RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0680:11591205 with event index number of 2502478

Geocentric closest approach at 2022/05/06 07:39:48 UTC

J2000 position of star is 17:24:24.5 -20:05:00
Equinox of date position of star is 17:25:43.5 -20:06:07
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon. Moon is 25% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 31.9 AU from the Sun and 31.1 AU from the Earth.
The TNO is moving 17.9 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 352 seconds.
The 1-sigma cross-track error in the shadow position is 2209 km.
The sky-plane scale is 22551.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 10.5 sec chord
Diameter=77.1 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KX101, (2022/05/06 07:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:46.9 -26:28:47  0.9 14.13 144
35Eta Oph      17:11:39.7 -15:45:04  2.6  5.49 150
40Xi Oph       17:22:20.8 -21:08:06  3.9  1.30 154
PPM 232992     17:23:53.8 -19:38:13  8.1  0.63 154
PPM 266813     17:25:22.6 -20:13:14  9.5  0.14 154
14KX101        17:25:44.0 -20:06:08 16.5       155
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 2.6 sigma about the mid-time.
The median site spacing is 15.2 km RECON observability=0.3 and success probability=8.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:42:02 -20.8 Dark Up 14.0 153.6 Really Low 07:27:02 - 07:57:02 -69
Kamloops 07:42:49 -22.7 Dark Up 10.3 140.7 Really Low 07:27:49 - 07:57:49 -406
Kelowna 07:42:49 -23.5 Dark Up 11.3 141.3 Really Low 07:27:49 - 07:57:49 -427
Peachland 07:42:51 -23.6 Dark Up 11.3 141.1 Really Low 07:27:51 - 07:57:51 -439
Summerland 07:42:51 -23.8 Dark Up 11.5 141.1 Really Low 07:27:51 - 07:57:51 -445
Penticton 07:42:51 -23.9 Dark Up 11.5 141.2 Really Low 07:27:51 - 07:57:51 -446
Oliver 07:42:51 -24.2 Dark Up 11.8 141.2 Really Low 07:27:51 - 07:57:51 -464
Anarchist Mountain Observatory 07:42:51 -24.4 Dark Up 12.0 141.3 Really Low 07:27:51 - 07:57:51 -468
Tonasket 07:42:52 -24.7 Dark Up 12.3 141.2 Really Low 07:27:52 - 07:57:52 -486
Okanogan 07:42:54 -25.0 Dark Up 12.5 141.1 Really Low 07:27:54 - 07:57:54 -507
Brewster 07:42:55 -25.3 Dark Up 12.6 140.8 Really Low 07:27:55 - 07:57:55 -526
Manson/Chelan 07:42:57 -25.5 Dark Up 12.6 140.5 Really Low 07:27:57 - 07:57:57 -545
Wenatchee 07:42:59 -25.9 Dark Up 12.9 140.3 Really Low 07:27:59 - 07:57:59 -575
Victoria 07:43:04 -24.6 Dark Up 10.7 137.8 Really Low 07:28:04 - 07:58:04 -584
Ellensburg 07:43:00 -26.3 Dark Up 13.1 140.1 Really Low 07:28:00 - 07:58:00 -602
PNWRO 07:42:58 -27.4 Dark Up 14.6 141.3 Really Low 07:27:58 - 07:57:58 -620
Yakima 07:43:02 -26.7 Dark Up 13.4 140.0 Really Low 07:28:02 - 07:58:02 -625
Toppenish/White Swan 07:43:02 -27.0 Dark Up 13.7 140.1 Really Low 07:28:02 - 07:58:02 -634
Dunrhomin 07:42:20 -32.2 Dark Down 24.8 152.5 Low 07:27:20 - 07:57:20 -657
CU-SBO 07:42:21 -32.5 Dark Down 25.0 152.3 Low 07:27:21 - 07:57:21 -674
Goldendale 07:43:05 -27.5 Dark Up 13.9 139.7 Really Low 07:28:05 - 07:58:05 -675
The Dalles 07:43:06 -27.7 Dark Up 13.9 139.3 Really Low 07:28:06 - 07:58:06 -696
Maupin 07:43:07 -28.1 Dark Up 14.3 139.3 Really Low 07:28:07 - 07:58:07 -718
Sisters 07:43:11 -29.0 Dark Up 14.7 138.8 Really Low 07:28:11 - 07:58:11 -781
Bend 07:43:11 -29.2 Dark Up 15.0 139.0 Really Low 07:28:11 - 07:58:11 -789
Oregon Observatory 07:43:12 -29.4 Dark Up 15.1 138.8 Really Low 07:28:12 - 07:58:12 -803
North Lake 07:43:11 -30.1 Dark Up 15.8 139.2 Really Low 07:28:11 - 07:58:11 -828
Lakeview 07:43:12 -31.2 Dark Up 16.9 139.4 Really Low 07:28:12 - 07:58:12 -880
Chiloquin 07:43:16 -30.7 Dark Up 15.9 138.2 Really Low 07:28:16 - 07:58:16 -894
Klamath Falls 07:43:17 -31.0 Dark Up 16.2 138.3 Really Low 07:28:17 - 07:58:17 -913
Cedarville 07:43:14 -31.8 Dark Up 17.5 139.5 Really Low 07:28:14 - 07:58:14 -917
Fall River/Burney 07:43:18 -32.2 Dark Up 17.3 138.3 Really Low 07:28:18 - 07:58:18 -979
Susanville 07:43:18 -32.9 Dark Up 18.1 138.8 Really Low 07:28:18 - 07:58:18 -1001
Gimple 07:43:19 -33.2 Dark Up 18.2 138.6 Really Low 07:28:19 - 07:58:19 -1025
Greenville 07:43:19 -33.2 Dark Up 18.2 138.5 Really Low 07:28:19 - 07:58:19 -1027
Portola 07:43:18 -33.5 Dark Up 18.6 138.9 Really Low 07:28:18 - 07:58:18 -1036
Reno 07:43:17 -33.8 Dark Up 19.2 139.3 Really Low 07:28:17 - 07:58:17 -1037
Quincy 07:43:20 -33.4 Dark Up 18.3 138.5 Really Low 07:28:20 - 07:58:20 -1040
Yerington 07:43:16 -34.4 Dark Up 19.9 139.8 Really Low 07:28:16 - 07:58:16 -1057
Carson City 07:43:18 -34.2 Dark Up 19.5 139.3 Really Low 07:28:18 - 07:58:18 -1060
Tonopah 07:43:11 -35.4 Dark Down 21.6 141.2 Low 07:28:11 - 07:58:11 -1070
Hawthorne 07:43:15 -34.9 Dark Up 20.5 140.1 Low 07:28:15 - 07:58:15 -1075
Gardnerville 07:43:18 -34.4 Dark Up 19.7 139.3 Really Low 07:28:18 - 07:58:18 -1075
Lee Vining 07:43:18 -35.4 Dark Up 20.7 139.5 Low 07:28:18 - 07:58:18 -1125
Indian Springs 07:43:08 -36.9 Dark Down 23.5 142.1 Low 07:28:08 - 07:58:08 -1134
Beatty 07:43:11 -36.5 Dark Down 22.7 141.3 Low 07:28:11 - 07:58:11 -1138
Bishop 07:43:16 -36.1 Dark Down 21.6 140.0 Low 07:28:16 - 07:58:16 -1148
Henderson 07:43:06 -37.4 Dark Down 24.3 142.6 Low 07:28:06 - 07:58:06 -1154
Patrick 07:43:03 -38.0 Dark Down 25.3 143.4 Low 07:28:03 - 07:58:03 -1169
Kingman/Dolan Springs 07:43:04 -38.2 Dark Down 25.4 143.1 Low 07:28:04 - 07:58:04 -1189
Laughlin/Bullhead City 07:43:06 -38.2 Dark Down 25.2 142.7 Low 07:28:06 - 07:58:06 -1205
Mohave Valley 07:43:06 -38.5 Dark Down 25.4 142.6 Low 07:28:06 - 07:58:06 -1224
George/Scottsdale 07:42:57 -39.5 Dark Down 27.7 144.7 Low 07:27:57 - 07:57:57 -1240
Lake Havasu City 07:43:06 -38.9 Dark Down 25.8 142.7 Low 07:28:06 - 07:58:06 -1246
Parker 07:43:07 -39.2 Dark Down 26.1 142.6 Low 07:28:07 - 07:58:07 -1271
Idyllwild 07:43:17 -39.7 Dark Down 25.2 140.4 Low 07:28:17 - 07:58:17 -1362
Calipatria 07:43:13 -40.3 Dark Down 26.3 141.3 Low 07:28:13 - 07:58:13 -1376
Yuma 07:43:10 -40.7 Dark Down 27.1 141.9 Low 07:28:10 - 07:58:10 -1385
Wildwood 07:43:24 -39.3 Dark Down 23.9 139.0 Low 07:28:24 - 07:58:24 -1386

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 14KX101, (2022/05/06 07:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.13 144
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.49 150
40Xi Oph       17:21:00.8 -21:06:51  3.9  1.30 154
PPM 232992     17:22:34.6 -19:37:01  8.1  0.63 154
PPM 266813     17:24:03.0 -20:12:05  9.5  0.14 154
14KX101        17:24:24.5 -20:05:00 16.5       155
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:01:59 UT

Marc W. Buie, Southwest Research Institute

RECON