RECON: TNO occultation with 14YY49

Event between 14YY49 and star GA0900:02780764 with event index number of 321841

Geocentric closest approach at 2019/12/06 14:01:15 UTC

J2000 position of star is 07:26:40.2 +00:59:40
Equinox of date position of star is 07:27:40.4 +00:57:15
Stellar brightness G=15.5, use SENSEUP=128
Star is 101 degrees from the moon. Moon is 71% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 19.4 AU from the Sun and 18.7 AU from the Earth.
The TNO is moving 17.9 km/sec on the sky relative to the star, or, 4.8 arcsec/hr.
The 1-sigma error in the time of the event is 78 seconds.
The 1-sigma cross-track error in the shadow position is 711 km.
The sky-plane scale is 13547.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 3.1 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2019/12/06 14:01UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:46:01.6 -16:44:40 -1.5 20.46  91
Alhena         06:38:51.8 +16:22:50  1.9 19.56  89
PPM 152483     07:23:04.9 +00:08:17  5.8  1.41 100
PPM 152669     07:28:20.9 +01:24:40  7.9  0.49 101
PPM 152644     07:27:29.5 +00:55:07  9.7  0.06 101
14YY49         07:27:41.9 +00:57:12 15.5       102
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 20.2 km RECON observability=0.4 and success probability=0.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 13:57:26 -15.6 AT Down 23.4 241.0 Low 13:50:27 - 14:04:25 3537
Summerland 13:57:26 -15.7 AT Down 23.7 240.8 Low 13:50:27 - 14:04:25 3514
Penticton 13:57:25 -15.6 AT Down 23.7 241.0 Low 13:50:26 - 14:04:24 3508
Okanagan Falls 13:57:25 -15.6 AT Down 23.8 241.0 Low 13:50:26 - 14:04:24 3492
Oliver 13:57:24 -15.5 AT Down 23.9 241.1 Low 13:50:25 - 14:04:23 3478
Anarchist Mountain Observatory 13:57:23 -15.4 AT Down 23.8 241.3 Low 13:50:24 - 14:04:22 3462
Oroville 13:57:23 -15.4 AT Down 23.9 241.3 Low 13:50:24 - 14:04:22 3457
Tonasket 13:57:22 -15.3 AT Down 24.0 241.4 Low 13:50:23 - 14:04:21 3437
Okanogan 13:57:22 -15.3 AT Down 24.3 241.4 Low 13:50:23 - 14:04:21 3409
Brewster 13:57:22 -15.4 AT Down 24.5 241.3 Low 13:50:23 - 14:04:21 3387
Manson/Chelan 13:57:22 -15.5 AT Down 24.9 241.1 Low 13:50:23 - 14:04:21 3372
Entiat 13:57:22 -15.5 AT Down 25.0 241.1 Low 13:50:23 - 14:04:21 3354
Wenatchee 13:57:21 -15.5 AT Down 25.2 241.1 Low 13:50:22 - 14:04:20 3332
Ellensburg 13:57:20 -15.6 AT Down 25.5 241.1 Low 13:50:21 - 14:04:19 3298
Yakima 13:57:19 -15.4 AT Down 25.7 241.2 Low 13:50:20 - 14:04:18 3263
Toppenish/White Swan 13:57:18 -15.3 AT Down 25.7 241.5 Low 13:50:19 - 14:04:17 3243
Pasco 13:57:15 -14.4 AT Down 25.0 242.6 Low 13:50:16 - 14:04:14 3223
PNWRO 13:57:14 -14.2 AT Down 25.0 242.9 Low 13:50:15 - 14:04:13 3199
Goldendale 13:57:18 -15.4 AT Down 26.3 241.3 Low 13:50:19 - 14:04:17 3197
George/Umatilla 13:57:14 -14.5 AT Down 25.3 242.6 Low 13:50:15 - 14:04:13 3195
The Dalles 13:57:18 -15.6 AT Down 26.6 241.1 Low 13:50:19 - 14:04:17 3180
Maupin 13:57:17 -15.4 AT Down 26.7 241.4 Low 13:50:18 - 14:04:16 3142
Madras/Culver 13:57:16 -15.3 AT Down 27.0 241.6 Low 13:50:17 - 14:04:15 3094
Sisters 13:57:16 -15.5 AT Down 27.5 241.3 Low 13:50:17 - 14:04:15 3067
Redmond 13:57:15 -15.2 AT Down 27.2 241.7 Low 13:50:16 - 14:04:14 3062
Bend 13:57:15 -15.2 AT Down 27.4 241.7 Low 13:50:16 - 14:04:14 3044
Oregon Observatory 13:57:15 -15.3 AT Down 27.6 241.6 Low 13:50:16 - 14:04:14 3029
La Pine/Gilchrist 13:57:15 -15.3 AT Down 27.7 241.7 Low 13:50:16 - 14:04:14 3011
North Lake 13:57:12 -14.7 AT Down 27.5 242.4 Low 13:50:13 - 14:04:11 2967
Paisley 13:57:10 -14.3 AT Down 27.6 242.9 Low 13:50:11 - 14:04:09 2913
Chiloquin 13:57:13 -15.2 AT Down 28.5 241.9 Low 13:50:14 - 14:04:12 2913
Klamath Falls 13:57:12 -15.0 AT Down 28.6 242.1 Low 13:50:13 - 14:04:11 2881
Lakeview 13:57:08 -14.0 AT Down 27.7 243.3 Low 13:50:09 - 14:04:07 2865
Tulelake 13:57:10 -14.8 AT Down 28.5 242.5 Low 13:50:11 - 14:04:09 2853
Cedarville 13:57:06 -13.7 AT Down 27.9 243.8 Low 13:50:07 - 14:04:05 2803
Fall River/Burney 13:57:08 -14.4 AT Down 28.9 243.0 Low 13:50:09 - 14:04:07 2768
Susanville 13:57:05 -13.7 AT Down 28.7 243.9 Low 13:50:06 - 14:04:04 2703
Greenville 13:57:05 -13.8 AT Down 29.0 243.8 Low 13:50:06 - 14:04:04 2679
Gimple 13:57:04 -13.8 AT Down 28.9 243.9 Low 13:50:05 - 14:04:03 2678
Quincy 13:57:04 -13.8 AT Down 29.1 243.9 Low 13:50:05 - 14:04:03 2660
Portola 13:57:03 -13.4 AT Down 28.8 244.4 Low 13:50:04 - 14:04:02 2644
Reno 13:57:00 -12.8 AT Down 28.5 245.0 Low 13:50:01 - 14:03:59 2613
Carson City 13:56:59 -12.7 AT Down 28.6 245.2 Low 13:50:00 - 14:03:58 2579
Niwot 13:56:27 -2.8 CT Down 17.8 255.7 Really Low 13:49:28 - 14:03:26 2571
SwRI 13:56:27 -2.8 CT Down 17.9 255.7 Really Low 13:49:28 - 14:03:26 2561
Gardnerville 13:56:59 -12.6 AT Down 28.7 245.4 Low 13:50:00 - 14:03:58 2555
Yerington 13:56:57 -12.2 AT Down 28.3 245.8 Low 13:49:58 - 14:03:56 2555
Hawthorne 13:56:55 -11.7 NT Down 28.1 246.5 Low 13:49:56 - 14:03:54 2506
Lee Vining 13:56:55 -11.8 NT Down 28.7 246.3 Low 13:49:56 - 14:03:54 2456
Tonopah 13:56:50 -10.5 NT Down 27.2 247.8 Low 13:49:51 - 14:03:49 2450
Bishop 13:56:52 -11.1 NT Down 28.4 247.2 Low 13:49:53 - 14:03:51 2392
Beatty 13:56:46 -9.7 NT Down 27.4 248.7 Low 13:49:47 - 14:03:45 2333
Lone Pine 13:56:49 -10.6 NT Down 28.4 247.8 Low 13:49:50 - 14:03:48 2315
Indian Springs 13:56:42 -8.8 NT Down 26.7 249.6 Low 13:49:43 - 14:03:41 2293
Henderson 13:56:39 -8.1 NT Down 26.3 250.4 Low 13:49:40 - 14:03:38 2235
CPSLO 13:56:54 -12.1 AT Down 30.9 246.5 Up 13:49:55 - 14:03:53 2210
Searchlight/Boulder City 13:56:38 -7.9 NT Down 26.5 250.7 Low 13:49:39 - 14:03:37 2178
Patrick 13:56:35 -7.0 NT Down 25.7 251.4 Low 13:49:36 - 14:03:34 2165
Laughlin/Bullhead City 13:56:37 -7.5 NT Down 26.3 251.0 Low 13:49:38 - 14:03:36 2146
Kingman/Dolan Springs 13:56:35 -7.1 NT Down 25.9 251.4 Low 13:49:36 - 14:03:34 2144
DCO 13:56:33 -6.4 NT Down 25.2 252.1 Low 13:49:34 - 14:03:32 2129
Mohave Valley 13:56:36 -7.4 NT Down 26.4 251.2 Low 13:49:37 - 14:03:35 2118
Lake Havasu City 13:56:35 -7.0 NT Down 26.3 251.5 Low 13:49:36 - 14:03:34 2076
Wildwood 13:56:46 -10.1 NT Down 29.8 248.7 Low 13:49:47 - 14:03:45 2071
Parker 13:56:34 -6.9 NT Down 26.4 251.7 Low 13:49:35 - 14:03:33 2041
Idyllwild 13:56:40 -8.6 NT Down 28.4 250.2 Low 13:49:41 - 14:03:39 2019
Blythe 13:56:34 -6.9 NT Down 26.8 251.8 Low 13:49:35 - 14:03:33 1990
Calipatria 13:56:35 -7.4 NT Down 27.7 251.4 Low 13:49:36 - 14:03:34 1948
Yuma 13:56:32 -6.6 NT Down 27.2 252.2 Low 13:49:33 - 14:03:31 1897

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, (2019/12/06 14:01UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:45:08.1 -16:43:21 -1.5 20.46  91
Alhena         06:37:42.8 +16:23:57  1.9 19.56  89
PPM 152483     07:22:03.5 +00:10:37  5.8  1.41 100
PPM 152669     07:27:19.0 +01:27:09  7.9  0.49 101
PPM 152644     07:26:27.8 +00:57:35  9.7  0.06 101
14YY49         07:26:40.2 +00:59:40 15.5       101
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:57:33 UT

Marc W. Buie, Southwest Research Institute

RECON