RECON: TNO occultation with 533559

Event between (533559) 14JG80 and star GA0720:12921040 with event index number of 2588365

Geocentric closest approach at 2027/05/31 10:22:37 UTC

J2000 position of star is 17:40:25.1 -16:45:32
Equinox of date position of star is 17:41:44.6 -16:46:09
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 26.5 AU from the Sun and 25.5 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is 2135 km.
The sky-plane scale is 18514.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 6.7 sec chord
Diameter=64.4 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533559, (2027/05/31 10:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:05.6 -26:29:25  0.9 19.10 123
35Eta Oph      17:11:57.1 -15:45:25  2.6  7.28 114
PPM 233351     17:39:10.7 -15:35:07  6.2  1.37 107
PPM 233531     17:45:55.1 -16:52:30  7.9  0.94 106
PPM 233423     17:41:54.4 -17:03:10  9.9  0.28 107
533559         17:42:00.4 -16:46:16 16.9       106
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 23.9 km RECON observability=0.6 and success probability=1.3%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	10:21:35	-10.9	NT	Up	20.6	199.1	Low	10:10:48 - 10:32:21	7108
Kelowna	10:21:32	-11.3	NT	Up	21.2	200.1	Low	10:10:45 - 10:32:18	7063
Peachland	10:21:32	-11.5	NT	Up	21.4	199.8	Low	10:10:45 - 10:32:18	7061
Summerland	10:21:32	-11.6	NT	Up	21.5	199.9	Low	10:10:45 - 10:32:18	7053
Penticton	10:21:31	-11.6	NT	Up	21.5	200.0	Low	10:10:45 - 10:32:18	7048
Victoria	10:21:41	-13.8	AT	Up	23.3	196.3	Low	10:10:55 - 10:32:28	7034
Oliver	10:21:31	-11.9	NT	Up	21.8	200.1	Low	10:10:45 - 10:32:18	7032
Anarchist Mountain Observatory	10:21:30	-11.9	NT	Up	22.0	200.3	Low	10:10:43 - 10:32:16	7022
Sleaford	10:21:00	-4.2	CT	Up	15.5	212.7	Really Low	10:10:13 - 10:31:46	7015
Okanogan	10:21:30	-12.6	AT	Up	22.6	200.1	Low	10:10:43 - 10:32:16	6993
Brewster	10:21:31	-12.9	AT	Up	22.9	200.0	Low	10:10:44 - 10:32:17	6981
Manson/Chelan	10:21:31	-13.2	AT	Up	23.2	199.6	Low	10:10:45 - 10:32:18	6974
Wenatchee	10:21:31	-13.6	AT	Up	23.7	199.5	Low	10:10:45 - 10:32:18	6952
Ellensburg	10:21:32	-14.0	AT	Up	24.1	199.4	Low	10:10:45 - 10:32:18	6933
Yakima	10:21:31	-14.4	AT	Up	24.5	199.4	Low	10:10:45 - 10:32:18	6912
Toppenish/White Swan	10:21:31	-14.5	AT	Up	24.7	199.6	Low	10:10:44 - 10:32:17	6899
The Dalles	10:21:32	-15.5	AT	Up	25.6	198.9	Low	10:10:46 - 10:32:19	6866
PNWRO	10:21:26	-14.2	AT	Up	24.7	201.2	Low	10:10:39 - 10:32:12	6865
Maupin	10:21:31	-15.8	AT	Up	26.0	199.1	Low	10:10:45 - 10:32:18	6842
Sisters	10:21:32	-16.7	AT	Up	26.9	198.7	Low	10:10:46 - 10:32:19	6799
Bend	10:21:32	-16.8	AT	Up	27.1	199.0	Low	10:10:45 - 10:32:18	6784
Oregon Observatory	10:21:31	-17.0	AT	Up	27.3	198.9	Low	10:10:45 - 10:32:18	6775
Chiloquin	10:21:32	-18.3	Dark	Up	28.6	198.7	Low	10:10:46 - 10:32:19	6704
Klamath Falls	10:21:31	-18.5	Dark	Up	28.9	198.9	Low	10:10:45 - 10:32:18	6683
Cedarville	10:21:26	-18.4	Dark	Up	29.2	200.7	Low	10:10:39 - 10:32:12	6625
Fall River/Burney	10:21:29	-19.3	Dark	Up	29.9	199.5	Low	10:10:43 - 10:32:16	6608
Greenville	10:21:27	-19.9	Dark	Up	30.7	200.1	Up	10:10:40 - 10:32:13	6548
Gimple	10:21:26	-19.9	Dark	Up	30.7	200.2	Up	10:10:40 - 10:32:13	6547
Quincy	10:21:26	-20.1	Dark	Up	30.9	200.2	Up	10:10:40 - 10:32:13	6535
Portola	10:21:25	-20.0	Dark	Up	30.9	200.7	Up	10:10:39 - 10:32:12	6523
Reno	10:21:23	-19.9	Dark	Up	30.9	201.4	Up	10:10:36 - 10:32:09	6499
Carson City	10:21:22	-20.2	Dark	Up	31.3	201.5	Up	10:10:36 - 10:32:09	6476
Gardnerville	10:21:22	-20.4	Dark	Up	31.5	201.6	Up	10:10:35 - 10:32:08	6459
Yerington	10:21:20	-20.1	Dark	Up	31.3	202.3	Up	10:10:34 - 10:32:07	6456
Hawthorne	10:21:18	-20.2	Dark	Up	31.5	202.9	Up	10:10:31 - 10:32:04	6420
Lee Vining	10:21:19	-20.9	Dark	Up	32.2	202.5	Up	10:10:33 - 10:32:06	6389
Dunrhomin	10:20:38	-12.0	AT	Up	25.0	215.8	Low	10:09:52 - 10:31:25	6345
Bishop	10:21:16	-21.0	Dark	Up	32.5	203.5	Up	10:10:29 - 10:32:02	6340
CU-SBO	10:20:38	-12.3	AT	Up	25.2	215.7	Low	10:09:51 - 10:31:24	6331
Beatty	10:21:11	-20.6	Dark	Up	32.4	205.3	Up	10:10:24 - 10:31:57	6289
Patrick	10:20:59	-20.2	Dark	Up	32.7	208.7	Up	10:10:12 - 10:31:45	6147
Laughlin/Bullhead City	10:21:01	-20.8	Dark	Up	33.2	208.1	Up	10:10:14 - 10:31:47	6139
Wildwood	10:21:14	-23.7	Dark	Up	35.6	204.1	Up	10:10:28 - 10:32:01	6115
Lake Havasu City	10:21:00	-21.2	Dark	Up	33.7	208.5	Up	10:10:13 - 10:31:46	6087
Idyllwild	10:21:08	-23.0	Dark	Up	35.3	206.3	Up	10:10:21 - 10:31:54	6066
Calipatria	10:21:03	-22.9	Dark	Up	35.4	207.7	Up	10:10:16 - 10:31:49	6004
George/Scottsdale	10:20:51	-20.4	Dark	Up	33.4	211.3	Up	10:10:04 - 10:31:37	5996
Yuma	10:20:59	-22.7	Dark	Up	35.4	208.8	Up	10:10:13 - 10:31:46	5960

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 533559, (2027/05/31 10:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.10 123
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.28 114
PPM 233351     17:37:36.2 -15:34:15  6.2  1.37 107
PPM 233531     17:44:19.7 -16:51:54  7.9  0.94 106
PPM 233423     17:40:18.9 -17:02:25  9.9  0.28 107
533559         17:40:25.1 -16:45:32 16.9       107
Positions are for J2000

Event circumstances last updated at 2022/11/20 03:05:47 UT

RECON