RECON: TNO occultation with 119473

Event between (119473) 01UO18 and star GA1160:01537015 with event index number of 2367886

Geocentric closest approach at 2028/11/20 11:23:36 UTC

J2000 position of star is 05:44:12.6 +26:15:27
Equinox of date position of star is 05:45:43.0 +26:15:59
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon. Moon is 18% illuminated.
Apparent brightness V=22.7

[RECON map]
Object is 28.3 AU from the Sun and 27.4 AU from the Earth.
Apparent velocity is 20.4 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 434 seconds.
The 1-sigma cross-track error in the shadow position is 1227 km.
The sky-plane scale is 19888.9 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 6.9 sec chord
Diameter=58.2 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 119473, (2028/11/20 11:24UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:34.9 +16:33:55  0.8 18.62 141
Alnath         05:28:07.2 +28:37:45  1.6  4.62 153
125 Tau        05:41:31.7 +25:54:38  5.2  1.07 157
PPM 094789     05:46:43.5 +26:21:09  7.7  0.18 158
119473         05:46:00.4 +26:16:05 16.4       158
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 2.1 sigma about the mid-time.
The median site spacing is 34.3 km RECON observability=1.0 and success probability=22.3%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	11:21:40	-28.9	Dark	Down	51.3	243.1	Up	11:06:40 - 11:36:40	2889
Kamloops	11:22:18	-38.0	Dark	Down	59.4	226.2	Up	11:07:18 - 11:37:18	2511
Kelowna	11:22:14	-37.6	Dark	Down	59.5	228.5	Up	11:07:14 - 11:37:14	2445
Peachland	11:22:15	-37.8	Dark	Down	59.8	228.2	Up	11:07:15 - 11:37:15	2430
Summerland	11:22:14	-37.8	Dark	Down	59.8	228.5	Up	11:07:14 - 11:37:14	2416
Penticton	11:22:14	-37.8	Dark	Down	59.8	228.8	Up	11:07:14 - 11:37:14	2411
Oliver	11:22:13	-37.9	Dark	Down	60.0	229.2	Up	11:07:13 - 11:37:13	2377
Anarchist Mountain Observatory	11:22:12	-37.8	Dark	Down	60.1	229.7	Up	11:07:12 - 11:37:12	2363
Okanogan	11:22:12	-38.1	Dark	Down	60.6	230.3	Up	11:07:12 - 11:37:12	2296
Brewster	11:22:12	-38.3	Dark	Down	60.9	230.3	Up	11:07:12 - 11:37:12	2266
Victoria	11:22:25	-40.4	Dark	Down	62.3	224.1	Up	11:07:25 - 11:37:25	2258
Manson/Chelan	11:22:13	-38.5	Dark	Down	61.2	230.1	Up	11:07:13 - 11:37:13	2240
Wenatchee	11:22:13	-38.8	Dark	Down	61.6	230.5	Up	11:07:13 - 11:37:13	2190
Ellensburg	11:22:13	-39.0	Dark	Down	61.9	230.7	Up	11:07:13 - 11:37:13	2145
Yakima	11:22:12	-39.1	Dark	Down	62.2	231.3	Up	11:07:12 - 11:37:12	2104
Toppenish/White Swan	11:22:11	-39.0	Dark	Down	62.3	231.9	Up	11:07:11 - 11:37:11	2085
PNWRO	11:22:06	-38.1	Dark	Down	61.7	234.7	Up	11:07:06 - 11:37:06	2071
The Dalles	11:22:13	-39.8	Dark	Down	63.2	231.8	Up	11:07:13 - 11:37:13	1994
Maupin	11:22:11	-39.8	Dark	Down	63.4	232.7	Up	11:07:11 - 11:37:11	1953
Sisters	11:22:12	-40.3	Dark	Down	64.2	233.3	Up	11:07:12 - 11:37:12	1856
Bend	11:22:11	-40.2	Dark	Down	64.2	234.1	Up	11:07:11 - 11:37:11	1836
Oregon Observatory	11:22:11	-40.3	Dark	Down	64.4	234.2	Up	11:07:11 - 11:37:11	1816
Dunrhomin	11:21:08	-28.7	Dark	Down	54.8	258.8	Up	11:06:08 - 11:36:08	1772
Nikitin	11:21:08	-28.7	Dark	Down	54.9	259.0	Up	11:06:08 - 11:36:08	1753
CU-SBO	11:21:08	-28.8	Dark	Down	54.9	259.0	Up	11:06:08 - 11:36:08	1745
Chiloquin	11:22:11	-40.8	Dark	Down	65.4	235.8	Up	11:07:11 - 11:37:11	1674
Klamath Falls	11:22:10	-40.8	Dark	Down	65.5	236.6	Up	11:07:10 - 11:37:10	1639
Cedarville	11:22:03	-39.8	Dark	Down	64.9	240.3	Up	11:07:03 - 11:37:03	1593
Fall River/Burney	11:22:07	-40.8	Dark	Down	65.9	239.4	Up	11:07:07 - 11:37:07	1523
Gimple	11:22:03	-40.5	Dark	Down	66.0	241.9	Up	11:07:03 - 11:37:03	1436
Greenville	11:22:03	-40.6	Dark	Down	66.0	241.8	Up	11:07:03 - 11:37:03	1435
Quincy	11:22:03	-40.6	Dark	Down	66.1	242.2	Up	11:07:03 - 11:37:03	1414
Portola	11:22:01	-40.3	Dark	Down	65.9	243.1	Up	11:07:01 - 11:37:01	1409
Reno	11:21:58	-39.8	Dark	Down	65.6	244.5	Up	11:06:58 - 11:36:58	1392
Carson City	11:21:58	-39.8	Dark	Down	65.7	245.3	Up	11:06:58 - 11:36:58	1355
Yerington	11:21:55	-39.4	Dark	Down	65.3	246.5	Up	11:06:55 - 11:36:55	1345
Gardnerville	11:21:57	-39.8	Dark	Down	65.8	245.8	Up	11:06:57 - 11:36:57	1330
Hawthorne	11:21:52	-39.0	Dark	Down	65.1	248.1	Up	11:06:52 - 11:36:52	1306
Lee Vining	11:21:53	-39.4	Dark	Down	65.7	248.6	Up	11:06:53 - 11:36:53	1238
Bishop	11:21:50	-38.9	Dark	Down	65.4	250.7	Up	11:06:50 - 11:36:50	1188
Beatty	11:21:43	-37.7	Dark	Down	64.3	253.5	Up	11:06:43 - 11:36:43	1170
Patrick	11:21:29	-35.4	Dark	Down	62.4	259.1	Up	11:06:29 - 11:36:29	1073
Laughlin/Bullhead City	11:21:32	-36.0	Dark	Down	63.0	259.0	Up	11:06:32 - 11:36:32	1032
Lake Havasu City	11:21:30	-35.8	Dark	Down	63.0	260.5	Up	11:06:30 - 11:36:30	966
George/Scottsdale	11:21:19	-33.7	Dark	Down	61.1	263.8	Up	11:06:19 - 11:36:19	939
Wildwood	11:21:46	-39.3	Dark	Down	66.4	257.5	Up	11:06:46 - 11:36:46	837
Idyllwild	11:21:38	-37.7	Dark	Down	65.0	260.0	Up	11:06:38 - 11:36:38	836
Calipatria	11:21:32	-36.7	Dark	Down	64.1	262.2	Up	11:06:32 - 11:36:32	795
Yuma	11:21:28	-36.0	Dark	Down	63.5	263.8	Up	11:06:28 - 11:36:28	769

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 119473, (2028/11/20 11:24UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 18.62 141
Alnath         05:26:17.6 +28:36:23  1.6  4.62 153
125 Tau        05:39:44.2 +25:53:49  5.2  1.07 157
PPM 094789     05:44:55.5 +26:20:33  7.7  0.18 158
119473         05:44:12.6 +26:15:27 16.4       158
Positions are for J2000

Event circumstances last updated at 2024/03/21 22:36:12 UT

RECON