RECON: TNO occultation with 533561

Event between (533561) 14JN80 and star GA0780:09637181 with event index number of 2586802

Geocentric closest approach at 2028/07/05 05:21:19 UTC

J2000 position of star is 18:08:38.8 -10:04:38
Equinox of date position of star is 18:09:59.9 -10:04:18
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 17 degrees from the moon. Moon is 98% illuminated.
Apparent brightness V=22.3

[RECON map]
Object is 37.3 AU from the Sun and 36.4 AU from the Earth.
Apparent velocity is 23.9 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 665 seconds.
The 1-sigma cross-track error in the shadow position is 3538 km.
The sky-plane scale is 26365.5 km/arcsec.

The object has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.0 sec chord
Diameter=117.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 533561, (2028/07/05 05:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.6 -26:29:34  0.9 28.58  16
35Eta Oph      17:12:00.9 -15:45:29  2.6 15.27  12
PPM 201392     18:07:40.6 -08:19:10  6.1  1.86  18
PPM 234074     18:09:52.3 -10:32:40  8.0  0.48  17
PPM 201431     18:10:11.4 -09:47:43  9.1  0.28  17
533561         18:10:13.2 -10:04:14 15.9        17
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 1.4 sigma about the mid-time.
The median site spacing is 24.0 km RECON observability=0.5 and success probability=4.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:21:32 -11.6 NT Up 26.7 164.6 Low 05:06:32 - 05:36:32 -1663
Kamloops 05:22:13 -8.2 NT Up 24.5 149.2 Low 05:07:13 - 05:37:13 -1689
Kelowna 05:22:13 -9.2 NT Up 25.5 149.9 Low 05:07:13 - 05:37:13 -1732
Peachland 05:22:14 -9.2 NT Up 25.5 149.6 Low 05:07:14 - 05:37:14 -1737
Summerland 05:22:14 -9.3 NT Up 25.6 149.7 Low 05:07:14 - 05:37:14 -1745
Penticton 05:22:14 -9.4 NT Up 25.7 149.8 Low 05:07:14 - 05:37:14 -1749
Oliver 05:22:14 -9.7 NT Up 26.0 149.7 Low 05:07:14 - 05:37:14 -1768
Anarchist Mountain Observatory 05:22:14 -9.9 NT Up 26.2 149.8 Low 05:07:14 - 05:37:14 -1777
Victoria 05:22:26 -8.6 NT Up 25.2 145.6 Low 05:07:26 - 05:37:26 -1799
Okanogan 05:22:16 -10.3 NT Up 26.7 149.5 Low 05:07:16 - 05:37:16 -1812
Brewster 05:22:17 -10.5 NT Up 26.9 149.2 Low 05:07:17 - 05:37:17 -1827
Manson/Chelan 05:22:18 -10.5 NT Up 26.9 148.8 Low 05:07:18 - 05:37:18 -1838
Wenatchee 05:22:20 -10.8 NT Up 27.3 148.5 Low 05:07:20 - 05:37:20 -1864
Ellensburg 05:22:21 -11.0 NT Up 27.6 148.1 Low 05:07:21 - 05:37:21 -1887
Yakima 05:22:22 -11.3 NT Up 27.9 148.0 Low 05:07:22 - 05:37:22 -1911
Toppenish/White Swan 05:22:22 -11.6 NT Up 28.2 148.1 Low 05:07:22 - 05:37:22 -1924
PNWRO 05:22:18 -12.5 AT Up 29.0 149.6 Low 05:07:18 - 05:37:18 -1948
The Dalles 05:22:26 -11.9 NT Up 28.5 147.1 Low 05:07:26 - 05:37:26 -1968
Maupin 05:22:26 -12.2 AT Up 28.9 147.1 Low 05:07:26 - 05:37:26 -1993
Sisters 05:22:29 -12.7 AT Up 29.5 146.3 Low 05:07:29 - 05:37:29 -2046
Bend 05:22:29 -13.0 AT Up 29.8 146.5 Low 05:07:29 - 05:37:29 -2061
Oregon Observatory 05:22:29 -13.1 AT Up 29.9 146.3 Low 05:07:29 - 05:37:29 -2071
Chiloquin 05:22:29 -13.9 AT Up 30.8 145.4 Up 05:07:29 - 05:37:29 -2156
Klamath Falls 05:22:29 -14.2 AT Up 31.1 145.4 Up 05:07:29 - 05:37:29 -2179
Cedarville 05:22:29 -15.5 AT Up 32.3 146.9 Up 05:07:29 - 05:37:29 -2224
Fall River/Burney 05:22:29 -15.3 AT Up 32.2 145.4 Up 05:07:29 - 05:37:29 -2258
Gimple 05:22:29 -16.2 AT Up 33.2 145.6 Up 05:07:29 - 05:37:29 -2320
Greenville 05:22:29 -16.2 AT Up 33.2 145.5 Up 05:07:29 - 05:37:29 -2320
Quincy 05:22:29 -16.4 AT Up 33.3 145.5 Up 05:07:29 - 05:37:29 -2334
Portola 05:22:29 -16.7 AT Up 33.6 145.9 Up 05:07:29 - 05:37:29 -2342
Reno 05:22:29 -17.2 AT Up 34.1 146.5 Up 05:07:29 - 05:37:29 -2360
Dunrhomin 05:21:44 -22.6 Dark Up 38.2 163.4 Up 05:06:44 - 05:36:44 -2369
Nikitin 05:21:43 -22.7 Dark Up 38.4 163.4 Up 05:06:43 - 05:36:43 -2382
Carson City 05:22:29 -17.5 AT Up 34.5 146.4 Up 05:07:29 - 05:37:29 -2385
CU-SBO 05:21:44 -22.7 Dark Up 38.4 163.2 Up 05:06:44 - 05:36:44 -2386
Yerington 05:22:29 -18.0 AT Up 34.9 147.0 Up 05:07:29 - 05:37:29 -2399
Gardnerville 05:22:29 -17.7 AT Up 34.7 146.4 Up 05:07:29 - 05:37:29 -2402
Hawthorne 05:22:29 -18.6 Dark Up 35.5 147.4 Up 05:07:29 - 05:37:29 -2432
Lee Vining 05:22:29 -18.8 Dark Up 35.8 146.7 Up 05:07:29 - 05:37:29 -2472
Bishop 05:22:29 -19.6 Dark Up 36.6 147.2 Up 05:07:29 - 05:37:29 -2516
Beatty 05:22:27 -20.8 Dark Up 37.7 148.9 Up 05:07:27 - 05:37:27 -2554
Patrick 05:22:19 -23.3 Dark Up 40.1 151.6 Up 05:07:19 - 05:37:19 -2674
Laughlin/Bullhead City 05:22:22 -23.2 Dark Up 40.0 150.6 Up 05:07:22 - 05:37:22 -2690
Lake Havasu City 05:22:22 -23.9 Dark Up 40.7 150.7 Up 05:07:22 - 05:37:22 -2743
Wildwood 05:22:29 -22.1 Dark Up 39.2 145.6 Up 05:07:29 - 05:37:29 -2767
Idyllwild 05:22:29 -23.3 Dark Up 40.4 147.6 Up 05:07:29 - 05:37:29 -2792
George/Scottsdale 05:22:14 -25.6 Dark Up 42.4 153.3 Up 05:07:14 - 05:37:14 -2813
Calipatria 05:22:28 -24.4 Dark Up 41.4 148.7 Up 05:07:28 - 05:37:28 -2844
Yuma 05:22:25 -25.2 Dark Up 42.2 149.5 Up 05:07:25 - 05:37:25 -2882

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 533561, (2028/07/05 05:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 28.58  16
35Eta Oph      17:10:22.7 -15:43:29  2.6 15.27  12
PPM 201392     18:06:07.4 -08:19:27  6.1  1.86  18
PPM 234074     18:08:17.5 -10:33:03  8.0  0.48  17
PPM 201431     18:08:37.2 -09:48:06  9.1  0.28  17
533561         18:08:38.8 -10:04:38 15.9        17
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:30:36 UT

Marc W. Buie, Southwest Research Institute

RECON