RECON: TNO occultation with 533210

Event between (533210) 14DT143 and star GA0800:04918093 with event index number of 2348562

Geocentric closest approach at 2027/05/03 08:27:09 UTC

J2000 position of star is 15:52:37.8 -09:16:55
Equinox of date position of star is 15:53:54.1 -09:21:01
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon. Moon is 11% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 36.5 AU from the Sun and 35.6 AU from the Earth.
Apparent velocity is 22.9 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 226 seconds.
The 1-sigma cross-track error in the shadow position is 2431 km.
The sky-plane scale is 25813.0 km/arcsec.

The object has an absolute magnitude Hv=6.9
Diameter=243.2 km assuming a 5% albedo -- 10.7 sec chord
Diameter=99.3 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 533210, (2027/05/03 08:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:05.3 -26:29:25  0.9 19.23 114
1Del Oph       16:15:46.9 -03:45:45  2.7  7.76 118
50 Lib         16:02:16.4 -08:29:12  5.5  2.20 122
PPM 198996     15:51:36.9 -09:30:32  8.4  0.63 125
PPM 199036     15:53:57.5 -09:29:15  9.6  0.13 124
533210         15:54:06.9 -09:21:42 16.7       124
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 4.0 sigma about the mid-time.
The median site spacing is 13.9 km RECON observability=1.0 and success probability=2.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:28:30 -19.6 Dark Down 28.5 184.6 Low 08:13:30 - 08:43:30 6873
Kamloops 08:29:09 -23.3 Dark Down 29.4 168.4 Low 08:14:09 - 08:44:09 6414
Kelowna 08:29:07 -24.1 Dark Down 30.3 169.3 Up 08:14:07 - 08:44:07 6392
Peachland 08:29:07 -24.2 Dark Down 30.4 169.0 Up 08:14:07 - 08:44:07 6377
Summerland 08:29:06 -24.3 Dark Down 30.5 169.1 Up 08:14:06 - 08:44:06 6371
Penticton 08:29:06 -24.4 Dark Down 30.6 169.2 Up 08:14:06 - 08:44:06 6370
Oliver 08:29:06 -24.7 Dark Down 31.0 169.1 Up 08:14:06 - 08:44:06 6349
Anarchist Mountain Observatory 08:29:05 -24.9 Dark Down 31.1 169.3 Up 08:14:05 - 08:44:05 6345
Okanogan 08:29:05 -25.5 Dark Down 31.8 169.0 Up 08:14:05 - 08:44:05 6299
Brewster 08:29:06 -25.8 Dark Down 32.0 168.8 Up 08:14:06 - 08:44:06 6277
Manson/Chelan 08:29:07 -26.1 Dark Down 32.1 168.3 Up 08:14:07 - 08:44:07 6253
Dunrhomin 08:28:13 -30.3 Dark Down 40.3 186.2 Up 08:13:13 - 08:43:13 6231
Wenatchee 08:29:08 -26.6 Dark Down 32.6 168.1 Up 08:14:08 - 08:44:08 6219
Nikitin 08:28:12 -30.4 Dark Down 40.5 186.1 Up 08:13:12 - 08:43:12 6218
CU-SBO 08:28:12 -30.5 Dark Down 40.5 186.0 Up 08:13:12 - 08:43:12 6211
Victoria 08:29:16 -25.7 Dark Down 31.0 164.7 Up 08:14:16 - 08:44:16 6196
Ellensburg 08:29:08 -27.0 Dark Down 33.0 167.7 Up 08:14:08 - 08:44:08 6186
PNWRO 08:29:02 -27.8 Dark Down 34.2 169.5 Up 08:14:02 - 08:44:02 6174
Yakima 08:29:08 -27.4 Dark Down 33.4 167.7 Up 08:14:08 - 08:44:08 6160
Toppenish/White Swan 08:29:07 -27.6 Dark Down 33.6 167.8 Up 08:14:07 - 08:44:07 6151
The Dalles 08:29:09 -28.4 Dark Down 34.2 166.8 Up 08:14:09 - 08:44:09 6077
Maupin 08:29:09 -28.8 Dark Down 34.7 166.8 Up 08:14:09 - 08:44:09 6053
Sisters 08:29:09 -29.8 Dark Down 35.4 166.1 Up 08:14:09 - 08:44:09 5979
Bend 08:29:09 -30.0 Dark Down 35.7 166.4 Up 08:14:09 - 08:44:09 5971
Oregon Observatory 08:29:09 -30.2 Dark Down 35.9 166.2 Up 08:14:09 - 08:44:09 5955
Chiloquin 08:29:10 -31.5 Dark Down 37.1 165.5 Up 08:14:10 - 08:44:10 5852
Cedarville 08:29:04 -32.4 Dark Down 38.4 167.3 Up 08:14:04 - 08:44:04 5835
Klamath Falls 08:29:10 -31.8 Dark Down 37.4 165.5 Up 08:14:10 - 08:44:10 5830
Fall River/Burney 08:29:07 -33.0 Dark Down 38.6 165.7 Up 08:14:07 - 08:44:07 5759
Gimple 08:29:05 -33.8 Dark Down 39.6 166.2 Up 08:14:05 - 08:44:05 5712
Greenville 08:29:06 -33.8 Dark Down 39.6 166.1 Up 08:14:06 - 08:44:06 5709
Reno 08:29:02 -34.3 Dark Down 40.4 167.4 Up 08:14:02 - 08:44:02 5705
Portola 08:29:04 -34.1 Dark Down 40.0 166.6 Up 08:14:04 - 08:44:04 5702
Quincy 08:29:06 -34.0 Dark Down 39.8 166.1 Up 08:14:06 - 08:44:06 5695
Yerington 08:28:59 -34.7 Dark Down 41.0 168.1 Up 08:13:59 - 08:43:59 5687
Carson City 08:29:01 -34.6 Dark Down 40.7 167.4 Up 08:14:01 - 08:44:01 5680
Hawthorne 08:28:56 -35.1 Dark Down 41.5 168.7 Up 08:13:56 - 08:43:56 5671
Gardnerville 08:29:01 -34.9 Dark Down 41.0 167.4 Up 08:14:01 - 08:44:01 5663
Beatty 08:28:49 -36.4 Dark Down 43.4 170.9 Up 08:13:49 - 08:43:49 5616
Lee Vining 08:28:58 -35.7 Dark Down 42.0 168.0 Up 08:13:58 - 08:43:58 5613
Patrick 08:28:37 -37.2 Dark Down 45.2 174.6 Up 08:13:37 - 08:43:37 5605
Bishop 08:28:54 -36.2 Dark Down 42.7 168.8 Up 08:13:54 - 08:43:54 5593
Laughlin/Bullhead City 08:28:40 -37.6 Dark Down 45.3 173.6 Up 08:13:40 - 08:43:40 5562
George/Scottsdale 08:28:28 -38.3 Dark Down 47.0 177.3 Up 08:13:28 - 08:43:28 5548
Lake Havasu City 08:28:38 -38.2 Dark Down 46.0 173.9 Up 08:13:38 - 08:43:38 5520
Idyllwild 08:28:46 -39.5 Dark Down 46.5 170.4 Up 08:13:46 - 08:43:46 5376
Calipatria 08:28:40 -39.8 Dark Down 47.3 172.0 Up 08:13:40 - 08:43:40 5371
Yuma 08:28:37 -40.0 Dark Down 47.8 173.2 Up 08:13:37 - 08:43:37 5369
Wildwood 08:28:53 -39.5 Dark Down 45.9 167.9 Up 08:13:53 - 08:43:53 5336

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 533210, (2027/05/03 08:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.23 114
1Del Oph       16:14:20.7 -03:41:43  2.7  7.76 118
50 Lib         16:00:47.6 -08:24:41  5.5  2.20 122
PPM 198996     15:50:07.7 -09:25:39  8.4  0.63 125
PPM 199036     15:52:28.2 -09:24:27  9.6  0.13 124
533210         15:52:37.8 -09:16:55 16.7       124
Positions are for J2000

Event circumstances last updated at 2023/05/29 02:58:51 UT

Marc W. Buie, Southwest Research Institute

RECON