RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA1420:01447260 with event index number of 2643513

Geocentric closest approach at 2028/11/23 04:40:49 UTC

J2000 position of star is 02:12:02.3 +53:32:35
Equinox of date position of star is 02:13:39.6 +53:39:16
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 87 degrees from the moon. Moon is 42% illuminated.
Apparent brightness V=20.2

[RECON map]
Object is 12.3 AU from the Sun and 11.5 AU from the Earth.
Apparent velocity is 19.8 km/sec on the sky relative to the star, or, 8.6 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is 1970 km.
The sky-plane scale is 8331.4 km/arcsec.

The object has an absolute magnitude Hv=9.2
Diameter=80.5 km assuming a 5% albedo -- 4.4 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2028/11/23 04:41UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:25.1 +45:23:05  1.3 51.32  58
37Del Cas      01:27:43.8 +60:23:04  2.7  9.17  85
4 Per          02:04:14.9 +54:37:33  5.0  1.71  86
PPM 027210     02:12:35.7 +53:20:59  8.0  0.39  87
PPM 027235     02:14:02.6 +53:46:41  8.9  0.10  87
567122         02:13:59.9 +53:40:39 16.3        87
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 5.0 sigma about the mid-time.
The median site spacing is 30.0 km RECON observability=1.0 and success probability=19.9%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	04:41:57	-42.8	Dark	Up	77.3	69.1	Up	04:32:15 - 04:51:38	3061
Victoria	04:42:13	-41.7	Dark	Up	74.7	62.2	Up	04:32:31 - 04:51:54	3052
Peachland	04:41:59	-43.5	Dark	Up	77.3	65.1	Up	04:32:17 - 04:51:40	2958
Kelowna	04:41:58	-43.6	Dark	Up	77.5	65.4	Up	04:32:16 - 04:51:39	2952
Summerland	04:41:59	-43.6	Dark	Up	77.3	64.5	Up	04:32:18 - 04:51:41	2942
Penticton	04:41:59	-43.7	Dark	Up	77.3	64.2	Up	04:32:18 - 04:51:41	2931
Oliver	04:42:01	-43.8	Dark	Up	77.2	62.8	Up	04:32:19 - 04:51:42	2903
Anarchist Mountain Observatory	04:42:01	-44.0	Dark	Up	77.2	62.0	Up	04:32:19 - 04:51:42	2879
Okanogan	04:42:04	-44.1	Dark	Up	76.8	59.7	Up	04:32:22 - 04:51:45	2839
Manson/Chelan	04:42:07	-43.9	Dark	Up	76.2	58.3	Up	04:32:26 - 04:51:49	2830
Brewster	04:42:05	-44.1	Dark	Up	76.5	58.8	Up	04:32:24 - 04:51:47	2828
Wenatchee	04:42:09	-44.0	Dark	Up	75.9	56.8	Up	04:32:28 - 04:51:51	2801
Ellensburg	04:42:12	-44.0	Dark	Up	75.5	55.6	Up	04:32:30 - 04:51:53	2780
Yakima	04:42:13	-44.1	Dark	Up	75.3	54.4	Up	04:32:32 - 04:51:55	2749
Toppenish/White Swan	04:42:13	-44.3	Dark	Up	75.3	53.6	Up	04:32:32 - 04:51:55	2723
The Dalles	04:42:18	-44.0	Dark	Up	74.4	51.9	Up	04:32:37 - 04:52:00	2704
Maupin	04:42:20	-44.2	Dark	Up	74.2	50.7	Up	04:32:38 - 04:52:01	2666
Sisters	04:42:25	-44.1	Dark	Up	73.3	48.8	Up	04:32:43 - 04:52:06	2624
PNWRO	04:42:11	-45.4	Dark	Up	75.8	51.1	Up	04:32:29 - 04:51:52	2613
Bend	04:42:25	-44.4	Dark	Up	73.3	48.0	Up	04:32:43 - 04:52:06	2591
Oregon Observatory	04:42:25	-44.3	Dark	Up	73.1	47.7	Up	04:32:44 - 04:52:07	2584
Sleaford	04:41:13	-49.7	Dark	Up	86.1	65.6	Up	04:31:32 - 04:50:55	2546
Chiloquin	04:42:32	-44.4	Dark	Up	72.0	45.0	Up	04:32:50 - 04:52:13	2505
Klamath Falls	04:42:33	-44.5	Dark	Up	71.8	44.2	Up	04:32:52 - 04:52:15	2473
Fall River/Burney	04:42:36	-45.1	Dark	Up	71.1	41.4	Up	04:32:55 - 04:52:18	2358
Cedarville	04:42:31	-45.8	Dark	Up	72.1	41.1	Up	04:32:50 - 04:52:13	2325
Greenville	04:42:38	-45.6	Dark	Up	70.7	39.2	Up	04:32:57 - 04:52:20	2260
Gimple	04:42:38	-45.7	Dark	Up	70.7	39.1	Up	04:32:57 - 04:52:20	2255
Quincy	04:42:39	-45.6	Dark	Up	70.5	38.9	Up	04:32:57 - 04:52:20	2244
Portola	04:42:38	-46.0	Dark	Up	70.7	38.1	Up	04:32:56 - 04:52:19	2205
Reno	04:42:37	-46.6	Dark	Up	70.7	37.0	Up	04:32:56 - 04:52:19	2145
Carson City	04:42:38	-46.7	Dark	Up	70.5	36.3	Up	04:32:57 - 04:52:20	2115
Gardnerville	04:42:39	-46.8	Dark	Up	70.3	35.9	Up	04:32:58 - 04:52:21	2093
Yerington	04:42:37	-47.2	Dark	Up	70.6	35.3	Up	04:32:56 - 04:52:19	2062
Hawthorne	04:42:37	-47.7	Dark	Up	70.4	33.9	Up	04:32:56 - 04:52:19	1993
Lee Vining	04:42:41	-47.4	Dark	Up	69.8	33.6	Up	04:32:59 - 04:52:22	1977
Bishop	04:42:40	-48.1	Dark	Up	69.6	31.9	Up	04:32:59 - 04:52:22	1885
Beatty	04:42:37	-49.5	Dark	Up	69.8	29.2	Up	04:32:55 - 04:52:18	1750
Wildwood	04:42:52	-48.5	Dark	Up	66.7	28.0	Up	04:33:10 - 04:52:33	1635
Idyllwild	04:42:47	-50.1	Dark	Up	67.1	25.4	Up	04:33:05 - 04:52:28	1488
Laughlin/Bullhead City	04:42:35	-51.6	Dark	Up	69.1	24.2	Up	04:32:54 - 04:52:17	1478
Patrick	04:42:32	-52.1	Dark	Up	69.5	23.5	Up	04:32:50 - 04:52:13	1457
Dunrhomin	04:41:47	-56.8	Dark	Up	76.3	12.7	Up	04:32:05 - 04:51:28	1425
Nikitin	04:41:47	-56.8	Dark	Up	76.1	12.6	Up	04:32:06 - 04:51:29	1409
Lake Havasu City	04:42:36	-51.9	Dark	Up	68.5	23.1	Up	04:32:55 - 04:52:18	1407
CU-SBO	04:41:48	-56.8	Dark	Up	76.0	12.7	Up	04:32:06 - 04:51:29	1407
Calipatria	04:42:45	-51.2	Dark	Up	66.9	23.3	Up	04:33:03 - 04:52:26	1366
Yuma	04:42:43	-52.0	Dark	Up	66.8	21.8	Up	04:33:02 - 04:52:25	1277
George/Scottsdale	04:42:30	-54.0	Dark	Up	68.5	19.0	Up	04:32:49 - 04:52:12	1198

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 567122, (2028/11/23 04:41UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 51.32  58
37Del Cas      01:25:49.9 +60:14:06  2.7  9.17  85
4 Per          02:02:18.2 +54:29:15  5.0  1.71  86
PPM 027210     02:10:38.7 +53:12:52  8.0  0.39  87
PPM 027235     02:12:04.9 +53:38:36  8.9  0.10  87
567122         02:12:02.3 +53:32:35 16.3        87
Positions are for J2000

Event circumstances last updated at 2023/12/03 04:34:37 UT

RECON