RECON observing guide for 12052_Aretaon_20250601075910

Occultation event with (12052) Aretaon, event index number 1024
Regions able to see the event: SAmericaN

Geocentric closest approach at 2025/06/01 07:59:10 UTC

J2000 position of star is 00:50:09.3 +11:37:45
Equinox of date position of star is 00:51:29.0 +11:46:02
Star is 123 degrees from the moon. Moon is 32% illuminated.
Stellar brightness G=16.1, apparent brightess of occulting body is G=16.3
Use an exposure time of 0.60 seconds with the standard RECON-QHY system.
SNR of 3.1 per integration for unocculted signal
Expected flux drop is 55% with SNR of 1.7 for the occulted depth (per occulted point)

Apparent velocity is 30.2 km/sec on the sky relative to the star, or, 27.1 arcsec/hr.
The recommended exposure time corresponds to 18.1 km per image.
The 1-sigma error in the time of the event is 1.9 seconds.
The 1-sigma cross-track error in the shadow position is 27.5 km.
The sky-plane scale is 4010.5 km/arcsec.

Diameter estimates:
44.3 km assuming a 5% albedo, aximum of 1.5 sec for a central chord
18.1 km assuming a 30% albedo, maximum of 0.6 sec for a central chord
Cross-track diameter of 44.3 km used for deployment plan.

Star training set for 12052_Aretaon, (2025/06/01 07:59UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:32.9 +15:19:29  2.8  9.65 129
58 Psc         00:48:21.2 +12:06:43  5.5  0.84 124
PPM 116749     00:47:24.1 +12:14:45  8.4  1.11 124
PPM 116809     00:51:31.8 +11:58:04  9.3  0.20 123
PPM 116810     00:51:33.0 +11:41:05 11.0  0.08 123
12052_Aretaon  00:51:29.0 +11:46:02 16.3       123
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 12052_Aretaon, (2025/06/01 07:59UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:00  2.8  9.65 129
58 Psc         00:47:01.6 +11:58:25  5.5  0.84 124
PPM 116749     00:46:04.4 +12:06:27  8.4  1.11 124
PPM 116809     00:50:12.1 +11:49:48  9.3  0.20 123
PPM 116810     00:50:13.4 +11:32:48 11.0  0.08 123
12052_Aretaon  00:50:09.3 +11:37:45 16.3       123
Positions are for J2000


Created by recondetail.pro, 2025/02/28 08:40:13 MT