[Iaude] MPEC U74: 2001 SL264 [a=2.14,e=0.40,i=5.3,H=20.13]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Oct 18 09:55:29 EDT 2023
M.P.E.C. 2023-U74 Issued 2023 October 18, 13:53 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
2001 SL264
Revision to MPEC 2009-K2
Additional Observations:
K01SQ4L C2023 10 11.48020004 13 35.881+21 19 35.78 21.78wXEU074F52
K01SQ4L C2023 10 11.50459504 13 34.944+21 19 41.81 21.78wXEU074F52
K01SQ4L C2023 10 11.51681904 13 34.468+21 19 44.82 21.74wXEU074F52
K01SQ4L C2023 10 16.45712304 10 05.668+21 37 38.75 22.40GVEU074V00
K01SQ4L C2023 10 16.46208304 10 05.898+21 37 41.70 22.01wXEU074F51
K01SQ4L C2023 10 16.46262604 10 05.362+21 37 40.04 22.27GVEU074V00
K01SQ4L C2023 10 16.46348304 10 05.827+21 37 42.03 22.00wXEU074F51
K01SQ4L C2023 10 16.46812304 10 05.070+21 37 40.98 21.96GVEU074V00
K01SQ4L C2023 10 16.47364504 10 04.760+21 37 42.10 21.85GVEU074V00
K01SQ4L C2023 10 16.47441604 10 05.234+21 37 44.14 21.63wXEU074F51
K01SQ4L C2023 10 16.47583804 10 05.162+21 37 44.53 22.08wXEU074F51
K01SQ4L C2023 10 16.48677704 10 04.570+21 37 46.77 22.05wXEU074F51
K01SQ4L C2023 10 16.48820904 10 04.481+21 37 46.98 21.87wXEU074F51
K01SQ4L C2023 10 16.49919704 10 03.891+21 37 49.41 22.06wXEU074F51
K01SQ4L C2023 10 16.50067904 10 03.815+21 37 49.76 21.98wXEU074F51
K01SQ4L C2023 10 16.62798704 09 56.877+21 38 14.37 21.76GVEU074F52
K01SQ4L KC2023 10 17.24277 04 09 26.29 +21 40 11.1 21.8 RVEU074291
K01SQ4L KC2023 10 17.24853 04 09 25.94 +21 40 12.5 VEU074291
K01SQ4L KC2023 10 17.25431 04 09 25.65 +21 40 13.4 22.2 RVEU074291
K01SQ4L KC2023 10 17.30271204 09 22.72 +21 40 22.7 21.8 VuEU074H21
K01SQ4L KC2023 10 17.30954504 09 22.34 +21 40 24.4 22.1 VuEU074H21
K01SQ4L KC2023 10 18.30559 04 08 28.96 +21 43 32.0 21.9 RVEU074691
K01SQ4L KC2023 10 18.31976 04 08 28.10 +21 43 34.8 VEU074691
K01SQ4L KC2023 10 18.33392 04 08 27.28 +21 43 37.4 21.8 RVEU074691
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith, P. Minguez. Measurers K. Chambers, S. Chastel, T. de Boer, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, C. E.
Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231011 F52 2.04+ 0.66+ 231018 691 2.16+ 0.68+ E2023-R03 +2.96 days
Orbital elements:
2001 SL264 Earth MOID = 0.2888 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Bell
M 29.15318 (2000.0) P Q
n 0.31538948 Peri. 280.86807 +0.75606535 +0.65194173
a 2.1374924 Node 38.48204 -0.55836884 +0.68855027
e 0.3998178 Incl. 5.32671 -0.34145192 +0.31760119
P 3.13 H 20.13 G 0.15 U 2
Residuals in seconds of arc
010911 699 0.7- 0.0 011008 644 0.2+ 0.2+ 231016 F51 0.1- 0.1-
010911 699 0.9+ 0.6+ 011016 644 0.1+ 0.0 231016 F51 0.0 0.0
010911 699 1.2+ 0.4+ 011016 644 0.1+ 0.1+ 231016 F51 0.0 0.0
010911 699 0.2- 0.3+ 011016 644 0.1+ 0.1- 231016 F51 0.2- 0.1-
010924 644 0.0 0.1+ 011017 644 0.1- 0.1+ 231016 F51 0.1- 0.1+
010924 644 0.3+ 0.2+ 011017 644 0.1+ 0.4+ 231016 F51 0.0 0.1+
010924 644 0.2+ 0.4- 231011 F52 0.1- 0.1- 231016 F52 0.0 0.0
010925 704 0.9- 0.6+ 231011 F52 0.2- 0.0 231017 291 0.1+ 0.2+
010925 704 0.3- 0.1- 231011 F52 0.2- 0.0 231017 291 0.4- 0.4+
010925 704 0.1- 0.6- 231016 V00 0.2+ 0.2- 231017 291 0.0 0.0
010926 704 0.2- 0.3- 231016 F51 0.1- 0.1+ 231017 H21 0.1+ 0.3-
010926 704 0.4- 0.5- 231016 V00 0.1+ 0.1+ 231017 H21 0.1+ 0.1+
010926 704 0.5- 0.1- 231016 F51 0.0 0.1+ 231018 691 0.3+ 0.2+
011008 644 0.4+ 0.3- 231016 V00 0.1+ 0.0 231018 691 0.1- 0.2+
011008 644 0.1+ 0.1+ 231016 V00 0.0 0.0 231018 691 0.1+ 0.1+
Ephemeris:
2001 SL264 a,e,i = 2.14, 0.40, 5 q = 1.2829
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 18 04 12 08.8 +19 19 13 0.9020 1.5619 109.8 37.2 22.4
...
2023 10 03 04 16 28.0 +20 42 12 0.8553 1.6350 123.3 30.8 22.2
...
2023 10 11 04 13 51.7 +21 17 42 0.8359 1.6752 131.7 26.4 22.1
...
2023 10 17 04 09 38.3 +21 39 27 0.8257 1.7056 138.5 22.8 22.0
2023 10 18 04 08 45.4 +21 42 38 0.8245 1.7107 139.7 22.1 21.9
2023 10 19 04 07 49.5 +21 45 40 0.8234 1.7158 140.9 21.5 21.9
...
2023 10 25 04 01 17.7 +22 00 47 0.8202 1.7464 148.3 17.4 21.8
...
2023 11 02 03 50 33.8 +22 12 07 0.8263 1.7874 158.6 11.7 21.7
...
2023 11 17 03 27 55.3 +22 06 28 0.8762 1.8643 176.7 1.8 21.4
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U74
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