[Iaude] MPEC K04: 2021 JQ8 [a=2.36,e=0.55,i=9.6,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 16 04:45:30 EDT 2021


M.P.E.C. 2021-K04                                  Issued 2021 May 16, 08:44 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 JQ8                                    


Observations:
     K21J08Q* C2021 05 14.40176515 26 17.35 -17 05 27.0          19.55GVEK004G96
     K21J08Q  C2021 05 14.40717515 26 21.83 -17 04 43.4          19.38GVEK004G96
     K21J08Q  C2021 05 14.41260215 26 26.35 -17 03 59.7          19.48GVEK004G96
     K21J08Q  C2021 05 14.43453815 26 44.52 -17 01 03.6          19.30GVEK004G96
     K21J08Q  C2021 05 14.43477015 26 44.72 -17 01 01.8          19.45GVEK004G96
     K21J08Q  C2021 05 14.43500215 26 44.91 -17 01 00.0          19.22GVEK004G96
     K21J08Q  C2021 05 14.43523415 26 45.10 -17 00 57.7          19.47GVEK004G96
     K21J08Q 2C2021 05 14.96346015 34 21.735-15 52 04.09         19.6 GVEK004J04
     K21J08Q KC2021 05 15.22895215 37 55.26 -15 18 22.1          20.2 VuEK004H21
     K21J08Q KC2021 05 15.23602015 38 00.61 -15 17 28.4          20.2 VuEK004H21
     K21J08Q KC2021 05 15.24850215 38 13.19 -15 15 40.6          19.07GVEK004I52
     K21J08Q KC2021 05 15.24949515 38 13.92 -15 15 32.7          19.27GVEK004I52
     K21J08Q KC2021 05 15.25048315 38 14.66 -15 15 25.8          19.38GVEK004I52
     K21J08Q KC2021 05 15.25147315 38 15.38 -15 15 17.7          19.08GVEK004I52
     K21J08Q  C2021 05 15.30570 15 38 57.35 -15 08 29.1          19.4 GVEK004654
     K21J08Q  C2021 05 15.33420 15 39 18.83 -15 04 52.4          19.0 GVEK004654
     K21J08Q  C2021 05 15.36167 15 39 39.48 -15 01 23.1          19.4 GVEK004654
     K21J08Q  C2021 05 15.77381915 45 04.10 -14 09 39.3          20.0 rVEK004N51
     K21J08Q  C2021 05 15.78046315 45 08.94 -14 08 50.0          20.0 rVEK004N51
     K21J08Q 1C2021 05 15.97618 15 47 37.36 -13 45 06.9          20.2 VVEK004033
     K21J08Q 1C2021 05 15.97658 15 47 37.67 -13 45 03.6          20.2 VVEK004033
     K21J08Q 1C2021 05 15.97698 15 47 37.95 -13 45 00.9          20.2 VVEK004033
     K21J08Q 1C2021 05 15.97738 15 47 38.24 -13 44 57.6          20.0 VVEK004033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers P. Choi, N. Saini,
    C. Zhai, R. Trahan, M. Shao.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
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 D. C. Fuls.  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. Fohring, R. Kresken, D. Koschny, L. Conversi, A. Knofel,
    M. Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.
N51 GROWTH India Telescope, IAO, Hanle.  Observers K. Sharma, H. Kumar, J.
    Stanzin, V. Bhalerao, G. C. Anupama, S. Barway.  Measurer K. Sharma.
    0.70-m f/6.5 Corrected Dall-Kirkham + CCD.

Orbital elements:
2021 JQ8                                                 Earth MOID = 0.0578 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 323.70261              (2000.0)            P               Q                  
n   0.27238546     Peri.  343.71363     -0.79899023     +0.58630026             
a   2.3569305      Node   232.95032     -0.53135451     -0.79241074             
e   0.5505606      Incl.    9.64119     -0.28156171     -0.16833664             
P   3.62           H   25.17          G   0.15           U   8                  
Residuals in seconds of arc
210514 G96  0.0   0.3-    210515 H21  0.2-  0.0     210515 654  0.0   0.3-
210514 G96  0.0   0.1-    210515 H21  0.8-  0.3-    210515 N51  0.1+  1.5+
210514 G96  0.5+  0.0     210515 I52  0.4+  0.0     210515 N51  0.8+  1.5+
210514 G96  0.1+  0.4-    210515 I52  0.1+  0.4+    210515 033  0.1-  0.3-
210514 G96  0.1+  0.5-    210515 I52  0.1-  0.2-    210515 033  0.2+  0.0
210514 G96  0.0   0.5-    210515 I52  0.6-  0.4+    210515 033  0.0   0.3-
210514 G96  0.1+  0.1-    210515 654  0.1+  0.2-    210515 033  0.1+  0.2+
210514 J04  0.0   0.4+    210515 654  0.1+  0.2-

Ephemeris:
2021 JQ8                 a,e,i = 2.36, 0.55, 10                  q = 1.0593
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 16    09 25 02.1 -32 43 41   0.1314  1.0719   118.2    55.6    22.9
...
2021 05 01    11 22 55.7 -35 59 16   0.07430 1.0595   132.9    44.1    21.3
...
2021 05 09    13 51 31.1 -28 43 55   0.06005 1.0661   159.9    19.0    20.2
...
2021 05 15    15 34 47.1 -15 46 00   0.06625 1.0770   176.4     3.3    19.8
2021 05 16    15 47 54.7 -13 40 22   0.06865 1.0793   173.3     6.3    20.0
2021 05 17    15 59 52.6 -11 41 43   0.07137 1.0817   170.3     9.0    20.2
...
2021 05 23    16 51 47.2 -02 37 42   0.09273 1.0989   157.9    20.2    21.2
...
2021 05 31    17 27 54.7 +03 36 51   0.1292  1.1286   151.0    25.8    22.2
...
2021 06 15    17 54 43.2 +06 58 12   0.2106  1.2017   149.3    25.6    23.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K04




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