Occultation event with (3063) Makhaon, event index number 740
Regions able to see the event: SAfrica
Geocentric closest approach at 2025/02/28 17:59:33 UTC
J2000 position of star is 09:58:29.7 +00:48:02
Equinox of date position of star is 09:59:47.3 +00:40:47
Star is 158 degrees from the moon. Moon is 1% illuminated.
Stellar brightness G=13.5, apparent brightess of occulting body is G=13.1
Use an exposure time of 0.20 seconds with the standard RECON-QHY system.
Expected flux drop is 59% with SNR of 8.9 per integration
Apparent velocity is 16.2 km/sec on the sky relative to the star, or, 20.3 arcsec/hr.
The recommended exposure time corresponds to 3.2 km per image.
The 1-sigma error in the time of the event is 2.0 seconds.
The 1-sigma cross-track error in the shadow position is 18.6 km.
The sky-plane scale is 2873.4 km/arcsec.
Diameter estimates:
116.4 km assuming a 5% albedo, aximum of 7.2 sec for a central chord
47.5 km assuming a 30% albedo, maximum of 2.9 sec for a central chord
Cross-track diameter of 116.4 km used for deployment plan.
Star training set for 3063_Makhaon, (2025/02/28 18:00UT) Object RA Dec mag sep mel Regulus 10:09:42.6 +11:50:36 1.3 11.43 160 15Alp Sex 10:09:13.5 -00:29:45 4.4 2.64 160 PPM 156313 09:55:52.0 +00:49:27 8.0 0.99 157 PPM 156386 10:00:16.9 +00:54:36 9.6 0.26 158 3063_Makhaon 09:59:47.3 +00:40:47 13.1 158 Positions are for equinox of date
Star training set for 3063_Makhaon, (2025/02/28 18:00UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 11.43 160 15Alp Sex 10:07:56.2 -00:22:19 4.4 2.64 160 PPM 156313 09:54:34.3 +00:56:38 8.0 0.99 157 PPM 156386 09:58:59.3 +01:01:52 9.6 0.26 158 3063_Makhaon 09:58:29.7 +00:48:02 13.1 158 Positions are for J2000