RECON: TNO occultation with 14UH192

Event between 14UH192 and star GA1240:01139527 with event index number of 2739003

Geocentric closest approach at 2027/08/21 08:35:32 UTC

J2000 position of star is 04:20:02.6 +35:55:03
Equinox of date position of star is 04:21:29.9 +35:58:09
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 56 degrees from the moon. Moon is 85% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 35.9 AU from the Sun and 36.1 AU from the Earth.
The TNO is moving 13.5 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 225 seconds.
The 1-sigma cross-track error in the shadow position is 4044 km.
The sky-plane scale is 26147.1 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=284.5 km assuming a 5% albedo -- 21.0 sec chord
Diameter=116.1 km assuming a 30% albedo -- 8.6 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 14UH192, (2027/08/21 08:36UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:30.6 +16:33:46  0.8 19.73  57
44Zet Per      03:55:52.6 +31:57:48  2.8  6.72  50
55 Per         04:26:17.1 +34:11:33  5.5  2.00  57
PPM 069372     04:25:00.7 +36:05:53  8.2  0.65  57
PPM 069342     04:22:33.1 +35:51:51  9.2  0.18  56
14UH192        04:21:51.9 +35:58:55 15.1        56
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 4.0 sigma about the mid-time.
The median site spacing is 3.4 km RECON observability=1.0 and success probability=5.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Chiloquin 08:34:23 -35.0 Dark Up 24.1 62.5 Low 08:19:23 - 08:49:23 858
Klamath Falls 08:34:20 -35.4 Dark Up 24.0 62.4 Low 08:19:20 - 08:49:20 857
Fall River/Burney 08:34:10 -36.5 Dark Up 23.7 62.1 Low 08:19:10 - 08:49:10 849
Greenville 08:34:02 -37.3 Dark Up 23.6 62.0 Low 08:19:02 - 08:49:02 836
Quincy 08:34:01 -37.5 Dark Up 23.5 61.9 Low 08:19:01 - 08:49:01 835
Victoria 08:35:09 -29.2 Dark Up 26.0 64.3 Low 08:20:09 - 08:50:09 835
Sisters 08:34:34 -33.3 Dark Up 25.1 63.4 Low 08:19:34 - 08:49:34 834
Oregon Observatory 08:34:32 -33.7 Dark Up 25.0 63.3 Low 08:19:32 - 08:49:32 833
Gimple 08:34:03 -37.3 Dark Up 23.6 62.0 Low 08:19:03 - 08:49:03 832
Bend 08:34:33 -33.5 Dark Up 25.2 63.5 Low 08:19:33 - 08:49:33 827
Susanville 08:34:04 -37.0 Dark Up 23.9 62.3 Low 08:19:04 - 08:49:04 824
North Lake 08:34:25 -34.3 Dark Up 25.1 63.3 Low 08:19:25 - 08:49:25 819
Portola 08:33:59 -37.6 Dark Up 23.7 62.1 Low 08:18:59 - 08:48:59 819
Maupin 08:34:39 -32.4 Dark Up 25.9 64.1 Low 08:19:39 - 08:49:39 807
Lakeview 08:34:16 -35.3 Dark Up 24.9 63.2 Low 08:19:16 - 08:49:16 806
The Dalles 08:34:44 -32.0 Dark Up 26.0 64.2 Low 08:19:44 - 08:49:44 806
Cedarville 08:34:11 -35.9 Dark Up 24.7 63.0 Low 08:19:11 - 08:49:11 803
Reno 08:33:56 -37.8 Dark Up 24.0 62.3 Low 08:18:56 - 08:48:56 794
Carson City 08:33:52 -38.2 Dark Up 23.9 62.2 Low 08:18:52 - 08:48:52 793
Goldendale 08:34:44 -31.7 Dark Up 26.3 64.5 Low 08:19:44 - 08:49:44 792
Gardnerville 08:33:51 -38.4 Dark Up 23.8 62.1 Low 08:18:51 - 08:48:51 791
Yakima 08:34:49 -30.9 Dark Up 26.8 65.0 Low 08:19:49 - 08:49:49 774
Toppenish/White Swan 08:34:46 -31.1 Dark Up 26.8 65.0 Low 08:19:46 - 08:49:46 771
Yerington 08:33:50 -38.3 Dark Up 24.2 62.4 Low 08:18:50 - 08:48:50 768
Ellensburg 08:34:51 -30.5 Dark Up 27.0 65.2 Low 08:19:51 - 08:49:51 768
Lee Vining 08:33:43 -39.3 Dark Up 23.7 62.0 Low 08:18:43 - 08:48:43 766
Wenatchee 08:34:55 -30.1 Dark Up 27.3 65.6 Low 08:19:55 - 08:49:55 754
Hawthorne 08:33:46 -38.6 Dark Up 24.3 62.4 Low 08:18:46 - 08:48:46 746
Manson/Chelan 08:34:58 -29.6 Dark Up 27.6 65.9 Low 08:19:58 - 08:49:58 742
Bishop 08:33:36 -39.8 Dark Up 23.9 62.1 Low 08:18:36 - 08:48:36 733
Brewster 08:34:59 -29.3 Dark Up 27.9 66.2 Low 08:19:59 - 08:49:59 727
PNWRO 08:34:41 -31.3 Dark Up 27.6 65.7 Low 08:19:41 - 08:49:41 723
Wildwood 08:33:12 -43.0 Dark Up 22.2 60.7 Low 08:18:12 - 08:48:12 719
Okanogan 08:35:01 -29.0 Dark Up 28.2 66.5 Low 08:20:01 - 08:50:01 716
Tonasket 08:35:03 -28.7 Dark Up 28.4 66.7 Low 08:20:03 - 08:50:03 706
Oliver 08:35:07 -28.2 Dark Up 28.5 66.9 Low 08:20:07 - 08:50:07 702
Kamloops 08:35:19 -26.8 Dark Up 28.7 67.2 Low 08:20:19 - 08:50:19 701
Peachland 08:35:11 -27.7 Dark Up 28.6 67.1 Low 08:20:11 - 08:50:11 699
Anarchist Mountain Observatory 08:35:05 -28.4 Dark Up 28.6 66.9 Low 08:20:05 - 08:50:05 699
Summerland 08:35:10 -27.8 Dark Up 28.6 67.1 Low 08:20:10 - 08:50:10 699
Penticton 08:35:09 -27.9 Dark Up 28.7 67.1 Low 08:20:09 - 08:50:09 696
Tonopah 08:33:38 -38.9 Dark Up 25.1 62.9 Low 08:18:38 - 08:48:38 688
Kelowna 08:35:12 -27.6 Dark Up 28.9 67.3 Low 08:20:12 - 08:50:12 687
Beatty 08:33:29 -39.9 Dark Up 24.9 62.6 Low 08:18:29 - 08:48:29 663
Idyllwild 08:33:05 -43.0 Dark Up 23.3 61.3 Low 08:18:05 - 08:48:05 635
Indian Springs 08:33:24 -40.0 Dark Up 25.5 62.9 Low 08:18:24 - 08:48:24 614
Henderson 08:33:19 -40.4 Dark Up 25.7 62.9 Low 08:18:19 - 08:48:19 578
Calipatria 08:32:58 -43.3 Dark Up 23.9 61.5 Low 08:17:58 - 08:47:58 573
Laughlin/Bullhead City 08:33:11 -41.1 Dark Up 25.6 62.7 Low 08:18:11 - 08:48:11 552
Mohave Valley 08:33:09 -41.4 Dark Up 25.5 62.6 Low 08:18:09 - 08:48:09 549
Lake Havasu City 08:33:06 -41.7 Dark Up 25.4 62.5 Low 08:18:06 - 08:48:06 533
Kingman/Dolan Springs 08:33:10 -41.0 Dark Up 26.0 62.9 Low 08:18:10 - 08:48:10 529
Parker 08:33:04 -42.1 Dark Up 25.3 62.4 Low 08:18:04 - 08:48:04 528
Yuma 08:32:53 -43.5 Dark Up 24.3 61.7 Low 08:17:53 - 08:47:53 525
Patrick 08:33:12 -40.7 Dark Up 26.2 63.1 Low 08:18:12 - 08:48:12 522
George/Scottsdale 08:32:55 -41.8 Dark Up 26.9 63.1 Low 08:17:55 - 08:47:55 406
Sleaford 08:35:09 -23.0 Dark Up 37.6 77.6 Up 08:20:09 - 08:50:09 152
Dunrhomin 08:33:34 -33.6 Dark Up 34.5 69.5 Up 08:18:34 - 08:48:34 136

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, (2027/08/21 08:36UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 19.73  57
44Zet Per      03:54:07.9 +31:53:01  2.8  6.72  50
55 Per         04:24:29.2 +34:07:51  5.5  2.00  57
PPM 069372     04:23:11.2 +36:02:08  8.2  0.65  57
PPM 069342     04:20:43.9 +35:48:01  9.2  0.18  56
14UH192        04:20:02.6 +35:55:03 15.1        56
Positions are for J2000

Event circumstances last updated at 2022/01/28 00:19:47 UT

Marc W. Buie, Southwest Research Institute

RECON