MPEC 2021-N19 : 2021 NG
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M.P.E.C. 2021-N19 Issued 2021 July 4, 10:57 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 NG
Observations:
K21N00G*KC2021 07 03.09825 17 33 23.22 +01 39 02.5 19.2 GVEN019W16
K21N00G KC2021 07 03.10365 17 33 28.26 +01 38 33.1 19.8 GVEN019W16
K21N00G KC2021 07 03.10905 17 33 33.37 +01 38 04.1 19.6 GVEN019W16
K21N00G KC2021 07 03.11437 17 33 38.37 +01 37 35.1 19.4 GVEN019W16
K21N00G KC2021 07 03.11973 17 33 43.47 +01 37 06.3 19.9 GVEN019W16
K21N00G KC2021 07 03.12518 17 33 48.60 +01 36 37.1 19.6 GVEN019W16
K21N00G KC2021 07 03.48254417 40 09.96 +01 08 31.4 19.8 GVEN019474
K21N00G KC2021 07 03.48316217 40 10.60 +01 08 27.5 19.9 GVEN019474
K21N00G KC2021 07 03.48440017 40 11.91 +01 08 20.3 19.9 GVEN019474
K21N00G KC2021 07 03.48687417 40 14.52 +01 08 05.3 20.0 GVEN019474
K21N00G C2021 07 03.86403017 47 38.91 +00 21 23.2 19.5 rVEN019N51
K21N00G C2021 07 03.86992217 47 45.99 +00 20 42.2 19.5 rVEN019N51
K21N00G C2021 07 03.87581217 47 53.08 +00 20 02.2 19.5 rVEN019N51
K21N00G KC2021 07 03.88405717 48 23.83 +00 18 25.3 18.6 GVEN019B49
K21N00G KC2021 07 03.88492 17 48 25.73 +00 18 26.3 18.9 GXEN019J57
K21N00G KC2021 07 03.89560 17 48 38.63 +00 17 11.7 18.4 GXEN019J57
K21N00G KC2021 07 03.89841417 48 41.00 +00 16 46.5 19.5 GVEN019B49
K21N00G 1C2021 07 03.90111 17 48 41.19 +00 15 52.2 19.8 VVEN019033
K21N00G 1C2021 07 03.90139 17 48 41.55 +00 15 50.1 20.0 VVEN019033
K21N00G 1C2021 07 03.90168 17 48 41.89 +00 15 48.1 19.9 VVEN019033
K21N00G 1C2021 07 03.90196 17 48 42.24 +00 15 46.0 20.1 VVEN019033
K21N00G KC2021 07 03.90561 17 48 50.57 +00 16 03.4 18.4 GXEN019J57
K21N00G KC2021 07 03.90645317 48 50.67 +00 15 50.9 19.3 GVEN019B49
K21N00G KC2021 07 03.90762717 48 52.07 +00 15 42.7 19.1 GVEN019B49
K21N00G KC2021 07 03.90869817 48 53.22 +00 15 35.2 VEN019B37
K21N00G KC2021 07 03.92156817 49 08.73 +00 14 05.3 18.9 GVEN019B37
K21N00G KC2021 07 03.96289417 50 13.65 +00 14 39.1 19.2 GXEN019Y00
K21N00G KC2021 07 03.96484417 50 16.07 +00 14 25.5 XEN019Y00
K21N00G KC2021 07 03.96680017 50 18.49 +00 14 11.9 18.9 GXEN019Y00
K21N00G KC2021 07 04.15243 17 54 25.18 -00 13 32.9 19.7 RqEN019H36
K21N00G KC2021 07 04.18525 17 55 07.98 -00 17 40.8 19.4 RqEN019H36
K21N00G KC2021 07 04.19473317 55 18.13 -00 18 55.9 19.3 VuEN019H21
K21N00G KC2021 07 04.19832 17 55 25.24 -00 19 19.5 19.4 RqEN019H36
K21N00G KC2021 07 04.20415017 55 30.51 -00 20 06.9 19.4 VuEN019H21
K21N00G KC2021 07 04.20787817 55 35.42 -00 20 35.3 19.6 VuEN019H21
K21N00G KC2021 07 04.20974317 55 37.87 -00 20 49.7 19.5 VuEN019H21
K21N00G KC2021 07 04.21095417 55 39.45 -00 20 58.9 19.3 VuEN019H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
B37 Obs. de L Ametlla del Valles, Barcelona. Observer A. Garrigos. 0.51-m
f/4.0 reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. Fornas, G. Fornas, E. Arce, V. Mas.
N51 GROWTH India Telescope, IAO, Hanle. Observers K. Sharma, H. Kumar, S.
Joharle, R. Norbu, V. Bhalerao, G. C. Anupama, S. Barway. Measurer K.
Sharma. 0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
W16 Pleasant Groves Observatory. Observer M. Holbrook. 0.36-m reflector +
CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 NG Earth MOID = 0.0102 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 353.97892 (2000.0) P Q
n 0.32081451 Peri. 198.14017 +0.56758742 +0.81514832
a 2.1133271 Node 106.59391 -0.73964125 +0.56655331
e 0.5209723 Incl. 6.93184 -0.36162874 +0.12062574
P 3.07 H 26.08 G 0.15 U 7
Residuals in seconds of arc
210703 W16 0.3+ 0.1+ 210703 B49 (1.8+ 0.6-) 210703 Y00 0.3- 0.1-
210703 W16 0.4- 0.1- 210703 J57 0.1- 0.2- 210703 Y00 0.1+ 0.0
210703 W16 0.1- 0.0 210703 J57 1.3+ 1.2- 210703 Y00 0.3+ 0.1+
210703 W16 0.3- 0.2- 210703 B49 0.9+ 0.3- 210704 H36 0.9+ 0.2+
210703 W16 0.5+ 0.1+ 210703 033 0.2- 0.1+ 210704 H36 0.8- 0.2-
210703 W16 0.4+ 0.5+ 210703 033 0.1- 0.0 210704 H21 0.4- 0.3-
210703 474 0.0 0.0 210703 033 0.1- 0.1- 210704 H36 0.8+ 0.4+
210703 474 0.1- 0.2- 210703 033 0.1+ 0.2- 210704 H21 0.2- 0.4+
210703 474 0.1- 0.1+ 210703 J57 0.1- 0.2- 210704 H21 0.1- 0.5+
210703 474 0.0 0.0 210703 B49 1.0+ 0.2- 210704 H21 0.2- 0.3+
210703 N51 0.7+ 0.9+ 210703 B49 0.7+ 0.2- 210704 H21 0.4- 0.4+
210703 N51 0.6+ 0.4+ 210703 B37 0.7- 0.1+
210703 N51 0.3+ 0.8+ 210703 B37 0.7- 0.2-
Ephemeris:
2021 NG a,e,i = 2.11, 0.52, 7 q = 1.0123
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 06 04 16 10 48.7 +06 14 03 0.1820 1.1755 150.0 25.6 23.9
...
2021 06 19 16 18 46.5 +07 20 15 0.1006 1.0972 142.0 34.7 22.7
...
2021 06 27 16 39 01.1 +06 11 01 0.06018 1.0640 141.1 36.9 21.6
...
2021 07 03 17 31 34.9 +01 50 22 0.03165 1.0440 149.0 30.1 20.0
2021 07 04 17 50 48.0 +00 08 30 0.02734 1.0411 152.6 26.7 19.6
2021 07 05 18 16 56.5 -02 11 01 0.02333 1.0383 157.3 22.2 19.1
...
2021 07 11 00 12 17.9 -19 49 56 0.01983 1.0244 112.6 66.4 20.0
...
2021 07 19 02 35 24.7 -15 27 11 0.05450 1.0139 86.0 91.0 23.0
...
2021 08 03 03 14 31.5 -13 03 23 0.1246 1.0196 88.7 84.2 24.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-N19
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