RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0680:32374091 with event index number of 2133042

Geocentric closest approach at 2023/08/10 05:00:50 UTC

J2000 position of star is 18:49:58.3 -21:51:10
Equinox of date position of star is 18:51:22.9 -21:49:27
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon. Moon is 32% illuminated.
Apparent brightness V=19.9

[RECON map]
Object is 18.2 AU from the Sun and 17.4 AU from the Earth.
Apparent velocity is 16.5 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is 711 km.
The sky-plane scale is 12603.7 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=251.2 km assuming a 5% albedo -- 13.4 sec chord
Diameter=102.6 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 95626, (2023/08/10 05:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.5 -26:28:56  0.9 32.29 178
Nunki          18:56:43.6 -26:15:55  2.0  4.61 146
30 Sgr         18:52:15.6 -22:07:59  6.3  0.37 146
PPM 268985     18:52:43.8 -21:59:20  8.5  0.35 146
PPM 268952     18:51:31.4 -21:49:19  9.1  0.03 147
95626          18:51:23.2 -21:49:26 16.7       146
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 16.2 km RECON observability=0.7 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 05:00:09 -12.1 AT Down 17.0 170.9 Really Low 04:51:30 - 05:08:47 3025
Victoria 05:00:24 -12.2 AT Down 18.8 167.9 Really Low 04:51:45 - 05:09:02 2990
Peachland 05:00:07 -13.0 AT Down 18.0 171.4 Really Low 04:51:29 - 05:08:46 2990
Kelowna 05:00:06 -13.1 AT Down 17.9 171.7 Really Low 04:51:27 - 05:08:44 2990
Summerland 05:00:07 -13.2 AT Down 18.1 171.5 Really Low 04:51:28 - 05:08:45 2984
Penticton 05:00:06 -13.3 AT Down 18.2 171.6 Really Low 04:51:28 - 05:08:45 2980
Oliver 05:00:07 -13.5 AT Down 18.6 171.6 Really Low 04:51:28 - 05:08:45 2969
Anarchist Mountain Observatory 05:00:06 -13.8 AT Down 18.7 171.8 Really Low 04:51:28 - 05:08:45 2962
Okanogan 05:00:08 -14.1 AT Down 19.4 171.5 Really Low 04:51:30 - 05:08:47 2942
Brewster 05:00:09 -14.2 AT Down 19.6 171.3 Really Low 04:51:31 - 05:08:48 2935
Manson/Chelan 05:00:11 -14.2 AT Down 19.8 170.9 Really Low 04:51:33 - 05:08:50 2932
Wenatchee 05:00:13 -14.4 AT Down 20.2 170.8 Low 04:51:35 - 05:08:52 2917
Ellensburg 05:00:14 -14.6 AT Down 20.6 170.5 Low 04:51:36 - 05:08:53 2905
Yakima 05:00:15 -14.9 AT Down 21.0 170.5 Low 04:51:36 - 05:08:53 2890
Toppenish/White Swan 05:00:14 -15.1 AT Down 21.2 170.6 Low 04:51:36 - 05:08:53 2880
Sleaford 04:59:09 -16.6 AT Down 15.9 184.6 Really Low 04:50:31 - 05:07:48 2862
The Dalles 05:00:19 -15.2 AT Down 21.9 169.8 Low 04:51:40 - 05:08:57 2860
PNWRO 05:00:08 -16.1 AT Down 21.8 172.1 Low 04:51:29 - 05:08:46 2847
Maupin 05:00:18 -15.6 AT Down 22.3 169.9 Low 04:51:40 - 05:08:57 2842
Sisters 05:00:23 -15.9 AT Down 23.1 169.3 Low 04:51:44 - 05:09:01 2813
Bend 05:00:22 -16.2 AT Down 23.4 169.6 Low 04:51:43 - 05:09:00 2801
Oregon Observatory 05:00:22 -16.3 AT Down 23.6 169.4 Low 04:51:44 - 05:09:01 2795
Chiloquin 05:00:26 -16.9 AT Down 24.8 168.9 Low 04:51:48 - 05:09:05 2744
Klamath Falls 05:00:27 -17.2 AT Down 25.2 169.0 Low 04:51:48 - 05:09:05 2727
Cedarville 05:00:20 -18.5 Dark Down 26.1 170.5 Low 04:51:41 - 05:08:58 2675
Fall River/Burney 05:00:26 -18.2 Dark Down 26.4 169.3 Low 04:51:48 - 05:09:05 2668
Greenville 05:00:25 -19.0 Dark Down 27.3 169.6 Low 04:51:47 - 05:09:04 2620
Gimple 05:00:25 -19.1 Dark Down 27.3 169.7 Low 04:51:46 - 05:09:03 2618
Quincy 05:00:26 -19.2 Dark Down 27.5 169.6 Low 04:51:47 - 05:09:04 2610
Portola 05:00:24 -19.5 Dark Down 27.7 170.1 Low 04:51:45 - 05:09:02 2597
Reno 05:00:21 -20.1 Dark Down 28.1 170.7 Low 04:51:42 - 05:08:59 2575
Carson City 05:00:21 -20.3 Dark Down 28.4 170.7 Low 04:51:43 - 05:09:00 2557
Gardnerville 05:00:21 -20.5 Dark Down 28.7 170.8 Low 04:51:43 - 05:09:00 2544
Yerington 05:00:18 -20.8 Dark Down 28.7 171.4 Low 04:51:40 - 05:08:57 2538
Hawthorne 05:00:16 -21.4 Dark Down 29.2 171.9 Low 04:51:38 - 05:08:55 2506
Lee Vining 05:00:19 -21.5 Dark Down 29.7 171.3 Low 04:51:41 - 05:08:58 2485
Bishop 05:00:17 -22.4 Dark Down 30.4 172.0 Up 04:51:38 - 05:08:55 2442
Beatty 05:00:09 -23.6 Dark Down 31.0 173.7 Up 04:51:30 - 05:08:47 2391
Dunrhomin 04:59:08 -26.8 Dark Down 27.7 185.8 Low 04:50:30 - 05:07:47 2350
Nikitin 04:59:08 -26.9 Dark Down 27.9 185.8 Low 04:50:30 - 05:07:47 2341
CU-SBO 04:59:09 -27.0 Dark Down 27.9 185.7 Low 04:50:30 - 05:07:47 2339
Wildwood 05:00:22 -24.5 Dark Down 33.6 171.6 Up 04:51:43 - 05:09:00 2260
Patrick 04:59:55 -26.3 Dark Down 32.7 176.7 Up 04:51:17 - 05:08:34 2257
Laughlin/Bullhead City 04:59:59 -26.1 Dark Down 32.9 176.0 Up 04:51:21 - 05:08:38 2255
Lake Havasu City 04:59:58 -26.7 Dark Down 33.6 176.2 Up 04:51:20 - 05:08:37 2211
Idyllwild 05:00:12 -25.8 Dark Down 34.1 173.6 Up 04:51:34 - 05:08:51 2209
Calipatria 05:00:07 -27.0 Dark Down 34.8 174.8 Up 04:51:28 - 05:08:45 2150
George/Scottsdale 04:59:46 -28.6 Dark Down 34.4 178.9 Up 04:51:08 - 05:08:25 2118
Yuma 05:00:02 -27.8 Dark Down 35.3 175.8 Up 04:51:24 - 05:08:41 2107

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 95626, (2023/08/10 05:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 32.29 178
Nunki          18:55:15.9 -26:17:49  2.0  4.61 146
30 Sgr         18:50:50.5 -22:09:45  6.3  0.37 146
PPM 268985     18:51:18.8 -22:01:06  8.5  0.35 146
PPM 268952     18:50:06.5 -21:51:03  9.1  0.03 147
95626          18:49:58.3 -21:51:10 16.7       147
Positions are for J2000

Event circumstances last updated at 2023/07/04 04:03:44 UT

Marc W. Buie, Southwest Research Institute

RECON