[Iaude] MPEC U84: 2022 HR [a=1.33,e=0.09,i=22.8,H=21.44]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Oct 18 10:19:21 EDT 2023


M.P.E.C. 2023-U84                              Issued 2023 October 18, 14:17 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2022 HR                                     


                           Revision to MPEC 2022-H35                            

Additional Observations:
     K22H00R  C2019 04 02.48294 14 57 46.952-11 44 41.20         21.9 wUEU084F51
     K22H00R  C2019 04 02.49524 14 57 45.509-11 44 59.91         21.9 wUEU084F51
     K22H00R  C2019 04 02.50758 14 57 44.039-11 45 19.47         21.9 wUEU084F51
     K22H00R ;C2019 05 13.97042 12 58 07.71 -27 58 40.8          21.7 iVEU084W84
     K22H00R ;C2019 05 13.97181 12 58 07.50 -27 58 42.0          22.0 iVEU084W84

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
W84 Cerro Tololo-DECam.  Observer .  Measurer P. VanWylen.  4.0-m reflector +
    CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
190402 F51 0.08- 0.07-    190513 W84 0.07- 0.09-    MPO691453   +0.02 days

Orbital elements:
2022 HR                                                  Earth MOID = 0.2104 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 129.94353              (2000.0)            P               Q                  
n   0.64222786     Peri.    6.64546     +0.83304520     -0.52372300             
a   1.3304849      Node    27.37000     +0.48804305     +0.54409422             
e   0.0938769      Incl.   22.80414     +0.26047969     +0.65549652             
P   1.53           H   21.44          G   0.15           U   2                  
Residuals in seconds of arc
190402 F51  0.0   0.2-    220424 Y00  0.7+  1.5-    220427 G84  1.2-  0.2+
190402 F51  0.1+  0.3+    220424 Y00  0.7+  0.1+    220427 H21  0.1-  0.4-
190402 F51  0.0   0.1-    220424 Y00  0.4+  0.2-    220427 G84  0.2-  1.1+
190513 W84  0.2-  0.4+    220425 I52  0.1-  0.2+    220429 I52  0.2+  0.6-
190513 W84  0.2-  0.3+    220425 I52  0.3+  0.1+    220429 I52  0.0   0.1-
220421 F52  0.2+  0.2-    220425 I52  0.6-  0.1-    220429 I52  0.1-  0.4-
220421 F52  0.1+  0.2-    220425 I52  0.1+  0.3-    220501 807  0.2+  0.6-
220421 F52  0.2-  0.6-    220425 033  0.2+  0.1+    220501 807  0.1-  0.3-
220422 807  0.3-  0.3-    220425 033  0.2+  0.1-    220502 807  0.3+  0.7-
220422 807  0.3+  0.5-    220425 033  0.2+  0.6-    220502 H21  0.8+  0.2-
220422 807  0.3-  0.2-    220426 I52  0.2+  1.0-    220502 H21  0.8+  0.1-
220422 H01  0.1+  0.2-    220426 I52  0.0   0.4-    220502 H21  0.9+  0.1+
220422 H01  0.1+  0.1-    220426 I52  0.2+  0.4-    220502 H21  0.9+  0.1-
220422 H01  0.1+  0.3-    220426 I52  0.1-  0.9-    220502 H21  0.9+  0.3-
220422 H01  0.1+  0.3-    220427 H21  0.0   0.6-    220502 H21  0.4+  0.2+
220423 H21  0.0   0.9-    220427 H21  0.2-  0.4-    220503 291  0.7+  0.3+
220423 H21  0.0   1.4-    220427 H21  0.1+  0.6-    220503 291  0.3+  0.8-
220423 H21  0.2+  1.0-    220427 G84  0.4-  1.0+    220506 V06  0.4-  0.3-
220423 I52  0.6-  0.3+    220427 H21  0.1-  0.9-    220506 V06  0.3-  0.9-
220423 I52  0.1-  1.7+    220427 G84  1.3-  0.3-
220423 I52  0.6-  0.0     220427 H21  0.1-  0.6-

Ephemeris:
2022 HR                  a,e,i = 1.33, 0.09, 23                  q = 1.2056
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 18    11 55 30.4 +08 16 09   2.4130  1.4216     7.2     5.1    24.5
...
2023 10 03    12 32 15.3 +02 29 09   2.4249  1.4338     6.1     4.3    24.5
...
2023 10 11    12 51 35.5 -00 34 27   2.4261  1.4393     6.8     4.7    24.6
...
2023 10 17    13 06 04.4 -02 50 53   2.4244  1.4429     7.7     5.3    24.6
2023 10 18    13 08 29.4 -03 13 29   2.4239  1.4434     7.9     5.5    24.6
2023 10 19    13 10 54.4 -03 36 03   2.4233  1.4440     8.1     5.6    24.6
...
2023 10 25    13 25 26.4 -05 50 26   2.4185  1.4470     9.5     6.5    24.7
...
2023 11 02    13 44 58.7 -08 46 42   2.4086  1.4503    11.6     7.9    24.7
...
2023 11 17    14 22 28.9 -14 05 59   2.3785  1.4543    16.1    10.9    24.8

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U84




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