[Iaude] MPEC J237: 2021 JL7 [a=0.93,e=0.45,i=28.9,H=22.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat May 15 16:19:00 EDT 2021
M.P.E.C. 2021-J237 Issued 2021 May 15, 20:17 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
2021 JL7
Observations:
K21J07L* C2021 05 12.29968812 30 14.472-17 57 25.57 19.87wUEJ237F51
K21J07L C2021 05 12.31076612 30 10.047-17 55 18.76 20.32wUEJ237F51
K21J07L C2021 05 12.32181312 30 05.595-17 53 11.33 20.44wUEJ237F51
K21J07L KC2021 05 12.42272812 29 27.43 -17 32 45.4 19.8 GVEJ237474
K21J07L KC2021 05 12.42454612 29 26.71 -17 32 24.3 19.7 GVEJ237474
K21J07L KC2021 05 12.43000812 29 24.57 -17 31 21.2 20.3 GVEJ237474
K21J07L KC2021 05 12.43182712 29 23.87 -17 31 00.0 20.0 GVEJ237474
K21J07L 4C2021 05 12.94285 12 26 12.63 -15 52 55.9 19.9 GVEJ237J04
K21J07L 4C2021 05 12.94377 12 26 12.21 -15 52 44.8 19.7 GVEJ237J04
K21J07L 4C2021 05 12.94471 12 26 11.89 -15 52 34.3 19.8 GVEJ237J04
K21J07L KC2021 05 13.09573712 25 16.69 -15 23 06.9 20.2 VuEJ237H21
K21J07L KC2021 05 13.09859512 25 15.60 -15 22 33.4 20.2 VuEJ237H21
K21J07L KC2021 05 13.10202312 25 14.26 -15 21 53.0 20.0 VuEJ237H21
K21J07L KC2021 05 13.11456 12 25 09.73 -15 19 25.2 20.2 GVEJ237H36
K21J07L KC2021 05 13.12012 12 25 07.58 -15 18 19.2 20.3 GVEJ237H36
K21J07L KC2021 05 13.12567 12 25 05.52 -15 17 13.7 20.0 GVEJ237H36
K21J07L KC2021 05 13.15018112 24 56.50 -15 12 22.5 20.1 VqEJ237858
K21J07L KC2021 05 13.15505212 24 54.60 -15 11 25.3 20.0 VqEJ237858
K21J07L KC2021 05 13.15992512 24 52.68 -15 10 27.7 20.2 VqEJ237858
K21J07L KC2021 05 13.18456 12 24 42.49 -15 05 38.9 19.9 RqEJ237734
K21J07L KC2021 05 13.18735 12 24 41.46 -15 05 07.8 19.7 RqEJ237734
K21J07L KC2021 05 13.19018 12 24 40.34 -15 04 31.2 19.6 RqEJ237734
K21J07L KC2021 05 13.19298 12 24 39.25 -15 03 59.0 20.1 RqEJ237734
K21J07L mC2021 05 13.24588112 24 19.30 -14 53 30.5 19.47GVEJ237I52
K21J07L mC2021 05 13.24630112 24 19.13 -14 53 25.5 20.27GVEJ237I52
K21J07L mC2021 05 13.24672012 24 18.95 -14 53 20.5 20.07GVEJ237I52
K21J07L mC2021 05 13.24714012 24 18.82 -14 53 15.3 19.50GVEJ237I52
K21J07L KC2021 05 13.30301512 24 01.20 -14 41 02.6 20.0 GVEJ237474
K21J07L KC2021 05 13.30483112 24 00.52 -14 40 40.9 20.0 GVEJ237474
K21J07L KC2021 05 13.30664612 23 59.80 -14 40 19.8 19.9 GVEJ237474
K21J07L KC2021 05 13.90364612 20 21.34 -12 42 11.6 20.1 GXEJ237Y00
K21J07L KC2021 05 13.90622112 20 20.37 -12 41 40.3 19.7 GXEJ237Y00
K21J07L KC2021 05 13.90895312 20 19.30 -12 41 07.7 19.7 GXEJ237Y00
K21J07L KC2021 05 13.93170112 20 08.06 -12 37 34.1 19.7 GVEJ237I93
K21J07L KC2021 05 13.93851012 20 05.46 -12 36 12.3 20.8 GVEJ237I93
K21J07L KC2021 05 14.08702412 19 13.22 -12 06 28.0 20.2 VuEJ237H21
K21J07L KC2021 05 14.08983312 19 12.15 -12 05 54.1 20.3 VuEJ237H21
K21J07L KC2021 05 14.09060712 19 11.88 -12 05 44.8 20.1 VuEJ237H21
K21J07L KC2021 05 14.13781512 18 54.87 -11 56 14.7 20.3 VqEJ237858
K21J07L KC2021 05 14.14187212 18 53.32 -11 55 25.9 20.1 VqEJ237858
K21J07L KC2021 05 14.14593112 18 51.73 -11 54 36.6 20.0 VqEJ237858
K21J07L 1C2021 05 14.90671 12 14 17.50 -09 21 34.4 20.9 VVEJ237033
K21J07L 1C2021 05 14.90729 12 14 17.27 -09 21 27.4 20.5 VVEJ237033
K21J07L 1C2021 05 14.90786 12 14 17.06 -09 21 20.4 20.5 VVEJ237033
K21J07L 1C2021 05 14.90843 12 14 16.85 -09 21 13.7 20.5 VVEJ237033
K21J07L 2C2021 05 14.90845812 14 18.067-09 20 58.32 20.0 GVEJ237J04
K21J07L 2C2021 05 14.91088712 14 17.169-09 20 28.54 19.1 GVEJ237J04
K21J07L KC2021 05 15.09472812 13 12.33 -08 43 25.9 20.4 VuEJ237H21
K21J07L KC2021 05 15.09763012 13 11.24 -08 42 50.5 20.3 VuEJ237H21
K21J07L KC2021 05 15.10081912 13 10.05 -08 42 12.0 uEJ237H21
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.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD,
0.76-m f/3.0 astrograph + 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers A.
Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken, D.
Fohring, L. Conversi. 1.0-m f/4.4 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 JL7 Earth MOID = 0.0609 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 102.00808 (2000.0) P Q
n 1.10258180 Peri. 136.57510 +0.92725531 -0.04852402
a 0.9279591 Node 230.20164 +0.02639426 +0.99757122
e 0.4502699 Incl. 28.89705 +0.37349823 +0.04997080
P 0.89 H 22.57 G 0.15 U 7
Residuals in seconds of arc
210512 F51 0.0 0.2+ 210513 858 0.3+ 0.0 210513 I93 0.1+ 0.3-
210512 F51 (0.3+ 0.5-) 210513 858 0.1+ 0.1+ 210514 H21 0.3- 0.3-
210512 F51 0.0 0.2- 210513 734 0.1- 0.3+ 210514 H21 0.2- 0.1-
210512 474 0.1- 0.0 210513 734 (0.8+ 1.6-) 210514 H21 0.2+ 0.1-
210512 474 0.1- 0.1+ 210513 734 (0.5+ 1.6+) 210514 858 0.1+ 0.3-
210512 474 0.1+ 0.0 210513 734 0.5+ 0.6+ 210514 858 0.1+ 0.3-
210512 474 0.4+ 0.1+ 210513 I52 0.3- 0.3- 210514 858 0.4- 0.2+
210512 J04 0.4+ 0.2+ 210513 I52 0.4- 0.3- 210514 033 0.0 0.2-
210512 J04 0.3- 0.5+ 210513 I52 0.5- 0.2- 210514 033 0.2- 0.3-
210512 J04 0.4+ 0.0 210513 I52 0.1- 0.0 210514 033 0.2- 0.2-
210513 H21 0.4- 0.1- 210513 474 0.2- 0.3- 210514 033 0.2- 0.4-
210513 H21 0.1- 0.2- 210513 474 0.1+ 0.0 210514 J04 0.1+ 0.1+
210513 H21 0.1- 0.1- 210513 474 0.3- 0.4- 210514 J04 0.4+ 0.4+
210513 H36 0.9- 0.6- 210513 Y00 0.4- 0.5- 210515 H21 0.4+ 0.1+
210513 H36 0.6- 0.1- 210513 Y00 0.2- 0.1+ 210515 H21 0.3+ 0.3+
210513 H36 1.0+ 0.1+ 210513 Y00 0.5- 0.1+ 210515 H21 0.3+ 0.1+
210513 858 0.2+ 0.2+ 210513 I93 0.3+ 0.3-
Ephemeris:
2021 JL7 a,e,i = 0.93, 0.45, 29 q = 0.5101
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 15 15 07 29.2 -55 20 28 0.3499 1.2594 130.6 37.2 22.3
...
2021 04 30 13 51 52.2 -45 45 11 0.2168 1.1966 148.0 26.5 20.8
...
2021 05 08 12 58 17.4 -30 28 00 0.1667 1.1558 149.3 26.5 20.2
...
2021 05 14 12 19 44.6 -12 23 16 0.1490 1.1219 135.5 39.1 20.2
2021 05 15 12 13 45.9 -09 02 01 0.1482 1.1160 132.3 42.1 20.3
2021 05 16 12 07 56.3 -05 39 24 0.1480 1.1099 128.9 45.2 20.4
...
2021 05 22 11 36 18.2 +13 28 55 0.1589 1.0722 108.0 63.9 21.0
...
2021 05 30 11 01 46.7 +32 04 22 0.1968 1.0174 85.5 83.4 22.0
...
2021 06 14 10 06 20.7 +49 52 38 0.2948 0.9015 59.3 104.4 23.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J237
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