Occultation event with (16070) Charops, event index number 3151
Regions able to see the event: Europe
Geocentric closest approach at 2026/01/16 21:14:18 UTC
J2000 position of star is 03:39:09.4 +34:19:48
Equinox of date position of star is 03:40:49.0 +34:24:48
Star is 145 degrees from the moon. Moon is 4% illuminated.
Stellar brightness G=16.3, apparent brightess of occulting body is G=15.4
Use an exposure time of 1.65 seconds with the standard RECON-QHY system.
SNR of 4.7 per integration for unocculted signal
Expected flux drop is 30% with SNR of 1.4 for the occulted depth (per occulted point)
Apparent velocity is 9.4 km/sec on the sky relative to the star, or, 9.4 arcsec/hr.
Position angle of asteroid motion is 18.9 degrees
The recommended exposure time corresponds to 15.5 km per image.
The 1-sigma error in the time of the event is 2.6 seconds.
The 1-sigma cross-track error in the shadow position is 5.9 km.
The sky-plane scale is 3585.7 km/arcsec.
Diameter estimates:
66.4 km assuming a 5% albedo, maximum of 7.1 sec for a central chord
27.1 km assuming a 30% albedo, maximum of 2.9 sec for a central chord
Cross-track diameter of 63.2 km used for deployment plan.
Star training set for 16070_Charops, (2026/01/16 21:14UT) Object RA Dec mag sep mel Aldebaran 04:37:25.1 +16:33:34 0.8 21.90 153 44Zet Per 03:55:46.6 +31:57:32 2.8 3.98 148 40 Per 03:44:02.1 +34:02:47 4.8 0.76 146 PPM 068667 03:41:46.6 +34:11:58 7.1 0.29 145 PPM 068656 03:41:07.8 +34:29:19 11.2 0.10 145 16070_Charops 03:40:49.0 +34:24:48 15.4 145 Positions are for equinox of date
Star training set for 16070_Charops, (2026/01/16 21:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.4 +16:30:29 0.8 21.90 153 44Zet Per 03:54:07.9 +31:53:01 2.8 3.98 148 40 Per 03:42:22.6 +33:57:54 4.8 0.76 146 PPM 068667 03:40:07.1 +34:07:01 7.1 0.29 145 PPM 068656 03:39:28.1 +34:24:20 11.2 0.10 145 16070_Charops 03:39:09.4 +34:19:48 15.4 145 Positions are for J2000