Occultation event with (6545) Leitus, event index number 3246
Regions able to see the event: Australia
Geocentric closest approach at 2026/02/14 17:45:14 UTC
J2000 position of star is 13:12:33.1 -22:03:04
Equinox of date position of star is 13:13:57.9 -22:11:21
Star is 87 degrees from the moon. Moon is 8% illuminated.
Stellar brightness G=14.8, apparent brightess of occulting body is G=15.7
Use an exposure time of 0.75 seconds with the standard RECON-QHY system.
SNR of 10.0 per integration for unocculted signal
Expected flux drop is 68% with SNR of 6.8 for the occulted depth (per occulted point)
Apparent velocity is 5.8 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
Position angle of asteroid motion is 49.5 degrees
The recommended exposure time corresponds to 4.3 km per image.
The 1-sigma error in the time of the event is 2.2 seconds.
The 1-sigma cross-track error in the shadow position is 33.1 km.
The sky-plane scale is 3458.7 km/arcsec.
Diameter estimates:
55.0 km assuming a 5% albedo, maximum of 9.5 sec for a central chord
22.4 km assuming a 30% albedo, maximum of 3.9 sec for a central chord
Cross-track diameter of 51.0 km used for deployment plan.
Star training set for 6545_Leitus, (2026/02/14 17:45UT) Object RA Dec mag sep mel Spica 13:26:34.4 -11:17:49 1.0 11.30 89 9Bet Crv 12:35:45.9 -23:32:27 2.6 8.90 95 45Psi Hya 13:10:28.0 -23:15:25 4.9 1.34 88 PPM 261380 13:15:26.4 -22:30:02 8.2 0.46 87 PPM 261334 13:13:34.0 -22:06:43 10.0 0.12 88 6545_Leitus 13:13:57.9 -22:11:21 15.7 87 Positions are for equinox of date
Star training set for 6545_Leitus, (2026/02/14 17:45UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 11.30 89 9Bet Crv 12:34:23.2 -23:23:50 2.6 8.90 95 45Psi Hya 13:09:03.2 -23:07:06 4.9 1.34 88 PPM 261380 13:14:01.5 -22:21:46 8.2 0.46 87 PPM 261334 13:12:09.2 -21:58:26 10.0 0.12 88 6545_Leitus 13:12:33.1 -22:03:04 15.7 87 Positions are for J2000