RECON: TNO occultation with 533207

Event between (533207) 14DJ143 and star GA0700:06893985 with event index number of 2592909

Geocentric closest approach at 2028/05/27 10:56:28 UTC

J2000 position of star is 16:47:58.9 -19:08:26
Equinox of date position of star is 16:49:25.0 -19:10:56
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon. Moon is 11% illuminated.
Apparent brightness V=22.3

[RECON map]
Object is 37.5 AU from the Sun and 36.5 AU from the Earth.
Apparent velocity is 24.3 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 157 seconds.
The 1-sigma cross-track error in the shadow position is 1585 km.
The sky-plane scale is 26467.8 km/arcsec.

The object has an absolute magnitude Hv=6.6
Diameter=289.7 km assuming a 5% albedo -- 12.1 sec chord
Diameter=118.3 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533207, (2028/05/27 11:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.2 -26:29:33  0.9  8.45 143
35Eta Oph      17:12:00.5 -15:45:29  2.6  6.34 151
PPM 232040     16:43:34.1 -19:58:35  5.8  1.63 145
PPM 232185     16:50:12.1 -19:20:17  8.3  0.20 147
PPM 232166     16:49:18.9 -19:15:20 10.0  0.10 147
533207         16:49:38.8 -19:11:20 16.6       147
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 5.0 sigma about the mid-time.
The median site spacing is 23.0 km RECON observability=0.4 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:55:15 -8.1 NT Down 13.0 215.7 Really Low 10:41:39 - 11:08:51 12735
Kelowna 10:55:11 -8.3 NT Down 13.3 216.6 Really Low 10:41:35 - 11:08:47 12697
Peachland 10:55:11 -8.5 NT Down 13.5 216.3 Really Low 10:41:35 - 11:08:47 12695
Summerland 10:55:11 -8.6 NT Down 13.6 216.4 Really Low 10:41:35 - 11:08:47 12688
Penticton 10:55:11 -8.6 NT Down 13.6 216.5 Really Low 10:41:35 - 11:08:47 12684
Victoria 10:55:19 -11.0 NT Down 15.9 213.3 Really Low 10:41:43 - 11:08:55 12671
Oliver 10:55:10 -8.9 NT Down 13.9 216.6 Really Low 10:41:34 - 11:08:46 12670
Anarchist Mountain Observatory 10:55:10 -8.9 NT Down 14.0 216.8 Really Low 10:41:34 - 11:08:46 12662
Sleaford 10:54:48 -0.6 Sun up Down 6.0 227.8 Really Low 10:41:12 - 11:08:24 12642
Okanogan 10:55:08 -9.5 NT Down 14.6 216.7 Really Low 10:41:32 - 11:08:44 12636
Brewster 10:55:08 -9.8 NT Down 14.9 216.5 Really Low 10:41:32 - 11:08:44 12626
Manson/Chelan 10:55:09 -10.1 NT Down 15.2 216.2 Really Low 10:41:33 - 11:08:45 12621
Wenatchee 10:55:08 -10.6 NT Down 15.6 216.2 Really Low 10:41:32 - 11:08:44 12601
Ellensburg 10:55:07 -11.0 NT Down 16.0 216.0 Really Low 10:41:31 - 11:08:43 12585
Yakima 10:55:07 -11.3 NT Down 16.4 216.1 Really Low 10:41:31 - 11:08:43 12567
Toppenish/White Swan 10:55:05 -11.4 NT Down 16.5 216.3 Really Low 10:41:29 - 11:08:41 12555
PNWRO 10:55:00 -11.0 NT Down 16.2 217.6 Really Low 10:41:24 - 11:08:36 12526
The Dalles 10:55:06 -12.3 AT Down 17.4 215.7 Really Low 10:41:30 - 11:08:42 12526
Maupin 10:55:05 -12.6 AT Down 17.7 215.9 Really Low 10:41:29 - 11:08:41 12505
Sisters 10:55:04 -13.5 AT Down 18.7 215.6 Really Low 10:41:28 - 11:08:40 12467
Bend 10:55:03 -13.5 AT Down 18.7 215.9 Really Low 10:41:27 - 11:08:39 12454
Oregon Observatory 10:55:04 -13.7 AT Down 18.9 215.8 Really Low 10:41:28 - 11:08:40 12446
Chiloquin 10:55:01 -14.9 AT Down 20.2 215.7 Low 10:41:25 - 11:08:37 12382
Klamath Falls 10:55:00 -15.2 AT Down 20.4 215.8 Low 10:41:24 - 11:08:36 12364
Cedarville 10:54:55 -14.9 AT Down 20.3 217.4 Low 10:41:19 - 11:08:31 12313
Fall River/Burney 10:54:57 -15.9 AT Down 21.2 216.4 Low 10:41:21 - 11:08:33 12297
Greenville 10:54:54 -16.3 AT Down 21.8 217.0 Low 10:41:18 - 11:08:30 12243
Gimple 10:54:54 -16.3 AT Down 21.7 217.1 Low 10:41:18 - 11:08:30 12242
Quincy 10:54:54 -16.5 AT Down 21.9 217.1 Low 10:41:18 - 11:08:30 12232
Portola 10:54:53 -16.3 AT Down 21.8 217.5 Low 10:41:17 - 11:08:29 12221
Reno 10:54:49 -16.2 AT Down 21.7 218.2 Low 10:41:13 - 11:08:25 12199
Carson City 10:54:49 -16.4 AT Down 22.0 218.3 Low 10:41:13 - 11:08:25 12178
Gardnerville 10:54:48 -16.6 AT Down 22.2 218.4 Low 10:41:12 - 11:08:24 12164
Yerington 10:54:47 -16.2 AT Down 21.8 218.9 Low 10:41:11 - 11:08:23 12161
Hawthorne 10:54:46 -16.3 AT Down 21.9 219.4 Low 10:41:10 - 11:08:22 12128
Lee Vining 10:54:45 -17.0 AT Down 22.6 219.2 Low 10:41:09 - 11:08:21 12100
Bishop 10:54:41 -17.0 AT Down 22.7 219.9 Low 10:41:05 - 11:08:17 12056
Dunrhomin 10:54:15 -7.4 NT Down 13.5 229.9 Really Low 10:40:39 - 11:07:51 12053
Nikitin 10:54:14 -7.5 NT Down 13.6 229.9 Really Low 10:40:38 - 11:07:50 12043
CU-SBO 10:54:15 -7.6 NT Down 13.7 229.8 Really Low 10:40:39 - 11:07:51 12040
Beatty 10:54:37 -16.4 AT Down 22.2 221.4 Low 10:41:01 - 11:08:13 12010
Patrick 10:54:26 -15.8 AT Down 21.8 224.2 Low 10:40:50 - 11:08:02 11880
Laughlin/Bullhead City 10:54:27 -16.4 AT Down 22.3 223.7 Low 10:40:51 - 11:08:03 11873
Wildwood 10:54:37 -19.5 Dark Down 25.3 220.7 Low 10:41:01 - 11:08:13 11850
Lake Havasu City 10:54:24 -16.7 AT Down 22.7 224.1 Low 10:40:48 - 11:08:00 11826
Idyllwild 10:54:30 -18.6 Dark Down 24.6 222.4 Low 10:40:54 - 11:08:06 11806
Calipatria 10:54:24 -18.3 Dark Down 24.4 223.5 Low 10:40:48 - 11:08:00 11749
George/Scottsdale 10:54:16 -15.6 AT Down 21.8 226.3 Low 10:40:40 - 11:07:52 11741
Yuma 10:54:22 -18.1 Dark Down 24.2 224.4 Low 10:40:46 - 11:07:58 11708

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 533207, (2028/05/27 11:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.45 143
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.34 151
PPM 232040     16:41:53.8 -19:55:27  5.8  1.63 145
PPM 232185     16:48:32.1 -19:17:24  8.3  0.20 147
PPM 232166     16:47:38.9 -19:12:25 10.0  0.10 147
533207         16:47:58.9 -19:08:26 16.6       147
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:29:23 UT

Marc W. Buie, Southwest Research Institute

RECON