[Iaude] MPEC Y80: 2021 YT [a=1.93,e=0.36,i=8.4,H=22.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 31 16:08:18 EST 2021


M.P.E.C. 2021-Y80                             Issued 2021 December 31, 21:06 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 YT                                     


Observations:
     K21Y00T* C2021 12 27.21604505 24 11.50 +13 17 04.7          20.92GVEY080G96
     K21Y00T  C2021 12 27.22125305 24 11.44 +13 17 13.6          20.86GVEY080G96
     K21Y00T  C2021 12 27.22646105 24 11.40 +13 17 23.4          21.48GVEY080G96
     K21Y00T KC2021 12 27.24774805 24 11.04 +13 18 01.7          21.03GVEY080I52
     K21Y00T KC2021 12 27.25081505 24 11.00 +13 18 07.0          21.01GVEY080I52
     K21Y00T KC2021 12 27.25388305 24 10.95 +13 18 12.6          20.41GVEY080I52
     K21Y00T KC2021 12 27.31495605 24 10.01 +13 20 01.6                VEY080I52
     K21Y00T KC2021 12 27.32109505 24 09.94 +13 20 12.3                VEY080I52
     K21Y00T KC2021 12 31.14823 05 24 12.00 +15 18 06.5          20.7 RqEY080734
     K21Y00T KC2021 12 31.15886 05 24 11.94 +15 18 26.1          20.6 RqEY080734
     K21Y00T KC2021 12 31.16940 05 24 11.92 +15 18 46.9          21.1 RqEY080734
     K21Y00T hC2021 12 31.83057505 24 15.60 +15 39 40.7          21.3 VSEY080L01
     K21Y00T hC2021 12 31.83369505 24 15.61 +15 39 46.5          21.0 VSEY080L01
     K21Y00T hC2021 12 31.84602805 24 15.59 +15 40 10.2          21.1 VSEY080L01
     K21Y00T hC2021 12 31.85023805 24 15.53 +15 40 18.0          21.1 VSEY080L01

Observer details:
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 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, D. Rankin, R. L. Seaman, F. C.
    Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 YT                                                  Earth MOID = 0.2579 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M   1.57637              (2000.0)            P               Q                  
n   0.36852177     Peri.    1.50425     -0.32492815     -0.93552918             
a   1.9267585      Node   107.47307     +0.86617408     -0.35321158             
e   0.3558056      Incl.    8.35424     +0.37968957     +0.00516988             
P   2.67           H   22.65          G   0.15           U   9                  
Residuals in seconds of arc
211227 G96  0.2-  0.4+    211227 I52  0.1-  0.1+    211231 734  0.4+  0.2+
211227 G96  0.1-  0.2-    211227 I52  0.5-  0.4-    211231 L01  0.2-  0.2+
211227 G96  0.5+  0.2+    211227 I52  0.2-  0.6-    211231 L01  0.1+  0.0
211227 I52  0.1-  0.2+    211231 734  0.1-  0.2+    211231 L01  0.3+  0.0
211227 I52  0.0   0.0     211231 734  0.1-  0.5-    211231 L01  0.4-  0.3-

Ephemeris:
2021 YT                  a,e,i = 1.93, 0.36, 8                   q = 1.2412
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 12 01    05 28 20.1 +04 22 45   0.3456  1.3118   157.3    16.9    21.8
...
2021 12 16    05 26 06.2 +08 21 44   0.2984  1.2747   165.0    11.6    21.3
...
2021 12 24    05 24 31.2 +11 43 54   0.2849  1.2602   164.2    12.2    21.2
...
2021 12 30    05 24 07.8 +14 42 17   0.2803  1.2518   161.1    14.7    21.2
2021 12 31    05 24 10.7 +15 13 37   0.2800  1.2507   160.4    15.3    21.2
2022 01 01    05 24 15.9 +15 45 19   0.2798  1.2496   159.7    15.8    21.2
...
2022 01 07    05 25 46.8 +19 00 11   0.2814  1.2444   155.2    19.3    21.4
...
2022 01 15    05 31 00.1 +23 19 34   0.2905  1.2413   148.8    24.2    21.6
...
2022 01 30    05 51 59.5 +30 19 19   0.3266  1.2472   138.0    31.9    22.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y80




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