• Processing (Info)

    • MPEC 1999-H25 : 1999 HZ1

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    Read MPEC 1999-H24 Read MPEC 1999-H26 

    M.P.E.C. 1999-H25                                Issued 1999 Apr. 24, 14:54 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   1999 HZ1

Observations:
     J99H01Z* C1999 04 20.22597 13 55 41.40 -29 45 02.5          18.0        704
     J99H01Z  C1999 04 20.24231 13 55 39.03 -29 44 32.9          18.7        704
     J99H01Z  C1999 04 20.25867 13 55 36.45 -29 44 04.1          18.6        704
     J99H01Z  C1999 04 20.27518 13 55 33.89 -29 43 35.6          18.0        704
     J99H01Z  C1999 04 22.20929 13 51 06.16 -28 44 53.3          18.5 V      859
     J99H01Z  C1999 04 22.21240 13 51 05.71 -28 44 46.7          18.8 V      859
     J99H01Z  C1999 04 22.21547 13 51 05.27 -28 44 41.0          19.2 V      859
     J99H01Z  C1999 04 22.21997 13 51 04.64 -28 44 32.9          19.0 V      859
     J99H01Z  C1999 04 22.45664 13 50 34.96 -28 37 22.7          17.6 R      426
     J99H01Z  C1999 04 22.45963 13 50 34.50 -28 37 17.7          17.8 R      426
     J99H01Z  C1999 04 22.46371 13 50 33.96 -28 37 10.1          17.5 R      426
     J99H01Z  C1999 04 22.55970 13 50 20.46 -28 34 20.8          18.7 R      428
     J99H01Z  C1999 04 23.52920 13 48 15.88 -28 05 29.2          17.8 R      426
     J99H01Z  C1999 04 23.53332 13 48 15.31 -28 05 21.6          17.8 R      426
     J99H01Z  C1999 04 23.54282 13 48 14.07 -28 05 05.2          17.5 R      426
     J99H01Z  C1999 04 23.95638 13 47 21.72 -27 53 09.8          17.0 R      046
     J99H01Z  C1999 04 23.95777 13 47 21.55 -27 53 07.9                      046
     J99H01Z  C1999 04 23.95969 13 47 21.29 -27 53 03.4                      046
     J99H01Z  C1999 04 23.96167 13 47 21.02 -27 53 01.6                      046
     J99H01Z  C1999 04 23.96315 13 47 20.75 -27 52 57.1                      046
     J99H01Z  C1999 04 23.96471 13 47 20.59 -27 52 56.0                      046
     J99H01Z  C1999 04 24.20626 13 46 50.19 -27 45 35.3          19.4 V      860
     J99H01Z  C1999 04 24.21514 13 46 49.03 -27 45 18.1          18.3 V      860
     J99H01Z  C1999 04 24.22058 13 46 48.33 -27 45 07.2          18.4 V      860

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.  0.57-m f/5.2
    reflector + CCD.
426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
428 Reedy Creek.  Observer J. Broughton.  0.25-m f/6.3 Schmidt-Cassegrain
    + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, M. Elowitz.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m
    f/2.15 reflector + CCD.
859 Serra da Piedade.  Observers C. Jacques, J. Amancio.  0.3-m f/3.3
    Schimdt-Cassegrain + CCD.
860 Valinhos.  Observer P. R. Holvorcem.  0.20-m f/3.3 reflector + CCD.

Orbital elements:
1999 HZ1
Epoch 1999 Apr. 12.0 TT = JDT 2451280.5                 Williams
M  45.92765              (2000.0)            P               Q
n   0.47986978     Peri.  200.43455     -0.03867712     -0.98859853
a   1.6157982      Node   252.00625     +0.93673392     +0.01483249
e   0.5806708      Incl.    8.80122     +0.34789889     -0.14984305
P   2.05           H   18.3           G   0.15
From 24 observations 1999 Apr. 20-24.

Ephemeris:
1999 HZ1                 a,e,i = 1.62, 0.58, 9                   q = 0.6776
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 04 22    13 51.58   -28 51.2    0.524    1.514   163.1    11.1    18.5
1999 04 27    13 41.44   -26 25.0    0.562    1.556   164.9     9.7    18.6
1999 05 02    13 33.33   -24 09.9    0.605    1.596   162.9    10.7    18.9
1999 05 07    13 27.11   -22 08.5    0.654    1.635   158.8    12.9    19.2
1999 05 12    13 22.60   -20 22.1    0.707    1.674   153.7    15.5    19.5
1999 05 17    13 19.62   -18 50.8    0.765    1.711   148.4    18.0    19.8
1999 05 22    13 18.00   -17 34.2    0.828    1.747   143.2    20.3    20.1
1999 05 27    13 17.55   -16 31.0    0.895    1.783   138.2    22.2    20.4
1999 06 01    13 18.11   -15 40.1    0.965    1.817   133.4    23.9    20.6
1999 06 06    13 19.53   -15 00.0    1.038    1.851   128.8    25.3    20.9
1999 06 11    13 21.70   -14 29.4    1.113    1.884   124.4    26.4    21.1
1999 06 16    13 24.52   -14 07.2    1.192    1.916   120.2    27.3    21.3
1999 06 21    13 27.91   -13 52.3    1.272    1.947   116.2    27.9    21.5
1999 06 26    13 31.80   -13 43.7    1.354    1.977   112.2    28.4    21.7
1999 07 01    13 36.12   -13 40.5    1.437    2.006   108.5    28.7    21.9

Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-H25

    Read MPEC 1999-H24 Read MPEC 1999-H26

    MPEC number:

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    • B01 (the abbreviated form)