RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1040:02291385 with event index number of 2135238

Geocentric closest approach at 2023/11/07 10:44:39 UTC

J2000 position of star is 06:45:39.3 +15:36:02
Equinox of date position of star is 06:46:58.3 +15:34:30
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 57 degrees from the moon. Moon is 31% illuminated.
Apparent brightness V=22.4

[RECON map]
Object is 18.4 AU from the Sun and 17.8 AU from the Earth.
Apparent velocity is 10.5 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 94 seconds.
The 1-sigma cross-track error in the shadow position is 737 km.
The sky-plane scale is 12908.6 km/arcsec.

The object has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 6.9 sec chord
Diameter=29.3 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2023/11/07 10:44UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:27.8 +07:24:34  0.4 14.82  71
Alhena         06:39:05.4 +16:22:37  1.9  2.07  59
33 Gem         06:51:12.2 +16:10:26  5.9  1.17  56
PPM 122988     06:46:52.4 +15:27:12  8.1  0.13  57
11UQ62         06:47:01.3 +15:34:26 16.7        57
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 28.5 km RECON observability=1.0 and success probability=39.9%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	10:43:44	-40.5	Dark	Up	53.0	156.4	Up	10:35:23 - 10:52:04	1921
Victoria	10:44:12	-43.2	Dark	Up	54.1	150.6	Up	10:35:51 - 10:52:32	1864
Peachland	10:43:44	-40.6	Dark	Up	54.0	156.9	Up	10:35:24 - 10:52:05	1833
Kelowna	10:43:44	-40.3	Dark	Up	54.0	157.4	Up	10:35:23 - 10:52:04	1831
Summerland	10:43:45	-40.6	Dark	Up	54.2	156.9	Up	10:35:24 - 10:52:05	1819
Penticton	10:43:44	-40.5	Dark	Up	54.3	157.1	Up	10:35:24 - 10:52:05	1810
Oliver	10:43:46	-40.7	Dark	Up	54.6	156.9	Up	10:35:25 - 10:52:06	1783
Anarchist Mountain Observatory	10:43:46	-40.6	Dark	Up	54.8	157.1	Up	10:35:26 - 10:52:07	1764
Okanogan	10:43:50	-41.0	Dark	Up	55.4	156.4	Up	10:35:29 - 10:52:10	1722
Brewster	10:43:54	-41.3	Dark	Up	55.6	156.0	Up	10:35:34 - 10:52:15	1708
Manson/Chelan	10:43:57	-41.6	Dark	Up	55.7	155.2	Up	10:35:36 - 10:52:17	1705
Wenatchee	10:44:01	-41.9	Dark	Up	56.0	154.7	Up	10:35:41 - 10:52:22	1674
Ellensburg	10:44:05	-42.2	Dark	Up	56.4	154.1	Up	10:35:44 - 10:52:25	1650
Yakima	10:44:06	-42.3	Dark	Up	56.7	153.8	Up	10:35:46 - 10:52:27	1619
Toppenish/White Swan	10:44:06	-42.3	Dark	Up	57.0	153.9	Up	10:35:46 - 10:52:27	1596
Sleaford	10:42:14	-31.8	Dark	Up	53.5	179.4	Up	10:33:53 - 10:50:34	1589
The Dalles	10:44:16	-43.1	Dark	Up	57.4	152.1	Up	10:35:55 - 10:52:36	1563
Maupin	10:44:16	-43.2	Dark	Up	57.8	152.0	Up	10:35:56 - 10:52:37	1527
PNWRO	10:43:59	-41.5	Dark	Up	57.7	156.2	Up	10:35:38 - 10:52:19	1514
Sisters	10:44:25	-43.9	Dark	Up	58.4	150.5	Up	10:36:05 - 10:52:46	1475
Bend	10:44:25	-43.8	Dark	Up	58.7	150.8	Up	10:36:04 - 10:52:45	1446
Oregon Observatory	10:44:27	-43.9	Dark	Up	58.8	150.4	Up	10:36:06 - 10:52:47	1438
Chiloquin	10:44:36	-44.7	Dark	Up	59.8	148.7	Up	10:36:15 - 10:52:56	1347
Klamath Falls	10:44:38	-44.8	Dark	Up	60.2	148.5	Up	10:36:17 - 10:52:58	1316
Fall River/Burney	10:44:42	-44.9	Dark	Up	61.3	148.1	Up	10:36:21 - 10:53:02	1204
Cedarville	10:44:31	-43.9	Dark	Up	61.4	150.7	Up	10:36:11 - 10:52:52	1198
Greenville	10:44:43	-44.9	Dark	Up	62.3	148.1	Up	10:36:23 - 10:53:04	1111
Gimple	10:44:43	-44.8	Dark	Up	62.3	148.2	Up	10:36:23 - 10:53:04	1108
Quincy	10:44:44	-44.9	Dark	Up	62.5	147.9	Up	10:36:24 - 10:53:05	1094
Portola	10:44:43	-44.6	Dark	Up	62.8	148.6	Up	10:36:22 - 10:53:03	1065
Reno	10:44:39	-44.2	Dark	Up	63.2	149.6	Up	10:36:19 - 10:53:00	1017
Carson City	10:44:41	-44.3	Dark	Up	63.6	149.3	Up	10:36:21 - 10:53:02	985
Gardnerville	10:44:41	-44.4	Dark	Up	63.8	149.1	Up	10:36:20 - 10:53:01	963
Yerington	10:44:38	-43.9	Dark	Up	64.0	150.3	Up	10:36:17 - 10:52:58	944
Hawthorne	10:44:36	-43.7	Dark	Up	64.6	150.9	Up	10:36:16 - 10:52:57	883
Lee Vining	10:44:42	-44.2	Dark	Up	64.9	149.4	Up	10:36:22 - 10:53:03	853
Bishop	10:44:41	-43.8	Dark	Up	65.7	150.2	Up	10:36:20 - 10:53:01	772
Beatty	10:44:31	-42.6	Dark	Up	66.7	153.2	Up	10:36:10 - 10:52:51	666
Dunrhomin	10:42:52	-33.4	Dark	Up	65.3	181.2	Up	10:34:32 - 10:51:13	536
Nikitin	10:42:53	-33.5	Dark	Up	65.5	181.2	Up	10:34:33 - 10:51:14	520
CU-SBO	10:42:54	-33.5	Dark	Up	65.6	181.0	Up	10:34:34 - 10:51:15	517
Wildwood	10:44:59	-44.6	Dark	Up	68.4	145.9	Up	10:36:38 - 10:53:19	489
Laughlin/Bullhead City	10:44:23	-41.2	Dark	Up	69.0	156.6	Up	10:36:03 - 10:52:44	422
Patrick	10:44:17	-40.7	Dark	Up	69.0	158.6	Up	10:35:57 - 10:52:38	416
Idyllwild	10:44:46	-43.1	Dark	Up	69.5	149.7	Up	10:36:26 - 10:53:07	378
Lake Havasu City	10:44:25	-41.1	Dark	Up	69.7	156.5	Up	10:36:04 - 10:52:45	350
Calipatria	10:44:40	-42.3	Dark	Up	70.5	151.9	Up	10:36:20 - 10:53:01	273
Yuma	10:44:36	-41.6	Dark	Up	71.2	153.7	Up	10:36:15 - 10:52:56	196
George/Scottsdale	10:44:09	-39.3	Dark	Up	71.1	162.4	Up	10:35:49 - 10:52:30	179

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 11UQ62, (2023/11/07 10:44UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.82  71
Alhena         06:37:42.8 +16:23:57  1.9  2.07  59
33 Gem         06:49:49.8 +16:12:10  5.9  1.17  56
PPM 122988     06:45:30.5 +15:28:47  8.1  0.13  57
11UQ62         06:45:39.3 +15:36:02 16.7        57
Positions are for J2000

Event circumstances last updated at 2022/12/24 03:47:10 UT

RECON