Event between (59358) 99CL158 and star GA0980:03736610 with event index number of 2691254
Geocentric closest approach at 2029/02/09 19:42:55 UTC
J2000 position of star is 11:56:35.6 +09:29:40
Equinox of date position of star is 11:57:50.5 +09:21:32
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 104 degrees from the moon.
Moon is 13% illuminated.
Apparent brightness V=22.9
Object is 39.2 AU from the Sun
and 38.4 AU from the Earth.
Apparent velocity is 20.2
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 159 seconds.
The 1-sigma cross-track error in the shadow position is
3138 km.
The object has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 12.4 sec chord
Diameter=102.6 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 59358, (2029/02/09 19:42UT) Object RA Dec mag sep mel Regulus 10:09:55.3 +11:49:26 1.3 26.69 130 Denebola 11:50:32.8 +14:24:34 2.1 5.40 108 6 Vir 11:56:32.7 +08:16:55 5.6 1.12 104 PPM 158378 11:59:53.4 +09:23:24 8.4 0.45 104 PPM 158354 11:58:08.9 +09:08:05 11.5 0.20 104 59358 11:58:05.2 +09:19:56 16.6 104 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 59358, (2029/02/09 19:42UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 26.69 130 Denebola 11:49:02.8 +14:34:17 2.1 5.40 108 6 Vir 11:55:03.1 +08:26:39 5.6 1.12 104 PPM 158378 11:58:23.8 +09:33:08 8.4 0.45 104 PPM 158354 11:56:39.3 +09:17:49 11.5 0.20 104 59358 11:56:35.6 +09:29:40 16.6 104 Positions are for J2000
Event circumstances last updated at 2024/05/05 03:42:31 UT
Marc W. Buie, Southwest Research Institute