Event between (523899) 97CV29 and star GA0960:03758534 with event index number of 2594000
Geocentric closest approach at 2023/02/16 00:51:26 UTC
J2000 position of star is 11:52:45.5 +07:58:15
Equinox of date position of star is 11:53:56.4 +07:50:34
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 93 degrees from the moon.
Moon is 25% illuminated.
Apparent brightness V=23.5
Object is 40.3 AU from the Sun
and 39.5 AU from the Earth.
Apparent velocity is 21.7
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 449 seconds.
The 1-sigma cross-track error in the shadow position is
5728 km.
The object has an absolute magnitude Hv=7.4
Diameter=208.9 km assuming a 5% albedo -- 9.3 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 523899, (2023/02/16 00:51UT) Object RA Dec mag sep mel Regulus 10:09:36.1 +11:51:12 1.3 26.00 118 Denebola 11:50:14.3 +14:26:34 2.1 6.66 97 6 Vir 11:56:14.3 +08:18:55 5.6 0.74 92 PPM 158248 11:51:02.8 +07:22:44 8.3 0.85 93 PPM 158275 11:52:48.0 +07:41:41 9.9 0.32 93 523899 11:53:56.7 +07:50:32 12.7 92 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 523899, (2023/02/16 00:51UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 26.00 118 Denebola 11:49:02.8 +14:34:17 2.1 6.66 97 6 Vir 11:55:03.1 +08:26:39 5.6 0.74 92 PPM 158248 11:49:51.5 +07:30:27 8.3 0.85 93 PPM 158275 11:51:36.7 +07:49:24 9.9 0.32 93 523899 11:52:45.5 +07:58:15 12.7 93 Positions are for J2000
Event circumstances last updated at 2023/01/09 03:33:05 UT
Marc W. Buie, Southwest Research Institute