Event between (8405) Asbolus and star GA1300:02314051 with event index number of 248549
Geocentric closest approach at 2020/02/17 19:00:56 UTC
J2000 position of star is 05:04:28.6 +40:16:25
Equinox of date position of star is 05:05:45.7 +40:17:53
Stellar brightness G=15.8,
use SENSEUP=128
Star is 161 degrees from the moon.
Moon is 31% illuminated.
TNO apparent brightness V=22.9
TNO is 22.7 AU from the Sun
and 22.4 AU from the Earth.
The TNO is moving 10.3
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is
3063 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 8.8 sec chord
Diameter=37.2 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2020/02/17 19:01UT) Object RA Dec mag sep mel Aldebaran 04:37:04.7 +16:32:54 0.8 24.56 168 3Iot Aur 04:58:18.5 +33:11:46 2.7 7.26 167 8Zet Aur 05:03:53.3 +41:06:12 3.8 0.89 160 PPM 047661 05:04:51.2 +40:06:13 7.9 0.28 161 PPM 047704 05:06:53.2 +40:16:58 9.9 0.19 161 PPM 047684 05:06:04.6 +40:24:18 11.2 0.11 161 8405 05:05:52.7 +40:18:00 15.8 161 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 8405, (2020/02/17 19:01UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 24.56 168 3Iot Aur 04:56:59.6 +33:09:58 2.7 7.26 167 8Zet Aur 05:02:28.7 +41:04:33 3.8 0.89 160 PPM 047661 05:03:27.3 +40:04:35 7.9 0.28 161 PPM 047704 05:05:29.2 +40:15:24 9.9 0.19 161 PPM 047684 05:04:40.4 +40:22:43 11.2 0.11 161 8405 05:04:28.6 +40:16:25 15.8 161 Positions are for J2000
Event circumstances last updated at 2018/06/12 19:54:05 UT
Marc W. Buie, Southwest Research Institute