RECON: TNO occultation with 533085

Event between (533085) 14BW64 and star GA1000:03392173 with event index number of 2593135

Geocentric closest approach at 2023/01/23 13:10:54 UTC

J2000 position of star is 09:55:09.9 +10:40:04
Equinox of date position of star is 09:56:23.7 +10:33:29
Stellar brightness G=13.9, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 173 degrees from the moon. Moon is 4% illuminated.
Apparent brightness V=22.6

[RECON map]
Object is 39.2 AU from the Sun and 38.3 AU from the Earth.
Apparent velocity is 23.0 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 142 seconds.
The 1-sigma cross-track error in the shadow position is 2625 km.
The sky-plane scale is 27804.6 km/arcsec.

The object has an absolute magnitude Hv=6.6
Diameter=302.0 km assuming a 5% albedo -- 12.7 sec chord
Diameter=123.3 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533085, (2023/01/23 13:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:35.9 +11:51:13  1.3  3.49 175
PPM 126849     09:52:03.6 +11:44:00  6.5  1.59 174
PPM 126943     09:57:36.1 +10:33:18  8.0  0.30 173
PPM 126939     09:57:20.4 +10:40:38  9.6  0.26 174
533085         09:56:23.8 +10:33:28 13.9       173
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 18.7 km RECON observability=0.9 and success probability=10.1%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	13:09:18	-16.1	AT	Down	23.5	256.7	Low	12:57:00 - 13:21:37	4324
Kamloops	13:09:34	-24.9	Dark	Down	32.4	244.6	Up	12:57:16 - 13:21:53	3954
Kelowna	13:09:29	-24.3	Dark	Down	32.3	245.8	Up	12:57:11 - 13:21:48	3926
Peachland	13:09:29	-24.5	Dark	Down	32.5	245.6	Up	12:57:10 - 13:21:47	3913
Summerland	13:09:29	-24.5	Dark	Down	32.5	245.8	Up	12:57:10 - 13:21:47	3906
Penticton	13:09:28	-24.4	Dark	Down	32.5	245.9	Up	12:57:09 - 13:21:46	3904
Oliver	13:09:27	-24.4	Dark	Down	32.6	246.1	Up	12:57:08 - 13:21:45	3883
Anarchist Mountain Observatory	13:09:27	-24.2	Dark	Down	32.6	246.4	Up	12:57:09 - 13:21:46	3877
Okanogan	13:09:24	-24.4	Dark	Down	33.0	246.6	Up	12:57:05 - 13:21:42	3832
Brewster	13:09:23	-24.5	Dark	Down	33.2	246.6	Up	12:57:05 - 13:21:42	3811
Manson/Chelan	13:09:23	-24.7	Dark	Down	33.5	246.4	Up	12:57:04 - 13:21:41	3789
Wenatchee	13:09:22	-24.8	Dark	Down	33.8	246.5	Up	12:57:03 - 13:21:40	3755
Victoria	13:09:31	-26.9	Dark	Down	35.2	242.9	Up	12:57:13 - 13:21:50	3755
Ellensburg	13:09:20	-25.0	Dark	Down	34.1	246.5	Up	12:57:02 - 13:21:39	3724
PNWRO	13:09:15	-23.8	Dark	Down	33.4	248.6	Up	12:56:56 - 13:21:33	3698
Yakima	13:09:19	-25.0	Dark	Down	34.3	246.8	Up	12:57:00 - 13:21:37	3697
Toppenish/White Swan	13:09:18	-24.8	Dark	Down	34.3	247.0	Up	12:57:00 - 13:21:37	3687
Dunrhomin	13:08:30	-13.1	AT	Down	25.3	262.4	Low	12:56:12 - 13:20:49	3639
Nikitin	13:08:30	-13.1	AT	Down	25.3	262.5	Low	12:56:11 - 13:20:48	3626
CU-SBO	13:08:29	-13.1	AT	Down	25.4	262.5	Low	12:56:11 - 13:20:48	3619
The Dalles	13:09:17	-25.4	Dark	Down	35.1	246.8	Up	12:56:59 - 13:21:36	3617
Maupin	13:09:15	-25.3	Dark	Down	35.2	247.2	Up	12:56:56 - 13:21:33	3591
Sisters	13:09:14	-25.6	Dark	Down	35.8	247.3	Up	12:56:55 - 13:21:32	3520
Bend	13:09:12	-25.4	Dark	Down	35.8	247.7	Up	12:56:53 - 13:21:30	3510
Oregon Observatory	13:09:12	-25.5	Dark	Down	35.9	247.7	Up	12:56:53 - 13:21:30	3495
Chiloquin	13:09:08	-25.7	Dark	Down	36.7	248.2	Up	12:56:49 - 13:21:26	3392
Klamath Falls	13:09:06	-25.6	Dark	Down	36.8	248.5	Up	12:56:48 - 13:21:25	3370
Cedarville	13:09:01	-24.4	Dark	Down	35.9	250.4	Up	12:56:43 - 13:21:20	3361
Fall River/Burney	13:09:02	-25.3	Dark	Down	36.9	249.7	Up	12:56:44 - 13:21:21	3294
Gimple	13:08:57	-24.8	Dark	Down	36.9	250.7	Up	12:56:39 - 13:21:16	3241
Greenville	13:08:57	-24.9	Dark	Down	36.9	250.7	Up	12:56:39 - 13:21:16	3239
Portola	13:08:55	-24.5	Dark	Down	36.7	251.3	Up	12:56:37 - 13:21:14	3228
Reno	13:08:54	-24.0	Dark	Down	36.3	252.0	Up	12:56:35 - 13:21:12	3225
Quincy	13:08:57	-24.9	Dark	Down	37.0	250.8	Up	12:56:38 - 13:21:15	3224
Yerington	13:08:50	-23.4	Dark	Down	36.0	252.9	Up	12:56:31 - 13:21:08	3201
Carson City	13:08:52	-23.9	Dark	Down	36.4	252.3	Up	12:56:34 - 13:21:11	3199
Gardnerville	13:08:51	-23.9	Dark	Down	36.5	252.5	Up	12:56:32 - 13:21:09	3182
Hawthorne	13:08:47	-23.0	Dark	Down	35.8	253.6	Up	12:56:29 - 13:21:06	3180
Lee Vining	13:08:47	-23.3	Dark	Down	36.3	253.6	Up	12:56:28 - 13:21:05	3124
Beatty	13:08:38	-21.3	Dark	Down	34.8	256.1	Up	12:56:20 - 13:20:57	3106
Bishop	13:08:43	-22.7	Dark	Down	35.9	254.6	Up	12:56:24 - 13:21:01	3098
Patrick	13:08:28	-18.8	Dark	Down	32.9	259.1	Up	12:56:10 - 13:20:47	3068
Laughlin/Bullhead City	13:08:28	-19.3	Dark	Down	33.5	258.8	Up	12:56:09 - 13:20:46	3029
George/Scottsdale	13:08:18	-16.8	AT	Down	31.5	261.5	Up	12:56:00 - 13:20:37	2989
Lake Havasu City	13:08:25	-19.0	Dark	Down	33.4	259.4	Up	12:56:06 - 13:20:43	2984
Idyllwild	13:08:27	-20.8	Dark	Down	35.5	258.3	Up	12:56:09 - 13:20:46	2858
Calipatria	13:08:24	-19.7	Dark	Down	34.6	259.5	Up	12:56:05 - 13:20:42	2841
Wildwood	13:08:33	-22.4	Dark	Down	36.9	256.8	Up	12:56:14 - 13:20:51	2834
Yuma	13:08:20	-18.9	Dark	Down	34.0	260.4	Up	12:56:01 - 13:20:38	2831

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 533085, (2023/01/23 13:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3  3.49 175
PPM 126849     09:50:49.2 +11:50:32  6.5  1.59 174
PPM 126943     09:56:22.3 +10:39:55  8.0  0.30 173
PPM 126939     09:56:06.5 +10:47:15  9.6  0.26 174
533085         09:55:09.9 +10:40:04 13.9       173
Positions are for J2000

Event circumstances last updated at 2023/01/09 03:27:56 UT

RECON