[Iaude] MPEC J69: 2021 JS1 [a=1.64,e=0.59,i=27.6,H=28.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 6 00:55:25 EDT 2021


M.P.E.C. 2021-J69                                   Issued 2021 May 6, 04:54 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 JS1                                    


Observations:
     K21J01S* C2021 05 05.39501616 00 25.86 +22 29 01.0          20.19GVEJ069G96
     K21J01S  C2021 05 05.40017816 00 23.40 +22 30 08.3          20.16GVEJ069G96
     K21J01S  C2021 05 05.40534816 00 20.85 +22 31 17.2          20.25GVEJ069G96
     K21J01S  C2021 05 05.41051616 00 18.36 +22 32 26.1                VEJ069G96
     K21J01S  C2021 05 05.43750916 00 02.84 +22 38 07.4          21.1 GVEJ069H01
     K21J01S  C2021 05 05.44115316 00 01.07 +22 38 58.1          19.6 GVEJ069H01
     K21J01S KC2021 05 05.44229316 00 02.53 +22 39 42.2          20.13GVEJ069I52
     K21J01S KC2021 05 05.44328316 00 02.02 +22 39 55.9          19.97GVEJ069I52
     K21J01S KC2021 05 05.44426816 00 01.50 +22 40 09.6          20.37GVEJ069I52
     K21J01S  C2021 05 05.45078815 59 56.36 +22 41 13.0          20.2 GVEJ069H01
     K21J01S  C2021 05 05.45813615 59 52.76 +22 42 57.8          19.5 GVEJ069H01
     K21J01S KC2021 05 05.93186415 57 15.21 +27 07 05.4          18.5 GVEJ069I93
     K21J01S KC2021 05 05.93378315 57 12.27 +27 09 33.3          18.3 GVEJ069I93
     K21J01S KC2021 05 05.93577015 57 09.25 +27 12 08.5          18.6 GVEJ069I93
     K21J01S HC2021 05 06.03573915 53 04.83 +30 05 05.8                VEJ069204
     K21J01S KC2021 05 06.04126415 52 46.65 +30 18 01.5          18.4 GVEJ069204
     K21J01S KC2021 05 06.04681315 52 27.59 +30 31 29.8                VEJ069204
     K21J01S hC2021 05 06.08339315 49 45.75 +32 14 50.7          17.4 GVEJ069L01
     K21J01S hC2021 05 06.08431015 49 41.36 +32 17 48.9          17.7 GVEJ069L01
     K21J01S hC2021 05 06.08570815 49 34.62 +32 22 21.9          17.7 GVEJ069L01
     K21J01S hC2021 05 06.08623815 49 32.06 +32 24 06.9          17.7 GVEJ069L01
     K21J01S hC2021 05 06.08842715 49 21.26 +32 31 24.9          17.4 GVEJ069L01
     K21J01S KC2021 05 06.11822915 49 46.27 +35 24 59.7          17.7 GXEJ069Y00
     K21J01S KC2021 05 06.11865215 49 43.64 +35 27 00.7          17.2 GXEJ069Y00
     K21J01S KC2021 05 06.11912615 49 40.70 +35 29 17.3          17.7 GXEJ069Y00
     K21J01S KC2021 05 06.14584115 49 51.90 +36 45 28.3          17.3 VqEJ069858
     K21J01S KC2021 05 06.15300315 49 06.00 +37 30 13.2          17.1 VqEJ069858
     K21J01S KC2021 05 06.15994915 48 16.32 +38 17 07.8          17.2 VqEJ069858

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + 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.
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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel, J.
    Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.

Orbital elements:
2021 JS1                                                 Earth MOID = 0.0014 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 270.83167              (2000.0)            P               Q                  
n   0.46765076     Peri.  264.16444     +0.56055789     +0.75861099             
a   1.6438226      Node    45.75838     -0.44764031     +0.61496138             
e   0.5916208      Incl.   27.61657     -0.69670152     +0.21524838             
P   2.11           H   28.50          G   0.15           U   7                  
Residuals in seconds of arc
210505 G96  0.0   0.6-    210505 H01  0.2-  0.4+    210506 L01  0.8+  0.8-
210505 G96  0.5+  0.9-    210505 I93  0.5+  0.5+    210506 L01  1.2+  2.4-
210505 G96  0.0   0.3-    210505 I93  0.3-  0.3+    210506 Y00  0.1+  0.4-
210505 G96  0.6+  0.3-    210505 I93  0.2-  0.4+    210506 Y00  0.2+  0.3-
210505 H01  0.3-  0.5+    210506 204  0.2-  0.2+    210506 Y00  0.5+  0.4+
210505 H01  0.2-  0.6+    210506 204  0.0   0.2+    210506 858  0.1-  0.0
210505 I52  0.1+  0.6+    210506 204  0.1-  0.3-    210506 858  0.0   0.1+
210505 I52  0.0   0.4+    210506 L01  0.6+  0.4+    210506 858  0.1+  0.1+
210505 I52  0.4-  0.2+    210506 L01  0.5+  0.3+
210505 H01  0.1-  0.3+    210506 L01  0.6+  1.0-

Ephemeris:
2021 JS1                 a,e,i = 1.64, 0.59, 28                  q = 0.6713
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 06    15 54 14.8 +17 06 17   0.4058  1.3028   130.9    35.5    28.6
...
2021 04 21    16 01 09.8 +18 36 31   0.2010  1.1590   136.5    36.6    26.8
...
2021 04 29    16 02 42.1 +19 19 29   0.09551 1.0805   138.6    38.1    25.1
...
2021 05 05    16 01 31.0 +21 28 38   0.01720 1.0214   138.3    41.1    21.3
2021 05 06    15 54 36.2 +29 00 22   0.0042151.0116   132.1    47.7    18.4
2021 05 07    04 06 52.3 -15 08 40   0.0089251.0019    36.4   143.3    25.6
...
2021 05 13    04 03 09.5 -19 11 13   0.08717 0.9443    39.0   137.6    29.6
...
2021 05 21    04 02 07.7 -18 41 52   0.1927  0.8706    38.9   133.1    30.7
...
2021 06 05    04 02 05.1 -15 19 33   0.3987  0.7525    39.7   120.5    30.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J69




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