RECON observing guide for 11395_Iphinous_20250506132730

Occultation event with (11395) Iphinous, event index number 949
Regions able to see the event: Australia

Geocentric closest approach at 2025/05/06 13:27:30 UTC

J2000 position of star is 08:44:22.6 -05:29:14
Equinox of date position of star is 08:45:38.0 -05:34:49
Star is 34 degrees from the moon. Moon is 70% illuminated.
Stellar brightness G=16.3, apparent brightess of occulting body is G=15.8
Use an exposure time of 0.85 seconds with the standard RECON-QHY system.
SNR of 3.2 per integration for unocculted signal
Expected flux drop is 39% with SNR of 1.3 for the occulted depth (per occulted point)

Apparent velocity is 17.3 km/sec on the sky relative to the star, or, 15.6 arcsec/hr.
The recommended exposure time corresponds to 14.7 km per image.
The 1-sigma error in the time of the event is 3.0 seconds.
The 1-sigma cross-track error in the shadow position is 22.4 km.
The sky-plane scale is 3974.1 km/arcsec.

Diameter estimates:
61.7 km assuming a 5% albedo, aximum of 3.6 sec for a central chord
25.2 km assuming a 30% albedo, maximum of 1.5 sec for a central chord
Cross-track diameter of 61.7 km used for deployment plan.

Star training set for 11395_Iphinous, (2025/05/06 13:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:43.1 +11:50:32  1.3 27.22   9
Alphard        09:28:50.0 -08:46:11  2.0 11.18  27
PPM 191714     08:49:19.9 -06:39:14  6.4  1.41  33
PPM 191648     08:45:02.4 -06:07:16  8.3  0.56  34
PPM 191659     08:45:47.7 -05:23:48  9.0  0.19  34
11395_Iphinous 08:45:38.0 -05:34:49 15.8        33
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 11395_Iphinous, (2025/05/06 13:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 27.22   9
Alphard        09:27:35.2 -08:39:30  2.0 11.18  27
PPM 191714     08:48:04.9 -06:33:33  6.4  1.41  33
PPM 191648     08:43:47.2 -06:01:42  8.3  0.56  34
PPM 191659     08:44:32.1 -05:18:13  9.0  0.19  34
11395_Iphinous 08:44:22.6 -05:29:14 15.8        34
Positions are for J2000


Created by recondetail.pro, 2025/03/14 10:59:25 MT