MPEC 2021-M54 : 2021 MJ
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M.P.E.C. 2021-M54 Issued 2021 June 19, 04:10 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 MJ
Observations:
K21M00J C2021 05 24.44616 23 03 35.39 +47 30 26.0 VEM054G96
K21M00J C2021 05 24.44998 23 03 35.58 +47 30 22.2 VEM054G96
K21M00J C2021 05 24.45380 23 03 35.87 +47 30 19.2 21.8 GVEM054G96
K21M00J C2021 06 04.44960 23 17 30.84 +44 00 27.3 VEM054G96
K21M00J C2021 06 04.45377 23 17 31.19 +44 00 22.2 22.1 GVEM054G96
K21M00J C2021 06 04.45759 23 17 31.57 +44 00 16.6 21.4 GVEM054G96
K21M00J C2021 06 04.46141 23 17 31.85 +44 00 12.8 21.5 GVEM054G96
K21M00J* C2021 06 17.42550723 41 40.94 +38 10 48.4 20.88GVEM054G96
K21M00J C2021 06 17.43129123 41 41.70 +38 10 36.9 20.99GVEM054G96
K21M00J C2021 06 17.43707923 41 42.44 +38 10 25.2 20.92GVEM054G96
K21M00J C2021 06 17.44286723 41 43.12 +38 10 13.9 20.99GVEM054G96
K21M00J KC2021 06 17.45511523 41 44.67 +38 09 49.1 21.57GVEM054I52
K21M00J KC2021 06 17.45679523 41 44.91 +38 09 46.1 20.97GVEM054I52
K21M00J KC2021 06 17.45847623 41 45.08 +38 09 42.3 20.70GVEM054I52
K21M00J KC2021 06 17.46015723 41 45.28 +38 09 39.1 20.90GVEM054I52
K21M00J KC2021 06 18.42703823 43 55.71 +37 35 58.3 21.18GVEM054G96
K21M00J KC2021 06 18.42860423 43 55.91 +37 35 55.3 21.14GVEM054G96
K21M00J KC2021 06 18.43017023 43 56.16 +37 35 52.0 20.87GVEM054G96
K21M00J KC2021 06 18.43173723 43 56.27 +37 35 48.9 20.72GVEM054G96
K21M00J KC2021 06 19.02047523 45 17.36 +37 14 29.6 21.1 GVEM054L01
K21M00J IC2021 06 19.02554823 45 18.01 +37 14 18.3 21.4 GVEM054L01
K21M00J IC2021 06 19.02984123 45 18.56 +37 14 08.8 21.2 GVEM054L01
Observer details:
G96 Mt. Lemmon Survey. Observers T. A. Pruyne, G. J. Leonard, K. W.
Wierzchos, D. Rankin. Measurers B. Gray, D. Rankin, F. C. Shelly, 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, R. L.
Seaman, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 MJ PHA, Earth MOID = 0.0340 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Alexandersen
M 140.26294 (2000.0) P Q
n 1.16918748 Peri. 20.80520 -0.73521677 -0.40787529
a 0.8923734 Node 122.84730 +0.49432243 -0.86912174
e 0.1954219 Incl. 40.12149 +0.46379051 +0.27975909
P 0.84 H 20.47 G 0.15 U 5
Residuals in seconds of arc
210524 G96 0.2- 0.2- 210617 G96 0.2+ 0.0 210618 G96 0.2+ 0.1+
210524 G96 0.3- 0.3- 210617 G96 0.4+ 0.1- 210618 G96 0.7+ 0.1+
210524 G96 0.5+ 0.4+ 210617 G96 0.2- 0.1+ 210618 G96 0.4- 0.2+
210604 G96 0.0 0.2- 210617 I52 0.1- 0.2- 210619 L01 0.1+ 0.5+
210604 G96 0.0 0.0 210617 I52 0.3+ 0.2+ 210619 L01 0.3- 0.0
210604 G96 (0.5+ 0.8-) 210617 I52 0.2- 0.2- 210619 L01 0.7- 0.3-
210604 G96 0.0 0.2+ 210617 I52 0.4- 0.1-
210617 G96 0.2- 0.0 210618 G96 0.3+ 0.2-
Ephemeris:
2021 MJ a,e,i = 0.89, 0.20, 40 q = 0.7180
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 20 22 59 42.7 +48 43 01 0.6014 0.9154 63.3 80.8 22.0
...
2021 06 04 23 16 48.7 +44 10 09 0.5153 0.9639 69.5 80.4 21.8
...
2021 06 12 23 30 29.6 +40 56 40 0.4574 0.9868 73.3 80.3 21.5
...
2021 06 18 23 42 56.6 +37 51 04 0.4103 1.0023 76.4 80.2 21.3
2021 06 19 23 45 13.2 +37 15 24 0.4022 1.0047 76.9 80.1 21.3
2021 06 20 23 47 33.6 +36 38 08 0.3941 1.0071 77.5 80.1 21.3
...
2021 06 26 00 03 02.1 +32 13 16 0.3449 1.0206 80.9 79.6 21.0
...
2021 07 04 00 28 15.3 +23 39 55 0.2809 1.0360 86.1 78.3 20.5
...
2021 07 19 01 36 26.7 -07 41 20 0.1953 1.0566 96.6 72.8 19.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-M54
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