MPEC 2023-H220 : 2023 GB4
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M.P.E.C. 2023-H220 Issued 2023 April 27, 16:43 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
2023 GB4
Observations:
K23G04B C2023 03 27.56016014 56 47.932-00 53 22.84 21.93GVEH220F52
K23G04B C2023 03 27.57231414 56 48.372-00 53 01.88 22.01GVEH220F52
K23G04B C2023 03 27.58442614 56 48.790-00 52 40.76 21.85GVEH220F52
K23G04B* C2023 04 15.53743615 04 57.108+10 37 16.66 21.22wUEH220F52
K23G04B C2023 04 15.54889615 04 57.185+10 37 46.54 20.93wUEH220F52
K23G04B C2023 04 15.56033615 04 57.263+10 38 15.89 21.08wUEH220F52
K23G04B C2023 04 15.57174715 04 57.333+10 38 45.51 21.08wUEH220F52
K23G04B 1C2023 04 16.38193015 05 06.644+11 13 56.78 20.65GVEH220G96
K23G04B 1C2023 04 16.38708915 05 06.666+11 14 10.21 20.78GVEH220G96
K23G04B 1C2023 04 16.39226115 05 06.709+11 14 24.14 20.64GVEH220G96
K23G04B 1C2023 04 16.39743215 05 06.731+11 14 37.64 20.56GVEH220G96
K23G04B 1C2023 04 27.33584015 05 36.683+19 38 08.34 20.49GVEH220G96
K23G04B 1C2023 04 27.34098815 05 36.636+19 38 22.85 20.75GVEH220G96
K23G04B 1C2023 04 27.34611315 05 36.604+19 38 37.64 20.70GVEH220G96
K23G04B 1C2023 04 27.35125715 05 36.546+19 38 51.90 20.65GVEH220G96
K23G04B C2023 04 27.39321115 05 36.067+19 40 51.02 20.8 GVEH220H01
K23G04B C2023 04 27.39610815 05 36.041+19 40 59.23 20.8 GVEH220H01
K23G04B C2023 04 27.40665015 05 35.939+19 41 29.13 20.7 GVEH220H01
K23G04B C2023 04 27.41412515 05 35.875+19 41 50.31 20.7 GVEH220H01
K23G04B 1C2023 04 27.42125715 05 36.541+19 42 14.59 21.58GVEH220T12
K23G04B 1C2023 04 27.42254715 05 36.520+19 42 18.43 21.12GVEH220T12
K23G04B 1C2023 04 27.42471715 05 36.501+19 42 24.42 21.36GVEH220T12
K23G04B KC2023 04 27.44523015 05 35.639+19 43 18.91 20.70GVEH220I52
K23G04B KC2023 04 27.44808415 05 35.592+19 43 27.44 20.90GVEH220I52
K23G04B KC2023 04 27.45256315 05 35.574+19 43 39.86 20.62GVEH220I52
K23G04B KC2023 04 27.45378015 05 35.545+19 43 42.96 21.04GVEH220I52
Observer details:
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, K. Chambers, T. de Boer, H. Gao,
C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers J. K. Hogan, J. B. Fazekas. 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. 1.5-m
reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. 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.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer Y.
Ramanjooloo. Measurers R. Weryk, Y. Ramanjooloo, R. Wainscoat. 2.24-m
University of Hawaii reflector + CCD.
Orbital elements:
2023 GB4 Earth MOID = 0.3624 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 325.98339 (2000.0) P Q
n 0.22663937 Peri. 105.37807 +0.35259123 +0.93484558
a 2.6642756 Node 185.80158 -0.93534193 +0.35343724
e 0.5677771 Incl. 24.39572 +0.02854635 +0.03385060
P 4.35 H 20.15 G 0.15 U 5
Residuals in seconds of arc
230327 F52 0.1- 0.1+ 230416 G96 0.1+ 0.2+ 230427 H01 0.0 0.1-
230327 F52 0.1+ 0.1- 230416 G96 0.0 0.1+ 230427 T12 0.0 0.0
230327 F52 0.0 0.1- 230427 G96 0.1+ 0.1- 230427 T12 0.1- 0.1+
230415 F52 0.0 0.0 230427 G96 0.2+ 0.3- 230427 T12 0.0 0.1-
230415 F52 0.0 0.2+ 230427 G96 0.4+ 0.0 230427 I52 0.1+ 0.1-
230415 F52 0.0 0.1- 230427 G96 0.3+ 0.4- 230427 I52 0.2- 0.4+
230415 F52 0.2- 0.0 230427 H01 0.0 0.0 230427 I52 0.0 0.1+
230416 G96 0.0 0.1- 230427 H01 0.0 0.0 230427 I52 0.2- 0.2-
230416 G96 0.1- 0.2- 230427 H01 0.1- 0.0
Ephemeris:
2023 GB4 a,e,i = 2.66, 0.57, 24 q = 1.1516
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 28 14 57 05.0 -00 40 30 0.8562 1.7530 141.9 20.6 22.0
...
2023 04 12 15 04 06.2 +08 08 21 0.7020 1.6447 149.1 18.2 21.4
...
2023 04 20 15 05 34.9 +13 55 35 0.6422 1.5878 148.5 19.3 21.2
...
2023 04 26 15 05 41.4 +18 34 53 0.6079 1.5458 145.5 21.6 21.1
2023 04 27 15 05 38.0 +19 22 14 0.6031 1.5389 144.8 22.1 21.1
2023 04 28 15 05 33.5 +20 09 41 0.5984 1.5320 144.1 22.7 21.0
...
2023 05 04 15 04 45.6 +24 53 30 0.5755 1.4910 139.0 26.3 21.0
...
2023 05 12 15 03 03.5 +30 55 47 0.5563 1.4380 131.1 32.0 21.0
...
2023 05 27 15 00 19.5 +40 20 06 0.5445 1.3454 116.2 42.5 21.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H220
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