MPEC 2021-E16 : 2021 EG
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M.P.E.C. 2021-E16 Issued 2021 March 4, 10:09 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 EG
Observations:
K21E00G* C2021 03 03.32193210 43 41.65 +49 30 51.4 21.32GVEE016G96
K21E00G C2021 03 03.32718410 43 36.85 +49 31 29.9 20.96GVEE016G96
K21E00G C2021 03 03.33244310 43 32.06 +49 32 07.7 21.03GVEE016G96
K21E00G C2021 03 03.33769210 43 27.28 +49 32 44.6 21.34GVEE016G96
K21E00G KC2021 03 03.42304810 42 09.10 +49 42 51.2 20.97GVEE016V06
K21E00G KC2021 03 03.42749310 42 05.03 +49 43 22.4 20.80GVEE016V06
K21E00G KC2021 03 03.43193710 42 00.95 +49 43 53.7 20.83GVEE016V06
K21E00G 7C2021 03 03.53272 10 40 28.79 +49 55 37.2 20.8 GVEE016G37
K21E00G 7C2021 03 03.53315 10 40 28.43 +49 55 39.9 20.8 GVEE016G37
K21E00G 7C2021 03 03.53358 10 40 28.05 +49 55 43.2 20.9 GVEE016G37
K21E00G KC2021 03 04.17037510 30 19.07 +51 15 18.7 20.9 VuEE016H21
K21E00G KC2021 03 04.17620210 30 12.75 +51 16 03.9 20.7 VuEE016H21
K21E00G KC2021 03 04.18154410 30 07.00 +51 16 44.5 21.2 VuEE016H21
K21E00G KC2021 03 04.18460110 30 06.53 +51 17 07.0 20.53GVEE016I52
K21E00G KC2021 03 04.18795710 30 02.94 +51 17 32.9 20.21GVEE016I52
K21E00G KC2021 03 04.19131410 29 59.25 +51 17 59.6 20.45GVEE016I52
K21E00G KC2021 03 04.21524 10 29 31.28 +51 21 02.7 21.1 GVEE016H36
K21E00G KC2021 03 04.23448 10 29 10.02 +51 23 29.0 21.4 GVEE016H36
K21E00G KC2021 03 04.25075 10 28 52.04 +51 25 33.5 21.1 GVEE016H36
Observer details:
G37 Lowell Discovery Telescope. Observers Q.-Z. Ye, S. Perez, A. Hayslip.
Measurer Q.-Z. Ye. 4.3-m reflector + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. 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.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2021 EG Earth MOID = 0.0326 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 234.37318 (2000.0) P Q
n 0.86678272 Peri. 281.61249 +0.16649085 +0.98601389
a 1.0894214 Node 357.92573 -0.80334893 +0.13118425
e 0.5050351 Incl. 12.08200 -0.57176156 +0.10279733
P 1.14 H 24.29 G 0.15 U 8
Residuals in seconds of arc
210303 G96 0.0+ 0.5- 210303 G37 0.3- 0.1+ 210304 I52 0.4+ 0.4-
210303 G96 0.1- 0.3+ 210303 G37 0.0+ 0.2- 210304 I52 0.1- 0.1+
210303 G96 0.1- 0.3+ 210303 G37 0.1+ 0.1+ 210304 H36 1.0+ 0.8+
210303 G96 0.1- 0.5- 210304 H21 0.4- 0.1- 210304 H36 0.1- 0.0-
210303 V06 0.1+ 0.2+ 210304 H21 0.5- 0.3+ 210304 H36 0.5- 0.7+
210303 V06 0.3+ 0.1+ 210304 H21 0.0- 0.1-
210303 V06 0.3+ 0.2+ 210304 I52 0.0+ 0.2-
Ephemeris:
2021 EG a,e,i = 1.09, 0.51, 12 q = 0.5392
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 02 12 05 39.9 +26 01 10 0.3862 1.2934 136.6 31.6 24.1
...
2021 02 17 11 58 54.6 +32 27 34 0.2322 1.1883 146.3 27.5 22.7
...
2021 02 25 11 36 41.5 +39 32 44 0.1595 1.1261 146.4 29.1 21.8
...
2021 03 03 10 48 12.3 +48 52 04 0.1115 1.0768 138.0 38.0 21.2
2021 03 04 10 33 11.3 +50 53 35 0.1044 1.0683 135.3 40.7 21.1
2021 03 05 10 14 27.6 +53 01 11 0.09771 1.0598 132.1 43.9 21.1
...
2021 03 11 06 12 49.9 +58 25 00 0.07033 1.0074 99.6 76.5 21.2
...
2021 03 19 02 31 28.7 +22 57 40 0.08933 0.9345 45.0 131.1 24.7
...
2021 04 03 01 20 12.8 -03 36 44 0.2141 0.7914 11.9 165.0 33.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-E16
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