RECON observing guide for 22014_99XQ96_20250428125715

Occultation event with (22014) 99XQ96, event index number 933
Regions able to see the event: Australia

Geocentric closest approach at 2025/04/28 12:57:15 UTC

J2000 position of star is 08:33:02.9 -11:13:08
Equinox of date position of star is 08:34:15.5 -11:18:24
Star is 88 degrees from the moon. Moon is 1% illuminated.
Stellar brightness G=16.8, apparent brightess of occulting body is G=15.5
Use an exposure time of 1.55 seconds with the standard RECON-QHY system.
SNR of 3.0 per integration for unocculted signal
Expected flux drop is 23% with SNR of 0.7 for the occulted depth (per occulted point)

Apparent velocity is 14.1 km/sec on the sky relative to the star, or, 15.4 arcsec/hr.
The recommended exposure time corresponds to 21.9 km per image.
The 1-sigma error in the time of the event is 2.5 seconds.
The 1-sigma cross-track error in the shadow position is 25.1 km.
The sky-plane scale is 3300.0 km/arcsec.

Diameter estimates:
54.0 km assuming a 5% albedo, aximum of 3.8 sec for a central chord
22.0 km assuming a 30% albedo, maximum of 1.6 sec for a central chord
Cross-track diameter of 54.0 km used for deployment plan.

Star training set for 22014_99XQ96, (2025/04/28 12:57UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:46:15.8 -16:45:09 -1.5 26.73  67
Alphard        09:28:49.9 -08:46:11  2.0 13.67  99
PPM 191392     08:30:04.2 -09:50:03  6.1  1.80  86
PPM 220253     08:33:41.7 -11:29:31  8.0  0.23  88
22014_99XQ96   08:34:15.5 -11:18:24 15.5        88
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 22014_99XQ96, (2025/04/28 12:57UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:45:07.9 -16:43:28 -1.5 26.73  67
Alphard        09:27:35.2 -08:39:30  2.0 13.67  99
PPM 191392     08:28:51.0 -09:44:55  6.1  1.80  86
PPM 220253     08:32:29.2 -11:24:17  8.0  0.23  88
22014_99XQ96   08:33:02.9 -11:13:08 15.5        88
Positions are for J2000


Created by recondetail.pro, 2025/03/14 10:42:34 MT