[Iaude] MPEC A69: 2019 YG2 [a=0.86,e=0.21,i=16.1,H=25.27]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Jan 7 09:16:53 EST 2024
M.P.E.C. 2024-A69 Issued 2024 January 7, 14:15 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 YG2
Revision to MPEC 2019-Y73
Additional Observations:
K19Y02G KC2023 12 29.20381004 07 06.660+27 50 12.30 20.41GVEA069I52
K19Y02G KC2023 12 29.20857704 07 03.020+27 50 57.60 20.17GVEA069I52
K19Y02G KC2023 12 29.21112004 07 01.060+27 51 22.00 19.82GVEA069I52
K19Y02G KC2023 12 29.21366604 06 59.070+27 51 46.00 20.33GVEA069I52
K19Y02G C2024 01 01.20904 03 32 12.06 +34 48 19.3 21.4 GVEA069I52
K19Y02G C2024 01 01.21761 03 32 05.97 +34 49 19.3 21.0 GVEA069I52
K19Y02G C2024 01 01.22189 03 32 02.95 +34 49 49.5 21.0 GVEA069I52
K19Y02G 0C2024 01 05.32457802 50 30.725+41 21 04.52 22.65GVEA069T12
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls, G. J.
Leonard. Measurers E. C. Beshore, 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, F. C. Shelly, K. W.
Wierzchos, B. Gray. 1.0-m prime focus + CCD, 1.0-m f/2.0 prime focus +
CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231229 I52 0.80+ 0.53+ 240105 T12 0.32+ 0.60+ MPO782680 +0.08 days
Orbital elements:
2019 YG2 Earth MOID = 0.0607 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 58.36348 (2000.0) P Q
n 1.23144265 Peri. 174.77656 -0.03159562 +0.96056177
a 0.8620384 Node 93.20939 -0.92675300 +0.07536611
e 0.2143015 Incl. 16.06334 -0.37434022 -0.26765842
P 0.80 H 25.27 G 0.15 U 1
Residuals in seconds of arc
191221 G96 0.6+ 0.2- 191221 033 0.2- 0.1- 191229 204 0.2- 0.4+
191221 G96 0.0 0.4+ 191221 033 0.5- 0.0 191229 204 0.3- 0.0
191221 G96 0.2- 0.4+ 191221 033 0.3- 0.0 191229 204 0.2+ 0.2+
191221 I52 0.1- 0.8- 191221 033 0.5- 0.2- 200103 V06 0.5- 0.6-
191221 I52 0.1- 0.3- 191222 711 0.3- 0.1- 200103 V06 0.3- 0.1+
191221 I52 0.7+ 0.8- 191222 711 0.2- 0.1+ 200103 V06 0.2+ 0.2+
191221 I52 0.1+ 0.6+ 191222 711 0.1- 0.2+ 200103 V06 (9.9- 8.2+)
191221 033 0.4- 0.2- 191222 H21 0.6+ 0.1+ 231229 I52 0.3- 0.2+
191221 033 0.3- 0.2- 191222 H21 0.8+ 0.2+ 231229 I52 0.3+ 0.2-
191221 033 0.7- 0.3- 191222 H21 0.8+ 0.0 231229 I52 0.3+ 0.1-
191221 033 0.4- 0.2- 191222 H01 0.2+ 0.0 231229 I52 0.0 0.4-
191221 033 0.1- 0.3- 191222 H01 0.1+ 0.1+ 240101 I52 0.1- 0.4+
191221 033 0.3- 0.1+ 191222 H01 0.1+ 0.1- 240101 I52 0.1- 0.2-
191221 J04 0.0 0.1+ 191222 H01 0.1- 0.3- 240101 I52 0.1+ 0.1-
191221 J04 0.0 0.0 191222 J95 0.5+ 0.2- 240105 T12 0.3+ 0.3-
191221 033 0.3- 0.0 191222 J95 1.0+ 0.6+
Ephemeris:
2019 YG2 a,e,i = 0.86, 0.21, 16 q = 0.6773
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 08 07 28 01.6 -25 24 14 0.1071 1.0421 119.5 55.4 22.5
...
2023 12 23 05 22 40.8 +08 06 32 0.06599 1.0466 162.0 16.9 20.4
...
2023 12 31 03 45 54.3 +32 14 41 0.07614 1.0437 141.1 36.2 21.2
...
2024 01 06 02 44 31.6 +42 08 57 0.09612 1.0391 123.2 52.3 22.2
2024 01 07 02 36 00.1 +43 14 03 0.09999 1.0381 120.8 54.4 22.3
2024 01 08 02 27 58.3 +44 12 08 0.1040 1.0371 118.6 56.4 22.5
...
2024 01 14 01 49 14.6 +48 16 02 0.1291 1.0298 107.5 65.6 23.2
...
2024 01 22 01 16 20.3 +51 14 39 0.1634 1.0168 96.9 73.9 24.0
...
2024 02 06 00 42 11.3 +54 15 24 0.2222 0.9833 82.8 84.2 24.9
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-A69
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