MPEC 2023-H118 : 2023 HN2
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M.P.E.C. 2023-H118 Issued 2023 April 21, 11:38 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 HN2
Observations:
K23H02N* C2023 04 17.34700612 09 38.529-29 56 28.00 20.15wUEH118F52
K23H02N C2023 04 17.35851012 09 41.013-29 55 38.43 20.22wUEH118F52
K23H02N C2023 04 17.38152812 09 45.983-29 53 59.30 20.07wUEH118F52
K23H02N 6C2023 04 17.96202112 11 57.508-29 12 23.81 20.5 GVEH118Z84
K23H02N 6C2023 04 17.96508912 11 58.165-29 12 10.69 19.8 GVEH118Z84
K23H02N |C2023 04 18.02287 12 12 12.59 -29 07 33.4 20.0 VuEH118807
K23H02N |C2023 04 18.02778 12 12 13.64 -29 07 11.8 19.9 VuEH118807
K23H02N |C2023 04 18.03270 12 12 14.67 -29 06 51.5 19.7 VuEH118807
K23H02N KC2023 04 18.15859212 12 42.664-28 58 17.54 19.92GVEH118I52
K23H02N KC2023 04 18.15941812 12 42.829-28 58 14.48 19.50GVEH118I52
K23H02N KC2023 04 18.16024612 12 43.027-28 58 10.16 19.76GVEH118I52
K23H02N KC2023 04 18.16107512 12 43.200-28 58 07.18 19.79GVEH118I52
K23H02N KC2023 04 18.45854 12 13 49.09 -28 36 25.9 20.2 VqEH118E23
K23H02N KC2023 04 18.47712 12 13 52.92 -28 35 07.3 qEH118E23
K23H02N KC2023 04 18.49558 12 13 56.84 -28 33 48.3 20.4 VqEH118E23
K23H02N KC2023 04 18.51039012 13 59.41 -28 32 39.6 19.2 RcEH118474
K23H02N KC2023 04 18.51394812 14 00.17 -28 32 24.4 19.1 RcEH118474
K23H02N KC2023 04 18.51750512 14 00.91 -28 32 09.3 19.1 RcEH118474
K23H02N KC2023 04 21.16842 12 23 24.00 -25 26 47.4 20.4 VqEH118734
K23H02N KC2023 04 21.17316 12 23 24.91 -25 26 28.8 19.7 VqEH118734
K23H02N KC2023 04 21.17790 12 23 25.85 -25 26 09.1 19.8 VqEH118734
K23H02N mC2023 04 21.22855012 23 36.035-25 22 38.53 VEH118I52
K23H02N mC2023 04 21.24989312 23 40.153-25 21 10.66 20.32GVEH118I52
K23H02N !C2023 04 21.28314 12 23 46.72 -25 18 53.6 19.7 RVEH118673
K23H02N mC2023 04 21.28423312 23 46.734-25 18 47.92 21.04GVEH118I52
K23H02N mC2023 04 21.28643312 23 47.105-25 18 39.35 19.76GVEH118I52
K23H02N !C2023 04 21.29020 12 23 48.13 -25 18 23.7 19.9 RVEH118673
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observers D. Cromer, G. Hug, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.70-m f/3.0 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. B. Fazekas, R. A.
Kowalski. 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.
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 HN2 Earth MOID = 0.2864 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 358.65697 (2000.0) P Q
n 0.20239202 Peri. 300.46659 -0.91258837 -0.34035556
a 2.8730319 Node 220.88052 +0.37516440 -0.91736408
e 0.5979005 Incl. 20.25527 -0.16258578 -0.20640069
P 4.87 H 21.10 G 0.15 U 9
Residuals in seconds of arc
230417 F52 0.0 0.0 230418 I52 0.3- 0.5- 230421 734 0.2+ 0.6+
230417 F52 0.0 0.1+ 230418 I52 0.1- 0.3+ 230421 734 0.1+ 0.3-
230417 F52 0.0 0.1- 230418 I52 0.1- 0.2- 230421 734 0.4+ 0.1-
230417 Z84 0.1+ 0.2+ 230418 E23 0.5+ 0.3+ 230421 I52 0.0 0.1-
230417 Z84 0.1+ 0.1+ 230418 E23 0.5- 0.2- 230421 I52 0.2+ 0.2-
230418 807 0.3+ 0.3- 230418 E23 0.1+ 0.1+ 230421 673 0.3- 0.2+
230418 807 0.2+ 0.5+ 230418 474 0.1- 0.1+ 230421 I52 0.1- 0.6+
230418 807 0.1- 0.2- 230418 474 0.0 0.0 230421 I52 0.8- 0.1+
230418 I52 0.2- 0.0 230418 474 0.2- 0.2- 230421 673 0.4+ 0.9+
Ephemeris:
2023 HN2 a,e,i = 2.87, 0.60, 20 q = 1.1552
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 22 09 50 28.4 -54 54 48 0.3083 1.1773 119.1 47.7 20.7
...
2023 04 06 11 18 15.9 -43 12 39 0.2866 1.2256 137.0 33.8 20.2
...
2023 04 14 11 56 11.2 -33 58 15 0.2942 1.2609 147.6 25.2 20.1
...
2023 04 20 12 19 21.3 -26 47 35 0.3113 1.2910 153.8 20.1 20.1
2023 04 21 12 22 49.1 -25 38 03 0.3152 1.2963 154.5 19.5 20.1
2023 04 22 12 26 10.6 -24 29 37 0.3193 1.3017 155.2 18.9 20.2
...
2023 04 28 12 44 21.0 -18 08 43 0.3500 1.3354 156.8 17.2 20.4
...
2023 05 06 13 04 16.3 -11 18 07 0.4051 1.3839 153.9 18.7 20.8
...
2023 05 21 13 33 07.0 -03 19 26 0.5443 1.4832 143.0 24.3 21.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H118
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