RECON: TNO occultation with 533559

Event between (533559) 14JG80 and star GA0700:17980055 with event index number of 2589042

Geocentric closest approach at 2028/05/10 10:07:55 UTC

J2000 position of star is 17:51:02.4 -18:03:05
Equinox of date position of star is 17:52:22.8 -18:03:21
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 19 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 26.3 AU from the Sun and 25.5 AU from the Earth.
The TNO is moving 18.8 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 193 seconds.
The 1-sigma cross-track error in the shadow position is 2503 km.
The sky-plane scale is 18522.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 8.5 sec chord
Diameter=64.4 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533559, (2028/05/10 10:09UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.1 -26:29:32  0.9 20.63   1
35Eta Oph      17:12:00.4 -15:45:29  2.6 10.00  13
PPM 233754     17:57:35.1 -18:48:16  6.5  1.38  20
PPM 233701     17:54:03.0 -18:05:41  7.9  0.32  20
PPM 233654     17:52:09.6 -18:07:22  9.5  0.14  19
533559         17:52:41.9 -18:03:25 16.5        20
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 4.7 sigma about the mid-time.
The median site spacing is 18.6 km RECON observability=1.0 and success probability=10.7%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	10:07:19	-9.2	NT	Up	19.6	186.9	Really Low	09:52:19 - 10:22:19	1720
Kamloops	10:08:12	-15.8	AT	Up	21.0	172.5	Low	09:53:12 - 10:23:12	1698
Kelowna	10:08:09	-16.1	AT	Up	21.8	173.4	Low	09:53:09 - 10:23:09	1665
Peachland	10:08:11	-16.3	AT	Up	21.9	173.1	Low	09:53:11 - 10:23:11	1661
Summerland	10:08:10	-16.4	AT	Up	22.1	173.2	Low	09:53:10 - 10:23:10	1654
Penticton	10:08:10	-16.5	AT	Up	22.2	173.3	Low	09:53:10 - 10:23:10	1651
Oliver	10:08:10	-16.7	AT	Up	22.5	173.3	Low	09:53:10 - 10:23:10	1636
Anarchist Mountain Observatory	10:08:09	-16.8	AT	Up	22.7	173.5	Low	09:53:09 - 10:23:09	1630
Victoria	10:08:25	-18.6	Dark	Up	22.8	169.3	Low	09:53:25 - 10:23:25	1605
Okanogan	10:08:10	-17.4	AT	Up	23.3	173.2	Low	09:53:10 - 10:23:10	1601
Brewster	10:08:12	-17.7	AT	Up	23.6	173.0	Low	09:53:12 - 10:23:12	1589
Manson/Chelan	10:08:13	-18.0	Dark	Up	23.8	172.6	Low	09:53:13 - 10:23:13	1579
Wenatchee	10:08:14	-18.5	Dark	Up	24.2	172.4	Low	09:53:14 - 10:23:14	1558
Ellensburg	10:08:15	-18.9	Dark	Up	24.6	172.1	Low	09:53:15 - 10:23:15	1539
Yakima	10:08:16	-19.3	Dark	Up	25.0	172.1	Low	09:53:16 - 10:23:16	1519
Toppenish/White Swan	10:08:15	-19.4	Dark	Up	25.2	172.3	Low	09:53:15 - 10:23:15	1509
PNWRO	10:08:09	-19.1	Dark	Up	25.7	173.8	Low	09:53:09 - 10:23:09	1492
The Dalles	10:08:19	-20.3	Dark	Up	25.9	171.4	Low	09:53:19 - 10:23:19	1471
Maupin	10:08:19	-20.7	Dark	Up	26.4	171.5	Low	09:53:19 - 10:23:19	1451
Sisters	10:08:21	-21.6	Dark	Up	27.2	170.9	Low	09:53:21 - 10:23:21	1406
Bend	10:08:20	-21.7	Dark	Up	27.4	171.2	Low	09:53:20 - 10:23:20	1394
Oregon Observatory	10:08:21	-21.9	Dark	Up	27.6	171.0	Low	09:53:21 - 10:23:21	1385
Chiloquin	10:08:24	-23.2	Dark	Up	28.8	170.5	Low	09:53:24 - 10:23:24	1315
Klamath Falls	10:08:24	-23.4	Dark	Up	29.2	170.5	Low	09:53:24 - 10:23:24	1296
Cedarville	10:08:17	-23.3	Dark	Up	30.1	172.2	Up	09:53:17 - 10:23:17	1259
Fall River/Burney	10:08:23	-24.2	Dark	Up	30.4	170.8	Up	09:53:23 - 10:23:23	1230
Greenville	10:08:22	-24.8	Dark	Up	31.3	171.2	Up	09:53:22 - 10:23:22	1179
Gimple	10:08:21	-24.8	Dark	Up	31.4	171.3	Up	09:53:21 - 10:23:21	1179
Quincy	10:08:22	-25.0	Dark	Up	31.5	171.2	Up	09:53:22 - 10:23:22	1167
Portola	10:08:20	-24.9	Dark	Up	31.7	171.7	Up	09:53:20 - 10:23:20	1160
Reno	10:08:17	-24.8	Dark	Up	32.1	172.4	Up	09:53:17 - 10:23:17	1144
Dunrhomin	10:07:12	-17.0	AT	Up	31.3	188.5	Up	09:52:12 - 10:22:12	1139
CU-SBO	10:07:12	-17.3	AT	Up	31.5	188.4	Up	09:52:12 - 10:22:12	1125
Carson City	10:08:17	-25.1	Dark	Up	32.4	172.4	Up	09:53:17 - 10:23:17	1123
Yerington	10:08:14	-25.0	Dark	Up	32.7	173.1	Up	09:53:14 - 10:23:14	1111
Gardnerville	10:08:17	-25.3	Dark	Up	32.7	172.4	Up	09:53:17 - 10:23:17	1108
Hawthorne	10:08:12	-25.1	Dark	Up	33.2	173.6	Up	09:53:12 - 10:23:12	1083
Lee Vining	10:08:15	-25.8	Dark	Up	33.7	173.0	Up	09:53:15 - 10:23:15	1049
Bishop	10:08:12	-25.9	Dark	Up	34.4	173.8	Up	09:53:12 - 10:23:12	1011
Beatty	10:08:04	-25.5	Dark	Up	34.9	175.6	Up	09:53:04 - 10:23:04	980
Patrick	10:07:51	-25.2	Dark	Up	36.5	178.9	Up	09:52:51 - 10:22:51	877
Laughlin/Bullhead City	10:07:54	-25.8	Dark	Up	36.8	178.1	Up	09:52:54 - 10:22:54	862
Lake Havasu City	10:07:53	-26.1	Dark	Up	37.4	178.4	Up	09:52:53 - 10:22:53	817
Wildwood	10:08:14	-28.6	Dark	Up	37.6	173.3	Up	09:53:14 - 10:23:14	797
Idyllwild	10:08:05	-28.0	Dark	Up	38.1	175.5	Up	09:53:05 - 10:23:05	771
George/Scottsdale	10:07:42	-25.3	Dark	Up	38.2	181.3	Up	09:52:42 - 10:22:42	756
Calipatria	10:08:00	-27.8	Dark	Up	38.8	176.9	Up	09:53:00 - 10:23:00	726
Yuma	10:07:55	-27.6	Dark	Up	39.2	177.9	Up	09:52:55 - 10:22:55	694

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, (2028/05/10 10:09UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.63   1
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.00  13
PPM 233754     17:55:55.0 -18:48:08  6.5  1.38  20
PPM 233701     17:52:23.4 -18:05:24  7.9  0.32  20
PPM 233654     17:50:30.0 -18:07:01  9.5  0.14  19
533559         17:51:02.4 -18:03:05 16.5        19
Positions are for J2000

Event circumstances last updated at 2022/11/29 03:18:12 UT

RECON