RECON: TNO occultation with 532094

Event between (532094) 13HX156 and star GA0800:05523987 with event index number of 2448676

Geocentric closest approach at 2027/02/05 13:27:26 UTC

J2000 position of star is 16:53:21.0 -09:00:04
Equinox of date position of star is 16:54:41.2 -09:02:24
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 53 degrees from the moon. Moon is 1% illuminated.
Apparent brightness V=22.8

[RECON map]
Object is 28.1 AU from the Sun and 28.5 AU from the Earth.
Apparent velocity is 19.9 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 205 seconds.
The 1-sigma cross-track error in the shadow position is 1454 km.
The sky-plane scale is 20662.8 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=141.3 km assuming a 5% albedo -- 7.2 sec chord
Diameter=57.7 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 532094, (2027/02/05 13:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:04.4 -26:29:23  0.9 18.33  55
13Zet Oph      16:38:39.2 -10:37:11  2.6  4.28  56
20 Oph         16:51:20.1 -10:49:43  4.6  1.98  53
PPM 200131     16:55:16.3 -09:00:48  8.5  0.11  53
532094         16:54:49.8 -09:02:38 16.7        53
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 4.4 sigma about the mid-time.
The median site spacing is 21.7 km RECON observability=0.8 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)
Kamloops 13:26:12 -20.0 Dark Down 22.4 140.4 Low 13:11:12 - 13:41:12 7895
Sleaford 13:27:00 -11.1 NT Down 26.1 155.6 Low 13:12:00 - 13:42:00 7889
Kelowna 13:26:12 -19.4 Dark Down 23.4 141.0 Low 13:11:12 - 13:41:12 7852
Peachland 13:26:11 -19.6 Dark Down 23.3 140.7 Low 13:11:11 - 13:41:11 7847
Summerland 13:26:11 -19.5 Dark Down 23.5 140.7 Low 13:11:11 - 13:41:11 7839
Penticton 13:26:11 -19.4 Dark Down 23.6 140.8 Low 13:11:11 - 13:41:11 7835
Oliver 13:26:10 -19.4 Dark Down 23.9 140.7 Low 13:11:10 - 13:41:10 7817
Anarchist Mountain Observatory 13:26:12 -19.3 Dark Down 24.1 140.9 Low 13:11:12 - 13:41:12 7808
Victoria 13:25:57 -22.0 Dark Down 22.7 136.8 Low 13:10:57 - 13:40:57 7794
Okanogan 13:26:06 -19.4 Dark Down 24.5 140.4 Low 13:11:06 - 13:41:06 7775
Brewster 13:26:06 -19.5 Dark Down 24.6 140.2 Low 13:11:06 - 13:41:06 7761
Manson/Chelan 13:26:04 -19.8 Dark Down 24.6 139.7 Low 13:11:04 - 13:41:04 7751
Wenatchee 13:26:02 -19.9 Dark Down 24.9 139.4 Low 13:11:02 - 13:41:02 7726
Ellensburg 13:26:00 -20.0 Dark Down 25.1 139.1 Low 13:11:00 - 13:41:00 7704
Yakima 13:25:59 -20.0 Dark Down 25.4 138.9 Low 13:10:59 - 13:40:59 7682
Toppenish/White Swan 13:25:59 -19.9 Dark Down 25.6 139.0 Low 13:10:59 - 13:40:59 7669
PNWRO 13:26:02 -18.8 Dark Down 26.6 140.4 Low 13:11:02 - 13:41:02 7643
The Dalles 13:25:53 -20.4 Dark Down 25.8 138.0 Low 13:10:53 - 13:40:53 7627
Maupin 13:25:54 -20.4 Dark Down 26.2 138.0 Low 13:10:54 - 13:40:54 7603
Sisters 13:25:49 -20.7 Dark Down 26.6 137.2 Low 13:10:49 - 13:40:49 7553
Bend 13:25:49 -20.5 Dark Down 26.9 137.3 Low 13:10:49 - 13:40:49 7538
Oregon Observatory 13:25:47 -20.6 Dark Down 27.0 137.1 Low 13:10:47 - 13:40:47 7528
Chiloquin 13:25:43 -20.8 Dark Down 27.7 136.3 Low 13:10:43 - 13:40:43 7449
Klamath Falls 13:25:42 -20.8 Dark Down 28.0 136.2 Low 13:10:42 - 13:40:42 7427
Cedarville 13:25:46 -19.5 Dark Down 29.3 137.5 Low 13:10:46 - 13:40:46 7378
Fall River/Burney 13:25:40 -20.4 Dark Down 29.0 136.1 Low 13:10:40 - 13:40:40 7350
Greenville 13:25:39 -20.0 Dark Down 29.9 136.2 Low 13:10:39 - 13:40:39 7290
Gimple 13:25:40 -19.9 Dark Down 30.0 136.3 Low 13:10:40 - 13:40:40 7289
Quincy 13:25:38 -20.0 Dark Down 30.1 136.1 Up 13:10:38 - 13:40:38 7276
Portola 13:25:39 -19.6 Dark Down 30.4 136.5 Up 13:10:39 - 13:40:39 7266
Reno 13:25:42 -19.1 Dark Down 31.0 137.1 Up 13:10:42 - 13:40:42 7246
Carson City 13:25:40 -19.0 Dark Down 31.2 136.9 Up 13:10:40 - 13:40:40 7222
Yerington 13:25:42 -18.5 Dark Down 31.7 137.5 Up 13:10:42 - 13:40:42 7206
Gardnerville 13:25:40 -19.0 Dark Down 31.4 136.9 Up 13:10:40 - 13:40:40 7205
Dunrhomin 13:26:39 -8.0 NT Down 36.9 153.2 Up 13:11:39 - 13:41:39 7198
Nikitin 13:26:38 -7.9 NT Down 37.1 153.2 Up 13:11:38 - 13:41:38 7186
CU-SBO 13:26:38 -8.0 NT Down 37.1 153.0 Up 13:11:38 - 13:41:38 7182
Hawthorne 13:25:42 -18.1 Dark Down 32.3 137.8 Up 13:10:42 - 13:40:42 7171
Lee Vining 13:25:39 -18.4 Dark Down 32.5 137.1 Up 13:10:39 - 13:40:39 7135
Bishop 13:25:41 -17.8 AT Down 33.3 137.5 Up 13:10:41 - 13:40:41 7089
Beatty 13:25:46 -16.4 AT Down 34.5 139.0 Up 13:10:46 - 13:40:46 7048
Patrick 13:25:53 -13.8 AT Down 37.2 141.3 Up 13:10:53 - 13:40:53 6923
Laughlin/Bullhead City 13:25:49 -14.4 AT Down 37.0 140.4 Up 13:10:49 - 13:40:49 6909
Lake Havasu City 13:25:50 -14.0 AT Down 37.7 140.4 Up 13:10:50 - 13:40:50 6857
Wildwood 13:25:30 -17.5 AT Down 35.6 135.7 Up 13:10:30 - 13:40:30 6851
Idyllwild 13:25:37 -15.9 AT Down 36.9 137.5 Up 13:10:37 - 13:40:37 6815
George/Scottsdale 13:25:57 -11.9 NT Down 39.6 142.7 Up 13:10:57 - 13:40:57 6782
Calipatria 13:25:40 -14.8 AT Down 38.0 138.4 Up 13:10:40 - 13:40:40 6761
Yuma 13:25:44 -14.0 AT Down 38.9 139.1 Up 13:10:44 - 13:40:44 6722

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 532094, (2027/02/05 13:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.33  55
13Zet Oph      16:37:09.6 -10:34:01  2.6  4.28  56
20 Oph         16:49:50.2 -10:47:01  4.6  1.98  53
PPM 200131     16:53:47.5 -08:58:15  8.5  0.11  53
532094         16:53:21.0 -09:00:04 16.7        53
Positions are for J2000

Event circumstances last updated at 2024/06/21 21:25:44 UT

Marc W. Buie, Southwest Research Institute

RECON