Event between 99RW215 and star GA1120:00602201 with event index number of 2101047
Geocentric closest approach at 2023/12/15 17:50:26 UTC
J2000 position of star is 04:15:27.7 +22:30:48
Equinox of date position of star is 04:16:47.1 +22:34:03
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=22.8
TNO is 30.8 AU from the Sun
and 29.8 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 502 seconds.
The 1-sigma cross-track error in the shadow position is
3726 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=154.9 km assuming a 5% albedo -- 6.7 sec chord
Diameter=63.2 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 4:3E
Star training set for 99RW215, (2023/12/15 17:50UT) Object RA Dec mag sep mel Aldebaran 04:37:17.9 +16:33:20 0.8 7.70 129 44Zet Per 03:55:38.6 +31:57:10 2.8 10.50 123 PPM 093337 04:14:16.8 +22:28:22 6.1 0.61 125 PPM 093353 04:15:56.1 +22:30:38 7.7 0.23 126 PPM 093362 04:16:18.6 +22:31:19 10.5 0.14 126 99RW215 04:16:53.3 +22:34:18 16.5 126 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 99RW215, (2023/12/15 17:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 7.70 129 44Zet Per 03:54:07.9 +31:53:01 2.8 10.50 123 PPM 093337 04:12:51.3 +22:24:47 6.1 0.61 125 PPM 093353 04:14:30.6 +22:27:06 7.7 0.23 126 PPM 093362 04:14:53.0 +22:27:47 10.5 0.14 126 99RW215 04:15:27.7 +22:30:48 16.5 126 Positions are for J2000
Event circumstances last updated at 2022/03/23 00:42:42 UT
Marc W. Buie, Southwest Research Institute