MPEC 2021-A108 : 2021 AP3
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M.P.E.C. 2021-A108 Issued 2021 January 10, 08:13 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 AP3
Observations:
K21A03P* C2021 01 08.46179407 42 01.796+55 15 56.16 21.06wUEA108F51
K21A03P C2021 01 08.47543807 41 51.904+55 14 47.57 20.87wUEA108F51
K21A03P C2021 01 08.48906907 41 42.018+55 13 38.33 20.78wUEA108F51
K21A03P C2021 01 08.50275607 41 32.131+55 12 28.23 20.60wUEA108F51
K21A03P 1C2021 01 08.95805 07 36 44.81 +54 33 10.8 21.3 VVEA108033
K21A03P 1C2021 01 08.95990 07 36 43.50 +54 33 00.3 21.9 VVEA108033
K21A03P 1C2021 01 08.96175 07 36 42.32 +54 32 52.1 22.1 VVEA108033
K21A03P KC2021 01 08.96348607 36 40.96 +54 32 53.4 20.8 GVEA108L01
K21A03P KC2021 01 08.96820707 36 37.70 +54 32 29.1 20.7 GVEA108L01
K21A03P KC2021 01 08.97289707 36 34.50 +54 32 04.8 20.4 GVEA108L01
K21A03P KC2021 01 09.25424 07 33 39.19 +54 07 55.1 20.7 RqEA108H36
K21A03P KC2021 01 09.27936 07 33 22.15 +54 05 42.4 20.2 RqEA108H36
K21A03P KC2021 01 09.29161 07 33 13.83 +54 04 39.0 20.4 RqEA108H36
K21A03P KC2021 01 09.30521 07 33 04.58 +54 03 26.8 20.6 RqEA108H36
K21A03P C2021 01 09.30545 07 33 05.62 +54 03 41.3 oEA108711
K21A03P C2021 01 09.30850 07 33 03.53 +54 03 25.4 oEA108711
K21A03P C2021 01 09.31154 07 33 01.39 +54 03 09.1 oEA108711
K21A03P KC2021 01 09.40788707 31 57.12 +53 54 27.1 20.55GVEA108I52
K21A03P KC2021 01 09.40914707 31 56.30 +53 54 19.8 20.22GVEA108I52
K21A03P KC2021 01 09.41040907 31 55.46 +53 54 13.3 20.90GVEA108I52
K21A03P KC2021 01 09.41167407 31 54.62 +53 54 06.3 20.32GVEA108I52
K21A03P ^C2021 01 09.46062207 31 28.931+53 50 19.60 20.52GVEA108568
K21A03P ^C2021 01 09.46160207 31 28.255+53 50 14.34 20.67GVEA108568
K21A03P ^C2021 01 09.46258307 31 27.581+53 50 09.07 20.57GVEA108568
K21A03P KC2021 01 10.16882307 24 32.94 +52 45 40.1 20.55GVEA108I52
K21A03P KC2021 01 10.17008507 24 32.10 +52 45 33.0 21.39GVEA108I52
K21A03P KC2021 01 10.17134607 24 31.32 +52 45 27.1 20.94GVEA108I52
K21A03P KC2021 01 10.17260607 24 30.55 +52 45 20.9 20.19GVEA108I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, U.
Laux, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
711 McDonald Observatory, Fort Davis. Observers J. G. Ries, B. P. Roman.
Measurer J. G. Ries. 2.1-m reflector + CCD + focal reducer.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer T. A. Pruyne.
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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic. 1.0-m
f/2.9 reflector + CCD.
Orbital elements:
2021 AP3 Earth MOID = 0.0785 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 125.09931 (2000.0) P Q
n 1.05273552 Peri. 8.50579 +0.68243874 +0.72085509
a 0.9570248 Node 304.63255 -0.67898316 +0.56387075
e 0.1129533 Incl. 8.45763 -0.27066445 +0.40301081
P 0.94 H 25.01 G 0.15 U 6
Residuals in seconds of arc
210108 F51 0.0- 0.0+ 210108 L01 0.4+ 0.4- 210109 568 0.0+ 0.0+
210108 F51 0.1- 0.0+ 210109 H36 0.5- 0.2+ 210109 568 0.0+ 0.0+
210108 F51 0.1+ 0.0+ 210109 H36 0.4+ 1.6- 210109 568 0.0- 0.0+
210108 F51 0.0- 0.0- 210109 H36 0.6+ 0.5- 210109 568 0.0- 0.0+
210108 F51 0.0- 0.0- 210109 H36 0.7+ 0.5- 210109 568 0.0- 0.0+
210108 F51 0.0+ 0.0+ 210109 711 0.5- 0.5- 210109 568 0.0- 0.0+
210108 F51 0.0+ 0.0+ 210109 711 0.5- 0.3- 210110 I52 0.2+ 0.0+
210108 033 0.3- 0.5+ 210109 711 1.0- 0.5- 210110 I52 0.3- 0.5-
210108 033 0.7- 0.6- 210109 I52 0.4- 0.0+ 210110 I52 0.2- 0.1+
210108 033 0.0+ 0.7+ 210109 I52 0.1- 0.3- 210110 I52 0.1+ 0.4+
210108 L01 0.2+ 0.1- 210109 I52 0.1- 0.2+
210108 L01 0.1+ 0.2- 210109 I52 0.0+ 0.2+
Ephemeris:
2021 AP3 a,e,i = 0.96, 0.11, 8 q = 0.8489
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 11 12 20 41.6 +61 06 25 0.1225 1.0177 102.2 71.0 23.0
...
2020 12 26 10 31 40.5 +64 01 14 0.09623 1.0384 122.6 53.0 22.0
...
2021 01 03 08 49 00.8 +61 11 16 0.08539 1.0472 136.9 39.9 21.3
...
2021 01 09 07 36 17.6 +54 29 32 0.08116 1.0527 147.5 30.1 21.0
2021 01 10 07 26 05.1 +53 01 00 0.08089 1.0536 149.0 28.8 20.9
2021 01 11 07 16 31.0 +51 27 41 0.08077 1.0544 150.3 27.5 20.9
...
2021 01 17 06 32 02.8 +41 08 17 0.08311 1.0585 153.1 24.9 20.9
...
2021 01 25 05 59 41.5 +27 47 16 0.09393 1.0625 144.8 32.3 21.4
...
2021 02 09 05 41 41.8 +11 07 36 0.1294 1.0650 124.3 49.9 22.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-A108
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