Event between 17FO161 and star GA0940:03558219 with event index number of 1577369
Geocentric closest approach at 2020/03/05 18:24:07 UTC
J2000 position of star is 11:02:48.5 +05:37:49
Equinox of date position of star is 11:03:49.1 +05:31:31
Stellar brightness G=14.5,
use SENSEUP=128
Star is 54 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=23.2
TNO is 78.3 AU from the Sun
and 77.3 AU from the Earth.
The TNO is moving 28.5
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 217 seconds.
The 1-sigma cross-track error in the shadow position is
4575 km.
The TNO has an absolute magnitude Hv=4.3
Diameter=831.8 km assuming a 5% albedo -- 29.1 sec chord
Diameter=339.6 km assuming a 30% albedo -- 11.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 17FO161, (2020/03/05 18:24UT) Object RA Dec mag sep mel Regulus 10:09:26.7 +11:52:04 1.3 14.86 39 Denebola 11:50:05.3 +14:27:33 2.1 14.46 61 59 Leo 11:01:47.5 +05:59:33 5.1 0.70 53 PPM 157429 11:02:10.9 +05:34:19 8.4 0.42 53 PPM 157444 11:03:16.8 +05:34:26 9.7 0.15 53 17FO161 11:03:51.2 +05:31:17 14.5 54 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 17FO161, (2020/03/05 18:24UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 14.86 39 Denebola 11:49:02.9 +14:34:17 2.1 14.46 61 59 Leo 11:00:44.8 +06:06:05 5.1 0.70 53 PPM 157429 11:01:08.2 +05:40:51 8.4 0.42 53 PPM 157444 11:02:14.1 +05:40:58 9.7 0.15 53 17FO161 11:02:48.5 +05:37:49 14.5 53 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:32:20 UT
Marc W. Buie, Southwest Research Institute