[Iaude] MPEC Q69: 2001 PU9 [a=2.24,e=0.50,i=29.1,H=19.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Aug 25 09:55:21 EDT 2018


M.P.E.C. 2018-Q69                                Issued 2018 Aug. 25, 13:52 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


                                   2001 PU9
 
                           Revision to MPEC 2001-P39
 
Additional Observations:
     K01P09U  S2018 08 22.15210 04 14 50.82 -10 18 44.5          19   RLEQ069C51
     K01P09U  s2018 08 22.15210 1 +  589.2390 + 6782.5547 -  837.0059   EQ069C51
     K01P09U  S2018 08 22.28300 04 15 05.51 -10 21 41.1                LEQ069C51
     K01P09U  s2018 08 22.28300 1 +  576.0350 + 6781.3784 -  855.6706   EQ069C51
     K01P09U  S2018 08 22.34845 04 15 12.77 -10 23 04.9                LEQ069C51
     K01P09U  s2018 08 22.34845 1 +  569.4338 + 6780.7639 -  864.9899   EQ069C51
     K01P09U  S2018 08 22.47936 04 15 27.42 -10 26 00.0                LEQ069C51
     K01P09U  s2018 08 22.47936 1 +  556.2419 + 6779.4628 -  883.6937   EQ069C51
     K01P09U  S2018 08 22.54481 04 15 34.72 -10 27 28.3                LEQ069C51
     K01P09U  s2018 08 22.54481 1 +  549.7128 + 6778.6081 -  893.5935   EQ069C51
     K01P09U  S2018 08 22.93752 04 16 18.16 -10 36 15.0                LEQ069C51
     K01P09U  s2018 08 22.93752 1 +  510.1824 + 6774.1222 -  949.6972   EQ069C51
     K01P09U  S2018 08 23.00284 04 16 25.26 -10 37 43.3                LEQ069C51
     K01P09U  s2018 08 23.00284 1 +  493.6830 + 6785.1193 -  876.5965   EQ069C51
     K01P09U  S2018 08 23.00297 04 16 25.31 -10 37 42.5                LEQ069C51
     K01P09U  s2018 08 23.00297 1 +  503.6022 + 6773.3046 -  959.0704   EQ069C51
     K01P09U  S2018 08 23.13375 04 16 39.68 -10 40 39.0                LEQ069C51
     K01P09U  s2018 08 23.13375 1 +  480.5159 + 6783.6342 -  895.3540   EQ069C51
     K01P09U  S2018 08 23.26465 04 16 54.06 -10 43 34.6                LEQ069C51
     K01P09U  s2018 08 23.26465 1 +  467.3519 + 6782.0730 -  914.0852   EQ069C51
     K01P09U  S2018 08 23.52646 04 17 22.56 -10 49 25.9                LEQ069C51
     K01P09U  s2018 08 23.52646 1 +  441.3826 + 6778.3050 -  954.3325   EQ069C51
     K01P09U  S2018 08 23.65736 04 17 36.81 -10 52 22.3                LEQ069C51
     K01P09U  s2018 08 23.65736 1 +  428.2531 + 6776.4896 -  973.1615   EQ069C51
 
Observer details:
C51 WISE.  Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
    J. P. Chesley, R. M. Cutri, J. W. Dailey, E. Kramer, S. Sonnett,
    E. L. Wright.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
180822 C51 0.14- 0.05-    180823 C51 0.13- 0.05-    MPO 18352   +0.38 day
 
Orbital elements:
2001 PU9                                                 Earth MOID = 0.1187 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 338.51828              (2000.0)            P               Q
n   0.29317335     Peri.  159.62300     +0.59128498     +0.75614253
a   2.2441561      Node   144.84219     -0.79082316     +0.61178433
e   0.5047837      Incl.   29.14153     -0.15805318     -0.23231101
P   3.36           H   19.3           G   0.15           U   1
Residuals in seconds of arc
010812 608  0.0   0.9-    010813 644  0.6+  0.2-    010911 474  0.5+  0.4-
010812 608  0.1-  0.4-    010813 644  0.7+  0.2+    010911 474  0.2+  0.4-
010812 608 (0.0   1.9+)   010813 644  0.7+  0.0     010912 474  0.0   0.0
010812 046 (1.8-  2.9+)   010813 608  0.2-  0.1-    010912 474  0.0   0.0
010812 046 (0.7-  1.9+)   010813 608  0.1+  0.3-    010912 474  0.2+  0.5-
010812 557  0.2+  0.2+    010813 608  0.2+  0.2-    010912 474  0.3-  0.0
010812 557  0.2+  0.6-    010813 658  0.4+  0.6+    010925 829  0.9-  0.7+
010812 046 (0.0   1.6-)   010813 658  0.3+  0.5+    010925 829  0.7+  0.3+
010812 557  0.2-  0.0     010813 658  0.4+  0.3+    010925 829  0.5-  0.5+
010812 557  0.4+  0.9+    010813 608  0.3+  0.2-    180822 C51 (0.3-  2.0-)
010812 557  0.0   1.2+    010813 608  0.3-  0.3-    180822 C51 (0.2+  3.3-)
010812 046 (0.4+  1.8+)   010813 608  0.2-  0.3-    180822 C51  0.5-  0.6+
010812 557  0.6+  0.7+    010817 649  0.5+  0.2+    180822 C51  0.3+  0.9+
010812 046  0.2-  0.3+    010817 649  0.1-  0.3+    180822 C51  0.7+  0.3+
010812 557  0.4+  0.0     010817 649  0.4+  0.3+    180822 C51  0.5+  0.2+
010813 859  0.4-  1.2+    010822 649  0.2+  0.4-    180823 C51  0.9-  0.4-
010813 859 (1.8-  2.9+)   010822 649  0.7+  0.1+    180823 C51  0.4-  0.5+
010813 859 (1.0-  1.9+)   010822 649  1.0-  1.1+    180823 C51  0.3-  0.5-
010813 918  1.2-  0.8-    010823 413  0.4-  0.3-    180823 C51  0.4+  0.4-
010813 918  1.1-  1.4-    010823 413  0.7-  0.5+    180823 C51  0.2-  0.3-
010813 918  0.6-  0.8-    010823 413  0.2-  0.6-    180823 C51  0.4+  0.9-
010813 918  0.4-  0.6-    010911 474  0.2+  0.4-
010813 918 (0.1+  1.6+)   010911 474  0.0   0.2-

Ephemeris:
2001 PU9                 a,e,i = 2.24, 0.50, 29                  q = 1.1113
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 26    03 09 39.7 -00 38 25   0.9686  1.2565    78.5    52.4    21.7
...
2018 08 10    03 49 09.6 -05 51 32   0.9834  1.3388    84.2    48.9    21.7
...
2018 08 18    04 06 44.3 -08 46 24   0.9918  1.3867    87.6    46.8    21.8
...
2018 08 24    04 18 13.9 -11 00 00   0.9981  1.4240    90.3    45.2    21.8
2018 08 25    04 20 00.2 -11 22 25   0.9992  1.4303    90.7    45.0    21.8
2018 08 26    04 21 44.0 -11 44 52   1.0002  1.4367    91.2    44.7    21.8
...
2018 09 01    04 31 12.9 -14 00 09   1.0066  1.4751    94.1    43.0    21.8
...
2018 09 09    04 41 23.0 -17 01 01   1.0152  1.5275    98.1    40.8    21.9
...
2018 09 24    04 52 16.0 -22 31 52   1.0336  1.6274   106.0    36.3    21.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q69



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