RECON: TNO occultation with 535032

Event between (535032) 14WP510 and star GA1120:01024143 with event index number of 2260606

Geocentric closest approach at 2023/12/20 10:42:22 UTC

J2000 position of star is 05:12:15.8 +23:47:10
Equinox of date position of star is 05:13:35.6 +23:48:39
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 72 degrees from the moon. Moon is 58% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 35.6 AU from the Sun and 34.7 AU from the Earth.
The TNO is moving 24.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 158 seconds.
The 1-sigma cross-track error in the shadow position is 1540 km.
The sky-plane scale is 25131.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.4 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 535032, (2023/12/20 10:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.9 +16:33:20  0.8 11.21  63
Alnath         05:27:48.5 +28:37:32  1.6  5.76  76
103 Tau        05:09:34.4 +24:17:41  5.3  1.06  71
PPM 094178     05:14:31.4 +24:25:25  8.4  0.64  72
PPM 094167     05:13:39.5 +24:18:23  8.6  0.49  72
PPM 094166     05:13:30.3 +23:47:50 11.7  0.05  72
535032         05:13:43.3 +23:48:48 16.5        72
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=1.0 and success probability=17.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:39:50 -39.8 Dark Down 33.9 265.8 Up 10:26:12 - 10:53:28 3781
Kamloops 10:40:09 -48.7 Dark Down 43.0 254.5 Up 10:26:31 - 10:53:47 3350
Kelowna 10:40:05 -48.5 Dark Down 42.7 256.0 Up 10:26:27 - 10:53:43 3294
Peachland 10:40:06 -48.7 Dark Down 42.9 255.8 Up 10:26:28 - 10:53:44 3278
Summerland 10:40:05 -48.7 Dark Down 42.8 256.1 Up 10:26:27 - 10:53:43 3266
Penticton 10:40:05 -48.7 Dark Down 42.8 256.2 Up 10:26:27 - 10:53:43 3262
Oliver 10:40:04 -48.8 Dark Down 42.9 256.5 Up 10:26:26 - 10:53:42 3230
Anarchist Mountain Observatory 10:40:03 -48.8 Dark Down 42.8 256.9 Up 10:26:25 - 10:53:41 3219
Tonasket 10:40:02 -49.0 Dark Down 42.9 257.1 Up 10:26:24 - 10:53:40 3188
Okanogan 10:40:02 -49.2 Dark Down 43.1 257.2 Up 10:26:24 - 10:53:40 3154
Brewster 10:40:02 -49.4 Dark Down 43.3 257.3 Up 10:26:24 - 10:53:40 3125
Manson/Chelan 10:40:02 -49.7 Dark Down 43.6 257.2 Up 10:26:24 - 10:53:40 3098
Victoria 10:40:10 -51.4 Dark Down 45.5 253.6 Up 10:26:32 - 10:53:48 3093
Wenatchee 10:40:01 -50.0 Dark Down 43.8 257.5 Up 10:26:23 - 10:53:39 3050
Ellensburg 10:40:01 -50.3 Dark Down 44.0 257.7 Up 10:26:23 - 10:53:39 3007
Yakima 10:40:00 -50.5 Dark Down 44.1 258.0 Up 10:26:22 - 10:53:38 2969
Pasco 10:39:56 -49.7 Dark Down 43.2 259.6 Up 10:26:18 - 10:53:34 2967
Toppenish/White Swan 10:39:59 -50.4 Dark Down 44.0 258.4 Up 10:26:21 - 10:53:37 2952
PNWRO 10:39:55 -49.6 Dark Down 43.1 260.0 Up 10:26:17 - 10:53:33 2949
Goldendale 10:39:59 -50.9 Dark Down 44.4 258.5 Up 10:26:21 - 10:53:37 2890
The Dalles 10:39:59 -51.2 Dark Down 44.7 258.4 Up 10:26:21 - 10:53:37 2861
Maupin 10:39:58 -51.3 Dark Down 44.8 258.9 Up 10:26:20 - 10:53:36 2824
Dunrhomin 10:39:17 -41.0 Dark Down 33.5 274.2 Up 10:25:39 - 10:52:55 2758
Redmond 10:39:56 -51.7 Dark Down 45.0 259.7 Up 10:26:18 - 10:53:34 2735
Sisters 10:39:57 -52.0 Dark Down 45.3 259.4 Up 10:26:19 - 10:53:35 2729
Bend 10:39:56 -51.9 Dark Down 45.1 259.8 Up 10:26:18 - 10:53:34 2711
Oregon Observatory 10:39:55 -52.0 Dark Down 45.3 259.9 Up 10:26:17 - 10:53:33 2692
La Pine/Gilchrist 10:39:55 -52.1 Dark Down 45.3 260.0 Up 10:26:17 - 10:53:33 2671
North Lake 10:39:53 -51.9 Dark Down 45.0 261.0 Up 10:26:15 - 10:53:31 2641
Paisley 10:39:51 -51.8 Dark Down 44.8 261.8 Up 10:26:13 - 10:53:29 2596
Chiloquin 10:39:54 -52.7 Dark Down 45.8 260.9 Up 10:26:16 - 10:53:32 2554
Lakeview 10:39:50 -51.8 Dark Down 44.7 262.4 Up 10:26:12 - 10:53:28 2551
Klamath Falls 10:39:53 -52.8 Dark Down 45.8 261.3 Up 10:26:15 - 10:53:31 2523
Cedarville 10:39:48 -51.9 Dark Down 44.7 263.2 Up 10:26:10 - 10:53:26 2490
Fall River/Burney 10:39:49 -52.9 Dark Down 45.7 262.8 Up 10:26:11 - 10:53:27 2415
Susanville 10:39:47 -52.5 Dark Down 45.2 263.9 Up 10:26:09 - 10:53:25 2369
Gimple 10:39:47 -52.7 Dark Down 45.4 264.1 Up 10:26:09 - 10:53:25 2337
Greenville 10:39:47 -52.8 Dark Down 45.4 264.0 Up 10:26:09 - 10:53:25 2335
Quincy 10:39:47 -52.8 Dark Down 45.5 264.2 Up 10:26:09 - 10:53:25 2315
Portola 10:39:45 -52.5 Dark Down 45.1 264.7 Up 10:26:07 - 10:53:23 2313
Reno 10:39:43 -52.1 Dark Down 44.6 265.4 Up 10:26:05 - 10:53:21 2302
Carson City 10:39:43 -52.2 Dark Down 44.7 265.8 Up 10:26:05 - 10:53:21 2267
Yerington 10:39:41 -51.7 Dark Down 44.2 266.4 Up 10:26:03 - 10:53:19 2263
Gardnerville 10:39:42 -52.2 Dark Down 44.6 266.0 Up 10:26:04 - 10:53:20 2244
Hawthorne 10:39:38 -51.4 Dark Down 43.8 267.2 Up 10:26:00 - 10:53:16 2229
Tonopah 10:39:34 -50.4 Dark Down 42.7 268.5 Up 10:25:56 - 10:53:12 2218
Lee Vining 10:39:38 -51.9 Dark Down 44.2 267.4 Up 10:26:00 - 10:53:16 2161
Bishop 10:39:36 -51.4 Dark Down 43.7 268.4 Up 10:25:58 - 10:53:14 2119
Beatty 10:39:31 -50.2 Dark Down 42.4 269.9 Up 10:25:53 - 10:53:09 2114
Indian Springs 10:39:28 -49.4 Dark Down 41.5 270.8 Up 10:25:50 - 10:53:06 2109
Henderson 10:39:26 -48.9 Dark Down 41.0 271.7 Up 10:25:48 - 10:53:04 2074
Patrick 10:39:22 -48.1 Dark Down 40.0 272.8 Up 10:25:44 - 10:53:00 2042
Kingman/Dolan Springs 10:39:22 -48.2 Dark Down 40.2 272.9 Up 10:25:44 - 10:53:00 2015
Laughlin/Bullhead City 10:39:23 -48.7 Dark Down 40.6 272.6 Up 10:25:45 - 10:53:01 1998
Mohave Valley 10:39:23 -48.7 Dark Down 40.6 272.9 Up 10:25:45 - 10:53:01 1971
Lake Havasu City 10:39:21 -48.5 Dark Down 40.4 273.3 Up 10:25:43 - 10:52:59 1937
George/Scottsdale 10:39:15 -46.5 Dark Down 38.3 275.2 Up 10:25:37 - 10:52:53 1929
Parker 10:39:21 -48.5 Dark Down 40.3 273.6 Up 10:25:43 - 10:52:59 1903
CPSLO 10:39:37 -53.5 Dark Down 45.5 269.1 Up 10:25:59 - 10:53:15 1854
Blythe 10:39:20 -48.8 Dark Down 40.5 273.9 Up 10:25:42 - 10:52:58 1841
Idyllwild 10:39:25 -50.5 Dark Down 42.3 272.8 Up 10:25:47 - 10:53:03 1795
Wildwood 10:39:30 -52.0 Dark Down 43.9 271.4 Up 10:25:52 - 10:53:08 1782
Calipatria 10:39:22 -49.5 Dark Down 41.3 273.9 Up 10:25:44 - 10:53:00 1765
Yuma 10:39:19 -48.8 Dark Down 40.5 274.7 Up 10:25:41 - 10:52:57 1746

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, (2023/12/20 10:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.21  63
Alnath         05:26:17.6 +28:36:23  1.6  5.76  76
103 Tau        05:08:06.6 +24:15:54  5.3  1.06  71
PPM 094178     05:13:03.4 +24:23:49  8.4  0.64  72
PPM 094167     05:12:11.6 +24:16:45  8.6  0.49  72
PPM 094166     05:12:02.8 +23:46:12 11.7  0.05  72
535032         05:12:15.8 +23:47:10 16.5        72
Positions are for J2000

Event circumstances last updated at 2021/11/15 01:02:35 UT

Marc W. Buie, Southwest Research Institute

RECON