RECON: TNO occultation with 534161

Event between (534161) 14RQ63 and star GA1060:00916780 with event index number of 1612222

Geocentric closest approach at 2023/11/29 11:47:35 UTC

J2000 position of star is 05:22:01.3 +17:05:01
Equinox of date position of star is 05:23:09.2 +17:06:05
Stellar brightness G=14.8, use SENSEUP=128
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 301 seconds.
The 1-sigma cross-track error in the shadow position is 1844 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 3.0 sigma about the mid-time.
The median site spacing is 22.7 km RECON observability=1.0 and success probability=23.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 11:45:24 -35.5 Dark Up 41.6 243.7 Up 11:30:24 - 12:00:24 1315
Summerland 11:45:24 -35.7 Dark Up 41.9 243.6 Up 11:30:24 - 12:00:24 1285
Penticton 11:45:24 -35.6 Dark Up 41.8 243.8 Up 11:30:24 - 12:00:24 1280
Okanagan Falls 11:45:23 -35.7 Dark Up 41.9 243.9 Up 11:30:23 - 12:00:23 1263
Oliver 11:45:23 -35.7 Dark Up 42.0 244.1 Up 11:30:23 - 12:00:23 1248
Anarchist Mountain Observatory 11:45:22 -35.6 Dark Up 41.9 244.4 Up 11:30:22 - 12:00:22 1235
Oroville 11:45:22 -35.7 Dark Up 42.0 244.4 Up 11:30:22 - 12:00:22 1227
Tonasket 11:45:22 -35.7 Dark Up 42.1 244.6 Up 11:30:22 - 12:00:22 1206
Okanogan 11:45:21 -35.8 Dark Up 42.3 244.7 Up 11:30:21 - 12:00:21 1174
Brewster 11:45:21 -36.0 Dark Up 42.6 244.7 Up 11:30:21 - 12:00:21 1146
Manson/Chelan 11:45:22 -36.3 Dark Up 42.9 244.5 Up 11:30:22 - 12:00:22 1123
Wenatchee 11:45:21 -36.5 Dark Up 43.2 244.8 Up 11:30:21 - 12:00:21 1077
Ellensburg 11:45:20 -36.7 Dark Up 43.5 244.9 Up 11:30:20 - 12:00:20 1036
Yakima 11:45:20 -36.7 Dark Up 43.7 245.2 Up 11:30:20 - 12:00:20 998
Pasco 11:45:15 -35.8 Dark Up 42.9 246.9 Up 11:30:15 - 12:00:15 983
Toppenish/White Swan 11:45:19 -36.6 Dark Up 43.7 245.6 Up 11:30:19 - 12:00:19 979
PNWRO 11:45:15 -35.7 Dark Up 42.9 247.4 Up 11:30:15 - 12:00:15 963
George/Umatilla 11:45:15 -36.0 Dark Up 43.2 247.0 Up 11:30:15 - 12:00:15 949
Goldendale 11:45:19 -37.0 Dark Up 44.2 245.6 Up 11:30:19 - 12:00:19 922
The Dalles 11:45:19 -37.3 Dark Up 44.5 245.5 Up 11:30:19 - 12:00:19 897
Maupin 11:45:18 -37.3 Dark Up 44.6 246.0 Up 11:30:18 - 12:00:18 858
Madras/Culver 11:45:17 -37.3 Dark Up 44.9 246.4 Up 11:30:17 - 12:00:17 805
Redmond 11:45:17 -37.4 Dark Up 45.0 246.7 Up 11:30:17 - 12:00:17 770
Sisters 11:45:17 -37.7 Dark Up 45.3 246.3 Up 11:30:17 - 12:00:17 768
Bend 11:45:16 -37.5 Dark Up 45.2 246.7 Up 11:30:16 - 12:00:16 748
Oregon Observatory 11:45:17 -37.7 Dark Up 45.4 246.8 Up 11:30:17 - 12:00:17 730
La Pine/Gilchrist 11:45:16 -37.7 Dark Up 45.5 246.9 Up 11:30:16 - 12:00:16 709
North Lake 11:45:14 -37.3 Dark Up 45.3 247.9 Up 11:30:14 - 12:00:14 674
Paisley 11:45:12 -37.1 Dark Up 45.2 248.7 Up 11:30:12 - 12:00:12 625
SwRI 11:44:32 -25.7 Dark Up 34.9 263.3 Up 11:29:32 - 11:59:32 601
Chiloquin 11:45:15 -38.1 Dark Up 46.2 247.6 Up 11:30:15 - 12:00:15 597
Lakeview 11:45:10 -37.0 Dark Up 45.3 249.4 Up 11:30:10 - 12:00:10 578
Klamath Falls 11:45:14 -38.1 Dark Up 46.3 248.0 Up 11:30:14 - 12:00:14 564
Tulelake 11:45:13 -37.9 Dark Up 46.1 248.6 Up 11:30:13 - 12:00:13 542
Cedarville 11:45:09 -36.9 Dark Up 45.4 250.2 Up 11:30:09 - 12:00:09 516
Fall River/Burney 11:45:11 -37.9 Dark Up 46.4 249.5 Up 11:30:11 - 12:00:11 453
Susanville 11:45:08 -37.3 Dark Up 46.1 250.8 Up 11:30:08 - 12:00:08 400
Gimple 11:45:08 -37.5 Dark Up 46.4 250.9 Up 11:30:08 - 12:00:08 369
Greenville 11:45:08 -37.6 Dark Up 46.4 250.8 Up 11:30:08 - 12:00:08 369
Quincy 11:45:08 -37.6 Dark Up 46.5 251.0 Up 11:30:08 - 12:00:08 348
Portola 11:45:06 -37.2 Dark Up 46.2 251.6 Up 11:30:06 - 12:00:06 342
Reno 11:45:04 -36.7 Dark Up 45.8 252.4 Up 11:30:04 - 12:00:04 324
Carson City 11:45:04 -36.7 Dark Up 45.9 252.8 Up 11:30:04 - 12:00:04 289
Yerington 11:45:01 -36.3 Dark Up 45.5 253.5 Up 11:30:01 - 12:00:01 278
Gardnerville 11:45:03 -36.7 Dark Up 45.9 253.0 Up 11:30:03 - 12:00:03 265
Hawthorne 11:44:59 -35.9 Dark Up 45.2 254.4 Up 11:29:59 - 11:59:59 239
Tonopah 11:44:55 -34.8 Dark Up 44.3 256.0 Up 11:29:55 - 11:59:55 212
Lee Vining 11:45:00 -36.2 Dark Up 45.7 254.5 Up 11:30:00 - 12:00:00 175
Bishop 11:44:57 -35.7 Dark Up 45.3 255.7 Up 11:29:57 - 11:59:57 125
Beatty 11:44:51 -34.4 Dark Up 44.2 257.4 Up 11:29:51 - 11:59:51 102
Indian Springs 11:44:48 -33.5 Dark Up 43.4 258.5 Up 11:29:48 - 11:59:48 85
Lone Pine 11:44:54 -35.4 Dark Up 45.3 256.7 Up 11:29:54 - 11:59:54 52
Henderson 11:44:45 -32.9 Dark Up 43.0 259.5 Up 11:29:45 - 11:59:45 42
Patrick 11:44:41 -32.0 Dark Up 42.2 260.9 Up 11:29:41 - 11:59:41 -4
Searchlight/Boulder City 11:44:44 -32.8 Dark Up 43.0 260.1 Up 11:29:44 - 11:59:44 -15
Kingman/Dolan Springs 11:44:42 -32.1 Dark Up 42.4 261.0 Up 11:29:42 - 11:59:42 -29
Laughlin/Bullhead City 11:44:43 -32.5 Dark Up 42.8 260.6 Up 11:29:43 - 11:59:43 -40
Mohave Valley 11:44:42 -32.5 Dark Up 42.9 260.9 Up 11:29:42 - 11:59:42 -68
Lake Havasu City 11:44:41 -32.3 Dark Up 42.7 261.4 Up 11:29:41 - 11:59:41 -105
CPSLO 11:45:00 -37.4 Dark Up 47.6 256.0 Up 11:30:00 - 12:00:00 -117
Parker 11:44:40 -32.2 Dark Up 42.8 261.7 Up 11:29:40 - 11:59:40 -140
Blythe 11:44:40 -32.4 Dark Up 43.1 262.0 Up 11:29:40 - 11:59:40 -199
Wildwood 11:44:52 -35.7 Dark Up 46.2 258.8 Up 11:29:52 - 11:59:52 -213
Idyllwild 11:44:46 -34.2 Dark Up 44.8 260.5 Up 11:29:46 - 11:59:46 -221
Calipatria 11:44:42 -33.1 Dark Up 43.9 261.9 Up 11:29:42 - 11:59:42 -265
Yuma 11:44:39 -32.3 Dark Up 43.2 262.9 Up 11:29:39 - 11:59:39 -295

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 +16:30:30  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 2019/07/06 22:04:35 UT

Marc W. Buie, Southwest Research Institute

RECON