[Iaude] MPEC K92: 2001 MY7 [a=2.91,e=0.64,i=20.6,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 28 15:40:20 EDT 2021


M.P.E.C. 2021-K92                                  Issued 2021 May 28, 19:38 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

                                    2001 MY7                                    


                           Revision to MPEC 2001-M38                            

Additional Observations:
     K01M07Y  C2021 05 17.54271216 09 02.260+21 59 16.32         21.44GVEK092F51
     K01M07Y  C2021 05 17.55506016 09 01.514+21 59 17.62         23.05GVEK092F51
     K01M07Y  C2021 05 17.56739916 09 00.815+21 59 19.30         22.00GVEK092F51
     K01M07Y  C2021 05 17.57971316 09 00.090+21 59 20.76         22.09GVEK092F51
     K01M07Y  C2021 05 18.35850016 08 19.22 +22 00 49.6          21.99GVEK092G96
     K01M07Y  C2021 05 18.36363616 08 18.92 +22 00 50.2          21.80GVEK092G96
     K01M07Y  C2021 05 18.36876416 08 18.60 +22 00 50.9          21.05GVEK092G96
     K01M07Y  C2021 05 18.37389916 08 18.26 +22 00 52.0          22.56GVEK092G96
     K01M07Y  C2021 05 26.45872315 59 31.765+21 42 51.28         21.92wUEK092F51
     K01M07Y  C2021 05 26.47306015 59 30.550+21 42 45.42         21.82wUEK092F51
     K01M07Y  C2021 05 26.48741415 59 29.339+21 42 39.40         21.89wUEK092F51
     K01M07Y  C2021 05 26.50197915 59 28.115+21 42 33.38         21.39wUEK092F51
     K01M07Y DC2021 05 28.35527 15 57 02.97 +21 27 53.1          21.5 RoEK092695
     K01M07Y DC2021 05 28.37044 15 57 01.63 +21 27 44.5          21.4 RoEK092695
     K01M07Y DC2021 05 28.38563 15 57 00.29 +21 27 35.8          21.3 RoEK092695

Observer details:
695 Kitt Peak.  Observer J. V. Scotti.  2.3-m f/9 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien
    + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers E. J. Christensen, G.
    A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
    Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
210517 F51 6.79- 1.79-    210528 695 8.46- 1.70-    MPO 18322   -3.56 days

Orbital elements:
2001 MY7                                                 Earth MOID = 0.0775 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 315.38300              (2000.0)            P               Q                  
n   0.19904878     Peri.  208.35733     +0.51581246     +0.78182654             
a   2.9051131      Node    94.73647     -0.70453902     +0.61973049             
e   0.6371778      Incl.   20.57689     -0.48740361     -0.06842058             
P   4.95           H   21.75          G   0.15           U   0                  
Residuals in seconds of arc
010621 704  0.1-  0.1-    010623 557  0.1-  0.5+    010713 474  0.3-  0.8+
010621 704  0.0   0.3+    010623 557  0.3+  0.5+    010713 474  0.1-  0.0
010621 704  0.2+  0.5+    010623 557  0.8-  1.0-    010713 474  0.4-  0.2+
010621 493  0.1+  0.1-    010623 557  0.4+  0.2-    010713 474  0.6-  0.3+
010621 493  0.3+  0.0     010623 557  1.4+  0.4+    010714 474  0.2+  0.5-
010621 493  0.1+  0.2+    010623 557  0.1-  0.3+    010714 474  0.5-  0.6+
010622 649  1.3-  2.1-    010623 557  0.8+  1.2+    010714 474  0.4-  0.3+
010622 649  0.2+  0.1-    010624 673 (6.7-  0.3+)   010714 474  0.1-  0.3-
010622 649  0.1-  0.4-    010624 673 (1.9-  1.0+)   010723 474  0.9-  0.6-
010622 918  0.7-  0.2-    010624 673 (1.0-  0.7+)   010723 474  0.5-  0.2+
010622 918 (1.6-  1.3+)   010624 046 (0.9-  2.2+)   010920 568  0.0   0.2+
010622 918  0.7-  0.2-    010624 046  0.8-  0.8-    010920 568  0.2-  0.0
010622 918  0.1-  0.6+    010624 046  0.0   1.3+    210517 F51  0.1+  0.2-
010622 734 (0.0   2.2+)   010624 557  0.3-  0.6-    210517 F51  0.2-  0.3-
010622 734 (0.5+  4.1-)   010624 557  0.4-  0.9+    210517 F51  0.1+  0.0
010622 649  0.7+  0.0     010624 557  0.3-  0.5+    210517 F51  0.1-  0.1+
010622 649  0.4+  0.4-    010624 859  0.6+  1.8-    210518 G96  0.0   0.2-
010622 649  0.1+  0.0     010624 859 (0.8+  3.5-)   210518 G96  0.2+  0.1-
010622 649  0.8+  0.5+    010625 859  0.2-  0.3-    210518 G96  0.0   0.2+
010623 649  0.6+  0.5+    010703 413  0.2+  0.2+    210518 G96  0.3-  0.8+
010623 649  0.5+  0.0     010703 413  0.2+  0.1-    210526 F51  0.0   0.0
010623 649  0.7+  0.4-    010703 413  0.1-  0.0     210526 F51  0.0   0.1+
010623 649  0.3+  0.4+    010704 413  0.1-  0.7-    210526 F51  0.0   0.0
010623 046  0.8-  0.8-    010704 413  0.1-  0.0     210526 F51  0.1+  0.1+
010623 046  0.8+  0.2-    010704 413 (0.8+  0.6-)   210528 695  0.1+  0.1+
010623 046  0.6+  0.4-    010704 413  0.0   0.2+    210528 695  0.2+  0.1+
010623 046  0.5-  1.5+    010713 474  0.4-  0.3-    210528 695  0.2+  0.0
010623 557  0.0   0.3+    010713 474  0.3-  0.2+

Ephemeris:
2001 MY7                 a,e,i = 2.91, 0.64, 21                  q = 1.0540
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 28    16 17 41.1 +19 28 34   0.6724  1.5613   135.9    26.7    23.1
...
2021 05 13    16 12 32.3 +21 41 19   0.5207  1.4398   137.9    28.1    22.4
...
2021 05 21    16 05 46.7 +22 02 11   0.4487  1.3773   137.7    29.7    22.0
...
2021 05 27    15 58 50.7 +21 39 05   0.3983  1.3322   136.9    31.3    21.7
2021 05 28    15 57 32.1 +21 31 07   0.3902  1.3248   136.8    31.6    21.7
2021 05 29    15 56 10.9 +21 21 49   0.3821  1.3175   136.6    31.9    21.6
...
2021 06 04    15 47 08.1 +19 53 40   0.3356  1.2747   135.2    34.1    21.3
...
2021 06 12    15 32 43.0 +16 03 47   0.2781  1.2214   132.7    37.6    20.9
...
2021 06 27    14 58 27.5 -00 47 59   0.1886  1.1366   125.6    46.7    20.2

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-K92




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