RECON: TNO occultation with 03UA414

Event between 03UA414 and star GA1000:00136987 with event index number of 1008485

Geocentric closest approach at 2020/11/10 00:05:06 UTC

J2000 position of star is 01:32:02.7 +11:50:17
Equinox of date position of star is 01:33:09.0 +11:56:41
Stellar brightness G=12.9, use SENSEUP=32
Star is 130 degrees from the moon. Moon is 35% illuminated.
TNO apparent brightness V=26.9

TNO is 49.0 AU from the Sun and 48.1 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 122 seconds.
The 1-sigma cross-track error in the shadow position is 2074 km.

The TNO has an absolute magnitude Hv=10.0
Diameter=599.8 km assuming a 5% albedo -- 2.6 sec chord
Diameter=244.9 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 9:2EEEEEEE
 
 
 
 
 
 
 
 

Star training set for 03UA414, (2020/11/10 00:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.2 +16:32:58  0.8 44.72  87
6Bet Ari       01:55:47.8 +20:54:33  2.6 10.48 121
102Pi Psc      01:38:12.5 +12:14:51  5.6  1.27 129
PPM 117376     01:30:31.5 +12:29:46  8.2  0.85 130
PPM 117427     01:33:08.7 +11:56:45  9.3  0.00 130
03UA414        01:33:09.1 +11:56:42 12.9       130
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 03UA414, (2020/11/10 00:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 44.72  87
6Bet Ari       01:54:38.5 +20:48:27  2.6 10.48 121
102Pi Psc      01:37:05.8 +12:08:31  5.6  1.27 129
PPM 117376     01:29:25.0 +12:23:20  8.2  0.85 130
PPM 117427     01:32:02.2 +11:50:21  9.3  0.00 130
03UA414        01:32:02.7 +11:50:17 12.9       130
Positions are for J2000

Event circumstances last updated at 2020/10/26 20:22:30 UT

Marc W. Buie, Southwest Research Institute

RECON