RECON: TNO occultation with 523699

Event between (523699) 14GH54 and star GA0600:07320278 with event index number of 2620929

Geocentric closest approach at 2024/06/28 05:35:48 UTC

J2000 position of star is 15:09:48.6 -29:21:46
Equinox of date position of star is 15:11:17.4 -29:27:16
Stellar brightness G=14.6, 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 58% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 37.2 AU from the Sun and 36.5 AU from the Earth.
Apparent velocity is 16.1 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is 1704 km.
The sky-plane scale is 26440.9 km/arcsec.

The object has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 21.6 sec chord
Diameter=141.6 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 523699, (2024/06/28 05:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.8 -26:29:03  0.9 17.81 108
7Del Sco       16:01:47.2 -22:41:22  2.3 13.19 115
PPM 293455     15:08:02.8 -31:00:43  6.5  1.71 124
PPM 263858     15:10:11.7 -29:27:28  8.2  0.24 124
PPM 263883     15:11:02.6 -29:31:47  9.2  0.09 124
523699         15:11:17.5 -29:27:16 14.6       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 5.0 sigma about the mid-time.
The median site spacing is 7.1 km RECON observability=0.3 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)
Sleaford 05:36:20 -12.1 AT Down 5.1 203.8 Really Low 05:26:40 - 05:46:00 9566
Kelowna 05:37:07 -10.2 NT Down 9.8 192.5 Really Low 05:27:27 - 05:46:47 9380
Dunrhomin 05:35:55 -23.3 Dark Down 15.6 205.3 Really Low 05:26:15 - 05:45:35 9379
Kamloops 05:37:11 -9.2 NT Down 9.1 191.7 Really Low 05:27:31 - 05:46:51 9375
Penticton 05:37:06 -10.4 NT Down 10.1 192.4 Really Low 05:27:26 - 05:46:46 9374
Nikitin 05:35:55 -23.4 Dark Down 15.8 205.3 Really Low 05:26:15 - 05:45:35 9374
Peachland 05:37:09 -10.2 NT Down 9.9 192.3 Really Low 05:27:29 - 05:46:49 9374
Summerland 05:37:09 -10.4 NT Down 10.1 192.3 Really Low 05:27:29 - 05:46:49 9373
CU-SBO 05:35:55 -23.5 Dark Down 15.9 205.2 Really Low 05:26:15 - 05:45:35 9371
Anarchist Mountain Observatory 05:37:03 -11.0 NT Down 10.6 192.6 Really Low 05:27:23 - 05:46:43 9371
Oliver 05:37:06 -10.7 NT Down 10.5 192.5 Really Low 05:27:26 - 05:46:46 9369
Okanogan 05:37:04 -11.4 NT Down 11.3 192.5 Really Low 05:27:24 - 05:46:44 9356
Brewster 05:37:04 -11.6 NT Down 11.6 192.3 Really Low 05:27:24 - 05:46:44 9348
Manson/Chelan 05:37:07 -11.6 NT Down 11.8 192.0 Really Low 05:27:27 - 05:46:47 9338
Wenatchee 05:37:06 -11.9 NT Down 12.3 191.9 Really Low 05:27:26 - 05:46:46 9326
PNWRO 05:36:58 -13.6 AT Down 13.5 193.2 Really Low 05:27:18 - 05:46:38 9326
Ellensburg 05:37:07 -12.2 AT Down 12.7 191.7 Really Low 05:27:27 - 05:46:47 9315
Yakima 05:37:06 -12.5 AT Down 13.1 191.7 Really Low 05:27:26 - 05:46:46 9307
Toppenish/White Swan 05:37:04 -12.8 AT Down 13.3 191.8 Really Low 05:27:24 - 05:46:44 9306
Victoria 05:37:23 -9.9 NT Down 11.6 189.1 Really Low 05:27:43 - 05:47:03 9287
The Dalles 05:37:09 -13.1 AT Down 14.2 191.2 Really Low 05:27:29 - 05:46:49 9274
Maupin 05:37:07 -13.5 AT Down 14.6 191.3 Really Low 05:27:27 - 05:46:47 9267
Sisters 05:37:06 -14.0 AT Down 15.5 190.9 Really Low 05:27:26 - 05:46:46 9237
Bend 05:37:06 -14.3 AT Down 15.7 191.1 Really Low 05:27:26 - 05:46:46 9237
Oregon Observatory 05:37:04 -14.4 AT Down 15.9 191.0 Really Low 05:27:24 - 05:46:44 9230
Cedarville 05:36:55 -16.8 AT Down 18.0 192.3 Really Low 05:27:15 - 05:46:35 9193
Chiloquin 05:37:05 -15.3 AT Down 17.3 190.7 Really Low 05:27:25 - 05:46:45 9187
Klamath Falls 05:37:04 -15.6 AT Down 17.6 190.8 Really Low 05:27:24 - 05:46:44 9179
Fall River/Burney 05:37:00 -16.7 AT Down 18.7 191.2 Really Low 05:27:20 - 05:46:40 9153
Reno 05:36:51 -18.6 Dark Down 19.9 192.7 Really Low 05:27:11 - 05:46:31 9139
Gimple 05:36:58 -17.6 AT Down 19.5 191.8 Really Low 05:27:18 - 05:46:38 9136
Yerington 05:36:45 -19.3 Dark Down 20.3 193.4 Low 05:27:05 - 05:46:25 9135
Portola 05:36:53 -18.1 Dark Down 19.8 192.1 Really Low 05:27:13 - 05:46:33 9134
Greenville 05:36:56 -17.6 AT Down 19.5 191.7 Really Low 05:27:16 - 05:46:36 9134
Hawthorne 05:36:42 -19.9 Dark Down 20.7 193.9 Low 05:27:02 - 05:46:22 9130
Carson City 05:36:49 -18.9 Dark Down 20.3 192.8 Low 05:27:09 - 05:46:29 9128
Quincy 05:36:56 -17.8 AT Down 19.7 191.7 Really Low 05:27:16 - 05:46:36 9128
Gardnerville 05:36:48 -19.1 Dark Down 20.5 192.8 Low 05:27:08 - 05:46:28 9121
Beatty 05:36:29 -22.1 Dark Down 21.9 195.7 Low 05:26:49 - 05:46:09 9109
Patrick 05:36:12 -24.5 Dark Down 22.7 198.4 Low 05:26:32 - 05:45:52 9105
Lee Vining 05:36:43 -20.2 Dark Down 21.3 193.5 Low 05:27:03 - 05:46:23 9101
Bishop 05:36:39 -21.0 Dark Down 21.8 194.2 Low 05:26:59 - 05:46:19 9094
Laughlin/Bullhead City 05:36:15 -24.5 Dark Down 23.1 197.8 Low 05:26:35 - 05:45:55 9083
George/Scottsdale 05:35:58 -26.8 Dark Down 23.7 200.4 Low 05:26:18 - 05:45:38 9071
Lake Havasu City 05:36:12 -25.1 Dark Down 23.6 198.1 Low 05:26:32 - 05:45:52 9061
Idyllwild 05:36:23 -24.7 Dark Down 24.9 196.1 Low 05:26:43 - 05:46:03 8987
Calipatria 05:36:15 -25.8 Dark Down 25.3 197.2 Low 05:26:35 - 05:45:55 8983
Yuma 05:36:11 -26.5 Dark Down 25.4 198.1 Low 05:26:31 - 05:45:51 8981
Wildwood 05:36:34 -23.6 Dark Down 25.0 194.3 Low 05:26:54 - 05:46:14 8963

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 523699, (2024/06/28 05:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.81 108
7Del Sco       16:00:20.0 -22:37:19  2.3 13.19 115
PPM 293455     15:06:33.2 -30:55:07  6.5  1.71 124
PPM 263858     15:08:42.8 -29:21:55  8.2  0.24 124
PPM 263883     15:09:33.6 -29:26:15  9.2  0.09 124
523699         15:09:48.6 -29:21:46 14.6       124
Positions are for J2000

Event circumstances last updated at 2024/06/11 03:46:59 UT

Marc W. Buie, Southwest Research Institute

RECON