RECON: TNO occultation with 14WY535

Event between 14WY535 and star GA0840:03730014 with event index number of 2560955

Geocentric closest approach at 2024/02/05 06:19:14 UTC

J2000 position of star is 09:07:15.8 -05:19:48
Equinox of date position of star is 09:08:27.8 -05:25:40
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon. Moon is 27% illuminated.
Apparent brightness V=21.7

[RECON map]
Object is 35.7 AU from the Sun and 34.8 AU from the Earth.
Apparent velocity is 24.5 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is 1274 km.
The sky-plane scale is 25231.7 km/arcsec.

The object has an absolute magnitude Hv=6.2
Diameter=338.9 km assuming a 5% albedo -- 14.2 sec chord
Diameter=138.3 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14WY535, (2024/02/05 06:19UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.2 +11:50:55  1.3 23.02 103
Alphard        09:28:46.3 -08:45:51  2.0  6.04 103
23 Hya         09:17:53.5 -06:27:17  5.2  2.56 106
PPM 192047     09:08:54.7 -05:21:20  8.2  0.13 109
14WY535        09:08:27.8 -05:25:41 16.8       109
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 0.0 km RECON observability=1.0 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)
Sleaford 06:20:59 -52.3 Dark Down 31.6 165.2 Up 06:15:02 - 06:26:56 12187
Kamloops 06:21:34 -48.5 Dark Down 29.4 148.9 Low 06:15:37 - 06:27:31 11746
Kelowna 06:21:34 -49.5 Dark Down 30.4 149.6 Up 06:15:37 - 06:27:31 11709
Peachland 06:21:34 -49.5 Dark Down 30.4 149.3 Up 06:15:37 - 06:27:31 11693
Summerland 06:21:34 -49.6 Dark Down 30.6 149.3 Up 06:15:37 - 06:27:31 11685
Penticton 06:21:32 -49.7 Dark Down 30.6 149.4 Up 06:15:35 - 06:27:29 11682
Oliver 06:21:34 -50.0 Dark Down 31.0 149.3 Up 06:15:37 - 06:27:31 11656
Anarchist Mountain Observatory 06:21:34 -50.2 Dark Down 31.2 149.5 Up 06:15:37 - 06:27:31 11649
Okanogan 06:21:34 -50.6 Dark Down 31.6 149.0 Up 06:15:37 - 06:27:31 11595
Brewster 06:21:35 -50.7 Dark Down 31.8 148.7 Up 06:15:38 - 06:27:32 11570
Manson/Chelan 06:21:36 -50.6 Dark Down 31.9 148.3 Up 06:15:39 - 06:27:33 11544
Victoria 06:21:43 -48.6 Dark Down 30.1 145.0 Up 06:15:46 - 06:27:40 11512
Wenatchee 06:21:36 -50.9 Dark Down 32.2 147.9 Up 06:15:39 - 06:27:33 11504
Ellensburg 06:21:36 -51.0 Dark Down 32.5 147.5 Up 06:15:39 - 06:27:33 11467
Yakima 06:21:37 -51.3 Dark Down 32.8 147.4 Up 06:15:40 - 06:27:34 11434
PNWRO 06:21:32 -52.5 Dark Down 33.9 149.0 Up 06:15:35 - 06:27:29 11433
Toppenish/White Swan 06:21:37 -51.6 Dark Down 33.1 147.5 Up 06:15:40 - 06:27:34 11422
Dunrhomin 06:20:53 -63.1 Dark Down 43.1 163.7 Up 06:14:56 - 06:26:50 11368
Nikitin 06:20:54 -63.3 Dark Down 43.3 163.7 Up 06:14:57 - 06:26:51 11353
CU-SBO 06:20:55 -63.3 Dark Down 43.4 163.5 Up 06:14:58 - 06:26:52 11346
The Dalles 06:21:41 -51.7 Dark Down 33.4 146.4 Up 06:15:44 - 06:27:38 11340
Maupin 06:21:39 -52.0 Dark Down 33.8 146.3 Up 06:15:42 - 06:27:36 11310
Sisters 06:21:42 -52.3 Dark Down 34.3 145.5 Up 06:15:45 - 06:27:39 11227
Bend 06:21:39 -52.6 Dark Down 34.6 145.6 Up 06:15:42 - 06:27:36 11214
Oregon Observatory 06:21:41 -52.6 Dark Down 34.7 145.4 Up 06:15:44 - 06:27:38 11197
Chiloquin 06:21:43 -53.2 Dark Down 35.6 144.4 Up 06:15:46 - 06:27:40 11077
Klamath Falls 06:21:42 -53.4 Dark Down 35.9 144.4 Up 06:15:45 - 06:27:39 11051
Cedarville 06:21:39 -54.8 Dark Down 37.2 145.9 Up 06:15:42 - 06:27:36 11038
Fall River/Burney 06:21:42 -54.4 Dark Down 37.1 144.3 Up 06:15:45 - 06:27:39 10963
Gimple 06:21:39 -55.2 Dark Down 38.0 144.5 Up 06:15:42 - 06:27:36 10901
Greenville 06:21:41 -55.2 Dark Down 38.0 144.4 Up 06:15:44 - 06:27:38 10899
Portola 06:21:39 -55.7 Dark Down 38.5 144.8 Up 06:15:42 - 06:27:36 10885
Quincy 06:21:41 -55.3 Dark Down 38.2 144.3 Up 06:15:44 - 06:27:38 10882
Reno 06:21:38 -56.2 Dark Down 39.0 145.4 Up 06:15:41 - 06:27:35 10881
Yerington 06:21:35 -56.9 Dark Down 39.7 145.9 Up 06:15:38 - 06:27:32 10853
Carson City 06:21:37 -56.4 Dark Down 39.3 145.3 Up 06:15:40 - 06:27:34 10851
Gardnerville 06:21:37 -56.6 Dark Down 39.5 145.2 Up 06:15:40 - 06:27:34 10831
Hawthorne 06:21:34 -57.6 Dark Down 40.3 146.3 Up 06:15:37 - 06:27:31 10828
Lee Vining 06:21:35 -57.6 Dark Down 40.6 145.5 Up 06:15:38 - 06:27:32 10766
Beatty 06:21:28 -59.7 Dark Down 42.5 147.7 Up 06:15:31 - 06:27:25 10744
Bishop 06:21:33 -58.4 Dark Down 41.4 146.0 Up 06:15:36 - 06:27:30 10735
Patrick 06:21:18 -62.4 Dark Down 45.0 150.6 Up 06:15:21 - 06:27:15 10703
Laughlin/Bullhead City 06:21:21 -62.1 Dark Down 44.9 149.6 Up 06:15:24 - 06:27:18 10660
George/Scottsdale 06:21:11 -64.8 Dark Down 47.2 152.3 Up 06:15:14 - 06:27:08 10618
Lake Havasu City 06:21:20 -62.7 Dark Down 45.6 149.5 Up 06:15:23 - 06:27:17 10608
Idyllwild 06:21:28 -61.5 Dark Down 45.2 146.1 Up 06:15:31 - 06:27:25 10466
Calipatria 06:21:25 -62.7 Dark Down 46.2 147.3 Up 06:15:28 - 06:27:22 10448
Wildwood 06:21:34 -60.0 Dark Down 44.0 144.0 Up 06:15:37 - 06:27:31 10439
Yuma 06:21:20 -63.5 Dark Down 47.0 148.1 Up 06:15:23 - 06:27:17 10438

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 14WY535, (2024/02/05 06:19UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 23.02 103
Alphard        09:27:35.2 -08:39:30  2.0  6.04 103
23 Hya         09:16:41.8 -06:21:11  5.2  2.56 106
PPM 192047     09:07:42.6 -05:15:27  8.2  0.13 109
14WY535        09:07:15.8 -05:19:48 16.8       109
Positions are for J2000

Event circumstances last updated at 2024/01/30 03:19:54 UT

Marc W. Buie, Southwest Research Institute

RECON