MPEC 2023-H75 : 2022 WW8
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2023-H74
Read MPEC 2023-H76
M.P.E.C. 2023-H75 Issued 2023 April 18, 14:17 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2022 WW8
Revision to MPEC 2022-W265
Additional Observations:
K22W08W C2011 12 26.21876 04 57 25.65 +25 09 47.0 VEH075G96
K22W08W C2011 12 26.23377 04 57 23.41 +25 09 54.3 22.2 GVEH075G96
K22W08W &C2015 01 24.05186501 20 37.42 -29 44 20.3 22.6 iWEH075W84
K22W08W &C2015 01 24.05323501 20 37.52 -29 44 18.1 22.3 zWEH075W84
K22W08W C2015 12 02.42918604 55 55.721+05 10 33.17 22.17GVEH075F51
K22W08W C2015 12 02.44209604 55 54.364+05 10 35.38 22.56GVEH075F51
K22W08W C2015 12 03.39643904 54 15.719+05 13 54.59 22.35GVEH075F51
K22W08W KC2016 01 13.37187303 53 11.901+09 18 56.31 23.26GVEH075F51
K22W08W KC2016 01 31.25852903 41 21.827+11 42 57.30 23.07GVEH075F51
K22W08W KC2017 12 14.39175104 15 22.540-01 02 19.84 23.73GVEH075F51
K22W08W KC2018 01 05.24755103 46 49.659+01 42 07.11 23.53GVEH075F51
K22W08W C2019 12 20.35044303 48 46.355-07 21 53.81 22.81GVEH075F51
K22W08W C2019 12 20.36155603 48 45.455-07 21 47.74 23.09GVEH075F51
K22W08W C2020 09 27.61940607 54 21.788+27 52 05.85 22.71GVEH075F51
K22W08W C2020 09 27.62327707 54 22.211+27 52 07.52 22.66GVEH075F51
K22W08W C2020 10 18.59229508 32 38.102+30 48 25.36 22.16GVEH075F51
K22W08W C2020 10 18.59293908 32 38.182+30 48 26.00 21.80GVEH075F51
K22W08W C2020 10 18.60197208 32 39.219+30 48 31.70 22.48GVEH075F51
K22W08W C2020 10 18.62136508 32 41.481+30 48 44.69 22.23GVEH075F51
K22W08W C2020 12 02.36816 10 44 13.26 +46 36 23.0 21.1 GVEH075G96
K22W08W C2020 12 02.37340 10 44 14.88 +46 36 34.0 21.6 GVEH075G96
K22W08W C2020 12 02.37867 10 44 16.52 +46 36 45.1 21.2 GVEH075G96
K22W08W C2020 12 02.56231710 45 14.130+46 43 17.21 21.64GVEH075F51
K22W08W C2020 12 02.59079410 45 22.970+46 44 18.17 21.09GVEH075F51
K22W08W C2020 12 02.61385810 45 30.157+46 45 07.51 20.79GVEH075F51
K22W08W KC2021 09 10.61071605 25 55.563-12 24 27.17 23.67GVEH075F52
K22W08W &C2021 09 16.34264805 26 16.17 -13 07 14.6 24.2 gWEH075W84
K22W08W C2021 10 28.50476604 54 48.574-18 20 48.40 22.93GVEH075F51
K22W08W C2021 10 28.52567604 54 46.643-18 20 54.66 23.16GVEH075F51
K22W08W KC2021 10 31.47131904 50 16.653-18 33 56.69 23.14GVEH075F52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers A. Boattini, G. J. Leonard. Measurers B.
Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + CCD, 1.5-m reflector +
10K CCD.
W84 Cerro Tololo-DECam. Observers E. Krause, M. March, J. Carballo, W. Cerny,
V. Manwadkar. Measurer S. Deen. 4.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
111226 G96 46.6+ 82.8+ 211031 F52 6.3+ 5.1+ MPO727307 +0.02 days
Orbital elements:
2022 WW8 Earth MOID = 0.5552 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 331.96648 (2000.0) P Q
n 0.45645492 Peri. 158.98164 -0.36122422 +0.55012288
a 1.6705935 Node 81.95913 -0.92660756 -0.12129810
e 0.7366910 Incl. 49.49871 -0.10447727 -0.82622732
P 2.16 H 18.89 G 0.15 U 1
Residuals in seconds of arc
111226 G96 0.2+ 0.3- 201202 G96 0.1+ 0.2- 221127 V06 0.4+ 0.2+
111226 G96 0.2+ 0.1- 201202 F51 0.2+ 0.1+ 221128 V06 0.5+ 0.1-
150124 W84 0.1- 0.3+ 201202 F51 0.0 0.0 221128 V06 0.2+ 0.1+
150124 W84 0.4- 0.2+ 201202 F51 0.1+ 0.1- 221128 V06 0.1+ 0.0
151202 F51 0.2- 0.1+ 210910 F52 0.1- 0.3- 221128 V06 0.0 0.5-
151202 F51 0.2- 0.3- 210916 W84 0.0 0.3+ 221129 V06 0.4+ 0.0
151203 F51 0.0 0.1+ 211028 F51 0.3+ 0.0 221129 V06 0.2- 0.2+
160113 F51 0.2- 0.2- 211028 F51 0.1- 0.1- 221212 033 0.1- 0.0
160131 F51 0.0 0.2+ 211031 F52 0.1+ 0.2+ 221212 033 0.3- 0.2+
171214 F51 0.1- 0.4+ 221126 G96 0.7- 0.1- 221213 033 0.2- 0.5+
180105 F51 0.2- 0.1+ 221126 G96 0.2+ 0.2+ 221219 I52 0.0 0.3-
191220 F51 0.1+ 0.1- 221126 G96 0.2+ 0.2- 221219 I52 0.1- 0.2+
191220 F51 0.2+ 0.1+ 221126 G96 0.3- 0.1- 221219 I52 0.4+ 0.2-
200927 F51 0.3- 0.1- 221126 V06 0.1- 0.2- 221223 033 0.0 0.2-
200927 F51 0.1+ 0.1+ 221126 V06 0.1- 0.1+ 221223 033 0.5+ 0.1+
201018 F51 0.1- 0.2- 221126 V06 0.1- 0.6+ 230109 I52 0.0 0.2+
201018 F51 0.1- 0.0 221127 033 0.6+ 1.1+ 230109 I52 0.6- 0.3-
201018 F51 0.2- 0.2- 221127 033 0.4+ 0.5- 230109 I52 0.2+ 0.3-
201018 F51 0.0 0.1+ 221127 033 0.4+ 0.2- 230211 I52 0.1+ 0.1-
201202 G96 0.2+ 0.3+ 221127 V06 0.1- 0.7+ 230211 I52 0.0 0.1+
201202 G96 0.1+ 0.0 221127 V06 0.4+ 0.4- 230211 I52 0.1+ 0.2-
Ephemeris:
2022 WW8 a,e,i = 1.67, 0.74, 49 q = 0.4399
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 01 26 46.9 +49 26 13 0.9532 0.8898 54.3 65.3 20.8
...
2023 04 03 01 05 57.4 +46 26 58 0.8576 0.6736 41.7 80.5 20.5
...
2023 04 11 00 52 07.8 +41 45 42 0.7816 0.5644 34.1 94.8 20.5
...
2023 04 17 00 43 57.8 +35 08 39 0.7253 0.4957 27.8 109.1 20.8
2023 04 18 00 43 09.2 +33 42 14 0.7173 0.4862 26.8 111.6 20.9
2023 04 19 00 42 34.3 +32 09 48 0.7100 0.4774 25.7 114.0 21.0
...
2023 04 25 00 45 09.7 +21 06 34 0.6875 0.4432 21.4 124.2 21.5
...
2023 05 03 01 06 37.9 +05 26 53 0.7355 0.4569 24.6 113.3 20.9
...
2023 05 18 02 10 53.8 -10 02 52 0.9788 0.6197 36.2 74.7 20.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H75
Read MPEC 2023-H74
Read MPEC 2023-H76
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)