[Iaude] MPEC E154: 2022 EH4 [a=0.85,e=0.29,i=1.9,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Mar 10 02:37:59 EST 2022


M.P.E.C. 2022-E154                               Issued 2022 March 10, 07:36 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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 EH4                                    


Observations:
     K22E04H* C2022 03 08.27362610 12 02.10 -12 32 21.1          20.88GVEE154G96
     K22E04H  C2022 03 08.27878310 11 59.46 -12 32 09.5          21.05GVEE154G96
     K22E04H  C2022 03 08.28391010 11 56.70 -12 31 56.9          21.50GVEE154G96
     K22E04H  C2022 03 08.28903610 11 54.06 -12 31 45.1          20.74GVEE154G96
     K22E04H KC2022 03 08.35141210 11 21.32 -12 29 18.2          21.22GVEE154I52
     K22E04H KC2022 03 08.36260410 11 15.47 -12 28 51.5          19.77GVEE154I52
     K22E04H KC2022 03 08.56312210 09 37.61 -12 19 09.0          20.6 GVEE154474
     K22E04H KC2022 03 08.56551810 09 36.38 -12 19 02.5          20.9 GVEE154474
     K22E04H KC2022 03 08.56791410 09 35.12 -12 18 56.8          21.0 GVEE154474
     K22E04H KC2022 03 08.57031210 09 33.88 -12 18 51.1          21.0 GVEE154474
     K22E04H 1C2022 03 08.94090 10 06 32.97 -12 06 22.0          20.7 VXEE154033
     K22E04H 1C2022 03 08.94252 10 06 32.12 -12 06 18.1          21.3 VXEE154033
     K22E04H 1C2022 03 08.94413 10 06 31.29 -12 06 14.0          21.4 VXEE154033
     K22E04H KC2022 03 09.25177810 04 00.02 -11 53 29.3          21.16GVEE154I52
     K22E04H KC2022 03 09.25393510 03 58.89 -11 53 23.6          20.80GVEE154I52
     K22E04H KC2022 03 09.25609210 03 57.73 -11 53 18.7          21.08GVEE154I52
     K22E04H KC2022 03 09.49078510 02 00.94 -11 41 43.7          20.8 GVEE154474
     K22E04H KC2022 03 09.49318210 01 59.69 -11 41 38.0          20.8 GVEE154474
     K22E04H KC2022 03 09.49558010 01 58.41 -11 41 32.1          20.5 GVEE154474
     K22E04H bC2022 03 09.89786009 58 39.82 -11 26 51.3          20.8 GVEE154L01
     K22E04H bC2022 03 09.90132709 58 38.08 -11 26 42.4          20.6 GVEE154L01
     K22E04H bC2022 03 09.90479309 58 36.25 -11 26 33.3          21.4 GVEE154L01
     K22E04H bC2022 03 09.91318709 58 31.84 -11 26 13.4          20.6 GVEE154L01
     K22E04H HC2022 03 09.92981 09 58 23.51 -11 25 31.6                VEE154204
     K22E04H KC2022 03 09.95302 09 58 11.31 -11 24 32.7          21.2 GVEE154204
     K22E04H KC2022 03 10.13745609 56 42.22 -11 16 34.4          20.7 VuEE154H21
     K22E04H KC2022 03 10.14025409 56 40.76 -11 16 26.9          20.6 VuEE154H21
     K22E04H KC2022 03 10.14165309 56 40.05 -11 16 23.8          20.9 VuEE154H21
     K22E04H KC2022 03 10.14305209 56 39.33 -11 16 19.8          20.6 VuEE154H21
     K22E04H KC2022 03 10.14585009 56 37.88 -11 16 12.9          20.5 VuEE154H21

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
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.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
    G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
    Groeller, 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.
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 H. Groeller.  Measurers
    E. J. Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
    Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2022 EH4                                                 Earth MOID = 0.0203 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 144.78096              (2000.0)            P               Q                  
n   1.26373027     Peri.   82.65746     +0.89236108     +0.45025576             
a   0.8472920      Node   250.57827     -0.42596877     +0.81753891             
e   0.2884791      Incl.    1.88413     -0.14913857     +0.35902629             
P   0.78           H   24.99          G   0.15           U   7                  
Residuals in seconds of arc
220308 G96  0.3-  0.2-    220308 033  0.3+  0.4+    220309 L01  0.5+  0.7+
220308 G96  0.7+  0.6-    220308 033  0.2+  0.3+    220309 L01  0.3+  1.0+
220308 G96  0.3-  0.2+    220308 033  0.3+  0.6+    220309 L01  0.3+  0.4-
220308 G96  0.5+  0.1+    220309 I52  0.1+  0.1-    220309 204  0.3+  0.2-
220308 I52  0.1-  0.1+    220309 I52  0.2+  0.2+    220309 204  0.2-  0.4-
220308 I52  0.3-  0.2+    220309 I52  0.1-  0.1-    220310 H21  0.9-  0.1+
220308 474  0.0   0.5-    220309 474  0.1-  0.1+    220310 H21  0.7-  0.5+
220308 474  0.1+  0.3+    220309 474  0.0   0.2-    220310 H21  0.3-  0.1+
220308 474  0.1-  0.2+    220309 474  0.3-  0.2-    220310 H21  0.1-  0.5+
220308 474  0.1-  0.2+    220309 L01  0.6-  0.5+    220310 H21  0.2+  0.4+

Ephemeris:
2022 EH4                 a,e,i = 0.85, 0.29, 2                   q = 0.6029
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 02 08    12 33 42.2 -16 37 15   0.1675  1.0882   123.7    49.0    23.1
...
2022 02 23    11 43 47.4 -17 16 08   0.1196  1.0908   146.3    30.2    21.9
...
2022 03 03    10 53 24.3 -15 18 33   0.1012  1.0855   157.7    20.3    21.2
...
2022 03 09    10 06 04.5 -12 02 38   0.09339 1.0786   155.8    22.1    21.1
2022 03 10    09 57 49.2 -11 21 15   0.09266 1.0772   154.3    23.6    21.1
2022 03 11    09 49 32.9 -10 37 49   0.09209 1.0757   152.4    25.3    21.1
...
2022 03 17    09 01 27.0 -05 49 02   0.09203 1.0654   138.4    38.3    21.5
...
2022 03 25    08 07 30.4 +00 36 55   0.09929 1.0476   118.2    57.0    22.1
...
2022 04 09    07 01 49.0 +09 25 53   0.1234  1.0023    86.9    86.0    23.5

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-E154




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