Event between (470443) 07XV50 and star GA1220:01472873 with event index number of 1001988
Geocentric closest approach at 2020/11/11 15:32:58 UTC
J2000 position of star is 05:08:29.2 +33:12:35
Equinox of date position of star is 05:09:50.1 +33:14:06
Stellar brightness G=16.6,
use SENSEUP=128
Star is 99 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=26.8
TNO is 47.0 AU from the Sun
and 46.1 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 230 seconds.
The 1-sigma cross-track error in the shadow position is
2993 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=794.4 km assuming a 5% albedo -- 2.7 sec chord
Diameter=324.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 470443, (2020/11/11 15:33UT) Object RA Dec mag sep mel Aldebaran 04:37:07.2 +16:32:58 0.8 18.24 110 3Iot Aur 04:58:21.3 +33:11:50 2.7 2.41 102 14 Aur 05:16:46.0 +32:42:35 5.2 1.54 98 PPM 070028 05:13:31.4 +32:55:08 7.9 0.83 99 PPM 069970 05:10:30.4 +33:16:36 9.0 0.14 99 470443 05:09:51.2 +33:14:07 16.6 99 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 470443, (2020/11/11 15:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.24 110 3Iot Aur 04:56:59.6 +33:09:58 2.7 2.41 102 14 Aur 05:15:24.3 +32:41:15 5.2 1.54 98 PPM 070028 05:12:09.6 +32:53:42 7.9 0.83 99 PPM 069970 05:09:08.4 +33:15:05 9.0 0.14 99 470443 05:08:29.2 +33:12:35 16.6 99 Positions are for J2000
Event circumstances last updated at 2020/07/30 22:47:25 UT
Marc W. Buie, Southwest Research Institute