MPEC 2018-D57 : 2018 DB1
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M.P.E.C. 2018-D57 Issued 2018 Feb. 25, 15:44 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
2018 DB1
Observations:
K18D01B* C2018 02 23.19184 08 40 56.22 +02 23 04.7 19.0 GUED057G96
K18D01B C2018 02 23.19697 08 40 57.23 +02 25 05.3 19.3 GUED057G96
K18D01B C2018 02 23.20209 08 40 58.30 +02 27 05.7 19.1 GUED057G96
K18D01B C2018 02 23.20721 08 40 59.29 +02 29 03.5 17.7 GUED057G96
K18D01B C2018 02 23.25416808 41 07.61 +02 47 27.8 19.0 GUED057H01
K18D01B C2018 02 23.26061608 41 08.92 +02 50 00.0 19.3 GUED057H01
K18D01B C2018 02 23.28161408 41 13.21 +02 58 16.7 19.2 GUED057H01
K18D01B C2018 02 23.28522108 41 13.97 +02 59 41.9 18.7 GUED057H01
K18D01B C2018 02 23.33630 08 41 25.74 +03 19 59.4 19.1 GUED057I52
K18D01B C2018 02 23.33648 08 41 25.77 +03 20 03.5 18.9 GUED057I52
K18D01B C2018 02 23.33666 08 41 25.84 +03 20 08.2 19.0 GUED057I52
K18D01B C2018 02 23.33684 08 41 25.85 +03 20 12.9 19.1 GUED057I52
K18D01B KC2018 02 23.81531 08 44 20.58 +06 31 04.3 UED057J95
K18D01B KC2018 02 23.82018 08 44 21.94 +06 33 02.8 UED057J95
K18D01B KC2018 02 23.83336 08 44 25.45 +06 38 26.7 UED057J95
K18D01B KC2018 02 23.83674 08 44 26.32 +06 39 50.1 19.3 GUED057J95
K18D01B KC2018 02 23.84971 08 44 32.11 +06 46 11.4 19.4 RUED057Z84
K18D01B KC2018 02 23.85504 08 44 33.40 +06 48 22.6 19.0 RUED057Z84
K18D01B KC2018 02 23.86014 08 44 34.61 +06 50 28.2 18.5 RUED057Z84
K18D01B KC2018 02 23.86201 08 44 29.77 +06 50 17.1 19.6 RqED057113
K18D01B KC2018 02 23.86664 08 44 30.94 +06 52 11.0 18.9 RqED057113
K18D01B KC2018 02 23.87591 08 44 33.27 +06 55 57.3 18.6 RqED057113
K18D01B KC2018 02 23.88055 08 44 34.30 +06 57 52.4 19.0 RqED057113
K18D01B KC2018 02 23.96204 08 45 02.88 +07 33 01.2 19.5 RqED057J22
K18D01B KC2018 02 23.96510 08 45 03.52 +07 34 15.9 19.2 RqED057J22
K18D01B KC2018 02 23.96823 08 45 04.20 +07 35 33.2 19.2 RqED057J22
K18D01B KC2018 02 24.78974 08 49 58.39 +13 16 26.7 19.2 VSED057C43
K18D01B KC2018 02 24.79110 08 49 58.84 +13 17 01.4 19.1 VSED057C43
K18D01B KC2018 02 24.79247 08 49 59.25 +13 17 36.0 19.2 VSED057C43
K18D01B KC2018 02 24.87396 08 50 22.96 +13 52 39.7 qED057595
K18D01B KC2018 02 24.87663 08 50 23.68 +13 53 47.9 18.7 VqED057595
K18D01B C2018 02 25.13074708 52 07.54 +15 42 26.1 19.1 GUED057H01
K18D01B C2018 02 25.13337 08 52 09.42 +15 43 38.9 19.6 GUED057I52
K18D01B C2018 02 25.13429 08 52 09.70 +15 44 02.8 18.6 GUED057I52
K18D01B C2018 02 25.13447 08 52 09.76 +15 44 07.4 19.3 GUED057I52
K18D01B C2018 02 25.13465 08 52 09.77 +15 44 12.4 20.4 GUED057I52
K18D01B C2018 02 25.13547808 52 08.86 +15 44 28.1 18.8 GUED057H01
K18D01B C2018 02 25.14642908 52 11.90 +15 49 10.3 18.8 GUED057H01
K18D01B C2018 02 25.15618708 52 14.58 +15 53 21.7 18.8 GUED057H01
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann,
G. Wollenhaupt. 0.5-m f/4.6 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer J. A. Johnson. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls,
R. A. Kowalski. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9 astrograph
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2018 DB1 Earth MOID = 0.0236 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 15.93489 (2000.0) P Q
n 0.89167725 Peri. 7.70045 -0.95783997 -0.27670542
a 1.0690490 Node 155.80074 +0.25252066 -0.93916671
e 0.0522164 Incl. 10.87108 +0.13702524 -0.20346992
P 1.11 H 26.0 G 0.15 U 6
Residuals in seconds of arc
180223 G96 0.4+ 0.0 180223 J95 0.4+ 0.6- 180224 C43 1.1- 0.2+
180223 G96 0.1- 0.3- 180223 J95 0.1+ 0.3- 180224 C43 0.4- 0.1+
180223 G96 0.3+ 0.5- 180223 J95 0.3- 0.1+ 180224 C43 0.3- 0.3-
180223 G96 (0.4- 3.4-) 180223 Z84 0.0 0.2- 180224 595 0.5+ 0.9-
180223 H01 0.0 0.1+ 180223 Z84 0.1+ 0.1- 180224 595 0.5+ 0.7-
180223 H01 0.0 0.1- 180223 Z84 0.1- 0.0 180225 H01 0.2+ 0.1+
180223 H01 0.2- 0.2+ 180223 113 0.1+ 0.8+ 180225 I52 0.1- 0.0
180223 H01 0.0 0.0 180223 113 0.4+ 1.1+ 180225 I52 0.2+ 0.1+
180223 I52 0.1- 0.1- 180223 113 1.0+ 0.2- 180225 I52 0.3+ 0.1+
180223 I52 0.2- 0.3- 180223 113 0.7- 1.0+ 180225 I52 0.3- 0.4+
180223 I52 0.2+ 0.2+ 180223 J22 0.0 0.5+ 180225 H01 0.1+ 0.1+
180223 I52 0.2- 0.6+ 180223 J22 0.3- 0.3- 180225 H01 0.1+ 0.1+
180223 J95 0.3- 0.5+ 180223 J22 0.2- 0.2- 180225 H01 0.2+ 0.2+
Ephemeris:
2018 DB1 a,e,i = 1.07, 0.05, 11 q = 1.0132
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 26 07 49 56.9 -51 15 18 0.1027 1.0231 109.3 65.3 23.4
...
2018 02 10 08 01 55.1 -41 49 08 0.05801 1.0169 119.9 57.3 21.9
...
2018 02 18 08 19 35.7 -23 54 58 0.03635 1.0148 136.0 42.6 20.5
...
2018 02 24 08 45 12.3 +07 50 14 0.02671 1.0138 154.6 24.7 19.3
2018 02 25 08 51 06.4 +14 48 39 0.02629 1.0137 154.9 24.5 19.3
2018 02 26 08 57 36.1 +21 53 02 0.02629 1.0136 153.2 26.1 19.3
...
2018 03 04 09 52 15.5 +55 58 46 0.03404 1.0132 129.0 49.5 20.5
...
2018 03 12 11 54 08.5 +73 23 24 0.05465 1.0136 110.0 67.1 22.1
...
2018 03 27 15 02 24.1 +75 45 25 0.09792 1.0168 98.5 76.0 23.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D57
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