MPEC 2020-K172 : 2020 KN4
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M.P.E.C. 2020-K172 Issued 2020 May 26, 02:14 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
2020 KN4
Observations:
K20K04N* C2020 05 24.57777619 35 51.24 -29 25 12.6 17.60cVEK172T05
K20K04N C2020 05 24.58097819 35 47.14 -29 24 13.5 18.08cVEK172T05
K20K04N C2020 05 24.58654719 35 40.00 -29 22 29.6 18.23cVEK172T05
K20K04N C2020 05 24.60402719 35 17.67 -29 17 05.1 18.15cVEK172T05
K20K04N KC2020 05 25.05037 19 26 20.07 -26 57 39.5 VEK172204
K20K04N KC2020 05 25.05385 19 26 15.79 -26 56 34.0 VEK172204
K20K04N HC2020 05 25.05733 19 26 11.55 -26 55 27.9 17.7 GVEK172204
K20K04N KC2020 05 25.06146719 26 06.02 -26 54 09.9 17.8 GVEK172L01
K20K04N KC2020 05 25.06230219 26 05.00 -26 53 54.1 17.6 GVEK172L01
K20K04N KC2020 05 25.06313819 26 03.99 -26 53 38.5 17.6 GVEK172L01
K20K04N KC2020 05 25.06863819 25 57.25 -26 51 54.0 18.1 GVEK172L01
K20K04N KC2020 05 25.06947119 25 56.20 -26 51 38.1 17.9 GVEK172L01
K20K04N KC2020 05 25.07030519 25 55.21 -26 51 22.5 17.6 GVEK172L01
K20K04N KC2020 05 25.07465219 25 49.88 -26 49 59.8 17.8 GVEK172L01
K20K04N KC2020 05 25.07548519 25 48.87 -26 49 44.0 17.9 GVEK172L01
K20K04N KC2020 05 25.07705319 25 46.93 -26 49 14.2 17.9 GVEK172L01
K20K04N #C2020 05 25.23240 19 22 46.06 -25 57 51.7 17.4 GVEK172W88
K20K04N #C2020 05 25.23586 19 22 41.84 -25 56 45.7 17.8 GVEK172W88
K20K04N #C2020 05 25.24285 19 22 33.38 -25 54 32.4 18.0 GVEK172W88
K20K04N C2020 05 25.39936 19 19 28.80 -25 06 06.1 17.4 GVEK172I52
K20K04N C2020 05 25.39967 19 19 28.44 -25 06 00.3 VEK172I52
K20K04N C2020 05 25.39998 19 19 28.06 -25 05 54.0 VEK172I52
K20K04N C2020 05 25.40029 19 19 27.69 -25 05 48.0 17.5 GVEK172I52
K20K04N IC2020 05 25.78363 19 12 10.83 -23 01 58.4 17.0 GVEK172N88
K20K04N C2020 05 25.78394 19 12 10.41 -23 01 53.0 18.0 GVEK172N88
K20K04N C2020 05 25.78422 19 12 10.08 -23 01 46.8 17.4 GVEK172N88
K20K04N C2020 05 25.78451 19 12 09.73 -23 01 42.1 17.6 GVEK172N88
K20K04N C2020 05 25.78480 19 12 09.40 -23 01 35.8 17.6 GVEK172N88
K20K04N KC2020 05 26.02926919 07 36.57 -21 42 05.6 18.5 GUEK172I93
K20K04N KC2020 05 26.03629919 07 28.57 -21 39 49.0 18.1 GUEK172I93
K20K04N KC2020 05 26.04134519 07 22.85 -21 38 11.0 18.2 GUEK172I93
K20K04N KC2020 05 26.05317719 07 09.35 -21 34 24.6 17.0 GVEK172J95
K20K04N KC2020 05 26.05724119 07 04.75 -21 33 05.3 17.5 GVEK172J95
K20K04N KC2020 05 26.06175619 06 59.64 -21 31 37.5 17.7 GVEK172J95
K20K04N KC2020 05 26.06581819 06 55.07 -21 30 18.5 17.7 GVEK172J95
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N.
Erasmus. 0.5-m reflector + CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observer M. Suzuki. 0.43-m f/6.8
Corrected Dall-Kirkham + CCD.
Orbital elements:
2020 KN4 Earth MOID = 0.0579 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Pan
M 81.65472 (2000.0) P Q
n 0.90396636 Peri. 249.48234 -0.58239290 -0.62032977
a 1.0593380 Node 247.86116 +0.77586284 -0.61704509
e 0.2921198 Incl. 34.55398 -0.24260126 -0.48419658
P 1.09 H 21.6 G 0.15 U 7
Residuals in seconds of arc
200524 T05 0.3+ 0.2- 200525 L01 0.1+ 0.2- 200525 N88 0.0 0.5-
200524 T05 0.2+ 0.4- 200525 L01 0.0 0.1- 200525 N88 0.1- 0.3+
200524 T05 0.1- 0.3+ 200525 L01 0.1+ 0.1- 200525 N88 0.3- 0.6-
200524 T05 0.1- 0.4+ 200525 L01 0.2- 0.1- 200525 N88 0.2- 0.1+
200525 204 0.4+ 0.5+ 200525 W88 0.0 0.0 200526 I93 0.0 0.2+
200525 204 0.1+ 0.0 200525 W88 0.5- 0.1+ 200526 I93 0.6- 0.0
200525 204 0.3+ 0.2+ 200525 W88 0.5- 0.2+ 200526 I93 0.7- 0.2-
200525 L01 0.1- 0.2+ 200525 I52 0.0 0.2- 200526 J95 0.3+ 0.1+
200525 L01 0.1- 0.1+ 200525 I52 0.2+ 0.4- 200526 J95 0.1+ 0.2+
200525 L01 0.1+ 0.1- 200525 I52 0.0 0.1- 200526 J95 0.2- 0.0
200525 L01 0.0 0.0 200525 I52 0.1+ 0.0 200526 J95 0.0 0.2-
200525 L01 0.4- 0.0 200525 N88 0.9+ 0.1+
Ephemeris:
2020 KN4 a,e,i = 1.06, 0.29, 35 q = 0.7499
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 04 26 01 42 09.8 -52 56 32 0.3045 0.9296 66.8 95.7 22.3
...
2020 05 11 00 02 21.0 -55 42 11 0.1725 1.0059 83.7 86.4 20.8
...
2020 05 19 21 42 31.8 -49 44 40 0.1102 1.0460 105.2 69.0 19.3
...
2020 05 25 19 27 19.2 -27 12 17 0.08659 1.0752 134.3 42.3 18.1
2020 05 26 19 08 07.0 -21 50 25 0.08651 1.0800 139.2 37.8 18.0
2020 05 27 18 50 27.0 -16 25 11 0.08770 1.0848 143.2 34.0 17.9
...
2020 06 02 17 34 05.7 +09 26 17 0.1169 1.1128 145.8 30.8 18.5
...
2020 06 10 16 43 06.3 +24 09 44 0.1857 1.1484 132.3 40.9 19.9
...
2020 06 25 16 07 10.8 +31 02 22 0.3362 1.2089 117.5 48.3 21.5
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-K172
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