[Iaude] MPEC K53: 2021 KE1 [a=1.48,e=0.32,i=3.3,H=26.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 20 09:54:39 EDT 2021


M.P.E.C. 2021-K53                                  Issued 2021 May 20, 13:53 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

                                    2021 KE1                                    


Observations:
     K21K01E* C2021 05 18.40696516 47 24.95 +00 41 27.8          22.02GVEK053V00
     K21K01E  C2021 05 18.41186716 47 26.80 +00 41 27.6          22.05GVEK053V00
     K21K01E  C2021 05 18.41674316 47 28.64 +00 41 27.5          22.16GVEK053V00
     K21K01E  C2021 05 18.42163616 47 30.51 +00 41 27.5                VEK053V00
     K21K01E KC2021 05 18.43890516 47 36.73 +00 41 23.7          22.0 GVEK053H01
     K21K01E KC2021 05 18.44594416 47 39.44 +00 41 23.7          21.7 GVEK053H01
     K21K01E KC2021 05 18.45281216 47 42.09 +00 41 23.4          21.3 GVEK053H01
     K21K01E KC2021 05 18.45595 16 47 43.64 +00 41 27.3                oEK053291
     K21K01E KC2021 05 18.45997 16 47 45.19 +00 41 27.0                oEK053291
     K21K01E KC2021 05 18.46082116 47 45.19 +00 41 23.4          22.2 GVEK053H01
     K21K01E  C2021 05 18.52583916 48 15.143+00 41 49.05         22.70GVEK053F51
     K21K01E  C2021 05 18.53936016 48 20.248+00 41 49.26         21.17GVEK053F51
     K21K01E KC2021 05 19.39359 16 54 38.47 +00 40 59.0          21.3 RoEK053291
     K21K01E KC2021 05 19.39806 16 54 40.33 +00 40 59.1          22.0 RoEK053291
     K21K01E KC2021 05 19.40250 16 54 42.19 +00 40 58.7          21.6 RoEK053291
     K21K01E  C2021 05 20.36587517 02 25.33 +00 39 30.5          20.9 GVEK053H01
     K21K01E  C2021 05 20.37017517 02 27.28 +00 39 30.0          22.8 GVEK053H01
     K21K01E  C2021 05 20.38088317 02 32.15 +00 39 28.8          21.4 GVEK053H01
     K21K01E  C2021 05 20.39192017 02 37.17 +00 39 27.3          21.3 GVEK053H01

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + 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.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  2.25-m reflector + CCD.

Orbital elements:
2021 KE1                                                 Earth MOID = 0.0008 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 254.76332              (2000.0)            P               Q                  
n   0.55006144     Peri.  194.82221     +0.16678747     +0.98437082             
a   1.4752374      Node    84.80275     -0.89875608     +0.17536014             
e   0.3150176      Incl.    3.25425     -0.40548667     +0.01621440             
P   1.79           H   26.57          G   0.15           U   8                  
Residuals in seconds of arc
210518 V00  0.0   0.2+    210518 291  0.0   0.2-    210519 291  0.2+  0.1-
210518 V00  0.1-  0.0     210518 291  0.0   0.5-    210520 H01  0.0   0.0
210518 V00  0.1-  0.1-    210518 H01  0.2-  0.1-    210520 H01  0.0   0.1+
210518 V00  0.0   0.0     210518 F51  0.2+  0.1-    210520 H01  0.1+  0.1+
210518 H01  0.2+  0.0     210518 F51  0.1+  0.2+    210520 H01  0.0   0.1-
210518 H01  0.1+  0.1+    210519 291  0.3-  0.3-
210518 H01  0.1-  0.1-    210519 291  0.1-  0.0

Ephemeris:
2021 KE1                 a,e,i = 1.48, 0.32, 3                   q = 1.0105
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 20    15 20 06.1 -01 50 37   0.1927  1.1832   155.9    20.3    24.4
...
2021 05 05    15 49 23.9 -00 08 55   0.1212  1.1218   157.9    19.7    23.2
...
2021 05 13    16 17 03.7 +00 31 42   0.08928 1.0928   156.4    21.7    22.6
...
2021 05 19    16 51 42.6 +00 42 24   0.06832 1.0733   153.5    24.9    22.0
2021 05 20    16 59 25.6 +00 41 23   0.06514 1.0702   152.8    25.6    22.0
2021 05 21    17 07 52.9 +00 39 20   0.06206 1.0672   151.9    26.5    21.9
...
2021 05 27    18 19 00.9 -00 01 45   0.04646 1.0507   143.0    35.4    21.5
...
2021 06 04    20 55 15.1 -02 16 45   0.03889 1.0326   116.8    61.3    21.8
...
2021 06 19    00 18 28.1 -04 16 43   0.06816 1.0126    85.2    91.0    24.0

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K53




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