MPEC 2019-N81 : 2019 NB2
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M.P.E.C. 2019-N81 Issued 2019 July 5, 18:59 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 NB2
Observations:
K19N02B* C2019 07 03.41550 23 05 00.21 -10 02 58.2 22.2 GVEN081G96
K19N02B C2019 07 03.42071 23 05 00.60 -10 02 51.0 21.8 GVEN081G96
K19N02B C2019 07 03.42590 23 05 00.96 -10 02 43.4 21.4 GVEN081G96
K19N02B C2019 07 03.43108 23 05 01.44 -10 02 35.9 21.7 GVEN081G96
K19N02B C2019 07 03.45331 23 05 03.34 -10 02 07.0 21.4 GVEN081G96
K19N02B C2019 07 03.45476 23 05 03.48 -10 02 05.3 21.2 GVEN081G96
K19N02B C2019 07 03.45620 23 05 03.59 -10 02 03.9 21.4 GVEN081G96
K19N02B C2019 07 03.45765 23 05 03.78 -10 02 01.5 VEN081G96
K19N02B |C2019 07 04.31794 23 06 21.95 -09 42 35.4 21.0 GUEN081807
K19N02B |C2019 07 04.32321 23 06 22.39 -09 42 28.2 20.8 GUEN081807
K19N02B |C2019 07 04.32847 23 06 22.82 -09 42 21.2 20.9 GUEN081807
K19N02B C2019 07 04.39408 23 06 28.95 -09 41 13.5 21.7 GVEN081I52
K19N02B C2019 07 04.39806 23 06 29.26 -09 41 08.4 21.5 GVEN081I52
K19N02B C2019 07 04.40205 23 06 29.67 -09 41 03.6 20.7 GVEN081I52
K19N02B C2019 07 04.40603 23 06 29.96 -09 40 58.8 21.3 GVEN081I52
K19N02B C2019 07 05.44677 23 08 00.45 -09 18 04.0 21.7 GVEN081G96
K19N02B C2019 07 05.44890 23 08 00.65 -09 18 01.2 21.7 GVEN081G96
K19N02B KC2019 07 05.44933 23 08 00.52 -09 17 58.9 oEN081711
K19N02B C2019 07 05.45103 23 08 00.75 -09 17 58.6 21.6 GVEN081G96
K19N02B C2019 07 05.45247 23 08 00.84 -09 17 56.6 21.4 GVEN081G96
K19N02B KC2019 07 05.45364 23 08 00.86 -09 17 53.5 oEN081711
K19N02B KC2019 07 05.45798 23 08 01.17 -09 17 47.9 oEN081711
Observer details:
711 McDonald Observatory, Fort Davis. Observers J. G. Ries, Z. T. Quinn,
D. H. Kim. Measurer J. G. Ries. 2.1-m reflector + CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer T. A. Pruyne. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin.
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 NB2 Earth MOID = 0.2590 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 344.78459 (2000.0) P Q
n 0.31867926 Peri. 330.07352 +0.22484910 +0.97185726
a 2.1227565 Node 312.82156 -0.87390372 +0.16924335
e 0.4013314 Incl. 5.49677 -0.43097002 +0.16386019
P 3.09 H 21.2 G 0.15 U 9
Residuals in seconds of arc
190703 G96 (1.3+ 0.7-) 190704 807 0.1- 0.2- 190705 G96 0.6+ 0.4-
190703 G96 0.5+ 0.4- 190704 807 0.0 0.0 190705 711 0.1+ 0.9+
190703 G96 0.8- 0.3+ 190704 807 0.1- 0.0 190705 G96 0.3- 0.6-
190703 G96 0.2- 0.9+ 190704 I52 0.1- 0.4+ 190705 G96 0.7- 0.5-
190703 G96 0.2- 0.2+ 190704 I52 0.4- 0.3+ 190705 711 0.2+ 0.6+
190703 G96 0.0 0.1- 190704 I52 0.8+ 0.2- 190705 711 0.3- 0.5+
190703 G96 0.2- 0.6- 190704 I52 0.2+ 0.6-
190703 G96 0.8+ 0.1- 190705 G96 0.2+ 0.4-
Ephemeris:
2019 NB2 a,e,i = 2.12, 0.40, 5 q = 1.2708
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 05 22 00 40.6 -20 59 40 0.5107 1.2736 108.7 49.0 22.1
...
2019 06 20 22 39 31.3 -15 12 27 0.4717 1.2723 112.3 47.6 21.9
...
2019 06 28 22 55 51.3 -12 05 38 0.4556 1.2783 115.1 46.1 21.8
...
2019 07 04 23 05 52.9 -09 49 46 0.4454 1.2858 117.7 44.4 21.7
2019 07 05 23 07 21.6 -09 27 40 0.4438 1.2872 118.2 44.1 21.7
2019 07 06 23 08 46.9 -09 05 46 0.4423 1.2888 118.7 43.8 21.7
...
2019 07 12 23 16 07.2 -06 58 38 0.4342 1.2996 121.9 41.6 21.6
...
2019 07 20 23 22 40.5 -04 23 06 0.4260 1.3175 127.1 38.0 21.5
...
2019 08 04 23 24 45.6 -00 28 36 0.4204 1.3613 139.3 29.1 21.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-N81
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