RECON: TNO occultation with 14UH192

Event between 14UH192 and star GA1240:01038460 with event index number of 2738926

Geocentric closest approach at 2026/10/26 05:26:46 UTC

J2000 position of star is 04:09:10.7 +35:43:29
Equinox of date position of star is 04:10:37.3 +35:46:53
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 35 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 35.8 AU from the Sun and 35.0 AU from the Earth.
The TNO is moving 20.0 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 195 seconds.
The 1-sigma cross-track error in the shadow position is 1860 km.
The sky-plane scale is 25397.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=284.5 km assuming a 5% albedo -- 14.2 sec chord
Diameter=116.1 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 14UH192, (2026/10/26 05:27UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:27.7 +16:33:40  0.8 20.12  38
44Zet Per      03:55:49.5 +31:57:40  2.8  4.95  30
PPM 069012     04:03:00.8 +37:03:46  6.3  2.04  34
PPM 069159     04:11:28.9 +36:02:44  8.5  0.28  35
PPM 069144     04:10:38.1 +35:47:17  9.8  0.06  34
14UH192        04:10:56.1 +35:47:37 14.8        35
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 4.6 sigma about the mid-time.
The median site spacing is 26.7 km RECON observability=1.0 and success probability=24.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 05:29:59 -42.9 Dark Up 41.6 81.5 Up 05:14:59 - 05:44:59 -470
Victoria 05:30:11 -42.8 Dark Up 39.3 77.7 Up 05:15:11 - 05:45:11 -534
Peachland 05:30:01 -43.8 Dark Up 41.9 81.1 Up 05:15:01 - 05:45:01 -569
Kelowna 05:30:00 -43.9 Dark Up 42.1 81.4 Up 05:15:00 - 05:45:00 -570
Summerland 05:30:01 -43.9 Dark Up 41.9 81.1 Up 05:15:01 - 05:45:01 -585
Penticton 05:30:01 -44.0 Dark Up 42.0 81.1 Up 05:15:01 - 05:45:01 -594
Oliver 05:30:03 -44.3 Dark Up 41.9 80.8 Up 05:15:03 - 05:45:03 -624
Anarchist Mountain Observatory 05:30:03 -44.5 Dark Up 42.0 80.7 Up 05:15:03 - 05:45:03 -645
Tonasket 05:30:04 -44.7 Dark Up 41.9 80.4 Up 05:15:04 - 05:45:04 -669
Okanogan 05:30:05 -44.8 Dark Up 41.8 80.0 Up 05:15:05 - 05:45:05 -692
Brewster 05:30:07 -44.9 Dark Up 41.6 79.7 Up 05:15:07 - 05:45:07 -708
Manson/Chelan 05:30:08 -44.8 Dark Up 41.3 79.3 Up 05:15:08 - 05:45:08 -711
Wenatchee 05:30:10 -45.1 Dark Up 41.1 78.7 Up 05:15:10 - 05:45:10 -745
Ellensburg 05:30:12 -45.2 Dark Up 40.9 78.3 Up 05:15:12 - 05:45:12 -772
Yakima 05:30:13 -45.5 Dark Up 40.8 77.9 Up 05:15:13 - 05:45:13 -806
Sleaford 05:29:27 -47.3 Dark Up 50.6 93.8 Up 05:14:27 - 05:44:27 -816
Toppenish/White Swan 05:30:14 -45.7 Dark Up 40.9 77.8 Up 05:15:14 - 05:45:14 -831
Goldendale 05:30:17 -45.8 Dark Up 40.5 77.1 Up 05:15:17 - 05:45:17 -862
The Dalles 05:30:18 -45.8 Dark Up 40.2 76.7 Up 05:15:18 - 05:45:18 -867
Maupin 05:30:19 -46.1 Dark Up 40.2 76.4 Up 05:15:19 - 05:45:19 -907
PNWRO 05:30:12 -46.7 Dark Up 41.8 78.4 Up 05:15:12 - 05:45:12 -922
Sisters 05:30:22 -46.3 Dark Up 39.6 75.5 Up 05:15:22 - 05:45:22 -963
Bend 05:30:23 -46.6 Dark Up 39.8 75.4 Up 05:15:23 - 05:45:23 -994
Oregon Observatory 05:30:24 -46.6 Dark Up 39.6 75.2 Up 05:15:24 - 05:45:24 -1004
North Lake 05:30:25 -47.3 Dark Up 39.8 75.0 Up 05:15:25 - 05:45:25 -1082
Chiloquin 05:30:28 -47.2 Dark Up 39.0 74.0 Up 05:15:28 - 05:45:28 -1102
Klamath Falls 05:30:29 -47.4 Dark Up 39.0 73.7 Up 05:15:29 - 05:45:29 -1135
Lakeview 05:30:27 -48.3 Dark Up 40.0 74.4 Up 05:15:27 - 05:45:27 -1199
Fall River/Burney 05:30:33 -48.3 Dark Up 38.9 73.0 Up 05:15:33 - 05:45:33 -1256
Cedarville 05:30:29 -48.8 Dark Up 39.9 74.0 Up 05:15:29 - 05:45:29 -1265
Susanville 05:30:33 -49.1 Dark Up 39.3 72.9 Up 05:15:33 - 05:45:33 -1344
Greenville 05:30:34 -49.1 Dark Up 39.0 72.5 Up 05:15:34 - 05:45:34 -1356
Gimple 05:30:34 -49.1 Dark Up 39.0 72.6 Up 05:15:34 - 05:45:34 -1360
Quincy 05:30:35 -49.2 Dark Up 38.9 72.4 Up 05:15:35 - 05:45:35 -1374
Portola 05:30:35 -49.6 Dark Up 39.2 72.5 Up 05:15:35 - 05:45:35 -1406
Reno 05:30:34 -50.1 Dark Up 39.6 72.6 Up 05:15:34 - 05:45:34 -1458
Carson City 05:30:35 -50.3 Dark Up 39.5 72.3 Up 05:15:35 - 05:45:35 -1492
Gardnerville 05:30:36 -50.5 Dark Up 39.5 72.1 Up 05:15:36 - 05:45:36 -1516
Yerington 05:30:34 -50.9 Dark Up 39.9 72.4 Up 05:15:34 - 05:45:34 -1537
Hawthorne 05:30:35 -51.5 Dark Up 40.2 72.3 Up 05:15:35 - 05:45:35 -1603
Lee Vining 05:30:38 -51.5 Dark Up 39.7 71.6 Up 05:15:38 - 05:45:38 -1633
Tonopah 05:30:33 -52.6 Dark Up 41.1 72.5 Up 05:15:33 - 05:45:33 -1707
Bishop 05:30:37 -52.3 Dark Up 40.0 71.4 Up 05:15:37 - 05:45:37 -1721
Beatty 05:30:35 -53.6 Dark Up 41.1 71.7 Up 05:15:35 - 05:45:35 -1835
Indian Springs 05:30:33 -54.5 Dark Up 41.8 71.8 Up 05:15:33 - 05:45:33 -1913
Dunrhomin 05:29:58 -57.7 Dark Up 50.6 79.9 Up 05:14:58 - 05:44:58 -1969
Henderson 05:30:33 -55.3 Dark Up 42.2 71.6 Up 05:15:33 - 05:45:33 -1993
Wildwood 05:30:46 -53.8 Dark Up 38.8 68.9 Up 05:15:46 - 05:45:46 -2016
Laughlin/Bullhead City 05:30:35 -56.0 Dark Up 42.2 71.0 Up 05:15:35 - 05:45:35 -2094
Patrick 05:30:32 -56.4 Dark Up 42.8 71.5 Up 05:15:32 - 05:45:32 -2101
Kingman/Dolan Springs 05:30:33 -56.4 Dark Up 42.6 71.2 Up 05:15:33 - 05:45:33 -2114
Mohave Valley 05:30:35 -56.2 Dark Up 42.1 70.8 Up 05:15:35 - 05:45:35 -2120
Idyllwild 05:30:43 -55.4 Dark Up 40.1 69.2 Up 05:15:43 - 05:45:43 -2136
Lake Havasu City 05:30:35 -56.6 Dark Up 42.2 70.5 Up 05:15:35 - 05:45:35 -2169
Parker 05:30:36 -56.8 Dark Up 42.1 70.2 Up 05:15:36 - 05:45:36 -2205
Calipatria 05:30:42 -56.5 Dark Up 40.8 69.0 Up 05:15:42 - 05:45:42 -2248
Yuma 05:30:40 -57.4 Dark Up 41.3 68.9 Up 05:15:40 - 05:45:40 -2329
George/Scottsdale 05:30:31 -58.7 Dark Up 43.9 70.6 Up 05:15:31 - 05:45:31 -2351

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 14UH192, (2026/10/26 05:27UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 20.12  38
44Zet Per      03:54:07.9 +31:53:01  2.8  4.95  30
PPM 069012     04:01:14.8 +36:59:22  6.3  2.04  34
PPM 069159     04:09:43.3 +35:58:37  8.5  0.28  35
PPM 069144     04:08:52.8 +35:43:09  9.8  0.06  34
14UH192        04:09:10.7 +35:43:29 14.8        34
Positions are for J2000

Event circumstances last updated at 2022/01/18 00:10:08 UT

Marc W. Buie, Southwest Research Institute

RECON