MPEC 2023-F187 : 2018 FD
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M.P.E.C. 2023-F187 Issued 2023 March 28, 10:57 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 FD
Revision to MPEC 2018-F26
Additional Observations:
K18F00D KC2023 03 26.17780 16 03 44.13 +03 38 26.8 19.8 G EF187J43
K18F00D KC2023 03 26.18488 16 03 45.08 +03 39 29.2 19.9 G EF187J43
K18F00D KC2023 03 26.19196 16 03 46.03 +03 40 30.1 19.8 G EF187J43
K18F00D |C2023 03 27.33818 16 07 22.65 +06 41 29.3 20.3 VuEF187807
K18F00D |C2023 03 27.34010 16 07 22.94 +06 41 48.4 20.0 VuEF187807
K18F00D |C2023 03 27.34202 16 07 23.20 +06 42 07.6 19.9 VuEF187807
K18F00D KC2023 03 27.39193916 07 36.048+06 47 56.65 20.31GVEF187I52
K18F00D KC2023 03 27.39321416 07 36.260+06 48 09.43 20.44GVEF187I52
K18F00D KC2023 03 27.39449716 07 36.458+06 48 22.36 20.19GVEF187I52
K18F00D KC2023 03 27.39577716 07 36.649+06 48 35.24 20.38GVEF187I52
K18F00D KC2023 03 27.41254 16 07 37.08 +06 51 10.8 19.8 VqEF187H36
K18F00D KC2023 03 27.41759 16 07 37.80 +06 52 01.7 19.8 VqEF187H36
K18F00D KC2023 03 27.42263 16 07 38.58 +06 52 53.6 19.4 VqEF187H36
K18F00D KC2023 03 27.97739316 09 38.45 +08 28 01.2 19.4 GXEF187I93
K18F00D KC2023 03 27.98235716 09 39.37 +08 28 53.4 18.8 GXEF187I93
K18F00D KC2023 03 27.98720016 09 40.28 +08 29 45.6 19.8 GXEF187I93
K18F00D KC2023 03 28.03390916 09 47.52 +08 38 08.8 18.9 GVEF187L01
K18F00D KC2023 03 28.03559516 09 47.79 +08 38 27.1 18.7 GVEF187L01
K18F00D KC2023 03 28.03728216 09 48.10 +08 38 45.2 18.9 GVEF187L01
K18F00D KC2023 03 28.03896916 09 48.40 +08 39 03.3 19.1 GVEF187L01
K18F00D KC2023 03 28.04044416 09 48.66 +08 39 19.0 19.1 GVEF187L01
K18F00D KC2023 03 28.04215916 09 48.97 +08 39 37.5 19.1 GVEF187L01
K18F00D KC2023 03 28.05307 16 09 51.36 +08 41 32.9 19.6 GVEF187204
K18F00D KC2023 03 28.07336 16 09 54.86 +08 45 12.2 VEF187204
K18F00D KC2023 03 28.31033116 10 47.46 +09 28 23.9 20.5 GVEF187H21
K18F00D KC2023 03 28.31312816 10 47.97 +09 28 54.9 20.2 GVEF187H21
K18F00D KC2023 03 28.31592616 10 48.45 +09 29 25.9 20.1 GVEF187H21
K18F00D KC2023 03 28.31835116 10 48.88 +09 29 53.0 20.4 GVEF187H21
K18F00D |C2023 03 28.32724 16 10 48.42 +09 34 23.1 19.8 GVEF187807
K18F00D |C2023 03 28.33138 16 10 49.10 +09 35 09.1 19.8 GVEF187807
K18F00D |C2023 03 28.33554 16 10 49.78 +09 35 55.1 19.8 GVEF187807
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD, 1.00-m f/10.0
astrograph + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.8 .56 meter
reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
K. W. Wierzchos. 1.0-m prime focus + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J43 Oukaimeden Observatory, Marrakech. Observer C. Rinner. 0.5-m f/3
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 two decimals in degrees), reference and Delta-T
230326 J43 5.53- 2.77- 230328 807 6.25- 3.71- MPO446984 -0.69 days
Orbital elements:
2018 FD Earth MOID = 0.0399 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 169.94841 (2000.0) P Q
n 1.38660259 Peri. 179.21796 +0.98793376 +0.15429454
a 0.7964675 Node 171.86916 -0.14260699 +0.94004362
e 0.3256431 Incl. 5.44433 -0.06041625 +0.30415651
P 0.71 H 24.29 G 0.15 U 1
Residuals in seconds of arc
180316 G96 0.0 0.4- 180318 F51 0.3- 0.1+ 230326 J43 0.3+ 0.4+
180316 G96 0.2- 0.2- 180318 F51 0.1+ 0.0 230326 J43 0.7+ 0.9-
180316 703 0.1+ 0.5+ 180318 F51 0.1- 0.0 230327 807 0.2- 0.0
180316 G96 0.2- 0.2- 180318 F51 0.0 0.0 230327 807 0.1- 0.0
180316 703 0.4- 0.4+ 180319 I52 0.1+ 0.2+ 230327 807 0.4- 0.1+
180316 G96 0.3+ 0.4- 180319 I52 0.2- 0.0 230327 I52 0.1- 0.3-
180316 703 0.1+ 0.6- 180319 I52 0.0 0.0 230327 I52 0.1+ 0.3-
180316 703 0.1+ 0.3- 180319 I52 0.1- 0.0 230327 I52 0.1+ 0.3-
180316 I52 0.5+ 0.5+ 180319 703 0.2- 0.1+ 230327 I52 0.1+ 0.2-
180316 I52 0.3- 0.1- 180319 703 0.3+ 0.4+ 230327 H36 0.1+ 0.1-
180316 I52 0.0 0.3- 180319 703 0.3+ 0.5- 230327 H36 0.6- 0.2+
180316 I52 0.3- 0.5+ 180320 I52 0.7- 0.1- 230327 H36 0.4- 1.6+
180316 I52 0.1+ 1.1- 180320 I52 0.4- 0.0 230327 I93 0.7+ 0.7+
180316 I52 0.8- 0.7- 180320 I52 0.2- 0.1+ 230327 I93 0.2+ 0.3-
180316 I52 0.5+ 0.2- 180321 I52 0.1+ 0.2+ 230327 I93 0.0 0.1-
180316 I52 0.4- 0.3- 180321 I52 0.1- 0.2+ 230328 L01 0.2- 0.1-
180316 658 0.0 2.8+ 180321 I52 0.3+ 0.6+ 230328 L01 0.5- 0.0
180316 658 0.0 2.5+ 180321 I52 0.2- 0.0 230328 L01 0.2- 0.0
180316 658 0.1+ 2.4+ 180322 I52 0.8+ 0.2+ 230328 L01 0.1- 0.0
180316 J95 0.2+ 0.2- 180322 I52 0.4- 0.3- 230328 L01 0.1- 0.2-
180316 J95 0.6+ 0.6+ 180322 I52 0.3- 0.3- 230328 L01 0.1+ 0.2-
180316 J95 0.3+ 0.2+ 180323 I52 0.1- 0.3- 230328 204 0.1+ 0.4-
180317 807 0.1- 0.7- 180323 I52 0.5- 0.1- 230328 204 0.0 0.1+
180317 807 0.2+ 0.2- 180323 I52 0.4+ 0.0 230328 H21 0.1- 0.1-
180317 807 0.2+ 0.2- 180324 I52 0.2+ 0.0 230328 H21 0.1+ 0.1-
180317 I52 0.2- 0.6- 180324 I52 1.4+ 0.7+ 230328 H21 0.0 0.1-
180317 I52 0.1- 0.1- 180324 I52 1.8+ 0.4+ 230328 H21 0.0 0.0
180317 I52 0.4+ 0.1+ 180324 I52 0.1- 0.3- 230328 807 0.1+ 0.4-
180317 I52 0.1+ 0.2- 180404 291 0.9- 0.0 230328 807 0.1+ 0.3-
180317 P93 0.3+ 0.7- 180404 291 0.1- 0.1+ 230328 807 0.1+ 0.4-
180317 P93 0.5+ 0.5- 180404 291 0.2- 0.3+
180317 P93 0.3+ 0.5- 230326 J43 0.1- 0.1+
Ephemeris:
2018 FD a,e,i = 0.80, 0.33, 5 q = 0.5371
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 26 15 11 49.5 -20 55 06 0.1836 1.0541 105.6 64.8 23.0
...
2023 03 13 15 35 39.4 -14 20 40 0.1191 1.0525 116.7 57.5 21.9
...
2023 03 21 15 50 46.6 -06 06 52 0.08565 1.0437 121.9 54.1 21.0
...
2023 03 27 16 06 15.8 +05 44 59 0.06303 1.0335 123.2 53.9 20.3
2023 03 28 16 09 36.5 +08 33 28 0.05968 1.0314 122.8 54.4 20.2
2023 03 29 16 13 18.5 +11 41 04 0.05650 1.0293 122.2 55.1 20.1
...
2023 04 04 16 49 46.8 +38 22 48 0.04296 1.0150 109.5 68.2 19.9
...
2023 04 12 21 05 05.3 +74 57 25 0.04811 0.9910 75.2 102.1 21.4
...
2023 04 27 02 32 47.3 +53 38 49 0.1010 0.9314 40.2 135.8 25.5
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F187
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