RECON observing guide for 11429_Demodokus_20250506235516

Occultation event with (11429) Demodokus, event index number 950
Regions able to see the event: SAmericaN

Geocentric closest approach at 2025/05/06 23:55:16 UTC

J2000 position of star is 07:57:20.6 +35:12:51
Equinox of date position of star is 07:58:59.3 +35:08:41
Star is 51 degrees from the moon. Moon is 73% illuminated.
Stellar brightness G=16.4, apparent brightess of occulting body is G=16.2
Use an exposure time of 0.90 seconds with the standard RECON-QHY system.
SNR of 3.0 per integration for unocculted signal
Expected flux drop is 44% with SNR of 1.3 for the occulted depth (per occulted point)

Apparent velocity is 25.1 km/sec on the sky relative to the star, or, 23.3 arcsec/hr.
The recommended exposure time corresponds to 22.6 km per image.
The 1-sigma error in the time of the event is 1.7 seconds.
The 1-sigma cross-track error in the shadow position is 26.1 km.
The sky-plane scale is 3875.6 km/arcsec.

Diameter estimates:
47.6 km assuming a 5% albedo, aximum of 1.9 sec for a central chord
19.5 km assuming a 30% albedo, maximum of 0.8 sec for a central chord
Cross-track diameter of 47.6 km used for deployment plan.

Star training set for 11429_Demodokus, (2025/05/06 23:55UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:51.8 +27:57:46  1.1  7.63  51
PPM 073264     07:57:19.6 +35:20:38  6.1  0.39  52
PPM 073281     07:58:22.0 +34:47:44  9.5  0.37  51
PPM 073299     07:59:38.3 +35:11:39 11.7  0.14  51
11429_Demodoku 07:58:59.3 +35:08:41 16.2        51
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 11429_Demodokus, (2025/05/06 23:55UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.8 +28:01:33  1.1  7.63  51
PPM 073264     07:55:40.7 +35:24:45  6.1  0.39  52
PPM 073281     07:56:43.5 +34:51:53  9.5  0.37  51
PPM 073299     07:57:59.6 +35:15:51 11.7  0.14  51
11429_Demodoku 07:57:20.6 +35:12:51 16.2        51
Positions are for J2000


Created by recondetail.pro, 2025/03/09 08:45:57 MT