Event between 03UP292 and star GA1220:01372384 with event index number of 161988
Geocentric closest approach at 2018/10/25 18:51:42 UTC
J2000 position of star is 05:01:22.4 +32:55:21
Equinox of date position of star is 05:02:36.0 +32:56:56
Stellar brightness G=12.5,
use SENSEUP=16
Star is 35 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=22.0
TNO is 28.7 AU from the Sun
and 28.0 AU from the Earth.
The TNO is moving 15.6
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
1098 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 13.6 sec chord
Diameter=86.5 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 2:1E
Star training set for 03UP292, (2018/10/25 18:52UT) Object RA Dec mag sep mel Aldebaran 04:37:00.2 +16:32:44 0.8 17.39 24 3Iot Aur 04:58:13.3 +33:11:39 2.7 0.95 34 PPM 069666 04:50:32.3 +32:37:10 6.0 2.56 33 PPM 069848 05:02:58.8 +31:48:14 7.8 1.15 34 PPM 069873 05:05:04.9 +33:08:17 9.8 0.55 35 PPM 069842 05:02:48.2 +32:55:56 10.8 0.05 35 03UP292 05:02:36.0 +32:56:56 12.5 35 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 03UP292, (2018/10/25 18:52UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 17.39 24 3Iot Aur 04:56:59.6 +33:09:58 2.7 0.95 34 PPM 069666 04:49:19.1 +32:35:16 6.0 2.56 33 PPM 069848 05:01:45.9 +31:46:41 7.8 1.15 34 PPM 069873 05:03:51.1 +33:06:47 9.8 0.55 35 PPM 069842 05:01:34.6 +32:54:22 10.8 0.05 35 03UP292 05:01:22.4 +32:55:21 12.5 35 Positions are for J2000
Event circumstances last updated at 2018/10/21 18:13:16 UT
Marc W. Buie, Southwest Research Institute