RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0680:30576483 with event index number of 2131908

Geocentric closest approach at 2022/05/25 10:20:50 UTC

J2000 position of star is 18:39:40.9 -20:21:50
Equinox of date position of star is 18:41:00.0 -20:20:32
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 88 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=19.6

[RECON map]
TNO is 18.1 AU from the Sun and 17.3 AU from the Earth.
The TNO is moving 16.4 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 148 seconds.
The 1-sigma cross-track error in the shadow position is 789 km.
The sky-plane scale is 12529.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 15.3 sec chord
Diameter=102.6 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 95626, (2022/05/25 10:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.1 -26:28:47  0.9 30.41 117
Nunki          18:56:39.1 -26:16:01  2.0  6.93  84
PPM 268697     18:40:13.5 -21:01:53  6.1  0.71  88
PPM 268721     18:41:13.4 -20:02:58  7.1  0.30  88
PPM 268704     18:40:32.0 -20:18:51  8.9  0.12  88
95626          18:41:00.7 -20:20:31 16.9        87
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 15.8 km RECON observability=0.7 and success probability=2.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:20:10 -11.8 NT Down 18.9 177.8 Really Low 10:07:19 - 10:33:01 3152
Kelowna 10:20:07 -12.2 AT Down 19.8 178.6 Really Low 10:07:16 - 10:32:58 3115
Peachland 10:20:08 -12.4 AT Down 19.9 178.3 Really Low 10:07:17 - 10:32:59 3113
Summerland 10:20:08 -12.5 AT Down 20.0 178.4 Low 10:07:17 - 10:32:59 3107
Penticton 10:20:08 -12.5 AT Down 20.1 178.5 Low 10:07:17 - 10:32:59 3103
Victoria 10:20:25 -14.7 AT Down 21.0 174.7 Low 10:07:34 - 10:33:16 3097
Oliver 10:20:08 -12.8 AT Down 20.4 178.5 Low 10:07:17 - 10:32:59 3090
Anarchist Mountain Observatory 10:20:07 -12.9 AT Up 20.6 178.7 Low 10:07:16 - 10:32:58 3082
Tonasket 10:20:07 -13.1 AT Down 20.9 178.7 Low 10:07:16 - 10:32:58 3070
Okanogan 10:20:08 -13.5 AT Down 21.3 178.5 Low 10:07:17 - 10:32:59 3058
Brewster 10:20:09 -13.8 AT Down 21.5 178.3 Low 10:07:18 - 10:33:00 3049
Manson/Chelan 10:20:11 -14.1 AT Down 21.7 177.9 Low 10:07:20 - 10:33:02 3045
Sleaford 10:19:12 -5.1 CT Up 16.8 191.7 Really Low 10:06:21 - 10:32:03 3038
Wenatchee 10:20:12 -14.5 AT Down 22.2 177.8 Low 10:07:21 - 10:33:03 3027
Ellensburg 10:20:13 -14.9 AT Down 22.6 177.5 Low 10:07:22 - 10:33:04 3012
Yakima 10:20:13 -15.3 AT Down 23.0 177.5 Low 10:07:22 - 10:33:04 2995
Toppenish/White Swan 10:20:13 -15.4 AT Down 23.2 177.7 Low 10:07:22 - 10:33:04 2984
Goldendale 10:20:15 -16.0 AT Down 23.8 177.2 Low 10:07:24 - 10:33:06 2964
The Dalles 10:20:17 -16.4 AT Down 24.0 176.9 Low 10:07:26 - 10:33:08 2957
PNWRO 10:20:06 -15.1 AT Up 23.6 179.2 Low 10:07:15 - 10:32:57 2953
Maupin 10:20:17 -16.7 AT Down 24.4 177.0 Low 10:07:26 - 10:33:08 2937
Sisters 10:20:20 -17.6 AT Down 25.3 176.4 Low 10:07:29 - 10:33:11 2902
Bend 10:20:19 -17.7 AT Down 25.5 176.7 Low 10:07:28 - 10:33:10 2889
Oregon Observatory 10:20:19 -17.9 AT Down 25.7 176.6 Low 10:07:28 - 10:33:10 2882
North Lake 10:20:18 -18.2 Dark Down 26.3 177.1 Low 10:07:27 - 10:33:09 2846
Chiloquin 10:20:22 -19.1 Dark Down 27.0 176.1 Low 10:07:31 - 10:33:13 2822
Klamath Falls 10:20:22 -19.4 Dark Down 27.3 176.2 Low 10:07:31 - 10:33:13 2804
Lakeview 10:20:15 -18.8 Dark Down 27.4 177.7 Low 10:07:24 - 10:33:06 2789
Cedarville 10:20:15 -19.3 Dark Down 28.1 177.8 Low 10:07:24 - 10:33:06 2753
Fall River/Burney 10:20:21 -20.2 Dark Down 28.5 176.5 Low 10:07:30 - 10:33:12 2740
Susanville 10:20:18 -20.4 Dark Down 29.2 177.3 Low 10:07:27 - 10:33:09 2700
Greenville 10:20:19 -20.8 Dark Down 29.4 177.0 Low 10:07:28 - 10:33:10 2688
Gimple 10:20:19 -20.7 Dark Down 29.4 177.1 Low 10:07:28 - 10:33:10 2687
Quincy 10:20:20 -20.9 Dark Down 29.6 177.0 Low 10:07:29 - 10:33:11 2677
Portola 10:20:17 -20.8 Dark Down 29.8 177.5 Low 10:07:26 - 10:33:08 2666
Reno 10:20:14 -20.8 Dark Down 30.1 178.2 Up 10:07:23 - 10:33:05 2644
Carson City 10:20:15 -21.0 Dark Down 30.4 178.2 Up 10:07:24 - 10:33:06 2624
Gardnerville 10:20:15 -21.2 Dark Down 30.7 178.2 Up 10:07:24 - 10:33:06 2610
Yerington 10:20:11 -20.9 Dark Up 30.6 178.9 Up 10:07:20 - 10:33:02 2606
Hawthorne 10:20:09 -21.0 Dark Up 31.1 179.4 Up 10:07:18 - 10:33:00 2574
Lee Vining 10:20:12 -21.7 Dark Up 31.7 178.9 Up 10:07:21 - 10:33:03 2548
Tonopah 10:20:02 -20.7 Dark Up 31.6 180.9 Up 10:07:11 - 10:32:53 2531
Bishop 10:20:09 -21.8 Dark Up 32.3 179.7 Up 10:07:18 - 10:33:00 2504
Dunrhomin 10:19:01 -12.9 AT Up 28.2 193.5 Low 10:06:10 - 10:31:52 2474
CU-SBO 10:19:01 -13.1 AT Up 28.5 193.4 Low 10:06:10 - 10:31:52 2462
Beatty 10:20:00 -21.4 Dark Up 32.7 181.5 Up 10:07:09 - 10:32:51 2456
Indian Springs 10:19:54 -21.1 Dark Up 33.0 182.6 Up 10:07:03 - 10:32:45 2423
Henderson 10:19:51 -21.2 Dark Up 33.5 183.4 Up 10:07:00 - 10:32:42 2380
Patrick 10:19:45 -21.1 Dark Up 34.1 184.7 Up 10:06:54 - 10:32:36 2326
Laughlin/Bullhead City 10:19:49 -21.6 Dark Up 34.4 183.9 Up 10:06:58 - 10:32:40 2320
Kingman/Dolan Springs 10:19:46 -21.3 Dark Up 34.3 184.5 Up 10:06:55 - 10:32:37 2315
Wildwood 10:20:11 -24.5 Dark Up 35.5 179.4 Up 10:07:20 - 10:33:02 2306
Mohave Valley 10:19:49 -21.8 Dark Up 34.6 183.9 Up 10:06:58 - 10:32:40 2303
Lake Havasu City 10:19:48 -22.0 Dark Up 35.0 184.2 Up 10:06:57 - 10:32:39 2274
Idyllwild 10:20:01 -23.8 Dark Up 35.9 181.6 Up 10:07:10 - 10:32:52 2259
Parker 10:19:48 -22.2 Dark Up 35.4 184.3 Up 10:06:57 - 10:32:39 2251
Calipatria 10:19:55 -23.7 Dark Up 36.5 182.9 Up 10:07:04 - 10:32:46 2202
George/Scottsdale 10:19:35 -21.2 Dark Up 35.6 187.1 Up 10:06:44 - 10:32:26 2187
Yuma 10:19:50 -23.5 Dark Up 36.8 184.0 Up 10:06:59 - 10:32:41 2161

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, (2022/05/25 10:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.41 117
Nunki          18:55:15.9 -26:17:49  2.0  6.93  84
PPM 268697     18:38:53.3 -21:03:10  6.1  0.71  88
PPM 268721     18:39:53.7 -20:04:17  7.1  0.30  88
PPM 268704     18:39:12.2 -20:20:09  8.9  0.12  88
95626          18:39:40.9 -20:21:50 16.9        88
Positions are for J2000

Event circumstances last updated at 2022/03/16 00:55:00 UT

Marc W. Buie, Southwest Research Institute

RECON