RECON: TNO occultation with 15760

Event between (15760) Albion and star GA1060:00267920 with event index number of 1318739

Geocentric closest approach at 2023/11/06 04:21:04 UTC

J2000 position of star is 02:43:12.5 +17:27:29
Equinox of date position of star is 02:44:29.6 +17:33:17
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 99 degrees from the moon. Moon is 42% illuminated.
Apparent brightness V=23.3

[RECON map]
Object is 41.6 AU from the Sun and 40.6 AU from the Earth.
Apparent velocity is 25.3 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 347 seconds.
The 1-sigma cross-track error in the shadow position is 3675 km.
The sky-plane scale is 29430.1 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 15760, (2023/11/06 04:25UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.5 +16:33:19  0.8 26.94  73
Hamal          02:08:31.4 +23:34:27  2.0 10.35 104
36 Ari         02:45:39.3 +17:51:49  6.4  0.40  98
PPM 118485     02:44:59.0 +17:38:55  8.6  0.14  98
15760          02:44:32.4 +17:33:30 16.5        98
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 2.6 sigma about the mid-time.
The median site spacing is 25.7 km RECON observability=1.0 and success probability=10.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:22:17 -36.7 Dark Down 38.1 110.8 Up 04:07:17 - 04:37:17 -1234
Victoria 04:22:29 -35.6 Dark Down 36.9 106.5 Up 04:07:29 - 04:37:29 -1277
Peachland 04:22:19 -37.4 Dark Down 38.8 110.7 Up 04:07:19 - 04:37:19 -1308
Kelowna 04:22:18 -37.6 Dark Down 38.9 111.1 Up 04:07:18 - 04:37:18 -1310
Summerland 04:22:19 -37.5 Dark Down 38.9 110.7 Up 04:07:19 - 04:37:19 -1320
Penticton 04:22:19 -37.6 Dark Down 39.0 110.7 Up 04:07:19 - 04:37:19 -1328
Oliver 04:22:21 -37.8 Dark Down 39.1 110.5 Up 04:07:21 - 04:37:21 -1350
Anarchist Mountain Observatory 04:22:21 -37.9 Dark Down 39.3 110.5 Up 04:07:21 - 04:37:21 -1366
Okanogan 04:22:23 -38.0 Dark Down 39.4 109.8 Up 04:07:23 - 04:37:23 -1401
Brewster 04:22:25 -38.0 Dark Down 39.4 109.4 Up 04:07:25 - 04:37:25 -1413
Manson/Chelan 04:22:26 -37.9 Dark Down 39.2 108.9 Up 04:07:26 - 04:37:26 -1415
Wenatchee 04:22:28 -37.9 Dark Down 39.2 108.4 Up 04:07:28 - 04:37:28 -1441
Ellensburg 04:22:29 -37.9 Dark Down 39.2 107.9 Up 04:07:29 - 04:37:29 -1461
Yakima 04:22:31 -38.0 Dark Down 39.3 107.6 Up 04:07:31 - 04:37:31 -1487
Toppenish/White Swan 04:22:32 -38.2 Dark Down 39.5 107.6 Up 04:07:32 - 04:37:32 -1507
The Dalles 04:22:35 -38.0 Dark Down 39.2 106.3 Up 04:07:35 - 04:37:35 -1534
Sleaford 04:21:47 -43.8 Dark Down 45.2 127.0 Up 04:06:47 - 04:36:47 -1554
Maupin 04:22:37 -38.2 Dark Down 39.4 106.0 Up 04:07:37 - 04:37:37 -1566
PNWRO 04:22:30 -39.3 Dark Down 40.6 108.6 Up 04:07:30 - 04:37:30 -1579
Sisters 04:22:40 -38.1 Dark Down 39.3 104.9 Up 04:07:40 - 04:37:40 -1609
Bend 04:22:41 -38.3 Dark Down 39.6 105.0 Up 04:07:41 - 04:37:41 -1634
Oregon Observatory 04:22:41 -38.3 Dark Down 39.5 104.7 Up 04:07:41 - 04:37:41 -1642
Chiloquin 04:22:47 -38.4 Dark Down 39.6 103.3 Up 04:07:47 - 04:37:47 -1720
Klamath Falls 04:22:47 -38.5 Dark Down 39.7 103.1 Up 04:07:47 - 04:37:47 -1747
Fall River/Burney 04:22:51 -39.1 Dark Down 40.3 102.5 Up 04:07:51 - 04:37:51 -1845
Cedarville 04:22:47 -39.8 Dark Down 41.0 103.9 Up 04:07:47 - 04:37:47 -1852
Greenville 04:22:53 -39.6 Dark Down 40.8 102.1 Up 04:07:53 - 04:37:53 -1928
Gimple 04:22:52 -39.7 Dark Down 40.9 102.1 Up 04:07:52 - 04:37:52 -1931
Quincy 04:22:53 -39.7 Dark Down 40.8 101.9 Up 04:07:53 - 04:37:53 -1943
Portola 04:22:53 -40.1 Dark Down 41.2 102.2 Up 04:07:53 - 04:37:53 -1969
Reno 04:22:52 -40.6 Dark Down 41.8 102.5 Up 04:07:52 - 04:37:52 -2011
Carson City 04:22:53 -40.7 Dark Down 41.9 102.2 Up 04:07:53 - 04:37:53 -2039
Gardnerville 04:22:54 -40.8 Dark Down 42.0 102.0 Up 04:07:54 - 04:37:54 -2060
Yerington 04:22:53 -41.3 Dark Down 42.4 102.5 Up 04:07:53 - 04:37:53 -2077
Hawthorne 04:22:53 -41.8 Dark Down 42.9 102.5 Up 04:07:53 - 04:37:53 -2131
Lee Vining 04:22:56 -41.5 Dark Down 42.6 101.6 Up 04:07:56 - 04:37:56 -2157
Bishop 04:22:57 -42.2 Dark Down 43.3 101.6 Up 04:07:57 - 04:37:57 -2230
Beatty 04:22:54 -43.6 Dark Down 44.7 102.4 Up 04:07:54 - 04:37:54 -2327
Dunrhomin 04:22:19 -50.8 Dark Down 52.0 116.5 Up 04:07:19 - 04:37:19 -2466
Nikitin 04:22:19 -50.8 Dark Down 52.1 116.3 Up 04:07:19 - 04:37:19 -2481
CU-SBO 04:22:20 -50.8 Dark Down 52.1 116.1 Up 04:07:20 - 04:37:20 -2483
Wildwood 04:23:07 -42.8 Dark Down 43.8 98.4 Up 04:08:07 - 04:38:07 -2486
Laughlin/Bullhead City 04:22:55 -45.7 Dark Down 46.8 102.4 Up 04:07:55 - 04:37:55 -2549
Patrick 04:22:53 -46.2 Dark Down 47.3 103.2 Up 04:07:53 - 04:37:53 -2554
Idyllwild 04:23:04 -44.4 Dark Down 45.4 99.4 Up 04:08:04 - 04:38:04 -2587
Lake Havasu City 04:22:56 -46.1 Dark Down 47.1 101.9 Up 04:07:56 - 04:37:56 -2614
Calipatria 04:23:03 -45.4 Dark Down 46.4 99.6 Up 04:08:03 - 04:38:03 -2684
Yuma 04:23:02 -46.3 Dark Down 47.2 99.7 Up 04:08:02 - 04:38:02 -2755
George/Scottsdale 04:22:53 -48.3 Dark Down 49.3 102.9 Up 04:07:53 - 04:37:53 -2773

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 15760, (2023/11/06 04:25UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 26.94  73
Hamal          02:07:10.7 +23:27:42  2.0 10.35 104
36 Ari         02:44:19.2 +17:45:49  6.4  0.40  98
PPM 118485     02:43:39.0 +17:32:55  8.6  0.14  98
15760          02:43:12.5 +17:27:29 16.5        99
Positions are for J2000

Event circumstances last updated at 2023/01/11 04:40:21 UT

Marc W. Buie, Southwest Research Institute

RECON