Event between (15820) 94TB and star GA1220:00761362 with event index number of 361852
Geocentric closest approach at 2020/10/14 17:27:04 UTC
J2000 position of star is 03:53:48.5 +32:39:20
Equinox of date position of star is 03:55:06.9 +32:42:55
Stellar brightness G=14.2,
use SENSEUP=64
Star is 107 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=24.4
TNO is 27.0 AU from the Sun
and 26.3 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 224 seconds.
The 1-sigma cross-track error in the shadow position is
1130 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=208.9 km assuming a 5% albedo -- 3.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is 3:2E
Star training set for 15820, (2020/10/14 17:27UT) Object RA Dec mag sep mel Aldebaran 04:37:07.0 +16:32:58 0.8 18.74 103 44Zet Per 03:55:26.6 +31:56:37 2.8 0.77 108 42 Per 03:50:51.8 +33:09:13 5.2 1.00 108 PPM 068862 03:53:58.7 +32:28:09 7.6 0.35 108 PPM 068895 03:55:38.5 +33:00:13 9.1 0.31 107 15820 03:55:07.6 +32:42:57 14.2 107 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 15820, (2020/10/14 17:27UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.74 103 44Zet Per 03:54:07.9 +31:53:01 2.8 0.77 108 42 Per 03:49:32.6 +33:05:29 5.2 1.00 108 PPM 068862 03:52:39.8 +32:24:31 7.6 0.35 108 PPM 068895 03:54:19.2 +32:56:37 9.1 0.31 107 15820 03:53:48.5 +32:39:20 14.2 107 Positions are for J2000
Event circumstances last updated at 2020/07/31 20:58:17 UT
Marc W. Buie, Southwest Research Institute