Occultation event with (6002) Eetion, event index number 1575
Regions able to see the event: SAfrica
Geocentric closest approach at 2025/11/23 22:30:42 UTC
J2000 position of star is 03:06:10.3 +10:19:31
Equinox of date position of star is 03:07:34.5 +10:25:27
Star is 124 degrees from the moon. Moon is 12% illuminated.
Stellar brightness G=15.7, apparent brightess of occulting body is G=15.1
Use an exposure time of 0.60 seconds with the standard RECON-QHY system.
SNR of 3.8 per integration for unocculted signal
Expected flux drop is 35% with SNR of 1.3 for the occulted depth (per occulted point)
Apparent velocity is 15.8 km/sec on the sky relative to the star, or, 20.2 arcsec/hr.
Position angle of asteroid motion is 64.4 degrees
The recommended exposure time corresponds to 9.5 km per image.
The 1-sigma error in the time of the event is 1.0 seconds.
The 1-sigma cross-track error in the shadow position is 30.9 km.
The sky-plane scale is 2819.5 km/arcsec.
Diameter estimates:
46.1 km assuming a 5% albedo, aximum of 2.9 sec for a central chord
18.8 km assuming a 30% albedo, maximum of 1.2 sec for a central chord
Cross-track diameter of 40.4 km used for deployment plan.
Star training set for 6002_Eetion, (2025/11/23 22:31UT) Object RA Dec mag sep mel Aldebaran 04:37:24.6 +16:33:33 0.8 22.66 146 Menkar 03:03:38.2 +04:11:23 2.5 6.31 120 PPM 118883 03:12:03.9 +11:58:08 5.8 1.90 126 PPM 118797 03:06:28.0 +10:53:21 8.3 0.54 124 PPM 118802 03:06:41.7 +10:24:26 10.1 0.22 124 6002_Eetion 03:07:34.5 +10:25:27 15.1 124 Positions are for equinox of date
Star training set for 6002_Eetion, (2025/11/23 22:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.4 +16:30:29 0.8 22.66 146 Menkar 03:02:16.8 +04:05:21 2.5 6.31 120 PPM 118883 03:10:38.8 +11:52:20 5.8 1.90 126 PPM 118797 03:05:03.5 +10:47:23 8.3 0.54 124 PPM 118802 03:05:17.5 +10:18:29 10.1 0.22 124 6002_Eetion 03:06:10.3 +10:19:31 15.1 124 Positions are for J2000