MPEC 2023-H169 : 2023 HH4
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M.P.E.C. 2023-H169 Issued 2023 April 25, 01:02 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 HH4
Observations:
K23H04H*1C2023 04 22.36951215 07 09.030+45 01 15.20 21.27GVEH169G96
K23H04H 1C2023 04 22.37543415 07 07.939+45 01 14.70 21.33GVEH169G96
K23H04H 1C2023 04 22.38093315 07 06.895+45 01 13.58 21.59GVEH169G96
K23H04H C2023 04 22.40554815 07 02.192+45 01 11.16 21.2 GVEH169H01
K23H04H C2023 04 22.40880815 07 01.590+45 01 10.79 21.9 GVEH169H01
K23H04H C2023 04 22.41974815 06 59.545+45 01 09.70 21.8 GVEH169H01
K23H04H C2023 04 22.42678815 06 58.235+45 01 08.95 22.0 GVEH169H01
K23H04H KC2023 04 22.44819315 06 54.342+45 01 07.46 22.30GVEH169I52
K23H04H KC2023 04 22.45363115 06 53.514+45 01 06.35 VEH169I52
K23H04H KC2023 04 22.45635715 06 52.808+45 01 05.63 21.15GVEH169I52
K23H04H 1C2023 04 23.19981215 04 42.784+44 59 46.75 21.84GVEH169G96
K23H04H 1C2023 04 23.20354515 04 42.028+44 59 48.34 20.83GVEH169G96
K23H04H KC2023 04 24.20418915 01 35.681+44 56 46.82 21.57GVEH169I52
K23H04H KC2023 04 24.20727615 01 35.044+44 56 47.58 21.39GVEH169I52
K23H04H KC2023 04 24.21036515 01 34.468+44 56 47.51 21.99GVEH169I52
K23H04H KC2023 04 24.26293515 01 23.03 +44 56 37.8 21.6 VuEH169H21
K23H04H KC2023 04 24.26855115 01 21.92 +44 56 36.5 21.7 VuEH169H21
K23H04H KC2023 04 24.27463415 01 20.69 +44 56 34.9 22.0 VuEH169H21
Observer details:
G96 Mt. Lemmon Survey. Observers D. Rankin, E. Beshore. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, 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.
Orbital elements:
2023 HH4 Earth MOID = 0.0563 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 273.62719 (2000.0) P Q
n 0.61303114 Peri. 225.95342 +0.25410145 +0.89016048
a 1.3724010 Node 62.40862 -0.71954705 +0.43529602
e 0.2683429 Incl. 25.26135 -0.64628515 -0.13465402
P 1.61 H 22.00 G 0.15 U 9
Residuals in seconds of arc
230422 G96 0.2- 0.1+ 230422 H01 0.0 0.2+ 230424 I52 0.3+ 1.4-
230422 G96 0.0 0.1+ 230422 I52 0.0 0.1+ 230424 I52 0.1+ 0.2-
230422 G96 0.1- 0.6- 230422 I52 2.0+ 0.3- 230424 I52 0.5+ 0.2+
230422 H01 0.0 0.1+ 230422 I52 0.1- 0.7- 230424 H21 0.4- 0.3+
230422 H01 0.1+ 0.1+ 230423 G96 0.1- 0.1- 230424 H21 0.1- 0.3+
230422 H01 0.0 0.1+ 230423 G96 (0.6- 1.7+) 230424 H21 0.0 0.1+
Ephemeris:
2023 HH4 a,e,i = 1.37, 0.27, 25 q = 1.0041
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 26 15 41 22.1 +40 48 49 0.5407 1.3332 117.0 41.8 22.9
...
2023 04 10 15 32 49.4 +43 55 54 0.4339 1.2721 119.4 43.3 22.4
...
2023 04 18 15 18 32.3 +44 54 04 0.3789 1.2394 120.4 44.3 22.1
...
2023 04 24 15 02 12.9 +44 57 32 0.3389 1.2151 121.0 45.2 21.8
2023 04 25 14 58 59.8 +44 53 20 0.3324 1.2111 121.0 45.4 21.8
2023 04 26 14 55 37.9 +44 47 30 0.3260 1.2071 121.1 45.5 21.7
...
2023 05 02 14 32 27.4 +43 31 25 0.2882 1.1833 121.3 46.7 21.4
...
2023 05 10 13 54 20.9 +39 19 47 0.2419 1.1525 120.9 48.7 21.1
...
2023 05 25 12 32 08.4 +19 12 06 0.1801 1.0993 114.4 57.1 20.5
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H169
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