RECON: TNO occultation with 533562

Event between (533562) 14JQ80 and star GA0700:10631156 with event index number of 2243481

Geocentric closest approach at 2028/04/27 08:02:21 UTC

J2000 position of star is 17:26:00.9 -19:13:10
Equinox of date position of star is 17:27:19.1 -19:14:15
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 164 degrees from the moon. Moon is 7% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 33.3 AU from the Sun and 32.5 AU from the Earth.
The TNO is moving 15.3 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 364 seconds.
The 1-sigma cross-track error in the shadow position is 2264 km.
The sky-plane scale is 23605.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 13.3 sec chord
Diameter=83.0 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 533562, (2028/04/27 08:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:08.9 -26:29:32  0.9 14.89 178
35Eta Oph      17:12:00.3 -15:45:29  2.6  5.11 165
PPM 233026     17:26:16.7 -18:28:10  6.4  0.84 164
PPM 233004     17:24:56.4 -19:28:24  8.3  0.69 164
PPM 233054     17:27:29.0 -19:19:05  8.9  0.09 164
533562         17:27:41.1 -19:14:32 16.6       163
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 2.5 sigma about the mid-time.
The median site spacing is 16.2 km RECON observability=0.3 and success probability=9.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:05:12 -22.4 Dark Down 14.0 150.6 Really Low 07:50:12 - 08:20:12 525
Kamloops 08:06:06 -25.3 Dark Down 9.9 137.8 Really Low 07:51:06 - 08:21:06 174
Kelowna 08:06:06 -26.1 Dark Down 10.9 138.5 Really Low 07:51:06 - 08:21:06 150
Peachland 08:06:08 -26.2 Dark Down 10.9 138.2 Really Low 07:51:08 - 08:21:08 138
Summerland 08:06:08 -26.3 Dark Down 11.0 138.3 Really Low 07:51:08 - 08:21:08 132
Penticton 08:06:08 -26.4 Dark Down 11.1 138.3 Really Low 07:51:08 - 08:21:08 130
Oliver 08:06:09 -26.7 Dark Down 11.4 138.3 Really Low 07:51:09 - 08:21:09 111
Anarchist Mountain Observatory 08:06:09 -26.9 Dark Down 11.6 138.4 Really Low 07:51:09 - 08:21:09 107
Tonasket 08:06:10 -27.2 Dark Down 11.8 138.3 Really Low 07:51:10 - 08:21:10 88
Okanogan 08:06:12 -27.6 Dark Down 12.0 138.2 Really Low 07:51:12 - 08:21:12 66
Brewster 08:06:13 -27.8 Dark Down 12.1 138.0 Really Low 07:51:13 - 08:21:13 46
Manson/Chelan 08:06:15 -28.0 Dark Down 12.1 137.6 Really Low 07:51:15 - 08:21:15 26
Wenatchee 08:06:17 -28.5 Dark Down 12.4 137.4 Really Low 07:51:17 - 08:21:17 -5
Victoria 08:06:23 -27.4 Dark Down 10.1 135.0 Really Low 07:51:23 - 08:21:23 -12
Ellensburg 08:06:20 -28.9 Dark Down 12.6 137.2 Really Low 07:51:20 - 08:21:20 -34
PNWRO 08:06:17 -29.9 Dark Down 14.1 138.4 Really Low 07:51:17 - 08:21:17 -54
Yakima 08:06:21 -29.4 Dark Down 12.9 137.1 Really Low 07:51:21 - 08:21:21 -58
Toppenish/White Swan 08:06:21 -29.6 Dark Down 13.1 137.2 Really Low 07:51:21 - 08:21:21 -67
Dunrhomin 08:05:36 -33.5 Dark Down 24.5 149.3 Low 07:50:36 - 08:20:36 -94
Goldendale 08:06:24 -30.1 Dark Down 13.3 136.8 Really Low 07:51:24 - 08:21:24 -110
The Dalles 08:06:26 -30.4 Dark Down 13.3 136.4 Really Low 07:51:26 - 08:21:26 -132
Maupin 08:06:27 -30.8 Dark Down 13.7 136.5 Really Low 07:51:27 - 08:21:27 -155
Sisters 08:06:32 -31.7 Dark Down 14.1 135.9 Really Low 07:51:32 - 08:21:32 -221
Bend 08:06:32 -31.9 Dark Down 14.4 136.1 Really Low 07:51:32 - 08:21:32 -230
Oregon Observatory 08:06:33 -32.1 Dark Down 14.4 136.0 Really Low 07:51:33 - 08:21:33 -244
North Lake 08:06:33 -32.7 Dark Down 15.2 136.3 Really Low 07:51:33 - 08:21:33 -271
Lakeview 08:06:34 -33.7 Dark Down 16.2 136.6 Really Low 07:51:34 - 08:21:34 -326
Chiloquin 08:06:38 -33.4 Dark Down 15.2 135.4 Really Low 07:51:38 - 08:21:38 -339
Klamath Falls 08:06:39 -33.7 Dark Down 15.4 135.4 Really Low 07:51:39 - 08:21:39 -359
Cedarville 08:06:36 -34.4 Dark Down 16.8 136.6 Really Low 07:51:36 - 08:21:36 -364
Fall River/Burney 08:06:41 -34.9 Dark Down 16.5 135.5 Really Low 07:51:41 - 08:21:41 -428
Susanville 08:06:40 -35.5 Dark Down 17.3 136.0 Really Low 07:51:40 - 08:21:40 -451
Gimple 08:06:42 -35.8 Dark Down 17.4 135.7 Really Low 07:51:42 - 08:21:42 -476
Greenville 08:06:42 -35.8 Dark Down 17.4 135.7 Really Low 07:51:42 - 08:21:42 -478
Portola 08:06:41 -36.1 Dark Down 17.9 136.0 Really Low 07:51:41 - 08:21:41 -488
Reno 08:06:40 -36.4 Dark Down 18.4 136.4 Really Low 07:51:40 - 08:21:40 -489
Quincy 08:06:43 -36.0 Dark Down 17.5 135.6 Really Low 07:51:43 - 08:21:43 -492
Yerington 08:06:39 -36.9 Dark Down 19.2 136.9 Really Low 07:51:39 - 08:21:39 -510
Carson City 08:06:41 -36.7 Dark Down 18.7 136.4 Really Low 07:51:41 - 08:21:41 -513
Tonopah 08:06:33 -37.7 Dark Down 20.9 138.2 Low 07:51:33 - 08:21:33 -525
Hawthorne 08:06:38 -37.3 Dark Down 19.8 137.2 Really Low 07:51:38 - 08:21:38 -529
Gardnerville 08:06:41 -37.0 Dark Down 18.9 136.4 Really Low 07:51:41 - 08:21:41 -529
Lee Vining 08:06:41 -37.9 Dark Down 19.9 136.6 Really Low 07:51:41 - 08:21:41 -581
Indian Springs 08:06:30 -39.0 Dark Down 22.8 139.1 Low 07:51:30 - 08:21:30 -591
Beatty 08:06:34 -38.8 Dark Down 22.0 138.3 Low 07:51:34 - 08:21:34 -595
Bishop 08:06:40 -38.5 Dark Down 20.8 137.1 Low 07:51:40 - 08:21:40 -605
Henderson 08:06:29 -39.5 Dark Down 23.5 139.6 Low 07:51:29 - 08:21:29 -611
Patrick 08:06:25 -39.9 Dark Down 24.6 140.3 Low 07:51:25 - 08:21:25 -628
Kingman/Dolan Springs 08:06:26 -40.2 Dark Down 24.7 140.1 Low 07:51:26 - 08:21:26 -649
Laughlin/Bullhead City 08:06:29 -40.3 Dark Down 24.4 139.7 Low 07:51:29 - 08:21:29 -664
Mohave Valley 08:06:29 -40.5 Dark Down 24.6 139.6 Low 07:51:29 - 08:21:29 -684
George/Scottsdale 08:06:19 -41.2 Dark Down 27.0 141.6 Low 07:51:19 - 08:21:19 -700
Lake Havasu City 08:06:29 -40.9 Dark Down 25.1 139.7 Low 07:51:29 - 08:21:29 -707
Parker 08:06:30 -41.2 Dark Down 25.4 139.6 Low 07:51:30 - 08:21:30 -732
Idyllwild 08:06:41 -41.9 Dark Down 24.4 137.5 Low 07:51:41 - 08:21:41 -826
Calipatria 08:06:37 -42.4 Dark Down 25.5 138.3 Low 07:51:37 - 08:21:37 -841
Yuma 08:06:34 -42.7 Dark Down 26.3 138.9 Low 07:51:34 - 08:21:34 -850
Wildwood 08:06:49 -41.7 Dark Down 23.0 136.0 Low 07:51:49 - 08:21:49 -851

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 533562, (2028/04/27 08:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.89 178
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.11 165
PPM 233026     17:24:37.1 -18:26:45  6.4  0.84 164
PPM 233004     17:23:16.1 -19:26:55  8.3  0.69 164
PPM 233054     17:25:48.8 -19:17:42  8.9  0.09 164
533562         17:26:00.9 -19:13:10 16.6       164
Positions are for J2000

Event circumstances last updated at 2022/02/10 00:55:59 UT

Marc W. Buie, Southwest Research Institute

RECON