RECON: TNO occultation with 02PQ152

Event between 02PQ152 and star UC4-567-004268 with event index number of 222337

Geocentric closest approach at 2019/11/29 15:07:33 UTC

J2000 position of star is 02:13:38.7 +23:22:52
Equinox of date position of star is 02:14:44.7 +23:28:17
Stellar brightness R=13.5, use SENSEUP=32
Star is 114 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=23.0

TNO is 24.1 AU from the Sun and 23.2 AU from the Earth.
The TNO is moving 20.5 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 236 seconds.
The 1-sigma cross-track error in the shadow position is 3254 km.

The TNO has an absolute magnitude Hv=9.1
Diameter=90.0 km assuming a 5% albedo -- 4.4 sec chord
Diameter=36.7 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 02PQ152, (2019/11/29 15:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.9 +16:32:52  0.8 34.04 145
Hamal          02:08:18.0 +23:33:20  2.0  1.49 113
21 Ari         02:16:50.9 +25:08:04  5.6  1.73 115
PPM 091422     02:12:16.7 +23:18:35  8.5  0.60 114
PPM 091461     02:15:08.8 +23:47:23  9.5  0.33 114
PPM 091451     02:14:15.0 +23:19:18 10.5  0.19 114
02PQ152        02:14:46.3 +23:28:25 13.5       115
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, (2019/11/29 15:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 34.04 145
Hamal          02:07:10.7 +23:27:42  2.0  1.49 113
21 Ari         02:15:42.6 +25:02:33  5.6  1.73 115
PPM 091422     02:11:09.2 +23:13:00  8.5  0.60 114
PPM 091461     02:14:01.1 +23:41:51  9.5  0.33 114
PPM 091451     02:13:07.5 +23:13:45 10.5  0.19 114
02PQ152        02:13:38.7 +23:22:52 13.5       114
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:55:59 UT

Marc W. Buie, Southwest Research Institute

RECON