(139) Juewa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	19 Jul 2026	12.4	3.019 AU	2.025 AU	20h11m	-35°09'	165.2°	4.9°
Today	31 Aug 2026	13.1	3.076 AU	2.307 AU	19h37m	-33°59'	132.0°	14.1°

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 Juewa are:

            e (Eccentricity)                : 0.1703251
            a (Semimajor axis)              : 2.7860301
            i (Inclination)                 : 10.87118
            Ω (Longitude of ascending node) : 1.66007
            ω (Argument of perihelion)      : 167.36966
            M (Mean anomaly)                : 102.27210
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : -10.75069
            B (Latitude of perihelion)      : 2.36353
            P (Orbital period in years)     : 4.65            
        

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
2026-08-31 00:00 UT   19 37 18.8   -33 59 21     2.307    3.076  132.0   14.1    69   13.1 
2026-08-31 07:42 UT   19 37 12.4   -33 58 02     2.311    3.076  131.7   14.2    69   13.1 
2026-09-01 00:00 UT   19 36 59.6   -33 55 12     2.319    3.077  131.0   14.3    70   13.1 
2026-09-02 00:00 UT   19 36 42.0   -33 50 57     2.330    3.078  130.1   14.5    70   13.1 
2026-09-03 00:00 UT   19 36 26.0   -33 46 39     2.342    3.079  129.1   14.7    70   13.1 
2026-09-04 00:00 UT   19 36 11.7   -33 42 17     2.354    3.081  128.1   14.9    71   13.2 
2026-09-05 00:00 UT   19 35 59.0   -33 37 51     2.366    3.082  127.2   15.1    71   13.2 
2026-09-06 00:00 UT   19 35 47.9   -33 33 22     2.378    3.083  126.2   15.3    72   13.2 
2026-09-07 00:00 UT   19 35 38.4   -33 28 49     2.390    3.084  125.3   15.5    72   13.2 
2026-09-08 00:00 UT   19 35 30.5   -33 24 13     2.403    3.085  124.4   15.6    72   13.2 
2026-09-09 00:00 UT   19 35 24.2   -33 19 34     2.415    3.087  123.4   15.8    73   13.3 
2026-09-10 00:00 UT   19 35 19.6   -33 14 51     2.428    3.088  122.5   16.0    73   13.3 
2026-09-11 00:00 UT   19 35 16.5   -33 10 06     2.441    3.089  121.5   16.1    73   13.3 
2026-09-12 00:00 UT   19 35 15.0   -33 05 18     2.454    3.090  120.6   16.3    74   13.3 
2026-09-13 00:00 UT   19 35 15.1   -33 00 27     2.467    3.092  119.7   16.4    74   13.3 
2026-09-14 00:00 UT   19 35 16.7   -32 55 34     2.480    3.093  118.8   16.6    74   13.3 
2026-09-15 00:00 UT   19 35 19.9   -32 50 38     2.494    3.094  117.8   16.7    75   13.4 
2026-09-16 00:00 UT   19 35 24.7   -32 45 40     2.507    3.095  116.9   16.8    75   13.4 
2026-09-17 00:00 UT   19 35 31.0   -32 40 40     2.521    3.096  116.0   17.0    75   13.4 
2026-09-18 00:00 UT   19 35 38.7   -32 35 38     2.534    3.098  115.1   17.1    75   13.4 
2026-09-19 00:00 UT   19 35 48.0   -32 30 34     2.548    3.099  114.2   17.2    76   13.4 
2026-09-20 00:00 UT   19 35 58.8   -32 25 28     2.562    3.100  113.3   17.3    76   13.4 
2026-09-21 00:00 UT   19 36 11.0   -32 20 20     2.576    3.101  112.4   17.4    76   13.5 
2026-09-22 00:00 UT   19 36 24.6   -32 15 10     2.590    3.102  111.5   17.5    76   13.5 
2026-09-23 00:00 UT   19 36 39.7   -32 09 58     2.604    3.104  110.6   17.6    76   13.5 
2026-09-24 00:00 UT   19 36 56.2   -32 04 45     2.618    3.105  109.8   17.7    77   13.5 
2026-09-25 00:00 UT   19 37 14.1   -31 59 31     2.633    3.106  108.9   17.8    77   13.5 
2026-09-26 00:00 UT   19 37 33.3   -31 54 15     2.647    3.107  108.0   17.9    77   13.5 
2026-09-27 00:00 UT   19 37 53.9   -31 48 57     2.662    3.108  107.1   18.0    77   13.6 
2026-09-28 00:00 UT   19 38 15.8   -31 43 38     2.676    3.109  106.3   18.0    77   13.6 
2026-09-29 00:00 UT   19 38 39.1   -31 38 18     2.691    3.110  105.4   18.1    78   13.6 
2026-09-30 00:00 UT   19 39 03.6   -31 32 56     2.705    3.112  104.5   18.2    78   13.6 

    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.