Event between 13PW74 and star GA0860:16978659 with event index number of 1668181
Geocentric closest approach at 2020/08/24 13:11:44 UTC
J2000 position of star is 23:34:44.2 -03:24:39
Equinox of date position of star is 23:35:46.5 -03:17:57
Stellar brightness G=15.6,
use SENSEUP=128
Star is 127 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=25.6
TNO is 35.9 AU from the Sun
and 34.9 AU from the Earth.
The TNO is moving 23.1
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 59 seconds.
The 1-sigma cross-track error in the shadow position is
1385 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=209.9 km assuming a 5% albedo -- 2.6 sec chord
Diameter=85.7 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 13PW74, (2020/08/24 13:12UT) Object RA Dec mag sep mel Fomalhaut 22:58:47.2 -29:30:45 1.2 27.65 108 Markab 23:05:47.5 +15:19:00 2.5 20.04 124 PPM 207611 23:30:36.1 -04:25:12 6.3 1.72 125 PPM 207720 23:36:18.4 -03:44:22 7.6 0.46 127 PPM 207708 23:35:40.2 -03:17:30 9.8 0.03 127 13PW74 23:35:47.9 -03:17:48 15.6 127 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 13PW74, (2020/08/24 13:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:23 1.2 27.65 108 Markab 23:04:45.8 +15:12:18 2.5 20.04 124 PPM 207611 23:29:32.3 -04:32:03 6.3 1.72 125 PPM 207720 23:35:14.7 -03:51:13 7.6 0.46 127 PPM 207708 23:34:36.6 -03:24:22 9.8 0.03 127 13PW74 23:34:44.2 -03:24:39 15.6 127 Positions are for J2000
Event circumstances last updated at 2020/03/10 21:54:49 UT
Marc W. Buie, Southwest Research Institute