MPEC 2001-M19 : 1999 MM
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M.P.E.C. 2001-M19 Issued 2001 June 20, 17:26 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 MM
Revision to MPEC 1999-M26
Observations:
J99M00M C2001 06 18.97367 16 20 08.56 -13 40 06.7 19.6 V 493
J99M00M C2001 06 18.97966 16 20 07.30 -13 40 04.9 493
J99M00M C2001 06 19.95840 16 16 45.88 -13 35 21.3 19.4 V 493
J99M00M C2001 06 19.95970 16 16 45.60 -13 35 20.9 493
Observer details:
493 Calar Alto. Observers DANEOPS Team (M. Busch, A. Seib, F. Hormuth).
Measurers R. Stoss, A. Gnadig, A. Doppler. 1.52-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
010618 493 74.0+ 9.2- 010619 493 73.4+ 9.5- MPC 36906 -0.018 day
Orbital elements:
1999 MM PHA 0.000
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 277.27176 (2000.0) P Q
n 0.47639135 Peri. 268.46230 +0.93811155 -0.33757356
a 1.6236539 Node 111.26156 +0.34151421 +0.86450920
e 0.6105450 Incl. 4.76410 +0.05757397 +0.37238144
P 2.07 H 19.6 G 0.15 U 3
Residuals in seconds of arc
990612 703 (2.4- 0.8+) 990623 120 0.2- 0.3+ 990625 118 0.2- 0.6+
990612 703 0.9- 1.3+ 990623 595 0.1- 0.2- 990626 327 1.5- 1.2-
990612 703 1.2+ 0.8- 990623 595 0.6+ 0.3+ 990626 327 1.4+ 0.4+
990612 703 0.3+ 1.5+ 990623 595 0.1+ 0.5+ 990626 327 1.6- 0.9-
990620 699 1.3- 1.9- 990623 595 0.9- 0.1+ 990701 428 0.6- 0.2+
990620 699 0.3- 1.2- 990623 426 0.0 0.2+ 990701 428 (2.3- 0.5+)
990620 699 (1.0+ 2.0-) 990623 426 0.1- 0.2+ 990701 428 1.9- 0.3+
990620 046 (2.2- 0.3-) 990623 426 0.0 0.2+ 990701 428 (4.0- 1.9-)
990620 046 0.3+ 0.8- 990623 118 0.4+ 0.3+ 990702 413 0.1+ 0.8-
990620 046 0.5+ 1.2+ 990623 118 0.4+ 0.0 990702 413 0.2+ 0.7-
990620 046 1.1- 0.7- 990623 118 (2.3+ 0.5+) 990702 413 0.2+ 0.9-
990621 557 1.3+ 0.5- 990624 120 0.6+ 0.6- 990705 046 0.2- 0.2-
990621 557 0.2+ 0.2- 990624 120 0.4+ 0.2- 990705 046 0.3+ 0.2-
990621 557 0.0 0.3- 990624 120 0.9- 0.5- 990705 046 0.9+ 0.3+
990621 428 1.9- 0.2- 990624 426 0.2+ 0.1+ 990705 046 0.4+ 0.0
990621 428 0.4- 0.4- 990624 426 0.3+ 0.4+ 990705 046 1.4+ 0.1+
990621 422 0.1+ 0.4- 990624 426 0.2+ 0.3+ 990709 426 0.5- 0.1+
990621 422 0.2+ 0.1+ 990625 118 0.3+ 0.7- 990709 426 0.0 0.3+
990621 422 0.1+ 0.2- 990625 118 0.0 0.5- 990709 426 0.5- 1.6+
990622 426 0.2- 0.5+ 990625 046 0.2+ 0.2+ 990709 426 0.5- 0.3-
990622 426 0.1+ 0.3+ 990625 046 0.5+ 0.4+ 991008 568 0.2+ 0.2+
990622 426 0.0 0.4+ 990625 118 0.7- 0.3+ 991008 568 0.2- 0.2+
990623 046 0.4- 0.1+ 990625 046 0.0 0.3+ 991008 568 0.3+ 0.2+
990623 046 0.2+ 0.6+ 990625 046 0.1+ 0.2+ 991011 568 0.0 0.1+
990623 046 0.0 0.1- 990625 046 0.0 0.1+ 010618 493 0.1- 0.5+
990623 120 0.5+ 0.1+ 990625 426 0.3+ 0.1+ 010618 493 0.1- 0.5+
990623 046 0.1- 0.2+ 990625 426 0.1- 0.6+ 010619 493 0.2+ 0.2+
990623 120 0.5- 0.4+ 990625 426 0.1+ 0.3+ 010619 493 0.2+ 0.3+
990623 046 0.5+ 0.0 990625 118 0.1- 0.1-
990623 120 1.5+ 0.2- 990625 118 0.7+ 0.6-
Ephemeris:
1999 MM a,e,i = 1.62, 0.61, 5 q = 0.6323
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 06 10 16 48.30 -14 21.3 0.514 1.523 169.6 6.9 19.6
2001 06 20 16 16.63 -13 34.9 0.447 1.434 154.9 17.5 19.6
2001 06 30 15 40.51 -12 46.3 0.403 1.340 137.2 31.1 19.6
2001 07 10 15 04.05 -12 02.9 0.374 1.242 119.1 45.7 19.7
2001 07 20 14 29.89 -11 30.6 0.355 1.141 101.5 60.7 19.8
2001 07 30 13 57.59 -11 07.1 0.338 1.038 84.3 76.7 20.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-M19
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