Event between (527328) 07TK422 and star GA1040:00280310 with event index number of 1594728
Geocentric closest approach at 2021/03/03 13:44:16 UTC
J2000 position of star is 02:56:04.3 +15:50:42
Equinox of date position of star is 02:57:14.8 +15:55:46
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 174 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=23.4
TNO is 24.0 AU from the Sun
and 24.5 AU from the Earth.
The TNO is moving 18.7
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
1551 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 4.4 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 527328, (2021/03/03 13:44UT) Object RA Dec mag sep mel Aldebaran 04:37:08.3 +16:33:01 0.8 23.97 150 Menkar 03:03:23.3 +04:10:18 2.5 11.85 170 43Sig Ari 02:52:39.9 +15:10:05 5.5 1.34 175 PPM 118645 02:55:10.2 +16:06:20 8.3 0.53 174 PPM 118661 02:56:20.2 +15:41:07 9.6 0.33 174 527328 02:57:15.0 +15:55:47 15.0 173 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 527328, (2021/03/03 13:44UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 23.97 150 Menkar 03:02:16.8 +04:05:21 2.5 11.85 170 43Sig Ari 02:51:29.6 +15:04:55 5.5 1.34 175 PPM 118645 02:53:59.5 +16:01:13 8.3 0.53 174 PPM 118661 02:55:09.6 +15:36:02 9.6 0.33 174 527328 02:56:04.3 +15:50:42 15.0 174 Positions are for J2000
Event circumstances last updated at 2021/02/06 20:39:50 UT
Marc W. Buie, Southwest Research Institute