Event between 14OP394 and star GA0960:00114414 with event index number of 2512255
Geocentric closest approach at 2021/09/28 13:36:18 UTC
J2000 position of star is 01:18:16.5 +07:46:43
Equinox of date position of star is 01:19:24.6 +07:53:33
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=22.5
TNO is 44.6 AU from the Sun
and 43.6 AU from the Earth.
The TNO is moving 24.3
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 200 seconds.
The 1-sigma cross-track error in the shadow position is
2395 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=373.3 km assuming a 5% albedo -- 15.4 sec chord
Diameter=152.4 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 14OP394, (2021/09/28 13:36UT) Object RA Dec mag sep mel 6Bet Ari 01:55:50.7 +20:54:48 2.6 15.71 56 PPM 144653 01:30:11.3 +07:24:21 6.4 2.71 67 PPM 144479 01:20:36.6 +08:30:37 8.5 0.69 69 PPM 144444 01:18:13.3 +08:01:41 9.7 0.32 69 PPM 144472 01:20:02.0 +07:59:25 11.6 0.18 69 14OP394 01:19:24.7 +07:53:33 14.7 69 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 14OP394, (2021/09/28 13:36UT) Object RA Dec mag sep mel 6Bet Ari 01:54:38.5 +20:48:26 2.6 15.71 56 PPM 144653 01:29:03.1 +07:17:38 6.4 2.71 67 PPM 144479 01:19:28.3 +08:23:48 8.5 0.69 69 PPM 144444 01:17:05.1 +07:54:50 9.7 0.32 69 PPM 144472 01:18:53.8 +07:52:35 11.6 0.18 69 14OP394 01:18:16.5 +07:46:43 14.7 69 Positions are for J2000
Event circumstances last updated at 2021/09/16 00:59:39 UT
Marc W. Buie, Southwest Research Institute