MPEC 2021-M61 : 2021 MU
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-M60
Read MPEC 2021-M62
M.P.E.C. 2021-M61 Issued 2021 June 20, 04:31 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 MU
Observations:
K21M00U*KC2021 06 18.22187 19 51 48.24 -20 40 52.7 17.6 GVEM061W94
K21M00U KC2021 06 18.22754 19 51 42.18 -20 40 03.7 17.3 GVEM061W94
K21M00U KC2021 06 18.23313 19 51 36.13 -20 39 15.5 17.4 GVEM061W94
K21M00U KC2021 06 18.27094 19 50 55.42 -20 33 40.2 17.6 GVEM061W95
K21M00U KC2021 06 18.27620 19 50 49.78 -20 32 52.1 17.7 GVEM061W95
K21M00U KC2021 06 18.28145 19 50 44.21 -20 32 03.9 17.4 GVEM061W95
K21M00U KC2021 06 18.94897919 46 12.91 -19 25 32.7 17.1 GVEM061G34
K21M00U KC2021 06 18.95492819 46 09.41 -19 24 59.4 16.7 GVEM061G34
K21M00U KC2021 06 18.96683019 46 01.97 -19 23 53.5 16.9 GVEM061G34
K21M00U KC2021 06 19.04740219 46 06.97 -18 58 11.4 19.1 GXEM061Y00
K21M00U KC2021 06 19.04851319 46 06.34 -18 58 06.6 18.2 GXEM061Y00
K21M00U KC2021 06 19.05015019 46 05.41 -18 57 59.6 18.1 GXEM061Y00
K21M00U *C2021 06 19.08414 19 45 16.41 -19 08 58.3 17.9 GVEM061G40
K21M00U *C2021 06 19.10313 19 45 02.95 -19 07 14.5 18.7 GVEM061G40
K21M00U mC2021 06 19.27800119 44 33.00 -18 50 56.2 18.04GVEM061I52
K21M00U mC2021 06 19.27824719 44 32.87 -18 50 55.7 18.35GVEM061I52
K21M00U mC2021 06 19.27849319 44 32.74 -18 50 54.3 18.49GVEM061I52
K21M00U mC2021 06 19.27873919 44 32.61 -18 50 53.6 18.45GVEM061I52
K21M00U !C2021 06 19.32536 19 43 27.78 -18 32 02.3 18.2 GVEM061W88
K21M00U !C2021 06 19.34601 19 43 15.30 -18 30 08.4 18.1 GVEM061W88
K21M00U KC2021 06 19.98993 19 41 01.84 -18 00 15.6 18.1 RoEM061K88
K21M00U KC2021 06 19.99259 19 41 00.63 -18 00 05.3 17.8 RoEM061K88
K21M00U KC2021 06 19.99525 19 40 59.45 -17 59 55.4 18.0 RoEM061K88
Observer details:
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain +
CCD.
G40 Slooh.com Canary Islands Observatory. Observer M. Suzuki. 0.43-m f/6.8
Corrected Dall-Kirkham + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
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.
K88 GINOP-KHK, Piszkesteto. Observers K. Sarneczky, B. Cseh. Measurer K.
Sarneczky. 0.60-m Schmidt + CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observer W. F. Cashwell. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott. 0.28-m f/2.2 Schmidt + CCD.
W95 Observatorio Panameno, San Pedro de Atacama. Observers A. Maury, G.
Attard, J. Fabrega. Measurers A. Maury, G. Attard, D. Parrott. 0.40-m
f/3.8 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 MU Earth MOID = 0.0010 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Bell
M 51.60041 (2000.0) P Q
n 0.78236324 Peri. 306.72753 -0.83286579 +0.55307645
a 1.1664436 Node 266.85988 -0.50086250 -0.76929819
e 0.1769550 Incl. 1.20514 -0.23552352 -0.31982299
P 1.26 H 27.18 G 0.15 U 6
Residuals in seconds of arc
210618 W94 0.4+ 0.1- 210618 G34 0.5- 0.8- 210619 I52 0.1- 0.0
210618 W94 1.0+ 0.3+ 210619 Y00 0.6- 0.2- 210619 I52 0.2+ 0.3-
210618 W94 0.6+ 0.1+ 210619 Y00 0.4- 0.0 210619 W88 0.2+ 0.4-
210618 W95 0.1+ 0.2+ 210619 Y00 0.0 0.1+ 210619 W88 0.3- 0.0
210618 W95 0.4- 0.5+ 210619 G40 0.1+ 0.0 210619 K88 0.3+ 0.3-
210618 W95 0.2- 0.8+ 210619 G40 0.1+ 0.0 210619 K88 0.1- 0.2+
210618 G34 0.3+ 0.3+ 210619 I52 0.3- 0.3+ 210619 K88 0.1+ 0.4+
210618 G34 (1.8+ 0.3+) 210619 I52 0.2- 0.3-
Ephemeris:
2021 MU a,e,i = 1.17, 0.18, 1 q = 0.9600
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 21 07 49 08.0 +23 22 35 0.06215 0.9778 55.0 122.0 26.1
...
2021 06 05 07 53 31.6 +21 45 57 0.02535 0.9959 41.9 137.1 25.7
...
2021 06 13 07 30 43.4 +14 48 11 0.0060721.0104 30.8 149.0 24.4
...
2021 06 19 19 45 30.1 -19 05 33 0.0089471.0241 152.7 27.0 18.2
2021 06 20 19 40 53.0 -17 47 59 0.01136 1.0264 154.4 25.3 18.7
2021 06 21 19 37 53.6 -16 57 39 0.01379 1.0288 155.8 23.9 19.1
...
2021 06 27 19 30 13.4 -15 00 20 0.02843 1.0436 162.1 17.4 20.5
...
2021 07 05 19 25 42.6 -14 28 47 0.04865 1.0645 169.1 10.4 21.4
...
2021 07 20 19 21 42.4 -14 48 19 0.09137 1.1062 169.7 9.4 22.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-M61
Read MPEC 2021-M60
Read MPEC 2021-M62
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)