RECON: TNO occultation with 19299

Event between (19299) 96SZ4 and star GA1160:01050047 with event index number of 1772419

Geocentric closest approach at 2023/12/16 01:19:25 UTC

J2000 position of star is 05:04:28.5 +27:09:51
Equinox of date position of star is 05:05:57.7 +27:11:45
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 133 degrees from the moon. Moon is 12% illuminated.
Apparent brightness V=23.3

[RECON map]
Object is 30.3 AU from the Sun and 29.3 AU from the Earth.
Apparent velocity is 24.1 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 565 seconds.
The 1-sigma cross-track error in the shadow position is 2440 km.
The sky-plane scale is 21271.0 km/arcsec.

The object has an absolute magnitude Hv=8.5
Diameter=144.5 km assuming a 5% albedo -- 5.1 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 19299, (2023/12/16 01:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.9 +16:33:20  0.8 12.54 124
Alnath         05:27:48.5 +28:37:32  1.6  5.03 138
PPM 094057     05:07:22.5 +26:27:38  6.4  0.80 134
PPM 094040     05:06:19.5 +26:45:07  7.4  0.45 133
PPM 094041     05:06:19.7 +26:54:53  9.3  0.29 133
PPM 094028     05:05:51.3 +27:09:15 10.7  0.05 133
19299          05:05:58.1 +27:11:45 16.2       134
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 1.6 sigma about the mid-time.
The median site spacing is 13.3 km RECON observability=0.1 and success probability=6.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 01:21:55 -12.6 AT Up 19.7 70.9 Really Low 01:06:55 - 01:36:55 3849
Victoria 01:22:03 -9.9 NT Up 17.2 68.1 Really Low 01:07:03 - 01:37:03 3831
Peachland 01:21:59 -12.6 AT Up 19.8 71.0 Really Low 01:06:59 - 01:36:59 3779
Kelowna 01:21:59 -12.8 AT Up 20.0 71.2 Low 01:06:59 - 01:36:59 3776
Summerland 01:22:00 -12.6 AT Up 19.8 71.0 Really Low 01:07:00 - 01:37:00 3768
Penticton 01:22:00 -12.7 AT Up 19.9 71.1 Really Low 01:07:00 - 01:37:00 3760
Oliver 01:22:01 -12.5 AT Up 19.8 71.0 Really Low 01:07:01 - 01:37:01 3741
Anarchist Mountain Observatory 01:22:02 -12.6 AT Up 19.8 71.0 Really Low 01:07:02 - 01:37:02 3725
Okanogan 01:22:05 -12.2 AT Up 19.5 70.7 Really Low 01:07:05 - 01:37:05 3695
Manson/Chelan 01:22:06 -11.7 NT Up 19.0 70.1 Really Low 01:07:06 - 01:37:06 3687
Brewster 01:22:05 -12.0 AT Up 19.3 70.5 Really Low 01:07:05 - 01:37:05 3686
Wenatchee 01:22:08 -11.4 NT Up 18.7 69.9 Really Low 01:07:08 - 01:37:08 3665
Ellensburg 01:22:09 -11.1 NT Up 18.4 69.6 Really Low 01:07:09 - 01:37:09 3649
Yakima 01:22:10 -11.0 NT Up 18.3 69.5 Really Low 01:07:10 - 01:37:10 3625
Toppenish/White Swan 01:22:11 -11.0 NT Up 18.3 69.5 Really Low 01:07:11 - 01:37:11 3606
The Dalles 01:22:14 -10.2 NT Up 17.5 68.8 Really Low 01:07:14 - 01:37:14 3587
Maupin 01:22:16 -10.1 NT Up 17.4 68.7 Really Low 01:07:16 - 01:37:16 3558
PNWRO 01:22:13 -11.8 NT Up 19.2 70.4 Really Low 01:07:13 - 01:37:13 3532
Sisters 01:22:18 -9.4 NT Up 16.8 68.2 Really Low 01:07:18 - 01:37:18 3522
Bend 01:22:19 -9.5 NT Up 16.9 68.3 Really Low 01:07:19 - 01:37:19 3498
Oregon Observatory 01:22:20 -9.4 NT Up 16.7 68.1 Really Low 01:07:20 - 01:37:20 3492
Sleaford 01:21:48 -21.6 Dark Up 28.8 81.8 Low 01:06:48 - 01:36:48 3467
Chiloquin 01:22:24 -8.6 NT Up 16.0 67.5 Really Low 01:07:24 - 01:37:24 3424
Klamath Falls 01:22:26 -8.5 NT Up 15.9 67.5 Really Low 01:07:26 - 01:37:26 3399
Fall River/Burney 01:22:29 -8.3 NT Up 15.7 67.4 Really Low 01:07:29 - 01:37:29 3308
Cedarville 01:22:28 -9.3 NT Up 16.8 68.3 Really Low 01:07:28 - 01:37:28 3294
Greenville 01:22:33 -8.3 NT Up 15.7 67.5 Really Low 01:07:33 - 01:37:33 3230
Gimple 01:22:33 -8.3 NT Up 15.8 67.5 Really Low 01:07:33 - 01:37:33 3227
Quincy 01:22:34 -8.2 NT Up 15.6 67.4 Really Low 01:07:34 - 01:37:34 3216
Portola 01:22:34 -8.5 NT Up 15.9 67.6 Really Low 01:07:34 - 01:37:34 3189
Reno 01:22:35 -8.8 NT Up 16.3 67.9 Really Low 01:07:35 - 01:37:35 3146
Carson City 01:22:36 -8.7 NT Up 16.2 67.9 Really Low 01:07:36 - 01:37:36 3120
Gardnerville 01:22:37 -8.6 NT Up 16.1 67.8 Really Low 01:07:37 - 01:37:37 3101
Yerington 01:22:37 -9.1 NT Up 16.6 68.2 Really Low 01:07:37 - 01:37:37 3081
Hawthorne 01:22:38 -9.3 NT Up 16.8 68.3 Really Low 01:07:38 - 01:37:38 3028
Lee Vining 01:22:40 -8.7 NT Up 16.2 67.9 Really Low 01:07:40 - 01:37:40 3007
Bishop 01:22:42 -9.0 NT Up 16.5 68.1 Really Low 01:07:42 - 01:37:42 2935
Beatty 01:22:43 -10.1 NT Up 17.6 68.8 Really Low 01:07:43 - 01:37:43 2834
Wildwood 01:22:51 -7.6 NT Up 15.2 67.2 Really Low 01:07:51 - 01:37:51 2700
Dunrhomin 01:22:29 -19.7 Dark Up 27.2 76.2 Low 01:07:29 - 01:37:29 2620
Laughlin/Bullhead City 01:22:48 -11.1 NT Up 18.6 69.4 Really Low 01:07:48 - 01:37:48 2613
Nikitin 01:22:30 -19.6 Dark Up 27.1 76.1 Low 01:07:30 - 01:37:30 2606
CU-SBO 01:22:30 -19.5 Dark Up 27.0 76.1 Low 01:07:30 - 01:37:30 2605
Patrick 01:22:48 -11.7 NT Up 19.3 69.8 Really Low 01:07:48 - 01:37:48 2602
Idyllwild 01:22:53 -9.0 NT Up 16.5 68.0 Really Low 01:07:53 - 01:37:53 2593
Lake Havasu City 01:22:51 -11.1 NT Up 18.6 69.3 Really Low 01:07:51 - 01:37:51 2550
Calipatria 01:22:55 -9.7 NT Up 17.2 68.4 Really Low 01:07:55 - 01:37:55 2494
Yuma 01:22:56 -10.2 NT Up 17.7 68.6 Really Low 01:07:56 - 01:37:56 2421
George/Scottsdale 01:22:52 -12.7 AT Up 20.2 70.2 Low 01:07:52 - 01:37:52 2384

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, (2023/12/16 01:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.54 124
Alnath         05:26:17.5 +28:36:23  1.6  5.03 138
PPM 094057     05:05:53.4 +26:25:47  6.4  0.80 134
PPM 094040     05:04:50.1 +26:43:14  7.4  0.45 133
PPM 094041     05:04:50.3 +26:53:00  9.3  0.29 133
PPM 094028     05:04:21.7 +27:07:21 10.7  0.05 133
19299          05:04:28.5 +27:09:51 16.2       133
Positions are for J2000

Event circumstances last updated at 2023/11/05 04:13:12 UT

Marc W. Buie, Southwest Research Institute

RECON