Occultation event with (5023) Agapenor, event index number 939
Regions able to see the event: Australia
Geocentric closest approach at 2025/05/01 13:50:03 UTC
J2000 position of star is 08:45:17.6 +15:19:45
Equinox of date position of star is 08:46:42.4 +15:14:09
Star is 37 degrees from the moon. Moon is 20% illuminated.
Stellar brightness G=13.3, apparent brightess of occulting body is G=16.1
Use an exposure time of 0.14 seconds with the standard RECON-QHY system.
SNR of 9.9 per integration for unocculted signal
Expected flux drop is 93% with SNR of 9.2 for the occulted depth (per occulted point)
Apparent velocity is 13.0 km/sec on the sky relative to the star, or, 12.5 arcsec/hr.
The recommended exposure time corresponds to 1.8 km per image.
The 1-sigma error in the time of the event is 2.8 seconds.
The 1-sigma cross-track error in the shadow position is 25.6 km.
The sky-plane scale is 3729.0 km/arcsec.
Diameter estimates:
49.0 km assuming a 5% albedo, aximum of 3.8 sec for a central chord
20.0 km assuming a 30% albedo, maximum of 1.5 sec for a central chord
Cross-track diameter of 49.0 km used for deployment plan.
Star training set for 5023_Agapenor, (2025/05/01 13:50UT) Object RA Dec mag sep mel Pollux 07:46:51.7 +27:57:46 1.1 18.82 19 54 Cnc 08:52:25.9 +15:15:18 6.4 1.38 38 PPM 125700 08:46:44.3 +14:57:11 8.1 0.28 37 PPM 125710 08:47:19.0 +15:06:08 9.4 0.20 37 PPM 125691 08:46:33.4 +15:23:04 10.9 0.15 36 5023_Agapenor 08:46:42.4 +15:14:09 16.1 37 Positions are for equinox of date
Star training set for 5023_Agapenor, (2025/05/01 13:50UT) Object RA Dec mag sep mel Pollux 07:45:17.8 +28:01:33 1.1 18.82 19 54 Cnc 08:51:01.3 +15:21:04 6.4 1.38 38 PPM 125700 08:45:19.7 +15:02:48 8.1 0.28 37 PPM 125710 08:45:54.3 +15:11:45 9.4 0.20 37 PPM 125691 08:45:08.5 +15:28:40 10.9 0.15 36 5023_Agapenor 08:45:17.6 +15:19:45 16.1 37 Positions are for J2000