Event between 13RP157 and star GA0940:00202086 with event index number of 2713347
Geocentric closest approach at 2023/02/14 11:41:24 UTC
J2000 position of star is 02:22:16.5 +04:58:03
Equinox of date position of star is 02:23:25.1 +05:03:58
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 41% illuminated.
TNO apparent brightness V=23.5
TNO is 37.1 AU from the Sun
and 37.5 AU from the Earth.
The TNO is moving 15.9
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 596 seconds.
The 1-sigma cross-track error in the shadow position is
5544 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=181.1 km assuming a 5% albedo -- 11.4 sec chord
Diameter=74.0 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 13RP157, (2023/02/14 11:41UT) Object RA Dec mag sep mel Aldebaran 04:37:15.0 +16:33:14 0.8 34.72 171 68Omi Cet 02:20:31.0 -02:52:25 2.0 7.98 141 PPM 145462 02:19:13.6 +01:51:57 5.6 3.38 144 PPM 145567 02:26:03.2 +05:07:42 8.5 0.64 148 PPM 145534 02:23:57.7 +05:03:41 8.8 0.12 147 13RP157 02:23:29.1 +05:04:19 15.3 148 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 13RP157, (2023/02/14 11:41UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 34.72 171 68Omi Cet 02:19:20.8 -02:58:45 2.0 7.98 141 PPM 145462 02:18:02.0 +01:45:36 5.6 3.38 144 PPM 145567 02:24:50.4 +05:01:29 8.5 0.64 148 PPM 145534 02:22:45.1 +04:57:25 8.8 0.12 147 13RP157 02:22:16.5 +04:58:03 15.3 147 Positions are for J2000
Event circumstances last updated at 2021/11/02 01:07:28 UT
Marc W. Buie, Southwest Research Institute