RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0820:06145610 with event index number of 2590207

Geocentric closest approach at 2023/08/01 05:03:36 UTC

J2000 position of star is 17:32:14.5 -06:16:29
Equinox of date position of star is 17:33:24.7 -06:17:21
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 43 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 20.9 AU from the Sun and 20.2 AU from the Earth.
The TNO is moving 15.9 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 93 seconds.
The 1-sigma cross-track error in the shadow position is 1086 km.
The sky-plane scale is 14682.7 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 5.0 sec chord
Diameter=32.6 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2023/08/01 05:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.4 -26:28:56  0.9 25.11  51
35Eta Oph      17:11:43.9 -15:45:09  2.6 10.86  44
PPM 200792     17:34:45.5 -05:45:36  5.6  0.61  43
PPM 200733     17:31:48.8 -06:06:02  8.4  0.46  44
PPM 200775     17:33:51.7 -06:16:57  9.2  0.09  43
533396         17:33:30.5 -06:17:25 16.2        43
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 26.9 km RECON observability=0.6 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 05:01:16 -10.1 NT Up 35.2 178.0 Up 04:53:01 - 05:09:30 5223
Clarence Fulton 05:00:57 -10.7 NT Up 33.4 182.9 Up 04:52:43 - 05:09:12 5185
Peachland 05:00:59 -10.9 NT Up 33.9 182.4 Up 04:52:45 - 05:09:14 5172
Kelowna 05:00:58 -10.9 NT Up 33.8 182.7 Up 04:52:44 - 05:09:13 5168
Summerland 05:00:59 -11.0 NT Up 34.1 182.5 Up 04:52:45 - 05:09:14 5160
Penticton 05:00:59 -11.1 NT Up 34.2 182.6 Up 04:52:44 - 05:09:13 5152
Oliver 05:01:00 -11.4 NT Up 34.5 182.6 Up 04:52:45 - 05:09:14 5132
Anarchist Mountain Observatory 05:00:59 -11.6 NT Up 34.7 182.9 Up 04:52:44 - 05:09:13 5116
Tonasket 05:01:00 -11.8 NT Up 35.0 182.8 Up 04:52:46 - 05:09:15 5100
Okanogan 05:01:02 -12.0 NT Up 35.3 182.6 Up 04:52:48 - 05:09:17 5086
Manson/Chelan 05:01:04 -12.0 AT Up 35.8 182.0 Up 04:52:49 - 05:09:18 5077
Brewster 05:01:02 -12.1 AT Up 35.6 182.4 Up 04:52:47 - 05:09:16 5077
Wenatchee 05:01:06 -12.3 AT Up 36.3 181.8 Up 04:52:52 - 05:09:21 5055
Ellensburg 05:01:07 -12.5 AT Up 36.7 181.5 Up 04:52:52 - 05:09:21 5038
Yakima 05:01:09 -12.8 AT Up 37.1 181.5 Up 04:52:54 - 05:09:23 5014
Toppenish/White Swan 05:01:08 -13.0 AT Up 37.3 181.7 Up 04:52:54 - 05:09:23 4995
Goldendale 05:01:11 -13.2 AT Up 37.9 181.2 Up 04:52:57 - 05:09:26 4976
The Dalles 05:01:13 -13.2 AT Up 38.1 180.8 Up 04:52:59 - 05:09:28 4975
Maupin 05:01:13 -13.5 AT Up 38.5 180.9 Up 04:52:58 - 05:09:27 4945
Pasco 05:01:02 -13.7 AT Up 37.4 183.3 Up 04:52:48 - 05:09:17 4943
PNWRO 05:01:02 -14.0 AT Up 37.7 183.6 Up 04:52:48 - 05:09:17 4919
Sisters 05:01:17 -13.9 AT Up 39.4 180.3 Up 04:53:02 - 05:09:31 4909
Redmond 05:01:15 -14.1 AT Up 39.4 180.8 Up 04:53:00 - 05:09:29 4893
Bend 05:01:16 -14.2 AT Up 39.7 180.6 Up 04:53:02 - 05:09:31 4884
Oregon Observatory 05:01:18 -14.2 AT Up 39.8 180.5 Up 04:53:04 - 05:09:33 4878
La Pine/Gilchrist 05:01:18 -14.3 AT Up 40.0 180.4 Up 04:53:04 - 05:09:33 4867
North Lake 05:01:17 -15.0 AT Up 40.5 181.2 Up 04:53:02 - 05:09:31 4817
Chiloquin 05:01:23 -14.9 AT Up 41.2 180.0 Up 04:53:08 - 05:09:37 4809
Klamath Falls 05:01:23 -15.2 AT Up 41.5 180.1 Up 04:53:08 - 05:09:37 4783
Paisley 05:01:16 -15.5 AT Up 41.0 181.7 Up 04:53:02 - 05:09:31 4768
Lakeview 05:01:17 -16.0 AT Up 41.5 181.9 Up 04:53:02 - 05:09:31 4727
Fall River/Burney 05:01:23 -16.2 AT Up 42.7 180.6 Up 04:53:09 - 05:09:38 4690
Cedarville 05:01:17 -16.5 AT Up 42.2 182.2 Up 04:53:02 - 05:09:31 4677
Susanville 05:01:21 -17.1 AT Up 43.3 181.6 Up 04:53:06 - 05:09:35 4619
Greenville 05:01:24 -17.1 AT Up 43.6 181.2 Up 04:53:09 - 05:09:38 4612
Gimple 05:01:22 -17.1 AT Up 43.6 181.3 Up 04:53:08 - 05:09:37 4608
Quincy 05:01:24 -17.2 AT Up 43.8 181.2 Up 04:53:10 - 05:09:39 4598
Portola 05:01:22 -17.6 AT Up 43.9 181.9 Up 04:53:07 - 05:09:36 4571
Reno 05:01:19 -18.1 Dark Up 44.1 182.8 Up 04:53:05 - 05:09:34 4527
Carson City 05:01:20 -18.4 Dark Up 44.5 182.8 Up 04:53:06 - 05:09:35 4501
Gardnerville 05:01:20 -18.6 Dark Up 44.7 182.9 Up 04:53:06 - 05:09:35 4482
Yerington 05:01:17 -18.9 Dark Up 44.7 183.7 Up 04:53:03 - 05:09:32 4462
Hawthorne 05:01:16 -19.5 Dark Up 45.1 184.5 Up 04:53:01 - 05:09:30 4408
Lee Vining 05:01:19 -19.6 Dark Up 45.7 183.8 Up 04:53:05 - 05:09:34 4387
Tonopah 05:01:10 -20.6 Dark Up 45.5 186.5 Up 04:52:55 - 05:09:24 4318
Bishop 05:01:17 -20.4 Dark Up 46.2 184.9 Up 04:53:02 - 05:09:31 4314
CPSLO 05:01:32 -20.5 Dark Up 48.4 181.8 Up 04:53:18 - 05:09:47 4253
Beatty 05:01:10 -21.7 Dark Up 46.6 187.3 Up 04:52:55 - 05:09:24 4213
Indian Springs 05:01:04 -22.5 Dark Up 46.8 188.8 Up 04:52:49 - 05:09:18 4144
Wildwood 05:01:24 -22.6 Dark Up 49.5 185.0 Up 04:53:10 - 05:09:39 4076
Henderson 05:01:02 -23.3 Dark Up 47.2 189.9 Up 04:52:48 - 05:09:17 4075
Dunrhomin 05:00:10 -24.6 Dark Up 41.1 201.8 Up 04:51:55 - 05:08:24 4003
Laughlin/Bullhead City 05:01:02 -24.1 Dark Up 48.0 190.7 Up 04:52:48 - 05:09:17 3990
Patrick 05:00:58 -24.3 Dark Up 47.7 191.7 Up 04:52:44 - 05:09:13 3980
Kingman/Dolan Springs 05:01:00 -24.4 Dark Up 47.9 191.4 Up 04:52:46 - 05:09:15 3971
Idyllwild 05:01:16 -23.9 Dark Up 49.7 187.9 Up 04:53:01 - 05:09:30 3969
Mohave Valley 05:01:03 -24.3 Dark Up 48.3 190.8 Up 04:52:48 - 05:09:17 3969
Lake Havasu City 05:01:02 -24.7 Dark Up 48.6 191.2 Up 04:52:48 - 05:09:17 3927
Parker 05:01:03 -25.0 Dark Up 49.0 191.4 Up 04:52:49 - 05:09:18 3898
Calipatria 05:01:11 -25.1 Dark Up 50.2 189.7 Up 04:52:57 - 05:09:26 3870
Blythe 05:01:05 -25.2 Dark Up 49.5 191.0 Up 04:52:51 - 05:09:20 3869
Yuma 05:01:08 -25.9 Dark Up 50.4 191.2 Up 04:52:53 - 05:09:22 3797
George/Scottsdale 05:00:51 -26.7 Dark Up 48.9 195.0 Up 04:52:37 - 05:09:06 3761

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, (2023/08/01 05:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.11  51
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.86  44
PPM 200792     17:33:29.8 -05:44:43  5.6  0.61  43
PPM 200733     17:30:32.9 -06:05:02  8.4  0.46  44
PPM 200775     17:32:35.8 -06:16:02  9.2  0.09  43
533396         17:32:14.5 -06:16:29 16.2        43
Positions are for J2000

Event circumstances last updated at 2021/10/18 00:40:00 UT

Marc W. Buie, Southwest Research Institute

RECON