[Iaude] MPEC S134: 1998 WR5 [a=2.57,e=0.51,i=28.3,H=18.75]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Sep 20 22:05:53 EDT 2023
M.P.E.C. 2023-S134 Issued 2023 September 21, 02:04 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
1998 WR5
Revision to MPEC 1998-W31
Additional Observations:
J98W05R C2023 09 16.61003607 00 23.169+32 52 34.71 21.67wXES134F51
J98W05R C2023 09 16.61557407 00 23.973+32 52 27.84 21.63wXES134F51
J98W05R C2023 09 16.62110307 00 24.801+32 52 21.04 21.64wXES134F51
J98W05R C2023 09 16.62664507 00 25.593+32 52 14.17 21.68wXES134F51
J98W05R 1C2023 09 17.13007 07 01 40.08 +32 41 39.3 21.3 VXES134033
J98W05R 1C2023 09 17.13365 07 01 40.62 +32 41 34.8 21.7 VXES134033
J98W05R 1C2023 09 17.13724 07 01 41.13 +32 41 30.4 21.2 VXES134033
J98W05R KC2023 09 20.46898207 09 37.832+31 30 41.87 21.98GVES134I52
J98W05R KC2023 09 20.47089607 09 38.092+31 30 39.20 22.00GVES134I52
J98W05R KC2023 09 20.47280007 09 38.315+31 30 37.66 21.71GVES134I52
J98W05R KC2023 09 20.47470107 09 38.646+31 30 34.56 22.11GVES134I52
J98W05R C2023 09 20.59936507 09 55.904+31 27 54.68 21.96wXES134F51
J98W05R C2023 09 20.60495707 09 56.656+31 27 47.33 21.84wXES134F51
J98W05R C2023 09 20.61053407 09 57.429+31 27 40.47 21.73wXES134F51
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, F. Ludwig, M. Hartmann, B. Stecklum. Measurer B. Stecklum.
1.34-m f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
K. W. Wierzchos. 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230916 F51 7+ 11+ 230920 F51 6+ 11+ MPO739982 +21.8 days
Orbital elements:
1998 WR5 Earth MOID = 0.4199 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 10.96009 (2000.0) P Q
n 0.23862745 Peri. 118.64269 +0.86299477 -0.20544833
a 2.5742800 Node 256.50467 +0.09655411 +0.96381205
e 0.5140408 Incl. 28.33713 +0.49590053 +0.16987442
P 4.13 H 18.75 G 0.15 U 2
Residuals in seconds of arc
981119 704 0.5- 1.1+ 981123 704 0.9- 1.6- 981215 426 0.5+ 0.6-
981119 704 0.1- 0.7- 981123 704 0.3- 1.0- 981215 426 0.1+ 1.0+
981119 704 0.4- 1.2- 981123 704 1.1+ 1.3- 981215 426 0.5- 0.3+
981119 704 1.8- 0.5+ 981123 704 2.8- 1.9+ 981217 402 0.1- 0.3-
981120 557 1.1+ 0.1- 981123 704 1.7- 1.7+ 981217 402 0.3+ 0.2-
981120 557 0.8+ 0.3- 981123 557 0.1- 0.8+ 981217 402 0.3+ 0.0
981120 557 0.6+ 0.1- 981123 557 0.0 1.2+ 230916 F51 0.1- 0.1+
981121 611 0.3- 1.1+ 981123 557 0.1- 0.6+ 230916 F51 0.2- 0.1+
981121 611 1.2- 0.8+ 981123 046 0.4+ 0.9+ 230916 F51 0.0 0.1+
981121 611 0.0 0.1+ 981123 046 0.6- 1.8+ 230916 F51 0.2- 0.1+
981121 587 1.1+ 0.5- 981123 046 0.8+ 1.2+ 230917 033 0.1- 0.2+
981122 118 0.4- 0.5+ 981123 046 1.6+ 2.5+ 230917 033 0.2+ 0.1+
981122 118 0.2- 0.1- 981126 402 1.5+ 0.9- 230917 033 0.0 0.2+
981123 704 1.5- 1.1- 981126 402 0.6+ 0.7+ 230920 I52 0.2+ 0.2-
981123 704 0.4+ 1.4+ 981126 402 1.0+ 0.3- 230920 I52 0.2+ 0.4-
981123 704 1.9+ 1.0+ 981128 402 0.1+ 0.3- 230920 I52 0.3- 0.4+
981123 704 1.6+ 1.1- 981128 402 0.0 0.2- 230920 I52 0.6+ 0.2-
981123 704 1.1- 0.2+ 981128 402 0.1- 0.1+ 230920 F51 0.1- 0.0
981123 704 0.3- 0.5- 981212 402 1.0- 0.7+ 230920 F51 0.2- 0.2-
981123 704 2.1- 0.4- 981212 402 0.7- 0.0 230920 F51 0.0 0.1+
981123 704 0.0 1.3- 981212 402 0.5- 0.5-
Ephemeris:
1998 WR5 a,e,i = 2.57, 0.51, 28 q = 1.2510
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 22 05 42 05.7 +40 22 32 1.3599 1.2783 63.2 45.0 21.7
...
2023 09 06 06 31 34.2 +36 21 37 1.3351 1.3213 67.0 44.6 21.7
...
2023 09 14 06 53 45.4 +33 46 20 1.3171 1.3512 69.7 44.3 21.7
...
2023 09 20 07 08 32.0 +31 40 50 1.3013 1.3764 72.0 44.0 21.7
2023 09 21 07 10 50.7 +31 19 16 1.2985 1.3808 72.4 43.9 21.7
2023 09 22 07 13 06.8 +30 57 32 1.2956 1.3852 72.8 43.8 21.7
...
2023 09 28 07 25 50.3 +28 43 52 1.2773 1.4132 75.6 43.4 21.7
...
2023 10 06 07 40 30.2 +25 38 04 1.2501 1.4532 79.6 42.6 21.7
...
2023 10 21 08 00 57.9 +19 31 56 1.1921 1.5353 88.7 40.4 21.7
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S134
More information about the Iaude
mailing list