MPEC 2021-H13 : 2021 GB13
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M.P.E.C. 2021-H13 Issued 2021 April 16, 15:00 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 GB13
Observations:
K21G13B* C2021 04 13.23815509 43 32.74 +11 50 32.7 22.10GVEH013V00
K21G13B C2021 04 13.24295809 43 32.42 +11 50 13.4 22.91GVEH013V00
K21G13B C2021 04 13.24774309 43 32.06 +11 49 53.8 22.37GVEH013V00
K21G13B C2021 04 13.25253409 43 31.70 +11 49 34.6 22.95GVEH013V00
K21G13B mC2021 04 13.29681309 43 28.55 +11 46 34.4 21.87GVEH013V00
K21G13B mC2021 04 13.29768809 43 28.52 +11 46 30.6 22.02GVEH013V00
K21G13B mC2021 04 13.29856509 43 28.43 +11 46 27.3 22.36GVEH013V00
K21G13B mC2021 04 13.29944609 43 28.38 +11 46 23.6 22.18GVEH013V00
K21G13B |C2021 04 13.99389 09 42 46.52 +11 00 12.8 22.5 GVEH013807
K21G13B |C2021 04 14.00496 09 42 45.74 +10 59 28.8 22.3 GVEH013807
K21G13B |C2021 04 14.01603 09 42 44.92 +10 58 44.8 22.1 GVEH013807
K21G13B |C2021 04 14.99739 09 41 48.93 +09 53 46.7 22.6 GVEH013807
K21G13B |C2021 04 15.00846 09 41 48.23 +09 53 03.2 22.5 GVEH013807
K21G13B |C2021 04 15.01954 09 41 47.57 +09 52 20.0 22.5 GVEH013807
K21G13B KC2021 04 16.09297409 40 52.34 +08 42 04.4 22.6 VuEH013H21
K21G13B KC2021 04 16.10047709 40 51.93 +08 41 35.6 22.5 VuEH013H21
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-m f/4.0
astrograph + CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Orbital elements:
2021 GB13 Earth MOID = 0.2372 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 277.19551 (2000.0) P Q
n 0.55814228 Peri. 205.39797 -0.84861157 +0.52585925
a 1.4609637 Node 7.19010 -0.37150908 -0.51472995
e 0.1632786 Incl. 27.45708 -0.37661572 -0.67714484
P 1.77 H 22.59 G 0.15 U 9
Residuals in seconds of arc
210413 V00 0.2+ 0.2- 210413 V00 0.0 0.0 210415 807 0.2- 0.1-
210413 V00 0.6+ 0.1+ 210413 V00 0.0 0.0 210415 807 0.3+ 0.3+
210413 V00 0.2+ 0.1- 210413 807 0.0 0.0 210416 H21 0.0 0.1-
210413 V00 0.1+ 0.2+ 210414 807 0.3- 0.2+ 210416 H21 0.1+ 0.1+
210413 V00 0.1- 0.0 210414 807 (1.2- 0.4+)
210413 V00 0.3+ 0.2- 210414 807 0.1- 0.2-
Ephemeris:
2021 GB13 a,e,i = 1.46, 0.16, 27 q = 1.2224
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 17 11 00 43.1 +43 05 53 0.3501 1.2740 137.1 32.1 22.2
...
2021 04 01 10 05 30.3 +26 31 53 0.3424 1.2517 131.3 36.9 22.2
...
2021 04 09 09 49 06.0 +16 45 25 0.3601 1.2421 124.7 41.5 22.5
...
2021 04 15 09 41 48.5 +09 53 25 0.3818 1.2361 119.4 45.0 22.7
2021 04 16 09 40 57.0 +08 48 19 0.3860 1.2352 118.5 45.6 22.7
2021 04 17 09 40 11.0 +07 44 19 0.3903 1.2343 117.6 46.1 22.8
...
2021 04 23 09 37 20.6 +01 44 19 0.4190 1.2297 112.8 48.9 23.0
...
2021 05 01 09 37 27.3 -05 13 33 0.4625 1.2253 107.0 51.8 23.3
...
2021 05 16 09 46 28.9 -15 41 04 0.5520 1.2225 98.6 54.9 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-H13
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