Occultation event with (16070) Charops, event index number 4640
Regions able to see the event: Europe
Geocentric closest approach at 2026/11/11 02:49:54 UTC
J2000 position of star is 06:35:52.2 +32:50:10
Equinox of date position of star is 06:37:37.6 +32:48:44
Star is 151 degrees from the moon. Moon is 3% illuminated.
Stellar brightness G=13.4, apparent brightess of occulting body is G=15.4
Use an exposure time of 0.15 seconds with the standard RECON-QHY system.
SNR of 9.6 per integration for unocculted signal
Expected flux drop is 87% with SNR of 8.3 for the occulted depth (per occulted point)
Apparent velocity is 8.8 km/sec on the sky relative to the star, or, 8.7 arcsec/hr.
Position angle of asteroid motion is 98.1 degrees
The recommended exposure time corresponds to 1.3 km per image.
The 1-sigma error in the time of the event is 1.4 seconds.
The 1-sigma cross-track error in the shadow position is 23.8 km.
The sky-plane scale is 3645.2 km/arcsec.
Diameter estimates:
66.4 km assuming a 5% albedo, maximum of 7.5 sec for a central chord
27.1 km assuming a 30% albedo, maximum of 3.1 sec for a central chord
Cross-track diameter of 63.2 km used for deployment plan.
Star training set for 16070_Charops, (2026/11/11 02:50UT) Object RA Dec mag sep mel Pollux 07:46:57.4 +27:57:33 1.1 15.70 136 34Bet Aur 06:01:30.0 +44:56:50 1.9 14.00 154 PPM 071742 06:34:12.3 +32:26:00 6.0 0.81 152 PPM 071825 06:37:22.9 +32:33:12 7.9 0.26 151 PPM 071842 06:38:14.6 +32:52:37 9.9 0.14 151 16070_Charops 06:37:37.6 +32:48:44 15.4 151 Positions are for equinox of date
Star training set for 16070_Charops, (2026/11/11 02:50UT) Object RA Dec mag sep mel Pollux 07:45:17.7 +28:01:33 1.1 15.70 136 34Bet Aur 05:59:31.6 +44:56:51 1.9 14.00 154 PPM 071742 06:32:27.1 +32:27:18 6.0 0.81 152 PPM 071825 06:35:37.7 +32:34:37 7.9 0.26 151 PPM 071842 06:36:29.1 +32:54:04 9.9 0.14 151 16070_Charops 06:35:52.2 +32:50:10 15.4 151 Positions are for J2000