RECON: TNO occultation with 14FB72

Event between 14FB72 and star GA0680:07769433 with event index number of 2472841

Geocentric closest approach at 2023/05/05 06:27:41 UTC

J2000 position of star is 16:51:31.4 -20:10:03
Equinox of date position of star is 16:52:52.0 -20:12:16
Stellar brightness G=16.4, 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=21.7

[RECON map]
TNO is 20.2 AU from the Sun and 19.3 AU from the Earth.
The TNO is moving 19.2 km/sec on the sky relative to the star, or, 4.9 arcsec/hr.
The 1-sigma error in the time of the event is 50 seconds.
The 1-sigma cross-track error in the shadow position is 750 km.
The sky-plane scale is 14002.1 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=117.5 km assuming a 5% albedo -- 6.1 sec chord
Diameter=48.0 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14FB72, (2023/05/05 06:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.5 -26:28:54  0.9  8.06  31
35Eta Oph      17:11:43.1 -15:45:08  2.6  6.31  40
PPM 266088     16:54:48.1 -20:27:09  5.7  0.51  36
PPM 266042     16:52:30.9 -20:39:57  7.8  0.47  35
PPM 266080     16:54:19.2 -20:13:12  8.9  0.33  36
14FB72         16:52:54.2 -20:12:19 16.4        36
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 57.9 km RECON observability=0.1 and success probability=33.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:30:59 -21.4 Dark Up 10.5 143.8 Really Low 06:26:19 - 06:35:39 1291
Kamloops 06:31:34 -20.5 Dark Up 5.5 131.6 Really Low 06:26:54 - 06:36:14 800
Kelowna 06:31:35 -21.4 Dark Up 6.5 132.3 Really Low 06:26:55 - 06:36:15 775
Peachland 06:31:35 -21.5 Dark Up 6.4 132.0 Really Low 06:26:55 - 06:36:15 759
Summerland 06:31:36 -21.6 Dark Up 6.5 132.1 Really Low 06:26:56 - 06:36:16 752
Penticton 06:31:35 -21.7 Dark Up 6.6 132.2 Really Low 06:26:55 - 06:36:15 751
Oliver 06:31:37 -22.1 Dark Up 6.9 132.1 Really Low 06:26:57 - 06:36:17 728
Anarchist Mountain Observatory 06:31:37 -22.3 Dark Up 7.1 132.3 Really Low 06:26:57 - 06:36:17 723
Tonasket 06:31:38 -22.5 Dark Up 7.3 132.2 Really Low 06:26:58 - 06:36:18 701
Okanogan 06:31:39 -22.8 Dark Up 7.4 132.0 Really Low 06:26:59 - 06:36:19 674
Brewster 06:31:40 -23.0 Dark Up 7.5 131.9 Really Low 06:27:00 - 06:36:20 650
Manson/Chelan 06:31:41 -23.1 Dark Up 7.5 131.5 Really Low 06:27:01 - 06:36:21 625
Dunrhomin 06:31:18 -33.2 Dark Up 20.3 142.6 Low 06:26:38 - 06:35:58 596
Wenatchee 06:31:43 -23.5 Dark Up 7.7 131.4 Really Low 06:27:03 - 06:36:23 587
CU-SBO 06:31:19 -33.5 Dark Up 20.4 142.5 Low 06:26:39 - 06:35:59 575
Victoria 06:31:46 -21.7 Dark Up 5.4 129.0 Really Low 06:27:06 - 06:36:26 567
Ellensburg 06:31:44 -23.8 Dark Up 7.9 131.2 Really Low 06:27:04 - 06:36:24 553
PNWRO 06:31:44 -25.2 Dark Up 9.4 132.4 Really Low 06:27:04 - 06:36:24 537
Yakima 06:31:45 -24.2 Dark Up 8.1 131.1 Really Low 06:27:05 - 06:36:25 524
Toppenish/White Swan 06:31:46 -24.5 Dark Up 8.3 131.2 Really Low 06:27:06 - 06:36:26 515
Goldendale 06:31:48 -24.9 Dark Up 8.5 130.8 Really Low 06:27:08 - 06:36:28 463
The Dalles 06:31:49 -25.0 Dark Up 8.4 130.5 Really Low 06:27:09 - 06:36:29 435
Maupin 06:31:50 -25.4 Dark Up 8.8 130.6 Really Low 06:27:10 - 06:36:30 409
Sisters 06:31:53 -26.0 Dark Up 9.1 130.1 Really Low 06:27:13 - 06:36:33 330
Bend 06:31:53 -26.3 Dark Up 9.4 130.2 Really Low 06:27:13 - 06:36:33 322
Oregon Observatory 06:31:54 -26.4 Dark Up 9.4 130.1 Really Low 06:27:14 - 06:36:34 305
North Lake 06:31:54 -27.2 Dark Up 10.1 130.5 Really Low 06:27:14 - 06:36:34 277
Lakeview 06:31:56 -28.3 Dark Up 11.1 130.7 Really Low 06:27:16 - 06:36:36 217
Chiloquin 06:31:58 -27.5 Dark Up 10.0 129.6 Really Low 06:27:18 - 06:36:38 194
Cedarville 06:31:57 -29.0 Dark Up 11.7 130.8 Really Low 06:27:17 - 06:36:37 175
Klamath Falls 06:31:59 -27.9 Dark Up 10.3 129.7 Really Low 06:27:19 - 06:36:39 171
Fall River/Burney 06:32:00 -29.1 Dark Up 11.3 129.8 Really Low 06:27:20 - 06:36:40 96
Susanville 06:32:00 -29.9 Dark Up 12.1 130.2 Really Low 06:27:20 - 06:36:40 74
Gimple 06:32:01 -30.0 Dark Up 12.2 130.0 Really Low 06:27:21 - 06:36:41 45
Greenville 06:32:01 -30.0 Dark Up 12.1 130.0 Really Low 06:27:21 - 06:36:41 42
Reno 06:32:00 -30.9 Dark Up 13.2 130.7 Really Low 06:27:20 - 06:36:40 36
Portola 06:32:01 -30.5 Dark Up 12.6 130.3 Really Low 06:27:21 - 06:36:41 34
Quincy 06:32:02 -30.2 Dark Up 12.3 130.0 Really Low 06:27:22 - 06:36:42 27
Yerington 06:31:59 -31.6 Dark Up 13.9 131.1 Really Low 06:27:19 - 06:36:39 17
Tonopah 06:31:56 -33.1 Dark Up 15.7 132.4 Really Low 06:27:16 - 06:36:36 15
Carson City 06:32:00 -31.3 Dark Up 13.4 130.7 Really Low 06:27:20 - 06:36:40 10
Hawthorne 06:31:59 -32.2 Dark Up 14.5 131.4 Really Low 06:27:19 - 06:36:39 0
Gardnerville 06:32:01 -31.5 Dark Up 13.6 130.7 Really Low 06:27:21 - 06:36:41 -8
Indian Springs 06:31:55 -34.9 Dark Up 17.6 133.3 Really Low 06:27:15 - 06:36:35 -45
Beatty 06:31:57 -34.3 Dark Up 16.7 132.5 Really Low 06:27:17 - 06:36:37 -59
Lee Vining 06:32:01 -32.6 Dark Up 14.6 131.0 Really Low 06:27:21 - 06:36:41 -61
Henderson 06:31:54 -35.6 Dark Up 18.3 133.7 Really Low 06:27:14 - 06:36:34 -61
Patrick 06:31:51 -36.4 Dark Up 19.4 134.4 Really Low 06:27:11 - 06:36:31 -69
Bishop 06:32:00 -33.4 Dark Up 15.4 131.4 Really Low 06:27:20 - 06:36:40 -82
Kingman/Dolan Springs 06:31:52 -36.6 Dark Up 19.5 134.2 Really Low 06:27:12 - 06:36:32 -94
Laughlin/Bullhead City 06:31:54 -36.5 Dark Up 19.2 133.8 Really Low 06:27:14 - 06:36:34 -115
George/Scottsdale 06:31:48 -38.6 Dark Up 21.8 135.5 Low 06:27:08 - 06:36:28 -128
Mohave Valley 06:31:54 -36.8 Dark Up 19.4 133.7 Really Low 06:27:14 - 06:36:34 -137
Lake Havasu City 06:31:54 -37.2 Dark Up 19.8 133.8 Really Low 06:27:14 - 06:36:34 -159
Parker 06:31:54 -37.5 Dark Up 20.1 133.7 Low 06:27:14 - 06:36:34 -186
Idyllwild 06:32:02 -37.2 Dark Up 18.9 131.8 Really Low 06:27:22 - 06:36:42 -310
Calipatria 06:31:59 -38.2 Dark Up 20.0 132.5 Low 06:27:19 - 06:36:39 -315
Yuma 06:31:57 -38.8 Dark Up 20.9 133.1 Low 06:27:17 - 06:36:37 -316
Wildwood 06:32:06 -36.3 Dark Up 17.5 130.5 Really Low 06:27:26 - 06:36:46 -353

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 14FB72, (2023/05/05 06:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.06  31
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.31  40
PPM 266088     16:53:25.2 -20:24:57  5.7  0.51  36
PPM 266042     16:51:07.8 -20:37:40  7.8  0.47  35
PPM 266080     16:52:56.4 -20:10:59  8.9  0.33  36
14FB72         16:51:31.4 -20:10:03 16.4        35
Positions are for J2000

Event circumstances last updated at 2022/09/29 04:20:48 UT

Marc W. Buie, Southwest Research Institute

RECON