[Iaude] MPEC J77: 2021 JX1 [a=2.49,e=0.57,i=18.0,H=22.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 6 04:19:34 EDT 2021


M.P.E.C. 2021-J77                                   Issued 2021 May 6, 08:18 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 JX1                                    


Observations:
     K21J01X* C2021 05 04.35346715 32 36.70 +30 45 17.6          21.50GVEJ077G96
     K21J01X  C2021 05 04.35865515 32 36.79 +30 45 14.7          21.13GVEJ077G96
     K21J01X  C2021 05 04.36384915 32 36.83 +30 45 11.2          21.34GVEJ077G96
     K21J01X  C2021 05 04.36905615 32 36.95 +30 45 08.6          21.07GVEJ077G96
     K21J01X KC2021 05 04.43303215 32 37.73 +30 44 30.2          21.60GVEJ077I52
     K21J01X KC2021 05 04.44231815 32 37.89 +30 44 24.3                VEJ077I52
     K21J01X  C2021 05 05.20692715 33 01.08 +30 36 30.6          21.0 GVEJ077H01
     K21J01X  C2021 05 05.21015415 33 01.12 +30 36 28.7          21.2 GVEJ077H01
     K21J01X  C2021 05 05.22335315 33 01.33 +30 36 20.8          21.2 GVEJ077H01
     K21J01X  C2021 05 05.23065815 33 01.44 +30 36 16.3          21.3 GVEJ077H01
     K21J01X KC2021 05 05.23845915 33 01.73 +30 36 12.2          21.24GVEJ077I52
     K21J01X KC2021 05 05.24460815 33 01.71 +30 36 08.7          21.67GVEJ077I52
     K21J01X KC2021 05 05.25473115 33 01.90 +30 36 01.9          21.59GVEJ077I52
     K21J01X KC2021 05 05.26485615 33 02.03 +30 35 55.6          21.00GVEJ077I52
     K21J01X KC2021 05 05.38549 15 33 03.04 +30 34 31.2          21.4 GVEJ077H36
     K21J01X KC2021 05 05.39764 15 33 03.24 +30 34 21.8          21.4 GVEJ077H36
     K21J01X KC2021 05 05.40904 15 33 03.45 +30 34 13.1          21.6 GVEJ077H36
     K21J01X KC2021 05 05.87041 15 33 18.84 +30 28 46.3          18.6 rZEJ077J57
     K21J01X KC2021 05 05.89375 15 33 19.33 +30 28 30.5          18.1 rZEJ077J57
     K21J01X KC2021 05 05.90992 15 33 19.58 +30 28 19.0          18.8 rZEJ077J57
     K21J01X KC2021 05 06.22985415 33 27.18 +30 24 22.8          21.8 VuEJ077H21
     K21J01X KC2021 05 06.23566215 33 27.23 +30 24 18.6          21.3 VuEJ077H21
     K21J01X KC2021 05 06.23866315 33 27.29 +30 24 16.6          21.1 VuEJ077H21

Observer details:
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + 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.
J57 Centro Astronomico Alto Turia, Valencia.  Observer A. Fornas.  Measurers
    A. Fornas, G. Fornas, E. Arce, V. Mas.

Orbital elements:
2021 JX1                                                 Earth MOID = 0.0640 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 314.49251              (2000.0)            P               Q                  
n   0.25109288     Peri.  193.23155     -0.07625455     +0.95225989             
a   2.4883594      Node    73.01088     -0.88436249     +0.07234165             
e   0.5692459      Incl.   18.00505     -0.46053038     -0.29659364             
P   3.93           H   22.32          G   0.15           U   9                  
Residuals in seconds of arc
210504 G96  0.5-  0.0     210505 H01  0.1+  0.2-    210505 H36  0.1-  0.4-
210504 G96  0.2-  0.0     210505 H01  0.1+  0.2-    210505 J57  0.4-  0.8+
210504 G96  0.6-  0.4-    210505 I52  0.5+  0.1+    210505 J57  0.4+  0.4+
210504 G96  0.2+  0.0     210505 I52  0.9-  0.3+    210505 J57  0.0   0.3-
210504 I52  0.9-  0.5+    210505 I52  0.3-  0.3-    210506 H21  0.5+  0.0
210504 I52  0.6-  0.5+    210505 I52  0.4-  0.4-    210506 H21  0.2+  0.2+
210505 H01  0.1+  0.1-    210505 H36  0.6-  0.5+    210506 H21  0.5+  0.4+
210505 H01  0.0   0.1-    210505 H36  0.5-  0.1-

Ephemeris:
2021 JX1                 a,e,i = 2.49, 0.57, 18                  q = 1.0719
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 06    15 15 32.9 +28 45 33   0.4826  1.3713   132.0    32.8    22.8
...
2021 04 21    15 26 04.8 +31 00 42   0.3578  1.2722   131.9    36.0    22.1
...
2021 04 29    15 30 11.5 +31 15 03   0.2963  1.2244   131.8    37.8    21.6
...
2021 05 05    15 32 54.0 +30 38 51   0.2518  1.1916   131.9    39.0    21.3
2021 05 06    15 33 20.5 +30 27 23   0.2445  1.1865   132.0    39.2    21.2
2021 05 07    15 33 47.0 +30 14 03   0.2372  1.1814   132.1    39.3    21.1
...
2021 05 13    15 36 37.4 +28 04 34   0.1945  1.1528   133.4    39.5    20.6
...
2021 05 21    15 42 00.5 +21 37 50   0.1402  1.1205   138.2    37.0    19.8
...
2021 06 05    16 13 44.4 -25 18 29   0.06717 1.0810   170.9     8.6    17.2

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J77




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