RECON: TNO occultation with 2060

Event between (2060) Chiron and star GA0940:00016686 with event index number of 212484

Geocentric closest approach at 2019/09/08 23:03:19 UTC

J2000 position of star is 00:10:12.7 +04:37:05
Equinox of date position of star is 00:11:09.6 +04:43:14
Stellar brightness G=16.5, use SENSEUP=128
Star is 76 degrees from the moon. Moon is 77% illuminated.
TNO apparent brightness V=18.5

TNO is 18.8 AU from the Sun and 17.8 AU from the Earth.
The TNO is moving 22.8 km/sec on the sky relative to the star, or, 6.3 arcsec/hr.
The 1-sigma error in the time of the event is 30 seconds.
The 1-sigma cross-track error in the shadow position is 655 km.

The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 18.3 sec chord
Diameter=170.2 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 2060, (2019/09/08 23:03UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:44.0 -29:31:03  1.2 38.41  49
Algenib        00:14:15.1 +15:17:34  2.8 10.59  81
32 Psc         00:03:30.2 +08:35:41  5.8  4.32  75
PPM 143227     00:12:06.3 +04:14:33  8.3  0.53  75
PPM 143213     00:11:22.2 +04:50:11  9.7  0.11  76
2060           00:11:13.4 +04:43:39 16.5        76
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 2060, (2019/09/08 23:03UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 38.41  49
Algenib        00:13:14.2 +15:11:01  2.8 10.59  81
32 Psc         00:02:29.6 +08:29:07  5.8  4.32  75
PPM 143227     00:11:05.7 +04:07:59  8.3  0.53  75
PPM 143213     00:10:21.5 +04:43:37  9.7  0.11  76
2060           00:10:12.7 +04:37:05 16.5        75
Positions are for J2000

Event circumstances last updated at 2018/06/12 07:43:10 UT

Marc W. Buie, Southwest Research Institute

RECON