[Iaude] MPEC M28: 2021 JF1 [a=1.07,e=0.33,i=28.0,H=22.27]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Jun 21 10:08:03 EDT 2022


M.P.E.C. 2022-M28                                 Issued 2022 June 21, 14:06 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 JF1                                    


                           Revision to MPEC 2021-J57                            

Additional Observations:
     K21J01F  C2011 05 11.41405316 28 15.686+45 53 22.64         20.59GVEM028F51
     K21J01F  C2011 05 11.42533916 28 11.832+45 53 51.47         20.58GVEM028F51
     K21J01F  C2011 05 14.57236316 07 33.813+48 13 58.21         20.50GVEM028F51
     K21J01F  C2011 05 14.58806816 07 25.835+48 14 40.59         20.03GVEM028F51
     K21J01F  C2011 05 15.51963915 59 24.080+49 00 30.19         20.00GVEM028F51
     K21J01F  C2011 05 15.53554715 59 14.697+49 01 16.03         20.47GVEM028F51
     K21J01F  C2022 06 20.26385211 24 32.941+17 39 48.23         23.60GVEM028T14
     K21J01F  C2022 06 20.26645111 24 33.023+17 39 40.80         23.76GVEM028T14
     K21J01F  C2022 06 20.26904911 24 33.106+17 39 33.42         23.64GVEM028T14

Observer details:
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.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer H. Januszewski.
    Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
    Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
110511 F51   19-    9-    220620 T14    0-    0-    MPO622837   -0.06 days

Orbital elements:
2021 JF1                                                 Earth MOID = 0.0289 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 331.12803              (2000.0)            P               Q                  
n   0.88711613     Peri.  274.23939     +0.83826109     +0.33381966             
a   1.0727102      Node    66.74190     -0.07057589     +0.85046745             
e   0.3339063      Incl.   27.98737     -0.54068234     +0.40653358             
P   1.11           H   22.27          G   0.15           U   0                  
Residuals in seconds of arc
110511 F51  0.0   0.1+    210505 734  0.2+  0.3-    210515 G96  0.0   0.0
110511 F51  0.1-  0.1+    210505 734  0.1-  1.1-    210515 G96  0.0   0.0
110514 F51  0.0   0.2+    210506 I52  0.3-  0.4-    210515 291  0.1-  0.1+
110514 F51  0.1+  0.0     210506 I52  0.0   0.2+    210515 291  0.3-  0.2+
110515 F51  0.1+  0.1+    210506 I52  0.1-  0.2+    210515 291  0.0   0.0
110515 F51  0.1-  0.1+    210506 I52  0.3+  0.3+    210515 033  0.1-  0.1+
210503 G96  0.3-  0.1-    210507 I52  0.2-  0.2-    210515 033  0.0   0.3+
210503 G96  0.0   0.2-    210507 I52  0.4-  0.3-    210515 033  0.1-  0.1+
210503 G96  0.0   0.6+    210507 I52  0.2-  0.5+    210515 033  0.1+  0.1+
210503 G96  0.1-  0.1+    210508 I52  0.6-  0.1-    210516 T08  0.1+  0.1-
210503 I52  0.4+  0.1+    210508 I52  0.7-  0.1+    210516 T08  0.1+  0.1+
210503 I52  0.1+  0.3+    210508 I52  0.5+  0.1-    210516 T08  0.1-  0.1-
210503 I52  0.2-  0.3+    210508 I52  0.5+  0.2+    210516 T08  0.3-  0.1+
210504 L01  0.1-  0.6-    210509 I52  0.3+  0.0     210516 033  0.0   0.2+
210504 L01  0.2-  0.1+    210509 I52  0.0   0.2+    210516 033  0.0   0.0
210504 L01  0.3-  0.3+    210509 I52  0.2+  0.9-    210516 033  0.2-  0.0
210504 L01  0.3+  0.8-    210509 I52  0.4+  1.1-    210522 703  0.2-  0.4+
210504 I52  0.1-  0.3-    210510 I52  0.9+  0.3-    210522 703  0.3+  0.6-
210504 I52  0.0   0.2+    210510 I52  0.0   0.9-    210522 703  0.0   0.1+
210504 I52  0.2+  0.2+    210510 I52  0.1+  0.1-    210522 U68  0.3-  0.0
210504 I52  0.5+  0.3+    210511 I52  0.0   0.1-    210522 U68  0.3+  0.4+
210505 H01  0.0   0.0     210511 I52  0.1+  0.2+    210522 U68  0.0   0.0
210505 H01  0.0   0.1+    210511 I52  0.0   0.0     210522 U68  0.2+  0.2-
210505 H01  0.0   0.1+    210511 I52  0.2-  0.1-    210522 U68  0.1+  0.7+
210505 H01  0.1-  0.1+    210514 033  0.1-  0.2+    210522 U68  0.2+  0.3-
210505 H36  0.2+  0.6-    210514 033  0.2-  0.1-    210522 L34  0.1+  0.3+
210505 H36  0.1-  1.0+    210514 033  0.2-  0.0     210522 L34  0.6-  0.4-
210505 H36  0.2-  0.1-    210514 033  0.1-  0.2+    210522 L34  0.1-  0.2-
210505 I52  0.0   0.2+    210515 033  0.1-  0.2+    220620 T14  0.0   0.0
210505 I52  0.4+  0.9+    210515 033  0.1-  0.1+    220620 T14  0.0   0.0
210505 I52  0.2+  0.1-    210515 033  0.2+  0.9+    220620 T14  0.0   0.0
210505 734  0.3+  0.3-    210515 G96  0.1+  0.0

Ephemeris:
2021 JF1                 a,e,i = 1.07, 0.33, 28                  q = 0.7145
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 22    11 16 52.5 +40 06 14   0.6688  1.2305    91.8    55.3    23.9
...
2022 06 06    11 17 39.2 +28 47 19   0.6795  1.1606    84.0    60.4    23.9
...
2022 06 14    11 21 04.3 +22 34 41   0.6841  1.1196    79.8    63.2    23.9
...
2022 06 20    11 24 24.0 +17 52 20   0.6865  1.0874    76.7    65.4    23.9
2022 06 21    11 24 59.9 +17 05 04   0.6868  1.0819    76.2    65.8    23.9
2022 06 22    11 25 36.5 +16 17 44   0.6870  1.0764    75.6    66.2    23.9
...
2022 06 28    11 29 25.1 +11 32 41   0.6876  1.0427    72.6    68.5    24.0
...
2022 07 06    11 34 38.1 +05 09 55   0.6857  0.9966    68.5    71.7    24.0
...
2022 07 21    11 42 50.7 -06 52 40   0.6712  0.9086    61.2    78.5    23.9

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-M28




More information about the Iaude mailing list