RECON observing guide for 2797_Teucer_20250606001127

Occultation event with (2797) Teucer, event index number 1032
Regions able to see the event: SAmericaN

Geocentric closest approach at 2025/06/06 00:11:27 UTC

J2000 position of star is 10:53:11.3 +30:46:34
Equinox of date position of star is 10:54:35.2 +30:38:25
Star is 50 degrees from the moon. Moon is 76% illuminated.
Stellar brightness G=15.7, apparent brightess of occulting body is G=14.2
Use an exposure time of 1.15 seconds with the standard RECON-QHY system.
SNR of 5.0 per integration for unocculted signal
Expected flux drop is 19% with SNR of 1.0 for the occulted depth (per occulted point)

Apparent velocity is 22.5 km/sec on the sky relative to the star, or, 22.9 arcsec/hr.
The recommended exposure time corresponds to 25.9 km per image.
The 1-sigma error in the time of the event is 1.4 seconds.
The 1-sigma cross-track error in the shadow position is 33.8 km.
The sky-plane scale is 3540.4 km/arcsec.

Diameter estimates:
103.8 km assuming a 5% albedo, aximum of 4.6 sec for a central chord
42.4 km assuming a 30% albedo, maximum of 1.9 sec for a central chord
Cross-track diameter of 103.8 km used for deployment plan.

Star training set for 2797_Teucer, (2025/06/06 00:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:43.4 +11:50:31  1.3 21.48  47
68Del Leo      11:15:27.4 +20:23:02  2.6 11.28  39
46 UMa         10:57:08.5 +33:22:15  6.2  2.78  51
PPM 075578     10:58:59.3 +30:30:58  8.1  0.96  49
PPM 075530     10:54:12.1 +30:14:55  9.3  0.40  49
PPM 075544     10:55:44.4 +30:20:48 10.4  0.38  49
2797_Teucer    10:54:35.2 +30:38:25 14.2        49
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 2797_Teucer, (2025/06/06 00:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 21.48  47
68Del Leo      11:14:06.7 +20:31:22  2.6 11.28  39
46 UMa         10:55:44.2 +33:30:25  6.2  2.78  51
PPM 075578     10:57:35.8 +30:39:09  8.1  0.96  49
PPM 075530     10:52:48.3 +30:23:03  9.3  0.40  49
PPM 075544     10:54:20.6 +30:28:58 10.4  0.38  49
2797_Teucer    10:53:11.3 +30:46:34 14.2        50
Positions are for J2000


Created by recondetail.pro, 2025/03/15 09:20:54 MT