RECON: TNO occultation with 97CV29

Event between 97CV29 and star GA1000:03515501 with event index number of 352149

Geocentric closest approach at 2019/04/23 10:51:13 UTC

J2000 position of star is 11:25:25.3 +10:19:54
Equinox of date position of star is 11:26:25.1 +10:13:33
Stellar brightness G=16.5, use SENSEUP=128
Star is 95 degrees from the moon. Moon is 82% illuminated.
TNO apparent brightness V=23.5

TNO is 40.3 AU from the Sun and 39.6 AU from the Earth.
The TNO is moving 16.7 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 448 seconds.
The 1-sigma cross-track error in the shadow position is 5248 km.

The TNO has an absolute magnitude Hv=7.4
Diameter=212.8 km assuming a 5% albedo -- 12.2 sec chord
Diameter=86.9 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 97CV29, (2019/04/23 10:51UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:23.9 +11:52:20  1.3 18.97 114
Denebola       11:50:02.6 +14:27:51  2.1  7.16  91
PPM 128238     11:25:59.0 +11:19:26  5.8  1.10  96
PPM 157780     11:22:50.2 +09:03:44  7.0  1.46  96
PPM 128248     11:27:13.6 +10:10:17  9.2  0.21  95
97CV29         11:26:25.4 +10:13:31 16.5        95
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 97CV29, (2019/04/23 10:51UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 18.97 114
Denebola       11:49:02.9 +14:34:17  2.1  7.16  91
PPM 128238     11:24:58.8 +11:25:49  5.8  1.10  96
PPM 157780     11:21:50.1 +09:10:06  7.0  1.46  96
PPM 128248     11:26:13.6 +10:16:40  9.2  0.21  95
97CV29         11:25:25.3 +10:19:54 16.5        95
Positions are for J2000

Event circumstances last updated at 2019/03/29 21:47:43 UT

Marc W. Buie, Southwest Research Institute

RECON