RECON: TNO occultation with 14SF350

Event between 14SF350 and star GA0820:22481910 with event index number of 2686611

Geocentric closest approach at 2022/07/28 11:38:36 UTC

J2000 position of star is 23:55:09.1 -07:59:59
Equinox of date position of star is 23:56:16.4 -07:52:41
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 49.1 AU from the Sun and 48.4 AU from the Earth.
The TNO is moving 15.2 km/sec on the sky relative to the star, or, 1.6 arcsec/hr.
The 1-sigma error in the time of the event is 208 seconds.
The 1-sigma cross-track error in the shadow position is 3165 km.
The sky-plane scale is 35112.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=283.1 km assuming a 5% albedo -- 18.6 sec chord
Diameter=115.6 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14SF350, (2022/07/28 11:39UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:53.6 -29:30:08  1.2 25.49 145
Diphda         00:44:43.3 -17:51:47  2.0 15.45 120
PPM 208075     23:54:00.2 -08:52:17  5.8  1.15 128
PPM 208158     23:58:10.8 -07:13:44  8.5  0.79 126
PPM 208143     23:57:06.6 -07:38:16  9.8  0.31 127
14SF350        23:56:18.6 -07:52:26 16.4       127
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 4.3 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 11:35:51 -9.7 NT Down 33.4 177.5 Up 11:20:51 - 11:50:51 10893
Clarence Fulton 11:35:32 -6.6 NT Down 31.7 182.2 Up 11:20:32 - 11:50:32 10826
Peachland 11:35:33 -7.2 NT Down 32.2 181.7 Up 11:20:33 - 11:50:33 10817
Kelowna 11:35:30 -7.0 NT Down 32.1 182.0 Up 11:20:30 - 11:50:30 10812
Summerland 11:35:33 -7.2 NT Down 32.4 181.8 Up 11:20:33 - 11:50:33 10806
Penticton 11:35:31 -7.2 NT Down 32.4 181.9 Up 11:20:31 - 11:50:31 10798
Oliver 11:35:33 -7.4 NT Down 32.8 182.0 Up 11:20:33 - 11:50:33 10780
Anarchist Mountain Observatory 11:35:33 -7.4 NT Down 33.0 182.2 Up 11:20:33 - 11:50:33 10764
Tonasket 11:35:35 -7.7 NT Down 33.3 182.1 Up 11:20:35 - 11:50:35 10750
Okanogan 11:35:33 -8.0 NT Down 33.6 181.9 Up 11:20:33 - 11:50:33 10737
Manson/Chelan 11:35:38 -8.6 NT Down 34.1 181.3 Up 11:20:38 - 11:50:38 10734
Brewster 11:35:38 -8.2 NT Down 33.9 181.7 Up 11:20:38 - 11:50:38 10731
Wenatchee 11:35:40 -9.0 NT Down 34.6 181.1 Up 11:20:40 - 11:50:40 10715
Ellensburg 11:35:43 -9.3 NT Down 35.0 180.9 Up 11:20:43 - 11:50:43 10701
Yakima 11:35:40 -9.6 NT Down 35.4 180.8 Up 11:20:40 - 11:50:40 10680
Toppenish/White Swan 11:35:43 -9.7 NT Down 35.6 181.1 Up 11:20:43 - 11:50:43 10660
The Dalles 11:35:48 -10.6 NT Down 36.4 180.1 Up 11:20:48 - 11:50:48 10649
Goldendale 11:35:45 -10.3 NT Down 36.2 180.6 Up 11:20:45 - 11:50:45 10647
Maupin 11:35:50 -10.8 NT Down 36.8 180.3 Up 11:20:50 - 11:50:50 10621
Pasco 11:35:39 -9.1 NT Down 35.7 182.6 Up 11:20:39 - 11:50:39 10602
Sisters 11:35:54 -11.6 NT Down 37.7 179.7 Up 11:20:54 - 11:50:54 10591
PNWRO 11:35:37 -9.1 NT Down 36.0 182.9 Up 11:20:37 - 11:50:37 10579
Redmond 11:35:52 -11.4 NT Down 37.7 180.2 Up 11:20:52 - 11:50:52 10573
Bend 11:35:54 -11.7 NT Down 37.9 180.0 Up 11:20:54 - 11:50:54 10567
Oregon Observatory 11:35:54 -11.8 NT Down 38.1 179.8 Up 11:20:54 - 11:50:54 10562
La Pine/Gilchrist 11:35:54 -12.0 AT Down 38.3 179.8 Up 11:20:54 - 11:50:54 10552
Chiloquin 11:35:58 -12.9 AT Down 39.4 179.3 Up 11:20:58 - 11:50:58 10501
North Lake 11:35:53 -12.0 NT Down 38.8 180.5 Up 11:20:53 - 11:50:53 10501
Klamath Falls 11:35:58 -13.1 AT Down 39.8 179.4 Up 11:20:58 - 11:50:58 10477
Paisley 11:35:53 -12.1 AT Down 39.3 181.0 Up 11:20:53 - 11:50:53 10453
Lakeview 11:35:54 -12.3 AT Down 39.8 181.2 Up 11:20:54 - 11:50:54 10414
Fall River/Burney 11:36:00 -13.7 AT Down 41.0 179.9 Up 11:21:00 - 11:51:00 10388
Cedarville 11:35:53 -12.7 AT Down 40.5 181.5 Up 11:20:53 - 11:50:53 10366
Susanville 11:35:58 -13.7 AT Down 41.6 180.9 Up 11:20:58 - 11:50:58 10316
Greenville 11:36:00 -14.0 AT Down 41.9 180.5 Up 11:21:00 - 11:51:00 10312
Gimple 11:36:00 -14.0 AT Down 41.9 180.6 Up 11:21:00 - 11:51:00 10308
Quincy 11:36:02 -14.1 AT Down 42.1 180.5 Up 11:21:02 - 11:51:02 10299
Portola 11:35:59 -13.9 AT Down 42.2 181.1 Up 11:20:59 - 11:50:59 10269
Reno 11:35:57 -13.7 AT Down 42.4 182.0 Up 11:20:57 - 11:50:57 10224
Carson City 11:35:57 -13.9 AT Down 42.8 182.1 Up 11:20:57 - 11:50:57 10199
Gardnerville 11:35:59 -14.1 AT Down 43.0 182.1 Up 11:20:59 - 11:50:59 10181
Yerington 11:35:56 -13.7 AT Down 43.0 182.9 Up 11:20:56 - 11:50:56 10158
Hawthorne 11:35:53 -13.7 AT Down 43.4 183.6 Up 11:20:53 - 11:50:53 10102
Lee Vining 11:35:56 -14.3 AT Down 44.0 183.0 Up 11:20:56 - 11:50:56 10087
Bishop 11:35:54 -14.2 AT Down 44.6 184.1 Up 11:20:54 - 11:50:54 10013
Tonopah 11:35:47 -13.1 AT Down 43.8 185.6 Up 11:20:47 - 11:50:47 10006
CPSLO 11:36:11 -16.9 AT Down 46.7 181.0 Up 11:21:11 - 11:51:11 9977
Beatty 11:35:48 -13.5 AT Down 44.9 186.3 Up 11:20:48 - 11:50:48 9904
Indian Springs 11:35:44 -13.0 AT Down 45.1 187.9 Up 11:20:44 - 11:50:44 9830
Wildwood 11:36:08 -16.3 AT Down 47.8 184.1 Up 11:21:08 - 11:51:08 9793
Henderson 11:35:42 -12.8 AT Down 45.6 188.9 Up 11:20:42 - 11:50:42 9759
Laughlin/Bullhead City 11:35:43 -13.1 AT Down 46.4 189.6 Up 11:20:43 - 11:50:43 9676
Idyllwild 11:35:54 -15.3 AT Down 48.0 186.8 Up 11:20:54 - 11:50:54 9675
Patrick 11:35:37 -12.5 AT Down 46.0 190.5 Up 11:20:37 - 11:50:37 9660
Mohave Valley 11:35:47 -13.2 AT Down 46.6 189.7 Up 11:20:47 - 11:50:47 9656
Kingman/Dolan Springs 11:35:43 -12.7 AT Down 46.3 190.4 Up 11:20:43 - 11:50:43 9653
Lake Havasu City 11:35:42 -13.3 AT Down 47.0 190.1 Up 11:20:42 - 11:50:42 9614
Dunrhomin 11:34:47 -4.2 CT Up 39.6 200.6 Up 11:19:47 - 11:49:47 9609
Parker 11:35:47 -13.5 AT Down 47.3 190.2 Up 11:20:47 - 11:50:47 9587
Calipatria 11:35:52 -14.9 AT Down 48.5 188.7 Up 11:20:52 - 11:50:52 9571
Blythe 11:35:45 -14.0 AT Down 47.9 189.9 Up 11:20:45 - 11:50:45 9562
Yuma 11:35:49 -14.5 AT Down 48.8 190.0 Up 11:20:49 - 11:50:49 9495
George/Scottsdale 11:35:31 -12.0 AT Down 47.3 193.8 Up 11:20:31 - 11:50:31 9435

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 14SF350, (2022/07/28 11:39UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 25.49 145
Diphda         00:43:35.7 -17:59:11  2.0 15.45 120
PPM 208075     23:52:50.7 -08:59:49  5.8  1.15 128
PPM 208158     23:57:01.4 -07:21:16  8.5  0.79 126
PPM 208143     23:55:57.1 -07:45:49  9.8  0.31 127
14SF350        23:55:09.1 -07:59:59 16.4       127
Positions are for J2000

Event circumstances last updated at 2021/11/02 00:45:11 UT

Marc W. Buie, Southwest Research Institute

RECON