RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0780:15620340 with event index number of 2591949

Geocentric closest approach at 2028/06/27 09:58:15 UTC

J2000 position of star is 18:49:20.1 -11:29:36
Equinox of date position of star is 18:50:34.0 -11:28:00
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 22.9 AU from the Sun and 21.9 AU from the Earth.
The TNO is moving 23.3 km/sec on the sky relative to the star, or, 5.3 arcsec/hr.
The 1-sigma error in the time of the event is 239 seconds.
The 1-sigma cross-track error in the shadow position is 1895 km.
The sky-plane scale is 15906.6 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 3.4 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2028/06/27 09:58UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.5 -26:29:33  0.9 36.13  91
Nunki          18:57:01.8 -26:15:31  2.0 14.87 124
PPM 235005     18:48:17.6 -10:05:33  5.9  1.51 123
PPM 235045     18:49:55.2 -11:21:31  7.6  0.26 124
PPM 235084     18:51:18.1 -11:23:44  9.7  0.11 124
533396         18:50:55.2 -11:27:32 16.8       124
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 3.8 sigma about the mid-time.
The median site spacing is 25.6 km RECON observability=0.7 and success probability=5.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 09:56:34 -12.0 AT Down 24.8 204.4 Low 09:41:34 - 10:11:34 4921
Kelowna 09:56:31 -12.5 AT Down 25.3 205.5 Low 09:41:31 - 10:11:31 4859
Peachland 09:56:32 -12.7 AT Down 25.5 205.2 Low 09:41:32 - 10:11:32 4857
Summerland 09:56:31 -12.8 AT Down 25.6 205.3 Low 09:41:31 - 10:11:31 4847
Penticton 09:56:31 -12.8 AT Down 25.6 205.4 Low 09:41:31 - 10:11:31 4841
Victoria 09:56:41 -14.8 AT Down 27.6 201.6 Low 09:41:41 - 10:11:41 4840
Oliver 09:56:31 -13.1 AT Down 26.0 205.5 Low 09:41:31 - 10:11:31 4820
Anarchist Mountain Observatory 09:56:30 -13.2 AT Down 26.1 205.7 Low 09:41:30 - 10:11:30 4807
Tonasket 09:56:30 -13.5 AT Down 26.4 205.7 Low 09:41:30 - 10:11:30 4789
Sleaford 09:56:01 -6.1 NT Down 19.0 218.4 Really Low 09:41:01 - 10:11:01 4776
Okanogan 09:56:30 -13.9 AT Down 26.7 205.6 Low 09:41:30 - 10:11:30 4771
Brewster 09:56:30 -14.2 AT Down 27.0 205.5 Low 09:41:30 - 10:11:30 4758
Manson/Chelan 09:56:31 -14.5 AT Down 27.3 205.2 Low 09:41:31 - 10:11:31 4751
Wenatchee 09:56:31 -14.9 AT Down 27.8 205.1 Low 09:41:31 - 10:11:31 4724
Ellensburg 09:56:31 -15.4 AT Down 28.2 204.9 Low 09:41:31 - 10:11:31 4701
Yakima 09:56:31 -15.7 AT Down 28.6 205.0 Low 09:41:31 - 10:11:31 4676
Toppenish/White Swan 09:56:30 -15.9 AT Down 28.7 205.2 Low 09:41:30 - 10:11:30 4659
Goldendale 09:56:31 -16.5 AT Down 29.4 204.9 Low 09:41:31 - 10:11:31 4631
The Dalles 09:56:32 -16.8 AT Down 29.7 204.6 Low 09:41:32 - 10:11:32 4622
PNWRO 09:56:26 -15.7 AT Down 28.6 206.9 Low 09:41:26 - 10:11:26 4610
Maupin 09:56:32 -17.2 AT Down 30.0 204.8 Up 09:41:32 - 10:11:32 4593
Sisters 09:56:32 -18.1 Dark Down 31.0 204.5 Up 09:41:32 - 10:11:32 4543
Bend 09:56:31 -18.2 Dark Down 31.1 204.8 Up 09:41:31 - 10:11:31 4523
Oregon Observatory 09:56:32 -18.4 Dark Down 31.3 204.7 Up 09:41:32 - 10:11:32 4513
North Lake 09:56:29 -18.8 Dark Down 31.7 205.5 Up 09:41:29 - 10:11:29 4460
Chiloquin 09:56:32 -19.8 Dark Down 32.6 204.6 Up 09:41:32 - 10:11:32 4430
Klamath Falls 09:56:32 -20.0 Dark Down 32.9 204.8 Up 09:41:32 - 10:11:32 4405
Lakeview 09:56:26 -19.6 Dark Down 32.5 206.4 Up 09:41:26 - 10:11:26 4377
Cedarville 09:56:26 -20.1 Dark Down 33.0 206.7 Up 09:41:26 - 10:11:26 4328
Fall River/Burney 09:56:29 -21.0 Dark Down 33.9 205.5 Up 09:41:29 - 10:11:29 4314
Susanville 09:56:27 -21.3 Dark Down 34.2 206.5 Up 09:41:27 - 10:11:27 4256
Greenville 09:56:27 -21.6 Dark Down 34.5 206.3 Up 09:41:27 - 10:11:27 4241
Gimple 09:56:27 -21.6 Dark Down 34.5 206.4 Up 09:41:27 - 10:11:27 4239
Quincy 09:56:27 -21.8 Dark Down 34.7 206.4 Up 09:41:27 - 10:11:27 4226
Portola 09:56:25 -21.8 Dark Down 34.7 206.9 Up 09:41:25 - 10:11:25 4208
Reno 09:56:23 -21.8 Dark Down 34.7 207.7 Up 09:41:23 - 10:11:23 4177
Carson City 09:56:23 -22.1 Dark Down 35.0 207.9 Up 09:41:23 - 10:11:23 4150
Gardnerville 09:56:23 -22.3 Dark Down 35.2 208.0 Up 09:41:23 - 10:11:23 4130
Yerington 09:56:20 -22.0 Dark Down 34.9 208.6 Up 09:41:20 - 10:11:20 4123
Hawthorne 09:56:19 -22.2 Dark Down 35.1 209.4 Up 09:41:19 - 10:11:19 4078
Lee Vining 09:56:20 -22.9 Dark Down 35.8 209.0 Up 09:41:20 - 10:11:20 4045
Tonopah 09:56:13 -22.1 Dark Down 35.0 211.0 Up 09:41:13 - 10:11:13 4016
Bishop 09:56:17 -23.1 Dark Down 36.0 210.0 Up 09:41:17 - 10:11:17 3984
Dunrhomin 09:55:39 -14.9 AT Down 27.7 222.3 Low 09:40:39 - 10:10:39 3946
CU-SBO 09:55:39 -15.2 AT Down 27.9 222.3 Low 09:40:39 - 10:10:39 3929
Beatty 09:56:11 -22.9 Dark Down 35.8 212.0 Up 09:41:11 - 10:11:11 3916
Indian Springs 09:56:08 -22.7 Dark Down 35.6 213.2 Up 09:41:08 - 10:11:08 3869
Henderson 09:56:05 -22.9 Dark Down 35.7 214.2 Up 09:41:05 - 10:11:05 3812
Patrick 09:56:01 -22.9 Dark Down 35.7 215.6 Up 09:41:01 - 10:11:01 3739
Laughlin/Bullhead City 09:56:03 -23.4 Dark Down 36.3 215.0 Up 09:41:03 - 10:11:03 3734
Wildwood 09:56:16 -26.1 Dark Down 39.0 211.1 Up 09:41:16 - 10:11:16 3728
Kingman/Dolan Springs 09:56:01 -23.2 Dark Down 36.0 215.5 Up 09:41:01 - 10:11:01 3725
Mohave Valley 09:56:02 -23.6 Dark Down 36.5 215.1 Up 09:41:02 - 10:11:02 3711
Lake Havasu City 09:56:01 -23.9 Dark Down 36.7 215.5 Up 09:41:01 - 10:11:01 3673
Idyllwild 09:56:09 -25.6 Dark Down 38.4 213.3 Up 09:41:09 - 10:11:09 3661
Parker 09:56:01 -24.1 Dark Down 37.0 215.7 Up 09:41:01 - 10:11:01 3644
Calipatria 09:56:05 -25.6 Dark Down 38.4 214.9 Up 09:41:05 - 10:11:05 3585
George/Scottsdale 09:55:53 -23.3 Dark Down 36.1 218.4 Up 09:40:53 - 10:10:53 3558
Yuma 09:56:01 -25.5 Dark Down 38.3 216.0 Up 09:41:01 - 10:11:01 3530

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 533396, (2028/06/27 09:58UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 36.13  91
Nunki          18:55:15.9 -26:17:49  2.0 14.87 124
PPM 235005     18:46:43.3 -10:07:30  5.9  1.51 123
PPM 235045     18:48:20.1 -11:23:33  7.6  0.26 124
PPM 235084     18:49:43.0 -11:25:49  9.7  0.11 124
533396         18:49:20.1 -11:29:36 16.8       124
Positions are for J2000

Event circumstances last updated at 2022/02/14 02:52:22 UT

Marc W. Buie, Southwest Research Institute

RECON