Event between 07VJ305 and star GA1040:00189042 with event index number of 229500
Geocentric closest approach at 2019/12/09 23:40:00 UTC
J2000 position of star is 01:58:25.8 +14:11:57
Equinox of date position of star is 01:59:26.8 +14:17:25
Stellar brightness G=16.5,
use SENSEUP=128
Star is 19 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=22.5
TNO is 37.6 AU from the Sun
and 36.9 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 179 seconds.
The 1-sigma cross-track error in the shadow position is
2397 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=278.0 km assuming a 5% albedo -- 18.4 sec chord
Diameter=113.5 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 07VJ305, (2019/12/09 23:40UT) Object RA Dec mag sep mel Aldebaran 04:37:04.0 +16:32:52 0.8 37.98 19 6Bet Ari 01:55:44.7 +20:54:17 2.6 6.67 21 PPM 117850 02:00:30.1 +12:23:27 6.1 1.92 19 PPM 117825 01:58:51.1 +14:29:09 8.1 0.25 19 PPM 117841 01:59:52.8 +14:26:13 9.7 0.17 19 PPM 117839 01:59:50.6 +14:09:17 11.2 0.16 19 07VJ305 01:59:30.5 +14:17:44 16.5 19 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 07VJ305, (2019/12/09 23:40UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 37.98 19 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.67 21 PPM 117850 01:59:25.9 +12:17:41 6.1 1.92 19 PPM 117825 01:57:46.4 +14:23:21 8.1 0.25 19 PPM 117841 01:58:48.1 +14:20:26 9.7 0.17 19 PPM 117839 01:58:46.0 +14:03:30 11.2 0.16 19 07VJ305 01:58:25.8 +14:11:57 16.5 19 Positions are for J2000
Event circumstances last updated at 2018/10/25 20:38:14 UT
Marc W. Buie, Southwest Research Institute