(129) Antigone
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	30 Oct 2026	12.0	3.365 AU	2.404 AU	02h41m	-02°19'	162.9°	5.0°
Today	10 Nov 2026	12.1	3.376 AU	2.433 AU	02h32m	-02°56'	159.1°	6.0°

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 Antigone are:

            e (Eccentricity)                : 0.2131575
            a (Semimajor axis)              : 2.8677886
            i (Inclination)                 : 12.27021
            Ω (Longitude of ascending node) : 135.65523
            ω (Argument of perihelion)      : 110.47772
            M (Mean anomaly)                : 108.26566
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 66.57068
            B (Latitude of perihelion)      : 11.48391
            P (Orbital period in years)     : 4.86            
        

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
2026-11-10 00:00 UT   02 32 55.1   -02 56 02     2.433    3.376  159.1    6.0    18   12.1 
2026-11-10 11:38 UT   02 32 32.5   -02 57 21     2.435    3.377  158.7    6.1    19   12.1 
2026-11-11 00:00 UT   02 32 08.5   -02 58 42     2.437    3.377  158.4    6.2    20   12.1 
2026-11-12 00:00 UT   02 31 22.3   -03 01 13     2.442    3.378  157.6    6.4    23   12.1 
2026-11-13 00:00 UT   02 30 36.5   -03 03 35     2.447    3.379  156.9    6.6    25   12.1 
2026-11-14 00:00 UT   02 29 51.2   -03 05 46     2.452    3.380  156.1    6.8    27   12.1 
2026-11-15 00:00 UT   02 29 06.4   -03 07 49     2.458    3.381  155.2    7.0    30   12.1 
2026-11-16 00:00 UT   02 28 22.1   -03 09 41     2.463    3.382  154.4    7.3    31   12.1 
2026-11-17 00:00 UT   02 27 38.5   -03 11 24     2.470    3.383  153.5    7.5    33   12.2 
2026-11-18 00:00 UT   02 26 55.4   -03 12 56     2.476    3.384  152.6    7.7    35   12.2 
2026-11-19 00:00 UT   02 26 13.0   -03 14 19     2.483    3.385  151.7    8.0    37   12.2 
2026-11-20 00:00 UT   02 25 31.4   -03 15 32     2.489    3.386  150.7    8.2    38   12.2 
2026-11-21 00:00 UT   02 24 50.4   -03 16 36     2.497    3.387  149.8    8.4    39   12.2 
2026-11-22 00:00 UT   02 24 10.2   -03 17 29     2.504    3.388  148.8    8.7    41   12.2 
2026-11-23 00:00 UT   02 23 30.8   -03 18 12     2.512    3.389  147.9    8.9    42   12.3 
2026-11-24 00:00 UT   02 22 52.3   -03 18 46     2.520    3.390  146.9    9.1    43   12.3 
2026-11-25 00:00 UT   02 22 14.5   -03 19 09     2.528    3.391  145.9    9.4    44   12.3 
2026-11-26 00:00 UT   02 21 37.7   -03 19 23     2.536    3.392  144.9    9.6    45   12.3 
2026-11-27 00:00 UT   02 21 01.7   -03 19 27     2.545    3.393  144.0    9.9    46   12.3 
2026-11-28 00:00 UT   02 20 26.7   -03 19 21     2.554    3.394  143.0   10.1    47   12.3 
2026-11-29 00:00 UT   02 19 52.6   -03 19 06     2.563    3.395  142.0   10.3    48   12.4 
2026-11-30 00:00 UT   02 19 19.4   -03 18 40     2.572    3.396  141.0   10.5    49   12.4 
2026-12-01 00:00 UT   02 18 47.3   -03 18 06     2.582    3.397  139.9   10.8    50   12.4 
2026-12-02 00:00 UT   02 18 16.1   -03 17 21     2.592    3.398  138.9   11.0    51   12.4 
2026-12-03 00:00 UT   02 17 46.0   -03 16 27     2.602    3.398  137.9   11.2    51   12.4 
2026-12-04 00:00 UT   02 17 17.0   -03 15 24     2.612    3.399  136.9   11.4    52   12.5 
2026-12-05 00:00 UT   02 16 49.0   -03 14 11     2.622    3.400  135.9   11.6    53   12.5 
2026-12-06 00:00 UT   02 16 22.1   -03 12 49     2.633    3.401  134.9   11.8    53   12.5 
2026-12-07 00:00 UT   02 15 56.3   -03 11 18     2.644    3.402  133.9   12.0    54   12.5 
2026-12-08 00:00 UT   02 15 31.6   -03 09 38     2.655    3.403  132.9   12.2    55   12.5 
2026-12-09 00:00 UT   02 15 08.1   -03 07 48     2.666    3.404  131.9   12.4    55   12.5 
2026-12-10 00:00 UT   02 14 45.6   -03 05 50     2.678    3.405  130.9   12.6    56   12.6 

    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.