Event between 10TV191 and star GA1020:00610618 with event index number of 2105090
Geocentric closest approach at 2022/02/26 22:32:05 UTC
J2000 position of star is 04:57:18.6 +12:57:55
Equinox of date position of star is 04:58:32.6 +12:59:53
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=22.9
TNO is 27.9 AU from the Sun
and 27.7 AU from the Earth.
The TNO is moving 4.6
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 239 seconds.
The 1-sigma cross-track error in the shadow position is
2563 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 30.0 sec chord
Diameter=56.4 km assuming a 30% albedo -- 12.3 sec chord
Dynamical classification is CENTAURR
Star training set for 10TV191, (2022/02/26 22:32UT) Object RA Dec mag sep mel Aldebaran 04:37:11.7 +16:33:07 0.8 6.27 141 Bellatrix 05:26:19.2 +06:22:05 1.6 9.52 146 9Omi2Ori 04:57:37.1 +13:32:51 5.5 0.59 144 PPM 120403 04:57:07.2 +13:39:53 7.7 0.75 144 PPM 120406 04:57:21.9 +12:57:35 9.9 0.29 144 PPM 120438 04:59:21.2 +13:04:01 10.6 0.21 144 10TV191 04:58:33.3 +12:59:54 16.0 144 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 10TV191, (2022/02/26 22:32UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 6.27 141 Bellatrix 05:25:07.8 +06:20:58 1.6 9.52 146 9Omi2Ori 04:56:22.1 +13:30:51 5.5 0.59 144 PPM 120403 04:55:52.2 +13:37:51 7.7 0.75 144 PPM 120406 04:56:07.2 +12:55:34 9.9 0.29 144 PPM 120438 04:58:06.5 +13:02:04 10.6 0.21 144 10TV191 04:57:18.6 +12:57:55 16.0 144 Positions are for J2000
Event circumstances last updated at 2021/12/08 01:43:38 UT
Marc W. Buie, Southwest Research Institute