MPEC 2023-H85 : 2023 HL1
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M.P.E.C. 2023-H85 Issued 2023 April 18, 17:06 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 HL1
Observations:
K23H01L C2023 04 09.57832615 10 45.118+50 50 40.72 21.96GVEH085F52
K23H01L C2023 04 09.58797015 10 35.901+50 50 59.09 21.31GVEH085F52
K23H01L C2023 04 09.59753515 10 26.929+50 51 16.41 20.91GVEH085F52
K23H01L C2023 04 09.60714415 10 17.735+50 51 33.75 21.17GVEH085F52
K23H01L*KC2023 04 17.06244 13 09 47.31 +51 15 38.7 20.4 GVEH085W16
K23H01L KC2023 04 17.06955 13 09 40.00 +51 15 27.2 20.9 GVEH085W16
K23H01L KC2023 04 17.07657 13 09 32.66 +51 15 17.7 19.9 GVEH085W16
K23H01L KC2023 04 17.08359 13 09 25.39 +51 15 07.1 20.1 GVEH085W16
K23H01L KC2023 04 17.20380 13 07 17.74 +51 11 34.2 20.5 GVEH085W16
K23H01L KC2023 04 17.21437 13 07 06.45 +51 11 12.4 20.4 GVEH085W16
K23H01L KC2023 04 17.22492 13 06 55.23 +51 10 50.7 20.5 GVEH085W16
K23H01L KC2023 04 17.23061413 06 55.210+51 10 38.14 20.67GVEH085I52
K23H01L KC2023 04 17.23352813 06 52.103+51 10 32.74 20.75GVEH085I52
K23H01L KC2023 04 17.23643213 06 48.964+51 10 27.26 20.80GVEH085I52
K23H01L KC2023 04 17.23933013 06 45.896+51 10 21.72 20.96GVEH085I52
K23H01L KC2023 04 17.26167 13 06 18.28 +51 09 20.4 20.6 VqEH085734
K23H01L KC2023 04 17.26787 13 06 11.83 +51 09 07.3 20.5 VqEH085734
K23H01L KC2023 04 17.27389 13 06 05.68 +51 08 54.8 21.1 VqEH085734
K23H01L KC2023 04 17.93019112 55 35.117+50 42 49.90 20.5 GVEH085J95
K23H01L KC2023 04 17.93500412 55 30.233+50 42 38.45 20.5 GVEH085J95
K23H01L KC2023 04 17.93997812 55 25.210+50 42 27.14 20.2 GVEH085J95
K23H01L KC2023 04 18.12705812 52 31.07 +50 34 48.1 20.9 VuEH085H21
K23H01L KC2023 04 18.13265212 52 25.38 +50 34 35.4 20.8 VuEH085H21
K23H01L KC2023 04 18.13294012 52 30.083+50 34 25.97 20.74GVEH085I52
K23H01L KC2023 04 18.13473712 52 28.283+50 34 22.48 20.66GVEH085I52
K23H01L KC2023 04 18.13653312 52 26.494+50 34 18.26 20.76GVEH085I52
K23H01L KC2023 04 18.13832812 52 24.647+50 34 15.31 20.51GVEH085I52
K23H01L KC2023 04 18.13899112 52 18.88 +50 34 20.3 20.8 VuEH085H21
K23H01L 6C2023 04 18.14874912 51 51.833+50 33 14.39 20.8 GVEH085Z84
K23H01L 6C2023 04 18.15738312 51 43.309+50 32 46.87 20.9 GVEH085Z84
Observer details:
734 Farpoint Observatory, Eskridge. Observers D. Cromer, G. Hug, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.70-m f/3.0 reflector + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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. 1.0-m prime focus + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
W16 Pleasant Groves Observatory. Observer M. Holbrook. 0.36-m f/2.2
reflector + CCD.
Z84 Calar Alto-Schmidt. Observers M. Micheli, R. Kresken. Measurers R.
Kresken, M. Micheli, F. Ocana, L. Conversi. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2023 HL1 Earth MOID = 0.0060 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 112.98268 (2000.0) P Q
n 1.26441965 Peri. 332.87953 +0.89096559 -0.44864119
a 0.8469840 Node 53.95042 +0.43072648 +0.78625300
e 0.2166004 Incl. 4.96756 +0.14371858 +0.42488505
P 0.78 H 25.09 G 0.15 U 7
Residuals in seconds of arc
230409 F52 0.0 0.0 230417 W16 0.6+ 0.3+ 230417 J95 (0.5+ 1.0+)
230409 F52 0.4- 0.2+ 230417 I52 0.1+ 0.2- 230418 H21 0.3- 0.1-
230409 F52 0.6+ 0.1- 230417 I52 0.1+ 0.1- 230418 H21 0.1+ 0.2+
230409 F52 0.2- 0.0 230417 I52 0.3- 0.0 230418 I52 0.1- 0.3-
230417 W16 0.0 0.0 230417 I52 0.0 0.0 230418 I52 0.1+ 0.0
230417 W16 0.6+ 1.1- 230417 734 0.8- 0.0 230418 I52 0.3+ 0.4-
230417 W16 0.1+ 0.1- 230417 734 0.6+ 0.6+ 230418 I52 0.0 0.4+
230417 W16 0.6+ 0.1- 230417 734 (2.9+ 1.6+) 230418 H21 0.1+ 0.1+
230417 W16 0.3- 0.3- 230417 J95 0.5- 0.2+ 230418 Z84 0.2+ 0.1-
230417 W16 0.1- 0.3- 230417 J95 0.1- 0.3+ 230418 Z84 0.0 0.1+
Ephemeris:
2023 HL1 a,e,i = 0.85, 0.22, 5 q = 0.6635
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 17 45 28.1 +31 46 24 0.08491 1.0017 91.8 83.3 22.7
...
2023 04 03 16 27 00.8 +45 16 57 0.06324 1.0227 109.8 66.8 21.5
...
2023 04 11 14 49 39.9 +51 33 38 0.05583 1.0285 117.1 60.1 21.0
...
2023 04 17 13 10 37.7 +51 17 45 0.05410 1.0303 118.2 59.1 20.9
2023 04 18 12 54 26.4 +50 40 00 0.05419 1.0304 117.9 59.4 21.0
2023 04 19 12 38 50.5 +49 53 04 0.05439 1.0304 117.5 59.8 21.0
...
2023 04 25 11 22 22.7 +42 56 23 0.05775 1.0293 112.5 64.5 21.2
...
2023 05 03 10 22 44.0 +32 07 09 0.06668 1.0244 102.6 73.8 21.8
...
2023 05 18 09 32 13.7 +16 55 19 0.08952 1.0050 83.4 91.5 23.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H85
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