RECON: TNO occultation with 523733

Event between (523733) 14PR70 and star GA1180:00758968 with event index number of 2307931

Geocentric closest approach at 2022/10/22 05:12:12 UTC

J2000 position of star is 04:16:10.9 +29:25:49
Equinox of date position of star is 04:17:34.1 +29:29:02
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 15.7 AU from the Sun and 14.9 AU from the Earth.
The TNO is moving 14.3 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 57 seconds.
The 1-sigma cross-track error in the shadow position is 563 km.
The sky-plane scale is 10816.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.4
Diameter=50.4 km assuming a 5% albedo -- 3.5 sec chord
Diameter=20.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 523733, (2022/10/22 05:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.9 +16:33:12  0.8 13.69 100
44Zet Per      03:55:34.3 +31:56:58  2.8  5.34 105
PPM 069410     04:27:33.7 +31:29:19  5.3  2.93  98
PPM 093364     04:16:36.5 +29:57:24  8.2  0.52 101
PPM 093379     04:17:44.6 +29:18:42 10.6  0.18 101
523733         04:17:36.5 +29:29:08 14.8       101
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 23.1 km RECON observability=1.0 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 05:16:52 -40.0 Dark Down 31.8 81.1 Up 05:11:36 - 05:22:07 5713
Victoria 05:17:08 -39.8 Dark Down 29.5 77.7 Low 05:11:52 - 05:22:23 5659
Peachland 05:16:57 -40.9 Dark Down 32.0 80.9 Up 05:11:41 - 05:22:12 5625
Kelowna 05:16:55 -41.0 Dark Down 32.3 81.2 Up 05:11:39 - 05:22:10 5623
Summerland 05:16:57 -41.1 Dark Down 32.1 80.9 Up 05:11:41 - 05:22:12 5610
Penticton 05:16:57 -41.2 Dark Down 32.1 80.9 Up 05:11:42 - 05:22:13 5601
Oliver 05:16:59 -41.4 Dark Down 32.1 80.7 Up 05:11:43 - 05:22:14 5575
Anarchist Mountain Observatory 05:17:00 -41.6 Dark Down 32.2 80.8 Up 05:11:45 - 05:22:16 5555
Tonasket 05:17:01 -41.8 Dark Down 32.1 80.5 Up 05:11:46 - 05:22:17 5534
Okanogan 05:17:04 -41.9 Dark Down 32.0 80.2 Up 05:11:48 - 05:22:19 5513
Brewster 05:17:06 -42.0 Dark Down 31.8 79.9 Up 05:11:50 - 05:22:21 5500
Manson/Chelan 05:17:07 -41.9 Dark Down 31.5 79.5 Up 05:11:51 - 05:22:22 5496
Wenatchee 05:17:10 -42.1 Dark Down 31.3 79.2 Up 05:11:54 - 05:22:25 5466
Ellensburg 05:17:13 -42.2 Dark Down 31.1 78.8 Up 05:11:57 - 05:22:28 5442
Yakima 05:17:15 -42.5 Dark Down 31.0 78.5 Up 05:11:59 - 05:22:30 5411
Toppenish/White Swan 05:17:16 -42.7 Dark Down 31.1 78.5 Up 05:12:00 - 05:22:31 5388
Sleaford 05:16:17 -44.9 Dark Down 40.8 92.9 Up 05:11:01 - 05:21:32 5371
Goldendale 05:17:19 -42.8 Dark Down 30.7 77.9 Up 05:12:04 - 05:22:35 5360
The Dalles 05:17:21 -42.7 Dark Down 30.4 77.6 Up 05:12:06 - 05:22:37 5356
Maupin 05:17:23 -43.0 Dark Down 30.4 77.4 Up 05:12:08 - 05:22:39 5319
PNWRO 05:17:16 -43.7 Dark Down 32.0 79.3 Up 05:12:00 - 05:22:31 5304
Sisters 05:17:28 -43.2 Dark Down 29.9 76.6 Low 05:12:13 - 05:22:44 5268
Bend 05:17:30 -43.5 Dark Down 30.0 76.6 Low 05:12:14 - 05:22:45 5239
Oregon Observatory 05:17:31 -43.5 Dark Down 29.9 76.5 Low 05:12:15 - 05:22:46 5230
North Lake 05:17:33 -44.2 Dark Down 30.1 76.4 Up 05:12:17 - 05:22:48 5158
Chiloquin 05:17:38 -44.0 Dark Down 29.3 75.5 Low 05:12:23 - 05:22:54 5140
Klamath Falls 05:17:40 -44.2 Dark Down 29.2 75.4 Low 05:12:24 - 05:22:55 5109
Lakeview 05:17:37 -45.1 Dark Down 30.3 76.2 Up 05:12:22 - 05:22:53 5050
Fall River/Burney 05:17:45 -45.1 Dark Down 29.2 75.0 Low 05:12:29 - 05:23:00 4997
Cedarville 05:17:41 -45.6 Dark Down 30.2 75.9 Up 05:12:25 - 05:22:56 4988
Susanville 05:17:47 -45.9 Dark Down 29.6 75.0 Low 05:12:31 - 05:23:02 4914
Greenville 05:17:48 -45.9 Dark Down 29.3 74.7 Low 05:12:33 - 05:23:04 4903
Gimple 05:17:48 -45.9 Dark Down 29.4 74.8 Low 05:12:33 - 05:23:04 4899
Quincy 05:17:49 -46.0 Dark Down 29.3 74.6 Low 05:12:34 - 05:23:05 4886
Portola 05:17:49 -46.4 Dark Down 29.6 74.8 Low 05:12:34 - 05:23:05 4856
Reno 05:17:49 -46.9 Dark Down 30.0 75.0 Up 05:12:34 - 05:23:05 4807
Carson City 05:17:51 -47.1 Dark Down 30.0 74.8 Low 05:12:36 - 05:23:07 4776
Gardnerville 05:17:52 -47.3 Dark Down 29.9 74.7 Low 05:12:37 - 05:23:08 4753
Yerington 05:17:51 -47.7 Dark Down 30.4 75.0 Up 05:12:35 - 05:23:06 4733
Hawthorne 05:17:52 -48.3 Dark Down 30.7 75.0 Up 05:12:36 - 05:23:07 4672
Lee Vining 05:17:55 -48.2 Dark Down 30.2 74.5 Up 05:12:40 - 05:23:11 4643
Tonopah 05:17:51 -49.4 Dark Down 31.6 75.5 Up 05:12:36 - 05:23:07 4574
Bishop 05:17:57 -49.0 Dark Down 30.6 74.5 Up 05:12:42 - 05:23:13 4561
Beatty 05:17:55 -50.4 Dark Down 31.7 75.0 Up 05:12:40 - 05:23:11 4452
Indian Springs 05:17:54 -51.3 Dark Down 32.4 75.3 Up 05:12:39 - 05:23:10 4379
Dunrhomin 05:17:11 -54.9 Dark Down 41.1 83.3 Up 05:11:56 - 05:22:27 4312
Henderson 05:17:55 -52.0 Dark Down 32.8 75.3 Up 05:12:40 - 05:23:11 4302
CU-SBO 05:17:13 -55.1 Dark Down 41.0 83.1 Up 05:11:57 - 05:22:28 4293
Wildwood 05:18:12 -50.5 Dark Down 29.5 72.6 Low 05:12:56 - 05:23:27 4278
Laughlin/Bullhead City 05:17:58 -52.8 Dark Down 33.0 75.0 Up 05:12:42 - 05:23:13 4206
Patrick 05:17:55 -53.1 Dark Down 33.6 75.4 Up 05:12:40 - 05:23:11 4199
Kingman/Dolan Springs 05:17:56 -53.1 Dark Down 33.4 75.2 Up 05:12:41 - 05:23:12 4187
Mohave Valley 05:17:59 -53.0 Dark Down 32.9 74.8 Up 05:12:43 - 05:23:14 4181
Idyllwild 05:18:08 -52.1 Dark Down 30.9 73.2 Up 05:12:53 - 05:23:24 4165
Lake Havasu City 05:18:00 -53.3 Dark Down 33.0 74.6 Up 05:12:44 - 05:23:15 4134
Parker 05:18:01 -53.6 Dark Down 32.9 74.4 Up 05:12:46 - 05:23:17 4100
Calipatria 05:18:09 -53.2 Dark Down 31.7 73.3 Up 05:12:53 - 05:23:24 4058
Yuma 05:18:08 -54.1 Dark Down 32.3 73.4 Up 05:12:52 - 05:23:23 3980
George/Scottsdale 05:17:57 -55.5 Dark Down 34.7 75.2 Up 05:12:41 - 05:23:12 3960

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 523733, (2022/10/22 05:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 13.69 100
44Zet Per      03:54:07.9 +31:53:01  2.8  5.34 105
PPM 069410     04:26:06.4 +31:26:18  5.3  2.93  98
PPM 093364     04:15:10.6 +29:54:04  8.2  0.52 101
PPM 093379     04:16:19.1 +29:15:24 10.6  0.18 101
523733         04:16:10.9 +29:25:49 14.8       101
Positions are for J2000

Event circumstances last updated at 2022/03/01 22:56:46 UT

Marc W. Buie, Southwest Research Institute

RECON