(704) Interamnia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Jul 2026	12.5	3.398 AU	3.221 AU	13h54m	-26°06'	91.2°	17.4°
Opposition	13 Jul 2027	10.3	2.924 AU	1.910 AU	19h30m	-16°30'	174.6°	1.9°

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)                : 0.1550586
            a (Semimajor axis)              : 3.0568117
            i (Inclination)                 : 17.31528
            Ω (Longitude of ascending node) : 280.16722
            ω (Argument of perihelion)      : 94.06176
            M (Mean anomaly)                : 221.14483
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 194.42110
            B (Latitude of perihelion)      : 17.27042
            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
2026-07-28 00:00 UT   13 54 26.8   -26 06 11     3.221    3.398   91.2   17.4   111   12.5 
2026-07-28 22:48 UT   13 55 08.0   -26 04 12     3.233    3.397   90.5   17.4   111   12.5 
2026-07-29 00:00 UT   13 55 10.2   -26 04 06     3.234    3.397   90.4   17.4   111   12.5 
2026-07-30 00:00 UT   13 55 54.5   -26 02 08     3.247    3.396   89.6   17.4   111   12.5 
2026-07-31 00:00 UT   13 56 39.6   -26 00 16     3.260    3.395   88.9   17.4   111   12.5 
2026-08-01 00:00 UT   13 57 25.6   -25 58 30     3.273    3.394   88.1   17.4   111   12.5 
2026-08-02 00:00 UT   13 58 12.3   -25 56 50     3.286    3.393   87.3   17.4   111   12.5 
2026-08-03 00:00 UT   13 58 59.9   -25 55 17     3.299    3.392   86.5   17.4   112   12.5 
2026-08-04 00:00 UT   13 59 48.3   -25 53 50     3.312    3.391   85.7   17.4   112   12.5 
2026-08-05 00:00 UT   14 00 37.4   -25 52 28     3.325    3.390   85.0   17.3   112   12.5 
2026-08-06 00:00 UT   14 01 27.4   -25 51 13     3.338    3.389   84.2   17.3   112   12.5 
2026-08-07 00:00 UT   14 02 18.1   -25 50 04     3.351    3.388   83.4   17.3   112   12.5 
2026-08-08 00:00 UT   14 03 09.6   -25 49 00     3.364    3.387   82.7   17.3   112   12.5 
2026-08-09 00:00 UT   14 04 01.9   -25 48 02     3.376    3.386   81.9   17.2   112   12.5 
2026-08-10 00:00 UT   14 04 54.9   -25 47 10     3.389    3.385   81.2   17.2   112   12.5 
2026-08-11 00:00 UT   14 05 48.7   -25 46 24     3.402    3.384   80.4   17.2   112   12.6 
2026-08-12 00:00 UT   14 06 43.2   -25 45 42     3.415    3.383   79.7   17.1   113   12.6 
2026-08-13 00:00 UT   14 07 38.4   -25 45 07     3.428    3.382   78.9   17.1   113   12.6 
2026-08-14 00:00 UT   14 08 34.3   -25 44 36     3.440    3.381   78.2   17.1   113   12.6 
2026-08-15 00:00 UT   14 09 31.0   -25 44 11     3.453    3.380   77.4   17.0   113   12.6 
2026-08-16 00:00 UT   14 10 28.3   -25 43 51     3.466    3.379   76.7   17.0   113   12.6 
2026-08-17 00:00 UT   14 11 26.3   -25 43 37     3.478    3.378   75.9   16.9   113   12.6 
2026-08-18 00:00 UT   14 12 25.0   -25 43 27     3.491    3.377   75.2   16.8   113   12.6 
2026-08-19 00:00 UT   14 13 24.4   -25 43 22     3.503    3.376   74.4   16.8   113   12.6 
2026-08-20 00:00 UT   14 14 24.4   -25 43 21     3.516    3.375   73.7   16.7   113   12.6 
2026-08-21 00:00 UT   14 15 25.1   -25 43 26     3.528    3.374   73.0   16.7   113   12.6 
2026-08-22 00:00 UT   14 16 26.4   -25 43 35     3.541    3.373   72.3   16.6   113   12.6 
2026-08-23 00:00 UT   14 17 28.4   -25 43 48     3.553    3.372   71.5   16.5   113   12.6 
2026-08-24 00:00 UT   14 18 30.9   -25 44 06     3.565    3.371   70.8   16.5   113   12.6 
2026-08-25 00:00 UT   14 19 34.1   -25 44 28     3.577    3.370   70.1   16.4   114   12.6 
2026-08-26 00:00 UT   14 20 37.9   -25 44 54     3.590    3.369   69.4   16.3   114   12.6 
2026-08-27 00:00 UT   14 21 42.3   -25 45 24     3.602    3.368   68.6   16.2   114   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.