Event between (29981) 99TD10 and star GA1060:02495575 with event index number of 171168
Geocentric closest approach at 2019/01/01 19:16:54 UTC
J2000 position of star is 06:55:54.3 +16:41:59
Equinox of date position of star is 06:57:00.0 +16:40:27
Stellar brightness G=13.6,
use SENSEUP=64
Star is 130 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=23.5
TNO is 30.3 AU from the Sun
and 29.4 AU from the Earth.
The TNO is moving 25.6
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 359 seconds.
The 1-sigma cross-track error in the shadow position is
2376 km.
The TNO has an absolute magnitude Hv=8.7
Diameter=109.7 km assuming a 5% albedo -- 4.3 sec chord
Diameter=44.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 29981, (2019/01/01 19:17UT) Object RA Dec mag sep mel Pollux 07:46:28.6 +27:58:44 1.1 16.06 119 Alhena 06:38:48.6 +16:22:53 1.9 4.37 134 33 Gem 06:50:55.4 +16:10:47 5.9 1.54 131 PPM 123245 06:55:45.2 +15:48:45 7.6 0.91 130 PPM 123251 06:55:55.7 +16:46:32 9.7 0.28 130 29981 06:57:00.1 +16:40:27 13.6 129 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 29981, (2019/01/01 19:17UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 16.06 119 Alhena 06:37:42.8 +16:23:57 1.9 4.37 134 33 Gem 06:49:49.8 +16:12:10 5.9 1.54 131 PPM 123245 06:54:39.8 +15:50:16 7.6 0.91 130 PPM 123251 06:54:49.8 +16:48:03 9.7 0.28 130 29981 06:55:54.3 +16:41:59 13.6 129 Positions are for J2000
Event circumstances last updated at 2018/12/28 19:22:45 UT
Marc W. Buie, Southwest Research Institute