RECON: TNO occultation with 10VE253

Event between 10VE253 and star GA1180:02790889 with event index number of 2106088

Geocentric closest approach at 2022/10/05 07:50:54 UTC

J2000 position of star is 06:57:44.9 +29:48:34
Equinox of date position of star is 06:59:11.6 +29:46:39
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon. Moon is 76% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 20.1 AU from the Sun and 20.1 AU from the Earth.
The TNO is moving 7.7 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 461 seconds.
The 1-sigma cross-track error in the shadow position is 1053 km.
The sky-plane scale is 14593.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=61.1 km assuming a 5% albedo -- 7.9 sec chord
Diameter=24.9 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10VE253, (2022/10/05 07:51UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:42.4 +27:58:10  1.1 10.55 160
PPM 097053     07:08:50.4 +28:08:22  6.2  2.67 152
PPM 096723     06:56:13.8 +29:47:50  8.0  0.64 149
PPM 072258     06:58:27.3 +29:59:53  9.4  0.27 150
10VE253        06:59:11.7 +29:46:38 16.3       150
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 2.0 sigma about the mid-time.
The median site spacing is 44.7 km RECON observability=0.1 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)
Victoria 07:45:32 -46.1 Dark Up 17.3 64.3 Really Low 07:30:32 - 08:00:32 7893
Kamloops 07:45:48 -44.1 Dark Up 20.0 67.1 Low 07:30:48 - 08:00:48 7858
Peachland 07:45:39 -45.0 Dark Up 20.0 67.1 Low 07:30:39 - 08:00:39 7813
Kelowna 07:45:40 -44.9 Dark Up 20.2 67.4 Low 07:30:40 - 08:00:40 7807
Summerland 07:45:34 -45.2 Dark Up 20.0 67.1 Really Low 07:30:34 - 08:00:34 7806
Penticton 07:45:33 -45.2 Dark Up 20.0 67.2 Low 07:30:33 - 08:00:33 7800
Oliver 07:45:30 -45.6 Dark Up 19.9 67.0 Really Low 07:30:30 - 08:00:30 7790
Anarchist Mountain Observatory 07:45:29 -45.8 Dark Up 19.9 67.1 Really Low 07:30:29 - 08:00:29 7779
Tonasket 07:45:23 -46.1 Dark Up 19.8 67.0 Really Low 07:30:23 - 08:00:23 7771
Manson/Chelan 07:45:14 -46.9 Dark Up 19.0 66.2 Really Low 07:30:14 - 08:00:14 7770
Okanogan 07:45:22 -46.4 Dark Up 19.5 66.7 Really Low 07:30:22 - 08:00:22 7766
Brewster 07:45:19 -46.7 Dark Up 19.3 66.5 Really Low 07:30:19 - 08:00:19 7764
Wenatchee 07:45:09 -47.3 Dark Up 18.7 65.9 Really Low 07:30:09 - 08:00:09 7760
Ellensburg 07:45:04 -47.8 Dark Up 18.3 65.6 Really Low 07:30:04 - 08:00:04 7754
Yakima 07:44:59 -48.2 Dark Up 18.1 65.5 Really Low 07:29:59 - 07:59:59 7741
The Dalles 07:44:49 -49.1 Dark Up 17.3 64.8 Really Low 07:29:49 - 07:59:49 7728
Toppenish/White Swan 07:44:56 -48.4 Dark Up 18.2 65.5 Really Low 07:29:56 - 07:59:56 7728
Goldendale 07:44:53 -48.9 Dark Up 17.6 65.1 Really Low 07:29:53 - 07:59:53 7724
Maupin 07:44:47 -49.6 Dark Up 17.2 64.7 Really Low 07:29:47 - 07:59:47 7710
Sisters 07:44:35 -50.4 Dark Up 16.5 64.2 Really Low 07:29:35 - 07:59:35 7696
Bend 07:44:32 -50.7 Dark Up 16.5 64.2 Really Low 07:29:32 - 07:59:32 7679
Oregon Observatory 07:44:32 -50.8 Dark Up 16.4 64.1 Really Low 07:29:32 - 07:59:32 7677
PNWRO 07:44:49 -48.8 Dark Up 18.9 66.3 Really Low 07:29:49 - 07:59:49 7664
Chiloquin 07:44:19 -52.1 Dark Up 15.5 63.5 Really Low 07:29:19 - 07:59:19 7642
North Lake 07:44:21 -51.5 Dark Up 16.4 64.2 Really Low 07:29:21 - 07:59:21 7634
Klamath Falls 07:44:12 -52.5 Dark Up 15.4 63.4 Really Low 07:29:12 - 07:59:12 7625
Lakeview 07:44:07 -52.6 Dark Up 16.3 64.3 Really Low 07:29:07 - 07:59:07 7573
Fall River/Burney 07:43:57 -53.6 Dark Up 15.0 63.3 Really Low 07:28:57 - 07:58:57 7564
Cedarville 07:44:00 -53.2 Dark Up 16.1 64.2 Really Low 07:29:00 - 07:59:00 7539
Susanville 07:43:48 -54.3 Dark Up 15.2 63.6 Really Low 07:28:48 - 07:58:48 7510
Greenville 07:43:48 -54.6 Dark Up 14.9 63.4 Really Low 07:28:48 - 07:58:48 7509
Gimple 07:43:45 -54.6 Dark Up 15.0 63.4 Really Low 07:28:45 - 07:58:45 7506
Quincy 07:43:43 -54.8 Dark Up 14.8 63.3 Really Low 07:28:43 - 07:58:43 7500
Portola 07:43:44 -54.9 Dark Up 15.1 63.5 Really Low 07:28:44 - 07:58:44 7477
Reno 07:43:37 -55.2 Dark Up 15.4 63.8 Really Low 07:28:37 - 07:58:37 7441
Carson City 07:43:34 -55.6 Dark Up 15.2 63.7 Really Low 07:28:34 - 07:58:34 7424
Sleaford 07:45:55 -41.4 Dark Down 29.1 77.7 Low 07:30:55 - 08:00:55 7416
Gardnerville 07:43:29 -55.8 Dark Up 15.1 63.7 Really Low 07:28:29 - 07:58:29 7411
Yerington 07:43:29 -55.8 Dark Up 15.6 64.0 Really Low 07:28:29 - 07:58:29 7391
Hawthorne 07:43:22 -56.2 Dark Up 15.7 64.2 Really Low 07:28:22 - 07:58:22 7349
Lee Vining 07:43:18 -56.8 Dark Up 15.1 63.8 Really Low 07:28:18 - 07:58:18 7342
Bishop 07:43:10 -57.4 Dark Up 15.4 64.0 Really Low 07:28:10 - 07:58:10 7284
Tonopah 07:43:16 -56.7 Dark Up 16.5 64.8 Really Low 07:28:16 - 07:58:16 7271
Beatty 07:43:01 -57.8 Dark Up 16.3 64.7 Really Low 07:28:01 - 07:58:01 7195
Indian Springs 07:42:56 -58.1 Dark Up 16.9 65.1 Really Low 07:27:56 - 07:57:56 7134
Wildwood 07:42:34 -60.7 Dark Up 13.6 63.0 Really Low 07:27:34 - 07:57:34 7126
Henderson 07:42:50 -58.5 Dark Up 17.2 65.3 Really Low 07:27:50 - 07:57:50 7077
Idyllwild 07:42:27 -61.0 Dark Up 14.9 63.8 Really Low 07:27:27 - 07:57:27 7028
Laughlin/Bullhead City 07:42:39 -59.4 Dark Up 17.1 65.2 Really Low 07:27:39 - 07:57:39 7013
Mohave Valley 07:42:34 -59.6 Dark Up 17.0 65.1 Really Low 07:27:34 - 07:57:34 6998
Patrick 07:42:40 -59.0 Dark Up 17.7 65.6 Really Low 07:27:40 - 07:57:40 6996
Kingman/Dolan Springs 07:42:38 -59.3 Dark Up 17.5 65.4 Really Low 07:27:38 - 07:57:38 6993
Lake Havasu City 07:42:30 -60.0 Dark Up 17.0 65.1 Really Low 07:27:30 - 07:57:30 6966
Parker 07:42:26 -60.4 Dark Up 16.8 65.0 Really Low 07:27:26 - 07:57:26 6945
Calipatria 07:42:18 -61.5 Dark Up 15.5 64.2 Really Low 07:27:18 - 07:57:18 6942
Yuma 07:42:12 -61.8 Dark Up 15.9 64.5 Really Low 07:27:12 - 07:57:12 6879
Dunrhomin 07:43:27 -52.5 Dark Up 26.0 71.9 Low 07:28:27 - 07:58:27 6871
CU-SBO 07:43:25 -52.7 Dark Up 25.9 71.7 Low 07:28:25 - 07:58:25 6862
George/Scottsdale 07:42:19 -60.4 Dark Up 18.5 66.0 Really Low 07:27:19 - 07:57:19 6814

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 10VE253, (2022/10/05 07:51UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 10.55 160
PPM 097053     07:07:24.8 +28:10:36  6.2  2.67 152
PPM 096723     06:54:46.9 +29:49:39  8.0  0.64 149
PPM 072258     06:57:00.3 +30:01:47  9.4  0.27 150
10VE253        06:57:44.9 +29:48:34 16.3       150
Positions are for J2000

Event circumstances last updated at 2022/10/01 04:15:10 UT

Marc W. Buie, Southwest Research Institute

RECON