RECON: TNO occultation with 19299

Event between (19299) 96SZ4 and star GA1160:01380202 with event index number of 1772639

Geocentric closest approach at 2027/01/20 07:44:40 UTC

J2000 position of star is 05:33:13.3 +27:50:55
Equinox of date position of star is 05:34:37.6 +27:51:45
Stellar brightness G=14.0, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 5 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 30.8 AU from the Sun and 30.0 AU from the Earth.
The TNO is moving 18.8 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 1147 seconds.
The 1-sigma cross-track error in the shadow position is 5007 km.
The sky-plane scale is 21744.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 7.7 sec chord
Diameter=59.0 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 19299, (2027/01/20 07:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.6 +16:33:42  0.8 17.42  21
Alnath         05:28:00.3 +28:37:40  1.6  1.70   7
PPM 094572     05:38:50.4 +26:56:20  5.6  1.27   4
PPM 094505     05:36:21.4 +28:04:02  8.3  0.38   5
PPM 094504     05:36:20.6 +27:54:43  9.5  0.32   5
PPM 094478     05:35:03.9 +27:55:19 10.8  0.06   5
19299          05:34:55.5 +27:51:56 14.0         5
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 0.8 sigma about the mid-time.
The median site spacing is 29.7 km RECON observability=1.0 and success probability=9.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:41:54 -57.6 Dark Up 48.4 252.5 Up 07:26:54 - 07:56:54 6092
Kamloops 07:42:33 -58.9 Dark Up 57.1 238.1 Up 07:27:33 - 07:57:33 5753
Kelowna 07:42:29 -59.8 Dark Up 57.0 240.3 Up 07:27:29 - 07:57:29 5680
Peachland 07:42:30 -59.9 Dark Up 57.2 240.0 Up 07:27:30 - 07:57:30 5665
Summerland 07:42:29 -60.1 Dark Up 57.3 240.3 Up 07:27:29 - 07:57:29 5651
Penticton 07:42:29 -60.1 Dark Up 57.2 240.6 Up 07:27:29 - 07:57:29 5646
Oliver 07:42:28 -60.5 Dark Up 57.4 241.1 Up 07:27:28 - 07:57:28 5610
Anarchist Mountain Observatory 07:42:27 -60.7 Dark Up 57.4 241.5 Up 07:27:27 - 07:57:27 5595
Tonasket 07:42:27 -61.0 Dark Up 57.6 241.9 Up 07:27:27 - 07:57:27 5562
Okanogan 07:42:27 -61.3 Dark Up 57.8 242.1 Up 07:27:27 - 07:57:27 5526
Victoria 07:42:40 -60.4 Dark Up 59.9 237.0 Up 07:27:40 - 07:57:40 5503
Brewster 07:42:27 -61.5 Dark Up 58.1 242.3 Up 07:27:27 - 07:57:27 5496
Manson/Chelan 07:42:28 -61.6 Dark Up 58.4 242.1 Up 07:27:28 - 07:57:28 5470
Wenatchee 07:42:27 -62.1 Dark Up 58.7 242.6 Up 07:27:27 - 07:57:27 5419
Ellensburg 07:42:28 -62.4 Dark Up 59.0 242.9 Up 07:27:28 - 07:57:28 5374
Yakima 07:42:27 -62.8 Dark Up 59.2 243.5 Up 07:27:27 - 07:57:27 5332
Toppenish/White Swan 07:42:26 -63.1 Dark Up 59.2 244.0 Up 07:27:26 - 07:57:26 5311
PNWRO 07:42:20 -63.7 Dark Up 58.4 246.4 Up 07:27:20 - 07:57:20 5290
Goldendale 07:42:27 -63.5 Dark Up 59.7 244.4 Up 07:27:27 - 07:57:27 5249
The Dalles 07:42:28 -63.6 Dark Up 60.0 244.3 Up 07:27:28 - 07:57:28 5221
Maupin 07:42:27 -64.1 Dark Up 60.1 245.0 Up 07:27:27 - 07:57:27 5179
Sisters 07:42:27 -64.8 Dark Up 60.8 245.9 Up 07:27:27 - 07:57:27 5081
Bend 07:42:26 -65.1 Dark Up 60.8 246.6 Up 07:27:26 - 07:57:26 5059
Oregon Observatory 07:42:26 -65.2 Dark Up 60.9 246.7 Up 07:27:26 - 07:57:26 5039
North Lake 07:42:23 -65.9 Dark Up 60.8 248.4 Up 07:27:23 - 07:57:23 4977
Dunrhomin 07:41:22 -68.9 Dark Up 50.2 266.6 Up 07:26:22 - 07:56:22 4925
CU-SBO 07:41:22 -69.2 Dark Up 50.2 266.8 Up 07:26:22 - 07:56:22 4897
Chiloquin 07:42:26 -66.3 Dark Up 61.7 248.4 Up 07:27:26 - 07:57:26 4895
Lakeview 07:42:20 -67.1 Dark Up 60.8 250.8 Up 07:27:20 - 07:57:20 4871
Klamath Falls 07:42:25 -66.7 Dark Up 61.8 249.1 Up 07:27:25 - 07:57:25 4859
Cedarville 07:42:18 -67.7 Dark Up 60.9 252.1 Up 07:27:18 - 07:57:18 4804
Fall River/Burney 07:42:22 -67.9 Dark Up 61.9 251.6 Up 07:27:22 - 07:57:22 4738
Susanville 07:42:19 -68.7 Dark Up 61.6 253.5 Up 07:27:19 - 07:57:19 4679
Gimple 07:42:19 -68.9 Dark Up 61.8 253.8 Up 07:27:19 - 07:57:19 4646
Greenville 07:42:19 -68.8 Dark Up 61.9 253.7 Up 07:27:19 - 07:57:19 4646
Quincy 07:42:19 -69.0 Dark Up 61.9 254.0 Up 07:27:19 - 07:57:19 4624
Portola 07:42:17 -69.3 Dark Up 61.6 254.8 Up 07:27:17 - 07:57:17 4616
Reno 07:42:14 -69.7 Dark Up 61.2 255.9 Up 07:27:14 - 07:57:14 4596
Carson City 07:42:13 -70.0 Dark Up 61.3 256.5 Up 07:27:13 - 07:57:13 4558
Yerington 07:42:11 -70.4 Dark Up 60.8 257.4 Up 07:27:11 - 07:57:11 4545
Gardnerville 07:42:13 -70.3 Dark Up 61.3 257.0 Up 07:27:13 - 07:57:13 4532
Hawthorne 07:42:08 -70.9 Dark Up 60.5 258.7 Up 07:27:08 - 07:57:08 4502
Tonopah 07:42:02 -71.7 Dark Up 59.5 260.7 Up 07:27:02 - 07:57:02 4472
Lee Vining 07:42:09 -71.4 Dark Up 61.0 259.3 Up 07:27:09 - 07:57:09 4435
Bishop 07:42:05 -72.1 Dark Up 60.6 261.0 Up 07:27:05 - 07:57:05 4380
Beatty 07:41:59 -72.9 Dark Up 59.4 263.0 Up 07:26:59 - 07:56:59 4354
Indian Springs 07:41:54 -73.4 Dark Up 58.6 264.4 Up 07:26:54 - 07:56:54 4336
Henderson 07:41:50 -74.0 Dark Up 58.1 265.7 Up 07:26:50 - 07:56:50 4290
Patrick 07:41:45 -74.7 Dark Up 57.2 267.4 Up 07:26:45 - 07:56:45 4242
Kingman/Dolan Springs 07:41:45 -74.9 Dark Up 57.4 267.6 Up 07:26:45 - 07:56:45 4214
Laughlin/Bullhead City 07:41:47 -74.9 Dark Up 57.8 267.3 Up 07:26:47 - 07:56:47 4203
Mohave Valley 07:41:47 -75.2 Dark Up 57.8 267.8 Up 07:26:47 - 07:56:47 4174
Lake Havasu City 07:41:45 -75.6 Dark Up 57.6 268.6 Up 07:26:45 - 07:56:45 4135
Parker 07:41:45 -75.9 Dark Up 57.6 269.1 Up 07:26:45 - 07:56:45 4097
George/Scottsdale 07:41:34 -76.4 Dark Up 55.6 271.1 Up 07:26:34 - 07:56:34 4096
Wildwood 07:42:02 -75.1 Dark Up 61.1 266.6 Up 07:27:02 - 07:57:02 4023
Idyllwild 07:41:54 -76.0 Dark Up 59.6 268.4 Up 07:26:54 - 07:56:54 4013
Calipatria 07:41:48 -76.8 Dark Up 58.6 270.1 Up 07:26:48 - 07:56:48 3966
Yuma 07:41:44 -77.3 Dark Up 57.9 271.2 Up 07:26:44 - 07:56:44 3935

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, (2027/01/20 07:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 17.42  21
Alnath         05:26:17.6 +28:36:23  1.6  1.70   7
PPM 094572     05:37:08.9 +26:55:28  5.6  1.27   4
PPM 094505     05:34:39.1 +28:03:04  8.3  0.38   5
PPM 094504     05:34:38.4 +27:53:45  9.5  0.32   5
PPM 094478     05:33:21.7 +27:54:18 10.8  0.06   5
19299          05:33:13.3 +27:50:55 14.0         5
Positions are for J2000

Event circumstances last updated at 2022/04/27 23:02:20 UT

Marc W. Buie, Southwest Research Institute

RECON