MPEC 2022-O24 : 2017 JL2
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M.P.E.C. 2022-O24 Issued 2022 July 22, 14:04 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
2017 JL2
Revision to MPEC 2017-J60
Additional Observations:
K17J02L C2022 06 25.49174519 24 37.263+26 32 04.24 23.40GVEO024T12
K17J02L C2022 07 20.34315318 29 11.406+28 15 05.14 23.19GVEO024T14
K17J02L C2022 07 20.34748218 29 10.840+28 15 03.42 23.13GVEO024T14
K17J02L 1C2022 07 20.97848018 27 52.003+28 10 35.78 23.0 GVEO024Z84
K17J02L 1C2022 07 21.09515518 27 37.131+28 09 43.11 23.2 GVEO024Z84
K17J02L C2022 07 21.38596018 27 01.810+28 07 39.06 23.35GVEO024T14
K17J02L C2022 07 21.38740218 27 01.625+28 07 38.41 23.30GVEO024T14
K17J02L C2022 07 21.38884918 27 01.439+28 07 37.72 23.26GVEO024T14
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT). Observers H. Januszewski, C.
Wipper. Measurer D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306
pixels Megacam.
Z84 Calar Alto-Schmidt. Observers M. Micheli, R. Kresken, E. Petrescu, E.
Schwab, L. Conversi, D. Koschny. Measurer M. Micheli. 0.8-m f/3 Schmidt
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220625 T12 0.14+ 0.02+ 220721 T14 0.14+ 0.05+ MPO410024 +0.18 days
Orbital elements:
2017 JL2 Earth MOID = 0.0673 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 215.42958 (2000.0) P Q
n 0.81789728 Peri. 249.53727 -0.19966569 -0.95723595
a 1.1324096 Node 214.20501 +0.97887202 -0.18524504
e 0.3953730 Incl. 21.86551 +0.04408155 -0.22222425
P 1.21 H 21.58 G 0.15 U 2
Residuals in seconds of arc
170428 G96 0.3- 0.1- 170508 H21 0.0 0.3+ 170601 H21 0.1+ 0.4+
170428 G96 0.2- 0.1+ 170508 H21 0.2- 0.1- 170601 H21 0.4- 0.3+
170428 G96 0.0 0.1+ 170508 H21 0.0 0.1- 170602 H21 0.1- 0.2+
170504 F51 0.0 0.1+ 170515 G96 0.0 0.2+ 170602 H21 0.2- 0.5+
170504 F51 0.2- 0.0 170515 G96 0.5+ 0.1- 170602 H21 0.2+ 0.4+
170504 F51 0.3- 0.1+ 170515 G96 0.2+ 0.3+ 170603 H21 0.1- 0.4+
170505 807 0.2- 0.1- 170516 H21 0.1- 0.6- 170603 H21 0.2+ 0.6+
170505 807 0.8+ 0.6- 170516 H21 0.8- 0.2- 170603 H21 0.1+ 0.5+
170505 807 0.3+ 0.2- 170517 705 0.6+ 0.1- 220625 T12 0.0 0.0
170505 H01 0.1+ 0.0 170517 705 0.2+ 0.0 220720 T14 0.0 0.0
170505 H01 0.1+ 0.1- 170517 705 0.2- 0.3- 220720 T14 0.0 0.0
170505 H01 0.1+ 0.0 170525 I52 0.2- 0.5+ 220720 Z84 0.1+ 0.1-
170505 H01 0.0 0.0 170525 I52 0.9+ 0.3- 220721 Z84 0.0 0.2-
170506 291 0.5- 0.3+ 170525 I52 0.5- 0.7- 220721 T14 0.0 0.0
170506 291 0.1+ 0.0 170530 F51 0.3- 0.1- 220721 T14 0.0 0.0
170507 H21 0.0 0.4+ 170530 F51 0.1- 0.2- 220721 T14 0.0 0.0
170507 H21 0.3- 0.7+ 170530 F51 0.1- 0.0
170507 H21 0.1- 0.6+ 170601 H21 0.8- 0.2-
Ephemeris:
2017 JL2 a,e,i = 1.13, 0.40, 22 q = 0.6847
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 06 22 19 31 29.6 +25 35 42 0.7489 1.5796 126.3 31.2 23.3
...
2022 07 07 18 59 10.0 +28 28 03 0.7265 1.5776 128.9 30.1 23.2
...
2022 07 15 18 40 47.8 +28 39 04 0.7271 1.5723 128.0 30.6 23.2
...
2022 07 21 18 27 49.6 +28 10 29 0.7328 1.5663 126.4 31.5 23.2
2022 07 22 18 25 47.0 +28 02 51 0.7342 1.5651 126.1 31.7 23.2
2022 07 23 18 23 47.0 +27 54 27 0.7357 1.5639 125.7 31.8 23.2
...
2022 07 29 18 12 45.9 +26 48 58 0.7469 1.5556 123.2 33.1 23.3
...
2022 08 06 18 01 09.8 +24 48 19 0.7672 1.5420 119.2 35.0 23.4
...
2022 08 21 17 49 47.2 +19 59 58 0.8170 1.5082 110.7 38.9 23.6
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-O24
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