RECON: TNO occultation with 14YY49

Event between 14YY49 and star GA0900:03020555 with event index number of 322012

Geocentric closest approach at 2020/10/09 12:05:23 UTC

J2000 position of star is 07:44:45.1 +01:30:42
Equinox of date position of star is 07:45:47.8 +01:27:43
Stellar brightness G=16.7, use SENSEUP=128
Star is 27 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 20.1 AU from the Sun and 20.3 AU from the Earth.
The TNO is moving 14.8 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 89 seconds.
The 1-sigma cross-track error in the shadow position is 1342 km.
The sky-plane scale is 14715.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=55.2 km assuming a 5% albedo -- 4.1 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2020/10/09 12:05UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:46:03.8 -16:44:45 -1.5 23.43  41
Alhena         06:38:54.7 +16:22:47  1.9 22.23   8
13Zet CMi      07:52:46.6 +01:42:45  5.1  1.75  28
PPM 153176     07:43:54.8 +01:33:33  7.2  0.49  27
PPM 153217     07:45:07.9 +01:16:16  9.5  0.26  27
14YY49         07:45:49.6 +01:27:38 16.7        27
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 15.6 km RECON observability=1.0 and success probability=27.9%
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 11:59:30 -21.6 Dark Up 32.0 134.7 Up 11:51:34 - 12:07:26 236
Kelowna 11:59:30 -21.8 Dark Up 32.2 134.4 Up 11:51:34 - 12:07:26 196
Peachland 11:59:30 -22.0 Dark Up 32.2 134.0 Up 11:51:34 - 12:07:26 173
Summerland 11:59:30 -22.0 Dark Up 32.3 134.0 Up 11:51:34 - 12:07:26 164
Penticton 11:59:31 -22.0 Dark Up 32.4 134.1 Up 11:51:35 - 12:07:27 163
Oliver 11:59:31 -22.1 Dark Up 32.7 134.0 Up 11:51:35 - 12:07:27 132
Anarchist Mountain Observatory 11:59:32 -22.0 Dark Up 32.9 134.1 Up 11:51:36 - 12:07:28 126
Niwot 12:00:37 -13.2 AT Up 46.3 146.2 Up 11:52:41 - 12:08:33 115
SwRI 12:00:37 -13.3 AT Up 46.3 146.0 Up 11:52:41 - 12:08:33 101
Tonasket 11:59:32 -22.1 Dark Up 33.1 133.9 Up 11:51:36 - 12:07:28 96
Okanogan 11:59:32 -22.3 Dark Up 33.2 133.6 Up 11:51:36 - 12:07:28 59
Brewster 11:59:32 -22.5 Dark Up 33.3 133.2 Up 11:51:36 - 12:07:28 27
Manson/Chelan 11:59:32 -22.8 Dark Up 33.3 132.7 Up 11:51:36 - 12:07:28 -8
Entiat 11:59:32 -22.9 Dark Up 33.4 132.6 Up 11:51:36 - 12:07:28 -30
Wenatchee 11:59:32 -23.0 Dark Up 33.5 132.3 Up 11:51:36 - 12:07:28 -57
Victoria 11:59:22 -24.7 Dark Up 31.2 129.7 Up 11:51:26 - 12:07:18 -88
Ellensburg 11:59:32 -23.3 Dark Up 33.7 131.9 Up 11:51:36 - 12:07:28 -104
Pasco 11:59:37 -22.5 Dark Up 34.9 133.0 Up 11:51:41 - 12:07:33 -106
PNWRO 11:59:38 -22.4 Dark Up 35.2 133.2 Up 11:51:42 - 12:07:34 -117
Yakima 11:59:32 -23.4 Dark Up 33.9 131.7 Up 11:51:36 - 12:07:28 -141
Toppenish/White Swan 11:59:33 -23.4 Dark Up 34.2 131.8 Up 11:51:37 - 12:07:29 -153
Goldendale 11:59:33 -23.8 Dark Up 34.3 131.0 Up 11:51:37 - 12:07:29 -221
The Dalles 11:59:33 -24.1 Dark Up 34.3 130.5 Up 11:51:37 - 12:07:29 -258
Maupin 11:59:34 -24.2 Dark Up 34.6 130.4 Up 11:51:38 - 12:07:30 -290
Redmond 11:59:35 -24.5 Dark Up 35.1 129.9 Up 11:51:39 - 12:07:31 -376
Sisters 11:59:34 -24.7 Dark Up 34.9 129.5 Up 11:51:38 - 12:07:30 -392
Bend 11:59:35 -24.6 Dark Up 35.2 129.6 Up 11:51:39 - 12:07:31 -402
Oregon Observatory 11:59:35 -24.8 Dark Up 35.2 129.4 Up 11:51:39 - 12:07:31 -424
La Pine/Gilchrist 11:59:35 -24.9 Dark Up 35.3 129.2 Up 11:51:39 - 12:07:31 -445
North Lake 11:59:38 -24.5 Dark Up 35.9 129.6 Up 11:51:42 - 12:07:34 -456
Paisley 11:59:40 -24.4 Dark Up 36.5 129.7 Up 11:51:44 - 12:07:36 -489
Lakeview 11:59:42 -24.4 Dark Up 36.9 129.6 Up 11:51:46 - 12:07:38 -525
Cedarville 11:59:44 -24.4 Dark Up 37.5 129.4 Up 11:51:48 - 12:07:40 -576
Klamath Falls 11:59:38 -25.4 Dark Up 36.1 128.1 Up 11:51:42 - 12:07:34 -590
Fall River/Burney 11:59:41 -25.4 Dark Up 37.0 127.8 Up 11:51:45 - 12:07:37 -679
Susanville 11:59:46 -25.0 Dark Up 37.9 128.2 Up 11:51:50 - 12:07:42 -700
Tonopah 12:00:02 -22.8 Dark Up 41.5 130.4 Up 11:52:06 - 12:07:58 -734
Gimple 11:59:45 -25.2 Dark Up 37.9 127.8 Up 11:51:49 - 12:07:41 -735
Reno 11:59:50 -24.6 Dark Up 38.9 128.5 Up 11:51:54 - 12:07:46 -737
Greenville 11:59:45 -25.3 Dark Up 37.9 127.7 Up 11:51:49 - 12:07:41 -739
Portola 11:59:47 -25.0 Dark Up 38.4 128.0 Up 11:51:51 - 12:07:43 -745
Yerington 11:59:53 -24.2 Dark Up 39.7 128.9 Up 11:51:57 - 12:07:49 -753
Quincy 11:59:45 -25.4 Dark Up 38.0 127.6 Up 11:51:49 - 12:07:41 -757
DCO 12:00:25 -19.9 Dark Up 45.9 132.8 Up 11:52:29 - 12:08:21 -763
Hawthorne 11:59:56 -23.9 Dark Up 40.3 129.1 Up 11:52:00 - 12:07:52 -767
Carson City 11:59:51 -24.6 Dark Up 39.2 128.3 Up 11:51:55 - 12:07:47 -768
Patrick 12:00:22 -20.5 Dark Up 45.3 132.2 Up 11:52:26 - 12:08:18 -778
Indian Springs 12:00:12 -21.8 Dark Up 43.4 131.0 Up 11:52:16 - 12:08:08 -780
Henderson 12:00:16 -21.3 Dark Up 44.2 131.4 Up 11:52:20 - 12:08:12 -787
Gardnerville 11:59:51 -24.7 Dark Up 39.4 128.2 Up 11:51:55 - 12:07:47 -787
George/Scottsdale 12:00:34 -19.0 Dark Up 47.7 133.3 Up 11:52:38 - 12:08:30 -803
Kingman/Dolan Springs 12:00:22 -20.7 Dark Up 45.3 131.9 Up 11:52:26 - 12:08:18 -808
Beatty 12:00:07 -22.7 Dark Up 42.5 130.1 Up 11:52:11 - 12:08:03 -811
Searchlight/Boulder City 12:00:18 -21.4 Dark Up 44.6 131.1 Up 11:52:22 - 12:08:14 -834
Laughlin/Bullhead City 12:00:20 -21.1 Dark Up 45.0 131.3 Up 11:52:24 - 12:08:16 -839
Lee Vining 11:59:56 -24.4 Dark Up 40.4 128.3 Up 11:52:00 - 12:07:52 -843
Bishop 12:00:00 -23.9 Dark Up 41.2 128.6 Up 11:52:04 - 12:07:56 -858
Mohave Valley 12:00:21 -21.1 Dark Up 45.2 131.1 Up 11:52:25 - 12:08:17 -863
Lake Havasu City 12:00:23 -21.0 Dark Up 45.6 131.0 Up 11:52:27 - 12:08:19 -883
Parker 12:00:25 -21.0 Dark Up 45.9 130.8 Up 11:52:29 - 12:08:21 -911
Blythe 12:00:25 -21.3 Dark Up 46.0 130.1 Up 11:52:29 - 12:08:21 -974
Yuma 12:00:28 -21.4 Dark Up 46.6 129.3 Up 11:52:32 - 12:08:24 -1056
Calipatria 12:00:23 -22.1 Dark Up 45.7 128.6 Up 11:52:27 - 12:08:19 -1071
Idyllwild 12:00:17 -23.1 Dark Up 44.6 127.8 Up 11:52:21 - 12:08:13 -1086
Wildwood 12:00:09 -24.6 Dark Up 43.1 126.1 Up 11:52:13 - 12:08:05 -1160
CPSLO 11:59:59 -26.1 Dark Up 41.0 124.9 Up 11:52:03 - 12:07:55 -1163

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 14YY49, (2020/10/09 12:05UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:45:08.1 -16:43:22 -1.5 23.43  41
Alhena         06:37:42.8 +16:23:57  1.9 22.23   8
13Zet CMi      07:51:42.0 +01:46:01  5.1  1.75  28
PPM 153176     07:42:50.2 +01:36:34  7.2  0.49  27
PPM 153217     07:44:03.5 +01:19:20  9.5  0.26  27
14YY49         07:44:45.1 +01:30:42 16.7        27
Positions are for J2000

Event circumstances last updated at 2020/03/12 20:41:55 UT

Marc W. Buie, Southwest Research Institute

RECON