RECON: TNO occultation with 19299

Event between (19299) 96SZ4 and star GA1160:01027656 with event index number of 1772426

Geocentric closest approach at 2024/01/06 03:01:03 UTC

J2000 position of star is 05:02:03.6 +27:06:05
Equinox of date position of star is 05:03:32.7 +27:08:03
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon. Moon is 31% illuminated.
Apparent brightness V=23.4

[RECON map]
Object is 30.3 AU from the Sun and 29.4 AU from the Earth.
Apparent velocity is 20.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 617 seconds.
The 1-sigma cross-track error in the shadow position is 2314 km.
The sky-plane scale is 21353.9 km/arcsec.

The object has an absolute magnitude Hv=8.5
Diameter=144.5 km assuming a 5% albedo -- 5.9 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 19299, (2024/01/06 03:01UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.1 +16:33:21  0.8 12.20 147
Alnath         05:27:48.7 +28:37:32  1.6  5.56 135
PPM 094057     05:07:22.7 +26:27:38  6.4  1.09 140
PPM 093975     05:02:48.2 +26:34:03  7.9  0.59 141
PPM 093984     05:03:15.8 +26:41:02  9.0  0.46 140
19299          05:03:33.3 +27:08:04 16.7       140
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 1.5 sigma about the mid-time.
The median site spacing is 29.4 km RECON observability=1.0 and success probability=24.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:03:00 -26.0 Dark Down 48.8 107.6 Up 02:48:00 - 03:18:00 478
Victoria 03:03:14 -23.9 Dark Down 47.4 102.4 Up 02:48:14 - 03:18:14 394
Kelowna 03:03:00 -26.5 Dark Down 49.5 107.6 Up 02:48:00 - 03:18:00 384
Peachland 03:03:02 -26.3 Dark Down 49.4 107.1 Up 02:48:02 - 03:18:02 384
Summerland 03:03:02 -26.4 Dark Down 49.5 107.1 Up 02:48:02 - 03:18:02 369
Penticton 03:03:02 -26.5 Dark Down 49.6 107.1 Up 02:48:02 - 03:18:02 360
Oliver 03:03:03 -26.4 Dark Down 49.7 106.7 Up 02:48:03 - 03:18:03 331
Anarchist Mountain Observatory 03:03:03 -26.5 Dark Down 49.9 106.7 Up 02:48:03 - 03:18:03 311
Sleaford 03:02:12 -34.9 Dark Down 56.1 125.5 Up 02:47:12 - 03:17:12 269
Okanogan 03:03:06 -26.3 Dark Down 49.9 105.8 Up 02:48:06 - 03:18:06 263
Brewster 03:03:07 -26.2 Dark Down 49.9 105.3 Up 02:48:07 - 03:18:07 246
Manson/Chelan 03:03:09 -25.9 Dark Down 49.7 104.7 Up 02:48:09 - 03:18:09 240
Wenatchee 03:03:11 -25.8 Dark Down 49.7 104.0 Up 02:48:11 - 03:18:11 205
Ellensburg 03:03:13 -25.6 Dark Down 49.6 103.3 Up 02:48:13 - 03:18:13 177
Yakima 03:03:14 -25.5 Dark Down 49.7 102.8 Up 02:48:14 - 03:18:14 142
Toppenish/White Swan 03:03:14 -25.6 Dark Down 49.9 102.8 Up 02:48:14 - 03:18:14 118
The Dalles 03:03:19 -25.0 Dark Down 49.5 101.2 Up 02:48:19 - 03:18:19 77
PNWRO 03:03:12 -26.6 Dark Down 51.0 103.7 Up 02:48:12 - 03:18:12 39
Maupin 03:03:20 -25.0 Dark Down 49.7 100.8 Up 02:48:20 - 03:18:20 37
Sisters 03:03:24 -24.6 Dark Down 49.5 99.4 Up 02:48:24 - 03:18:24 -22
Bend 03:03:24 -24.7 Dark Down 49.7 99.3 Up 02:48:24 - 03:18:24 -52
Oregon Observatory 03:03:25 -24.6 Dark Down 49.7 99.0 Up 02:48:25 - 03:18:25 -63
Chiloquin 03:03:30 -24.1 Dark Down 49.6 97.1 Up 02:48:30 - 03:18:30 -164
Klamath Falls 03:03:31 -24.1 Dark Down 49.7 96.8 Up 02:48:31 - 03:18:31 -197
Cedarville 03:03:29 -25.2 Dark Down 50.9 97.2 Up 02:48:29 - 03:18:29 -315
Fall River/Burney 03:03:34 -24.2 Dark Down 50.1 95.7 Up 02:48:34 - 03:18:34 -316
Greenville 03:03:35 -24.4 Dark Down 50.5 95.0 Up 02:48:35 - 03:18:35 -414
Gimple 03:03:35 -24.5 Dark Down 50.6 95.0 Up 02:48:35 - 03:18:35 -417
Quincy 03:03:36 -24.4 Dark Down 50.5 94.7 Up 02:48:36 - 03:18:36 -432
Portola 03:03:35 -24.7 Dark Down 50.9 94.9 Up 02:48:35 - 03:18:35 -461
Reno 03:03:34 -25.2 Dark Down 51.4 95.0 Up 02:48:34 - 03:18:34 -508
Carson City 03:03:35 -25.1 Dark Down 51.5 94.6 Up 02:48:35 - 03:18:35 -542
Gardnerville 03:03:36 -25.1 Dark Down 51.5 94.3 Up 02:48:36 - 03:18:36 -566
Yerington 03:03:34 -25.6 Dark Down 52.0 94.8 Up 02:48:34 - 03:18:34 -582
Hawthorne 03:03:34 -25.9 Dark Down 52.4 94.6 Up 02:48:34 - 03:18:34 -644
Lee Vining 03:03:37 -25.4 Dark Down 52.1 93.5 Up 02:48:37 - 03:18:37 -679
Bishop 03:03:36 -25.9 Dark Down 52.7 93.2 Up 02:48:36 - 03:18:36 -762
Beatty 03:03:33 -27.1 Dark Down 54.0 93.7 Up 02:48:33 - 03:18:33 -864
Dunrhomin 03:02:48 -36.3 Dark Down 62.1 108.9 Up 02:47:48 - 03:17:48 -913
Nikitin 03:02:48 -36.3 Dark Down 62.2 108.6 Up 02:47:48 - 03:17:48 -931
CU-SBO 03:02:49 -36.2 Dark Down 62.1 108.4 Up 02:47:49 - 03:17:49 -935
Wildwood 03:03:46 -25.2 Dark Down 52.6 88.9 Up 02:48:46 - 03:18:46 -1065
Laughlin/Bullhead City 03:03:31 -28.6 Dark Down 55.9 92.7 Up 02:48:31 - 03:18:31 -1108
Patrick 03:03:28 -29.2 Dark Down 56.4 93.5 Up 02:48:28 - 03:18:28 -1109
Idyllwild 03:03:41 -26.6 Dark Down 54.2 89.4 Up 02:48:41 - 03:18:41 -1169
Lake Havasu City 03:03:32 -28.7 Dark Down 56.1 91.8 Up 02:48:32 - 03:18:32 -1182
Calipatria 03:03:39 -27.5 Dark Down 55.2 89.2 Up 02:48:39 - 03:18:39 -1273
George/Scottsdale 03:03:26 -30.6 Dark Down 58.2 92.1 Up 02:48:26 - 03:18:26 -1345
Yuma 03:03:37 -28.2 Dark Down 55.9 89.0 Up 02:48:37 - 03:18:37 -1348

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 19299, (2024/01/06 03:01UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.20 147
Alnath         05:26:17.5 +28:36:23  1.6  5.56 135
PPM 094057     05:05:53.4 +26:25:47  6.4  1.09 140
PPM 093975     05:01:18.9 +26:32:03  7.9  0.59 141
PPM 093984     05:01:46.3 +26:39:03  9.0  0.46 140
19299          05:02:03.6 +27:06:05 16.7       140
Positions are for J2000

Event circumstances last updated at 2023/11/05 04:14:27 UT

Marc W. Buie, Southwest Research Institute

RECON