RECON observing guide for 51365_00TA42_20250606100006

Occultation event with (51365) 00TA42, event index number 1194
Regions able to see the event: SMexico

Geocentric closest approach at 2025/06/06 10:00:06 UTC

J2000 position of star is 01:40:40.6 +10:45:32
Equinox of date position of star is 01:42:01.6 +10:53:12
Star is 174 degrees from the moon. Moon is 79% illuminated.
Stellar brightness G=15.0, apparent brightess of occulting body is G=16.6
Use an exposure time of 0.30 seconds with the standard RECON-QHY system.
SNR of 4.8 per integration for unocculted signal
Expected flux drop is 82% with SNR of 3.9 for the occulted depth (per occulted point)

Apparent velocity is 31.3 km/sec on the sky relative to the star, or, 26.4 arcsec/hr.
The recommended exposure time corresponds to 9.4 km per image.
The 1-sigma error in the time of the event is 1.1 seconds.
The 1-sigma cross-track error in the shadow position is 37.4 km.
The sky-plane scale is 4264.5 km/arcsec.

Diameter estimates:
42.9 km assuming a 5% albedo, aximum of 1.4 sec for a central chord
17.5 km assuming a 30% albedo, maximum of 0.6 sec for a central chord
Cross-track diameter of 42.9 km used for deployment plan.

Star training set for 51365_00TA42, (2025/06/06 10:00UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:23.0 +16:33:30  0.8 42.88 132
6Bet Ari       01:56:03.0 +20:55:52  2.6 10.59 167
102Pi Psc      01:38:27.0 +12:16:15  5.6  1.64 175
PPM 117596     01:43:56.7 +10:22:18  7.5  0.70 174
PPM 117546     01:40:59.5 +11:01:56 10.0  0.29 175
51365_00TA42   01:42:01.6 +10:53:12 16.6       174
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.

Star training set for 51365_00TA42, (2025/06/06 10:00UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.4 +16:30:29  0.8 42.88 132
6Bet Ari       01:54:38.6 +20:48:26  2.6 10.59 167
102Pi Psc      01:37:05.8 +12:08:31  5.6  1.64 175
PPM 117596     01:42:35.8 +10:14:40  7.5  0.70 174
PPM 117546     01:39:38.5 +10:54:14 10.0  0.29 175
51365_00TA42   01:40:40.6 +10:45:32 16.6       174
Positions are for J2000


Created by recondetail.pro, 2025/03/13 09:36:59 MT