MPEC 2019-H60 : 2016 KR3
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M.P.E.C. 2019-H60 Issued 2019 Apr. 26, 02:24 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
2016 KR3
Revision to MPEC 2016-L14
Additional Observations:
K16K03R C2019 04 25.16222807 54 52.57 +57 46 53.0 17.69RUEH060I41
K16K03R C2019 04 25.16257507 54 54.30 +57 46 58.3 17.69RUEH060I41
K16K03R C2019 04 25.20084007 58 18.63 +57 56 00.5 18.45gUEH060I41
K16K03R C2019 04 25.20118707 58 20.38 +57 56 04.9 18.45gUEH060I41
K16K03R C2019 04 25.20262707 58 28.34 +57 56 24.5 18.31gUEH060I41
K16K03R C2019 04 25.20297507 58 30.16 +57 56 29.6 18.31gUEH060I41
K16K03R C2019 04 25.22149408 00 09.39 +58 00 40.7 18.40gUEH060I41
K16K03R C2019 04 25.22184108 00 11.21 +58 00 45.4 18.40gUEH060I41
K16K03R KC2019 04 25.82507 08 54 54.18 +59 31 58.5 16.8 RVEH060K61
K16K03R KC2019 04 25.82543 08 54 56.11 +59 31 59.9 16.9 RVEH060K61
K16K03R KC2019 04 25.82594 08 54 58.75 +59 32 01.8 16.9 RVEH060K61
K16K03R KC2019 04 25.82696 08 55 04.11 +59 32 06.9 17.0 RVEH060K61
K16K03R KC2019 04 25.82755 08 55 07.18 +59 32 09.0 16.9 RVEH060K61
K16K03R KC2019 04 25.82842 08 55 11.81 +59 32 12.5 16.7 RVEH060K61
K16K03R KC2019 04 25.82915 08 55 15.59 +59 32 15.5 16.8 RVEH060K61
K16K03R KC2019 04 25.87149308 59 00.63 +59 35 03.8 17.9 GVEH060J95
K16K03R KC2019 04 25.87196508 59 03.09 +59 35 05.1 17.8 GVEH060J95
K16K03R KC2019 04 25.87246308 59 05.70 +59 35 07.3 17.7 GVEH060J95
K16K03R KC2019 04 25.87294208 59 08.16 +59 35 08.7 17.7 GVEH060J95
K16K03R KC2019 04 25.87787608 59 29.96 +59 35 24.3 17.7 GVEH060L01
K16K03R KC2019 04 25.87829008 59 32.15 +59 35 25.7 17.8 GVEH060L01
K16K03R KC2019 04 25.87870508 59 34.34 +59 35 26.5 18.0 GVEH060L01
K16K03R KC2019 04 25.88156008 59 49.21 +59 35 35.8 18.2 GVEH060L01
K16K03R KC2019 04 25.88477 09 00 05.66 +59 35 32.8 17.4 RoEH060K88
K16K03R KC2019 04 25.88572 09 00 10.60 +59 35 35.7 17.5 RoEH060K88
K16K03R KC2019 04 25.88666 09 00 15.50 +59 35 38.8 17.4 RoEH060K88
K16K03R KC2019 04 25.88760 09 00 20.44 +59 35 41.5 17.5 RoEH060K88
K16K03R KC2019 04 25.88854 09 00 25.38 +59 35 44.3 17.4 RoEH060K88
K16K03R KC2019 04 25.88948 09 00 30.25 +59 35 47.2 17.5 RoEH060K88
K16K03R KC2019 04 25.89007 09 00 33.90 +59 36 01.3 17.6 GVEH060595
K16K03R KC2019 04 25.89179 09 00 42.86 +59 36 06.8 18.0 GVEH060595
K16K03R KC2019 04 25.89910 09 01 19.94 +59 36 11.9 18.0 VtEH060L04
K16K03R KC2019 04 25.90280 09 01 39.40 +59 36 22.4 17.8 VtEH060L04
K16K03R KC2019 04 25.90706 09 02 01.64 +59 36 34.2 17.8 VtEH060L04
K16K03R KC2019 04 25.90781909 02 10.23 +59 36 53.5 17.9 GVEH060Z99
K16K03R KC2019 04 25.90987709 02 20.99 +59 36 59.7 17.8 GVEH060Z99
K16K03R KC2019 04 25.91195609 02 31.81 +59 37 05.7 18.0 GVEH060Z99
K16K03R KC2019 04 25.92437209 03 34.12 +59 37 27.8 16.7 GVEH060G34
K16K03R KC2019 04 25.92560309 03 40.51 +59 37 31.5 17.2 GVEH060G34
K16K03R KC2019 04 25.92785309 03 52.27 +59 37 36.5 17.0 GVEH060G34
K16K03R KC2019 04 25.93459709 04 29.16 +59 38 10.5 17.6 GVEH060Z80
K16K03R KC2019 04 25.93806909 04 47.21 +59 38 19.5 17.4 GVEH060Z80
K16K03R KC2019 04 25.94154209 05 05.22 +59 38 27.2 17.6 GVEH060Z80
K16K03R KC2019 04 25.94501409 05 23.30 +59 38 35.7 17.6 GVEH060Z80
Observer details:
595 Farra dIsonzo. Observer E. Pettarin. 0.61-m f/4.5 reflector + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/5.7 Schmidt-Cassegrain +
CCD.
I41 Palomar Mountain--ZTF. Observers Q.-Z. Ye, Z. T. F. Collaboration,
H.-J. Tan. Measurers D. A. Duev, H.-W. Lin, A. A. Mahabal, F. J. Masci,
Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector +
CCD.
K88 GINOP-KHK, Piszkesteto. Observer A. Bodi. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer F. Hrzenjak. 1.0-m f/2.9 reflector
+ CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger.
0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
190425 I41 82- 46+ 190425 Z80 68- 47+ MPO386982 +13 day
Orbital elements:
2016 KR3 PHA, Earth MOID = 0.0293 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 37.73235 (2000.0) P Q
n 0.66294242 Peri. 269.23862 -0.42076131 -0.88602907
a 1.3026233 Node 208.31422 +0.90551403 -0.42317259
e 0.5194473 Incl. 24.23733 -0.05481112 -0.18941343
P 1.49 H 21.0 G 0.15 U 3
Residuals in seconds of arc
160528 F51 0.4+ 0.2- 160607 568 0.0 0.0 190425 J95 0.4- 0.1-
160528 F51 0.1- 0.2- 160608 291 0.8+ 0.4+ 190425 L01 0.3- 0.2+
160528 F51 0.3- 0.2- 160608 291 0.2+ 0.0 190425 L01 0.1- 0.3+
160529 291 0.1- 0.1+ 160608 291 0.1+ 0.1+ 190425 L01 0.1+ 0.2-
160529 291 0.8+ 0.4+ 160609 F51 0.4+ 0.8+ 190425 L01 0.3- 0.1-
160530 H21 0.2- 0.4+ 160609 F51 0.2+ 0.3- 190425 K88 0.0 0.5+
160530 H21 0.2- 0.1+ 160609 F51 0.1- 0.2- 190425 K88 0.2- 0.4+
160530 H21 0.5- 0.3+ 160609 F51 0.4+ 0.0 190425 K88 0.4- 0.6+
160603 291 0.8+ 0.3+ 190425 I41 0.6+ 0.9- 190425 K88 0.2- 0.4+
160603 291 0.5+ 0.2- 190425 I41 0.3- 0.6- 190425 K88 0.1- 0.3+
160603 291 (1.6+ 0.3+) 190425 I41 0.1+ 0.1+ 190425 K88 0.5- 0.4+
160604 568 0.1- 0.0 190425 I41 0.8- 0.3- 190425 595 0.2+ 0.1-
160604 568 0.0 0.1- 190425 I41 1.2+ 0.5- 190425 595 0.0 0.2+
160604 568 0.1- 0.0 190425 I41 0.8+ 0.2- 190425 L04 0.1- 0.1+
160604 F51 0.3+ 0.1- 190425 I41 0.0 0.1- 190425 L04 0.6+ 0.1+
160604 F51 0.2+ 0.0 190425 I41 0.3- 0.0 190425 L04 0.2+ 0.0
160604 F51 0.2+ 0.2- 190425 K61 0.4+ 0.0 190425 Z99 0.2- 0.3-
160604 F51 0.1+ 0.3- 190425 K61 0.7+ 0.1- 190425 Z99 0.1+ 0.1-
160606 H21 0.1+ 0.8+ 190425 K61 0.4+ 0.3- 190425 Z99 0.0 0.1-
160606 H21 0.1+ 0.4+ 190425 K61 0.4+ 0.6+ 190425 G34 0.4+ 0.0
160606 H21 0.4+ 0.2+ 190425 K61 0.2+ 0.2+ 190425 G34 0.1+ 0.5+
160607 291 0.3+ 0.1- 190425 K61 0.7+ 0.2+ 190425 G34 0.3+ 0.2-
160607 291 0.3+ 0.0 190425 K61 0.3+ 0.2+ 190425 Z80 0.2- 0.2-
160607 291 0.6+ 0.3+ 190425 J95 0.1- 0.1+ 190425 Z80 0.0 0.3+
160607 568 0.1- 0.0 190425 J95 0.1- 0.3- 190425 Z80 0.2- 0.3-
160607 568 0.2- 0.1+ 190425 J95 0.1- 0.2+ 190425 Z80 0.2+ 0.0
Ephemeris:
2016 KR3 a,e,i = 1.30, 0.52, 24 q = 0.6260
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 27 02 24 11.0 -16 20 11 0.3533 0.7396 35.6 128.2 23.6
...
2019 04 11 02 54 28.8 -10 43 19 0.1623 0.8667 30.9 143.6 24.1
...
2019 04 19 03 42 47.6 +08 19 35 0.07475 0.9395 29.0 148.8 23.4
...
2019 04 25 07 40 27.7 +57 01 46 0.05010 0.9944 75.4 101.8 18.2
2019 04 26 09 10 16.7 +59 41 01 0.05470 1.0035 85.8 91.1 17.9
2019 04 27 10 26 48.2 +58 46 05 0.06127 1.0126 94.1 82.4 17.8
...
2019 05 03 13 05 17.3 +44 09 16 0.1191 1.0668 116.7 57.5 18.6
...
2019 05 11 13 43 16.2 +35 34 40 0.2095 1.1375 123.0 48.1 19.7
...
2019 05 26 14 05 26.6 +28 30 20 0.3881 1.2633 122.2 42.7 21.1
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-H60
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