RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0780:16508642 with event index number of 2591865

Geocentric closest approach at 2028/05/30 10:12:41 UTC

J2000 position of star is 18:52:59.7 -11:24:24
Equinox of date position of star is 18:54:13.5 -11:22:41
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 22.9 AU from the Sun and 22.1 AU from the Earth.
The TNO is moving 18.4 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 316 seconds.
The 1-sigma cross-track error in the shadow position is 1838 km.
The sky-plane scale is 16000.5 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 4.3 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2028/05/30 10:13UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.3 -26:29:33  0.9 36.96 102
Nunki          18:57:01.5 -26:15:31  2.0 14.90 134
PPM 235005     18:48:17.3 -10:05:33  5.9  2.00 133
PPM 235138     18:53:16.5 -10:44:53  8.5  0.70 135
PPM 235162     18:54:34.3 -11:24:02  9.1  0.03 135
533396         18:54:34.5 -11:22:11 16.8       135
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 2.8 sigma about the mid-time.
The median site spacing is 22.6 km RECON observability=0.7 and success probability=13.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:11:47 -5.2 CT Down 25.6 193.3 Low 09:56:47 - 10:26:47 1852
Kamloops 10:12:40 -11.7 NT Down 27.9 177.8 Low 09:57:40 - 10:27:40 1829
Kelowna 10:12:37 -12.1 AT Down 28.7 178.8 Low 09:57:37 - 10:27:37 1785
Peachland 10:12:38 -12.3 AT Down 28.8 178.4 Low 09:57:38 - 10:27:38 1779
Summerland 10:12:37 -12.4 AT Down 29.0 178.5 Low 09:57:37 - 10:27:37 1771
Penticton 10:12:37 -12.4 AT Down 29.1 178.7 Low 09:57:37 - 10:27:37 1767
Oliver 10:12:37 -12.7 AT Down 29.4 178.6 Low 09:57:37 - 10:27:37 1748
Anarchist Mountain Observatory 10:12:37 -12.8 AT Down 29.6 178.9 Low 09:57:37 - 10:27:37 1739
Tonasket 10:12:37 -13.1 AT Down 29.9 178.8 Low 09:57:37 - 10:27:37 1722
Victoria 10:12:53 -14.5 AT Down 29.9 174.3 Low 09:57:53 - 10:27:53 1718
Okanogan 10:12:38 -13.4 AT Down 30.2 178.6 Up 09:57:38 - 10:27:38 1703
Brewster 10:12:38 -13.7 AT Down 30.5 178.4 Up 09:57:38 - 10:27:38 1688
Manson/Chelan 10:12:40 -14.0 AT Down 30.7 178.0 Up 09:57:40 - 10:27:40 1677
Wenatchee 10:12:41 -14.5 AT Down 31.2 177.8 Up 09:57:41 - 10:27:41 1650
Ellensburg 10:12:42 -14.9 AT Down 31.6 177.5 Up 09:57:42 - 10:27:42 1627
Yakima 10:12:42 -15.2 AT Down 32.0 177.5 Up 09:57:42 - 10:27:42 1603
Toppenish/White Swan 10:12:41 -15.4 AT Down 32.2 177.7 Up 09:57:41 - 10:27:41 1590
PNWRO 10:12:35 -15.1 AT Down 32.6 179.4 Up 09:57:35 - 10:27:35 1565
Goldendale 10:12:43 -16.0 AT Down 32.7 177.2 Up 09:57:43 - 10:27:43 1558
The Dalles 10:12:45 -16.3 AT Down 32.9 176.7 Up 09:57:45 - 10:27:45 1545
Maupin 10:12:44 -16.6 AT Down 33.4 176.8 Up 09:57:44 - 10:27:44 1520
Sisters 10:12:47 -17.6 AT Down 34.2 176.2 Up 09:57:47 - 10:27:47 1467
Bend 10:12:46 -17.7 AT Down 34.5 176.5 Up 09:57:46 - 10:27:46 1451
Oregon Observatory 10:12:46 -17.9 AT Down 34.6 176.4 Up 09:57:46 - 10:27:46 1441
North Lake 10:12:44 -18.2 Dark Down 35.3 177.0 Up 09:57:44 - 10:27:44 1399
Chiloquin 10:12:49 -19.1 Dark Down 35.9 175.8 Up 09:57:49 - 10:27:49 1357
Klamath Falls 10:12:48 -19.4 Dark Down 36.3 175.9 Up 09:57:48 - 10:27:48 1334
Lakeview 10:12:42 -18.9 Dark Down 36.4 177.6 Up 09:57:42 - 10:27:42 1329
Cedarville 10:12:41 -19.4 Dark Down 37.0 177.8 Up 09:57:41 - 10:27:41 1285
Fall River/Burney 10:12:47 -20.3 Dark Down 37.5 176.3 Up 09:57:47 - 10:27:47 1255
Susanville 10:12:44 -20.5 Dark Down 38.1 177.2 Up 09:57:44 - 10:27:44 1211
Greenville 10:12:46 -20.8 Dark Down 38.4 176.8 Up 09:57:46 - 10:27:46 1192
Gimple 10:12:45 -20.8 Dark Down 38.4 176.9 Up 09:57:45 - 10:27:45 1192
Quincy 10:12:46 -21.0 Dark Down 38.6 176.8 Up 09:57:46 - 10:27:46 1178
Portola 10:12:43 -20.9 Dark Down 38.7 177.4 Up 09:57:43 - 10:27:43 1169
Reno 10:12:40 -20.9 Dark Down 39.0 178.2 Up 09:57:40 - 10:27:40 1148
Dunrhomin 10:11:35 -13.3 AT Down 37.0 195.9 Up 09:56:35 - 10:26:35 1133
Carson City 10:12:41 -21.2 Dark Down 39.4 178.2 Up 09:57:41 - 10:27:41 1123
CU-SBO 10:11:35 -13.5 AT Down 37.2 195.9 Up 09:56:35 - 10:26:35 1117
Yerington 10:12:38 -21.1 Dark Down 39.6 179.0 Up 09:57:38 - 10:27:38 1108
Gardnerville 10:12:41 -21.4 Dark Down 39.6 178.2 Up 09:57:41 - 10:27:41 1106
Hawthorne 10:12:35 -21.2 Dark Down 40.1 179.6 Up 09:57:35 - 10:27:35 1073
Tonopah 10:12:29 -21.0 Dark Down 40.5 181.4 Up 09:57:29 - 10:27:29 1036
Lee Vining 10:12:38 -21.9 Dark Down 40.6 179.0 Up 09:57:38 - 10:27:38 1035
Bishop 10:12:34 -22.1 Dark Down 41.2 179.9 Up 09:57:34 - 10:27:34 989
Beatty 10:12:27 -21.7 Dark Down 41.7 182.0 Up 09:57:27 - 10:27:27 949
Indian Springs 10:12:21 -21.4 Dark Down 42.0 183.4 Up 09:57:21 - 10:27:21 921
Henderson 10:12:18 -21.5 Dark Down 42.5 184.4 Up 09:57:18 - 10:27:18 878
Patrick 10:12:13 -21.4 Dark Down 43.0 185.9 Up 09:57:13 - 10:27:13 826
Kingman/Dolan Springs 10:12:14 -21.7 Dark Down 43.2 185.7 Up 09:57:14 - 10:27:14 810
Laughlin/Bullhead City 10:12:16 -22.0 Dark Down 43.3 185.0 Up 09:57:16 - 10:27:16 810
Mohave Valley 10:12:16 -22.2 Dark Down 43.6 185.0 Up 09:57:16 - 10:27:16 789
Lake Havasu City 10:12:15 -22.4 Dark Down 43.9 185.4 Up 09:57:15 - 10:27:15 757
Wildwood 10:12:36 -24.8 Dark Down 44.5 179.7 Up 09:57:36 - 10:27:36 742
Parker 10:12:15 -22.6 Dark Down 44.3 185.4 Up 09:57:15 - 10:27:15 730
Idyllwild 10:12:27 -24.2 Dark Down 44.8 182.2 Up 09:57:27 - 10:27:27 709
George/Scottsdale 10:12:03 -21.7 Dark Down 44.5 188.8 Up 09:57:03 - 10:27:03 686
Calipatria 10:12:21 -24.0 Dark Down 45.4 183.9 Up 09:57:21 - 10:27:21 655
Yuma 10:12:16 -23.9 Dark Down 45.8 185.1 Up 09:57:16 - 10:27:16 617

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, (2028/05/30 10:13UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 36.96 102
Nunki          18:55:15.9 -26:17:49  2.0 14.90 134
PPM 235005     18:46:43.3 -10:07:30  5.9  2.00 133
PPM 235138     18:51:42.1 -10:47:02  8.5  0.70 135
PPM 235162     18:52:59.4 -11:26:15  9.1  0.03 135
533396         18:52:59.7 -11:24:24 16.8       135
Positions are for J2000

Event circumstances last updated at 2022/02/13 02:48:44 UT

Marc W. Buie, Southwest Research Institute

RECON