RECON observing guide for 4060_Deipylos_20250608225543

Occultation event with (4060) Deipylos, event index number 1041
Regions able to see the event: SAmericaN,SAmericaS

Geocentric closest approach at 2025/06/08 22:55:43 UTC

J2000 position of star is 09:12:34.9 +10:49:05
Equinox of date position of star is 09:13:57.4 +10:42:44
Star is 94 degrees from the moon. Moon is 95% illuminated.
Stellar brightness G=15.2, apparent brightess of occulting body is G=14.6
Use an exposure time of 0.65 seconds with the standard RECON-QHY system.
SNR of 6.0 per integration for unocculted signal
Expected flux drop is 37% with SNR of 2.2 for the occulted depth (per occulted point)

Apparent velocity is 29.9 km/sec on the sky relative to the star, or, 30.1 arcsec/hr.
The recommended exposure time corresponds to 19.4 km per image.
The 1-sigma error in the time of the event is 1.8 seconds.
The 1-sigma cross-track error in the shadow position is 9.0 km.
The sky-plane scale is 3573.3 km/arcsec.

Diameter estimates:
79.1 km assuming a 5% albedo, aximum of 2.6 sec for a central chord
32.3 km assuming a 30% albedo, maximum of 1.1 sec for a central chord
Cross-track diameter of 79.1 km used for deployment plan.

Star training set for 4060_Deipylos, (2025/06/08 22:56UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:43.4 +11:50:31  1.3 13.72  82
76Kap Cnc      09:09:07.3 +10:33:52  5.2  1.20  95
PPM 126216     09:14:18.9 +10:33:49  8.0  0.17  94
4060_Deipylos  09:13:57.4 +10:42:44 14.6        94
Positions are for equinox of date

Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.

Star training set for 4060_Deipylos, (2025/06/08 22:56UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 13.72  82
76Kap Cnc      09:07:44.8 +10:40:05  5.2  1.20  95
PPM 126216     09:12:56.5 +10:40:10  8.0  0.17  94
4060_Deipylos  09:12:34.9 +10:49:05 14.6        94
Positions are for J2000


Created by recondetail.pro, 2025/03/15 09:28:17 MT