Occultation event with (3063) Makhaon, event index number 837
Regions able to see the event: SAmericaN
Geocentric closest approach at 2025/03/20 23:08:27 UTC
J2000 position of star is 09:49:17.4 +01:35:17
Equinox of date position of star is 09:50:35.4 +01:28:11
Star is 103 degrees from the moon. Moon is 65% illuminated.
Stellar brightness G=16.4, apparent brightess of occulting body is G=13.4
Use an exposure time of 2.00 seconds with the standard RECON-QHY system.
Expected flux drop is 94% with SNR of 3.1 per integration
Apparent velocity is 12.3 km/sec on the sky relative to the star, or, 15.0 arcsec/hr.
The recommended exposure time corresponds to 24.5 km per image.
The 1-sigma error in the time of the event is 2.7 seconds.
The 1-sigma cross-track error in the shadow position is 20.2 km.
The sky-plane scale is 2949.9 km/arcsec.
Diameter estimates:
116.4 km assuming a 5% albedo, aximum of 9.5 sec for a central chord
47.5 km assuming a 30% albedo, maximum of 3.9 sec for a central chord
Cross-track diameter of 116.4 km used for deployment plan.
Star training set for 3063_Makhaon, (2025/03/20 23:08UT) Object RA Dec mag sep mel Regulus 10:09:42.7 +11:50:35 1.3 11.41 104 4 Sex 09:51:48.7 +04:13:28 6.2 2.77 104 PPM 156241 09:51:49.0 +01:42:30 8.5 0.39 103 PPM 156232 09:51:02.4 +01:42:26 9.5 0.26 103 3063_Makhaon 09:50:35.4 +01:28:11 13.4 103 Positions are for equinox of date
Star training set for 3063_Makhaon, (2025/03/20 23:08UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 11.41 104 4 Sex 09:50:29.8 +04:20:36 6.2 2.77 104 PPM 156241 09:50:30.9 +01:49:38 8.5 0.39 103 PPM 156232 09:49:44.3 +01:49:33 9.5 0.26 103 3063_Makhaon 09:49:17.4 +01:35:17 13.4 103 Positions are for J2000