MPEC 2019-L09 : 2019 KB4
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M.P.E.C. 2019-L09 Issued 2019 June 1, 19:14 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 KB4
Observations:
K19K04B C2019 05 29.57239921 21 41.039+15 19 25.92 20.2 GVEL009F51
K19K04B C2019 05 29.58177921 21 43.550+15 19 32.50 20.2 GVEL009F51
K19K04B C2019 05 29.59072921 21 45.944+15 19 38.88 20.5 GVEL009F51
K19K04B* C2019 05 31.44557 21 30 20.78 +15 40 29.5 20.5 GVEL009G96
K19K04B C2019 05 31.44940 21 30 21.80 +15 40 31.5 VEL009G96
K19K04B C2019 05 31.45323 21 30 22.89 +15 40 34.7 20.4 GVEL009G96
K19K04B C2019 05 31.45709 21 30 23.97 +15 40 36.7 20.5 GVEL009G96
K19K04B C2019 05 31.46315 21 30 25.61 +15 40 40.9 20.8 GVEL009G96
K19K04B C2019 05 31.46393 21 30 25.83 +15 40 41.9 20.9 GVEL009G96
K19K04B C2019 05 31.46471 21 30 26.05 +15 40 42.0 20.9 GVEL009G96
K19K04B C2019 05 31.46546 21 30 26.21 +15 40 42.7 21.7 GVEL009G96
K19K04B C2019 05 31.54939 21 30 50.198+15 41 40.08 20.5 wUEL009F51
K19K04B C2019 05 31.56202 21 30 53.691+15 41 48.38 20.9 wUEL009F51
K19K04B C2019 05 31.57469 21 30 57.191+15 41 56.79 21.1 wUEL009F51
K19K04B C2019 05 31.58741 21 31 00.678+15 42 05.30 20.9 wUEL009F51
K19K04B KC2019 06 01.35226021 34 37.96 +15 50 07.8 20.8 VuEL009H21
K19K04B KC2019 06 01.36059121 34 40.28 +15 50 13.5 20.6 VuEL009H21
K19K04B KC2019 06 01.37034321 34 43.03 +15 50 19.3 20.8 VuEL009H21
K19K04B C2019 06 01.39509 21 34 50.35 +15 50 36.3 20.5 GVEL009I52
K19K04B C2019 06 01.39634 21 34 50.68 +15 50 37.0 21.1 GVEL009I52
K19K04B C2019 06 01.39759 21 34 51.04 +15 50 37.7 21.1 GVEL009I52
K19K04B C2019 06 01.39884 21 34 51.40 +15 50 38.5 20.9 GVEL009I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer,
L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer H. Groeller. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne,
D. Rankin, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard,
T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly. 1.0-m reflector +
CCD.
Orbital elements:
2019 KB4 PHA, Earth MOID = 0.0249 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 323.29228 (2000.0) P Q
n 0.40613542 Peri. 192.91153 +0.83276984 +0.51135554
a 1.8058796 Node 134.22308 -0.47798374 +0.85746079
e 0.4285040 Incl. 17.22027 -0.27933124 +0.05724083
P 2.43 H 19.8 G 0.15 U 9
Residuals in seconds of arc
190529 F51 0.1- 0.0 190531 G96 0.0 0.5+ 190601 H21 0.2- 0.3+
190529 F51 0.0 0.1- 190531 G96 0.1+ 0.0 190601 H21 0.1+ 0.2-
190529 F51 0.1+ 0.0 190531 G96 0.6- 0.2+ 190601 I52 0.2+ 0.1-
190531 G96 0.2+ 0.2+ 190531 F51 0.1- 0.0 190601 I52 0.1- 0.2-
190531 G96 0.3- 0.3- 190531 F51 0.0 0.0 190601 I52 0.0 0.3-
190531 G96 0.2+ 0.3+ 190531 F51 0.1+ 0.0 190601 I52 0.1+ 0.3-
190531 G96 0.4+ 0.2- 190531 F51 0.1- 0.1+
190531 G96 0.0 0.0 190601 H21 0.1+ 0.1-
Ephemeris:
2019 KB4 a,e,i = 1.81, 0.43, 17 q = 1.0321
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 05 02 19 38 07.3 +08 42 58 0.7379 1.3590 101.1 46.7 21.6
...
2019 05 17 20 29 33.3 +12 30 27 0.6099 1.2718 100.4 51.4 21.1
...
2019 05 25 21 01 33.4 +14 22 36 0.5514 1.2277 99.1 54.5 20.9
...
2019 05 31 21 28 15.1 +15 35 41 0.5124 1.1963 97.8 57.1 20.8
2019 06 01 21 32 56.9 +15 46 32 0.5063 1.1912 97.5 57.5 20.8
2019 06 02 21 37 43.0 +15 56 56 0.5004 1.1862 97.3 58.0 20.8
...
2019 06 08 22 07 54.8 +16 48 14 0.4676 1.1572 95.5 60.8 20.6
...
2019 06 16 22 52 23.3 +17 18 38 0.4323 1.1219 92.6 64.8 20.5
...
2019 07 01 00 25 19.9 +15 41 20 0.3961 1.0692 86.6 71.7 20.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-L09
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