MPEC 2022-J109 : 2021 GQ172
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M.P.E.C. 2022-J109 Issued 2022 May 14, 02:06 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 GQ172
Observations:
K21GH2Q C2021 02 17.47330510 20 26.834+07 05 37.29 23.06GVEJ109F51
K21GH2Q C2021 02 17.48613610 20 26.174+07 05 33.85 22.67GVEJ109F51
K21GH2Q C2021 02 17.51160510 20 24.846+07 05 28.76 22.98GVEJ109F51
K21GH2Q C2021 04 03.25063809 55 55.065+03 28 38.66 22.52GVEJ109F51
K21GH2Q C2021 04 03.27562509 55 55.484+03 28 26.14 22.54GVEJ109F52
K21GH2Q C2021 04 03.27685609 55 55.497+03 28 25.83 23.09GVEJ109F51
K21GH2Q C2021 04 03.29002509 55 55.705+03 28 19.59 23.04GVEJ109F51
K21GH2Q C2021 04 11.22032 10 01 11.78 +02 18 21.1 22.4 GVEJ109V00
K21GH2Q C2021 04 11.22507 10 01 12.00 +02 18 17.9 22.8 GVEJ109V00
K21GH2Q C2021 04 11.22982 10 01 12.23 +02 18 15.0 21.7 GVEJ109V00
K21GH2Q C2021 04 12.00313 10 01 57.57 +02 11 05.8 oEJ109W93
K21GH2Q C2021 04 12.02440 10 01 58.62 +02 10 53.3 22.6 RoEJ109W93
K21GH2Q C2021 04 12.04193 10 01 59.56 +02 10 42.1 22.2 RoEJ109W93
K21GH2Q C2021 04 12.04535 10 01 59.72 +02 10 40.1 oEJ109W93
K21GH2Q C2021 04 12.05943 10 02 00.40 +02 10 32.1 oEJ109W93
K21GH2Q C2021 04 12.06286 10 02 00.60 +02 10 30.4 oEJ109W93
K21GH2Q*!C2021 04 15.05647 10 05 15.90 +01 39 58.4 24.2 g EJ109W84
K21GH2Q !C2021 04 15.10981 10 05 19.30 +01 39 24.5 EJ109W84
K21GH2Q !C2021 04 15.12246 10 05 20.10 +01 39 16.7 EJ109W84
K21GH2Q C2021 04 16.02517 10 06 27.02 +01 29 40.1 oEJ109W93
K21GH2Q C2021 04 16.02861 10 06 27.25 +01 29 37.3 22.4 RoEJ109W93
K21GH2Q C2021 04 16.04606 10 06 28.38 +01 29 26.7 oEJ109W93
K21GH2Q C2021 04 16.07451 10 06 30.33 +01 29 08.5 oEJ109W93
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers B. Gray, D. Rankin, F. C.
Shelly. 2.25-m reflector + mosaic CCD.
W84 Cerro Tololo-DECam. Observer . Measurer F. Valdes. 4.0-m CTIO
reflector.
W93 Korea Microlensing Telescope Network-CTIO. Observer Y. JeongAhn. 1.6-m
f/3.22 reflector + CCD.
Orbital elements:
2021 GQ172 Earth MOID = 0.2657 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 63.48536 (2000.0) P Q
n 0.24709454 Peri. 258.02990 -0.85541007 +0.51604577
a 2.5151311 Node 313.01877 -0.44845149 -0.78078567
e 0.4983357 Incl. 3.48072 -0.25916186 -0.35223642
P 3.99 H 23.01 G 0.15 U 5
Residuals in seconds of arc
210217 F51 0.0 0.4+ 210411 V00 0.1- 0.3- 210415 W84 0.0 0.0
210217 F51 0.1+ 0.3- 210411 V00 0.1- 0.4- 210415 W84 0.1+ 0.1-
210217 F51 0.1- 0.1+ 210412 W93 0.7+ 0.5+ 210415 W84 0.0 0.2+
210403 F51 0.2- 0.4+ 210412 W93 0.0 0.5+ 210416 W93 0.3+ 0.5+
210403 F52 0.1+ 0.2- 210412 W93 0.6+ 0.3- 210416 W93 0.3+ 0.1-
210403 F51 0.0 0.1+ 210412 W93 0.4+ 0.3- 210416 W93 0.4- 0.6+
210403 F51 0.0 0.1+ 210412 W93 0.2- 0.0 210416 W93 0.1+ 0.8+
210411 V00 0.0 0.2+ 210412 W93 0.1+ 0.4+
Ephemeris:
2021 GQ172 a,e,i = 2.52, 0.50, 3 q = 1.2618
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 04 14 23 44 15.4 -00 02 32 3.8123 2.9583 27.4 9.0 28.9
...
2022 04 29 00 02 02.1 +02 02 23 3.7626 3.0215 37.1 11.6 29.0
...
2022 05 07 00 10 54.6 +03 05 28 3.7219 3.0541 42.4 12.9 29.0
...
2022 05 13 00 17 15.5 +03 50 53 3.6853 3.0780 46.5 13.8 29.1
2022 05 14 00 18 17.4 +03 58 18 3.6787 3.0819 47.2 13.9 29.1
2022 05 15 00 19 18.8 +04 05 39 3.6720 3.0859 47.8 14.0 29.1
...
2022 05 21 00 25 17.1 +04 48 44 3.6290 3.1092 52.0 14.9 29.1
...
2022 05 29 00 32 46.0 +05 43 13 3.5644 3.1397 57.6 15.8 29.1
...
2022 06 13 00 45 06.5 +07 14 59 3.4240 3.1948 68.5 17.2 29.1
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-J109
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