MPEC 2023-H22 : 2023 GR2
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M.P.E.C. 2023-H22 Issued 2023 April 17, 11:06 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 GR2
Observations:
K23G02R* C2023 04 12.27856308 28 15.395+26 43 51.67 21.95GVEH022V00
K23G02R C2023 04 12.28354808 28 16.792+26 43 48.68 22.06GVEH022V00
K23G02R C2023 04 12.28850908 28 18.152+26 43 45.62 21.76GVEH022V00
K23G02R C2023 04 12.29346808 28 19.517+26 43 42.46 22.05GVEH022V00
K23G02R KC2023 04 13.08551308 31 56.95 +26 35 40.0 22.2 VuEH022H21
K23G02R KC2023 04 13.09393308 31 59.13 +26 35 34.7 22.3 VuEH022H21
K23G02R KC2023 04 13.09954608 32 00.59 +26 35 31.5 22.2 VuEH022H21
K23G02R KC2023 04 13.10394108 32 01.76 +26 35 28.2 22.2 VuEH022H21
K23G02R KC2023 04 14.08730608 36 20.43 +26 25 19.4 21.9 VuEH022H21
K23G02R KC2023 04 14.09599808 36 22.60 +26 25 14.4 22.1 VuEH022H21
K23G02R KC2023 04 14.09947508 36 23.49 +26 25 11.9 22.4 VuEH022H21
K23G02R KC2023 04 15.21081 08 41 02.26 +26 13 34.0 21.6 RVEH022691
K23G02R KC2023 04 15.24290 08 41 10.11 +26 13 12.7 21.3 RVEH022691
K23G02R KC2023 04 15.27516 08 41 17.85 +26 12 51.4 22.6 RVEH022691
K23G02R KC2023 04 16.15691808 44 49.900+26 03 32.64 21.9 GVEH022H01
K23G02R C2023 04 16.16130208 44 50.905+26 03 29.94 21.5 GVEH022H01
K23G02R C2023 04 16.17152308 44 53.283+26 03 23.13 22.0 GVEH022H01
K23G02R C2023 04 16.17815108 44 54.818+26 03 18.86 21.5 GVEH022H01
K23G02R KC2023 04 17.14586 08 48 38.51 +25 53 00.9 23.2 RoEH022291
K23G02R KC2023 04 17.15470 08 48 40.46 +25 52 55.0 oEH022291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer A. F. Tubbiolo.
0.9-m f/3 reflector + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD,
1.3-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, 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, R. S. McMillan, D. Rankin, R. L. Seaman, A.
Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
CCD.
Orbital elements:
2023 GR2 PHA, Earth MOID = 0.0078 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 3.33682 (2000.0) P Q
n 0.20767851 Peri. 244.17482 +0.75057938 -0.64971290
a 2.8240671 Node 155.75485 +0.66077912 +0.73835031
e 0.8905580 Incl. 17.05420 -0.00124602 +0.18086448
P 4.75 H 20.31 G 0.15 U 9
Residuals in seconds of arc
230412 V00 0.0 0.1- 230413 H21 0.4- 0.5- 230416 H01 0.1+ 0.1-
230412 V00 0.2+ 0.0 230414 H21 0.3+ 0.2+ 230416 H01 0.1- 0.1+
230412 V00 0.0 0.1+ 230414 H21 0.1- 0.7+ 230416 H01 0.0 0.1-
230412 V00 0.1- 0.0 230414 H21 0.0 0.3+ 230416 H01 0.0 0.1-
230413 H21 0.6+ 0.2- 230415 691 0.3- 0.6+ 230417 291 0.4- 0.3-
230413 H21 0.1- 0.2- 230415 691 0.9+ 0.1+ 230417 291 0.7- 0.5-
230413 H21 0.5- 0.1+ 230415 691 0.1- 0.1-
Ephemeris:
2023 GR2 a,e,i = 2.82, 0.89, 17 q = 0.3091
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 18 04 23 57.7 +21 07 36 0.3675 0.9411 70.9 87.5 21.1
...
2023 04 02 07 25 24.7 +27 59 56 0.5510 1.1996 97.1 55.7 21.4
...
2023 04 10 08 17 04.5 +27 06 14 0.7047 1.3274 100.7 47.8 22.0
...
2023 04 16 08 44 12.8 +26 05 15 0.8306 1.4193 101.0 43.9 22.4
2023 04 17 08 48 05.4 +25 54 36 0.8522 1.4343 100.9 43.4 22.4
2023 04 18 08 51 48.9 +25 43 54 0.8740 1.4492 100.8 42.9 22.5
...
2023 04 24 09 11 32.8 +24 39 28 1.0072 1.5369 99.6 40.2 22.8
...
2023 05 02 09 32 49.2 +23 15 13 1.1905 1.6497 96.9 37.3 23.3
...
2023 05 17 10 03 56.1 +20 45 25 1.5449 1.8492 90.2 33.1 24.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H22
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