2017 BH30
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 Oct 2026	33.7	3.334 AU	2.353 AU	02h07m	+10°06'	167.8°	3.6°

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 2017 BH30 are:

            e (Eccentricity)                : 0.6562085
            a (Semimajor axis)              : 2.3142746
            i (Inclination)                 : 1.87829
            Ω (Longitude of ascending node) : 129.36506
            ω (Argument of perihelion)      : 57.45063
            M (Mean anomaly)                : 219.84476
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 186.80172
            B (Latitude of perihelion)      : 1.58318
            P (Orbital period in years)     : 3.52            
        

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
2026-10-15 00:00 UT   02 07 30.0   +10 06 28     2.353    3.334  167.8    3.6   262   33.7 
2026-10-15 02:14 UT   02 07 24.4   +10 05 56     2.352    3.334  167.9    3.6   263   33.7 
2026-10-16 00:00 UT   02 06 29.8   +10 00 48     2.346    3.330  169.0    3.3   264   33.6 
2026-10-17 00:00 UT   02 05 29.0   +09 55 06     2.340    3.326  170.3    2.9   266   33.6 
2026-10-18 00:00 UT   02 04 27.6   +09 49 21     2.334    3.323  171.5    2.6   268   33.6 
2026-10-19 00:00 UT   02 03 25.7   +09 43 33     2.328    3.319  172.7    2.2   271   33.5 
2026-10-20 00:00 UT   02 02 23.4   +09 37 43     2.323    3.315  173.8    1.9   275   33.5 
2026-10-21 00:00 UT   02 01 20.6   +09 31 52     2.318    3.311  174.9    1.5   281   33.5 
2026-10-22 00:00 UT   02 00 17.5   +09 25 58     2.313    3.307  176.0    1.2   291   33.4 
2026-10-23 00:00 UT   01 59 14.0   +09 20 03     2.309    3.303  176.8    1.0   306   33.4 
2026-10-24 00:00 UT   01 58 10.3   +09 14 07     2.305    3.299  177.3    0.8   329   33.4 
2026-10-25 00:00 UT   01 57 06.4   +09 08 11     2.301    3.295  177.2    0.8   356   33.4 
2026-10-26 00:00 UT   01 56 02.3   +09 02 13     2.298    3.291  176.6    1.0    17   33.4 
2026-10-27 00:00 UT   01 54 58.0   +08 56 16     2.295    3.287  175.7    1.3    31   33.4 
2026-10-28 00:00 UT   01 53 53.8   +08 50 18     2.292    3.283  174.7    1.6    40   33.4 
2026-10-29 00:00 UT   01 52 49.5   +08 44 21     2.290    3.279  173.5    2.0    45   33.5 
2026-10-30 00:00 UT   01 51 45.3   +08 38 24     2.288    3.275  172.3    2.3    49   33.5 
2026-10-31 00:00 UT   01 50 41.1   +08 32 29     2.286    3.271  171.1    2.7    52   33.5 
2026-11-01 00:00 UT   01 49 37.2   +08 26 35     2.285    3.267  169.9    3.1    54   33.5 
2026-11-02 00:00 UT   01 48 33.4   +08 20 42     2.284    3.263  168.7    3.4    56   33.5 
2026-11-03 00:00 UT   01 47 29.9   +08 14 51     2.283    3.259  167.4    3.8    57   33.6 
2026-11-04 00:00 UT   01 46 26.7   +08 09 03     2.283    3.254  166.2    4.2    58   33.6 
2026-11-05 00:00 UT   01 45 23.9   +08 03 17     2.283    3.250  164.9    4.6    59   33.6 
2026-11-06 00:00 UT   01 44 21.5   +07 57 34     2.283    3.246  163.7    4.9    60   33.6 
2026-11-07 00:00 UT   01 43 19.6   +07 51 55     2.283    3.242  162.4    5.3    61   33.6 
2026-11-08 00:00 UT   01 42 18.2   +07 46 19     2.284    3.238  161.1    5.7    61   33.6 
2026-11-09 00:00 UT   01 41 17.4   +07 40 46     2.285    3.234  159.9    6.1    62   33.7 
2026-11-10 00:00 UT   01 40 17.2   +07 35 18     2.287    3.229  158.6    6.4    62   33.7 
2026-11-11 00:00 UT   01 39 17.7   +07 29 55     2.289    3.225  157.4    6.8    63   33.7 
2026-11-12 00:00 UT   01 38 19.0   +07 24 36     2.291    3.221  156.1    7.2    63   33.7 
2026-11-13 00:00 UT   01 37 21.0   +07 19 22     2.293    3.216  154.9    7.5    63   33.7 
2026-11-14 00:00 UT   01 36 23.9   +07 14 14     2.296    3.212  153.6    7.9    63   33.7 

    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.