RECON observing guide for 2456_Palamedes_20250622002645

Occultation event with (2456) Palamedes, event index number 1084
Regions able to see the event: SAmericaN

Geocentric closest approach at 2025/06/22 00:26:45 UTC

J2000 position of star is 10:09:55.0 +07:53:13
Equinox of date position of star is 10:11:15.5 +07:45:40
Star is 108 degrees from the moon. Moon is 16% illuminated.
Stellar brightness G=14.7, apparent brightess of occulting body is G=15.0
Use an exposure time of 0.70 seconds with the standard RECON-QHY system.
SNR of 10.0 per integration for unocculted signal
Expected flux drop is 57% with SNR of 5.7 for the occulted depth (per occulted point)

Apparent velocity is 26.7 km/sec on the sky relative to the star, or, 23.8 arcsec/hr.
The recommended exposure time corresponds to 18.7 km per image.
The 1-sigma error in the time of the event is 1.5 seconds.
The 1-sigma cross-track error in the shadow position is 30.4 km.
The sky-plane scale is 4042.3 km/arcsec.

Diameter estimates:
84.3 km assuming a 5% albedo, aximum of 3.2 sec for a central chord
34.4 km assuming a 30% albedo, maximum of 1.3 sec for a central chord
Cross-track diameter of 84.3 km used for deployment plan.

Star training set for 2456_Palamedes, (2025/06/22 00:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:43.6 +11:50:30  1.3  4.10 106
31 Leo         10:09:15.2 +09:52:18  6.0  2.17 107
PPM 156513     10:07:39.1 +07:49:09  8.4  0.90 107
PPM 156587     10:12:14.9 +07:34:05  8.6  0.31 108
2456_Palamedes 10:11:15.5 +07:45:40 15.0       108
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 2456_Palamedes, (2025/06/22 00:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3  4.10 106
31 Leo         10:07:54.1 +09:59:49  6.0  2.17 107
PPM 156513     10:06:18.6 +07:56:39  8.4  0.90 107
PPM 156587     10:10:54.4 +07:41:40  8.6  0.31 108
2456_Palamedes 10:09:55.0 +07:53:13 15.0       108
Positions are for J2000


Created by recondetail.pro, 2025/03/15 10:01:02 MT