MPEC 2021-E60 : 2021 ES1
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M.P.E.C. 2021-E60 Issued 2021 March 8, 00:21 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
2021 ES1
Observations:
K21E01S C2021 03 07.05037 12 01 37.58 +37 49 33.5 17.8 RoEE060K88
K21E01S C2021 03 07.05068 12 01 40.02 +37 48 54.3 17.8 RoEE060K88
K21E01S C2021 03 07.05100 12 01 42.53 +37 48 14.3 17.7 RoEE060K88
K21E01S*HC2021 03 07.34801112 35 54.34 +28 08 53.9 18.35GVEE060703
K21E01S HC2021 03 07.35322412 36 20.01 +27 59 28.6 18.25GVEE060703
K21E01S HC2021 03 07.35843512 36 45.72 +27 49 55.6 19.11GVEE060703
K21E01S HC2021 03 07.36364212 37 11.01 +27 40 33.3 19.05GVEE060703
K21E01S KC2021 03 07.40678412 40 34.78 +26 23 13.7 VEE060I52
K21E01S KC2021 03 07.40775712 40 39.28 +26 21 30.3 17.45GVEE060I52
K21E01S KC2021 03 07.40872412 40 43.74 +26 19 47.1 VEE060I52
K21E01S KC2021 03 07.40969312 40 48.14 +26 18 04.8 VEE060I52
K21E01S KC2021 03 07.94749 13 15 13.58 +13 13 07.0 18.0 GVEE060A17
K21E01S KC2021 03 07.95089 13 15 22.09 +13 09 12.9 18.5 GVEE060A17
K21E01S KC2021 03 07.95367 13 15 29.12 +13 06 01.8 18.5 GVEE060A17
K21E01S KC2021 03 07.95617 13 15 35.33 +13 03 11.7 18.5 GVEE060A17
K21E01S 1C2021 03 07.99704413 17 10.32 +12 17 35.3 VEE060246
K21E01S 1C2021 03 07.99728213 17 10.88 +12 17 20.0 VEE060246
K21E01S 1C2021 03 07.99757313 17 11.55 +12 17 01.0 VEE060246
K21E01S 1C2021 03 07.99774213 17 11.94 +12 16 49.2 VEE060246
K21E01S 1C2021 03 07.99787013 17 12.25 +12 16 41.2 VEE060246
K21E01S 1C2021 03 07.99821613 17 13.06 +12 16 17.9 VEE060246
K21E01S 1C2021 03 07.99851313 17 13.75 +12 15 57.6 VEE060246
K21E01S 1C2021 03 08.00162113 17 20.96 +12 12 31.9 VEE060246
K21E01S 1C2021 03 08.00187713 17 21.57 +12 12 15.4 VEE060246
K21E01S 1C2021 03 08.00216913 17 22.21 +12 11 57.2 18.9 GVEE060246
K21E01S 1C2021 03 08.00252013 17 23.04 +12 11 34.0 VEE060246
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
703 Catalina Sky Survey. Observer K. W. Wierzchos. 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. 0.68-m Schmidt + 10K
CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. Measurers K.
Sarneczky, T. Csorgei, S. Kurti. 0.60-m Schmidt + CCD.
Orbital elements:
2021 ES1 Earth MOID = 0.0043 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 340.95922 (2000.0) P Q
n 0.29684025 Peri. 152.95041 -0.83223347 -0.55441620
a 2.2256363 Node 353.37639 +0.50355410 -0.75345766
e 0.5617775 Incl. 1.58101 +0.23199292 -0.35344622
P 3.32 H 28.1 G 0.15 U 6
Residuals in seconds of arc
210307 K88 0.1- 0.1- 210307 I52 0.5+ 0.2- 210307 246 0.0 0.4-
210307 K88 0.1+ 0.1- 210307 I52 0.1- 0.4+ 210307 246 0.2+ 0.1+
210307 K88 0.1+ 0.3+ 210307 A17 0.5+ 1.0+ 210307 246 0.2+ 0.3-
210307 703 0.5- 0.6- 210307 A17 0.2- 0.3+ 210307 246 0.1+ 0.9-
210307 703 (1.6- 3.4+) 210307 A17 0.7+ 0.4- 210308 246 0.4- 0.7-
210307 703 (0.4+ 1.9-) 210307 A17 0.2+ 0.5+ 210308 246 0.2- 0.2-
210307 703 (0.5- 1.9+) 210307 246 0.2+ 0.6- 210308 246 0.8- 0.9+
210307 I52 0.2- 0.1+ 210307 246 0.3+ 0.1- 210308 246 0.6- 0.9+
210307 I52 0.2+ 0.2+ 210307 246 0.1+ 0.2+
Ephemeris:
2021 ES1 a,e,i = 2.23, 0.56, 2 q = 0.9753
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 06 02 40 09.4 +24 24 17 0.1294 0.9902 88.1 84.4 26.6
...
2021 02 21 02 50 27.4 +26 59 26 0.06378 0.9756 76.2 100.2 25.7
...
2021 03 01 03 10 07.5 +32 52 04 0.02708 0.9838 74.3 104.1 24.1
...
2021 03 07 11 54 51.4 +39 41 10 0.0057640.9970 144.2 35.6 18.4
2021 03 08 13 16 59.5 +12 25 46 0.0083680.9997 148.6 31.1 19.0
2021 03 09 13 46 01.7 -00 22 51 0.01228 1.0026 142.5 37.1 20.1
...
2021 03 15 14 22 31.8 -16 39 53 0.03949 1.0230 135.5 43.0 22.8
...
2021 03 23 14 27 40.9 -19 44 12 0.07723 1.0578 141.1 36.3 24.1
...
2021 04 07 14 22 21.1 -20 19 53 0.1524 1.1423 156.5 20.5 25.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E60
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