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  • MPEC 2018-W39 : 2000 DN1

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    M.P.E.C. 2018-W39                                Issued 2018 Nov. 20, 03:30 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2000 DN1
    
                               Revision to MPEC 2000-D34
    
    Additional Observations:
         K00D01N  C2018 11 06.47691402 43 57.274+16 08 08.39         24.81GVEW039T14
         K00D01N  C2018 11 06.48295602 43 56.884+16 08 07.16         24.76GVEW039T14
         K00D01N  C2018 11 06.48899402 43 56.502+16 08 05.77         24.58GVEW039T14
         K00D01N  C2018 11 12.40466102 37 49.508+15 47 01.14         24.27GVEW039T14
         K00D01N  C2018 11 12.41070202 37 49.120+15 46 59.82         24.34GVEW039T14
         K00D01N  C2018 11 12.41674302 37 48.744+15 46 58.48         24.40GVEW039T14
    
    Observer details:
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observers C. Wipper,
        D. Woodworth.  Measurer D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    181106 T14 0.03+ 0.01+    181112 T14 0.03+ 0.01+    MPO  2744   -0.24 day
    
    Orbital elements:
    2000 DN1                                            PHA, Earth MOID = 0.0133 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 320.82271              (2000.0)            P               Q
    n   0.20040859     Peri.  146.30288     -0.98540101     +0.14394227
    a   2.8919569      Node    42.27060     -0.17006122     -0.85731521
    e   0.6669867      Incl.    7.76801     +0.00800232     -0.49425828
    P   4.92           H   19.9           G   0.15           U   1
    Residuals in seconds of arc
    000224 704  0.3+  0.7+    000227 118  0.2+  0.1-    000306 104 (3.5+  1.3+)
    000224 704  0.9+  0.8+    000228 046  0.7+  0.5-    000306 104 (3.0+  1.2+)
    000224 704  0.8+  0.2+    000228 046  0.0   0.8+    000306 104 (4.6+  0.4+)
    000225 611  0.2-  1.2+    000228 046  0.0   0.5-    000306 587  0.9-  0.5-
    000225 611  0.1-  1.3+    000228 046  0.1+  0.1+    000306 587  0.4-  0.5+
    000225 611  0.3+  1.6-    000228 557  0.2-  0.2-    000306 046  0.4+  0.7+
    000225 557  0.3-  0.2-    000228 557  0.6-  0.3-    000306 046  0.5+  0.7+
    000225 557  0.2+  0.2-    000228 557  0.3+  0.3-    000312 104 (2.4-  1.1-)
    000225 557  0.2-  0.3-    000228 118  0.4+  0.2+    000312 104  0.4-  1.1+
    000226 651  0.3+  0.1-    000228 118  0.6+  0.9-    000312 104 (2.3-  0.8-)
    000226 651  0.7+  0.6+    000228 118  0.5-  0.0     000501 413  0.3-  0.1+
    000226 651 (2.1+  1.1+)   000229 704  0.4-  0.3-    000501 413  0.3-  0.1+
    000226 557  0.7+  0.1-    000229 704  0.4+  0.0     000501 413  0.4-  0.4+
    000226 557  0.1+  0.4-    000229 704  1.3-  1.0+    000612 413  1.0-  0.3+
    000226 557  0.2-  0.3-    000229 704  0.9-  0.1-    000612 413  0.5+  0.7-
    000226 118  0.9+  0.1-    000229 704  0.8-  0.4-    000613 413  0.5+  0.3-
    000226 118  0.0   0.6+    000302 118  0.7+  1.4-    000613 413  0.5+  0.4-
    000226 118 (2.4+  0.4-)   000302 118  0.1-  0.2-    000614 413  0.7+  0.0
    000226 046  0.3-  0.1-    000302 118  0.2+  0.5-    000614 413  1.3+  0.9-
    000226 046  0.8-  0.1-    000302 540  0.4+  0.0     000708 413  0.1-  0.3+
    000226 046  0.0   0.1+    000302 540  0.8+  0.1+    000708 413  0.6-  0.1-
    000226 046  0.7-  0.6+    000302 540  0.1+  0.0     000708 413  0.7-  0.1+
    000226 046  0.2+  0.1+    000302 540  0.9-  0.3+    181106 T14  0.1+  0.1-
    000227 651  0.1+  0.1-    000304 104  0.4-  0.2-    181106 T14  0.0   0.1-
    000227 651  1.2+  1.2-    000304 104  0.8-  0.4-    181106 T14  0.1-  0.2-
    000227 651  0.8-  0.2+    000304 104  1.4-  0.9-    181112 T14  0.0   0.1-
    000227 118  0.0   0.8-    000304 104  0.7+  0.6-    181112 T14  0.1-  0.1-
    000227 118  0.7-  0.5+    000304 104  0.1+  0.1+    181112 T14  0.0   0.2-
    
    Ephemeris:
    2000 DN1                 a,e,i = 2.89, 0.67, 8                   q = 0.9631
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 10 21    02 59 53.5 +16 58 59   2.6709  3.6219   159.9     5.4    25.3
    ...
    2018 11 05    02 45 28.4 +16 13 15   2.5543  3.5456   178.3     0.5    24.8
    ...
    2018 11 13    02 37 12.7 +15 44 52   2.5218  3.5038   171.6     2.4    24.9
    ...
    2018 11 19    02 31 05.5 +15 23 04   2.5111  3.4718   164.0     4.5    25.0
    2018 11 20    02 30 05.6 +15 19 27   2.5104  3.4665   162.7     4.9    25.0
    2018 11 21    02 29 06.1 +15 15 52   2.5100  3.4611   161.5     5.2    25.0
    ...
    2018 11 27    02 23 22.3 +14 54 53   2.5142  3.4285   154.0     7.2    25.1
    ...
    2018 12 05    02 16 29.5 +14 29 27   2.5357  3.3844   144.2     9.8    25.2
    ...
    2018 12 20    02 06 52.1 +13 55 15   2.6173  3.2992   126.5    13.9    25.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-W39
    

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