Event between (471165) 10HE79 and star GA0700:06761328 with event index number of 2263932
Geocentric closest approach at 2022/02/02 17:12:43 UTC
J2000 position of star is 16:43:48.0 -18:57:30
Equinox of date position of star is 16:45:04.4 -18:59:51
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 82 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=21.2
TNO is 37.7 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 19.5
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is
1397 km.
The TNO has an absolute magnitude Hv=5.3
Diameter=522.4 km assuming a 5% albedo -- 26.8 sec chord
Diameter=213.3 km assuming a 30% albedo -- 10.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 471165, (2022/02/02 17:13UT) Object RA Dec mag sep mel Antares 16:30:45.9 -26:28:45 0.9 8.18 84 35Eta Oph 17:11:38.8 -15:45:03 2.6 7.12 77 PPM 232040 16:43:11.8 -19:57:54 5.8 1.07 82 PPM 232092 16:45:22.1 -18:34:51 7.4 0.42 82 PPM 232067 16:44:35.2 -18:59:53 9.6 0.12 82 471165 16:45:05.5 -18:59:53 13.5 82 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 471165, (2022/02/02 17:13UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.18 84 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.12 77 PPM 232040 16:41:53.8 -19:55:27 5.8 1.07 82 PPM 232092 16:44:04.8 -18:32:29 7.4 0.42 82 PPM 232067 16:43:17.7 -18:57:29 9.6 0.12 82 471165 16:43:48.0 -18:57:30 13.5 82 Positions are for J2000
Event circumstances last updated at 2021/10/11 01:45:19 UT
Marc W. Buie, Southwest Research Institute