[Iaude] MPEC K30: 2018 DN1 [a=1.61,e=0.40,i=2.7,H=24.0]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun May 17 21:44:07 EDT 2020
M.P.E.C. 2020-K30 Issued 2020 May 18, 01:42 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
2018 DN1
Revision to MPEC 2018-D68
Additional Observations:
K18D01N C2020 05 10.55365416 29 37.803+39 13 06.99 19.6 GVEK030F52
K18D01N C2020 05 10.56742716 29 41.030+39 09 59.82 20.1 GVEK030F52
K18D01N C2020 05 10.57992316 29 43.960+39 07 09.66 21.2 GVEK030F52
K18D01N C2020 05 10.59303516 29 47.130+39 04 09.70 20.5 GVEK030F52
K18D01N C2020 05 10.59368516 29 47.311+39 04 00.73 20.2 GVEK030F52
K18D01N C2020 05 12.54798316 38 13.674+32 15 35.92 20.3 GVEK030F52
K18D01N C2020 05 12.56047516 38 15.627+32 13 07.32 20.3 GVEK030F52
K18D01N C2020 05 17.55375216 50 54.697+18 34 15.32 20.37wUEK030F51
K18D01N C2020 05 17.56665616 50 55.472+18 32 29.42 20.50wUEK030F51
K18D01N C2020 05 17.89169 16 51 35.85 +17 48 08.9 21.2 VVEK030033
K18D01N C2020 05 17.89371 16 51 36.01 +17 47 52.9 21.2 VVEK030033
K18D01N C2020 05 17.89572 16 51 36.15 +17 47 37.5 21.1 VVEK030033
K18D01N KC2020 05 17.97262 16 51 42.82 +17 37 46.3 20.1 VqEK030I93
K18D01N KC2020 05 17.97719 16 51 43.16 +17 37 10.9 19.7 VqEK030I93
K18D01N KC2020 05 17.98056 16 51 43.40 +17 36 44.7 19.6 VqEK030I93
K18D01N KC2020 05 17.99873316 51 43.12 +17 34 23.9 20.4 GVEK030L01
K18D01N KC2020 05 18.00004716 51 43.21 +17 34 13.4 20.5 GVEK030L01
K18D01N KC2020 05 18.00136016 51 43.31 +17 34 02.8 20.5 GVEK030L01
K18D01N KC2020 05 18.00399816 51 43.45 +17 33 42.1 20.3 GVEK030L01
K18D01N KC2020 05 18.00532416 51 43.55 +17 33 31.7 20.4 GVEK030L01
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
200510 F52 22- 20- 200518 L01 19- 10- MPO435691 -2.07 days
Orbital elements:
2018 DN1 Earth MOID = 0.0267 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 26.51055 (2000.0) P Q
n 0.48224702 Peri. 59.42619 -0.98427199 +0.17295014
a 1.6104838 Node 130.50795 -0.17392593 -0.91296906
e 0.3981939 Incl. 2.71483 -0.03095825 -0.36956155
P 2.04 H 24.0 G 0.15 U 1
Residuals in seconds of arc
180223 G96 0.3- 0.3+ 180224 033 0.5- 0.1- 200510 F52 0.3- 0.4+
180223 G96 0.1- 0.3+ 180224 033 0.4+ 0.1- 200510 F52 0.1- 0.3-
180223 G96 1.0+ 0.1- 180224 033 0.1+ 0.1- 200510 F52 0.2+ 0.3-
180223 G96 0.8- 0.1- 180224 033 0.1- 0.2- 200512 F52 0.1+ 0.0
180223 I52 0.6- 1.0+ 180224 033 0.0 0.0 200512 F52 0.2+ 0.5+
180223 I52 0.0 0.1+ 180224 033 0.2- 0.1+ 200517 F51 0.0 0.0
180223 I52 0.3+ 0.1- 180224 033 0.4+ 0.3- 200517 F51 0.0 0.0
180223 I52 0.3+ 0.2- 180224 033 0.1+ 0.2+ 200517 033 0.3- 0.2-
180224 033 0.0 0.2- 180224 033 0.3+ 0.6+ 200517 033 0.2- 0.4-
180224 033 0.3+ 0.1- 180224 033 0.2- 0.5+ 200517 033 0.4- 0.2-
180224 033 0.5- 0.1+ 180225 033 0.0 0.0 200517 I93 0.6- 0.4-
180224 033 0.1+ 0.2- 180225 033 0.5- 0.3- 200517 I93 0.0 0.2-
180224 033 0.2+ 0.2- 180225 033 0.4+ 0.2+ 200517 I93 0.4+ 0.2-
180224 033 0.1+ 0.3- 180225 033 0.1- 0.1+ 200517 L01 0.1- 0.6+
180224 033 0.2+ 0.1- 180225 033 0.1+ 0.2+ 200518 L01 0.0 0.4+
180224 033 0.4+ 1.0- 180225 033 0.0 0.1- 200518 L01 0.3+ 0.1+
180224 033 0.1- 0.2- 180225 033 0.0 0.2+ 200518 L01 0.0 0.0
180224 033 0.2- 0.0 200510 F52 0.2+ 0.2- 200518 L01 0.2+ 0.0
180224 033 0.4- 0.1- 200510 F52 0.1+ 0.1+
Ephemeris:
2018 DN1 a,e,i = 1.61, 0.40, 3 q = 0.9692
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 04 18 06 20 03.9 +55 57 38 0.08241 0.9780 69.3 106.2 22.5
...
2020 05 03 14 46 04.9 +70 13 09 0.05028 1.0129 94.1 83.0 20.4
...
2020 05 11 16 31 53.8 +37 34 36 0.05692 1.0408 121.5 55.9 19.9
...
2020 05 17 16 49 58.4 +19 50 52 0.07238 1.0653 136.8 40.5 20.0
2020 05 18 16 51 42.8 +17 35 13 0.07553 1.0696 138.9 38.4 20.1
2020 05 19 16 53 13.8 +15 29 26 0.07880 1.0740 140.8 36.5 20.1
...
2020 05 25 16 59 05.1 +05 39 15 0.1007 1.1018 150.6 26.8 20.4
...
2020 06 02 17 02 20.1 -02 42 27 0.1350 1.1418 159.8 17.8 20.9
...
2020 06 17 17 04 39.2 -11 29 50 0.2137 1.2237 165.1 12.3 21.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-K30
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