RECON: TNO occultation with 523749

Event between (523749) 14UR224 and star GA1080:01221356 with event index number of 2743586

Geocentric closest approach at 2029/03/26 03:58:49 UTC

J2000 position of star is 05:36:31.0 +19:22:15
Equinox of date position of star is 05:37:56.0 +19:23:02
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 47 degrees from the moon. Moon is 79% illuminated.
Apparent brightness V=21.7

[RECON map]
Object is 39.3 AU from the Sun and 39.4 AU from the Earth.
Apparent velocity is 10.4 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 311 seconds.
The 1-sigma cross-track error in the shadow position is 1480 km.
The sky-plane scale is 28605.9 km/arcsec.

The object has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 44.7 sec chord
Diameter=186.6 km assuming a 30% albedo -- 18.3 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 523749, (2029/03/26 03:59UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:45.3 +07:24:36  0.4 12.79  44
Alnath         05:28:08.5 +28:37:46  1.6  9.53  49
120 Tau        05:35:14.5 +18:33:30  5.4  1.09  47
PPM 121141     05:37:02.9 +19:46:10  8.2  0.47  47
PPM 121165     05:37:54.1 +19:11:20  8.8  0.21  47
523749         05:38:14.6 +19:23:12 16.8        46
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 2.9 sigma about the mid-time.
The median site spacing is 33.7 km RECON observability=1.0 and success probability=0.0%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	04:04:44	-23.2	Dark	Up	36.4	253.9	Up	03:49:44 - 04:19:44	6682
Kamloops	04:03:44	-16.1	AT	Up	45.4	240.5	Up	03:48:44 - 04:18:44	6404
Kelowna	04:03:51	-17.0	AT	Up	45.3	242.2	Up	03:48:51 - 04:18:51	6333
Peachland	04:03:51	-16.9	AT	Up	45.5	242.0	Up	03:48:51 - 04:18:51	6320
Summerland	04:03:52	-17.0	AT	Up	45.5	242.2	Up	03:48:52 - 04:18:52	6307
Penticton	04:03:53	-17.1	AT	Up	45.5	242.4	Up	03:48:53 - 04:18:53	6301
Oliver	04:03:55	-17.2	AT	Up	45.7	242.7	Up	03:48:55 - 04:18:55	6267
Anarchist Mountain Observatory	04:03:57	-17.4	AT	Up	45.6	243.1	Up	03:48:57 - 04:18:57	6252
Okanogan	04:03:58	-17.6	AT	Up	46.0	243.4	Up	03:48:58 - 04:18:58	6188
Victoria	04:03:36	-15.1	AT	Up	48.2	239.0	Up	03:48:36 - 04:18:36	6176
Brewster	04:03:58	-17.6	AT	Up	46.3	243.5	Up	03:48:58 - 04:18:58	6160
Manson/Chelan	04:03:56	-17.4	AT	Up	46.6	243.3	Up	03:48:56 - 04:18:56	6136
Wenatchee	04:03:57	-17.5	AT	Up	46.9	243.6	Up	03:48:57 - 04:18:57	6089
Ellensburg	04:03:57	-17.5	AT	Up	47.2	243.7	Up	03:48:57 - 04:18:57	6046
Yakima	04:03:59	-17.7	AT	Up	47.4	244.1	Up	03:48:59 - 04:18:59	6006
Toppenish/White Swan	04:04:01	-17.9	AT	Up	47.4	244.5	Up	03:49:01 - 04:19:01	5986
PNWRO	04:04:10	-19.0	Dark	Up	46.6	246.5	Up	03:49:10 - 04:19:10	5962
The Dalles	04:03:59	-17.7	AT	Up	48.2	244.4	Up	03:48:59 - 04:18:59	5902
Maupin	04:04:01	-17.9	AT	Up	48.3	245.0	Up	03:49:01 - 04:19:01	5861
Sisters	04:04:01	-17.9	AT	Up	49.0	245.4	Up	03:49:01 - 04:19:01	5769
Bend	04:04:03	-18.2	Dark	Up	48.9	245.9	Up	03:49:03 - 04:19:03	5747
Oregon Observatory	04:04:03	-18.2	Dark	Up	49.1	246.0	Up	03:49:03 - 04:19:03	5728
Chiloquin	04:04:05	-18.4	Dark	Up	49.9	246.9	Up	03:49:05 - 04:19:05	5591
Dunrhomin	04:05:48	-30.8	Dark	Up	38.1	263.6	Up	03:50:48 - 04:20:48	5559
Klamath Falls	04:04:05	-18.6	Dark	Up	50.0	247.4	Up	03:49:05 - 04:19:05	5556
Nikitin	04:05:50	-30.9	Dark	Up	38.1	263.8	Up	03:50:50 - 04:20:50	5540
CU-SBO	04:05:49	-30.9	Dark	Up	38.2	263.8	Up	03:50:49 - 04:20:49	5532
Cedarville	04:04:19	-20.0	Dark	Up	49.1	249.8	Up	03:49:19 - 04:19:19	5498
Fall River/Burney	04:04:11	-19.3	Dark	Up	50.1	249.1	Up	03:49:11 - 04:19:11	5438
Gimple	04:04:19	-20.0	Dark	Up	50.0	250.7	Up	03:49:19 - 04:19:19	5348
Greenville	04:04:19	-19.9	Dark	Up	50.1	250.6	Up	03:49:19 - 04:19:19	5348
Quincy	04:04:18	-20.0	Dark	Up	50.2	250.8	Up	03:49:18 - 04:19:18	5327
Portola	04:04:23	-20.4	Dark	Up	49.8	251.4	Up	03:49:23 - 04:19:23	5318
Reno	04:04:28	-21.0	Dark	Up	49.4	252.4	Up	03:49:28 - 04:19:28	5296
Carson City	04:04:30	-21.2	Dark	Up	49.5	252.8	Up	03:49:30 - 04:19:30	5259
Yerington	04:04:34	-21.7	Dark	Up	49.1	253.6	Up	03:49:34 - 04:19:34	5245
Gardnerville	04:04:30	-21.3	Dark	Up	49.6	253.1	Up	03:49:30 - 04:19:30	5234
Hawthorne	04:04:38	-22.3	Dark	Up	48.8	254.6	Up	03:49:38 - 04:19:38	5201
Lee Vining	04:04:38	-22.1	Dark	Up	49.3	254.8	Up	03:49:38 - 04:19:38	5137
Bishop	04:04:44	-22.9	Dark	Up	48.9	256.1	Up	03:49:44 - 04:19:44	5082
Beatty	04:04:56	-24.3	Dark	Up	47.7	257.9	Up	03:49:56 - 04:19:56	5051
Patrick	04:05:20	-27.1	Dark	Up	45.6	261.7	Up	03:50:20 - 04:20:20	4929
Laughlin/Bullhead City	04:05:15	-26.7	Dark	Up	46.2	261.5	Up	03:50:15 - 04:20:15	4894
Lake Havasu City	04:05:18	-27.2	Dark	Up	46.1	262.3	Up	03:50:18 - 04:20:18	4826
George/Scottsdale	04:05:37	-29.4	Dark	Up	44.1	264.8	Up	03:50:37 - 04:20:37	4778
Wildwood	04:04:51	-24.0	Dark	Up	49.7	259.7	Up	03:49:51 - 04:19:51	4733
Idyllwild	04:05:06	-25.6	Dark	Up	48.2	261.5	Up	03:50:06 - 04:20:06	4716
Calipatria	04:05:16	-26.8	Dark	Up	47.3	263.0	Up	03:50:16 - 04:20:16	4665
Yuma	04:05:22	-27.7	Dark	Up	46.5	264.0	Up	03:50:22 - 04:20:22	4630

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.

Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.

Star training set for 523749, (2029/03/26 03:59UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 12.79  44
Alnath         05:26:17.6 +28:36:23  1.6  9.53  49
120 Tau        05:33:31.6 +18:32:25  5.4  1.09  47
PPM 121141     05:35:19.0 +19:45:09  8.2  0.47  47
PPM 121165     05:36:10.7 +19:10:21  8.8  0.21  47
523749         05:36:31.0 +19:22:15 16.8        47
Positions are for J2000

Event circumstances last updated at 2023/12/24 23:36:53 UT

RECON