RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA0960:17334913 with event index number of 2642839

Geocentric closest approach at 2022/10/09 03:28:49 UTC

J2000 position of star is 23:11:00.7 +06:35:49
Equinox of date position of star is 23:12:10.0 +06:43:15
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 21 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=20.6

[RECON map]
TNO is 13.3 AU from the Sun and 12.4 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 7.9 arcsec/hr.
The 1-sigma error in the time of the event is 25 seconds.
The 1-sigma cross-track error in the shadow position is 529 km.
The sky-plane scale is 9010.3 km/arcsec.

The TNO has an absolute magnitude Hv=9.3
Diameter=80.5 km assuming a 5% albedo -- 4.2 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2022/10/09 03:29UT)
Object            RA         Dec     mag  sep  mel
Markab         23:05:53.8 +15:19:41  2.5  8.74  26
59 Peg         23:12:53.2 +08:50:39  5.2  2.13  21
PPM 173813     23:11:15.9 +07:29:12  7.3  0.80  21
PPM 173852     23:13:20.5 +06:43:46  9.1  0.29  20
PPM 173832     23:12:11.1 +06:44:02 10.4  0.01  21
567122         23:12:10.0 +06:43:15 15.7        20
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 22.3 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)
Kamloops 03:29:54 -20.7 Dark Up 35.8 131.2 Up 03:27:21 - 03:32:27 3851
Kelowna 03:29:56 -21.4 Dark Up 36.8 131.7 Up 03:27:23 - 03:32:29 3783
Peachland 03:29:57 -21.3 Dark Up 36.8 131.3 Up 03:27:24 - 03:32:30 3782
Victoria 03:30:03 -19.3 Dark Up 35.7 126.8 Up 03:27:30 - 03:32:36 3777
Summerland 03:29:57 -21.4 Dark Up 36.9 131.3 Up 03:27:24 - 03:32:30 3770
Penticton 03:29:57 -21.5 Dark Up 37.0 131.4 Up 03:27:24 - 03:32:30 3764
Oliver 03:29:58 -21.6 Dark Up 37.2 131.2 Up 03:27:25 - 03:32:31 3741
Anarchist Mountain Observatory 03:29:58 -21.8 Dark Up 37.4 131.3 Up 03:27:25 - 03:32:31 3727
Tonasket 03:30:00 -21.8 Dark Up 37.6 131.1 Up 03:27:27 - 03:32:33 3708
Okanogan 03:30:01 -21.8 Dark Up 37.8 130.7 Up 03:27:28 - 03:32:34 3688
Brewster 03:30:03 -21.8 Dark Up 37.8 130.4 Up 03:27:30 - 03:32:36 3674
Sleaford 03:29:09 -28.3 Dark Up 40.5 148.4 Up 03:26:36 - 03:31:42 3669
Manson/Chelan 03:30:03 -21.6 Dark Up 37.8 129.8 Up 03:27:30 - 03:32:36 3668
Wenatchee 03:30:03 -21.6 Dark Up 38.0 129.4 Up 03:27:30 - 03:32:36 3640
Ellensburg 03:30:03 -21.5 Dark Up 38.1 128.9 Up 03:27:30 - 03:32:36 3618
Yakima 03:30:03 -21.6 Dark Up 38.4 128.6 Up 03:27:30 - 03:32:36 3592
Toppenish/White Swan 03:30:03 -21.8 Dark Up 38.6 128.7 Up 03:27:30 - 03:32:36 3574
Goldendale 03:30:03 -21.7 Dark Up 38.7 127.9 Up 03:27:30 - 03:32:36 3548
The Dalles 03:30:03 -21.5 Dark Up 38.7 127.3 Up 03:27:30 - 03:32:36 3542
PNWRO 03:30:03 -22.9 Dark Up 39.6 130.1 Up 03:27:30 - 03:32:36 3515
Maupin 03:30:03 -21.6 Dark Up 39.0 127.2 Up 03:27:30 - 03:32:36 3512
Sisters 03:30:21 -21.5 Dark Up 39.3 126.2 Up 03:27:48 - 03:32:54 3451
Bend 03:30:21 -21.8 Dark Up 39.5 126.3 Up 03:27:48 - 03:32:54 3429
Oregon Observatory 03:30:22 -21.7 Dark Up 39.6 126.0 Up 03:27:49 - 03:32:55 3419
North Lake 03:30:23 -22.3 Dark Up 40.3 126.2 Up 03:27:50 - 03:32:56 3361
Chiloquin 03:30:28 -21.7 Dark Up 40.1 124.7 Up 03:27:55 - 03:33:01 3332
Klamath Falls 03:30:29 -21.9 Dark Up 40.4 124.6 Up 03:27:56 - 03:33:02 3306
Lakeview 03:30:25 -22.9 Dark Up 41.2 126.0 Up 03:27:52 - 03:32:58 3271
Cedarville 03:30:26 -23.2 Dark Up 41.7 125.7 Up 03:27:53 - 03:32:59 3218
Fall River/Burney 03:30:32 -22.4 Dark Up 41.3 124.1 Up 03:27:59 - 03:33:05 3209
Susanville 03:30:31 -23.1 Dark Up 42.1 124.4 Up 03:27:58 - 03:33:04 3144
Greenville 03:30:33 -22.9 Dark Up 42.1 123.9 Up 03:28:00 - 03:33:06 3130
Gimple 03:30:33 -23.0 Dark Up 42.1 124.0 Up 03:28:00 - 03:33:06 3128
Quincy 03:30:34 -23.0 Dark Up 42.2 123.8 Up 03:28:01 - 03:33:07 3114
Portola 03:30:33 -23.3 Dark Up 42.5 124.2 Up 03:28:00 - 03:33:06 3094
Reno 03:30:32 -23.9 Dark Up 43.1 124.7 Up 03:27:59 - 03:33:05 3058
Carson City 03:30:33 -24.0 Dark Up 43.3 124.4 Up 03:28:00 - 03:33:06 3030
Gardnerville 03:30:33 -24.1 Dark Up 43.5 124.3 Up 03:28:00 - 03:33:06 3009
Yerington 03:30:31 -24.5 Dark Up 43.8 124.9 Up 03:27:58 - 03:33:04 2999
Hawthorne 03:30:31 -25.0 Dark Up 44.4 125.1 Up 03:27:58 - 03:33:04 2950
Lee Vining 03:30:34 -24.8 Dark Up 44.5 124.1 Up 03:28:01 - 03:33:07 2917
Tonopah 03:30:28 -26.2 Dark Up 45.6 126.2 Up 03:27:55 - 03:33:01 2880
Bishop 03:30:34 -25.4 Dark Up 45.3 124.4 Up 03:28:01 - 03:33:07 2851
Dunrhomin 03:29:38 -34.2 Dark Up 50.7 142.7 Up 03:27:05 - 03:32:11 2775
Beatty 03:30:29 -26.8 Dark Up 46.6 125.8 Up 03:27:56 - 03:33:02 2774
CU-SBO 03:29:39 -34.2 Dark Up 50.8 142.4 Up 03:27:06 - 03:32:12 2756
Indian Springs 03:30:27 -27.7 Dark Up 47.5 126.7 Up 03:27:54 - 03:33:00 2721
Henderson 03:30:26 -28.4 Dark Up 48.2 127.0 Up 03:27:53 - 03:32:59 2659
Wildwood 03:30:44 -26.0 Dark Up 46.9 121.4 Up 03:28:11 - 03:33:17 2584
Patrick 03:30:23 -29.4 Dark Up 49.3 127.7 Up 03:27:50 - 03:32:56 2579
Laughlin/Bullhead City 03:30:27 -28.9 Dark Up 49.0 126.7 Up 03:27:54 - 03:33:00 2576
Kingman/Dolan Springs 03:30:25 -29.3 Dark Up 49.3 127.3 Up 03:27:52 - 03:32:58 2565
Mohave Valley 03:30:27 -29.0 Dark Up 49.2 126.4 Up 03:27:54 - 03:33:00 2552
Lake Havasu City 03:30:27 -29.3 Dark Up 49.6 126.3 Up 03:27:54 - 03:33:00 2512
Idyllwild 03:30:39 -27.5 Dark Up 48.4 123.0 Up 03:28:06 - 03:33:12 2507
Parker 03:30:29 -29.4 Dark Up 49.8 126.0 Up 03:27:56 - 03:33:02 2481
Calipatria 03:30:36 -28.6 Dark Up 49.6 123.7 Up 03:28:03 - 03:33:09 2424
George/Scottsdale 03:30:21 -31.4 Dark Up 51.7 128.4 Up 03:27:48 - 03:32:54 2383
Yuma 03:30:34 -29.5 Dark Up 50.4 124.2 Up 03:28:01 - 03:33:07 2363

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 567122, (2022/10/09 03:29UT)
Object            RA         Dec     mag  sep  mel
Markab         23:04:45.8 +15:12:18  2.5  8.74  26
59 Peg         23:11:44.2 +08:43:12  5.2  2.13  21
PPM 173813     23:10:06.7 +07:21:46  7.3  0.80  21
PPM 173852     23:12:11.2 +06:36:19  9.1  0.29  20
PPM 173832     23:11:01.9 +06:36:36 10.4  0.01  21
567122         23:11:00.7 +06:35:49 15.7        21
Positions are for J2000

Event circumstances last updated at 2022/10/08 04:13:50 UT

Marc W. Buie, Southwest Research Institute

RECON