MPEC 2019-Q128 : 2019 QY4
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2019-Q127
Read MPEC 2019-Q129
M.P.E.C. 2019-Q128 Issued 2019 August 30, 12:17 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2019 QY4
Observations:
K19Q04Y* C2019 08 28.41825 21 53 27.501-11 38 11.01 22.4 wUEQ128F51
K19Q04Y C2019 08 28.44418 21 53 27.547-11 37 32.82 21.8 wUEQ128F51
K19Q04Y C2019 08 28.45714 21 53 27.579-11 37 13.55 22.1 wUEQ128F51
K19Q04Y C2019 08 29.26808 21 54 33.504-11 16 01.65 22.3 wUEQ128F51
K19Q04Y C2019 08 29.28328 21 54 33.942-11 15 38.79 22.0 wUEQ128F51
K19Q04Y C2019 08 29.29835 21 54 34.346-11 15 15.51 22.1 wUEQ128F51
K19Q04Y C2019 08 29.30894 21 54 34.592-11 14 58.70 22.1 wUEQ128F51
K19Q04Y C2019 08 29.31347 21 54 34.710-11 14 51.39 22.4 wUEQ128F51
K19Q04Y C2019 08 29.32403 21 54 34.882-11 14 34.59 22.2 wUEQ128F51
K19Q04Y C2019 08 29.32856 21 54 34.963-11 14 27.70 21.9 wUEQ128F51
K19Q04Y C2019 08 29.34365 21 54 35.200-11 14 03.45 22.2 wUEQ128F51
K19Q04Y C2019 08 29.35421 21 54 35.348-11 13 46.61 21.7 wUEQ128F51
K19Q04Y C2019 08 29.35874 21 54 35.397-11 13 39.27 22.4 wUEQ128F51
K19Q04Y KC2019 08 30.32211 21 55 48.44 -10 44 26.7 22.1 RoEQ128691
K19Q04Y KC2019 08 30.33911 21 55 48.92 -10 43 51.5 22.2 RoEQ128691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m f/3
reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, C.-K. Chang, W.-P. Chen, W.-H. Ip. 1.8-m
Ritchey-Chretien + CCD.
Orbital elements:
2019 QY4 Earth MOID = 0.0037 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 259.36629 (2000.0) P Q
n 0.57210025 Peri. 67.06672 +0.81060705 -0.58556010
a 1.4371032 Node 328.77490 +0.53296627 +0.74194301
e 0.3609332 Incl. 0.65918 +0.24261731 +0.32655770
P 1.72 H 27.6 G 0.15 U 6
Residuals in seconds of arc
190828 F51 0.0 0.0 190829 F51 0.1- 0.3- 190829 F51 0.0 0.1+
190828 F51 0.0 0.1+ 190829 F51 0.0 0.0 190829 F51 0.1+ 0.2-
190828 F51 0.1- 0.0 190829 F51 0.3+ 0.2+ 190829 F51 0.0 0.2-
190829 F51 0.1+ 0.1+ 190829 F51 0.1- 0.3+ 190830 691 0.2- 0.0
190829 F51 0.2- 0.2- 190829 F51 0.1- 0.0 190830 691 0.1+ 0.0
2019 QY4
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 259.36629 (2000.0) P Q
n 0.57210025 Peri. 67.06672 +0.81060705 -0.58556010
a 1.4371032 Node 328.77490 +0.53296627 +0.74194301
e 0.3609332 Incl. 0.65918 +0.24261731 +0.32655770
P 1.72 H 27.6 G 0.15 U 6
From 15 observations 2019 Aug. 28-30, mean residual 0".15.
Ephemeris:
2019 QX4 a,e,i = 2.12, 0.47, 1 q = 0.9184
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 31 18 01 29.4 -25 35 22 0.1413 1.1313 143.0 32.7 22.4
...
2019 08 15 19 13 04.7 -23 06 04 0.1222 1.1154 145.1 31.3 22.0
...
2019 08 23 20 03 05.3 -20 10 49 0.1210 1.1172 149.4 27.5 21.9
...
2019 08 29 20 41 05.7 -17 19 49 0.1254 1.1233 153.0 24.1 21.9
2019 08 30 20 47 13.5 -16 49 24 0.1266 1.1247 153.6 23.6 21.9
2019 08 31 20 53 15.9 -16 18 43 0.1279 1.1262 154.1 23.0 21.9
...
2019 09 06 21 27 11.7 -13 14 15 0.1389 1.1374 157.0 20.3 22.0
...
2019 09 14 22 05 05.5 -09 28 29 0.1610 1.1580 159.2 18.0 22.3
...
2019 09 29 22 55 10.4 -04 15 16 0.2235 1.2122 158.0 18.0 23.1
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Q128
Read MPEC 2019-Q127
Read MPEC 2019-Q129
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)