Event between 07LF38 and star GA1020:04437667 with event index number of 129248
Geocentric closest approach at 2018/07/02 03:38:29 UTC
J2000 position of star is 17:14:35.6 +13:29:37
Equinox of date position of star is 17:15:26.5 +13:28:25
Stellar brightness G=16.4,
use SENSEUP=128
Star is 73 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.1
TNO is 53.1 AU from the Sun
and 52.3 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 787 seconds.
The 1-sigma cross-track error in the shadow position is
5130 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 17.4 sec chord
Diameter=166.3 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 07LF38, (2018/07/02 03:38UT) Object RA Dec mag sep mel Vega 18:37:33.9 +38:48:06 0.0 31.16 69 Rasalhague 17:35:47.6 +12:32:52 2.1 5.04 68 PPM 133084 17:11:37.3 +12:26:43 6.5 1.39 73 PPM 133213 17:18:15.2 +13:17:27 8.2 0.71 72 PPM 133200 17:17:30.6 +13:14:47 9.9 0.55 72 PPM 133159 17:15:26.0 +13:42:03 10.7 0.23 73 07LF38 17:15:26.7 +13:28:25 16.4 72 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 07LF38, (2018/07/02 03:38UT) Object RA Dec mag sep mel Vega 18:36:56.6 +38:47:06 0.0 31.16 69 Rasalhague 17:34:56.2 +12:33:32 2.1 5.04 68 PPM 133084 17:10:45.8 +12:28:01 6.5 1.39 73 PPM 133213 17:17:24.1 +13:18:35 8.2 0.71 72 PPM 133200 17:16:39.5 +13:15:56 9.9 0.55 72 PPM 133159 17:14:35.1 +13:43:16 10.7 0.23 73 07LF38 17:14:35.6 +13:29:37 16.4 73 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:12:04 UT
Marc W. Buie, Southwest Research Institute