RECON: TNO occultation with 523752

Event between (523752) 14VU37 and star GA1080:00728206 with event index number of 2615127

Geocentric closest approach at 2022/10/20 04:46:04 UTC

J2000 position of star is 04:54:07.7 +19:36:37
Equinox of date position of star is 04:55:25.5 +19:38:41
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 70 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=21.4

[RECON map]
TNO is 42.3 AU from the Sun and 41.6 AU from the Earth.
The TNO is moving 16.7 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is 1632 km.
The sky-plane scale is 30207.1 km/arcsec.

The TNO has an absolute magnitude Hv=5.1
Diameter=586.2 km assuming a 5% albedo -- 35.1 sec chord
Diameter=239.3 km assuming a 30% albedo -- 14.3 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 523752, (2022/10/20 04:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.9 +16:33:12  0.8  5.32  75
Alnath         05:27:44.1 +28:37:28  1.6 11.60  61
97 Tau         04:52:42.6 +18:52:36  5.1  1.01  71
PPM 120385     04:56:19.0 +19:31:13  7.2  0.24  70
PPM 120380     04:56:10.8 +19:48:20 11.2  0.23  70
523752         04:55:28.3 +19:38:45 16.6        70
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 0.0 km RECON observability=0.0 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 04:48:32 -35.7 Dark Down 13.1 75.0 Really Low 04:38:11 - 04:58:53 4650
Victoria 04:48:42 -35.1 Dark Down 10.6 72.4 Really Low 04:38:21 - 04:59:03 4634
Peachland 04:48:38 -36.5 Dark Down 13.3 75.2 Really Low 04:38:17 - 04:58:59 4602
Kelowna 04:48:37 -36.6 Dark Down 13.5 75.5 Really Low 04:38:16 - 04:58:58 4600
Summerland 04:48:39 -36.7 Dark Down 13.3 75.3 Really Low 04:38:18 - 04:59:00 4595
Penticton 04:48:39 -36.8 Dark Down 13.4 75.3 Really Low 04:38:18 - 04:59:00 4589
Oliver 04:48:42 -37.0 Dark Down 13.3 75.3 Really Low 04:38:21 - 04:59:03 4576
Anarchist Mountain Observatory 04:48:43 -37.2 Dark Down 13.4 75.4 Really Low 04:38:22 - 04:59:04 4565
Tonasket 04:48:45 -37.3 Dark Down 13.2 75.2 Really Low 04:38:24 - 04:59:06 4554
Okanogan 04:48:46 -37.4 Dark Down 13.1 75.1 Really Low 04:38:25 - 04:59:07 4544
Brewster 04:48:48 -37.4 Dark Down 12.9 74.9 Really Low 04:38:27 - 04:59:09 4537
Manson/Chelan 04:48:48 -37.3 Dark Down 12.6 74.6 Really Low 04:38:27 - 04:59:09 4537
Wenatchee 04:48:50 -37.5 Dark Down 12.3 74.3 Really Low 04:38:29 - 04:59:11 4521
Ellensburg 04:48:53 -37.5 Dark Down 12.1 74.1 Really Low 04:38:32 - 04:59:14 4509
Yakima 04:48:56 -37.7 Dark Down 12.0 74.0 Really Low 04:38:35 - 04:59:17 4492
Toppenish/White Swan 04:48:57 -38.0 Dark Down 12.0 74.1 Really Low 04:38:36 - 04:59:18 4479
Goldendale 04:49:00 -38.0 Dark Down 11.6 73.7 Really Low 04:38:39 - 04:59:21 4465
The Dalles 04:49:01 -37.9 Dark Down 11.3 73.4 Really Low 04:38:40 - 04:59:22 4463
Maupin 04:49:03 -38.1 Dark Down 11.2 73.4 Really Low 04:38:42 - 04:59:24 4442
PNWRO 04:49:00 -39.0 Dark Down 12.9 75.1 Really Low 04:38:39 - 04:59:21 4427
Sisters 04:49:08 -38.2 Dark Down 10.7 72.9 Really Low 04:38:47 - 04:59:29 4413
Bend 04:49:09 -38.5 Dark Down 10.8 73.1 Really Low 04:38:48 - 04:59:30 4396
Oregon Observatory 04:49:11 -38.5 Dark Down 10.6 73.0 Really Low 04:38:50 - 04:59:32 4391
Sleaford 04:48:25 -41.7 Dark Down 22.2 86.2 Low 04:38:04 - 04:58:46 4364
North Lake 04:49:14 -39.1 Dark Down 10.8 73.2 Really Low 04:38:53 - 04:59:35 4347
Chiloquin 04:49:18 -38.8 Dark Down 10.0 72.5 Really Low 04:38:57 - 04:59:39 4337
Klamath Falls 04:49:20 -39.0 Dark Down 9.9 72.5 Really Low 04:38:59 - 04:59:41 4318
Lakeview 04:49:21 -40.0 Dark Down 11.0 73.4 Really Low 04:39:00 - 04:59:42 4281
Fall River/Burney 04:49:25 -39.8 Dark Down 9.9 72.5 Really Low 04:39:04 - 04:59:46 4249
Cedarville 04:49:25 -40.4 Dark Down 10.9 73.4 Really Low 04:39:04 - 04:59:46 4243
Susanville 04:49:29 -40.6 Dark Down 10.2 72.9 Really Low 04:39:08 - 04:59:50 4197
Greenville 04:49:31 -40.5 Dark Down 10.0 72.7 Really Low 04:39:10 - 04:59:52 4189
Gimple 04:49:33 -40.6 Dark Down 10.0 72.7 Really Low 04:39:12 - 04:59:54 4187
Quincy 04:49:33 -40.6 Dark Down 9.9 72.6 Really Low 04:39:12 - 04:59:54 4178
Portola 04:49:33 -41.0 Dark Down 10.2 72.9 Really Low 04:39:12 - 04:59:54 4159
Reno 04:49:37 -41.6 Dark Down 10.6 73.3 Really Low 04:39:16 - 04:59:58 4128
Carson City 04:49:37 -41.7 Dark Down 10.5 73.2 Really Low 04:39:16 - 04:59:58 4107
Gardnerville 04:49:40 -41.9 Dark Down 10.5 73.2 Really Low 04:39:19 - 05:00:01 4092
Yerington 04:49:40 -42.3 Dark Down 11.0 73.6 Really Low 04:39:19 - 05:00:01 4079
Hawthorne 04:49:43 -42.8 Dark Down 11.2 73.8 Really Low 04:39:22 - 05:00:04 4039
Lee Vining 04:49:45 -42.7 Dark Down 10.7 73.4 Really Low 04:39:24 - 05:00:06 4020
Tonopah 04:49:45 -44.0 Dark Down 12.2 74.5 Really Low 04:39:24 - 05:00:06 3973
Bishop 04:49:48 -43.5 Dark Down 11.1 73.7 Really Low 04:39:27 - 05:00:09 3965
Beatty 04:49:53 -44.9 Dark Down 12.3 74.6 Really Low 04:39:32 - 05:00:14 3890
Indian Springs 04:49:55 -45.8 Dark Down 13.0 75.1 Really Low 04:39:34 - 05:00:16 3839
Henderson 04:49:58 -46.6 Dark Down 13.4 75.3 Really Low 04:39:37 - 05:00:19 3785
Wildwood 04:50:06 -44.7 Dark Down 10.1 73.1 Really Low 04:39:45 - 05:00:27 3769
Dunrhomin 04:49:35 -50.6 Dark Down 21.7 82.2 Low 04:39:14 - 04:59:56 3738
Laughlin/Bullhead City 04:50:03 -47.3 Dark Down 13.5 75.4 Really Low 04:39:42 - 05:00:24 3717
Patrick 04:50:02 -47.7 Dark Down 14.2 75.8 Really Low 04:39:41 - 05:00:23 3712
Kingman/Dolan Springs 04:50:03 -47.6 Dark Down 14.0 75.6 Really Low 04:39:42 - 05:00:24 3703
Mohave Valley 04:50:04 -47.4 Dark Down 13.5 75.3 Really Low 04:39:43 - 05:00:25 3700
Idyllwild 04:50:09 -46.3 Dark Down 11.5 74.0 Really Low 04:39:48 - 05:00:30 3691
Lake Havasu City 04:50:06 -47.8 Dark Down 13.6 75.4 Really Low 04:39:45 - 05:00:27 3666
Parker 04:50:08 -47.9 Dark Down 13.5 75.3 Really Low 04:39:47 - 05:00:29 3642
Calipatria 04:50:11 -47.4 Dark Down 12.3 74.4 Really Low 04:39:50 - 05:00:32 3614
Yuma 04:50:15 -48.3 Dark Down 12.9 74.8 Really Low 04:39:54 - 05:00:36 3557
George/Scottsdale 04:50:11 -50.0 Dark Down 15.4 76.4 Really Low 04:39:50 - 05:00:32 3537

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 523752, (2022/10/20 04:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  5.32  75
Alnath         05:26:17.6 +28:36:23  1.6 11.60  61
97 Tau         04:51:22.6 +18:50:23  5.1  1.01  71
PPM 120385     04:54:58.5 +19:29:07  7.2  0.24  70
PPM 120380     04:54:50.2 +19:46:13 11.2  0.23  70
523752         04:54:07.7 +19:36:37 16.6        70
Positions are for J2000

Event circumstances last updated at 2022/01/10 00:03:39 UT

Marc W. Buie, Southwest Research Institute

RECON