RECON observing guide for 3708_Socus_20250626033328

Occultation event with (3708) Socus, event index number 1096
Regions able to see the event: SAfrica

Geocentric closest approach at 2025/06/26 03:33:28 UTC

J2000 position of star is 02:47:58.4 +27:56:24
Equinox of date position of star is 02:49:28.9 +28:02:42
Star is 56 degrees from the moon. Moon is 1% illuminated.
Stellar brightness G=16.2, apparent brightess of occulting body is G=14.6
Use an exposure time of 0.85 seconds with the standard RECON-QHY system.
SNR of 3.1 per integration for unocculted signal
Expected flux drop is 19% with SNR of 0.6 for the occulted depth (per occulted point)

Apparent velocity is 34.4 km/sec on the sky relative to the star, or, 32.7 arcsec/hr.
The recommended exposure time corresponds to 29.3 km per image.
The 1-sigma error in the time of the event is 1.1 seconds.
The 1-sigma cross-track error in the shadow position is 16.4 km.
The sky-plane scale is 3784.8 km/arcsec.

Diameter estimates:
83.2 km assuming a 5% albedo, aximum of 2.4 sec for a central chord
34.0 km assuming a 30% albedo, maximum of 1.0 sec for a central chord
Cross-track diameter of 83.2 km used for deployment plan.

Star training set for 3708_Socus, (2025/06/26 03:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:23.2 +16:33:30  0.8 27.39  36
Hamal          02:08:37.0 +23:34:54  2.0 10.22  66
35 Ari         02:44:57.3 +27:48:51  4.7  1.03  57
PPM 091941     02:46:00.4 +28:07:16  7.9  0.77  57
PPM 091971     02:48:42.6 +28:03:22  9.7  0.17  56
3708_Socus     02:49:28.9 +28:02:42 14.6        56
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 3708_Socus, (2025/06/26 03:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.4 +16:30:29  0.8 27.39  36
Hamal          02:07:10.8 +23:27:41  2.0 10.22  66
35 Ari         02:43:27.1 +27:42:25  4.7  1.03  57
PPM 091941     02:44:30.0 +28:00:52  7.9  0.77  57
PPM 091971     02:47:12.1 +27:57:02  9.7  0.17  56
3708_Socus     02:47:58.4 +27:56:24 14.6        56
Positions are for J2000


Created by recondetail.pro, 2025/02/28 10:11:06 MT