MPEC 2021-J238 : 2021 JM7
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2021-J237
Read MPEC 2021-J239
M.P.E.C. 2021-J238 Issued 2021 May 15, 20:20 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 JM7
Observations:
K21J07M KC2021 05 11.95248 15 11 32.82 -00 35 59.0 19.5 RoEJ238K88
K21J07M KC2021 05 11.95314 15 11 32.60 -00 35 47.2 20.1 RoEJ238K88
K21J07M*KC2021 05 14.11266 15 00 12.77 +10 05 47.1 19.5 GVEJ238W16
K21J07M KC2021 05 14.12061 15 00 10.17 +10 08 01.0 20.2 GVEJ238W16
K21J07M KC2021 05 14.12854 15 00 07.59 +10 10 14.8 20.3 GVEJ238W16
K21J07M KC2021 05 14.13656 15 00 04.92 +10 12 29.6 19.7 GVEJ238W16
K21J07M KC2021 05 14.41633014 58 34.68 +11 29 59.4 20.77GVEJ238I52
K21J07M KC2021 05 14.41929314 58 33.78 +11 30 48.9 19.84GVEJ238I52
K21J07M 1C2021 05 14.86226 14 56 25.86 +13 30 06.6 20.7 VVEJ238033
K21J07M 1C2021 05 14.86289 14 56 25.68 +13 30 16.4 21.2 VVEJ238033
K21J07M 1C2021 05 14.86352 14 56 25.49 +13 30 26.7 20.7 VVEJ238033
K21J07M 1C2021 05 14.86415 14 56 25.30 +13 30 36.8 20.7 VVEJ238033
K21J07M HC2021 05 14.87983 14 56 20.62 +13 34 52.0 VEJ238204
K21J07M HC2021 05 14.90671 14 56 12.07 +13 42 00.5 21 GVEJ238204
K21J07M 2C2021 05 14.95614114 55 58.293+13 55 24.23 20.7 GVEJ238J04
K21J07M 2C2021 05 14.95813014 55 57.625+13 55 56.16 20.8 GVEJ238J04
K21J07M KC2021 05 15.22889214 54 35.82 +15 06 23.3 21.4 VuEJ238H21
K21J07M KC2021 05 15.23477814 54 33.93 +15 07 54.4 21.3 VuEJ238H21
K21J07M KC2021 05 15.24072314 54 32.06 +15 09 26.6 21.2 VuEJ238H21
K21J07M KC2021 05 15.24549314 54 30.55 +15 10 40.3 21.2 VuEJ238H21
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.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + 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.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers M.
Micheli, D. Fohring, R. Kresken, D. Koschny, L. Conversi, A. Knofel,
M. Busch, E. Schwab. 1.0-m f/4.4 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
W16 Pleasant Groves Observatory. Observer M. Holbrook. 0.36-m reflector +
CCD.
Orbital elements:
2021 JM7 Earth MOID = 0.1066 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 57.44634 (2000.0) P Q
n 1.05415986 Peri. 160.54742 +0.82557646 -0.34700230
a 0.9561626 Node 228.47939 +0.40610206 +0.91288192
e 0.1851908 Incl. 36.46500 +0.39179666 -0.21502557
P 0.93 H 23.91 G 0.15 U 8
Residuals in seconds of arc
210511 K88 0.0 0.3+ 210514 I52 0.4+ 0.4+ 210514 J04 0.6+ 0.0
210511 K88 0.1+ 0.2- 210514 033 0.3- 0.1+ 210514 J04 0.2+ 0.4+
210514 W16 0.0 0.2- 210514 033 0.1- 0.2- 210515 H21 0.2+ 0.3-
210514 W16 0.1- 0.2- 210514 033 0.1+ 0.1+ 210515 H21 0.1- 0.4-
210514 W16 0.2+ 0.2+ 210514 033 0.2+ 0.1+ 210515 H21 0.2+ 0.1-
210514 W16 0.4- 0.1+ 210514 204 0.3- 0.1- 210515 H21 0.3+ 0.2-
210514 I52 0.3- 0.5- 210514 204 0.3- 0.2+
Ephemeris:
2021 JM7 a,e,i = 0.96, 0.19, 36 q = 0.7791
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 15 17 35 43.7 -67 51 40 0.2879 1.1331 109.7 56.5 23.5
...
2021 04 30 16 23 06.4 -50 20 35 0.1551 1.1265 137.5 37.2 21.6
...
2021 05 08 15 34 10.1 -21 08 02 0.1111 1.1191 170.8 8.3 20.0
...
2021 05 14 15 00 44.8 +09 34 29 0.1138 1.1119 151.3 25.8 20.6
2021 05 15 14 55 43.7 +14 07 04 0.1176 1.1105 146.2 30.4 20.8
2021 05 16 14 50 53.4 +18 19 35 0.1221 1.1091 141.4 34.7 21.0
...
2021 05 22 14 25 45.6 +36 38 24 0.1608 1.0999 119.3 53.4 22.1
...
2021 05 30 14 01 49.5 +48 41 30 0.2266 1.0854 102.5 65.8 23.2
...
2021 06 14 13 37 19.1 +57 27 28 0.3542 1.0519 86.0 74.4 24.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J238
Read MPEC 2021-J237
Read MPEC 2021-J239
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)