Event between 20DD5 and star GA0920:03591519 with event index number of 2414991
Geocentric closest approach at 2024/02/07 01:12:22 UTC
J2000 position of star is 11:38:48.2 +03:08:01
Equinox of date position of star is 11:39:56.7 +03:00:38
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 104 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=22.8
TNO is 18.1 AU from the Sun
and 17.3 AU from the Earth.
The TNO is moving 15.7
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 164 seconds.
The 1-sigma cross-track error in the shadow position is
1597 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.3 km assuming a 5% albedo -- 3.7 sec chord
Diameter=23.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 20DD5, (2024/02/07 01:18UT) Object RA Dec mag sep mel Regulus 10:09:39.2 +11:50:55 1.3 24.07 128 Denebola 11:50:17.3 +14:26:14 2.1 11.71 107 89 Leo 11:35:36.0 +02:55:34 6.2 1.11 105 PPM 158073 11:40:42.3 +02:42:48 8.4 0.33 104 PPM 158077 11:40:58.1 +02:54:00 11.3 0.25 104 20DD5 11:40:02.5 +03:00:00 14.1 104 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 20DD5, (2024/02/07 01:18UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 24.07 128 Denebola 11:49:02.8 +14:34:17 2.1 11.71 107 89 Leo 11:34:21.7 +03:03:34 6.2 1.11 105 PPM 158073 11:39:28.1 +02:50:49 8.4 0.33 104 PPM 158077 11:39:43.9 +03:02:01 11.3 0.25 104 20DD5 11:38:48.2 +03:08:01 14.1 104 Positions are for J2000
Event circumstances last updated at 2022/03/25 00:31:52 UT
Marc W. Buie, Southwest Research Institute