RECON: TNO occultation with 523719

Event between (523719) 14LM28 and star GA1340:04776977 with event index number of 2292371

Geocentric closest approach at 2022/03/13 11:25:02 UTC

J2000 position of star is 17:55:20.6 +44:31:17
Equinox of date position of star is 17:55:59.2 +44:31:09
Stellar brightness G=11.8, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 105 degrees from the moon. Moon is 77% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 18.0 AU from the Sun and 18.0 AU from the Earth.
The TNO is moving 37.0 km/sec on the sky relative to the star, or, 10.2 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is 1651 km.
The sky-plane scale is 13024.2 km/arcsec.

The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 1.7 sec chord
Diameter=25.8 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 523719, (2022/03/13 11:25UT)
Object            RA         Dec     mag  sep  mel
Vega           18:37:41.4 +38:48:19  0.0  9.65 113
Etamin         17:57:07.3 +51:29:14  2.2  6.97  99
PPM 056691     18:00:34.3 +45:30:05  5.7  1.27 104
PPM 056608     17:55:22.6 +45:12:52  8.2  0.70 104
PPM 056617     17:55:49.4 +44:09:13  9.8  0.37 105
523719         17:55:59.7 +44:31:08 11.8       105
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 4.6 km RECON observability=1.0 and success probability=1.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
CPSLO 11:24:47 -34.9 Dark Up 53.2 60.8 Up 11:17:43 - 11:31:50 6490
Wildwood 11:24:42 -33.9 Dark Up 54.0 59.4 Up 11:17:39 - 11:31:46 6377
Quincy 11:25:00 -33.0 Dark Up 55.1 66.5 Up 11:17:56 - 11:32:03 6366
Greenville 11:25:01 -32.9 Dark Up 55.1 66.8 Up 11:17:57 - 11:32:04 6359
Fall River/Burney 11:25:04 -32.8 Dark Up 55.2 67.9 Up 11:18:00 - 11:32:07 6356
Gimple 11:25:00 -32.9 Dark Up 55.2 66.8 Up 11:17:57 - 11:32:04 6354
Portola 11:25:00 -32.7 Dark Up 55.3 66.5 Up 11:17:56 - 11:32:03 6339
Klamath Falls 11:25:07 -32.4 Dark Up 55.4 69.4 Up 11:18:03 - 11:32:10 6337
Susanville 11:25:01 -32.6 Dark Up 55.5 67.2 Up 11:17:58 - 11:32:05 6331
Chiloquin 11:25:08 -32.3 Dark Up 55.4 69.8 Up 11:18:05 - 11:32:12 6330
Gardnerville 11:24:56 -32.6 Dark Up 55.5 65.4 Up 11:17:52 - 11:31:59 6320
Carson City 11:24:57 -32.6 Dark Up 55.6 65.7 Up 11:17:53 - 11:32:00 6315
Lee Vining 11:24:53 -32.6 Dark Up 55.5 64.2 Up 11:17:50 - 11:31:57 6308
Reno 11:24:58 -32.4 Dark Up 55.7 66.2 Up 11:17:54 - 11:32:01 6305
Yerington 11:24:55 -32.2 Dark Up 55.9 65.6 Up 11:17:52 - 11:31:59 6278
Bishop 11:24:51 -32.4 Dark Up 55.8 63.5 Up 11:17:48 - 11:31:55 6275
La Pine/Gilchrist 11:25:10 -31.5 Dark Up 56.0 71.5 Up 11:18:07 - 11:32:14 6266
Cedarville 11:25:04 -31.7 Dark Up 56.2 68.9 Up 11:18:01 - 11:32:08 6261
Hawthorne 11:24:54 -32.0 Dark Up 56.1 65.0 Up 11:17:51 - 11:31:58 6257
Oregon Observatory 11:25:11 -31.4 Dark Up 56.2 71.8 Up 11:18:07 - 11:32:14 6254
Lakeview 11:25:05 -31.5 Dark Up 56.3 69.7 Up 11:18:01 - 11:32:08 6249
Idyllwild 11:24:40 -32.5 Dark Up 55.2 58.9 Up 11:17:36 - 11:31:43 6248
Sisters 11:25:12 -31.2 Dark Up 56.2 72.3 Up 11:18:09 - 11:32:16 6246
North Lake 11:25:10 -31.4 Dark Up 56.3 71.1 Up 11:18:06 - 11:32:13 6245
Paisley 11:25:07 -31.4 Dark Up 56.4 70.4 Up 11:18:04 - 11:32:11 6243
Bend 11:25:11 -31.2 Dark Up 56.3 72.1 Up 11:18:08 - 11:32:15 6239
Redmond 11:25:12 -31.0 Dark Up 56.5 72.4 Up 11:18:08 - 11:32:15 6222
Maupin 11:25:14 -30.5 Dark Up 56.8 73.8 Up 11:18:11 - 11:32:18 6181
Tonopah 11:24:52 -31.2 Dark Up 56.9 64.6 Up 11:17:49 - 11:31:56 6172
Beatty 11:24:48 -31.4 Dark Up 56.7 63.0 Up 11:17:45 - 11:31:52 6172
Victoria 11:25:25 -30.0 Dark Up 56.1 77.6 Up 11:18:22 - 11:32:29 6172
Calipatria 11:24:37 -31.8 Dark Up 55.7 58.1 Up 11:17:34 - 11:31:41 6171
The Dalles 11:25:16 -30.3 Dark Up 56.8 74.4 Up 11:18:12 - 11:32:19 6170
Goldendale 11:25:16 -30.0 Dark Up 57.1 74.9 Up 11:18:12 - 11:32:19 6140
Yuma 11:24:35 -31.3 Dark Down 56.1 57.4 Up 11:17:31 - 11:31:38 6112
Indian Springs 11:24:47 -30.7 Dark Up 57.3 62.6 Up 11:17:43 - 11:31:50 6102
Yakima 11:25:18 -29.4 Dark Up 57.5 76.1 Up 11:18:15 - 11:32:22 6094
Toppenish/White Swan 11:25:17 -29.5 Dark Up 57.6 75.9 Up 11:18:14 - 11:32:21 6092
Blythe 11:24:37 -30.9 Dark Down 56.6 58.6 Up 11:17:34 - 11:31:41 6089
Ellensburg 11:25:19 -29.2 Dark Up 57.6 76.8 Up 11:18:15 - 11:32:22 6076
Henderson 11:24:44 -30.4 Dark Up 57.6 61.8 Up 11:17:40 - 11:31:47 6064
Mohave Valley 11:24:41 -30.5 Dark Up 57.3 60.3 Up 11:17:37 - 11:31:44 6060
Parker 11:24:39 -30.5 Dark Down 57.1 59.2 Up 11:17:35 - 11:31:42 6055
Laughlin/Bullhead City 11:24:41 -30.4 Dark Up 57.4 60.6 Up 11:17:37 - 11:31:44 6054
Lake Havasu City 11:24:39 -30.4 Dark Down 57.3 59.7 Up 11:17:36 - 11:31:43 6050
Wenatchee 11:25:20 -28.9 Dark Up 57.9 77.5 Up 11:18:17 - 11:32:24 6046
Pasco 11:25:16 -28.8 Dark Up 58.4 76.3 Up 11:18:13 - 11:32:20 6021
PNWRO 11:25:15 -28.8 Dark Up 58.5 76.0 Up 11:18:11 - 11:32:18 6017
Manson/Chelan 11:25:21 -28.5 Dark Up 58.1 78.4 Up 11:18:17 - 11:32:24 6017
Kingman/Dolan Springs 11:24:42 -30.0 Dark Up 57.8 60.6 Up 11:17:38 - 11:31:45 6015
Patrick 11:24:42 -29.7 Dark Up 58.1 60.9 Up 11:17:38 - 11:31:45 5995
Brewster 11:25:21 -28.2 Dark Up 58.4 78.9 Up 11:18:18 - 11:32:25 5987
Okanogan 11:25:22 -28.0 Dark Up 58.6 79.4 Up 11:18:18 - 11:32:25 5964
Tonasket 11:25:23 -27.7 Dark Up 58.7 80.1 Up 11:18:20 - 11:32:27 5942
Oliver 11:25:24 -27.5 Dark Up 58.7 80.8 Up 11:18:21 - 11:32:28 5929
Anarchist Mountain Observatory 11:25:24 -27.5 Dark Up 58.8 80.6 Up 11:18:20 - 11:32:27 5925
Summerland 11:25:26 -27.4 Dark Up 58.7 81.4 Up 11:18:22 - 11:32:29 5917
Peachland 11:25:26 -27.3 Dark Up 58.7 81.6 Up 11:18:23 - 11:32:30 5916
Penticton 11:25:25 -27.3 Dark Up 58.8 81.3 Up 11:18:21 - 11:32:28 5914
Kamloops 11:25:29 -27.2 Dark Up 58.4 82.7 Up 11:18:25 - 11:32:32 5909
Kelowna 11:25:26 -27.1 Dark Up 58.9 81.9 Up 11:18:22 - 11:32:29 5895
George/Scottsdale 11:24:35 -28.7 Dark Down 58.6 58.4 Up 11:17:32 - 11:31:39 5875
Dunrhomin 11:24:50 -21.7 Dark Down 66.3 69.1 Up 11:17:47 - 11:31:54 5231
Sleaford 11:25:25 -18.5 Dark Up 67.4 96.7 Up 11:18:22 - 11:32:29 5016

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 523719, (2022/03/13 11:25UT)
Object            RA         Dec     mag  sep  mel
Vega           18:36:56.7 +38:47:07  0.0  9.65 113
Etamin         17:56:36.3 +51:29:20  2.2  6.97  99
PPM 056691     17:59:56.2 +45:30:05  5.7  1.27 104
PPM 056608     17:54:44.2 +45:13:02  8.2  0.70 104
PPM 056617     17:55:10.0 +44:09:22  9.8  0.37 105
523719         17:55:20.6 +44:31:17 11.8       105
Positions are for J2000

Event circumstances last updated at 2021/12/06 01:47:45 UT

Marc W. Buie, Southwest Research Institute

RECON