MPEC 2019-M06 : 2019 LR4
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M.P.E.C. 2019-M06 Issued 2019 June 16, 22:18 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 LR4
Observations:
K19L04R C2019 05 27.36730016 30 23.091+09 38 38.87 22.1 GV F52
K19L04R C2019 05 27.37902116 30 23.597+09 38 51.95 22.2 GV F52
K19L04R C2019 05 27.39080716 30 24.124+09 39 04.88 23.4 GV F52
K19L04R C2019 05 27.40254516 30 24.656+09 39 17.17 22.6 GV F52
K19L04R C2019 06 01.46486016 36 46.531+11 12 53.12 21.7 GV F52
K19L04R C2019 06 01.48694516 36 47.970+11 13 18.56 22.2 GV F52
K19L04R* C2019 06 07.47960 16 48 24.204+13 13 49.09 22.5 wU F51
K19L04R C2019 06 07.49152 16 48 25.643+13 14 04.07 22.4 wU F51
K19L04R C2019 06 07.51533 16 48 28.535+13 14 33.37 22.2 wU F51
K19L04R KC2019 06 08.42556 16 50 51.09 +13 34 06.9 21.0 Ro 291
K19L04R KC2019 06 08.44213 16 50 53.51 +13 34 27.5 21.1 Ro 291
K19L04R KC2019 06 08.45867 16 50 55.95 +13 34 47.9 22.0 Ro 291
K19L04R KC2019 06 10.34734 16 56 42.37 +14 18 04.5 20.9 Ro 291
K19L04R KC2019 06 10.35035 16 56 42.88 +14 18 09.0 22.7 Ro 291
K19L04R C2019 06 10.56746616 57 23.966+14 23 28.60 20.80GV F51
K19L04R ^C2019 06 12.19610 17 03 38.45 +15 03 30.2 21.3 Ro 695
K19L04R ^C2019 06 12.19959 17 03 39.19 +15 03 35.7 21.1 Ro 695
K19L04R ^C2019 06 12.20307 17 03 39.94 +15 03 41.4 21.7 Ro 695
K19L04R KC2019 06 13.36837 17 08 40.01 +15 34 13.5 21.0 Rq 734
K19L04R KC2019 06 13.37466 17 08 41.79 +15 34 23.2 21.1 Rq 734
K19L04R KC2019 06 13.38095 17 08 43.35 +15 34 33.1 21.3 Rq 734
K19L04R C2019 06 14.27423 17 13 14.99 +15 59 43.3 V I52
K19L04R C2019 06 14.27864 17 13 16.21 +15 59 51.9 V I52
Observer details:
291 LPL/Spacewatch II. Observers A. F. Tubbiolo, R. A. Mastaler.
1.8-m f/2.7 reflector + CCD.
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observer G. Hug. 0.69-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman, K. Chambers, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes,
T. Lowe, E. Magnier, A. Schultz, , M. Willman.
1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer T. A. Pruyne.
1.0-m reflector + CCD.
Orbital elements:
2019 LR4 Earth MOID = 0.0017 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 324.92968 (2000.0) P Q
n 0.41916160 Peri. 196.64410 +0.52496026 +0.84372192
a 1.7682692 Node 105.14732 -0.76707462 +0.52603506
e 0.4333655 Incl. 6.66473 -0.36879974 +0.10686646
P 2.35 H 25.2 G 0.15 U 6
Residuals in seconds of arc
190527 F52 0.2+ 0.1+ 190607 F51 0.2+ 0.3- 190612 695 0.1- 0.2+
190527 F52 0.1- 0.3+ 190608 291 0.9- 0.2+ 190612 695 0.2- 0.2+
190527 F52 0.1- 0.2+ 190608 291 0.4- 0.1+ 190613 734 1.1- 0.1+
190527 F52 0.1+ 0.3- 190608 291 0.3- 0.0 190613 734 1.5+ 0.1+
190601 F52 0.1+ 0.5- 190610 291 0.0 0.0 190613 734 0.8+ 0.4+
190601 F52 0.0 0.1+ 190610 291 0.1+ 0.3+ 190614 I52 0.5- 1.2-
190607 F51 0.3+ 0.1- 190610 F51 0.2+ 0.1- 190614 I52 0.3- 0.3-
190607 F51 0.4+ 0.0 190612 695 0.1+ 0.3
Ephemeris:
2019 LR4 a,e,i = 1.77, 0.43, 7 q = 1.0020
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 05 17 16 21 31.6 +06 39 04 0.2277 1.2162 151.6 23.3 23.5
...
2019 06 01 16 36 06.1 +11 04 13 0.1427 1.1363 147.0 29.1 22.5
...
2019 06 09 16 52 31.7 +13 47 25 0.1026 1.0989 143.2 33.6 21.9
...
2019 06 15 17 17 13.1 +16 21 25 0.07446 1.0740 140.2 37.2 21.2
2019 06 16 17 23 22.0 +16 52 10 0.06997 1.0701 139.7 37.9 21.1
2019 06 17 17 30 23.9 +17 24 54 0.06556 1.0663 139.2 38.5 21.0
...
2019 06 23 18 44 54.9 +21 23 26 0.04149 1.0456 134.1 44.3 20.1
...
2019 07 01 23 09 30.5 +16 21 31 0.03000 1.0237 102.7 75.6 20.3
...
2019 07 16 02 35 19.8 -03 11 47 0.08348 1.0026 78.2 97.2 23.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-M06
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