[Iaude] MPEC X17: 2021 WE5 [a=2.42,e=0.58,i=4.8,H=27.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 1 08:04:22 EST 2021


M.P.E.C. 2021-X17                              Issued 2021 December 1, 13:02 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 WE5                                    


Observations:
     K21W05E* C2021 11 30.17417702 46 51.03 +21 56 03.9          21.52GVEX017G96
     K21W05E  C2021 11 30.18531702 47 08.13 +21 55 36.2          21.58GVEX017G96
     K21W05E  C2021 11 30.19088402 47 16.75 +21 55 21.9          21.31GVEX017G96
     K21W05E KC2021 11 30.25617002 48 57.69 +21 52 27.7          21.01GVEX017V06
     K21W05E KC2021 11 30.25712502 48 59.17 +21 52 24.5          21.70GVEX017V06
     K21W05E KC2021 11 30.25808102 49 00.67 +21 52 22.2          20.97GVEX017V06
     K21W05E  C2021 11 30.25964202 49 03.40 +21 52 19.6                VEX017V00
     K21W05E  C2021 11 30.26451202 49 10.70 +21 52 06.4          21.65GVEX017V00
     K21W05E  C2021 11 30.26936802 49 18.34 +21 51 52.4          20.95GVEX017V00
     K21W05E  C2021 11 30.27422402 49 25.80 +21 51 38.4          21.56GVEX017V00
     K21W05E KC2021 12 01.12366103 12 56.98 +21 05 23.6          21.2 VuEX017H21
     K21W05E KC2021 12 01.12436403 13 03.31 +21 05 32.6          20.99GVEX017I52
     K21W05E KC2021 12 01.12562503 13 05.33 +21 05 28.8          20.84GVEX017I52
     K21W05E KC2021 12 01.12688503 13 07.36 +21 05 23.8          20.45GVEX017I52
     K21W05E KC2021 12 01.12814603 13 09.40 +21 05 19.9          20.59GVEX017I52
     K21W05E KC2021 12 01.13214803 13 10.56 +21 04 53.5          21.5 VuEX017H21
     K21W05E KC2021 12 01.13765903 13 19.35 +21 04 33.4          21.3 VuEX017H21

Observer details:
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.
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. 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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m
    reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 WE5                                                 Earth MOID = 0.0359 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  14.11185              (2000.0)            P               Q                  
n   0.26137265     Peri.  174.96347     +0.43083494     -0.89896350             
a   2.4226794      Node   249.49735     +0.82498963     +0.42784396             
e   0.5783469      Incl.    4.84012     +0.36575041     +0.09388384             
P   3.77           H   27.49          G   0.15           U   8                  
Residuals in seconds of arc
211130 G96  1.6+  0.1-    211130 V00 (1.7+  0.2-)   211201 I52  0.1-  0.3+
211130 G96  0.4-  0.1+    211130 V00 (1.6-  0.4+)   211201 I52  0.0   0.4-
211130 G96  0.3-  0.1-    211130 V00  0.0   0.1+    211201 I52  0.4+  0.0
211130 V06  0.1-  0.1+    211130 V00 (0.9-  0.0 )   211201 H21  0.3-  0.3+
211130 V06  0.1-  0.3-    211201 H21 (1.7-  0.2+)   211201 H21  0.2+  0.0
211130 V06  0.2+  0.0     211201 I52  0.2-  0.1-

Ephemeris:
2021 WE5                 a,e,i = 2.42, 0.58, 5                   q = 1.0215
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 01    22 39 10.0 +16 37 23   0.1368  1.0784   125.9    48.2    25.1
...
2021 11 16    23 19 06.1 +19 11 22   0.07857 1.0331   122.3    54.1    24.0
...
2021 11 24    00 34 26.3 +22 07 26   0.05107 1.0227   132.8    45.1    22.8
...
2021 11 30    02 42 01.9 +22 04 14   0.03856 1.0218   156.4    22.7    21.6
2021 12 01    03 09 25.4 +21 14 11   0.03787 1.0222   161.7    17.6    21.4
2021 12 02    03 37 07.8 +20 06 05   0.03770 1.0228   167.0    12.5    21.2
...
2021 12 08    05 53 21.6 +10 36 29   0.04664 1.0296   162.2    17.1    21.8
...
2021 12 16    07 15 48.8 +02 43 16   0.07396 1.0475   147.8    30.0    23.2
...
2021 12 31    08 00 05.6 -00 54 35   0.1393  1.1052   149.1    27.2    24.6

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X17




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