[Iaude] MPEC K37: 2021 AL6 [a=2.44,e=0.66,i=17.4,H=20.57]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue May 21 10:11:03 EDT 2024
M.P.E.C. 2024-K37 Issued 2024 May 21, 14:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2021 AL6
Revision to MPEC 2021-A193
Additional Observations:
K21A06L DC2024 05 18.41290 20 44 46.98 -06 45 22.5 VEK037695
K21A06L DC2024 05 18.42332 20 44 48.22 -06 45 05.1 22.8 GVEK037695
K21A06L DC2024 05 20.43614 20 49 02.14 -05 47 43.7 22.9 GVEK037695
K21A06L DC2024 05 20.44567 20 49 03.31 -05 47 27.2 VEK037695
K21A06L DC2024 05 20.45521 20 49 04.51 -05 47 10.3 VEK037695
Observer details:
695 Kitt Peak. Observer A. F. Tubbiolo. 2.3-m f/9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240518 695 4.1+ 1.7+ 240520 695 4.0+ 1.9+ MPO740957 +0.06 days
Orbital elements:
2021 AL6 PHA, Earth MOID = 0.0088 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 320.65260 (2000.0) P Q
n 0.25921516 Peri. 125.97522 +0.91677860 -0.28073555
a 2.4361038 Node 251.85898 +0.19532976 +0.93557423
e 0.6569215 Incl. 17.39425 +0.34837233 +0.21421581
P 3.80 H 20.57 G 0.15 U 0
Residuals in seconds of arc
200614 F51 0.0 0.0 210113 I52 0.1+ 0.4+ 210117 I52 0.1- 0.0
200614 F51 0.0 0.0 210113 L01 0.1+ 0.4- 210117 I52 0.1+ 0.1-
200614 F51 0.0 0.3- 210113 L01 1.3- 0.1- 210117 I52 0.1+ 0.1+
200617 F52 0.4+ 0.0 210114 I52 (0.3- 2.0-) 210117 691 0.3+ 0.1+
200617 F52 0.3- 0.0 210114 I52 0.7- 0.1- 210117 691 0.1+ 0.1-
200626 F51 0.2- 0.4+ 210114 I52 0.2+ 0.0 210117 807 0.1+ 0.1+
200626 F51 0.2- 0.0 210114 I52 0.7- 0.0 210117 807 0.1+ 0.1-
200708 F51 0.2- 0.3+ 210114 673 0.2+ 0.1+ 210117 807 0.0 0.2+
200708 F51 0.3+ 0.1- 210114 673 0.0 0.1+ 210117 691 0.3- 0.4-
200708 F51 0.0 0.2+ 210114 F52 0.2- 0.1+ 210118 691 0.2+ 0.0
200711 F51 0.0 0.0 210114 F52 0.2- 0.2- 210118 691 0.0 0.1+
200711 F51 0.0 0.1- 210114 F52 0.4+ 0.2- 210118 I52 0.1+ 0.2+
200711 F51 0.2- 0.1+ 210114 F52 0.3- 0.2+ 210118 I52 0.2+ 0.0
200718 F51 0.0 0.1+ 210114 474 0.7- 0.9- 210118 I52 0.2- 0.3-
200718 F51 0.1+ 0.1+ 210114 474 0.6+ 0.6- 210118 I52 0.1- 0.2-
200718 F51 0.3+ 0.1- 210114 474 0.8- 0.2- 210119 691 0.2+ 0.3-
201215 F51 0.0 0.0 210114 474 0.1- 0.5+ 210119 691 0.1+ 0.1+
201215 F51 0.0 0.1+ 210114 474 0.2+ 0.4+ 210119 691 0.2- 0.2-
201215 F51 0.1- 0.0 210115 I52 0.1+ 0.1- 210201 695 0.0 0.3+
201215 F51 0.1- 0.1+ 210115 I52 0.8+ 0.2- 210201 695 0.1+ 0.4+
201227 C51 0.8+ 0.2- 210115 I52 0.1- 0.1- 210203 H21 0.2- 0.1+
201227 C51 0.2+ 0.1+ 210115 I52 0.0 0.2- 210203 H21 0.1+ 0.2-
201228 C51 0.6+ 0.8- 210116 291 0.7+ 0.5- 210203 H21 0.2+ 0.4+
201228 C51 0.1- 1.0- 210116 291 0.2+ 0.0 210207 V06 0.5- 0.1-
201228 C51 0.0 0.2- 210116 291 0.1+ 0.0 210207 V06 0.0 0.3+
210107 F51 0.1+ 0.2+ 210116 I52 0.3- 0.0 210207 V06 0.1+ 0.1+
210113 G96 0.4+ 0.1- 210116 I52 0.1- 0.0 240518 695 0.3+ 0.0
210113 G96 0.1+ 0.3+ 210116 I52 0.2- 0.0 240518 695 0.3- 0.0
210113 G96 0.1+ 0.4- 210116 I52 0.3- 0.1+ 240520 695 0.1+ 0.1+
210113 G96 0.3+ 0.1- 210116 F52 0.0 0.1+ 240520 695 0.2- 0.1-
210113 I52 0.3- 0.1+ 210116 F52 0.1+ 0.0 240520 695 0.0 0.1+
210113 I52 0.1- 0.1- 210116 F52 0.1+ 0.1+
210113 I52 0.4+ 0.2+ 210117 I52 0.1- 0.1+
Ephemeris:
2021 AL6 a,e,i = 2.44, 0.66, 17 q = 0.8358
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 21 19 51 37.1 -16 06 15 1.4980 1.8641 94.2 32.5 24.2
...
2024 05 06 20 19 56.3 -11 43 20 1.2246 1.7292 101.0 34.9 23.6
...
2024 05 14 20 35 43.7 -08 41 31 1.0877 1.6553 104.1 36.3 23.3
...
2024 05 20 20 48 06.4 -06 00 20 0.9901 1.5992 106.0 37.5 23.1
2024 05 21 20 50 13.7 -05 31 04 0.9744 1.5898 106.3 37.7 23.0
2024 05 22 20 52 22.3 -05 01 04 0.9587 1.5804 106.6 37.9 23.0
...
2024 05 28 21 05 42.2 -01 44 03 0.8681 1.5236 107.9 39.3 22.7
...
2024 06 05 21 25 09.7 +03 31 10 0.7570 1.4472 108.7 41.6 22.4
...
2024 06 20 22 10 47.5 +16 47 47 0.5862 1.3033 105.7 48.6 21.8
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-K37
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