(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	1 Aug 2026	12.5	3.036 AU	2.062 AU	19h58m	-35°15'	160.2°	6.5°

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
2026-08-01 00:00 UT   19 58 18.1   -35 15 36     2.062    3.036  160.2    6.5    33   12.5 
2026-08-01 07:59 UT   19 57 58.5   -35 15 25     2.063    3.037  159.9    6.6    34   12.5 
2026-08-02 00:00 UT   19 57 19.2   -35 15 01     2.066    3.037  159.4    6.7    36   12.5 
2026-08-03 00:00 UT   19 56 21.0   -35 14 17     2.071    3.039  158.6    7.0    38   12.5 
2026-08-04 00:00 UT   19 55 23.6   -35 13 23     2.077    3.040  157.8    7.3    40   12.6 
2026-08-05 00:00 UT   19 54 27.1   -35 12 20     2.082    3.042  156.9    7.5    43   12.6 
2026-08-06 00:00 UT   19 53 31.5   -35 11 08     2.088    3.043  156.1    7.8    44   12.6 
2026-08-07 00:00 UT   19 52 36.8   -35 09 47     2.094    3.044  155.2    8.0    46   12.6 
2026-08-08 00:00 UT   19 51 43.2   -35 08 17     2.100    3.046  154.2    8.3    48   12.6 
2026-08-09 00:00 UT   19 50 50.6   -35 06 39     2.107    3.047  153.3    8.6    50   12.7 
2026-08-10 00:00 UT   19 49 59.1   -35 04 51     2.113    3.048  152.4    8.9    51   12.7 
2026-08-11 00:00 UT   19 49 08.8   -35 02 55     2.121    3.050  151.5    9.1    52   12.7 
2026-08-12 00:00 UT   19 48 19.7   -35 00 51     2.128    3.051  150.5    9.4    54   12.7 
2026-08-13 00:00 UT   19 47 31.9   -34 58 39     2.135    3.052  149.5    9.7    55   12.7 
2026-08-14 00:00 UT   19 46 45.3   -34 56 18     2.143    3.054  148.6   10.0    56   12.8 
2026-08-15 00:00 UT   19 46 00.1   -34 53 50     2.151    3.055  147.6   10.2    57   12.8 
2026-08-16 00:00 UT   19 45 16.3   -34 51 14     2.159    3.056  146.6   10.5    58   12.8 
2026-08-17 00:00 UT   19 44 33.8   -34 48 31     2.168    3.058  145.7   10.8    59   12.8 
2026-08-18 00:00 UT   19 43 52.8   -34 45 41     2.176    3.059  144.7   11.0    60   12.8 
2026-08-19 00:00 UT   19 43 13.2   -34 42 43     2.185    3.060  143.7   11.3    61   12.9 
2026-08-20 00:00 UT   19 42 35.1   -34 39 39     2.194    3.061  142.7   11.5    62   12.9 
2026-08-21 00:00 UT   19 41 58.6   -34 36 28     2.204    3.063  141.7   11.8    63   12.9 
2026-08-22 00:00 UT   19 41 23.5   -34 33 10     2.213    3.064  140.8   12.1    64   12.9 
2026-08-23 00:00 UT   19 40 50.0   -34 29 47     2.223    3.065  139.8   12.3    64   12.9 
2026-08-24 00:00 UT   19 40 18.0   -34 26 18     2.233    3.067  138.8   12.5    65   13.0 
2026-08-25 00:00 UT   19 39 47.6   -34 22 42     2.243    3.068  137.8   12.8    66   13.0 
2026-08-26 00:00 UT   19 39 18.8   -34 19 01     2.253    3.069  136.8   13.0    66   13.0 
2026-08-27 00:00 UT   19 38 51.6   -34 15 15     2.264    3.070  135.9   13.2    67   13.0 
2026-08-28 00:00 UT   19 38 26.0   -34 11 24     2.274    3.072  134.9   13.5    67   13.0 
2026-08-29 00:00 UT   19 38 02.0   -34 07 28     2.285    3.073  133.9   13.7    68   13.0 
2026-08-30 00:00 UT   19 37 39.6   -34 03 27     2.296    3.074  133.0   13.9    69   13.1 
2026-08-31 00:00 UT   19 37 18.8   -33 59 21     2.307    3.076  132.0   14.1    69   13.1 

    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.