[Iaude] MPEC M109: 2011 CN2 [a=2.24,e=0.62,i=19.6,H=18.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Jun 26 07:35:12 EDT 2020
M.P.E.C. 2020-M109 Issued 2020 June 26, 11:33 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 CN2
Revision to MPEC 2011-C18
Additional Observations:
K11C02N S2020 06 20.25008 00 00 52.61 -06 24 50.8 18 RLEM109C51
K11C02N s2020 06 20.25008 1 + 6003.4381 + 3286.3045 + 437.2127 EM109C51
K11C02N S2020 06 20.38085 00 01 29.17 -06 16 24.2 LEM109C51
K11C02N s2020 06 20.38085 1 + 5994.6858 + 3300.7276 + 448.5071 EM109C51
K11C02N S2020 06 20.51163 00 02 05.81 -06 07 56.4 LEM109C51
K11C02N s2020 06 20.51163 1 + 5985.8783 + 3315.1193 + 459.8216 EM109C51
K11C02N S2020 06 20.64240 00 02 42.49 -05 59 26.6 LEM109C51
K11C02N s2020 06 20.64240 1 + 5977.0147 + 3329.4804 + 471.1629 EM109C51
K11C02N S2020 06 20.77318 00 03 19.30 -05 50 54.8 LEM109C51
K11C02N s2020 06 20.77318 1 + 5968.1132 + 3343.8009 + 482.3971 EM109C51
K11C02N S2020 06 20.90395 00 03 56.14 -05 42 21.4 LEM109C51
K11C02N s2020 06 20.90395 1 + 5959.1598 + 3358.0917 + 493.6546 EM109C51
K11C02N S2020 06 21.16551 00 05 10.07 -05 25 09.4 18 RLEM109C51
K11C02N s2020 06 21.16551 1 + 5941.1081 + 3386.5734 + 516.1350 EM109C51
K11C02N S2020 06 21.23083 00 05 28.55 -05 20 50.4 LEM109C51
K11C02N s2020 06 21.23083 1 + 5931.0042 + 3396.6303 + 563.2595 EM109C51
K11C02N S2020 06 21.29628 00 05 47.14 -05 16 31.4 LEM109C51
K11C02N s2020 06 21.29628 1 + 5931.9985 + 3400.7674 + 527.4245 EM109C51
K11C02N S2020 06 21.36161 00 06 05.66 -05 12 11.8 LEM109C51
K11C02N s2020 06 21.36161 1 + 5921.8128 + 3410.7564 + 574.4751 EM109C51
K11C02N S2020 06 21.42706 00 06 24.27 -05 07 51.4 LEM109C51
K11C02N s2020 06 21.42706 1 + 5922.8929 + 3414.8977 + 538.2959 EM109C51
K11C02N S2020 06 21.49238 00 06 42.85 -05 03 30.6 LEM109C51
K11C02N s2020 06 21.49238 1 + 5912.6220 + 3424.8254 + 585.3369 EM109C51
K11C02N S2020 06 21.55783 00 07 01.50 -04 59 09.3 LEM109C51
K11C02N s2020 06 21.55783 1 + 5913.6976 + 3429.0170 + 549.4713 EM109C51
K11C02N S2020 06 21.62316 00 07 20.11 -04 54 48.1 LEM109C51
K11C02N s2020 06 21.62316 1 + 5903.3341 + 3438.8829 + 596.5325 EM109C51
K11C02N S2020 06 21.68861 00 07 38.77 -04 50 25.7 LEM109C51
K11C02N s2020 06 21.68861 1 + 5904.4424 + 3443.1090 + 560.7272 EM109C51
K11C02N S2020 06 21.75393 00 07 57.42 -04 46 03.5 LEM109C51
K11C02N s2020 06 21.75393 1 + 5893.9927 + 3452.9064 + 607.7421 EM109C51
K11C02N S2020 06 21.81926 00 08 16.11 -04 41 41.3 LEM109C51
K11C02N s2020 06 21.81926 1 + 5883.2375 + 3462.5192 + 654.7595 EM109C51
K11C02N S2020 06 21.81939 00 08 16.13 -04 41 40.1 LEM109C51
K11C02N s2020 06 21.81939 1 + 5895.1537 + 3457.1609 + 571.8775 EM109C51
K11C02N S2020 06 21.88471 00 08 34.86 -04 37 17.8 LEM109C51
K11C02N s2020 06 21.88471 1 + 5884.0611 + 3466.8345 + 620.2362 EM109C51
K11C02N S2020 06 22.01549 00 09 12.29 -04 28 30.9 LEM109C51
K11C02N s2020 06 22.01549 1 + 5874.6243 + 3480.7867 + 631.4261 EM109C51
K11C02N S2020 06 22.14626 00 09 49.86 -04 19 40.8 LEM109C51
K11C02N s2020 06 22.14626 1 + 5865.1356 + 3494.7060 + 642.6388 EM109C51
K11C02N S2020 06 22.27704 00 10 27.47 -04 10 50.0 LEM109C51
K11C02N s2020 06 22.27704 1 + 5855.5903 + 3508.5931 + 653.8982 EM109C51
K11C02N KC2020 06 25.20974 00 24 52.60 -00 45 22.5 21.1 RtEM109954
K11C02N KC2020 06 25.21207 00 24 53.28 -00 45 12.0 20.2 RtEM109954
K11C02N KC2020 06 25.21351 00 24 53.70 -00 45 05.8 20.1 RtEM109954
Observer details:
954 Teide Observatory. Observers J. A. Mansour, M. Popescu. Measurer M.
Popescu. 1.52-m f/4.2 reflector.
C51 WISE. Observer Near-Earth Object Wide-field Infrared Survey Explorer.
Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero, R. M. Cutri,
J. W. Dailey, E. Kramer, J. Pittichova, S. Sonnett, E. L. Wright.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200620 C51 5.26- 5.84- 200625 954 5.45- 5.82- MPO194136 -4.91 days
Orbital elements:
2011 CN2 Earth MOID = 0.0516 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 336.55864 (2000.0) P Q
n 0.29461324 Peri. 65.88741 +0.93361277 -0.23642725
a 2.2368381 Node 306.67016 +0.04861473 +0.82800932
e 0.6195902 Incl. 19.61062 +0.35497014 +0.50843163
P 3.35 H 18.7 G 0.15 U 3
Residuals in seconds of arc
110202 F51 0.1+ 0.0 110212 291 0.4- 0.1+ 200620 C51 0.2+ 0.0
110202 F51 0.0 0.0 110212 291 0.1+ 0.4+ 200621 C51 0.3+ 0.3+
110202 F51 0.2+ 0.2- 110212 291 0.2- 0.1- 200621 C51 0.1- 0.7+
110203 F65 0.1- 0.0 110213 291 0.1- 0.2- 200621 C51 0.3+ 0.1-
110203 F65 0.0 0.0 110213 291 0.1+ 0.1+ 200621 C51 0.1- 0.0
110203 F65 0.3+ 0.1- 110213 291 0.4- 0.1+ 200621 C51 0.1+ 0.2-
110203 F65 0.3- 0.0 110222 291 0.5- 0.3+ 200621 C51 0.1+ 0.3+
110205 291 0.4- 0.3+ 110222 291 1.4+ 0.3- 200621 C51 0.3+ 0.1+
110205 291 1.0+ 0.6- 110223 291 0.5- 0.1- 200621 C51 0.1+ 0.1+
110205 291 0.2- 0.3+ 110223 291 0.8+ 0.3+ 200621 C51 0.1- 0.2+
110205 G96 0.5- 0.5- 110223 291 0.7- 0.5- 200621 C51 0.1- 0.4+
110205 G96 0.0 0.0 110301 291 0.1+ 0.4+ 200621 C51 0.1+ 0.1+
110205 G96 0.6- 0.1- 110301 291 1.4- 0.4+ 200621 C51 0.2- 0.6+
110206 291 0.1- 0.1+ 110301 291 0.8- 0.5+ 200621 C51 0.4+ 0.1+
110206 291 0.4- 0.5- 110304 291 0.9+ 0.9+ 200622 C51 0.4- 0.7-
110206 291 0.2- 0.6+ 110304 291 0.2- 0.0 200622 C51 0.1- 0.0
110207 291 0.1- 0.3+ 110304 291 0.3+ 0.3+ 200622 C51 0.4- 0.2-
110207 291 0.3- 0.1+ 200620 C51 0.2+ 0.2- 200625 954 0.1- 0.6-
110207 291 0.1- 0.2- 200620 C51 0.2+ 0.0 200625 954 0.3- 0.2-
110209 291 1.4+ 1.0- 200620 C51 0.2+ 0.3- 200625 954 0.4- 0.2-
110209 291 0.1- 0.2- 200620 C51 0.1- 0.3-
110209 291 0.6+ 0.3- 200620 C51 0.3+ 0.1-
Ephemeris:
2011 CN2 a,e,i = 2.24, 0.62, 20 q = 0.8509
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 05 27 22 24 35.0 -24 47 51 0.8542 1.4019 96.9 45.8 20.8
...
2020 06 11 23 20 34.9 -15 08 35 0.6696 1.2661 95.2 53.0 20.3
...
2020 06 19 23 55 07.0 -07 44 04 0.5925 1.1949 92.1 58.2 20.0
...
2020 06 25 00 23 48.7 -01 00 26 0.5481 1.1428 88.6 62.8 19.9
2020 06 26 00 28 51.5 +00 12 18 0.5421 1.1342 87.9 63.6 19.9
2020 06 27 00 33 59.0 +01 26 24 0.5364 1.1257 87.2 64.4 19.9
...
2020 07 03 01 06 29.7 +09 13 52 0.5112 1.0760 82.4 69.5 19.8
...
2020 07 11 01 54 45.1 +19 53 53 0.5033 1.0139 75.3 76.0 19.9
...
2020 07 26 03 37 57.9 +35 48 01 0.5630 0.9172 63.7 83.0 20.2
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-M109
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