RECON: TNO occultation with 523706

Event between (523706) 14HF200 and star GA0580:11675112 with event index number of 2378812

Geocentric closest approach at 2024/04/13 08:46:51 UTC

J2000 position of star is 16:48:42.1 -30:17:07
Equinox of date position of star is 16:50:14.2 -30:19:34
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon. Moon is 26% illuminated.
Apparent brightness V=21.5

[RECON map]
Object is 36.2 AU from the Sun and 35.6 AU from the Earth.
Apparent velocity is 13.1 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 1096 seconds.
The 1-sigma cross-track error in the shadow position is 5535 km.
The sky-plane scale is 25795.6 km/arcsec.

The object has an absolute magnitude Hv=5.8
Diameter=398.1 km assuming a 5% albedo -- 31.5 sec chord
Diameter=162.5 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 523706, (2024/04/13 08:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.0 -26:29:02  0.9  5.73 165
23Tau Sco      16:37:23.9 -28:15:51  2.8  3.48 166
PPM 295639     16:56:09.1 -30:37:30  6.5  1.31 170
PPM 295547     16:52:44.6 -30:42:43  7.6  0.66 170
PPM 265992     16:50:19.9 -30:01:07  8.7  0.31 169
523706         16:50:14.9 -30:19:35 15.1       169
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 0.8 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)
Sleaford 08:47:31 -24.7 Dark Down 4.9 159.2 Really Low 08:32:31 - 09:02:31 8973
Kamloops 08:48:42 -29.2 Dark Up 2.2 147.6 Really Low 08:33:42 - 09:03:42 8838
Kelowna 08:48:42 -29.8 Dark Down 3.2 148.3 Really Low 08:33:42 - 09:03:42 8834
Peachland 08:48:43 -30.0 Dark Down 3.2 148.0 Really Low 08:33:43 - 09:03:43 8829
Penticton 08:48:45 -30.2 Dark Down 3.5 148.2 Really Low 08:33:45 - 09:03:45 8827
Summerland 08:48:44 -30.1 Dark Down 3.4 148.1 Really Low 08:33:44 - 09:03:44 8827
Oliver 08:48:45 -30.5 Dark Down 3.8 148.2 Really Low 08:33:45 - 09:03:45 8820
Anarchist Mountain Observatory 08:48:45 -30.6 Dark Down 4.0 148.3 Really Low 08:33:45 - 09:03:45 8820
Okanogan 08:48:50 -31.3 Dark Down 4.5 148.2 Really Low 08:33:50 - 09:03:50 8803
Brewster 08:48:50 -31.6 Dark Down 4.6 148.0 Really Low 08:33:50 - 09:03:50 8795
Manson/Chelan 08:48:54 -31.9 Dark Down 4.7 147.7 Really Low 08:33:54 - 09:03:54 8785
Wenatchee 08:48:57 -32.3 Dark Down 5.0 147.6 Really Low 08:33:57 - 09:03:57 8772
Ellensburg 08:48:59 -32.8 Dark Down 5.3 147.4 Really Low 08:33:59 - 09:03:59 8760
PNWRO 08:48:56 -33.5 Dark Down 6.7 148.6 Really Low 08:33:56 - 09:03:56 8757
Victoria 08:49:05 -31.7 Dark Up 3.0 145.2 Really Low 08:34:05 - 09:04:05 8754
Yakima 08:49:00 -33.2 Dark Down 5.6 147.3 Really Low 08:34:00 - 09:04:00 8750
Toppenish/White Swan 08:49:00 -33.4 Dark Down 5.9 147.5 Really Low 08:34:00 - 09:04:00 8746
The Dalles 08:49:07 -34.2 Dark Down 6.3 146.8 Really Low 08:34:07 - 09:04:07 8715
Maupin 08:49:09 -34.6 Dark Down 6.7 146.9 Really Low 08:34:09 - 09:04:09 8705
Dunrhomin 08:47:59 -34.6 Dark Down 16.2 159.2 Really Low 08:32:59 - 09:02:59 8700
Nikitin 08:47:59 -34.8 Dark Down 16.4 159.1 Really Low 08:32:59 - 09:02:59 8694
CU-SBO 08:47:59 -34.9 Dark Down 16.4 159.0 Really Low 08:32:59 - 09:02:59 8691
Sisters 08:49:15 -35.6 Dark Down 7.2 146.5 Really Low 08:34:15 - 09:04:15 8674
Bend 08:49:14 -35.8 Dark Down 7.5 146.6 Really Low 08:34:14 - 09:04:14 8671
Oregon Observatory 08:49:16 -35.9 Dark Down 7.6 146.5 Really Low 08:34:16 - 09:04:16 8664
Chiloquin 08:49:24 -37.3 Dark Down 8.5 146.1 Really Low 08:34:24 - 09:04:24 8617
Cedarville 08:49:18 -38.0 Dark Down 10.1 147.3 Really Low 08:34:18 - 09:04:18 8607
Klamath Falls 08:49:24 -37.6 Dark Down 8.9 146.2 Really Low 08:34:24 - 09:04:24 8607
Fall River/Burney 08:49:26 -38.7 Dark Down 10.0 146.4 Really Low 08:34:26 - 09:04:26 8572
Gimple 08:49:28 -39.5 Dark Down 11.0 146.7 Really Low 08:34:28 - 09:04:28 8548
Greenville 08:49:29 -39.5 Dark Down 11.0 146.6 Really Low 08:34:29 - 09:04:29 8546
Portola 08:49:26 -39.7 Dark Down 11.4 146.9 Really Low 08:34:26 - 09:04:26 8542
Reno 08:49:24 -39.8 Dark Down 11.9 147.4 Really Low 08:34:24 - 09:04:24 8541
Quincy 08:49:27 -39.7 Dark Down 11.1 146.6 Really Low 08:34:27 - 09:04:27 8539
Yerington 08:49:24 -40.2 Dark Down 12.7 147.9 Really Low 08:34:24 - 09:04:24 8530
Carson City 08:49:26 -40.2 Dark Down 12.2 147.4 Really Low 08:34:26 - 09:04:26 8528
Gardnerville 08:49:27 -40.4 Dark Down 12.5 147.4 Really Low 08:34:27 - 09:04:27 8520
Hawthorne 08:49:22 -40.5 Dark Down 13.3 148.2 Really Low 08:34:22 - 09:04:22 8519
Lee Vining 08:49:27 -41.2 Dark Down 13.5 147.8 Really Low 08:34:27 - 09:04:27 8491
Beatty 08:49:17 -41.6 Dark Down 15.4 149.4 Really Low 08:34:17 - 09:04:17 8478
Bishop 08:49:26 -41.6 Dark Down 14.4 148.3 Really Low 08:34:26 - 09:04:26 8476
Patrick 08:49:06 -42.1 Dark Down 17.8 151.5 Really Low 08:34:06 - 09:04:06 8448
Laughlin/Bullhead City 08:49:12 -42.5 Dark Down 17.8 150.9 Really Low 08:34:12 - 09:04:12 8429
Lake Havasu City 08:49:10 -43.1 Dark Down 18.5 151.0 Really Low 08:34:10 - 09:04:10 8402
George/Scottsdale 08:49:00 -42.9 Dark Down 20.1 152.9 Low 08:34:00 - 09:04:00 8391
Idyllwild 08:49:29 -44.5 Dark Down 18.2 149.0 Really Low 08:34:29 - 09:04:29 8339
Wildwood 08:49:37 -44.7 Dark Down 17.1 147.6 Really Low 08:34:37 - 09:04:37 8329
Calipatria 08:49:22 -44.7 Dark Down 19.2 149.8 Really Low 08:34:22 - 09:04:22 8323
Yuma 08:49:20 -44.8 Dark Down 19.9 150.5 Really Low 08:34:20 - 09:04:20 8313

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 523706, (2024/04/13 08:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  5.73 165
23Tau Sco      16:35:52.9 -28:12:58  2.8  3.48 166
PPM 295639     16:54:36.0 -30:35:14  6.5  1.31 170
PPM 295547     16:51:11.5 -30:40:21  7.6  0.66 170
PPM 265992     16:48:47.4 -29:58:40  8.7  0.31 169
523706         16:48:42.1 -30:17:07 15.1       169
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:20:07 UT

Marc W. Buie, Southwest Research Institute

RECON