(134) Sophrosyne
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	8 Oct 2025	11.9	2.375 AU	1.384 AU	00h42m	+15°26'	170.0°	4.2°
Today	16 Nov 2025	12.7	2.338 AU	1.538 AU	00h13m	+14°09'	134.2°	17.7°

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 Sophrosyne are:

            e (Eccentricity)                : 0.1151201
            a (Semimajor axis)              : 2.5629153
            i (Inclination)                 : 11.61241
            Ω (Longitude of ascending node) : 345.83618
            ω (Argument of perihelion)      : 85.80152
            M (Mean anomaly)                : 325.20987
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 71.55029
            B (Latitude of perihelion)      : 11.58082
            P (Orbital period in years)     : 4.10            
        

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
2025-11-16 00:00 UT   00 13 51.6   +14 09 09     1.538    2.338  134.2   17.7    78   12.7 
2025-11-16 06:51 UT   00 13 47.9   +14 08 48     1.541    2.337  133.9   17.8    77   12.7 
2025-11-17 00:00 UT   00 13 39.5   +14 07 56     1.546    2.337  133.2   18.0    77   12.7 
2025-11-18 00:00 UT   00 13 29.4   +14 06 49     1.555    2.336  132.1   18.3    77   12.7 
2025-11-19 00:00 UT   00 13 21.2   +14 05 48     1.563    2.335  131.1   18.6    76   12.7 
2025-11-20 00:00 UT   00 13 15.0   +14 04 55     1.572    2.334  130.1   18.9    76   12.8 
2025-11-21 00:00 UT   00 13 10.7   +14 04 10     1.580    2.333  129.1   19.2    76   12.8 
2025-11-22 00:00 UT   00 13 08.4   +14 03 32     1.589    2.333  128.1   19.5    75   12.8 
2025-11-23 00:00 UT   00 13 08.0   +14 03 01     1.598    2.332  127.2   19.7    75   12.8 
2025-11-24 00:00 UT   00 13 09.5   +14 02 39     1.607    2.331  126.2   20.0    75   12.8 
2025-11-25 00:00 UT   00 13 12.9   +14 02 24     1.617    2.330  125.2   20.2    74   12.9 
2025-11-26 00:00 UT   00 13 18.2   +14 02 17     1.626    2.329  124.3   20.5    74   12.9 
2025-11-27 00:00 UT   00 13 25.4   +14 02 19     1.635    2.328  123.3   20.7    74   12.9 
2025-11-28 00:00 UT   00 13 34.4   +14 02 29     1.645    2.328  122.4   21.0    74   12.9 
2025-11-29 00:00 UT   00 13 45.3   +14 02 47     1.655    2.327  121.4   21.2    73   12.9 
2025-11-30 00:00 UT   00 13 58.1   +14 03 14     1.665    2.326  120.5   21.4    73   13.0 
2025-12-01 00:00 UT   00 14 12.6   +14 03 49     1.675    2.325  119.6   21.6    73   13.0 
2025-12-02 00:00 UT   00 14 29.0   +14 04 32     1.685    2.324  118.6   21.9    72   13.0 
2025-12-03 00:00 UT   00 14 47.1   +14 05 24     1.695    2.324  117.7   22.1    72   13.0 
2025-12-04 00:00 UT   00 15 06.9   +14 06 25     1.705    2.323  116.8   22.3    72   13.0 
2025-12-05 00:00 UT   00 15 28.5   +14 07 33     1.715    2.322  115.9   22.4    72   13.0 
2025-12-06 00:00 UT   00 15 51.8   +14 08 51     1.726    2.321  115.0   22.6    72   13.1 
2025-12-07 00:00 UT   00 16 16.8   +14 10 16     1.736    2.320  114.1   22.8    71   13.1 
2025-12-08 00:00 UT   00 16 43.5   +14 11 50     1.747    2.320  113.3   23.0    71   13.1 
2025-12-09 00:00 UT   00 17 11.8   +14 13 33     1.757    2.319  112.4   23.1    71   13.1 
2025-12-10 00:00 UT   00 17 41.7   +14 15 24     1.768    2.318  111.5   23.3    71   13.1 
2025-12-11 00:00 UT   00 18 13.2   +14 17 23     1.779    2.317  110.7   23.4    70   13.2 
2025-12-12 00:00 UT   00 18 46.4   +14 19 31     1.790    2.317  109.8   23.6    70   13.2 
2025-12-13 00:00 UT   00 19 21.1   +14 21 47     1.801    2.316  109.0   23.7    70   13.2 
2025-12-14 00:00 UT   00 19 57.3   +14 24 11     1.812    2.315  108.1   23.8    70   13.2 
2025-12-15 00:00 UT   00 20 35.1   +14 26 44     1.823    2.314  107.3   24.0    70   13.2 
2025-12-16 00:00 UT   00 21 14.4   +14 29 25     1.834    2.314  106.4   24.1    70   13.2 

    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.