Event between 02PQ152 and star GA1100:00221128 with event index number of 179993
Geocentric closest approach at 2019/02/15 11:30:13 UTC
J2000 position of star is 01:59:58.3 +21:37:17
Equinox of date position of star is 02:01:02.2 +21:42:49
Stellar brightness G=11.7,
use SENSEUP=8
Star is 54 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=23.1
TNO is 23.9 AU from the Sun
and 24.2 AU from the Earth.
The TNO is moving 17.1
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 213 seconds.
The 1-sigma cross-track error in the shadow position is
2013 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=90.0 km assuming a 5% albedo -- 5.3 sec chord
Diameter=36.7 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 02PQ152, (2019/02/15 11:30UT) Object RA Dec mag sep mel Aldebaran 04:37:01.2 +16:32:46 0.8 37.11 19 6Bet Ari 01:55:42.0 +20:54:03 2.6 1.49 55 12Kap Ari 02:07:38.4 +22:44:19 5.1 1.84 52 PPM 091237 01:59:00.2 +21:27:41 8.4 0.54 55 PPM 091295 02:02:48.0 +21:59:36 9.5 0.50 54 PPM 091266 02:00:29.3 +21:35:23 10.4 0.18 54 02PQ152 02:01:02.2 +21:42:49 11.7 54 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 02PQ152, (2019/02/15 11:30UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 37.11 19 6Bet Ari 01:54:38.5 +20:48:27 2.6 1.49 55 12Kap Ari 02:06:33.9 +22:38:53 5.1 1.84 52 PPM 091237 01:57:56.4 +21:22:07 8.4 0.54 55 PPM 091295 02:01:43.9 +21:54:06 9.5 0.50 54 PPM 091266 01:59:25.4 +21:29:51 10.4 0.18 54 02PQ152 01:59:58.3 +21:37:17 11.7 54 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:09:45 UT
Marc W. Buie, Southwest Research Institute