Event between 00YB2 and star UC4-551-014940 with event index number of 179864
Geocentric closest approach at 2019/02/10 20:29:11 UTC
J2000 position of star is 05:28:25.8 +20:11:33
Equinox of date position of star is 05:29:26.9 +20:12:20
Stellar brightness R=14.6,
use SENSEUP=128
Star is 55 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=23.2
TNO is 39.0 AU from the Sun
and 38.5 AU from the Earth.
The TNO is moving 11.2
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 1042 seconds.
The 1-sigma cross-track error in the shadow position is
3872 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=217.8 km assuming a 5% albedo -- 19.5 sec chord
Diameter=88.9 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 00YB2, (2019/02/10 20:29UT) Object RA Dec mag sep mel Aldebaran 04:37:01.2 +16:32:47 0.8 12.99 42 Alnath 05:27:30.1 +28:37:19 1.6 8.43 56 PPM 094484 05:34:47.1 +20:29:10 6.0 1.26 56 PPM 094398 05:30:06.2 +20:27:21 8.3 0.28 55 PPM 094397 05:30:04.4 +20:04:08 9.4 0.18 55 PPM 094401 05:30:14.6 +20:12:05 10.5 0.16 55 00YB2 05:29:33.8 +20:12:25 14.6 55 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 00YB2, (2019/02/10 20:29UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 12.99 42 Alnath 05:26:17.5 +28:36:24 1.6 8.43 56 PPM 094484 05:33:38.8 +20:28:27 6.0 1.26 56 PPM 094398 05:28:58.0 +20:26:30 8.3 0.28 55 PPM 094397 05:28:56.4 +20:03:17 9.4 0.18 55 PPM 094401 05:29:06.5 +20:11:14 10.5 0.16 55 00YB2 05:28:25.8 +20:11:33 14.6 55 Positions are for J2000
Event circumstances last updated at 2017/03/05 17:42:59 UT
Marc W. Buie, Southwest Research Institute