[Iaude] MPEC J49: 2021 JX [a=0.77,e=0.37,i=1.5,H=27.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue May 4 10:33:35 EDT 2021


M.P.E.C. 2021-J49                                   Issued 2021 May 4, 14:32 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 JX                                     


Observations:
     K21J00X  C2021 05 02.36345 16 46 11.88 +42 18 07.5                VEJ049G96
     K21J00X  C2021 05 02.38341 16 43 55.88 +42 16 11.2                VEJ049G96
     K21J00X*HC2021 05 03.30952815 15 13.19 +38 30 01.5                VEJ049G96
     K21J00X HC2021 05 03.31473415 14 45.97 +38 28 14.9                VEJ049G96
     K21J00X HC2021 05 03.31997015 14 18.54 +38 26 27.4                VEJ049G96
     K21J00X HC2021 05 03.32519115 13 51.57 +38 24 40.4          19.00GVEJ049G96
     K21J00X KC2021 05 03.34840215 11 51.17 +38 16 32.7          19.71GVEJ049I52
     K21J00X KC2021 05 03.34888715 11 48.61 +38 16 22.4          19.47GVEJ049I52
     K21J00X KC2021 05 03.41106115 06 33.27 +37 53 38.7          19.26GVEJ049I52
     K21J00X KC2021 05 03.41160615 06 30.55 +37 53 26.0          18.95GVEJ049I52
     K21J00X KC2021 05 03.41214215 06 27.85 +37 53 14.8          18.93GVEJ049I52
     K21J00X KC2021 05 03.41267815 06 25.21 +37 53 02.6          18.85GVEJ049I52
     K21J00X  C2021 05 03.43116415 04 52.13 +37 45 30.3          19.2 GVEJ049H01
     K21J00X  C2021 05 03.43626615 04 27.21 +37 43 32.6          19.4 GVEJ049H01
     K21J00X  C2021 05 03.44465615 03 46.43 +37 40 18.3          19.5 GVEJ049H01
     K21J00X  C2021 05 03.45775915 02 43.27 +37 35 13.0          19.9 GVEJ049H01
     K21J00X KC2021 05 03.69194 14 46 28.37 +36 07 37.5          19.6 GVEJ049N82
     K21J00X KC2021 05 03.70192 14 45 44.87 +36 04 00.6          19.8 GVEJ049N82
     K21J00X KC2021 05 03.84720 14 35 28.38 +35 09 50.0          19.6 GVEJ049N88
     K21J00X KC2021 05 03.84749 14 35 27.25 +35 09 43.2          19.7 GVEJ049N88
     K21J00X KC2021 05 03.86482714 35 01.47 +35 02 50.9          20.1 GVEJ049595
     K21J00X KC2021 05 03.86607314 35 03.74 +35 01 59.1          20.1 GVEJ049I93
     K21J00X KC2021 05 03.87012314 34 47.51 +35 00 31.9          20.4 GVEJ049I93
     K21J00X KC2021 05 03.89985614 32 42.79 +34 49 51.9          19.5 GVEJ049587
     K21J00X KC2021 05 03.90329714 32 26.54 +34 48 41.9          19.8 GVEJ049595
     K21J00X KC2021 05 03.90429714 32 25.10 +34 48 13.0          19.7 GVEJ049587
     K21J00X KC2021 05 03.91011414 31 59.21 +34 46 17.1          20.0 GVEJ049L01
     K21J00X KC2021 05 03.91133314 31 54.38 +34 45 49.3          19.9 GVEJ049L01
     K21J00X KC2021 05 03.91248014 31 49.78 +34 45 23.5          20.0 GVEJ049L01
     K21J00X KC2021 05 03.91362714 31 45.22 +34 44 58.3          20.0 GVEJ049L01
     K21J00X KC2021 05 03.91487414 31 40.24 +34 44 30.2          19.8 GVEJ049L01
     K21J00X HC2021 05 04.31773414 08 25.55 +32 15 01.5                VEJ049G96
     K21J00X HC2021 05 04.32289514 08 08.38 +32 13 05.4                VEJ049G96
     K21J00X HC2021 05 04.32807714 07 51.06 +32 11 07.8          19.00GVEJ049G96

Observer details:
587 Sormano.  Observers E. Colzani, G. Ventre.  Measurer P. Sicoli.  0.5-m
    f/6.8 reflector + CCD.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers E. J. Christensen, B.
    Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, 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.
N82 Multa Observatory.  Observer L. Elenin.  0.4-m f/1.25 reflector + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2021 JX                                                  Earth MOID = 0.0076 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 299.20552              (2000.0)            P               Q                  
n   1.46503045     Peri.  357.00586     +0.45720763     -0.88903974             
a   0.7677826      Node    65.78602     +0.81651455     +0.40897164             
e   0.3697979      Incl.    1.49943     +0.35251265     +0.20579247             
P   0.67           H   27.26          G   0.15           U   6                  
Residuals in seconds of arc
210502 G96 (5.9+  0.7+)   210503 H01  0.2+  0.2+    210503 595  0.6+  0.3-
210502 G96  0.0   0.1-    210503 H01  0.2+  0.2+    210503 587 (0.8+  1.0-)
210503 G96  0.6-  0.2+    210503 H01  0.1+  0.1+    210503 L01  0.1-  0.0
210503 G96  0.1-  0.2-    210503 H01  0.1+  0.2+    210503 L01  0.3+  0.6-
210503 G96  0.8-  0.2-    210503 N82  0.6+  0.9-    210503 L01  0.1+  0.7-
210503 G96 (2.3+  0.7+)   210503 N82  1.3+  0.5+    210503 L01  0.3+  0.2-
210503 I52  1.5+  0.1+    210503 N88  1.4-  0.6-    210503 L01  0.2+  0.4-
210503 I52  0.8+  0.1+    210503 N88  0.7-  0.5-    210504 G96 (1.0-  0.7-)
210503 I52  0.5+  0.3+    210503 595 (1.6+  0.1-)   210504 G96  0.2+  0.1+
210503 I52  0.5+  0.1-    210503 I93  0.6+  0.3+    210504 G96  0.3-  0.1+
210503 I52  0.2+  0.8+    210503 I93  1.1+  0.3+
210503 I52  0.4+  0.7+    210503 587  0.0   0.4-

Ephemeris:
2021 JX                  a,e,i = 0.77, 0.37, 1                   q = 0.4839
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 04    23 11 21.4 +04 00 37   0.1187  0.8941    25.1   151.6    31.1
...
2021 04 19    22 41 23.6 +08 05 55   0.05498 0.9669    45.9   131.8    26.8
...
2021 04 27    21 45 10.8 +19 11 10   0.02399 0.9966    65.1   113.7    23.5
...
2021 05 03    15 42 07.2 +40 07 37   0.01235 1.0147   122.5    57.0    19.8
2021 05 04    14 26 21.9 +34 14 35   0.01414 1.0174   129.7    49.7    19.9
2021 05 05    13 38 24.8 +28 16 59   0.01677 1.0199   132.5    46.8    20.2
...
2021 05 11    12 08 13.6 +11 35 18   0.03854 1.0332   126.1    52.2    22.2
...
2021 05 19    11 46 15.1 +05 40 14   0.07069 1.0452   116.6    60.0    23.8
...
2021 06 03    11 41 15.2 +01 35 26   0.1302  1.0507   102.7    70.3    25.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J49




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