RECON: TNO occultation with 523772

Event between (523772) 14XR40 and star GA0840:04309889 with event index number of 2748713

Geocentric closest approach at 2029/03/28 09:05:50 UTC

J2000 position of star is 12:25:12.3 -05:08:25
Equinox of date position of star is 12:26:28.0 -05:16:33
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 25 degrees from the moon. Moon is 95% illuminated.
Apparent brightness V=21.4

[RECON map]
Object is 42.7 AU from the Sun and 41.7 AU from the Earth.
Apparent velocity is 25.8 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 108 seconds.
The 1-sigma cross-track error in the shadow position is 2903 km.
The sky-plane scale is 30260.7 km/arcsec.

The object has an absolute magnitude Hv=5.1
Diameter=562.4 km assuming a 5% albedo -- 22.0 sec chord
Diameter=229.6 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 523772, (2029/03/28 09:05UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:44.3 -11:18:47  1.0 16.01  40
4Gam Crv       12:17:18.9 -17:42:15  2.6 12.61  29
PPM 195518     12:29:21.7 -04:46:36  6.2  0.84  25
PPM 195473     12:27:20.1 -05:01:26  8.4  0.32  25
PPM 195463     12:26:51.6 -05:22:22  8.7  0.08  25
523772         12:26:42.7 -05:18:08 16.0        25
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 17.0 km RECON observability=1.0 and success probability=13.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:05:45 -29.5 Dark Up 27.2 214.4 Low 08:56:17 - 09:15:13 -1280
Kamloops 09:06:17 -34.7 Dark Up 32.5 199.0 Up 08:56:49 - 09:15:45 -1612
Kelowna 09:06:13 -35.2 Dark Up 33.1 200.2 Up 08:56:45 - 09:15:41 -1637
Peachland 09:06:14 -35.4 Dark Up 33.3 199.8 Up 08:56:46 - 09:15:42 -1648
Summerland 09:06:14 -35.5 Dark Up 33.4 200.0 Up 08:56:46 - 09:15:42 -1654
Penticton 09:06:12 -35.6 Dark Up 33.4 200.1 Up 08:56:44 - 09:15:40 -1656
Oliver 09:06:12 -35.9 Dark Up 33.8 200.2 Up 08:56:44 - 09:15:40 -1675
Anarchist Mountain Observatory 09:06:12 -36.0 Dark Up 33.9 200.5 Up 08:56:44 - 09:15:40 -1679
Okanogan 09:06:11 -36.7 Dark Up 34.5 200.4 Up 08:56:43 - 09:15:39 -1720
Brewster 09:06:11 -37.0 Dark Up 34.8 200.2 Up 08:56:43 - 09:15:39 -1739
Manson/Chelan 09:06:12 -37.3 Dark Up 35.1 199.8 Up 08:56:44 - 09:15:40 -1758
Wenatchee 09:06:11 -37.7 Dark Up 35.6 199.7 Up 08:56:43 - 09:15:39 -1789
Victoria 09:06:21 -37.3 Dark Up 35.2 195.8 Up 08:56:53 - 09:15:49 -1794
Ellensburg 09:06:12 -38.2 Dark Up 36.0 199.6 Up 08:56:44 - 09:15:40 -1817
PNWRO 09:06:05 -38.7 Dark Up 36.6 201.8 Up 08:56:37 - 09:15:33 -1839
Yakima 09:06:11 -38.6 Dark Up 36.4 199.6 Up 08:56:43 - 09:15:39 -1841
Toppenish/White Swan 09:06:10 -38.7 Dark Up 36.6 199.9 Up 08:56:42 - 09:15:38 -1851
Dunrhomin 09:05:15 -38.7 Dark Up 36.5 219.5 Up 08:55:47 - 09:14:43 -1897
Nikitin 09:05:16 -38.8 Dark Up 36.6 219.6 Up 08:55:48 - 09:14:44 -1909
The Dalles 09:06:11 -39.7 Dark Up 37.5 199.1 Up 08:56:43 - 09:15:39 -1914
CU-SBO 09:05:16 -38.9 Dark Up 36.7 219.5 Up 08:55:48 - 09:14:44 -1914
Maupin 09:06:10 -40.0 Dark Up 37.9 199.4 Up 08:56:42 - 09:15:38 -1937
Sisters 09:06:10 -41.0 Dark Up 38.8 199.0 Up 08:56:42 - 09:15:38 -2002
Bend 09:06:09 -41.1 Dark Up 39.0 199.4 Up 08:56:41 - 09:15:37 -2011
Oregon Observatory 09:06:09 -41.3 Dark Up 39.2 199.2 Up 08:56:41 - 09:15:37 -2024
Chiloquin 09:06:08 -42.7 Dark Up 40.5 199.1 Up 08:56:40 - 09:15:36 -2118
Klamath Falls 09:06:07 -43.0 Dark Up 40.8 199.3 Up 08:56:39 - 09:15:35 -2139
Cedarville 09:06:01 -43.2 Dark Up 41.1 201.5 Up 08:56:33 - 09:15:29 -2146
Fall River/Burney 09:06:04 -44.0 Dark Up 41.8 200.1 Up 08:56:36 - 09:15:32 -2208
Gimple 09:06:01 -44.7 Dark Up 42.6 201.1 Up 08:56:33 - 09:15:29 -2256
Greenville 09:06:01 -44.8 Dark Up 42.6 200.9 Up 08:56:33 - 09:15:29 -2258
Portola 09:06:00 -44.9 Dark Up 42.8 201.7 Up 08:56:32 - 09:15:28 -2268
Reno 09:05:57 -45.0 Dark Up 42.8 202.6 Up 08:56:29 - 09:15:25 -2270
Quincy 09:06:01 -44.9 Dark Up 42.8 201.0 Up 08:56:33 - 09:15:29 -2271
Yerington 09:05:54 -45.3 Dark Up 43.1 203.6 Up 08:56:26 - 09:15:22 -2292
Carson City 09:05:56 -45.3 Dark Up 43.1 202.7 Up 08:56:28 - 09:15:24 -2294
Gardnerville 09:05:55 -45.5 Dark Up 43.3 202.9 Up 08:56:27 - 09:15:23 -2310
Hawthorne 09:05:51 -45.6 Dark Up 43.4 204.5 Up 08:56:23 - 09:15:19 -2311
Lee Vining 09:05:52 -46.3 Dark Up 44.1 204.1 Up 08:56:24 - 09:15:20 -2363
Beatty 09:05:43 -46.4 Dark Up 44.2 207.5 Up 08:56:15 - 09:15:11 -2380
Bishop 09:05:49 -46.6 Dark Up 44.4 205.2 Up 08:56:21 - 09:15:17 -2387
Patrick 09:05:31 -46.6 Dark Up 44.4 211.9 Up 08:56:03 - 09:14:59 -2416
Laughlin/Bullhead City 09:05:33 -47.1 Dark Up 44.9 211.1 Up 08:56:05 - 09:15:01 -2452
George/Scottsdale 09:05:21 -47.1 Dark Up 44.9 215.3 Up 08:55:53 - 09:14:49 -2492
Lake Havasu City 09:05:31 -47.6 Dark Up 45.3 211.8 Up 08:56:03 - 09:14:59 -2495
Idyllwild 09:05:37 -49.2 Dark Up 47.0 209.1 Up 08:56:09 - 09:15:05 -2610
Calipatria 09:05:32 -49.3 Dark Up 47.0 211.0 Up 08:56:04 - 09:15:00 -2627
Wildwood 09:05:44 -49.6 Dark Up 47.4 206.4 Up 08:56:16 - 09:15:12 -2633
Yuma 09:05:29 -49.2 Dark Up 47.0 212.4 Up 08:56:01 - 09:14:57 -2638

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 523772, (2029/03/28 09:05UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 16.01  40
4Gam Crv       12:15:48.1 -17:32:30  2.6 12.61  29
PPM 195518     12:27:51.4 -04:36:55  6.2  0.84  25
PPM 195473     12:25:49.8 -04:51:44  8.4  0.32  25
PPM 195463     12:25:21.3 -05:12:39  8.7  0.08  25
523772         12:25:12.3 -05:08:25 16.0        25
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:34:28 UT

Marc W. Buie, Southwest Research Institute

RECON