[Iaude] MPEC J57: 2021 JF1 [a=1.07,e=0.33,i=28.1,H=22.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 5 05:51:36 EDT 2021


M.P.E.C. 2021-J57                                   Issued 2021 May 5, 09:50 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                                    


Observations:
     K21J01F* C2021 05 03.39332017 30 53.54 +37 13 49.2          21.51GVEJ057G96
     K21J01F  C2021 05 03.39845217 30 53.45 +37 13 57.6          20.72GVEJ057G96
     K21J01F  C2021 05 03.40358517 30 53.33 +37 14 07.0          21.52GVEJ057G96
     K21J01F  C2021 05 03.40876517 30 53.20 +37 14 15.1          20.99GVEJ057G96
     K21J01F KC2021 05 03.46247917 30 51.98 +37 15 43.3          20.89GVEJ057I52
     K21J01F KC2021 05 03.46584017 30 51.88 +37 15 48.9          21.02GVEJ057I52
     K21J01F KC2021 05 03.46920117 30 51.78 +37 15 54.4          21.00GVEJ057I52
     K21J01F KC2021 05 04.07728417 30 47.44 +37 32 49.1          20.8 GVEJ057L01
     K21J01F KC2021 05 04.08040617 30 47.36 +37 32 55.1          20.7 GVEJ057L01
     K21J01F IC2021 05 04.08352817 30 47.27 +37 33 00.7          20.8 GVEJ057L01
     K21J01F KC2021 05 04.09328517 30 47.09 +37 33 16.2          20.8 GVEJ057L01
     K21J01F KC2021 05 04.30070117 30 47.05 +37 39 17.4          20.55GVEJ057I52
     K21J01F KC2021 05 04.30406117 30 46.98 +37 39 24.0          20.66GVEJ057I52
     K21J01F KC2021 05 04.30741717 30 46.91 +37 39 30.1          20.45GVEJ057I52
     K21J01F KC2021 05 04.31077517 30 46.85 +37 39 36.3          20.32GVEJ057I52
     K21J01F  C2021 05 05.27145017 30 34.32 +38 08 08.0          20.9 GVEJ057H01
     K21J01F  C2021 05 05.27531317 30 34.20 +38 08 15.5          20.7 GVEJ057H01
     K21J01F  C2021 05 05.28611717 30 33.90 +38 08 36.4          21.0 GVEJ057H01
     K21J01F  C2021 05 05.29206417 30 33.72 +38 08 47.9          20.7 GVEJ057H01
     K21J01F KC2021 05 05.32936 17 30 32.01 +38 09 57.0          21.2 GVEJ057H36
     K21J01F KC2021 05 05.34764 17 30 31.39 +38 10 32.8          21.5 GVEJ057H36
     K21J01F KC2021 05 05.35526 17 30 31.13 +38 10 46.0          20.9 GVEJ057H36
     K21J01F KC2021 05 05.37580917 30 31.22 +38 11 28.2          20.83GVEJ057I52
     K21J01F KC2021 05 05.37707217 30 31.21 +38 11 31.2          20.13GVEJ057I52
     K21J01F KC2021 05 05.37833517 30 31.15 +38 11 32.7          20.19GVEJ057I52
     K21J01F KC2021 05 05.38103 17 30 30.33 +38 11 33.5          20.7 RqEJ057734
     K21J01F KC2021 05 05.38454 17 30 30.20 +38 11 40.0          20.8 RqEJ057734
     K21J01F KC2021 05 05.39150 17 30 29.94 +38 11 52.0          21.4 RqEJ057734

Observer details:
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
    R. Valentine.  Measurer D. Cromer.  0.7-m reflector + 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.
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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
    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.  1.0-m
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 JF1                                                 Earth MOID = 0.0303 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 159.16261              (2000.0)            P               Q                  
n   0.88618176     Peri.  274.20988     +0.83742671     +0.33480918             
a   1.0734641      Node    66.71024     -0.07082571     +0.85021625             
e   0.3347525      Incl.   28.05490     -0.54194117     +0.40624516             
P   1.11           H   22.10          G   0.15           U   9                  
Residuals in seconds of arc
210503 G96  0.3-  0.2-    210504 L01  0.3+  0.8-    210505 H36  0.2-  0.8+
210503 G96  0.0   0.3-    210504 I52  0.1-  0.3-    210505 H36  0.3-  0.2-
210503 G96  0.0   0.5+    210504 I52  0.0   0.2+    210505 I52  0.1-  0.1+
210503 G96  0.0   0.0     210504 I52  0.1+  0.2+    210505 I52  0.3+  0.8+
210503 I52  0.4+  0.1+    210504 I52  0.4+  0.3+    210505 I52  0.1+  0.2-
210503 I52  0.1+  0.2+    210505 H01  0.1-  0.0     210505 734  0.2+  0.4-
210503 I52  0.2-  0.2+    210505 H01  0.1-  0.0     210505 734  0.1+  0.4-
210504 L01  0.1-  0.6-    210505 H01  0.1-  0.0     210505 734 (0.2-  1.2-)
210504 L01  0.2-  0.1+    210505 H01  0.2-  0.0
210504 L01  0.4-  0.4+    210505 H36  0.1+  0.7-

Ephemeris:
2021 JF1                 a,e,i = 1.07, 0.33, 28                  q = 0.7141
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    17 15 23.6 +28 41 19   0.5056  1.2571   108.7    48.9    22.9
...
2021 04 20    17 27 22.0 +32 30 07   0.3637  1.1909   112.3    51.3    22.2
...
2021 04 28    17 30 31.5 +35 03 18   0.2872  1.1517   113.5    53.3    21.7
...
2021 05 04    17 30 48.2 +37 30 41   0.2296  1.1207   113.8    55.4    21.2
2021 05 05    17 30 36.3 +37 59 56   0.2200  1.1154   113.7    55.9    21.1
2021 05 06    17 30 19.1 +38 31 02   0.2103  1.1101   113.7    56.3    21.0
...
2021 05 12    17 25 54.6 +42 37 15   0.1528  1.0774   112.3    60.2    20.3
...
2021 05 20    16 56 38.5 +55 40 28   0.07816 1.0322   103.0    72.8    19.2
...
2021 06 04    06 08 43.9 -07 14 44   0.08785 0.9445    35.7   141.2    23.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J57




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