MPEC 2018-H48 : 2018 HL
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Read MPEC 2018-H49
M.P.E.C. 2018-H48 Issued 2018 Apr. 20, 15:23 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 HL
Observations:
K18H00L* C2018 04 18.23776 11 42 19.24 +40 00 38.7 21.0 GUEH048G96
K18H00L C2018 04 18.24424 11 42 19.28 +40 00 03.3 21.4 GUEH048G96
K18H00L C2018 04 18.25578 11 42 19.39 +39 58 57.7 21.0 GUEH048G96
K18H00L C2018 04 18.26519 11 42 19.44 +39 58 03.4 21.3 GUEH048G96
K18H00L C2018 04 18.29991611 42 19.51 +39 54 42.6 21.9 GUEH048H01
K18H00L C2018 04 18.30295311 42 19.51 +39 54 25.1 21.1 GUEH048H01
K18H00L C2018 04 18.31452811 42 19.64 +39 53 18.4 20.9 GUEH048H01
K18H00L C2018 04 18.32444711 42 19.75 +39 52 21.1 20.9 GUEH048H01
K18H00L C2018 04 18.35955 11 42 20.31 +39 49 00.0 21.0 GUEH048I52
K18H00L C2018 04 18.36287 11 42 20.29 +39 48 41.7 21.6 GUEH048I52
K18H00L C2018 04 18.36618 11 42 20.38 +39 48 22.2 21.5 GUEH048I52
K18H00L C2018 04 18.86085 11 42 38.90 +39 01 57.9 21.1 VSEH048033
K18H00L C2018 04 18.86379 11 42 38.95 +39 01 41.5 20.8 VSEH048033
K18H00L C2018 04 18.86674 11 42 38.98 +39 01 25.3 21.0 VSEH048033
K18H00L C2018 04 18.86968 11 42 39.02 +39 01 08.8 21.2 VSEH048033
K18H00L C2018 04 18.87262 11 42 39.04 +39 00 52.3 20.8 VSEH048033
K18H00L KC2018 04 18.89040 11 42 39.18 +38 59 18.4 20.8 VSEH048L01
K18H00L KC2018 04 18.89535 11 42 39.15 +38 58 51.0 20.8 VSEH048L01
K18H00L KC2018 04 18.90030 11 42 39.23 +38 58 22.7 21.0 VSEH048L01
K18H00L IC2018 04 18.90607 11 42 39.32 +38 57 50.2 20.9 VSEH048L01
K18H00L KC2018 04 18.93783 11 42 39.97 +38 54 52.5 21.2 GUEH048204
K18H00L KC2018 04 18.96327 11 42 40.32 +38 52 29.4 UEH048204
K18H00L KC2018 04 18.98944 11 42 40.65 +38 50 02.4 UEH048204
K18H00L C2018 04 19.00096 11 42 40.89 +38 48 52.5 21.6 VSEH048033
K18H00L C2018 04 19.00379 11 42 40.96 +38 48 36.4 21.2 VSEH048033
K18H00L C2018 04 19.00662 11 42 41.00 +38 48 20.5 21.3 VSEH048033
K18H00L C2018 04 19.00944 11 42 41.07 +38 48 04.5 21.5 VSEH048033
K18H00L C2018 04 19.01228 11 42 41.14 +38 47 48.4 20.7 VSEH048033
K18H00L C2018 04 19.01510 11 42 41.17 +38 47 32.6 21.0 VSEH048033
K18H00L C2018 04 19.08826 11 42 42.83 +38 40 38.7 21.6 VSEH048033
K18H00L C2018 04 19.09109 11 42 42.91 +38 40 22.6 21.0 VSEH048033
K18H00L C2018 04 19.09391 11 42 42.99 +38 40 07.0 21.7 VSEH048033
K18H00L C2018 04 19.09675 11 42 43.05 +38 39 50.7 21.5 VSEH048033
K18H00L C2018 04 19.09957 11 42 43.15 +38 39 35.0 21.8 VSEH048033
K18H00L C2018 04 19.10241 11 42 43.24 +38 39 18.5 21.8 VSEH048033
K18H00L C2018 04 19.10523 11 42 43.34 +38 39 02.9 21.4 VSEH048033
K18H00L C2018 04 19.10807 11 42 43.42 +38 38 46.3 21.6 VSEH048033
K18H00L C2018 04 19.27005 11 42 50.11 +38 24 24.2 21.0 GUEH048I52
K18H00L C2018 04 19.27253 11 42 50.14 +38 24 10.5 UEH048I52
K18H00L C2018 04 19.27502 11 42 50.13 +38 23 56.3 UEH048I52
K18H00L C2018 04 19.27750 11 42 50.14 +38 23 42.1 21.3 GUEH048I52
K18H00L 1C2018 04 19.30242 11 42 51.39 +38 21 11.4 EH048658
K18H00L 1C2018 04 19.30765 11 42 51.40 +38 20 43.2 EH048658
K18H00L 1C2018 04 19.30914 11 42 51.42 +38 20 35.3 EH048658
K18H00L C2018 04 19.82868 11 43 09.85 +37 33 11.0 21.6 VSEH048033
K18H00L C2018 04 19.83174 11 43 09.89 +37 32 54.9 21.3 VSEH048033
K18H00L C2018 04 19.83479 11 43 09.97 +37 32 38.0 21.5 VSEH048033
K18H00L KC2018 04 19.91278 11 43 11.18 +37 25 41.0 UEH048104
K18H00L KC2018 04 19.91834 11 43 11.19 +37 25 10.3 UEH048104
K18H00L KC2018 04 19.92390 11 43 11.23 +37 24 40.2 21.0 UEH048104
K18H00L C2018 04 20.06944 11 43 14.24 +37 11 17.0 21.1 VSEH048033
K18H00L C2018 04 20.07250 11 43 14.32 +37 11 00.2 21.1 VSEH048033
K18H00L C2018 04 20.07557 11 43 14.38 +37 10 43.4 21.1 VSEH048033
K18H00L C2018 04 20.07862 11 43 14.46 +37 10 26.3 22.0 VSEH048033
K18H00L C2018 04 20.08168 11 43 14.56 +37 10 09.5 21.5 VSEH048033
K18H00L C2018 04 20.08474 11 43 14.62 +37 09 52.6 21.5 VSEH048033
K18H00L KC2018 04 20.14046 11 43 19.85 +37 05 17.7 21.2 RqEH048734
K18H00L KC2018 04 20.15098 11 43 20.02 +37 04 21.3 21.6 RqEH048734
K18H00L KC2018 04 20.16154 11 43 20.09 +37 03 23.5 21.2 RqEH048734
K18H00L C2018 04 20.17272 11 43 21.19 +37 02 29.5 21.8 GUEH048V06
K18H00L C2018 04 20.17424 11 43 21.22 +37 02 20.5 21.2 GUEH048V06
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector
+ CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett telescope + CCD.
734 Farpoint Observatory. Observer B. Caler. Measurer G. Hug. 0.7-m
reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano,
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. 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 J. A. Johnson,
E. J. Christensen. Measurers B. M. Africano, 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. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. Kervina. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer E. J. Christensen. 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. 1.55-m reflector + CCD.
Orbital elements:
2018 HL Earth MOID = 0.1178 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 65.65701 (2000.0) P Q
n 0.92002250 Peri. 26.56163 +0.06071906 -0.99095448
a 1.0469769 Node 60.17016 +0.88950068 -0.00068059
e 0.2313936 Incl. 7.92949 +0.45288160 +0.13419668
P 1.07 H 23.2 G 0.15 U 8
Residuals in seconds of arc
180418 G96 0.3- 1.4- 180418 204 0.6+ 0.4- 180419 658 0.8- 0.6+
180418 G96 0.3- 0.1+ 180418 204 0.1+ 0.0 180419 658 0.8- 1.0+
180418 G96 0.3+ 0.3+ 180419 033 0.2- 0.0 180419 033 0.1+ 0.1-
180418 G96 0.2+ 0.2- 180419 033 0.0 0.2- 180419 033 0.0 0.3+
180418 H01 0.2+ 0.3+ 180419 033 0.1- 0.1- 180419 033 0.3+ 0.2-
180418 H01 0.1- 0.3+ 180419 033 0.1+ 0.2- 180419 104 1.1+ 0.7-
180418 H01 0.0 0.3+ 180419 033 0.3+ 0.2- 180419 104 0.3+ 1.2-
180418 H01 0.0 0.2+ 180419 033 0.0 0.1- 180419 104 0.1- 1.0-
180418 I52 0.1- 0.4- 180419 033 0.0 0.2+ 180420 033 0.1- 0.1+
180418 I52 0.9- 0.5+ 180419 033 0.0 0.1+ 180420 033 0.1- 0.1+
180418 I52 0.4- 0.2+ 180419 033 0.1+ 0.5+ 180420 033 0.4- 0.2+
180418 033 0.1+ 0.0 180419 033 0.1- 0.3+ 180420 033 0.4- 0.1-
180418 033 0.3+ 0.1- 180419 033 0.1+ 0.6+ 180420 033 0.3- 0.0
180418 033 0.2+ 0.1+ 180419 033 0.3+ 0.2+ 180420 033 0.6- 0.1-
180418 033 0.2+ 0.0 180419 033 0.5+ 0.5+ 180420 734 0.3- 0.8+
180418 033 0.0 0.1- 180419 033 0.5+ 0.0 180420 734 0.3+ 0.7+
180418 L01 0.5+ 0.0 180419 I52 0.3+ 0.0 180420 734 0.4- 0.5-
180418 L01 0.5- 0.3+ 180419 I52 0.3+ 0.1+ 180420 V06 0.1+ 0.8+
180418 L01 0.2- 0.4- 180419 I52 0.0 0.2- 180420 V06 0.3+ 0.1-
180418 L01 0.1+ 0.6- 180419 I52 0.2- 0.6-
180418 204 0.2+ 0.3- 180419 658 0.1- 0.2-
Ephemeris:
2018 HL a,e,i = 1.05, 0.23, 8 q = 0.8047
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 21 23 42 26.0 +84 08 33 0.1334 0.9913 84.1 88.2 21.9
...
2018 04 05 11 37 28.8 +64 21 43 0.1354 1.0507 108.3 64.7 21.3
...
2018 04 13 11 40 02.3 +48 50 42 0.1502 1.0811 117.9 55.0 21.3
...
2018 04 19 11 42 42.8 +38 49 19 0.1673 1.1031 122.4 50.2 21.4
2018 04 20 11 43 14.5 +37 18 01 0.1706 1.1067 123.0 49.6 21.4
2018 04 21 11 43 47.7 +35 49 15 0.1740 1.1102 123.4 49.1 21.5
...
2018 04 27 11 47 36.3 +27 47 53 0.1969 1.1310 125.1 46.8 21.7
...
2018 05 05 11 53 53.0 +19 06 50 0.2328 1.1571 124.8 45.7 22.1
...
2018 05 20 12 09 08.9 +07 16 52 0.3133 1.2004 120.2 46.8 22.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H48
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