[Iaude] MPEC E33: 2015 DW180 [a=1.76,e=0.36,i=11.3,H=21.45]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Mar 2 09:06:28 EST 2022


M.P.E.C. 2022-E33                                 Issued 2022 March 2, 14:05 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

                                   2015 DW180                                   


                           Revision to MPEC 2015-D70                            

Additional Observations:
     K15DI0W  C2022 02 08.53469813 16 37.990+13 35 21.81         22.11wUEE033F52
     K15DI0W  C2022 02 08.54483413 16 37.614+13 35 19.28         22.26wUEE033F52
     K15DI0W  C2022 02 08.55500013 16 37.228+13 35 16.36         22.31wUEE033F52
     K15DI0W  C2022 03 01.36266612 51 32.40 +12 16 05.4                VEE033G96
     K15DI0W  C2022 03 01.36781612 51 31.82 +12 16 04.3          22.08GVEE033G96
     K15DI0W  C2022 03 01.37820612 51 30.62 +12 16 01.7          21.68GVEE033G96

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
    Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers E. J.
    Christensen, G. A. Farneth, J. B. Fazekas, 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, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m
    reflector + 10K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220208 F52 0.25- 0.36-    220301 G96 0.36- 0.35-    MPO335377   -0.35 days

Orbital elements:
2015 DW180                                               Earth MOID = 0.2069 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  28.11794              (2000.0)            P               Q                  
n   0.42275344     Peri.   64.39736     +0.10078286     -0.99262713             
a   1.7582392      Node    20.16318     +0.82831004     +0.04622223             
e   0.3642336      Incl.   11.26522     +0.55113092     +0.11204863             
P   2.33           H   21.45          G   0.15           U   2                  
Residuals in seconds of arc
150217 F51  0.0   0.1+    150220 H21  0.3+  0.6+    150325 F51  0.0   0.1-
150217 F51  0.0   0.1+    150224 H21  1.0+  0.7+    150325 F51  0.2+  0.3+
150217 F51  0.0   0.0     150224 H21 (1.6+  0.1-)   150325 F51  0.0   0.3+
150218 F51  0.0   0.2-    150224 H21 (2.0+  0.3-)   150325 F51  0.1+  0.4+
150218 F51  0.2-  0.3-    150310 291  0.3+  0.1+    220208 F52  0.1-  0.0
150218 F51  0.1-  0.4-    150310 291 (1.0-  0.5+)   220208 F52  0.0   0.1+
150218 568  0.1+  0.1+    150310 291  0.6-  0.1-    220208 F52  0.0   0.2-
150218 568  0.1+  0.2+    150313 291  0.3-  0.5-    220301 G96  0.2+  0.4+
150218 568  0.1+  0.1+    150313 291  0.1-  0.3-    220301 G96  0.3+  0.4+
150220 H21  0.3+  0.6+    150313 291  0.3-  0.7-    220301 G96  0.0   0.3+

Ephemeris:
2015 DW180               a,e,i = 1.76, 0.36, 11                  q = 1.1178
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 01 31    13 18 34.7 +14 18 13   0.5548  1.3281   116.4    41.7    22.4
...
2022 02 15    13 11 47.7 +13 09 14   0.5335  1.4000   131.6    31.8    22.2
...
2022 02 23    13 01 58.8 +12 40 08   0.5286  1.4397   141.1    25.5    22.0
...
2022 03 01    12 52 11.1 +12 17 38   0.5302  1.4699   148.7    20.5    21.9
2022 03 02    12 50 23.2 +12 13 37   0.5310  1.4749   150.0    19.6    21.9
2022 03 03    12 48 32.9 +12 09 30   0.5319  1.4800   151.3    18.8    21.9
...
2022 03 09    12 36 53.0 +11 42 01   0.5414  1.5104   158.9    13.7    21.8
...
2022 03 17    12 20 40.1 +10 56 06   0.5651  1.5509   167.2     8.2    21.7
...
2022 04 01    11 53 50.3 +09 01 23   0.6460  1.6265   162.3    10.7    22.2

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-E33




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