RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0680:33786320 with event index number of 2132927

Geocentric closest approach at 2023/05/20 09:20:43 UTC

J2000 position of star is 19:02:49.8 -21:15:37
Equinox of date position of star is 19:04:11.2 -21:13:32
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=19.9

[RECON map]
TNO is 18.2 AU from the Sun and 17.5 AU from the Earth.
The TNO is moving 13.0 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 244 seconds.
The 1-sigma cross-track error in the shadow position is 927 km.
The sky-plane scale is 12671.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=251.2 km assuming a 5% albedo -- 17.0 sec chord
Diameter=102.6 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 95626, (2023/05/20 09:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.7 -26:28:55  0.9 35.33 177
Nunki          18:56:42.8 -26:15:56  2.0  5.33 145
39Omi Sgr      19:06:05.0 -21:42:19  3.9  0.65 143
PPM 269267     19:05:44.1 -21:29:43  7.6  0.44 143
PPM 269245     19:04:53.3 -20:58:14  9.2  0.30 143
95626          19:04:13.4 -21:13:29 15.9       143
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 3.7 sigma about the mid-time.
The median site spacing is 14.8 km RECON observability=0.6 and success probability=0.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 09:21:27 -17.0 AT Down 14.0 153.3 Really Low 09:06:27 - 09:36:27 4364
Kelowna 09:21:26 -17.6 AT Down 14.9 154.0 Really Low 09:06:26 - 09:36:26 4338
Peachland 09:21:27 -17.7 AT Down 15.0 153.7 Really Low 09:06:27 - 09:36:27 4336
Summerland 09:21:28 -17.9 AT Down 15.1 153.8 Really Low 09:06:28 - 09:36:28 4331
Penticton 09:21:28 -17.9 AT Down 15.2 153.9 Really Low 09:06:28 - 09:36:28 4328
Sleaford 09:20:12 -11.8 NT Down 15.7 166.7 Really Low 09:05:12 - 09:35:12 4325
Oliver 09:21:29 -18.2 Dark Down 15.5 153.8 Really Low 09:06:29 - 09:36:29 4317
Anarchist Mountain Observatory 09:21:29 -18.3 Dark Down 15.7 154.0 Really Low 09:06:29 - 09:36:29 4312
Victoria 09:21:50 -19.7 Dark Down 15.0 150.3 Really Low 09:06:50 - 09:36:50 4302
Tonasket 09:21:30 -18.6 Dark Down 16.0 153.9 Really Low 09:06:30 - 09:36:30 4302
Okanogan 09:21:32 -19.0 Dark Down 16.3 153.7 Really Low 09:06:32 - 09:36:32 4291
Brewster 09:21:34 -19.3 Dark Down 16.4 153.5 Really Low 09:06:34 - 09:36:34 4283
Manson/Chelan 09:21:37 -19.6 Dark Down 16.5 153.2 Really Low 09:06:37 - 09:36:37 4277
Wenatchee 09:21:39 -20.0 Dark Down 16.9 152.9 Really Low 09:06:39 - 09:36:39 4261
Ellensburg 09:21:41 -20.5 Dark Down 17.2 152.7 Really Low 09:06:41 - 09:36:41 4247
Yakima 09:21:43 -20.9 Dark Down 17.6 152.6 Really Low 09:06:43 - 09:36:43 4233
Toppenish/White Swan 09:21:43 -21.0 Dark Down 17.8 152.7 Really Low 09:06:43 - 09:36:43 4225
PNWRO 09:21:36 -21.0 Dark Down 18.6 154.1 Really Low 09:06:36 - 09:36:36 4208
Goldendale 09:21:47 -21.6 Dark Down 18.2 152.3 Really Low 09:06:47 - 09:36:47 4206
The Dalles 09:21:50 -21.9 Dark Down 18.2 151.9 Really Low 09:06:50 - 09:36:50 4197
Maupin 09:21:52 -22.3 Dark Down 18.7 152.0 Really Low 09:06:52 - 09:36:52 4182
Sisters 09:21:56 -23.2 Dark Down 19.3 151.4 Really Low 09:06:56 - 09:36:56 4148
Bend 09:21:57 -23.4 Dark Down 19.6 151.6 Really Low 09:06:57 - 09:36:57 4139
Oregon Observatory 09:21:58 -23.6 Dark Down 19.7 151.4 Really Low 09:06:58 - 09:36:58 4132
North Lake 09:21:57 -24.1 Dark Down 20.4 151.8 Low 09:06:57 - 09:36:57 4105
Chiloquin 09:22:05 -24.9 Dark Down 20.7 150.9 Low 09:07:05 - 09:37:05 4077
Klamath Falls 09:22:05 -25.2 Dark Down 21.0 150.9 Low 09:07:05 - 09:37:05 4062
Lakeview 09:21:58 -24.9 Dark Down 21.6 152.2 Low 09:06:58 - 09:36:58 4058
Cedarville 09:21:59 -25.4 Dark Down 22.2 152.2 Low 09:06:59 - 09:36:59 4028
Fall River/Burney 09:22:08 -26.2 Dark Down 22.2 151.0 Low 09:07:08 - 09:37:08 4009
Susanville 09:22:06 -26.6 Dark Down 23.0 151.6 Low 09:07:06 - 09:37:06 3978
Greenville 09:22:09 -26.9 Dark Down 23.2 151.2 Low 09:07:09 - 09:37:09 3966
Gimple 09:22:08 -26.9 Dark Down 23.2 151.3 Low 09:07:08 - 09:37:08 3965
Quincy 09:22:08 -27.1 Dark Down 23.3 151.2 Low 09:07:08 - 09:37:08 3956
Portola 09:22:06 -27.1 Dark Down 23.6 151.6 Low 09:07:06 - 09:37:06 3949
Reno 09:22:04 -27.2 Dark Down 24.1 152.2 Low 09:07:04 - 09:37:04 3935
Carson City 09:22:05 -27.5 Dark Down 24.4 152.1 Low 09:07:05 - 09:37:05 3917
Yerington 09:22:02 -27.5 Dark Down 24.8 152.7 Low 09:07:02 - 09:37:02 3906
Gardnerville 09:22:06 -27.7 Dark Down 24.6 152.1 Low 09:07:06 - 09:37:06 3905
Hawthorne 09:22:00 -27.7 Dark Down 25.4 153.1 Low 09:07:00 - 09:37:00 3881
Dunrhomin 09:20:34 -21.2 Dark Down 27.3 166.4 Low 09:05:34 - 09:35:34 3866
CU-SBO 09:20:36 -21.4 Dark Down 27.5 166.3 Low 09:05:36 - 09:35:36 3855
Lee Vining 09:22:05 -28.4 Dark Down 25.7 152.5 Low 09:07:05 - 09:37:05 3854
Tonopah 09:21:53 -27.7 Dark Down 26.3 154.3 Low 09:06:53 - 09:36:53 3852
Bishop 09:22:02 -28.7 Dark Down 26.5 153.0 Low 09:07:02 - 09:37:02 3820
Beatty 09:21:54 -28.6 Dark Down 27.5 154.5 Low 09:06:54 - 09:36:54 3788
Indian Springs 09:21:49 -28.5 Dark Down 28.2 155.4 Low 09:06:49 - 09:36:49 3765
Henderson 09:21:46 -28.7 Dark Down 28.9 156.0 Low 09:06:46 - 09:36:46 3732
Patrick 09:21:40 -28.8 Dark Down 29.8 157.0 Low 09:06:40 - 09:36:40 3690
Laughlin/Bullhead City 09:21:46 -29.3 Dark Down 29.8 156.2 Low 09:06:46 - 09:36:46 3681
Kingman/Dolan Springs 09:21:42 -29.1 Dark Down 30.0 156.7 Low 09:06:42 - 09:36:42 3679
Mohave Valley 09:21:46 -29.5 Dark Down 30.1 156.2 Up 09:06:46 - 09:36:46 3665
Lake Havasu City 09:21:46 -29.8 Dark Down 30.5 156.3 Up 09:06:46 - 09:36:46 3641
Wildwood 09:22:14 -31.7 Dark Down 29.4 152.1 Low 09:07:14 - 09:37:14 3640
Parker 09:21:47 -30.1 Dark Down 30.8 156.3 Up 09:06:47 - 09:36:47 3620
Idyllwild 09:22:04 -31.4 Dark Down 30.4 153.8 Up 09:07:04 - 09:37:04 3612
George/Scottsdale 09:21:32 -29.4 Dark Down 32.0 158.6 Up 09:06:32 - 09:36:32 3578
Calipatria 09:21:58 -31.5 Dark Down 31.4 154.8 Up 09:06:58 - 09:36:58 3568
Yuma 09:21:53 -31.5 Dark Down 32.1 155.6 Up 09:06:53 - 09:36:53 3537

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, (2023/05/20 09:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 35.33 177
Nunki          18:55:15.9 -26:17:49  2.0  5.33 145
39Omi Sgr      19:04:41.1 -21:44:31  3.9  0.65 143
PPM 269267     19:04:20.4 -21:31:55  7.6  0.44 143
PPM 269245     19:03:29.9 -21:00:24  9.2  0.30 143
95626          19:02:49.8 -21:15:37 15.9       143
Positions are for J2000

Event circumstances last updated at 2022/10/04 04:13:41 UT

Marc W. Buie, Southwest Research Institute

RECON