[Iaude] MPEC X151: 2021 XQ3 [a=2.57,e=0.73,i=4.6,H=24.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 7 17:04:13 EST 2021


M.P.E.C. 2021-X151                             Issued 2021 December 7, 22:02 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 XQ3                                    


Observations:
     K21X03Q* C2021 12 06.19577203 01 42.15 -15 51 25.6          20.67GVEX151G96
     K21X03Q  C2021 12 06.20145703 01 49.41 -15 48 43.1          20.52GVEX151G96
     K21X03Q  C2021 12 06.20712803 01 56.67 -15 46 00.9          20.06GVEX151G96
     K21X03Q  C2021 12 06.21279203 02 03.94 -15 43 18.2          19.66GVEX151G96
     K21X03Q  C2021 12 06.24170003 02 40.30 -15 29 32.0          19.4 GVEX151H01
     K21X03Q  C2021 12 06.24492503 02 44.37 -15 28 00.1          20.0 GVEX151H01
     K21X03Q  C2021 12 06.25606603 02 58.50 -15 22 42.4          19.8 GVEX151H01
     K21X03Q  C2021 12 06.26611203 03 11.19 -15 17 56.1          19.6 GVEX151H01
     K21X03Q KC2021 12 06.33137803 04 33.41 -14 47 10.4          19.91GVEX151I52
     K21X03Q KC2021 12 06.33208103 04 34.30 -14 46 50.7          20.22GVEX151I52
     K21X03Q KC2021 12 06.33278603 04 35.13 -14 46 30.9          19.81GVEX151I52
     K21X03Q KC2021 12 06.33349003 04 36.03 -14 46 11.2          19.86GVEX151I52
     K21X03Q  C2021 12 06.71038703 12 18.19 -11 58 39.9          20.0 rVEX151N51
     K21X03Q  C2021 12 06.74653703 12 57.46 -11 43 23.4          20.0 rVEX151N51
     K21X03Q KC2021 12 06.82939 03 14 34.89 -11 09 16.6                VEX151G15
     K21X03Q KC2021 12 06.83516 03 14 41.04 -11 06 54.5                VEX151G15
     K21X03Q KC2021 12 06.84095 03 14 46.95 -11 04 32.0          19.4 GVEX151G15
     K21X03Q KC2021 12 06.84648 03 14 52.46 -11 02 18.4          19.2 RVEX151K51
     K21X03Q KC2021 12 06.84817 03 14 54.24 -11 01 36.7          19.0 RVEX151K51
     K21X03Q KC2021 12 06.84986 03 14 56.01 -11 00 55.7          19.1 RVEX151K51
     K21X03Q bC2021 12 06.89879103 15 46.83 -10 40 56.7          19.7 GVEX151L01
     K21X03Q bC2021 12 06.90112803 15 49.21 -10 40 00.5          19.5 GVEX151L01
     K21X03Q bC2021 12 06.90346203 15 51.62 -10 39 03.7          19.7 GVEX151L01
     K21X03Q bC2021 12 06.90656303 15 54.82 -10 37 48.5          19.9 GVEX151L01
     K21X03Q bC2021 12 06.90941403 15 57.76 -10 36 39.6          19.4 GVEX151L01
     K21X03Q pC2021 12 07.87898103 31 04.13 -04 50 02.0                XEX151595
     K21X03Q KC2021 12 07.89208203 31 14.20 -04 45 55.1          19.5 GXEX151595

Observer details:
595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.5 reflector + CCD.
G15 Magroforte Observatory, Alessandria.  Observer A. De Pieri.  0.25-m f/6.7
    Schmidt-Cassegrain + 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, 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 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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R.
    Furgoni.  Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, L. Poropat.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.
N51 GROWTH India Telescope, IAO, Hanle.  Observers V. Swain, K. Sharma, H.
    Kumar, R. Norboo, V. Bhalerao, G. C. Anupama, S. Barway.  Measurers V.
    Swain, K. Sharma.  0.70-m f/6.5 Corrected Dall-Kirkham + CCD.

Orbital elements:
2021 XQ3                                                 Earth MOID = 0.0140 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  21.67919              (2000.0)            P               Q                  
n   0.23882311     Peri.  264.21972     +0.99568289     +0.04728002             
a   2.5728738      Node    93.05184     -0.01217378     +0.91963072             
e   0.7262827      Incl.    4.58796     -0.09201833     +0.38992811             
P   4.13           H   24.57          G   0.15           U   8                  
Residuals in seconds of arc
211206 G96  1.0+  1.4+    211206 I52  0.4+  0.2+    211206 K51  0.1-  0.2-
211206 G96  0.1+  0.3+    211206 I52  0.3-  0.2+    211206 K51  0.2-  0.7-
211206 G96  0.4-  0.7-    211206 I52  0.0   0.2+    211206 L01  1.1+  2.5+
211206 G96  0.3-  0.8-    211206 N51 (0.7+  3.8+)   211206 L01  0.6+  2.0+
211206 H01  0.2+  0.2+    211206 N51 (2.8+  3.3+)   211206 L01  0.6+  2.1+
211206 H01  0.1-  0.1-    211206 G15  1.8+  0.2-    211206 L01  0.6+  2.0+
211206 H01  0.0   0.2-    211206 G15  2.4+  0.2-    211206 L01  0.7+  1.9+
211206 H01  0.2-  0.2+    211206 G15  0.7-  0.4-    211207 595  0.0   0.5+
211206 I52  0.2+  0.2+    211206 K51  0.2-  0.4-    211207 595  0.8-  0.2+

Ephemeris:
2021 XQ3                 a,e,i = 2.57, 0.73, 5                   q = 0.7042
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 07    17 12 12.5 -32 32 59   0.3240  0.7553    36.4   128.8    27.1
...
2021 11 22    17 59 44.2 -41 23 22   0.1397  0.8767    34.8   140.0    26.9
...
2021 11 30    20 47 56.8 -56 41 05   0.05858 0.9575    59.0   118.0    23.0
...
2021 12 06    02 57 06.7 -17 26 06   0.05396 1.0220   131.5    46.2    20.0
2021 12 07    03 17 33.7 -09 58 55   0.06145 1.0330   139.8    38.0    20.1
2021 12 08    03 32 39.4 -04 11 09   0.07013 1.0440   145.9    31.9    20.2
...
2021 12 14    04 15 49.0 +12 22 39   0.1333  1.1109   160.4    17.3    21.3
...
2021 12 22    04 36 03.5 +19 11 58   0.2288  1.2012   160.0    16.3    22.6
...
2022 01 06    04 54 02.1 +23 23 35   0.4290  1.3705   149.6    21.3    24.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X151




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