RECON: TNO occultation with 534161

Event between (534161) 14RQ63 and star GA1060:00916780 with event index number of 2175079

Geocentric closest approach at 2023/11/29 11:51:14 UTC

J2000 position of star is 05:22:01.3 +17:05:01
Equinox of date position of star is 05:23:17.4 +17:06:12
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 16 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 31.9 AU from the Sun and 30.9 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 156 seconds.
The 1-sigma cross-track error in the shadow position is 1339 km.
The sky-plane scale is 22421.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.8 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 534161, (2023/11/29 11:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.7 +16:33:20  0.8 11.05  25
Bellatrix      05:26:24.9 +06:22:10  1.6 10.76  24
110 Tau        05:25:00.7 +16:43:12  6.4  0.54  16
PPM 120885     05:23:57.5 +16:49:31  8.1  0.31  16
534161         05:23:24.5 +17:06:19 14.8        16
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 25.8 km RECON observability=1.0 and success probability=38.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 11:48:44 -26.4 Dark Up 32.4 255.6 Up 11:35:15 - 12:02:13 533
Kamloops 11:49:04 -35.4 Dark Up 41.2 243.0 Up 11:35:35 - 12:02:33 214
Kelowna 11:49:00 -35.0 Dark Up 41.1 244.6 Up 11:35:31 - 12:02:29 152
Peachland 11:49:01 -35.2 Dark Up 41.3 244.3 Up 11:35:32 - 12:02:30 138
Summerland 11:49:00 -35.1 Dark Up 41.3 244.6 Up 11:35:31 - 12:02:29 126
Penticton 11:49:00 -35.1 Dark Up 41.3 244.7 Up 11:35:31 - 12:02:29 121
Oliver 11:48:59 -35.1 Dark Up 41.4 245.0 Up 11:35:30 - 12:02:28 89
Anarchist Mountain Observatory 11:48:58 -35.0 Dark Up 41.4 245.3 Up 11:35:29 - 12:02:27 76
Tonasket 11:48:58 -35.1 Dark Up 41.6 245.5 Up 11:35:29 - 12:02:27 47
Okanogan 11:48:57 -35.2 Dark Up 41.8 245.6 Up 11:35:28 - 12:02:26 14
Brewster 11:48:57 -35.4 Dark Up 42.0 245.6 Up 11:35:28 - 12:02:26 -13
Victoria 11:49:06 -37.7 Dark Up 44.0 241.6 Up 11:35:37 - 12:02:35 -15
Manson/Chelan 11:48:57 -35.7 Dark Up 42.3 245.4 Up 11:35:28 - 12:02:26 -36
Wenatchee 11:48:57 -35.9 Dark Up 42.7 245.7 Up 11:35:28 - 12:02:26 -82
Ellensburg 11:48:56 -36.1 Dark Up 43.0 245.8 Up 11:35:27 - 12:02:25 -123
Yakima 11:48:55 -36.1 Dark Up 43.1 246.1 Up 11:35:26 - 12:02:24 -162
Pasco 11:48:51 -35.2 Dark Up 42.4 247.8 Up 11:35:22 - 12:02:20 -175
Toppenish/White Swan 11:48:55 -36.0 Dark Up 43.1 246.5 Up 11:35:26 - 12:02:24 -180
PNWRO 11:48:50 -35.0 Dark Up 42.3 248.2 Up 11:35:21 - 12:02:19 -196
Goldendale 11:48:55 -36.4 Dark Up 43.6 246.5 Up 11:35:26 - 12:02:24 -237
The Dalles 11:48:55 -36.7 Dark Up 43.9 246.4 Up 11:35:26 - 12:02:24 -263
Maupin 11:48:54 -36.6 Dark Up 44.0 246.8 Up 11:35:25 - 12:02:23 -301
Redmond 11:48:52 -36.8 Dark Up 44.5 247.6 Up 11:35:23 - 12:02:21 -388
Sisters 11:48:53 -37.1 Dark Up 44.7 247.2 Up 11:35:24 - 12:02:22 -391
Bend 11:48:52 -36.9 Dark Up 44.6 247.6 Up 11:35:23 - 12:02:21 -410
Oregon Observatory 11:48:52 -37.0 Dark Up 44.8 247.7 Up 11:35:23 - 12:02:21 -429
La Pine/Gilchrist 11:48:52 -37.1 Dark Up 44.9 247.8 Up 11:35:23 - 12:02:21 -449
North Lake 11:48:50 -36.7 Dark Up 44.7 248.7 Up 11:35:21 - 12:02:19 -484
Dunrhomin 11:48:08 -25.0 Dark Up 34.1 263.8 Up 11:34:39 - 12:01:37 -526
Paisley 11:48:48 -36.5 Dark Up 44.6 249.6 Up 11:35:19 - 12:02:17 -533
Chiloquin 11:48:51 -37.4 Dark Up 45.6 248.5 Up 11:35:22 - 12:02:20 -562
Lakeview 11:48:46 -36.3 Dark Up 44.7 250.2 Up 11:35:17 - 12:02:15 -579
Klamath Falls 11:48:50 -37.4 Dark Up 45.6 248.9 Up 11:35:21 - 12:02:19 -594
Cedarville 11:48:44 -36.3 Dark Up 44.8 251.0 Up 11:35:15 - 12:02:13 -641
Fall River/Burney 11:48:47 -37.2 Dark Up 45.8 250.4 Up 11:35:18 - 12:02:16 -705
Susanville 11:48:44 -36.7 Dark Up 45.5 251.6 Up 11:35:15 - 12:02:13 -758
Gimple 11:48:44 -36.8 Dark Up 45.7 251.7 Up 11:35:15 - 12:02:13 -788
Greenville 11:48:44 -36.9 Dark Up 45.8 251.6 Up 11:35:15 - 12:02:13 -789
Quincy 11:48:44 -36.9 Dark Up 45.8 251.8 Up 11:35:15 - 12:02:13 -810
Portola 11:48:44 -36.5 Dark Up 45.5 252.4 Up 11:35:15 - 12:02:13 -817
Reno 11:48:44 -36.0 Dark Up 45.1 253.2 Up 11:35:15 - 12:02:13 -840
Carson City 11:48:44 -36.0 Dark Up 45.2 253.6 Up 11:35:15 - 12:02:13 -877
Yerington 11:48:44 -35.5 Dark Up 44.8 254.3 Up 11:35:15 - 12:02:13 -896
Gardnerville 11:48:44 -36.0 Dark Up 45.2 253.8 Up 11:35:15 - 12:02:13 -903
Hawthorne 11:48:44 -35.1 Dark Up 44.5 255.2 Up 11:35:15 - 12:02:13 -945
Tonopah 11:48:44 -34.0 Dark Up 43.5 256.7 Up 11:35:15 - 12:02:13 -1001
Lee Vining 11:48:44 -35.5 Dark Up 45.0 255.3 Up 11:35:15 - 12:02:13 -1006
Indian Springs 11:48:24 -32.8 Dark Up 42.7 259.2 Up 11:34:55 - 12:01:53 -1070
Bishop 11:48:44 -34.9 Dark Up 44.6 256.5 Up 11:35:15 - 12:02:13 -1072
Henderson 11:48:21 -32.2 Dark Up 42.3 260.2 Up 11:34:52 - 12:01:50 -1113
Beatty 11:48:44 -33.6 Dark Up 43.4 258.2 Up 11:35:15 - 12:02:13 -1131
Patrick 11:48:17 -31.2 Dark Up 41.5 261.5 Up 11:34:48 - 12:01:46 -1158
Kingman/Dolan Springs 11:48:17 -31.4 Dark Up 41.7 261.6 Up 11:34:48 - 12:01:46 -1184
Laughlin/Bullhead City 11:48:19 -31.8 Dark Up 42.1 261.2 Up 11:34:50 - 12:01:48 -1195
Mohave Valley 11:48:18 -31.8 Dark Up 42.1 261.5 Up 11:34:49 - 12:01:47 -1223
Lake Havasu City 11:48:17 -31.5 Dark Up 42.0 262.0 Up 11:34:48 - 12:01:46 -1260
CPSLO 11:48:44 -36.7 Dark Up 46.9 256.7 Up 11:35:15 - 12:02:13 -1294
Parker 11:48:16 -31.5 Dark Up 42.0 262.3 Up 11:34:47 - 12:01:45 -1295
George/Scottsdale 11:48:09 -29.4 Dark Up 40.1 264.3 Up 11:34:40 - 12:01:38 -1296
Blythe 11:48:16 -31.7 Dark Up 42.3 262.6 Up 11:34:47 - 12:01:45 -1354
Idyllwild 11:48:22 -33.4 Dark Up 44.0 261.1 Up 11:34:53 - 12:01:51 -1376
Calipatria 11:48:18 -32.4 Dark Up 43.2 262.5 Up 11:34:49 - 12:01:47 -1420
Wildwood 11:48:44 -34.9 Dark Up 45.5 259.5 Up 11:35:15 - 12:02:13 -1428
Yuma 11:48:15 -31.6 Dark Up 42.5 263.4 Up 11:34:46 - 12:01:44 -1450

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 534161, (2023/11/29 11:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.05  25
Bellatrix      05:25:07.8 +06:20:58  1.6 10.76  24
110 Tau        05:23:37.7 +16:41:58  6.4  0.54  16
PPM 120885     05:22:34.4 +16:48:14  8.1  0.31  16
534161         05:22:01.3 +17:05:01 14.8        16
Positions are for J2000

Event circumstances last updated at 2021/11/15 01:01:00 UT

Marc W. Buie, Southwest Research Institute

RECON