(704) Interamnia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	1 May 2026	11.5	3.469 AU	2.509 AU	14h02m	-34°52'	159.0°	6.0°
Today	18 May 2026	11.6	3.457 AU	2.529 AU	13h50m	-33°00'	152.5°	7.8°

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 Interamnia are:

            e (Eccentricity)                : 0.1552478
            a (Semimajor axis)              : 3.0562188
            i (Inclination)                 : 17.31546
            Ω (Longitude of ascending node) : 280.16607
            ω (Argument of perihelion)      : 94.10697
            M (Mean anomaly)                : 184.20540
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 194.46729
            B (Latitude of perihelion)      : 17.26960
            P (Orbital period in years)     : 5.34            
        

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
2026-05-18 00:00 UT   13 50 12.4   -33 00 11     2.529    3.457  152.5    7.8    67   11.6 
2026-05-18 04:52 UT   13 50 04.4   -32 58 39     2.529    3.457  152.3    7.8    68   11.6 
2026-05-19 00:00 UT   13 49 33.4   -32 52 34     2.532    3.457  151.7    8.0    69   11.6 
2026-05-20 00:00 UT   13 48 55.5   -32 44 53     2.536    3.456  151.0    8.2    71   11.6 
2026-05-21 00:00 UT   13 48 18.7   -32 37 10     2.540    3.455  150.2    8.4    73   11.6 
2026-05-22 00:00 UT   13 47 42.9   -32 29 24     2.544    3.454  149.4    8.6    74   11.6 
2026-05-23 00:00 UT   13 47 08.3   -32 21 36     2.549    3.454  148.6    8.8    76   11.7 
2026-05-24 00:00 UT   13 46 34.7   -32 13 46     2.554    3.453  147.8    9.0    77   11.7 
2026-05-25 00:00 UT   13 46 02.4   -32 05 55     2.559    3.452  146.9    9.2    79   11.7 
2026-05-26 00:00 UT   13 45 31.2   -31 58 03     2.564    3.451  146.1    9.4    80   11.7 
2026-05-27 00:00 UT   13 45 01.3   -31 50 11     2.570    3.451  145.2    9.6    81   11.7 
2026-05-28 00:00 UT   13 44 32.5   -31 42 18     2.575    3.450  144.4    9.8    83   11.7 
2026-05-29 00:00 UT   13 44 05.0   -31 34 26     2.581    3.449  143.5   10.1    84   11.7 
2026-05-30 00:00 UT   13 43 38.7   -31 26 33     2.588    3.448  142.6   10.3    85   11.8 
2026-05-31 00:00 UT   13 43 13.7   -31 18 42     2.594    3.448  141.7   10.5    86   11.8 
2026-06-01 00:00 UT   13 42 49.9   -31 10 52     2.601    3.447  140.8   10.7    87   11.8 
2026-06-02 00:00 UT   13 42 27.4   -31 03 03     2.608    3.446  140.0   10.9    88   11.8 
2026-06-03 00:00 UT   13 42 06.2   -30 55 16     2.615    3.445  139.1   11.1    89   11.8 
2026-06-04 00:00 UT   13 41 46.2   -30 47 32     2.622    3.445  138.1   11.3    90   11.8 
2026-06-05 00:00 UT   13 41 27.6   -30 39 49     2.629    3.444  137.2   11.5    91   11.8 
2026-06-06 00:00 UT   13 41 10.2   -30 32 09     2.637    3.443  136.3   11.7    92   11.8 
2026-06-07 00:00 UT   13 40 54.2   -30 24 32     2.645    3.442  135.4   11.9    92   11.9 
2026-06-08 00:00 UT   13 40 39.5   -30 16 59     2.653    3.441  134.5   12.1    93   11.9 
2026-06-09 00:00 UT   13 40 26.0   -30 09 29     2.661    3.441  133.6   12.3    94   11.9 
2026-06-10 00:00 UT   13 40 13.9   -30 02 02     2.670    3.440  132.7   12.5    95   11.9 
2026-06-11 00:00 UT   13 40 03.2   -29 54 40     2.679    3.439  131.8   12.7    95   11.9 
2026-06-12 00:00 UT   13 39 53.7   -29 47 22     2.687    3.438  130.8   12.9    96   11.9 
2026-06-13 00:00 UT   13 39 45.5   -29 40 08     2.696    3.437  129.9   13.1    97   11.9 
2026-06-14 00:00 UT   13 39 38.7   -29 32 59     2.706    3.437  129.0   13.3    97   12.0 
2026-06-15 00:00 UT   13 39 33.2   -29 25 55     2.715    3.436  128.1   13.5    98   12.0 
2026-06-16 00:00 UT   13 39 29.1   -29 18 56     2.724    3.435  127.2   13.6    98   12.0 
2026-06-17 00:00 UT   13 39 26.2   -29 12 03     2.734    3.434  126.3   13.8    99   12.0 

    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.