RECON: TNO occultation with 05VZ122

Event between 05VZ122 and star GA1020:01400654 with event index number of 1956844

Geocentric closest approach at 2022/01/18 11:13:01 UTC

J2000 position of star is 06:05:41.0 +13:50:36
Equinox of date position of star is 06:06:55.8 +13:50:24
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 35 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 35.9 AU from the Sun and 35.0 AU from the Earth.
The TNO is moving 22.0 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 180 seconds.
The 1-sigma cross-track error in the shadow position is 1420 km.
The sky-plane scale is 25386.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=214.8 km assuming a 5% albedo -- 9.6 sec chord
Diameter=87.7 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 8:5EEE
 
 
 
 
 
 

Star training set for 05VZ122, (2022/01/18 11:10UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:22.0 +07:24:34  0.4  6.93  40
Alhena         06:38:59.1 +16:22:43  1.9  8.14  27
PPM 122055     06:12:42.8 +13:37:55  6.0  1.42  34
PPM 121850     06:05:37.3 +13:51:36  8.1  0.32  35
PPM 121852     06:05:50.3 +13:42:01  9.2  0.30  35
05VZ122        06:06:56.1 +13:50:24 17.0        35
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 22.0 km RECON observability=0.7 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)
Sleaford 11:10:18 -34.9 Dark Up 12.0 277.1 Really Low 10:55:18 - 11:25:18 11976
Kamloops 11:10:19 -43.9 Dark Up 21.0 266.3 Low 10:55:19 - 11:25:19 11637
Kelowna 11:10:15 -43.7 Dark Up 20.5 267.3 Low 10:55:15 - 11:25:15 11598
Peachland 11:10:15 -43.9 Dark Up 20.7 267.1 Low 10:55:15 - 11:25:15 11585
Summerland 11:10:14 -43.9 Dark Up 20.6 267.3 Low 10:55:14 - 11:25:14 11576
Penticton 11:10:14 -43.9 Dark Up 20.6 267.4 Low 10:55:14 - 11:25:14 11573
Oliver 11:10:12 -44.0 Dark Up 20.6 267.5 Low 10:55:12 - 11:25:12 11549
Anarchist Mountain Observatory 11:10:11 -44.0 Dark Up 20.5 267.7 Low 10:55:11 - 11:25:11 11541
Tonasket 11:10:10 -44.1 Dark Up 20.5 267.8 Low 10:55:10 - 11:25:10 11518
Okanogan 11:10:09 -44.3 Dark Up 20.6 267.8 Low 10:55:09 - 11:25:09 11491
Brewster 11:10:08 -44.6 Dark Up 20.8 267.7 Low 10:55:08 - 11:25:08 11468
Manson/Chelan 11:10:08 -44.9 Dark Up 21.0 267.5 Low 10:55:08 - 11:25:08 11446
Victoria 11:10:13 -46.6 Dark Up 23.2 264.8 Low 10:55:13 - 11:25:13 11431
Wenatchee 11:10:06 -45.2 Dark Up 21.2 267.6 Low 10:55:06 - 11:25:06 11409
Ellensburg 11:10:06 -45.4 Dark Up 21.4 267.6 Low 10:55:06 - 11:25:06 11375
Pasco 11:10:00 -44.8 Dark Up 20.4 268.9 Low 10:55:00 - 11:25:00 11348
Yakima 11:10:03 -45.6 Dark Up 21.4 267.7 Low 10:55:03 - 11:25:03 11345
PNWRO 11:09:59 -44.7 Dark Up 20.3 269.1 Low 10:54:59 - 11:24:59 11334
Toppenish/White Swan 11:10:02 -45.6 Dark Up 21.3 267.9 Low 10:55:02 - 11:25:02 11332
Goldendale 11:10:00 -46.1 Dark Up 21.6 267.8 Low 10:55:00 - 11:25:00 11283
The Dalles 11:10:00 -46.4 Dark Up 21.9 267.6 Low 10:55:00 - 11:25:00 11259
Maupin 11:09:58 -46.4 Dark Up 21.8 267.9 Low 10:54:58 - 11:24:58 11229
Dunrhomin 11:09:32 -36.0 Dark Up 9.9 279.8 Really Low 10:54:32 - 11:24:32 11177
Redmond 11:09:55 -46.8 Dark Up 21.9 268.2 Low 10:54:55 - 11:24:55 11159
Sisters 11:09:55 -47.1 Dark Up 22.2 267.9 Low 10:54:55 - 11:24:55 11153
Bend 11:09:54 -47.0 Dark Up 22.0 268.1 Low 10:54:54 - 11:24:54 11140
Oregon Observatory 11:09:54 -47.1 Dark Up 22.1 268.1 Low 10:54:54 - 11:24:54 11124
La Pine/Gilchrist 11:09:53 -47.2 Dark Up 22.2 268.2 Low 10:54:53 - 11:24:53 11107
North Lake 11:09:51 -47.0 Dark Up 21.8 268.7 Low 10:54:51 - 11:24:51 11085
Paisley 11:09:49 -46.9 Dark Up 21.5 269.2 Low 10:54:49 - 11:24:49 11049
Lakeview 11:09:47 -46.9 Dark Up 21.4 269.5 Low 10:54:47 - 11:24:47 11013
Chiloquin 11:09:50 -47.8 Dark Up 22.5 268.4 Low 10:54:50 - 11:24:50 11012
Klamath Falls 11:09:48 -47.9 Dark Up 22.4 268.5 Low 10:54:48 - 11:24:48 10986
Cedarville 11:09:44 -47.0 Dark Up 21.3 269.9 Low 10:54:44 - 11:24:44 10964
Fall River/Burney 11:09:44 -48.0 Dark Up 22.2 269.3 Low 10:54:44 - 11:24:44 10900
Susanville 11:09:40 -47.6 Dark Up 21.7 270.0 Low 10:54:40 - 11:24:40 10864
Gimple 11:09:40 -47.8 Dark Up 21.8 270.0 Low 10:54:40 - 11:24:40 10837
Greenville 11:09:40 -47.9 Dark Up 21.9 269.9 Low 10:54:40 - 11:24:40 10835
Portola 11:09:38 -47.6 Dark Up 21.5 270.4 Low 10:54:38 - 11:24:38 10819
Quincy 11:09:40 -47.9 Dark Up 21.9 270.0 Low 10:54:40 - 11:24:40 10819
Reno 11:09:37 -47.2 Dark Up 21.0 270.9 Low 10:54:37 - 11:24:37 10811
Carson City 11:09:35 -47.3 Dark Up 21.0 271.0 Low 10:54:35 - 11:24:35 10782
Yerington 11:09:34 -46.8 Dark Up 20.5 271.5 Low 10:54:34 - 11:24:34 10779
Gardnerville 11:09:35 -47.3 Dark Up 21.0 271.1 Low 10:54:35 - 11:24:35 10762
Hawthorne 11:09:32 -46.5 Dark Up 20.1 272.0 Low 10:54:32 - 11:24:32 10752
Tonopah 11:09:29 -45.5 Dark Up 19.0 273.0 Really Low 10:54:29 - 11:24:29 10745
Lee Vining 11:09:31 -47.0 Dark Up 20.5 271.9 Low 10:54:31 - 11:24:31 10695
Bishop 11:09:28 -46.6 Dark Up 19.9 272.5 Really Low 10:54:28 - 11:24:28 10660
Beatty 11:09:25 -45.3 Dark Up 18.5 273.7 Really Low 10:54:25 - 11:24:25 10657
Indian Springs 11:09:23 -44.5 Dark Up 17.7 274.4 Really Low 10:54:23 - 11:24:23 10654
Henderson 11:09:21 -44.0 Dark Up 17.1 274.9 Really Low 10:54:21 - 11:24:21 10624
Patrick 11:09:18 -43.2 Dark Up 16.1 275.7 Really Low 10:54:18 - 11:24:18 10596
Kingman/Dolan Springs 11:09:18 -43.4 Dark Up 16.3 275.7 Really Low 10:54:18 - 11:24:18 10572
Laughlin/Bullhead City 11:09:18 -43.8 Dark Up 16.7 275.4 Really Low 10:54:18 - 11:24:18 10558
Mohave Valley 11:09:17 -43.8 Dark Up 16.6 275.5 Really Low 10:54:17 - 11:24:17 10535
Lake Havasu City 11:09:15 -43.7 Dark Up 16.4 275.8 Really Low 10:54:15 - 11:24:15 10506
George/Scottsdale 11:09:12 -41.7 Dark Up 14.3 277.3 Really Low 10:54:12 - 11:24:12 10495
Parker 11:09:14 -43.7 Dark Up 16.4 275.9 Really Low 10:54:14 - 11:24:14 10476
CPSLO 11:09:24 -48.7 Dark Up 21.6 272.0 Low 10:54:24 - 11:24:24 10431
Blythe 11:09:13 -43.9 Dark Up 16.5 275.9 Really Low 10:54:13 - 11:24:13 10423
Idyllwild 11:09:15 -45.7 Dark Up 18.3 274.7 Really Low 10:54:15 - 11:24:15 10385
Wildwood 11:09:18 -47.2 Dark Up 19.9 273.6 Really Low 10:54:18 - 11:24:18 10373
Calipatria 11:09:12 -44.8 Dark Up 17.3 275.5 Really Low 10:54:12 - 11:24:12 10358
Yuma 11:09:10 -44.0 Dark Up 16.5 276.1 Really Low 10:54:10 - 11:24:10 10341

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 05VZ122, (2022/01/18 11:10UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  6.93  40
Alhena         06:37:42.8 +16:23:57  1.9  8.14  27
PPM 122055     06:11:27.9 +13:38:18  6.0  1.42  34
PPM 121850     06:04:22.2 +13:51:46  8.1  0.32  35
PPM 121852     06:04:35.3 +13:42:12  9.2  0.30  35
05VZ122        06:05:41.0 +13:50:36 17.0        35
Positions are for J2000

Event circumstances last updated at 2021/12/18 01:45:41 UT

Marc W. Buie, Southwest Research Institute

RECON