MPEC 2017-F07 : 2017 ER22
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M.P.E.C. 2017-F07 Issued 2017 Mar. 17, 11:06 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
2017 ER22
Observations:
K17E22R* C2017 03 13.51754 15 42 04.917+71 52 22.86 19.8 iLEF007F51
K17E22R C2017 03 13.54578 15 41 42.941+71 51 58.93 19.8 iLEF007F51
K17E22R C2017 03 13.55985 15 41 31.932+71 51 46.68 19.9 iLEF007F51
K17E22R KC2017 03 13.85171 15 37 53.16 +71 46 50.9 19.4 tEF007104
K17E22R KC2017 03 13.86051 15 37 46.52 +71 46 42.7 19.4 tEF007104
K17E22R KC2017 03 13.86930 15 37 39.98 +71 46 34.7 19.2 tEF007104
K17E22R C2017 03 14.37325 15 31 22.69 +71 38 14.2 19.7 RuEF007926
K17E22R C2017 03 14.38065 15 31 16.99 +71 38 08.8 20.0 RuEF007926
K17E22R C2017 03 14.38804 15 31 11.34 +71 38 01.2 20.0 RuEF007926
K17E22R KC2017 03 15.24885 15 20 42.64 +71 21 15.8 20.0 RoEF007291
K17E22R KC2017 03 15.25190 15 20 40.35 +71 21 12.5 19.6 RoEF007291
K17E22R KC2017 03 15.25498 15 20 38.12 +71 21 09.0 19.7 RoEF007291
K17E22R KC2017 03 15.35720515 19 21.95 +71 19 10.2 19.4 VuEF007H21
K17E22R KC2017 03 15.36326315 19 17.49 +71 19 02.5 19.8 VuEF007H21
K17E22R KC2017 03 15.36945715 19 12.90 +71 18 54.9 19.6 VuEF007H21
K17E22R C2017 03 15.47697 15 17 54.84 +71 16 40.4 20.3 VqEF007I52
K17E22R C2017 03 15.47979 15 17 52.73 +71 16 36.7 20.6 VqEF007I52
K17E22R C2017 03 15.48545 15 17 48.63 +71 16 29.6 20.5 VqEF007I52
K17E22R KC2017 03 16.36769 15 07 28.29 +70 56 25.0 19.7 RoEF007291
K17E22R KC2017 03 16.37727 15 07 21.47 +70 56 11.6 19.7 RoEF007291
K17E22R KC2017 03 16.79088 15 02 37.59 +70 45 37.9 20.1 RqEF007587
K17E22R KC2017 03 16.79727 15 02 33.16 +70 45 28.2 qEF007587
K17E22R KC2017 03 16.80367 15 02 29.03 +70 45 18.9 qEF007587
K17E22R KC2017 03 16.80591 15 02 27.44 +70 45 17.1 19.6 RoEF007K51
K17E22R KC2017 03 16.80775 15 02 26.18 +70 45 14.5 19.6 RoEF007K51
K17E22R KC2017 03 16.80960 15 02 24.95 +70 45 11.8 19.7 RoEF007K51
K17E22R KC2017 03 16.94885 15 00 49.78 +70 41 48.1 19.3 VSEF007C47
K17E22R KC2017 03 16.95254 15 00 47.24 +70 41 42.5 20.2 VSEF007C47
K17E22R KC2017 03 16.95623 15 00 44.68 +70 41 37.2 20.2 VSEF007C47
K17E22R KC2017 03 16.96250 15 00 40.40 +70 41 27.9 20.0 VSEF007C47
K17E22R KC2017 03 17.18845 14 58 09.26 +70 35 27.1 oEF007291
K17E22R KC2017 03 17.19090 14 58 07.54 +70 35 23.3 19.2 RoEF007291
K17E22R KC2017 03 17.19336 14 58 05.93 +70 35 19.6 19.3 RoEF007291
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
587 Sormano. Observers K. Benmellouk, R. Bianchi, C. Casati, A. Mazzucotelli,
A. V. Novelli, C. Paleari, F. Manca, P. Sicoli, A. Testa. Measurer
A. Mazzucotelli. 0.5-m f/6.8 reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
T. Lowe, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. R. Gibbs. 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.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni.
Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
Orbital elements:
2017 ER22 Earth MOID = 0.1241 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 22.34756 (2000.0) P Q
n 0.50737948 Peri. 25.61701 +0.15329623 -0.92690266
a 1.5568524 Node 57.38595 +0.82222586 -0.07264697
e 0.4671471 Incl. 23.99731 +0.54812855 +0.36820358
P 1.94 H 19.4 G 0.15 U 8
Residuals in seconds of arc
170313 F51 0.1- 0.0 170315 291 0.0 0.5+ 170316 587 0.4+ 0.8-
170313 F51 0.1+ 0.1+ 170315 H21 0.2- 0.0 170316 K51 0.1- 0.2+
170313 F51 0.0 0.1+ 170315 H21 0.1- 0.2- 170316 K51 0.2- 0.2+
170313 104 0.2+ 0.2+ 170315 H21 0.2- 0.2- 170316 K51 0.1- 0.2+
170313 104 0.1- 0.2- 170315 I52 0.0 0.2- 170316 C47 0.1+ 0.5-
170313 104 0.1+ 0.4- 170315 I52 0.1- 0.3- 170316 C47 0.1+ 0.6-
170314 926 0.2+ 1.8- 170315 I52 0.3+ 0.1- 170316 C47 0.0 0.4-
170314 926 0.2- 0.3+ 170316 291 0.0 0.3+ 170316 C47 0.2+ 0.4-
170314 926 0.3- 0.3+ 170316 291 0.0 0.2+ 170317 291 0.2+ 0.4+
170315 291 0.3+ 0.3+ 170316 587 0.0 0.3- 170317 291 0.2- 0.2+
170315 291 0.1- 0.5+ 170316 587 0.5- 0.7- 170317 291 0.0 0.2+
Ephemeris:
2017 ER22 a,e,i = 1.56, 0.47, 24 q = 0.8296
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 02 15 20 09 09.4 +62 24 58 0.4135 0.9877 77.9 77.9 20.2
...
2017 03 02 18 07 45.3 +71 05 52 0.4360 1.0887 90.9 65.5 20.1
...
2017 03 10 16 27 49.1 +72 24 06 0.4499 1.1459 98.0 59.1 20.1
...
2017 03 16 15 11 44.1 +71 04 55 0.4629 1.1894 103.2 54.5 20.1
2017 03 17 15 00 13.6 +70 40 28 0.4653 1.1967 104.1 53.7 20.1
2017 03 18 14 49 11.0 +70 13 08 0.4679 1.2039 104.9 53.0 20.1
...
2017 03 24 13 53 25.3 +66 37 35 0.4856 1.2476 109.7 48.8 20.1
...
2017 04 01 13 04 28.7 +60 17 16 0.5171 1.3056 115.1 43.9 20.2
...
2017 04 16 12 21 03.9 +46 56 00 0.6060 1.4120 120.6 37.7 20.6
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-F07
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