RECON observing guide for 2797_Teucer_20250615110358

Occultation event with (2797) Teucer, event index number 1062
Regions able to see the event: Australia

Geocentric closest approach at 2025/06/15 11:03:58 UTC

J2000 position of star is 10:57:54.7 +29:38:36
Equinox of date position of star is 10:59:18.1 +29:30:24
Star is 153 degrees from the moon. Moon is 83% illuminated.
Stellar brightness G=15.3, apparent brightess of occulting body is G=14.2
Use an exposure time of 1.00 seconds with the standard RECON-QHY system.
SNR of 6.9 per integration for unocculted signal
Expected flux drop is 28% with SNR of 1.9 for the occulted depth (per occulted point)

Apparent velocity is 25.7 km/sec on the sky relative to the star, or, 25.5 arcsec/hr.
The recommended exposure time corresponds to 25.7 km per image.
The 1-sigma error in the time of the event is 1.3 seconds.
The 1-sigma cross-track error in the shadow position is 33.7 km.
The sky-plane scale is 3636.0 km/arcsec.

Diameter estimates:
103.8 km assuming a 5% albedo, aximum of 4.0 sec for a central chord
42.4 km assuming a 30% albedo, maximum of 1.6 sec for a central chord
Cross-track diameter of 103.8 km used for deployment plan.

Star training set for 2797_Teucer, (2025/06/15 11:04UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:43.5 +11:50:31  1.3 21.09 163
68Del Leo      11:15:27.5 +20:23:02  2.6  9.83 150
44 LMi         10:51:17.4 +27:50:20  6.0  2.42 155
PPM 100748     10:55:58.8 +29:29:37  7.0  0.72 154
PPM 100817     11:02:11.7 +29:04:53  8.6  0.76 152
PPM 100781     10:58:59.5 +29:23:58 11.5  0.13 153
2797_Teucer    10:59:18.1 +29:30:24 14.2       153
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, (2025/06/15 11:04UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 21.09 163
68Del Leo      11:14:06.7 +20:31:22  2.6  9.83 150
44 LMi         10:49:53.7 +27:58:27  6.0  2.42 155
PPM 100748     10:54:35.2 +29:37:47  7.0  0.72 154
PPM 100817     11:00:48.7 +29:13:07  8.6  0.76 152
PPM 100781     10:57:36.1 +29:32:10 11.5  0.13 153
2797_Teucer    10:57:54.7 +29:38:36 14.2       153
Positions are for J2000


Created by recondetail.pro, 2025/03/15 09:40:16 MT