RECON: TNO occultation with 523733

Event between (523733) 14PR70 and star GA1200:02576839 with event index number of 2308767

Geocentric closest approach at 2028/01/01 03:09:00 UTC

J2000 position of star is 06:29:54.6 +30:16:15
Equinox of date position of star is 06:31:26.8 +30:15:11
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 129 degrees from the moon. Moon is 16% illuminated.
Apparent brightness V=23.3

[RECON map]
Object is 19.7 AU from the Sun and 18.7 AU from the Earth.
Apparent velocity is 22.5 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 93 seconds.
The 1-sigma cross-track error in the shadow position is 702 km.
The sky-plane scale is 13560.8 km/arcsec.

The object has an absolute magnitude Hv=10.4
Diameter=50.4 km assuming a 5% albedo -- 2.3 sec chord
Diameter=20.6 km assuming a 30% albedo -- 0.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 523733, (2028/01/01 03:12UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:01.8 +27:57:22  1.1 16.59 145
Alnath         05:28:03.9 +28:37:43  1.6 13.94 115
48 Aur         06:30:22.0 +30:28:23  6.4  0.36 128
PPM 071671     06:30:31.6 +30:15:54  9.3  0.26 128
523733         06:31:42.3 +30:14:59 15.5       129
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 0.0 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)
Kamloops	03:11:53	-28.1	Dark	Up	35.5	83.9	Up	03:03:37 - 03:20:10	6222
Victoria	03:12:04	-26.0	Dark	Up	33.3	80.4	Up	03:03:48 - 03:20:21	6157
Peachland	03:11:56	-28.5	Dark	Up	35.8	83.7	Up	03:03:40 - 03:20:13	6130
Kelowna	03:11:55	-28.7	Dark	Up	36.0	84.0	Up	03:03:39 - 03:20:12	6129
Summerland	03:11:56	-28.5	Dark	Up	35.9	83.7	Up	03:03:40 - 03:20:13	6115
Penticton	03:11:56	-28.6	Dark	Up	35.9	83.7	Up	03:03:40 - 03:20:13	6106
Oliver	03:11:58	-28.6	Dark	Up	35.9	83.4	Up	03:03:41 - 03:20:14	6078
Anarchist Mountain Observatory	03:11:58	-28.7	Dark	Up	36.0	83.5	Up	03:03:41 - 03:20:14	6058
Okanogan	03:12:00	-28.5	Dark	Up	35.8	82.9	Up	03:03:44 - 03:20:17	6013
Brewster	03:12:02	-28.4	Dark	Up	35.6	82.5	Up	03:03:46 - 03:20:19	5998
Manson/Chelan	03:12:03	-28.1	Dark	Up	35.4	82.1	Up	03:03:46 - 03:20:19	5994
Wenatchee	03:12:05	-28.0	Dark	Up	35.2	81.7	Up	03:03:48 - 03:20:21	5961
Ellensburg	03:12:06	-27.8	Dark	Up	35.0	81.3	Up	03:03:50 - 03:20:23	5935
Yakima	03:12:07	-27.8	Dark	Up	34.9	81.0	Up	03:03:51 - 03:20:24	5902
Sleaford	03:11:28	-37.0	Dark	Up	44.5	96.3	Up	03:03:11 - 03:19:44	5902
Toppenish/White Swan	03:12:08	-27.9	Dark	Up	35.0	80.9	Up	03:03:52 - 03:20:25	5878
The Dalles	03:12:11	-27.2	Dark	Up	34.3	79.9	Up	03:03:55 - 03:20:28	5843
Maupin	03:12:13	-27.3	Dark	Up	34.3	79.7	Up	03:03:56 - 03:20:29	5804
PNWRO	03:12:07	-28.9	Dark	Up	36.0	81.6	Up	03:03:51 - 03:20:24	5795
Sisters	03:12:16	-26.8	Dark	Up	33.8	78.8	Up	03:04:00 - 03:20:33	5750
Bend	03:12:17	-27.0	Dark	Up	34.0	78.8	Up	03:04:00 - 03:20:33	5720
Oregon Observatory	03:12:18	-26.9	Dark	Up	33.8	78.6	Up	03:04:01 - 03:20:34	5710
Chiloquin	03:12:22	-26.4	Dark	Up	33.3	77.5	Up	03:04:05 - 03:20:38	5615
Klamath Falls	03:12:23	-26.4	Dark	Up	33.3	77.4	Up	03:04:06 - 03:20:39	5583
Fall River/Burney	03:12:26	-26.6	Dark	Up	33.3	76.8	Up	03:04:10 - 03:20:43	5467
Cedarville	03:12:23	-27.5	Dark	Up	34.3	77.8	Up	03:04:07 - 03:20:40	5461
Greenville	03:12:28	-26.8	Dark	Up	33.4	76.5	Up	03:04:12 - 03:20:45	5370
Gimple	03:12:28	-26.8	Dark	Up	33.5	76.5	Up	03:04:12 - 03:20:45	5367
Quincy	03:12:29	-26.8	Dark	Up	33.4	76.4	Up	03:04:12 - 03:20:45	5352
Portola	03:12:28	-27.1	Dark	Up	33.7	76.5	Up	03:04:12 - 03:20:45	5323
Reno	03:12:29	-27.6	Dark	Up	34.1	76.7	Up	03:04:12 - 03:20:45	5273
Carson City	03:12:29	-27.5	Dark	Up	34.1	76.5	Up	03:04:13 - 03:20:46	5241
Gardnerville	03:12:30	-27.5	Dark	Up	34.0	76.3	Up	03:04:14 - 03:20:47	5217
Yerington	03:12:29	-28.0	Dark	Up	34.5	76.7	Up	03:04:12 - 03:20:45	5198
Hawthorne	03:12:29	-28.3	Dark	Up	34.8	76.6	Up	03:04:13 - 03:20:46	5135
Lee Vining	03:12:32	-27.9	Dark	Up	34.3	76.0	Up	03:04:15 - 03:20:48	5104
Bishop	03:12:32	-28.4	Dark	Up	34.7	76.0	Up	03:04:16 - 03:20:49	5021
Beatty	03:12:31	-29.6	Dark	Up	35.9	76.4	Up	03:04:14 - 03:20:47	4913
Dunrhomin	03:12:00	-38.7	Dark	Up	45.2	85.2	Up	03:03:43 - 03:20:16	4800
Nikitin	03:12:00	-38.7	Dark	Up	45.2	85.0	Up	03:03:44 - 03:20:17	4783
CU-SBO	03:12:01	-38.7	Dark	Up	45.1	84.9	Up	03:03:44 - 03:20:17	4779
Wildwood	03:12:41	-27.7	Dark	Up	33.7	73.7	Up	03:04:24 - 03:20:57	4729
Laughlin/Bullhead City	03:12:31	-31.1	Dark	Up	37.2	76.1	Up	03:04:15 - 03:20:48	4664
Patrick	03:12:29	-31.7	Dark	Up	37.8	76.6	Up	03:04:13 - 03:20:46	4658
Idyllwild	03:12:39	-29.2	Dark	Up	35.1	74.3	Up	03:04:22 - 03:20:55	4616
Lake Havasu City	03:12:32	-31.2	Dark	Up	37.2	75.7	Up	03:04:16 - 03:20:49	4590
Calipatria	03:12:38	-30.0	Dark	Up	35.9	74.3	Up	03:04:22 - 03:20:55	4509
Yuma	03:12:37	-30.7	Dark	Up	36.5	74.3	Up	03:04:20 - 03:20:53	4431
George/Scottsdale	03:12:29	-33.1	Dark	Up	39.0	76.1	Up	03:04:13 - 03:20:46	4417

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 523733, (2028/01/01 03:12UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 16.59 145
Alnath         05:26:17.6 +28:36:23  1.6 13.94 115
48 Aur         06:28:34.1 +30:29:35  6.4  0.36 128
PPM 071671     06:28:43.8 +30:17:07  9.3  0.26 128
523733         06:29:54.6 +30:16:15 15.5       129
Positions are for J2000

Event circumstances last updated at 2023/12/18 04:23:21 UT

RECON