RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0760:17040686 with event index number of 2592065

Geocentric closest approach at 2028/09/01 07:20:34 UTC

J2000 position of star is 18:41:50.4 -12:05:16
Equinox of date position of star is 18:43:04.6 -12:03:54
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 31 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 23.0 AU from the Sun and 22.5 AU from the Earth.
The TNO is moving 11.5 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 336 seconds.
The 1-sigma cross-track error in the shadow position is 3939 km.
The sky-plane scale is 16292.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 7.0 sec chord
Diameter=32.6 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2028/09/01 07:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:10.2 -26:29:35  0.9 34.24  60
Nunki          18:57:02.4 -26:15:30  2.0 14.56  28
PPM 234743     18:36:38.0 -10:57:08  5.0  2.00  33
PPM 234848     18:41:02.9 -12:13:12  8.0  0.61  31
PPM 234900     18:43:17.6 -12:04:58  9.2  0.04  31
533396         18:43:26.6 -12:03:29 16.5        30
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 2.7 sigma about the mid-time.
The median site spacing is 33.9 km RECON observability=0.5 and success probability=8.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:12:12 -30.3 Dark Up 14.5 228.9 Really Low 06:57:12 - 07:27:12 3592
Victoria 07:12:19 -31.8 Dark Up 17.4 226.6 Really Low 06:57:19 - 07:27:19 3535
Peachland 07:12:10 -31.3 Dark Up 14.9 229.6 Really Low 06:57:10 - 07:27:10 3489
Kelowna 07:12:10 -31.2 Dark Up 14.6 229.8 Really Low 06:57:10 - 07:27:10 3487
Summerland 07:12:09 -31.5 Dark Up 14.9 229.7 Really Low 06:57:09 - 07:27:09 3473
Penticton 07:12:10 -31.5 Dark Up 14.9 229.8 Really Low 06:57:10 - 07:27:10 3463
Oliver 07:12:10 -31.9 Dark Up 15.1 229.9 Really Low 06:57:10 - 07:27:10 3432
Anarchist Mountain Observatory 07:12:08 -32.1 Dark Up 15.1 230.1 Really Low 06:57:08 - 07:27:08 3410
Tonasket 07:12:08 -32.4 Dark Up 15.4 230.1 Really Low 06:57:08 - 07:27:08 3386
Okanogan 07:12:09 -32.7 Dark Up 15.7 230.0 Really Low 06:57:09 - 07:27:09 3363
Brewster 07:12:08 -32.9 Dark Up 15.9 229.9 Really Low 06:57:08 - 07:27:08 3348
Manson/Chelan 07:12:10 -33.1 Dark Up 16.3 229.6 Really Low 06:57:10 - 07:27:10 3345
Wenatchee 07:12:10 -33.5 Dark Up 16.7 229.6 Really Low 06:57:10 - 07:27:10 3311
Ellensburg 07:12:12 -33.8 Dark Up 17.0 229.5 Really Low 06:57:12 - 07:27:12 3284
Yakima 07:12:10 -34.2 Dark Up 17.3 229.6 Really Low 06:57:10 - 07:27:10 3250
Toppenish/White Swan 07:12:11 -34.5 Dark Up 17.4 229.8 Really Low 06:57:11 - 07:27:11 3224
Sleaford 07:11:45 -29.8 Dark Up 6.4 240.8 Really Low 06:56:45 - 07:26:45 3212
Goldendale 07:12:11 -34.9 Dark Up 17.9 229.5 Really Low 06:57:11 - 07:27:11 3194
The Dalles 07:12:11 -35.1 Dark Up 18.3 229.3 Really Low 06:57:11 - 07:27:11 3190
Maupin 07:12:14 -35.5 Dark Up 18.5 229.5 Really Low 06:57:14 - 07:27:14 3149
PNWRO 07:12:06 -35.1 Dark Up 16.8 231.1 Really Low 06:57:06 - 07:27:06 3128
Sisters 07:12:12 -36.2 Dark Up 19.3 229.3 Really Low 06:57:12 - 07:27:12 3094
Bend 07:12:12 -36.5 Dark Up 19.4 229.6 Really Low 06:57:12 - 07:27:12 3062
Oregon Observatory 07:12:12 -36.7 Dark Up 19.5 229.5 Really Low 06:57:12 - 07:27:12 3053
North Lake 07:12:12 -37.4 Dark Up 19.6 230.1 Really Low 06:57:12 - 07:27:12 2972
Chiloquin 07:12:14 -37.8 Dark Up 20.6 229.5 Low 06:57:14 - 07:27:14 2956
Klamath Falls 07:12:15 -38.2 Dark Up 20.8 229.7 Low 06:57:15 - 07:27:15 2922
Lakeview 07:12:11 -38.5 Dark Up 20.0 230.9 Low 06:57:11 - 07:27:11 2853
Fall River/Burney 07:12:14 -39.4 Dark Up 21.3 230.3 Low 06:57:14 - 07:27:14 2800
Cedarville 07:12:10 -39.2 Dark Up 20.3 231.2 Low 06:57:10 - 07:27:10 2786
Susanville 07:12:12 -40.2 Dark Up 21.3 231.2 Low 06:57:12 - 07:27:12 2708
Greenville 07:12:12 -40.4 Dark Up 21.6 231.0 Low 06:57:12 - 07:27:12 2698
Gimple 07:12:13 -40.4 Dark Up 21.6 231.1 Low 06:57:13 - 07:27:13 2693
Quincy 07:12:12 -40.6 Dark Up 21.8 231.1 Low 06:57:12 - 07:27:12 2679
Portola 07:12:14 -40.8 Dark Up 21.6 231.5 Low 06:57:14 - 07:27:14 2645
Reno 07:12:11 -41.2 Dark Up 21.3 232.1 Low 06:57:11 - 07:27:11 2590
Carson City 07:12:12 -41.5 Dark Up 21.5 232.2 Low 06:57:12 - 07:27:12 2557
Gardnerville 07:12:11 -41.8 Dark Up 21.7 232.4 Low 06:57:11 - 07:27:11 2532
Yerington 07:12:08 -41.8 Dark Up 21.3 232.8 Low 06:57:08 - 07:27:08 2509
Hawthorne 07:12:07 -42.4 Dark Up 21.2 233.4 Low 06:57:07 - 07:27:07 2442
Lee Vining 07:12:09 -42.8 Dark Up 21.9 233.2 Low 06:57:09 - 07:27:09 2413
Tonopah 07:12:04 -43.1 Dark Up 20.6 234.6 Low 06:57:04 - 07:27:04 2332
Bishop 07:12:08 -43.6 Dark Up 21.8 233.9 Low 06:57:08 - 07:27:08 2323
Beatty 07:12:04 -44.3 Dark Up 21.0 235.4 Low 06:57:04 - 07:27:04 2203
Indian Springs 07:12:01 -44.8 Dark Up 20.5 236.3 Low 06:57:01 - 07:27:01 2121
Henderson 07:12:00 -45.4 Dark Up 20.3 237.0 Low 06:57:00 - 07:27:00 2038
Dunrhomin 07:11:35 -41.6 Dark Up 11.6 243.0 Really Low 06:56:35 - 07:26:35 2034
Wildwood 07:12:12 -46.7 Dark Up 23.8 234.9 Low 06:57:12 - 07:27:12 2031
CU-SBO 07:11:36 -41.9 Dark Up 11.7 243.0 Really Low 06:56:36 - 07:26:36 2013
Laughlin/Bullhead City 07:11:59 -46.3 Dark Up 20.5 237.5 Low 06:56:59 - 07:26:59 1937
Patrick 07:11:57 -46.2 Dark Up 19.9 238.0 Really Low 06:56:57 - 07:26:57 1927
Kingman/Dolan Springs 07:11:58 -46.4 Dark Up 20.1 237.9 Low 06:56:58 - 07:26:58 1915
Mohave Valley 07:12:00 -46.6 Dark Up 20.6 237.6 Low 06:57:00 - 07:27:00 1911
Idyllwild 07:12:07 -47.4 Dark Up 22.7 236.5 Low 06:57:07 - 07:27:07 1904
Lake Havasu City 07:11:59 -47.0 Dark Up 20.7 237.9 Low 06:56:59 - 07:26:59 1861
Parker 07:12:00 -47.4 Dark Up 20.8 238.1 Low 06:57:00 - 07:27:00 1826
Calipatria 07:12:06 -48.2 Dark Up 22.2 237.5 Low 06:57:06 - 07:27:06 1789
Yuma 07:12:03 -48.8 Dark Up 21.8 238.3 Low 06:57:03 - 07:27:03 1704
George/Scottsdale 07:11:54 -48.1 Dark Up 19.3 239.9 Really Low 06:56:54 - 07:26:54 1672

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 533396, (2028/09/01 07:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 34.24  60
Nunki          18:55:15.9 -26:17:49  2.0 14.56  28
PPM 234743     18:35:02.5 -10:58:38  5.0  2.00  33
PPM 234848     18:39:26.6 -12:14:52  8.0  0.61  31
PPM 234900     18:41:41.4 -12:06:44  9.2  0.04  31
533396         18:41:50.4 -12:05:16 16.5        31
Positions are for J2000

Event circumstances last updated at 2022/02/16 01:32:29 UT

Marc W. Buie, Southwest Research Institute

RECON