[Iaude] MPEC N20: 2019 NJ [a=1.16,e=0.12,i=18.5,H=23.61]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Jul 2 20:38:48 EDT 2024
M.P.E.C. 2024-N20 Issued 2024 July 3, 00:37 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2019 NJ
Revision to MPEC 2019-N31
Additional Observations:
K19N00J C2024 07 01.52757222 20 31.006+25 47 44.09 19.38oVEN020T08
K19N00J C2024 07 01.53068422 20 29.570+25 49 00.44 19.27oVEN020T08
K19N00J C2024 07 01.53345322 20 28.284+25 50 07.22 19.24oVEN020T08
K19N00J C2024 07 01.54378322 20 23.551+25 54 16.99 19.25oVEN020T08
K19N00J KB2024 07 02.00236122 17 37.60 +28 50 20.0 18.7 GXEN020958
K19N00J KB2024 07 02.00504822 17 36.58 +28 51 22.2 18.5 GXEN020958
K19N00J KB2024 07 02.00838622 17 35.10 +28 52 38.4 19.2 GXEN020958
K19N00J KC2024 07 02.94731422 11 46.04 +34 22 59.2 VEN020104
K19N00J KC2024 07 02.95503922 11 42.88 +34 25 35.2 VEN020104
K19N00J KC2024 07 02.96508322 11 38.79 +34 28 56.7 17.5 GVEN020104
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurer P.
Bacci. 0.60-m f/4.0 reflector + CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.50-m f/4.5 Reflector + CMO.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, J. Robinson,
R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
240701 T08 10- 0- 240702 104 10- 2- E2024-JR7 -1.41 days
Orbital elements:
2019 NJ Earth MOID = 0.0171 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 271.75815 (2000.0) P Q
n 0.78858171 Peri. 23.53438 +0.49871687 +0.80766737
a 1.1603035 Node 277.74318 -0.83711441 +0.35470297
e 0.1166717 Incl. 18.50973 -0.22476863 +0.47101935
P 1.25 H 23.61 G 0.15 U 1
Residuals in seconds of arc
190627 703 0.1- 0.0 190701 L01 0.1- 0.1+ 190702 246 (2.5+ 0.9+)
190627 703 0.5- 0.3- 190701 L01 0.1+ 0.1- 190702 K88 0.2- 0.2-
190701 703 0.2+ 0.2+ 190701 L01 0.2- 0.0 190702 246 (2.7+ 0.8-)
190701 703 (1.5+ 1.0-) 190701 L01 0.2+ 0.1+ 190702 246 (3.0+ 1.3+)
190701 703 0.4+ 0.3+ 190701 J95 0.2+ 0.2- 190702 K88 0.2+ 0.1-
190701 I52 0.1- 0.0 190701 J95 0.0 0.1- 190702 160 0.2+ 0.3+
190701 I52 0.2+ 0.3- 190701 J95 0.3- 0.1- 190702 Z80 0.4- 0.5+
190701 I52 0.1+ 0.2+ 190701 J95 0.2+ 0.1+ 190702 160 0.1- 0.5-
190701 I52 0.1+ 0.2- 190702 W34 0.1- 0.4+ 190702 160 0.3- 0.5-
190701 I52 0.0 0.1+ 190702 W34 0.2+ 0.1+ 190702 160 0.3- 0.3+
190701 I52 0.3+ 0.0 190702 W34 0.2+ 0.3- 190702 160 0.4- 0.0
190701 I52 0.1+ 0.0 190702 W34 0.4- 0.2- 190702 Z80 0.7- 0.6+
190701 I52 0.1+ 0.2- 190702 I52 0.3- 0.2+ 190702 Z80 0.4- 0.3-
190701 033 0.3+ 0.1+ 190702 I52 0.2+ 0.6- 240701 T08 0.2+ 0.6-
190701 033 0.1+ 0.1+ 190702 I52 0.1- 0.3+ 240701 T08 0.1+ 0.4+
190701 033 0.0 0.3- 190702 I52 0.1+ 0.0 240701 T08 0.2- 0.2+
190701 033 0.0 0.0 190702 K41 1.6+ 0.7- 240701 T08 0.1- 0.5+
190701 J69 0.0 0.7- 190702 K41 0.5+ 0.4- 240702 958 0.1- 0.5+
190701 J69 0.4+ 0.2+ 190702 K41 0.2+ 0.4+ 240702 958 1.1+ 1.1+
190701 J69 0.0 0.2+ 190702 104 0.3- 0.1+ 240702 958 0.2- 0.8+
190701 L01 0.2+ 0.3+ 190702 104 0.0 0.2- 240702 104 0.4- 0.9-
190701 L01 0.2- 0.1- 190702 104 0.0 0.2+ 240702 104 0.5- 0.3-
190701 L01 0.1- 0.3+ 190702 K88 0.0 0.1+ 240702 104 0.1- 0.4-
190701 L01 0.2+ 0.0 190702 246 0.6+ 0.0
Ephemeris:
2019 NJ a,e,i = 1.16, 0.12, 19 q = 1.0249
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 06 03 00 45 01.7 -74 42 28 0.1479 1.0601 104.1 68.1 22.0
...
2024 06 18 23 41 10.0 -56 59 56 0.06980 1.0421 110.2 66.2 20.3
...
2024 06 26 22 54 37.2 -18 29 41 0.04023 1.0349 116.2 61.8 18.9
...
2024 07 02 22 17 30.0 +28 50 27 0.04460 1.0307 107.1 70.5 19.4
2024 07 03 22 11 17.5 +34 41 06 0.04779 1.0301 105.0 72.5 19.6
2024 07 04 22 05 06.3 +39 43 28 0.05143 1.0295 103.0 74.2 19.8
...
2024 07 10 21 29 03.8 +57 59 20 0.07848 1.0268 95.2 80.4 21.0
...
2024 07 18 20 46 16.6 +67 32 12 0.1192 1.0249 90.8 82.5 21.9
...
2024 08 02 19 45 03.3 +73 28 18 0.1938 1.0270 88.1 81.0 22.9
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-N20
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