RECON: TNO occultation with 00YH2

Event between 00YH2 and star GA0960:03134608 with event index number of 1995178

Geocentric closest approach at 2022/12/28 11:54:57 UTC

J2000 position of star is 07:48:02.8 +07:51:50
Equinox of date position of star is 07:49:14.7 +07:48:27
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 28.0 AU from the Sun and 27.1 AU from the Earth.
The TNO is moving 22.1 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 265 seconds.
The 1-sigma cross-track error in the shadow position is 1671 km.
The sky-plane scale is 19685.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 7.5 sec chord
Diameter=67.8 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 00YH2, (2022/12/28 11:55UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:43.2 +27:58:08  1.1 20.17 127
Alhena         06:39:02.4 +16:22:40  1.9 19.17 111
PPM 153569     07:56:46.3 +08:48:00  6.1  2.10 130
PPM 153329     07:49:04.2 +07:16:58  7.1  0.53 128
PPM 153346     07:49:37.5 +07:40:33 10.0  0.15 128
00YH2          07:49:17.3 +07:48:19 16.2       128
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 3.4 sigma about the mid-time.
The median site spacing is 25.2 km RECON observability=1.0 and success probability=1.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 11:52:50 -29.1 Dark Down 28.7 243.2 Low 11:37:50 - 12:07:50 6976
Kamloops 11:53:18 -38.1 Dark Down 37.0 229.6 Up 11:38:18 - 12:08:18 6732
Kelowna 11:53:14 -37.7 Dark Down 37.0 231.0 Up 11:38:14 - 12:08:14 6679
Peachland 11:53:14 -37.9 Dark Down 37.3 230.7 Up 11:38:14 - 12:08:14 6668
Summerland 11:53:13 -37.9 Dark Down 37.3 230.9 Up 11:38:13 - 12:08:13 6657
Penticton 11:53:13 -37.8 Dark Down 37.3 231.1 Up 11:38:13 - 12:08:13 6653
Oliver 11:53:12 -37.9 Dark Down 37.5 231.3 Up 11:38:12 - 12:08:12 6626
Anarchist Mountain Observatory 11:53:11 -37.8 Dark Down 37.5 231.6 Up 11:38:11 - 12:08:11 6615
Tonasket 11:53:10 -37.9 Dark Down 37.8 231.7 Up 11:38:10 - 12:08:10 6590
Okanogan 11:53:10 -38.0 Dark Down 38.1 231.8 Up 11:38:10 - 12:08:10 6562
Brewster 11:53:10 -38.2 Dark Down 38.3 231.7 Up 11:38:10 - 12:08:10 6538
Victoria 11:53:20 -40.5 Dark Down 39.9 227.5 Up 11:38:20 - 12:08:20 6537
Manson/Chelan 11:53:11 -38.4 Dark Down 38.6 231.4 Up 11:38:11 - 12:08:11 6518
Wenatchee 11:53:10 -38.6 Dark Down 39.0 231.6 Up 11:38:10 - 12:08:10 6479
Ellensburg 11:53:09 -38.8 Dark Down 39.4 231.6 Up 11:38:09 - 12:08:09 6443
Yakima 11:53:08 -38.9 Dark Down 39.7 231.8 Up 11:38:08 - 12:08:08 6410
Toppenish/White Swan 11:53:07 -38.8 Dark Down 39.7 232.1 Up 11:38:07 - 12:08:07 6394
PNWRO 11:53:02 -37.8 Dark Down 39.1 234.0 Up 11:38:02 - 12:08:02 6380
Goldendale 11:53:07 -39.1 Dark Down 40.3 232.0 Up 11:38:07 - 12:08:07 6345
The Dalles 11:53:08 -39.4 Dark Down 40.6 231.8 Up 11:38:08 - 12:08:08 6322
Maupin 11:53:06 -39.4 Dark Down 40.8 232.2 Up 11:38:06 - 12:08:06 6289
Sisters 11:53:06 -39.8 Dark Down 41.6 232.3 Up 11:38:06 - 12:08:06 6210
Bend 11:53:04 -39.7 Dark Down 41.7 232.7 Up 11:38:04 - 12:08:04 6193
Oregon Observatory 11:53:05 -39.8 Dark Down 41.8 232.7 Up 11:38:05 - 12:08:05 6177
North Lake 11:53:01 -39.4 Dark Down 41.9 233.7 Up 11:38:01 - 12:08:01 6129
Chiloquin 11:53:03 -40.2 Dark Down 42.9 233.2 Up 11:38:03 - 12:08:03 6060
Dunrhomin 11:52:13 -27.8 Dark Down 33.0 250.3 Up 11:37:13 - 12:07:13 6055
Lakeview 11:52:57 -39.1 Dark Down 42.2 235.1 Up 11:37:57 - 12:07:57 6044
CU-SBO 11:52:12 -27.8 Dark Down 33.2 250.4 Up 11:37:12 - 12:07:12 6032
Klamath Falls 11:53:02 -40.2 Dark Down 43.0 233.5 Up 11:38:02 - 12:08:02 6031
Cedarville 11:52:55 -39.0 Dark Down 42.5 235.7 Up 11:37:55 - 12:07:55 5988
Fall River/Burney 11:52:57 -40.0 Dark Down 43.5 234.8 Up 11:37:57 - 12:07:57 5932
Susanville 11:52:54 -39.4 Dark Down 43.4 236.1 Up 11:37:54 - 12:07:54 5885
Gimple 11:52:54 -39.6 Dark Down 43.7 236.1 Up 11:37:54 - 12:07:54 5858
Greenville 11:52:54 -39.7 Dark Down 43.7 236.0 Up 11:37:54 - 12:07:54 5857
Quincy 11:52:54 -39.7 Dark Down 43.9 236.2 Up 11:37:54 - 12:07:54 5839
Portola 11:52:52 -39.3 Dark Down 43.6 236.8 Up 11:37:52 - 12:07:52 5833
Reno 11:52:50 -38.8 Dark Down 43.4 237.6 Up 11:37:50 - 12:07:50 5817
Carson City 11:52:49 -38.8 Dark Down 43.5 237.9 Up 11:37:49 - 12:07:49 5785
Yerington 11:52:47 -38.3 Dark Down 43.2 238.7 Up 11:37:47 - 12:07:47 5775
Gardnerville 11:52:48 -38.8 Dark Down 43.6 238.2 Up 11:37:48 - 12:07:48 5764
Hawthorne 11:52:44 -37.9 Dark Down 43.1 239.6 Up 11:37:44 - 12:07:44 5739
Tonopah 11:52:39 -36.8 Dark Down 42.4 241.4 Up 11:37:39 - 12:07:39 5714
Lee Vining 11:52:44 -38.3 Dark Down 43.7 239.6 Up 11:37:44 - 12:07:44 5682
Bishop 11:52:41 -37.7 Dark Down 43.5 240.8 Up 11:37:41 - 12:07:41 5636
Beatty 11:52:34 -36.4 Dark Down 42.6 242.7 Up 11:37:34 - 12:07:34 5613
Indian Springs 11:52:31 -35.5 Dark Down 42.0 244.0 Up 11:37:31 - 12:07:31 5596
Henderson 11:52:28 -34.9 Dark Down 41.7 245.0 Up 11:37:28 - 12:07:28 5555
Patrick 11:52:23 -34.0 Dark Down 41.2 246.5 Up 11:37:23 - 12:07:23 5511
Kingman/Dolan Springs 11:52:23 -34.1 Dark Down 41.4 246.5 Up 11:37:23 - 12:07:23 5488
Laughlin/Bullhead City 11:52:25 -34.5 Dark Down 41.8 246.1 Up 11:37:25 - 12:07:25 5479
Mohave Valley 11:52:23 -34.5 Dark Down 41.9 246.3 Up 11:37:23 - 12:07:23 5454
Lake Havasu City 11:52:22 -34.2 Dark Down 41.9 246.8 Up 11:37:22 - 12:07:22 5419
Parker 11:52:21 -34.2 Dark Down 42.0 247.1 Up 11:37:21 - 12:07:21 5387
George/Scottsdale 11:52:13 -32.1 Dark Down 40.3 249.5 Up 11:37:13 - 12:07:13 5378
Wildwood 11:52:34 -37.7 Dark Down 45.2 243.4 Up 11:37:34 - 12:07:34 5328
Idyllwild 11:52:28 -36.1 Dark Down 44.0 245.4 Up 11:37:28 - 12:07:28 5318
Calipatria 11:52:23 -35.1 Dark Down 43.3 247.0 Up 11:37:23 - 12:07:23 5274
Yuma 11:52:20 -34.3 Dark Down 42.8 248.1 Up 11:37:20 - 12:07:20 5245

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 00YH2, (2022/12/28 11:55UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 20.17 127
Alhena         06:37:42.8 +16:23:57  1.9 19.17 111
PPM 153569     07:55:31.4 +08:51:44  6.1  2.10 130
PPM 153329     07:47:50.0 +07:20:28  7.1  0.53 128
PPM 153346     07:48:23.1 +07:44:04 10.0  0.15 128
00YH2          07:48:02.8 +07:51:50 16.2       128
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:19:10 UT

Marc W. Buie, Southwest Research Institute

RECON