50     2.156    2.419   93.2   23.9   293   14.5 
2026-01-05 00:00 UT   12 39 03.1   -03 24 31     2.146    2.422   94.0   23.9   293   14.5 
2026-01-06 00:00 UT   12 39 39.8   -03 32 06     2.136    2.425   94.8   23.8   293   14.5 
2026-01-07 00:00 UT   12 40 15.1   -03 39 34     2.126    2.429   95.6   23.8   293   14.5 
2026-01-08 00:00 UT   12 40 49.0   -03 46 55     2.116    2.432   96.5   23.7   293   14.5 
2026-01-09 00:00 UT   12 41 21.6   -03 54 09     2.106    2.435   97.3   23.6   293   14.5 
2026-01-10 00:00 UT   12 41 52.8   -04 01 17     2.096    2.439   98.2   23.5   293   14.4 
2026-01-11 00:00 UT   12 42 22.5   -04 08 18     2.086    2.442   99.0   23.4   293   14.4 
2026-01-12 00:00 UT   12 42 50.9   -04 15 12     2.076    2.445   99.9   23.3   293   14.4 
2026-01-13 00:00 UT   12 43 17.8   -04 21 59     2.066    2.449  100.8   23.2   293   14.4 

    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.