Event between (55636) 02TX300 and star GA1280:00423505 with event index number of 1219256
Geocentric closest approach at 2022/08/02 15:39:07 UTC
J2000 position of star is 01:49:52.2 +38:05:30
Equinox of date position of star is 01:51:10.4 +38:12:00
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=20.1
TNO is 43.0 AU from the Sun
and 43.0 AU from the Earth.
The TNO is moving 13.5
km/sec on the sky relative to the star, or,
1.6 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
1670 km.
The TNO has an absolute magnitude Hv=3.6
Diameter=1164.2 km assuming a 5% albedo -- 86.2 sec chord
Diameter=475.3 km assuming a 30% albedo -- 35.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 55636, (2022/08/02 15:39UT) Object RA Dec mag sep mel Aldebaran 04:37:13.2 +16:33:11 0.8 42.24 117 57Gam1And 02:05:17.7 +42:26:13 2.3 5.01 132 53Tau And 01:41:55.4 +40:41:26 4.8 3.07 136 PPM 066665 01:51:50.6 +38:24:50 7.7 0.24 137 PPM 066668 01:52:03.7 +38:04:24 9.1 0.21 137 55636 01:51:12.6 +38:12:11 13.4 137 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 55636, (2022/08/02 15:39UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 42.24 117 57Gam1And 02:03:54.0 +42:19:46 2.3 5.01 132 53Tau And 01:40:34.9 +40:34:37 4.8 3.07 136 PPM 066665 01:50:30.0 +38:18:09 7.7 0.24 137 PPM 066668 01:50:43.3 +37:57:44 9.1 0.21 137 55636 01:49:52.2 +38:05:30 13.4 137 Positions are for J2000
Event circumstances last updated at 2021/12/18 01:47:58 UT
Marc W. Buie, Southwest Research Institute