RECON: TNO occultation with 119473

Event between (119473) 01UO18 and star GA1160:01573756 with event index number of 2226850

Geocentric closest approach at 2028/10/22 04:41:28 UTC

J2000 position of star is 05:46:39.6 +26:13:39
Equinox of date position of star is 05:48:10.0 +26:14:05
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 177 degrees from the moon. Moon is 21% illuminated.
Apparent brightness V=22.8

[RECON map]
Object is 28.3 AU from the Sun and 27.8 AU from the Earth.
Apparent velocity is 10.0 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 914 seconds.
The 1-sigma cross-track error in the shadow position is 1202 km.
The sky-plane scale is 20131.9 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 14.2 sec chord
Diameter=58.2 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 119473, (2028/10/22 04:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:43.9 +07:24:36  0.4 18.93 161
Alnath         05:28:06.9 +28:37:45  1.6  5.11 176
125 Tau        05:41:31.4 +25:54:38  5.2  1.59 178
PPM 094789     05:46:43.2 +26:21:08  7.7  0.41 177
PPM 094841     05:48:06.7 +26:04:49  9.5  0.17 177
PPM 094864     05:48:57.7 +26:06:46 11.6  0.17 177
119473         05:48:27.1 +26:14:10 16.6       176
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 1.0 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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)
Kamloops 04:49:09 -36.6 Dark Down 12.0 63.1 Really Low 04:34:09 - 05:04:09 6669
Victoria 04:49:21 -36.0 Dark Down 9.3 60.6 Really Low 04:34:21 - 05:04:21 6628
Peachland 04:49:18 -37.4 Dark Down 12.0 63.3 Really Low 04:34:18 - 05:04:18 6588
Kelowna 04:49:17 -37.5 Dark Down 12.2 63.6 Really Low 04:34:17 - 05:04:17 6585
Summerland 04:49:18 -37.6 Dark Down 12.0 63.4 Really Low 04:34:18 - 05:04:18 6575
Penticton 04:49:19 -37.7 Dark Down 12.0 63.4 Really Low 04:34:19 - 05:04:19 6567
Oliver 04:49:21 -37.9 Dark Down 11.8 63.4 Really Low 04:34:21 - 05:04:21 6543
Anarchist Mountain Observatory 04:49:22 -38.1 Dark Down 11.9 63.5 Really Low 04:34:22 - 05:04:22 6525
Okanogan 04:49:26 -38.3 Dark Down 11.5 63.2 Really Low 04:34:26 - 05:04:26 6488
Brewster 04:49:29 -38.3 Dark Down 11.2 63.0 Really Low 04:34:29 - 05:04:29 6476
Manson/Chelan 04:49:30 -38.2 Dark Down 10.9 62.8 Really Low 04:34:30 - 05:04:30 6474
Wenatchee 04:49:33 -38.3 Dark Down 10.6 62.6 Really Low 04:34:33 - 05:04:33 6447
Ellensburg 04:49:34 -38.4 Dark Down 10.3 62.4 Really Low 04:34:34 - 05:04:34 6426
Yakima 04:49:40 -38.6 Dark Down 10.1 62.3 Really Low 04:34:40 - 05:04:40 6398
Toppenish/White Swan 04:49:41 -38.8 Dark Down 10.1 62.4 Really Low 04:34:41 - 05:04:41 6377
The Dalles 04:49:43 -38.7 Dark Down 9.3 61.7 Really Low 04:34:43 - 05:04:43 6349
Maupin 04:49:48 -39.0 Dark Down 9.1 61.8 Really Low 04:34:48 - 05:04:48 6316
Sleaford 04:49:03 -42.6 Dark Down 20.9 73.8 Low 04:34:03 - 05:04:03 6314
PNWRO 04:49:47 -39.9 Dark Down 10.9 63.3 Really Low 04:34:47 - 05:04:47 6297
Sisters 04:49:53 -39.1 Dark Down 8.4 61.3 Really Low 04:34:53 - 05:04:53 6270
Bend 04:49:55 -39.4 Dark Down 8.5 61.5 Really Low 04:34:55 - 05:04:55 6244
Oregon Observatory 04:49:57 -39.4 Dark Down 8.3 61.4 Really Low 04:34:57 - 05:04:57 6236
Chiloquin 04:50:04 -39.7 Dark Down 7.4 61.0 Really Low 04:35:04 - 05:05:04 6154
Klamath Falls 04:50:07 -39.9 Dark Down 7.3 61.0 Really Low 04:35:07 - 05:05:07 6125
Fall River/Burney 04:50:15 -40.6 Dark Down 7.0 61.1 Really Low 04:35:15 - 05:05:15 6021
Cedarville 04:50:14 -41.3 Dark Down 8.1 61.9 Really Low 04:35:14 - 05:05:14 6011
Greenville 04:50:21 -41.3 Dark Down 6.9 61.3 Really Low 04:35:21 - 05:05:21 5934
Gimple 04:50:21 -41.4 Dark Down 7.0 61.4 Really Low 04:35:21 - 05:05:21 5931
Quincy 04:50:23 -41.4 Dark Down 6.8 61.3 Really Low 04:35:23 - 05:05:23 5918
Portola 04:50:24 -41.8 Dark Down 7.1 61.6 Really Low 04:35:24 - 05:05:24 5890
Reno 04:50:26 -42.4 Dark Down 7.4 61.9 Really Low 04:35:26 - 05:05:26 5843
Carson City 04:50:29 -42.6 Dark Down 7.3 61.9 Really Low 04:35:29 - 05:05:29 5814
Gardnerville 04:50:30 -42.7 Dark Down 7.2 61.9 Really Low 04:35:30 - 05:05:30 5792
Yerington 04:50:29 -43.1 Dark Down 7.6 62.3 Really Low 04:35:29 - 05:05:29 5773
Hawthorne 04:50:34 -43.7 Dark Down 7.8 62.5 Really Low 04:35:34 - 05:05:34 5714
Lee Vining 04:50:37 -43.6 Dark Down 7.2 62.2 Really Low 04:35:37 - 05:05:37 5689
Bishop 04:50:40 -44.3 Dark Down 7.4 62.5 Really Low 04:35:40 - 05:05:40 5610
Beatty 04:50:45 -45.7 Dark Down 8.4 63.4 Really Low 04:35:45 - 05:05:45 5505
Wildwood 04:50:57 -45.5 Dark Down 5.8 62.1 Really Low 04:35:57 - 05:05:57 5346
Dunrhomin 04:50:26 -51.5 Dark Down 18.0 70.5 Really Low 04:35:26 - 05:05:26 5339
Nikitin 04:50:27 -51.6 Dark Down 17.9 70.4 Really Low 04:35:27 - 05:05:27 5324
CU-SBO 04:50:28 -51.6 Dark Down 17.8 70.4 Really Low 04:35:28 - 05:05:28 5321
Laughlin/Bullhead City 04:50:56 -48.1 Dark Down 9.2 64.3 Really Low 04:35:56 - 05:05:56 5269
Patrick 04:50:55 -48.5 Dark Down 9.9 64.7 Really Low 04:35:55 - 05:05:55 5261
Idyllwild 04:51:02 -47.1 Dark Down 7.0 63.1 Really Low 04:36:02 - 05:06:02 5235
Lake Havasu City 04:50:59 -48.6 Dark Down 9.2 64.4 Really Low 04:35:59 - 05:05:59 5200
Calipatria 04:51:06 -48.2 Dark Down 7.7 63.6 Really Low 04:36:06 - 05:06:06 5132
Yuma 04:51:08 -49.1 Dark Down 8.2 64.0 Really Low 04:36:08 - 05:06:08 5056
George/Scottsdale 04:51:04 -50.8 Dark Down 10.7 65.5 Really Low 04:36:04 - 05:06:04 5029

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 119473, (2028/10/22 04:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 18.93 161
Alnath         05:26:17.6 +28:36:23  1.6  5.11 176
125 Tau        05:39:44.2 +25:53:49  5.2  1.59 178
PPM 094789     05:44:55.5 +26:20:33  7.7  0.41 177
PPM 094841     05:46:19.3 +26:04:17  9.5  0.17 177
PPM 094864     05:47:10.2 +26:06:16 11.6  0.17 177
119473         05:46:39.6 +26:13:39 16.6       177
Positions are for J2000

Event circumstances last updated at 2024/03/21 22:35:53 UT

Marc W. Buie, Southwest Research Institute

RECON