Event between (24835) 95SM55 and star UC4-620-009478 with event index number of 91145
Geocentric closest approach at 2017/11/27 22:29:53 UTC
J2000 position of star is 03:05:26.1 +33:54:28
Equinox of date position of star is 03:06:29.7 +33:58:23
Stellar brightness R=15.2,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=20.4
TNO is 38.1 AU from the Sun
and 37.2 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.3 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
2656 km.
The TNO has an absolute magnitude Hv=4.6
Diameter=724.5 km assuming a 5% albedo -- 29.2 sec chord
Diameter=295.8 km assuming a 30% albedo -- 11.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 24835, (2017/11/27 22:30UT) Object RA Dec mag sep mel Aldebaran 04:36:57.0 +16:32:38 0.8 26.74 79 Algol 03:09:20.5 +41:01:24 2.1 7.07 69 24 Per 03:00:10.6 +35:15:14 4.9 1.83 65 PPM 068087 03:07:04.8 +34:04:40 7.7 0.15 65 PPM 068075 03:06:21.2 +33:51:55 10.4 0.12 65 24835 03:06:32.8 +33:58:35 15.2 65 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 24835, (2017/11/27 22:30UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 26.74 79 Algol 03:08:10.1 +40:57:20 2.1 7.07 69 24 Per 02:59:03.6 +35:10:59 4.9 1.83 65 PPM 068087 03:05:58.0 +34:00:34 7.7 0.15 65 PPM 068075 03:05:14.5 +33:47:47 10.4 0.12 65 24835 03:05:26.1 +33:54:28 15.2 65 Positions are for J2000
Event circumstances last updated at 2017/01/21 18:01:50 UT
Marc W. Buie, Southwest Research Institute