RECON: TNO occultation with 03WA191

Event between 03WA191 and star GA1080:02473463 with event index number of 1184959

Geocentric closest approach at 2022/12/31 06:59:57 UTC

J2000 position of star is 06:52:52.5 +18:19:47
Equinox of date position of star is 06:54:12.2 +18:18:01
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon. Moon is 63% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 32.9 AU from the Sun and 31.9 AU from the Earth.
The TNO is moving 24.7 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 301 seconds.
The 1-sigma cross-track error in the shadow position is 1263 km.
The sky-plane scale is 23143.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=132.4 km assuming a 5% albedo -- 5.4 sec chord
Diameter=54.1 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03WA191, (2022/12/31 06:14UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:43.3 +27:58:08  1.1 15.44  89
Alhena         06:39:02.4 +16:22:40  1.9  4.10  75
PPM 123009     06:47:42.1 +18:48:42  6.5  1.63  77
PPM 123267     06:57:14.1 +18:27:36  7.9  0.73  79
PPM 123191     06:54:12.2 +18:16:03  9.5  0.03  78
03WA191        06:54:13.1 +18:18:00 15.7        79
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 3.0 sigma about the mid-time.
The median site spacing is 30.0 km RECON observability=1.0 and success probability=0.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:00:23 -61.0 Dark Up 56.1 172.6 Up 06:45:23 - 07:15:23 7207
Kamloops 07:01:03 -59.8 Dark Up 54.4 148.6 Up 06:46:03 - 07:16:03 7049
Kelowna 07:01:00 -60.8 Dark Up 55.4 149.4 Up 06:46:00 - 07:16:00 6971
Peachland 07:01:02 -60.8 Dark Up 55.4 148.8 Up 06:46:02 - 07:16:02 6961
Summerland 07:01:01 -61.0 Dark Up 55.6 148.9 Up 06:46:01 - 07:16:01 6946
Penticton 07:01:00 -61.0 Dark Up 55.7 149.0 Up 06:46:00 - 07:16:00 6940
Oliver 07:01:01 -61.4 Dark Up 56.0 148.7 Up 06:46:01 - 07:16:01 6906
Anarchist Mountain Observatory 07:01:01 -61.6 Dark Up 56.2 148.9 Up 06:46:01 - 07:16:01 6890
Tonasket 07:01:01 -61.8 Dark Up 56.4 148.5 Up 06:46:01 - 07:16:01 6860
Victoria 07:01:13 -60.5 Dark Up 55.1 142.3 Up 06:46:13 - 07:16:13 6848
Okanogan 07:01:02 -62.1 Dark Up 56.7 148.0 Up 06:46:02 - 07:16:02 6827
Brewster 07:01:02 -62.2 Dark Up 56.8 147.5 Up 06:46:02 - 07:16:02 6801
Manson/Chelan 07:01:04 -62.3 Dark Up 56.9 146.7 Up 06:46:04 - 07:16:04 6781
Wenatchee 07:01:04 -62.6 Dark Up 57.2 146.1 Up 06:46:04 - 07:16:04 6735
Ellensburg 07:01:06 -62.9 Dark Up 57.4 145.4 Up 06:46:06 - 07:16:06 6695
Yakima 07:01:07 -63.2 Dark Up 57.8 145.0 Up 06:46:07 - 07:16:07 6655
Toppenish/White Swan 07:01:05 -63.4 Dark Up 58.0 145.0 Up 06:46:05 - 07:16:05 6633
PNWRO 07:01:02 -64.3 Dark Up 58.9 147.2 Up 06:46:02 - 07:16:02 6596
Goldendale 07:01:07 -63.7 Dark Up 58.3 143.8 Up 06:46:07 - 07:16:07 6579
The Dalles 07:01:09 -63.8 Dark Up 58.3 143.0 Up 06:46:09 - 07:16:09 6557
Maupin 07:01:08 -64.1 Dark Up 58.7 142.8 Up 06:46:08 - 07:16:08 6515
Sisters 07:01:10 -64.6 Dark Up 59.2 141.1 Up 06:46:10 - 07:16:10 6428
Bend 07:01:09 -64.9 Dark Up 59.5 141.3 Up 06:46:09 - 07:16:09 6404
Oregon Observatory 07:01:10 -65.0 Dark Up 59.6 140.9 Up 06:46:10 - 07:16:10 6387
North Lake 07:01:09 -65.8 Dark Up 60.3 141.1 Up 06:46:09 - 07:16:09 6321
Chiloquin 07:01:12 -65.8 Dark Up 60.4 138.7 Up 06:46:12 - 07:16:12 6254
Klamath Falls 07:01:12 -66.1 Dark Up 60.7 138.5 Up 06:46:12 - 07:16:12 6219
Lakeview 07:01:08 -66.8 Dark Up 61.4 140.8 Up 06:46:08 - 07:16:08 6213
Cedarville 07:01:08 -67.4 Dark Up 62.0 140.3 Up 06:46:08 - 07:16:08 6145
Fall River/Burney 07:01:12 -67.2 Dark Up 61.7 137.7 Up 06:46:12 - 07:16:12 6097
Dunrhomin 07:00:18 -72.8 Dark Up 67.9 170.9 Up 06:45:18 - 07:15:18 6050
Susanville 07:01:10 -68.0 Dark Up 62.6 138.1 Up 06:46:10 - 07:16:10 6031
CU-SBO 07:00:19 -73.1 Dark Up 68.1 170.5 Up 06:45:19 - 07:15:19 6024
Greenville 07:01:11 -68.1 Dark Up 62.6 137.3 Up 06:46:11 - 07:16:11 6003
Gimple 07:01:11 -68.1 Dark Up 62.7 137.4 Up 06:46:11 - 07:16:11 6003
Quincy 07:01:12 -68.2 Dark Up 62.8 137.0 Up 06:46:12 - 07:16:12 5982
Portola 07:01:10 -68.6 Dark Up 63.1 137.7 Up 06:46:10 - 07:16:10 5968
Reno 07:01:08 -69.1 Dark Up 63.7 138.5 Up 06:46:08 - 07:16:08 5940
Carson City 07:01:08 -69.4 Dark Up 63.9 138.0 Up 06:46:08 - 07:16:08 5903
Yerington 07:01:06 -69.8 Dark Up 64.4 138.9 Up 06:46:06 - 07:16:06 5882
Gardnerville 07:01:07 -69.6 Dark Up 64.1 137.8 Up 06:46:07 - 07:16:07 5877
Hawthorne 07:01:05 -70.5 Dark Up 65.0 139.2 Up 06:46:05 - 07:16:05 5833
Tonopah 07:01:00 -71.5 Dark Up 66.1 141.3 Up 06:46:00 - 07:16:00 5784
Lee Vining 07:01:06 -70.6 Dark Up 65.2 137.5 Up 06:46:06 - 07:16:06 5774
Bishop 07:01:04 -71.4 Dark Up 66.0 138.0 Up 06:46:04 - 07:16:04 5711
Beatty 07:00:59 -72.6 Dark Up 67.2 140.5 Up 06:45:59 - 07:15:59 5662
Indian Springs 07:00:55 -73.4 Dark Up 68.0 142.3 Up 06:45:55 - 07:15:55 5628
Henderson 07:00:53 -74.2 Dark Up 68.8 143.0 Up 06:45:53 - 07:15:53 5572
Patrick 07:00:49 -75.2 Dark Up 69.8 144.5 Up 06:45:49 - 07:15:49 5508
Kingman/Dolan Springs 07:00:49 -75.3 Dark Up 69.9 143.7 Up 06:45:49 - 07:15:49 5484
Laughlin/Bullhead City 07:00:52 -75.1 Dark Up 69.7 142.5 Up 06:45:52 - 07:15:52 5480
Mohave Valley 07:00:51 -75.3 Dark Up 69.9 142.1 Up 06:45:51 - 07:15:51 5451
Lake Havasu City 07:00:50 -75.7 Dark Up 70.3 142.0 Up 06:45:50 - 07:15:50 5409
Parker 07:00:51 -76.0 Dark Up 70.6 141.4 Up 06:45:51 - 07:15:51 5371
Wildwood 07:01:06 -73.5 Dark Up 68.2 132.1 Up 06:46:06 - 07:16:06 5363
George/Scottsdale 07:00:41 -77.6 Dark Up 72.1 146.8 Up 06:45:41 - 07:15:41 5332
Idyllwild 07:00:59 -74.9 Dark Up 69.6 135.3 Up 06:45:59 - 07:15:59 5325
Calipatria 07:00:56 -76.1 Dark Up 70.7 136.7 Up 06:45:56 - 07:15:56 5260
Yuma 07:00:52 -76.9 Dark Up 71.5 137.9 Up 06:45:52 - 07:15:52 5215

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 03WA191, (2022/12/31 06:14UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 15.44  89
Alhena         06:37:42.8 +16:23:57  1.9  4.10  75
PPM 123009     06:46:21.1 +18:50:16  6.5  1.63  77
PPM 123267     06:55:53.4 +18:29:29  7.9  0.73  79
PPM 123191     06:52:51.6 +18:17:49  9.5  0.03  78
03WA191        06:52:52.5 +18:19:47 15.7        78
Positions are for J2000

Event circumstances last updated at 2022/09/30 04:14:41 UT

Marc W. Buie, Southwest Research Institute

RECON