RECON: TNO occultation with 16SY56

Event between 16SY56 and star GA0940:00258564 with event index number of 2662463

Geocentric closest approach at 2022/11/17 05:30:40 UTC

J2000 position of star is 03:00:56.4 +04:03:41
Equinox of date position of star is 03:02:04.9 +04:08:47
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon. Moon is 44% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 38.7 AU from the Sun and 37.8 AU from the Earth.
The TNO is moving 24.6 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 434 seconds.
The 1-sigma cross-track error in the shadow position is 4876 km.
The sky-plane scale is 27399.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=164.4 km assuming a 5% albedo -- 8.3 sec chord
Diameter=67.1 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 16SY56, (2022/11/17 05:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.2 +16:33:12  0.8 26.42  83
Menkar         03:03:28.7 +04:10:41  2.5  0.34 109
93 Cet         03:03:34.6 +04:26:31  5.4  0.46 108
PPM 146162     03:03:02.9 +03:13:38  8.1  0.95 109
Menkar         03:03:28.7 +04:10:41  2.5  0.34 109
PPM 146123     03:00:53.5 +04:11:25 10.8  0.31 109
16SY56         03:02:08.3 +04:09:03 15.3       109
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 2.1 sigma about the mid-time.
The median site spacing is 18.8 km RECON observability=1.0 and success probability=7.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 05:31:11 -49.3 Dark Down 39.1 146.4 Up 05:16:11 - 05:46:11 -1989
Kelowna 05:31:12 -49.5 Dark Down 39.3 146.1 Up 05:16:12 - 05:46:12 -2013
Peachland 05:31:13 -49.4 Dark Down 39.3 145.7 Up 05:16:13 - 05:46:13 -2015
Summerland 05:31:13 -49.6 Dark Down 39.5 145.7 Up 05:16:13 - 05:46:13 -2027
Penticton 05:31:13 -49.7 Dark Down 39.6 145.8 Up 05:16:13 - 05:46:13 -2033
Victoria 05:31:25 -48.2 Dark Down 38.9 140.8 Up 05:16:25 - 05:46:25 -2041
Oliver 05:31:14 -49.9 Dark Down 39.9 145.7 Up 05:16:14 - 05:46:14 -2057
Anarchist Mountain Observatory 05:31:14 -50.1 Dark Down 40.1 145.8 Up 05:16:14 - 05:46:14 -2072
Tonasket 05:31:14 -50.2 Dark Down 40.3 145.6 Up 05:16:14 - 05:46:14 -2092
Okanogan 05:31:16 -50.4 Dark Down 40.5 145.2 Up 05:16:16 - 05:46:16 -2113
Brewster 05:31:17 -50.4 Dark Down 40.7 144.9 Up 05:16:17 - 05:46:17 -2129
Manson/Chelan 05:31:18 -50.3 Dark Down 40.7 144.3 Up 05:16:18 - 05:46:18 -2138
Wenatchee 05:31:19 -50.5 Dark Down 41.0 143.9 Up 05:16:19 - 05:46:19 -2168
Ellensburg 05:31:21 -50.6 Dark Down 41.3 143.4 Up 05:16:21 - 05:46:21 -2194
Yakima 05:31:22 -50.8 Dark Down 41.6 143.2 Up 05:16:22 - 05:46:22 -2223
Toppenish/White Swan 05:31:22 -51.1 Dark Down 41.8 143.3 Up 05:16:22 - 05:46:22 -2241
Pasco 05:31:19 -51.8 Dark Down 42.4 144.8 Up 05:16:19 - 05:46:19 -2272
Goldendale 05:31:24 -51.1 Dark Down 42.1 142.5 Up 05:16:24 - 05:46:24 -2274
The Dalles 05:31:26 -51.0 Dark Down 42.1 141.9 Up 05:16:26 - 05:46:26 -2285
PNWRO 05:31:18 -52.1 Dark Down 42.7 144.9 Up 05:16:18 - 05:46:18 -2293
Maupin 05:31:26 -51.3 Dark Down 42.5 141.8 Up 05:16:26 - 05:46:26 -2317
Sisters 05:31:30 -51.5 Dark Down 43.0 140.7 Up 05:16:30 - 05:46:30 -2373
Redmond 05:31:28 -51.7 Dark Down 43.2 141.2 Up 05:16:28 - 05:46:28 -2382
Bend 05:31:29 -51.7 Dark Down 43.3 140.9 Up 05:16:29 - 05:46:29 -2396
Oregon Observatory 05:31:30 -51.7 Dark Down 43.4 140.6 Up 05:16:30 - 05:46:30 -2406
La Pine/Gilchrist 05:31:31 -51.8 Dark Down 43.5 140.4 Up 05:16:31 - 05:46:31 -2421
North Lake 05:31:30 -52.4 Dark Down 44.1 140.9 Up 05:16:30 - 05:46:30 -2465
Chiloquin 05:31:34 -52.1 Dark Down 44.2 139.3 Up 05:16:34 - 05:46:34 -2499
Paisley 05:31:30 -52.9 Dark Down 44.7 141.0 Up 05:16:30 - 05:46:30 -2513
Klamath Falls 05:31:34 -52.3 Dark Down 44.5 139.2 Up 05:16:34 - 05:46:34 -2527
Lakeview 05:31:30 -53.3 Dark Down 45.2 140.9 Up 05:16:30 - 05:46:30 -2556
Cedarville 05:31:31 -53.7 Dark Down 45.8 140.7 Up 05:16:31 - 05:46:31 -2611
Fall River/Burney 05:31:36 -53.1 Dark Down 45.6 138.9 Up 05:16:36 - 05:46:36 -2627
Susanville 05:31:35 -53.9 Dark Down 46.4 139.4 Up 05:16:35 - 05:46:35 -2691
Greenville 05:31:36 -53.8 Dark Down 46.5 138.9 Up 05:16:36 - 05:46:36 -2707
Gimple 05:31:36 -53.9 Dark Down 46.5 139.0 Up 05:16:36 - 05:46:36 -2709
Quincy 05:31:37 -53.9 Dark Down 46.6 138.7 Up 05:16:37 - 05:46:37 -2724
Portola 05:31:36 -54.3 Dark Down 47.0 139.2 Up 05:16:36 - 05:46:36 -2743
Reno 05:31:34 -54.8 Dark Down 47.5 139.9 Up 05:16:34 - 05:46:34 -2777
Carson City 05:31:35 -55.0 Dark Down 47.8 139.6 Up 05:16:35 - 05:46:35 -2806
Gardnerville 05:31:35 -55.2 Dark Down 48.0 139.5 Up 05:16:35 - 05:46:35 -2827
Yerington 05:31:33 -55.5 Dark Down 48.2 140.3 Up 05:16:33 - 05:46:33 -2834
Hawthorne 05:31:33 -56.1 Dark Down 48.8 140.7 Up 05:16:33 - 05:46:33 -2883
Lee Vining 05:31:35 -56.0 Dark Down 49.0 139.6 Up 05:16:35 - 05:46:35 -2920
Tonopah 05:31:29 -57.3 Dark Down 49.9 142.2 Up 05:16:29 - 05:46:29 -2949
Bishop 05:31:34 -56.8 Dark Down 49.9 140.1 Up 05:16:34 - 05:46:34 -2985
Dunrhomin 05:30:47 -63.4 Dark Down 52.4 161.1 Up 05:15:47 - 05:45:47 -2993
Beatty 05:31:30 -58.2 Dark Down 51.0 142.0 Up 05:16:30 - 05:46:30 -3056
Indian Springs 05:31:27 -59.1 Dark Down 51.8 143.2 Up 05:16:27 - 05:46:27 -3106
CPSLO 05:31:45 -55.9 Dark Down 50.2 135.6 Up 05:16:45 - 05:46:45 -3117
Henderson 05:31:25 -59.8 Dark Down 52.6 143.8 Up 05:16:25 - 05:46:25 -3166
Patrick 05:31:23 -60.9 Dark Down 53.6 144.9 Up 05:16:23 - 05:46:23 -3243
Laughlin/Bullhead City 05:31:26 -60.5 Dark Down 53.5 143.7 Up 05:16:26 - 05:46:26 -3250
Kingman/Dolan Springs 05:31:24 -60.9 Dark Down 53.7 144.5 Up 05:16:24 - 05:46:24 -3258
Wildwood 05:31:41 -57.9 Dark Down 52.2 137.2 Up 05:16:41 - 05:46:41 -3264
Mohave Valley 05:31:26 -60.6 Dark Down 53.7 143.5 Up 05:16:26 - 05:46:26 -3275
Lake Havasu City 05:31:26 -61.0 Dark Down 54.1 143.5 Up 05:16:26 - 05:46:26 -3315
Idyllwild 05:31:35 -59.5 Dark Down 53.5 139.5 Up 05:16:35 - 05:46:35 -3333
Parker 05:31:26 -61.1 Dark Down 54.4 143.3 Up 05:16:26 - 05:46:26 -3347
Blythe 05:31:28 -61.1 Dark Down 54.7 142.4 Up 05:16:28 - 05:46:28 -3388
Calipatria 05:31:32 -60.6 Dark Down 54.6 140.6 Up 05:16:32 - 05:46:32 -3413
George/Scottsdale 05:31:19 -63.1 Dark Down 55.9 146.6 Up 05:16:19 - 05:46:19 -3435
Yuma 05:31:30 -61.5 Dark Down 55.4 141.5 Up 05:16:30 - 05:46:30 -3470

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 16SY56, (2022/11/17 05:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 26.42  83
Menkar         03:02:16.8 +04:05:21  2.5  0.34 109
93 Cet         03:02:22.5 +04:21:11  5.4  0.46 108
PPM 146162     03:01:51.3 +03:08:17  8.1  0.95 109
Menkar         03:02:16.8 +04:05:21  2.5  0.34 109
PPM 146123     02:59:41.6 +04:06:01 10.8  0.31 109
16SY56         03:00:56.4 +04:03:41 15.3       109
Positions are for J2000

Event circumstances last updated at 2021/10/15 01:16:35 UT

Marc W. Buie, Southwest Research Institute

RECON