RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0680:32217691 with event index number of 2133051

Geocentric closest approach at 2023/08/19 04:29:20 UTC

J2000 position of star is 18:48:53.6 -21:54:51
Equinox of date position of star is 18:50:18.2 -21:53:09
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon. Moon is 7% illuminated.
Apparent brightness V=19.9

[RECON map]
Object is 18.2 AU from the Sun and 17.5 AU from the Earth.
Apparent velocity is 13.6 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 117 seconds.
The 1-sigma cross-track error in the shadow position is 736 km.
The sky-plane scale is 12676.2 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=251.2 km assuming a 5% albedo -- 16.2 sec chord
Diameter=102.6 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 95626, (2023/08/19 04:31UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.6 -26:28:57  0.9 32.04  74
Nunki          18:56:43.7 -26:15:55  2.0  4.62 106
30 Sgr         18:52:15.7 -22:07:59  6.3  0.52 105
PPM 268928     18:49:52.0 -22:03:11  9.6  0.20 105
95626          18:50:18.6 -21:53:09 15.6       105
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 19.5 km RECON observability=0.5 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 04:28:10 -10.9 NT Down 17.0 172.0 Really Low 04:17:53 - 04:38:27 3942
Victoria 04:28:29 -10.5 NT Up 18.9 169.0 Really Low 04:18:12 - 04:38:46 3917
Peachland 04:28:08 -11.7 NT Down 18.0 172.5 Really Low 04:17:51 - 04:38:25 3906
Kelowna 04:28:07 -11.8 NT Down 17.9 172.8 Really Low 04:17:50 - 04:38:24 3905
Summerland 04:28:09 -11.9 NT Down 18.2 172.6 Really Low 04:17:52 - 04:38:26 3900
Penticton 04:28:08 -12.0 NT Down 18.2 172.7 Really Low 04:17:51 - 04:38:25 3896
Oliver 04:28:09 -12.2 AT Down 18.6 172.7 Really Low 04:17:52 - 04:38:26 3885
Anarchist Mountain Observatory 04:28:06 -12.4 AT Down 18.8 172.9 Really Low 04:17:49 - 04:38:23 3877
Okanogan 04:28:10 -12.7 AT Down 19.4 172.6 Really Low 04:17:53 - 04:38:27 3858
Brewster 04:28:11 -12.7 AT Down 19.7 172.4 Really Low 04:17:54 - 04:38:28 3852
Manson/Chelan 04:28:13 -12.6 AT Down 19.8 172.1 Really Low 04:17:56 - 04:38:30 3850
Wenatchee 04:28:15 -12.8 AT Down 20.3 171.9 Low 04:17:58 - 04:38:32 3836
Ellensburg 04:28:17 -12.9 AT Down 20.7 171.6 Low 04:18:00 - 04:38:34 3825
Yakima 04:28:18 -13.2 AT Down 21.1 171.6 Low 04:18:01 - 04:38:35 3810
Toppenish/White Swan 04:28:17 -13.4 AT Down 21.3 171.8 Low 04:18:00 - 04:38:34 3800
The Dalles 04:28:23 -13.4 AT Down 22.0 171.0 Low 04:18:06 - 04:38:40 3782
Maupin 04:28:23 -13.7 AT Down 22.4 171.0 Low 04:18:06 - 04:38:40 3764
PNWRO 04:28:10 -14.4 AT Down 21.8 173.2 Low 04:17:53 - 04:38:27 3762
Sleaford 04:27:00 -16.4 AT Down 15.8 185.7 Really Low 04:16:43 - 04:37:17 3742
Sisters 04:28:27 -13.9 AT Down 23.2 170.5 Low 04:18:10 - 04:38:44 3737
Bend 04:28:26 -14.2 AT Down 23.5 170.7 Low 04:18:09 - 04:38:43 3724
Oregon Observatory 04:28:27 -14.2 AT Down 23.7 170.6 Low 04:18:10 - 04:38:44 3719
Chiloquin 04:28:32 -14.7 AT Down 24.9 170.1 Low 04:18:15 - 04:38:49 3669
Klamath Falls 04:28:31 -15.0 AT Down 25.3 170.2 Low 04:18:14 - 04:38:48 3653
Cedarville 04:28:24 -16.3 AT Down 26.1 171.7 Low 04:18:07 - 04:38:41 3596
Fall River/Burney 04:28:32 -15.9 AT Down 26.5 170.4 Low 04:18:15 - 04:38:49 3594
Greenville 04:28:31 -16.6 AT Down 27.4 170.8 Low 04:18:14 - 04:38:48 3544
Gimple 04:28:31 -16.7 AT Down 27.4 170.9 Low 04:18:14 - 04:38:48 3543
Quincy 04:28:31 -16.8 AT Down 27.6 170.8 Low 04:18:14 - 04:38:48 3534
Portola 04:28:28 -17.1 AT Down 27.8 171.3 Low 04:18:11 - 04:38:45 3521
Reno 04:28:26 -17.7 AT Down 28.1 171.9 Low 04:18:09 - 04:38:43 3496
Carson City 04:28:25 -17.9 AT Down 28.5 171.9 Low 04:18:08 - 04:38:42 3478
Gardnerville 04:28:25 -18.1 Dark Down 28.7 172.0 Low 04:18:08 - 04:38:42 3465
Yerington 04:28:22 -18.4 Dark Down 28.7 172.6 Low 04:18:05 - 04:38:39 3457
Hawthorne 04:28:20 -19.0 Dark Down 29.3 173.1 Low 04:18:03 - 04:38:37 3424
Lee Vining 04:28:24 -19.0 Dark Down 29.8 172.5 Low 04:18:07 - 04:38:41 3405
Bishop 04:28:20 -19.8 Dark Down 30.4 173.3 Up 04:18:03 - 04:38:37 3359
Beatty 04:28:11 -21.1 Dark Down 31.0 175.0 Up 04:17:54 - 04:38:28 3303
Dunrhomin 04:26:58 -25.6 Dark Down 27.5 186.9 Low 04:16:41 - 04:37:15 3225
Nikitin 04:26:59 -25.7 Dark Down 27.7 186.9 Low 04:16:42 - 04:37:16 3216
CU-SBO 04:26:59 -25.7 Dark Down 27.8 186.9 Low 04:16:42 - 04:37:16 3214
Wildwood 04:28:27 -21.6 Dark Down 33.7 172.8 Up 04:18:10 - 04:38:44 3180
Laughlin/Bullhead City 04:28:00 -23.6 Dark Down 32.9 177.2 Up 04:17:43 - 04:38:17 3161
Patrick 04:27:54 -23.9 Dark Down 32.6 178.0 Up 04:17:37 - 04:38:11 3160
Idyllwild 04:28:15 -23.0 Dark Down 34.2 174.8 Up 04:17:58 - 04:38:32 3123
Lake Havasu City 04:27:59 -24.1 Dark Down 33.6 177.5 Up 04:17:42 - 04:38:16 3116
Calipatria 04:28:09 -24.2 Dark Down 34.9 176.1 Up 04:17:52 - 04:38:26 3060
George/Scottsdale 04:27:44 -26.2 Dark Down 34.4 180.2 Up 04:17:27 - 04:38:01 3015
Yuma 04:28:03 -25.0 Dark Down 35.3 177.1 Up 04:17:46 - 04:38:20 3015

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, (2023/08/19 04:31UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 32.04  74
Nunki          18:55:15.9 -26:17:49  2.0  4.62 106
30 Sgr         18:50:50.5 -22:09:45  6.3  0.52 105
PPM 268928     18:48:26.8 -22:04:52  9.6  0.20 105
95626          18:48:53.6 -21:54:51 15.6       105
Positions are for J2000

Event circumstances last updated at 2023/07/04 04:04:01 UT

Marc W. Buie, Southwest Research Institute

RECON