RECON: TNO occultation with 145451

Event between (145451) 05RM43 and star GA1160:01769070 with event index number of 2703793

Geocentric closest approach at 2029/01/25 06:40:30 UTC

J2000 position of star is 05:58:55.7 +26:45:13
Equinox of date position of star is 06:00:26.8 +26:45:14
Stellar brightness G=11.6, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 26 degrees from the moon. Moon is 73% illuminated.
Apparent brightness V=20.7

[RECON map]
Object is 40.3 AU from the Sun and 39.5 AU from the Earth.
Apparent velocity is 19.9 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is 1775 km.
The sky-plane scale is 28613.2 km/arcsec.

The object has an absolute magnitude Hv=4.6
Diameter=721.1 km assuming a 5% albedo -- 36.4 sec chord
Diameter=294.4 km assuming a 30% albedo -- 14.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 145451, (2029/01/25 06:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.8 +07:24:36  0.4 19.37  32
Alnath         05:28:07.9 +28:37:46  1.6  7.46  19
139 Tau        05:59:47.9 +25:57:17  4.7  0.83  26
PPM 095226     06:02:50.1 +27:34:16  6.0  0.94  27
PPM 095137     05:59:08.3 +26:51:17  9.0  0.37  26
PPM 095168     06:00:18.0 +26:48:38 10.7  0.11  26
145451         06:00:44.7 +26:45:13 11.6        27
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 34.6 km RECON observability=1.0 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:39:10 -56.0 Dark Up 56.6 231.9 Up 06:29:31 - 06:48:48 -4678
Kamloops 06:39:53 -53.2 Dark Up 63.6 210.7 Up 06:30:14 - 06:49:31 -5053
Kelowna 06:39:48 -54.1 Dark Up 64.0 213.2 Up 06:30:09 - 06:49:26 -5121
Peachland 06:39:49 -54.1 Dark Up 64.2 212.8 Up 06:30:10 - 06:49:27 -5136
Summerland 06:39:48 -54.3 Dark Up 64.3 213.1 Up 06:30:09 - 06:49:26 -5150
Penticton 06:39:47 -54.4 Dark Up 64.3 213.4 Up 06:30:09 - 06:49:26 -5155
Oliver 06:39:48 -54.6 Dark Up 64.6 213.8 Up 06:30:09 - 06:49:26 -5190
Anarchist Mountain Observatory 06:39:46 -54.8 Dark Up 64.6 214.4 Up 06:30:08 - 06:49:25 -5204
Okanogan 06:39:46 -55.2 Dark Up 65.3 214.7 Up 06:30:07 - 06:49:24 -5271
Brewster 06:39:46 -55.4 Dark Up 65.6 214.7 Up 06:30:08 - 06:49:25 -5302
Victoria 06:39:59 -53.4 Dark Up 66.4 206.9 Up 06:30:21 - 06:49:38 -5307
Manson/Chelan 06:39:47 -55.4 Dark Up 65.9 214.2 Up 06:30:09 - 06:49:26 -5328
Wenatchee 06:39:47 -55.6 Dark Up 66.3 214.5 Up 06:30:08 - 06:49:25 -5378
Ellensburg 06:39:47 -55.9 Dark Up 66.7 214.6 Up 06:30:09 - 06:49:26 -5423
Yakima 06:39:47 -56.1 Dark Up 67.1 215.1 Up 06:30:09 - 06:49:26 -5464
Toppenish/White Swan 06:39:46 -56.4 Dark Up 67.2 215.7 Up 06:30:08 - 06:49:25 -5484
PNWRO 06:39:40 -57.3 Dark Up 66.9 219.2 Up 06:30:01 - 06:49:18 -5499
The Dalles 06:39:48 -56.6 Dark Up 68.1 215.2 Up 06:30:09 - 06:49:26 -5575
Maupin 06:39:47 -56.9 Dark Up 68.4 216.0 Up 06:30:08 - 06:49:25 -5616
Sisters 06:39:48 -57.3 Dark Up 69.4 216.3 Up 06:30:09 - 06:49:26 -5714
Bend 06:39:46 -57.6 Dark Up 69.4 217.2 Up 06:30:08 - 06:49:25 -5735
Oregon Observatory 06:39:47 -57.6 Dark Up 69.6 217.2 Up 06:30:08 - 06:49:25 -5754
Dunrhomin 06:38:41 -67.4 Dark Up 62.0 250.3 Up 06:29:02 - 06:48:19 -5806
Nikitin 06:38:40 -67.5 Dark Up 62.1 250.6 Up 06:29:01 - 06:48:18 -5825
CU-SBO 06:38:40 -67.6 Dark Up 62.2 250.6 Up 06:29:01 - 06:48:18 -5834
Chiloquin 06:39:47 -58.3 Dark Up 70.9 218.5 Up 06:30:08 - 06:49:25 -5897
Klamath Falls 06:39:46 -58.5 Dark Up 71.1 219.3 Up 06:30:07 - 06:49:24 -5932
Cedarville 06:39:38 -59.9 Dark Up 70.8 224.2 Up 06:30:00 - 06:49:17 -5980
Fall River/Burney 06:39:43 -59.5 Dark Up 71.8 222.5 Up 06:30:04 - 06:49:21 -6050
Gimple 06:39:40 -60.4 Dark Up 72.2 225.6 Up 06:30:01 - 06:49:18 -6137
Greenville 06:39:41 -60.3 Dark Up 72.2 225.4 Up 06:30:02 - 06:49:19 -6138
Quincy 06:39:40 -60.4 Dark Up 72.4 225.9 Up 06:30:01 - 06:49:18 -6160
Portola 06:39:38 -60.8 Dark Up 72.2 227.3 Up 06:30:00 - 06:49:17 -6165
Reno 06:39:34 -61.4 Dark Up 72.0 229.3 Up 06:29:56 - 06:49:13 -6183
Carson City 06:39:34 -61.6 Dark Up 72.2 230.2 Up 06:29:55 - 06:49:12 -6220
Yerington 06:39:31 -62.1 Dark Up 72.0 232.0 Up 06:29:52 - 06:49:09 -6230
Gardnerville 06:39:33 -61.8 Dark Up 72.4 230.9 Up 06:29:55 - 06:49:12 -6245
Hawthorne 06:39:28 -62.7 Dark Up 71.9 234.2 Up 06:29:50 - 06:49:07 -6270
Lee Vining 06:39:30 -62.8 Dark Up 72.6 234.6 Up 06:29:51 - 06:49:08 -6338
Bishop 06:39:27 -63.6 Dark Up 72.4 237.6 Up 06:29:48 - 06:49:05 -6389
Beatty 06:39:19 -64.9 Dark Up 71.6 241.8 Up 06:29:40 - 06:48:57 -6407
Patrick 06:39:04 -67.6 Dark Up 70.1 250.1 Up 06:29:26 - 06:48:43 -6507
Laughlin/Bullhead City 06:39:07 -67.3 Dark Up 70.7 249.8 Up 06:29:29 - 06:48:46 -6548
Lake Havasu City 06:39:04 -67.9 Dark Up 70.7 251.9 Up 06:29:26 - 06:48:43 -6614
George/Scottsdale 06:38:54 -69.9 Dark Up 69.0 256.8 Up 06:29:16 - 06:48:33 -6642
Wildwood 06:39:22 -65.3 Dark Up 74.1 246.9 Up 06:29:43 - 06:49:00 -6741
Idyllwild 06:39:14 -66.8 Dark Up 72.8 250.9 Up 06:29:35 - 06:48:52 -6743
Calipatria 06:39:08 -67.9 Dark Up 72.1 254.3 Up 06:29:30 - 06:48:47 -6785
Yuma 06:39:04 -68.8 Dark Up 71.5 256.6 Up 06:29:25 - 06:48:42 -6812

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 145451, (2029/01/25 06:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 19.37  32
Alnath         05:26:17.6 +28:36:23  1.6  7.46  19
139 Tau        05:57:59.6 +25:57:14  4.7  0.83  26
PPM 095226     06:01:00.4 +27:34:21  6.0  0.94  27
PPM 095137     05:57:19.2 +26:51:12  9.0  0.37  26
PPM 095168     05:58:28.9 +26:48:36 10.7  0.11  26
145451         05:58:55.7 +26:45:13 11.6        26
Positions are for J2000

Event circumstances last updated at 2024/04/24 02:56:44 UT

Marc W. Buie, Southwest Research Institute

RECON