RECON: TNO occultation with 535032

Event between (535032) 14WP510 and star GA1140:01580513 with event index number of 2530230

Geocentric closest approach at 2028/11/29 03:32:54 UTC

J2000 position of star is 05:52:31.2 +25:26:57
Equinox of date position of star is 05:53:53.4 +25:27:10
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 55 degrees from the moon. Moon is 91% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 36.5 AU from the Sun and 35.5 AU from the Earth.
The TNO is moving 23.3 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 350 seconds.
The 1-sigma cross-track error in the shadow position is 2329 km.
The sky-plane scale is 25776.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=208.9 km assuming a 5% albedo -- 8.6 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 535032, (2028/11/29 03:33UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.3 +07:24:36  0.4 18.05  58
Alnath         05:28:07.3 +28:37:45  1.6  6.64  49
132 Tau        05:50:47.5 +24:34:28  4.9  1.19  54
PPM 094961     05:52:35.6 +26:03:35  8.0  0.72  54
PPM 095005     05:54:25.0 +25:17:42  9.5  0.16  55
535032         05:54:18.5 +25:27:14 16.6        55
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 2.6 sigma about the mid-time.
The median site spacing is 21.8 km RECON observability=0.6 and success probability=13.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:35:54 -33.2 Dark Up 21.9 76.1 Low 03:20:54 - 03:50:54 -2017
Victoria 03:36:02 -31.4 Dark Up 19.4 73.2 Really Low 03:21:02 - 03:51:02 -2074
Peachland 03:35:57 -33.7 Dark Up 22.0 76.2 Low 03:20:57 - 03:50:57 -2100
Kelowna 03:35:57 -33.8 Dark Up 22.3 76.4 Low 03:20:57 - 03:50:57 -2102
Summerland 03:35:58 -33.7 Dark Up 22.1 76.2 Low 03:20:58 - 03:50:58 -2114
Penticton 03:35:58 -33.8 Dark Up 22.1 76.2 Low 03:20:58 - 03:50:58 -2122
Oliver 03:35:59 -33.9 Dark Up 22.0 76.1 Low 03:20:59 - 03:50:59 -2147
Anarchist Mountain Observatory 03:36:00 -34.0 Dark Up 22.1 76.1 Low 03:21:00 - 03:51:00 -2165
Tonasket 03:36:01 -34.0 Dark Up 22.0 76.0 Low 03:21:01 - 03:51:01 -2186
Okanogan 03:36:02 -33.9 Dark Up 21.8 75.8 Low 03:21:02 - 03:51:02 -2206
Brewster 03:36:03 -33.8 Dark Up 21.6 75.5 Low 03:21:03 - 03:51:03 -2219
Manson/Chelan 03:36:04 -33.6 Dark Up 21.3 75.2 Low 03:21:04 - 03:51:04 -2223
Wenatchee 03:36:06 -33.5 Dark Up 21.1 74.9 Low 03:21:06 - 03:51:06 -2252
Ellensburg 03:36:07 -33.4 Dark Up 20.9 74.6 Low 03:21:07 - 03:51:07 -2275
Yakima 03:36:08 -33.4 Dark Up 20.7 74.4 Low 03:21:08 - 03:51:08 -2305
Toppenish/White Swan 03:36:09 -33.6 Dark Up 20.8 74.5 Low 03:21:09 - 03:51:09 -2327
Sleaford 03:35:41 -41.6 Dark Up 31.0 87.4 Up 03:20:41 - 03:50:41 -2329
Goldendale 03:36:11 -33.3 Dark Up 20.4 74.0 Low 03:21:11 - 03:51:11 -2354
The Dalles 03:36:12 -33.0 Dark Up 20.1 73.7 Low 03:21:12 - 03:51:12 -2359
Maupin 03:36:13 -33.1 Dark Up 20.0 73.6 Low 03:21:13 - 03:51:13 -2394
PNWRO 03:36:09 -34.6 Dark Up 21.7 75.3 Low 03:21:09 - 03:51:09 -2404
Sisters 03:36:16 -32.8 Dark Up 19.4 73.0 Really Low 03:21:16 - 03:51:16 -2444
Bend 03:36:16 -33.0 Dark Up 19.6 73.1 Really Low 03:21:16 - 03:51:16 -2471
Oregon Observatory 03:36:17 -32.9 Dark Up 19.4 73.0 Really Low 03:21:17 - 03:51:17 -2480
North Lake 03:36:19 -33.3 Dark Up 19.6 73.1 Really Low 03:21:19 - 03:51:19 -2548
Chiloquin 03:36:21 -32.6 Dark Up 18.7 72.3 Really Low 03:21:21 - 03:51:21 -2568
Klamath Falls 03:36:23 -32.7 Dark Up 18.7 72.2 Really Low 03:21:23 - 03:51:23 -2597
Lakeview 03:36:22 -33.8 Dark Up 19.7 73.1 Really Low 03:21:22 - 03:51:22 -2651
Fall River/Burney 03:36:26 -33.0 Dark Up 18.6 72.1 Really Low 03:21:26 - 03:51:26 -2705
Cedarville 03:36:24 -33.9 Dark Up 19.6 72.9 Really Low 03:21:24 - 03:51:24 -2710
Susanville 03:36:28 -33.5 Dark Up 19.0 72.3 Really Low 03:21:28 - 03:51:28 -2782
Greenville 03:36:29 -33.3 Dark Up 18.7 72.0 Really Low 03:21:29 - 03:51:29 -2794
Gimple 03:36:28 -33.4 Dark Up 18.7 72.1 Really Low 03:21:28 - 03:51:28 -2797
Quincy 03:36:29 -33.3 Dark Up 18.6 72.0 Really Low 03:21:29 - 03:51:29 -2811
Portola 03:36:29 -33.7 Dark Up 18.9 72.2 Really Low 03:21:29 - 03:51:29 -2838
Reno 03:36:30 -34.2 Dark Up 19.3 72.5 Really Low 03:21:30 - 03:51:30 -2884
Carson City 03:36:31 -34.2 Dark Up 19.2 72.4 Really Low 03:21:31 - 03:51:31 -2914
Gardnerville 03:36:32 -34.2 Dark Up 19.2 72.3 Really Low 03:21:32 - 03:51:32 -2936
Yerington 03:36:32 -34.7 Dark Up 19.7 72.7 Really Low 03:21:32 - 03:51:32 -2954
Hawthorne 03:36:32 -35.1 Dark Up 19.9 72.8 Really Low 03:21:32 - 03:51:32 -3013
Lee Vining 03:36:34 -34.7 Dark Up 19.4 72.3 Really Low 03:21:34 - 03:51:34 -3042
Tonopah 03:36:34 -36.2 Dark Up 20.8 73.4 Low 03:21:34 - 03:51:34 -3104
Bishop 03:36:35 -35.3 Dark Up 19.8 72.5 Really Low 03:21:35 - 03:51:35 -3120
Beatty 03:36:36 -36.6 Dark Up 20.9 73.2 Low 03:21:36 - 03:51:36 -3221
Indian Springs 03:36:36 -37.4 Dark Up 21.6 73.6 Low 03:21:36 - 03:51:36 -3290
Dunrhomin 03:36:16 -45.3 Dark Up 30.4 81.0 Up 03:21:16 - 03:51:16 -3338
CU-SBO 03:36:17 -45.3 Dark Up 30.3 80.8 Up 03:21:17 - 03:51:17 -3357
Henderson 03:36:37 -38.0 Dark Up 22.0 73.8 Low 03:21:37 - 03:51:37 -3363
Wildwood 03:36:44 -35.0 Dark Up 18.6 71.4 Really Low 03:21:44 - 03:51:44 -3396
Laughlin/Bullhead City 03:36:39 -38.3 Dark Up 22.1 73.7 Low 03:21:39 - 03:51:39 -3456
Patrick 03:36:38 -38.9 Dark Up 22.7 74.1 Low 03:21:38 - 03:51:38 -3461
Kingman/Dolan Springs 03:36:39 -38.7 Dark Up 22.5 73.9 Low 03:21:39 - 03:51:39 -3474
Mohave Valley 03:36:40 -38.3 Dark Up 22.0 73.5 Low 03:21:40 - 03:51:40 -3481
Idyllwild 03:36:44 -36.5 Dark Up 20.0 72.1 Really Low 03:21:44 - 03:51:44 -3501
Lake Havasu City 03:36:40 -38.5 Dark Up 22.1 73.5 Low 03:21:40 - 03:51:40 -3526
Parker 03:36:41 -38.5 Dark Up 22.0 73.4 Low 03:21:41 - 03:51:41 -3559
Calipatria 03:36:45 -37.5 Dark Up 20.7 72.5 Low 03:21:45 - 03:51:45 -3603
Yuma 03:36:45 -38.2 Dark Up 21.3 72.7 Low 03:21:45 - 03:51:45 -3677
George/Scottsdale 03:36:40 -40.6 Dark Up 23.8 74.3 Low 03:21:40 - 03:51:40 -3691

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 535032, (2028/11/29 03:33UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 18.05  58
Alnath         05:26:17.6 +28:36:23  1.6  6.64  49
132 Tau        05:49:00.9 +24:34:02  4.9  1.19  54
PPM 094961     05:50:47.8 +26:03:15  8.0  0.72  54
PPM 095005     05:52:37.8 +25:17:25  9.5  0.16  55
535032         05:52:31.2 +25:26:57 16.6        55
Positions are for J2000

Event circumstances last updated at 2022/02/21 00:55:52 UT

Marc W. Buie, Southwest Research Institute

RECON