[Iaude] MPEC J199: 2021 JX5 [a=2.07,e=0.50,i=5.8,H=26.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 13 06:55:33 EDT 2021


M.P.E.C. 2021-J199                                 Issued 2021 May 13, 10:54 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 JX5                                    


Observations:
     K21J05X* C2021 05 12.29508614 59 39.91 -12 01 48.8          19.32GVEJ199G96
     K21J05X  C2021 05 12.30032814 59 50.45 -12 01 02.0          19.20GVEJ199G96
     K21J05X  C2021 05 12.30555315 00 01.03 -12 00 15.0          19.26GVEJ199G96
     K21J05X  C2021 05 12.31078515 00 11.52 -11 59 28.1          19.59GVEJ199G96
     K21J05X  C2021 05 12.32947715 00 48.19 -11 56 43.9          19.5 GVEJ199H01
     K21J05X  C2021 05 12.33309615 00 55.53 -11 56 11.0          19.6 GVEJ199H01
     K21J05X  C2021 05 12.34351215 01 16.66 -11 54 35.6          19.4 GVEJ199H01
     K21J05X KC2021 05 12.34848015 01 27.78 -11 53 45.0          18.83GVEJ199I52
     K21J05X KC2021 05 12.34887515 01 28.56 -11 53 41.3          18.95GVEJ199I52
     K21J05X KC2021 05 12.34926615 01 29.37 -11 53 37.9          19.01GVEJ199I52
     K21J05X KC2021 05 12.34965915 01 30.16 -11 53 34.4          19.01GVEJ199I52
     K21J05X  C2021 05 12.35117615 01 32.23 -11 53 25.3          19.4 GVEJ199H01
     K21J05X KC2021 05 12.38755815 02 47.34 -11 47 43.4          19.01GVEJ199I52
     K21J05X KC2021 05 12.38795715 02 48.14 -11 47 39.9          18.97GVEJ199I52
     K21J05X KC2021 05 12.38835615 02 48.98 -11 47 36.0          19.18GVEJ199I52
     K21J05X KC2021 05 12.38874715 02 49.77 -11 47 32.6          19.29GVEJ199I52
     K21J05X KC2021 05 12.55062015 08 46.66 -11 15 40.2          19.1 GVEJ199474
     K21J05X KC2021 05 12.55139315 08 48.27 -11 15 33.5          19.8 GVEJ199474
     K21J05X KC2021 05 12.55371115 08 53.05 -11 15 10.6          20.1 GVEJ199474
     K21J05X KC2021 05 12.55448615 08 54.67 -11 15 03.9          19.5 GVEJ199474
     K21J05X 2C2021 05 12.96630115 24 11.076-10 14 53.61         19.5 GVEJ199J04
     K21J05X KC2021 05 13.16957915 31 40.67 -09 41 11.9          20.3 VuEJ199H21
     K21J05X KC2021 05 13.17126815 31 44.25 -09 40 55.0          20.0 VuEJ199H21
     K21J05X KC2021 05 13.17289815 31 47.71 -09 40 38.1          19.9 VuEJ199H21
     K21J05X KC2021 05 13.29209 15 36 02.63 -09 20 00.7          19.6 RqEJ199734
     K21J05X KC2021 05 13.29510 15 36 09.05 -09 19 29.5          19.6 RqEJ199734
     K21J05X KC2021 05 13.29801 15 36 15.07 -09 18 59.9          19.6 RqEJ199734
     K21J05X KC2021 05 13.30348 15 36 26.86 -09 18 01.6          19.8 RqEJ199734
     K21J05X KC2021 05 13.31436915 36 54.63 -09 15 40.1          19.00GVEJ199I52
     K21J05X KC2021 05 13.31477515 36 55.47 -09 15 35.9          19.70GVEJ199I52
     K21J05X KC2021 05 13.31518215 36 56.33 -09 15 31.6          18.79GVEJ199I52
     K21J05X KC2021 05 13.31558215 36 57.19 -09 15 27.0          18.90GVEJ199I52

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
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 K. W. Wierzchos.  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 T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M.
    Micheli, D. Koschny, L. Conversi, R. Kresken, A. Knofel, M. Busch, E.
    Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2021 JX5                                                 Earth MOID = 0.0234 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 309.77170              (2000.0)            P               Q                  
n   0.33062678     Peri.    7.65188     -0.53321165     +0.84244778             
a   2.0713049      Node   230.16053     -0.78140435     -0.52544185             
e   0.5009020      Incl.    5.77386     -0.32417985     -0.11913270             
P   2.98           H   26.97          G   0.15           U   7                  
Residuals in seconds of arc
210512 G96  0.1-  0.2+    210512 H01  0.1+  0.1-    210513 H21  0.2-  0.2+
210512 G96  0.4-  0.0     210512 I52  0.0   0.1+    210513 H21  0.3-  0.5+
210512 G96  0.3+  0.0     210512 I52  0.2-  0.1-    210513 734  0.5-  0.3+
210512 G96  0.4-  0.3-    210512 I52  0.2+  0.1+    210513 734  0.2+  0.1-
210512 H01  0.0   0.1+    210512 I52  0.1+  0.2-    210513 734 (2.1-  1.2-)
210512 H01  0.3+  0.1-    210512 474  0.1-  0.2+    210513 734 (1.2+  0.4-)
210512 H01  0.2+  0.0     210512 474  0.0   0.4-    210513 I52  0.2+  0.2-
210512 I52  0.4+  0.2-    210512 474  0.1-  0.6+    210513 I52  0.0   0.3-
210512 I52  0.1+  0.1-    210512 474  0.1+  0.1-    210513 I52  0.0   0.3-
210512 I52  0.3+  0.3-    210512 J04  0.1+  0.2-    210513 I52  0.2+  0.2+
210512 I52  0.2+  0.4-    210513 H21  0.1-  0.5+

Ephemeris:
2021 JX5                 a,e,i = 2.07, 0.50, 6                   q = 1.0338
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 13    10 53 29.7 -19 43 06   0.1364  1.1131   141.8    33.8    24.3
...
2021 04 28    11 20 58.1 -19 58 02   0.07259 1.0607   136.6    40.7    23.0
...
2021 05 06    12 25 49.8 -19 13 57   0.04194 1.0435   145.2    33.5    21.6
...
2021 05 12    14 49 15.4 -12 40 42   0.02618 1.0361   171.8     8.0    19.7
2021 05 13    15 25 13.8 -10 05 52   0.02520 1.0354   171.7     8.1    19.6
2021 05 14    16 02 24.1 -07 08 09   0.02492 1.0347   165.1    14.6    19.8
...
2021 05 20    18 51 15.8 +07 31 04   0.03596 1.0339   127.0    51.4    21.7
...
2021 05 28    20 11 28.9 +13 09 04   0.06438 1.0405   113.3    63.4    23.4
...
2021 06 12    20 49 30.9 +14 41 13   0.1221  1.0754   116.5    57.7    24.6

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J199




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