RECON: TNO occultation with 533398

Event between (533398) 14GA54 and star GA0740:21224449 with event index number of 2751924

Geocentric closest approach at 2029/05/12 10:40:09 UTC

J2000 position of star is 18:31:24.3 -14:28:15
Equinox of date position of star is 18:32:48.0 -14:27:06
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon. Moon is 1% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 31.0 AU from the Sun and 30.3 AU from the Earth.
Apparent velocity is 14.5 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 621 seconds.
The 1-sigma cross-track error in the shadow position is 1997 km.
The sky-plane scale is 21971.2 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 14.9 sec chord
Diameter=88.1 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533398, (2029/05/12 10:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9 30.87 150
Nunki          18:57:05.0 -26:15:27  2.0 13.08 117
PPM 234686     18:34:23.9 -14:50:31  5.1  0.51 120
PPM 234676     18:34:01.1 -14:37:15  6.8  0.29 120
533398         18:33:04.6 -14:26:52 15.7       120
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 1.4 sigma about the mid-time.
The median site spacing is 23.2 km RECON observability=0.7 and success probability=0.1%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	10:40:08	-5.0	CT	Up	23.2	187.1	Low	10:25:08 - 10:55:08	8049
Kamloops	10:41:15	-12.3	AT	Down	24.5	172.1	Low	10:26:15 - 10:56:15	7910
Kelowna	10:41:10	-12.5	AT	Down	25.4	173.0	Low	10:26:10 - 10:56:10	7877
Peachland	10:41:13	-12.8	AT	Down	25.5	172.7	Low	10:26:13 - 10:56:13	7869
Summerland	10:41:11	-12.8	AT	Down	25.7	172.8	Low	10:26:11 - 10:56:11	7863
Penticton	10:41:12	-12.8	AT	Down	25.7	172.9	Low	10:26:12 - 10:56:12	7860
Oliver	10:41:11	-13.1	AT	Down	26.1	172.9	Low	10:26:11 - 10:56:11	7843
Anarchist Mountain Observatory	10:41:11	-13.2	AT	Down	26.3	173.1	Low	10:26:11 - 10:56:11	7836
Okanogan	10:41:13	-13.7	AT	Down	26.9	172.8	Low	10:26:13 - 10:56:13	7801
Brewster	10:41:13	-14.0	AT	Down	27.1	172.6	Low	10:26:13 - 10:56:13	7785
Victoria	10:41:18	-15.2	AT	Down	26.3	168.7	Low	10:26:18 - 10:56:18	7780
Manson/Chelan	10:41:16	-14.3	AT	Down	27.3	172.1	Low	10:26:16 - 10:56:16	7772
Wenatchee	10:41:16	-14.8	AT	Down	27.8	171.9	Low	10:26:16 - 10:56:16	7745
Ellensburg	10:41:18	-15.2	AT	Down	28.2	171.7	Low	10:26:18 - 10:56:18	7721
Yakima	10:41:17	-15.5	AT	Down	28.6	171.6	Low	10:26:17 - 10:56:17	7699
Toppenish/White Swan	10:41:17	-15.6	AT	Down	28.8	171.8	Low	10:26:17 - 10:56:17	7688
PNWRO	10:41:10	-15.2	AT	Down	29.3	173.4	Low	10:26:10 - 10:56:10	7680
The Dalles	10:41:18	-16.5	AT	Down	29.5	170.8	Low	10:26:18 - 10:56:18	7639
Maupin	10:41:18	-16.8	AT	Down	29.9	170.9	Low	10:26:18 - 10:56:18	7616
Sisters	10:41:18	-17.7	AT	Down	30.7	170.3	Up	10:26:18 - 10:56:18	7562
Bend	10:41:18	-17.8	AT	Down	31.0	170.6	Up	10:26:18 - 10:56:18	7550
Oregon Observatory	10:41:18	-18.0	AT	Down	31.1	170.4	Up	10:26:18 - 10:56:18	7539
Chiloquin	10:41:18	-19.2	Dark	Down	32.4	169.8	Up	10:26:18 - 10:56:18	7456
Klamath Falls	10:41:18	-19.4	Dark	Down	32.7	169.8	Up	10:26:18 - 10:56:18	7436
Dunrhomin	10:39:54	-11.9	NT	Down	34.8	188.8	Up	10:24:54 - 10:54:54	7416
Cedarville	10:41:18	-19.2	Dark	Down	33.6	171.6	Up	10:26:18 - 10:56:18	7406
Nikitin	10:39:53	-12.0	NT	Down	35.0	188.8	Up	10:24:53 - 10:54:53	7404
CU-SBO	10:39:53	-12.1	AT	Down	35.1	188.7	Up	10:24:53 - 10:54:53	7400
Fall River/Burney	10:41:18	-20.1	Dark	Down	33.9	170.1	Up	10:26:18 - 10:56:18	7365
Gimple	10:41:18	-20.6	Dark	Down	34.9	170.7	Up	10:26:18 - 10:56:18	7310
Greenville	10:41:18	-20.6	Dark	Down	34.9	170.6	Up	10:26:18 - 10:56:18	7310
Quincy	10:41:18	-20.7	Dark	Down	35.1	170.5	Up	10:26:18 - 10:56:18	7297
Portola	10:41:18	-20.6	Dark	Down	35.3	171.1	Up	10:26:18 - 10:56:18	7293
Reno	10:41:16	-20.5	Dark	Down	35.6	171.8	Up	10:26:16 - 10:56:16	7281
Carson City	10:41:16	-20.7	Dark	Down	36.0	171.8	Up	10:26:16 - 10:56:16	7257
Yerington	10:41:13	-20.5	Dark	Down	36.2	172.5	Up	10:26:13 - 10:56:13	7250
Gardnerville	10:41:16	-20.9	Dark	Down	36.2	171.8	Up	10:26:16 - 10:56:16	7241
Hawthorne	10:41:10	-20.6	Dark	Down	36.7	173.1	Up	10:26:10 - 10:56:10	7223
Lee Vining	10:41:13	-21.3	Dark	Down	37.2	172.5	Up	10:26:13 - 10:56:13	7181
Bishop	10:41:09	-21.3	Dark	Down	37.9	173.3	Up	10:26:09 - 10:56:09	7146
Beatty	10:40:59	-20.8	Dark	Down	38.5	175.2	Up	10:25:59 - 10:55:59	7127
Patrick	10:40:42	-20.1	Dark	Down	40.1	178.7	Up	10:25:42 - 10:55:42	7043
Laughlin/Bullhead City	10:40:46	-20.7	Dark	Down	40.3	177.8	Up	10:25:46 - 10:55:46	7020
Lake Havasu City	10:40:44	-21.0	Dark	Down	41.0	178.1	Up	10:25:44 - 10:55:44	6973
George/Scottsdale	10:40:29	-20.0	Dark	Down	41.8	181.2	Up	10:25:29 - 10:55:29	6933
Wildwood	10:41:10	-23.8	Dark	Down	41.1	172.7	Up	10:26:10 - 10:56:10	6910
Idyllwild	10:40:58	-22.9	Dark	Down	41.7	175.0	Up	10:25:58 - 10:55:58	6900
Calipatria	10:40:51	-22.7	Dark	Down	42.3	176.5	Up	10:25:51 - 10:55:51	6863
Yuma	10:40:45	-22.4	Dark	Down	42.8	177.6	Up	10:25:45 - 10:55:45	6837

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 533398, (2029/05/12 10:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.87 150
Nunki          18:55:15.9 -26:17:49  2.0 13.08 117
PPM 234686     18:32:43.3 -14:51:57  5.1  0.51 120
PPM 234676     18:32:20.7 -14:38:40  6.8  0.29 120
533398         18:31:24.3 -14:28:15 15.7       121
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:16 UT

RECON