Event between (470316) 07OC10 and star GA1000:19256128 with event index number of 329730
Geocentric closest approach at 2020/09/17 15:34:28 UTC
J2000 position of star is 21:52:26.5 +10:11:42
Equinox of date position of star is 21:53:27.5 +10:17:35
Stellar brightness G=16.4,
use SENSEUP=128
Star is 145 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=25.6
TNO is 36.2 AU from the Sun
and 35.4 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 62 seconds.
The 1-sigma cross-track error in the shadow position is
1324 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=602.6 km assuming a 5% albedo -- 2.7 sec chord
Diameter=246.0 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 470316, (2020/09/17 15:34UT) Object RA Dec mag sep mel Vega 18:37:38.4 +38:48:14 0.0 52.01 94 Markab 23:05:47.7 +15:19:01 2.5 18.33 155 17 Peg 21:57:57.0 +12:10:32 5.5 2.18 145 PPM 140720 21:52:08.4 +10:27:55 8.1 0.37 144 PPM 172347 21:52:25.9 +10:02:15 9.8 0.36 144 470316 21:53:27.6 +10:17:35 16.4 145 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 470316, (2020/09/17 15:34UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 52.01 94 Markab 23:04:45.8 +15:12:18 2.5 18.33 155 17 Peg 21:56:56.3 +12:04:35 5.5 2.18 145 PPM 140720 21:51:07.4 +10:22:03 8.1 0.37 144 PPM 172347 21:51:24.8 +09:56:23 9.8 0.36 144 470316 21:52:26.5 +10:11:42 16.4 145 Positions are for J2000
Event circumstances last updated at 2020/09/10 19:52:21 UT
Marc W. Buie, Southwest Research Institute