RECON: TNO occultation with 14YY49

Event between 14YY49 and star GA0900:02780764 with event index number of 230775

Geocentric closest approach at 2019/12/06 14:00:49 UTC

J2000 position of star is 07:26:40.2 +00:59:40
Equinox of date position of star is 07:27:37.3 +00:57:23
Stellar brightness G=15.5, use SENSEUP=128
Star is 101 degrees from the moon. Moon is 71% illuminated.
TNO apparent brightness V=23.1

[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 137 seconds.
The 1-sigma cross-track error in the shadow position is 748 km.
The sky-plane scale is 13547.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=58.3 km assuming a 5% albedo -- 3.3 sec chord
Diameter=23.8 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 -16:44:39 -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 21.8 km RECON observability=0.3 and success probability=0.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 13:56:23 -15.8 AT Down 23.8 240.7 Low 13:44:29 - 14:08:17 3734
Oroville 13:56:22 -15.5 AT Down 24.1 241.1 Low 13:44:28 - 14:08:16 3683
Tonasket 13:56:21 -15.5 AT Down 24.2 241.2 Low 13:44:27 - 14:08:15 3663
Okanogan 13:56:20 -15.5 AT Down 24.4 241.2 Low 13:44:26 - 14:08:14 3635
Brewster 13:56:19 -15.5 AT Down 24.7 241.1 Low 13:44:25 - 14:08:13 3614
Manson/Chelan 13:56:20 -15.7 AT Down 25.0 240.8 Low 13:44:26 - 14:08:14 3598
Entiat 13:56:20 -15.7 AT Down 25.2 240.9 Low 13:44:26 - 14:08:14 3580
Wenatchee 13:56:19 -15.7 AT Down 25.3 240.9 Low 13:44:25 - 14:08:13 3559
Ellensburg 13:56:19 -15.7 AT Down 25.7 240.8 Low 13:44:25 - 14:08:13 3525
Yakima 13:56:18 -15.6 AT Down 25.9 241.0 Low 13:44:24 - 14:08:12 3489
Toppenish/White Swan 13:56:17 -15.4 AT Down 25.9 241.2 Low 13:44:23 - 14:08:11 3469
Pasco 13:56:13 -14.6 AT Down 25.2 242.4 Low 13:44:19 - 14:08:07 3449
PNWRO 13:56:12 -14.4 AT Down 25.2 242.7 Low 13:44:18 - 14:08:06 3425
Goldendale 13:56:16 -15.6 AT Down 26.4 241.1 Low 13:44:22 - 14:08:10 3424
George/Umatilla 13:56:13 -14.6 AT Down 25.5 242.3 Low 13:44:19 - 14:08:07 3421
The Dalles 13:56:17 -15.8 AT Down 26.7 240.9 Low 13:44:23 - 14:08:11 3407
Maupin 13:56:16 -15.6 AT Down 26.9 241.1 Low 13:44:22 - 14:08:10 3369
Madras/Culver 13:56:14 -15.4 AT Down 27.2 241.4 Low 13:44:20 - 14:08:08 3320
Sisters 13:56:15 -15.7 AT Down 27.6 241.1 Low 13:44:21 - 14:08:09 3294
Redmond 13:56:13 -15.4 AT Down 27.4 241.5 Low 13:44:19 - 14:08:07 3289
Bend 13:56:13 -15.4 AT Down 27.6 241.4 Low 13:44:19 - 14:08:07 3270
Oregon Observatory 13:56:13 -15.5 AT Down 27.7 241.4 Low 13:44:19 - 14:08:07 3256
La Pine/Gilchrist 13:56:13 -15.4 AT Down 27.9 241.4 Low 13:44:19 - 14:08:07 3238
North Lake 13:56:10 -14.9 AT Down 27.7 242.2 Low 13:44:16 - 14:08:04 3193
Paisley 13:56:08 -14.5 AT Down 27.7 242.7 Low 13:44:14 - 14:08:02 3140
Chiloquin 13:56:12 -15.4 AT Down 28.6 241.7 Low 13:44:18 - 14:08:06 3139
Klamath Falls 13:56:10 -15.2 AT Down 28.8 241.9 Low 13:44:16 - 14:08:04 3107
Lakeview 13:56:06 -14.2 AT Down 27.8 243.1 Low 13:44:12 - 14:08:00 3092
Tulelake 13:56:09 -14.9 AT Down 28.7 242.3 Low 13:44:15 - 14:08:03 3080
Cedarville 13:56:04 -13.9 AT Down 28.0 243.6 Low 13:44:10 - 14:07:58 3029
Fall River/Burney 13:56:07 -14.6 AT Down 29.1 242.8 Low 13:44:13 - 14:08:01 2995
Susanville 13:56:03 -13.9 AT Down 28.8 243.7 Low 13:44:09 - 14:07:57 2929
Greenville 13:56:03 -14.0 AT Down 29.2 243.6 Low 13:44:09 - 14:07:57 2906
Gimple 13:56:03 -14.0 AT Down 29.1 243.7 Low 13:44:09 - 14:07:57 2905
Quincy 13:56:03 -14.0 AT Down 29.3 243.7 Low 13:44:09 - 14:07:57 2887
Portola 13:56:01 -13.6 AT Down 29.0 244.2 Low 13:44:07 - 14:07:55 2871
Reno 13:55:59 -13.0 AT Down 28.7 244.8 Low 13:44:05 - 14:07:53 2840
Carson City 13:55:58 -12.9 AT Down 28.8 245.0 Low 13:44:04 - 14:07:52 2806
Niwot 13:55:25 -3.0 CT Down 18.0 255.5 Really Low 13:43:31 - 14:07:19 2797
Gardnerville 13:55:57 -12.8 AT Down 28.9 245.2 Low 13:44:03 - 14:07:51 2782
Yerington 13:55:56 -12.4 AT Down 28.4 245.6 Low 13:44:02 - 14:07:50 2782
Hawthorne 13:55:53 -11.8 CT Down 28.3 246.2 Low 13:43:59 - 14:07:47 2733
Lee Vining 13:55:54 -12.0 AT Down 28.8 246.1 Low 13:44:00 - 14:07:48 2682
Tonopah 13:55:48 -10.7 CT Down 27.4 247.6 Low 13:43:54 - 14:07:42 2676
Bishop 13:55:50 -11.3 CT Down 28.6 247.0 Low 13:43:56 - 14:07:44 2618
Beatty 13:55:44 -9.9 CT Down 27.5 248.5 Low 13:43:50 - 14:07:38 2560
Lone Pine 13:55:47 -10.8 CT Down 28.6 247.6 Low 13:43:53 - 14:07:41 2541
Indian Springs 13:55:41 -9.0 CT Down 26.9 249.4 Low 13:43:47 - 14:07:35 2519
Henderson 13:55:38 -8.3 CT Down 26.5 250.2 Low 13:43:44 - 14:07:32 2461
CPSLO 13:55:53 -12.3 AT Down 31.0 246.3 Up 13:43:59 - 14:07:47 2436
Searchlight/Boulder City 13:55:36 -8.0 CT Down 26.7 250.5 Low 13:43:42 - 14:07:30 2404
Patrick 13:55:33 -7.2 CT Down 25.9 251.2 Low 13:43:39 - 14:07:27 2391
Laughlin/Bullhead City 13:55:35 -7.7 CT Down 26.5 250.9 Low 13:43:41 - 14:07:29 2372
Kingman/Dolan Springs 13:55:34 -7.3 CT Down 26.1 251.2 Low 13:43:40 - 14:07:28 2370
DCO 13:55:31 -6.6 CT Down 25.4 251.9 Low 13:43:37 - 14:07:25 2355
Mohave Valley 13:55:34 -7.6 CT Down 26.6 251.0 Low 13:43:40 - 14:07:28 2345
Lake Havasu City 13:55:33 -7.2 CT Down 26.5 251.4 Low 13:43:39 - 14:07:27 2303
Wildwood 13:55:44 -10.3 CT Down 30.0 248.5 Low 13:43:50 - 14:07:38 2298
Parker 13:55:32 -7.1 CT Down 26.6 251.5 Low 13:43:38 - 14:07:26 2267
Idyllwild 13:55:38 -8.8 CT Down 28.6 250.1 Low 13:43:44 - 14:07:32 2246
Blythe 13:55:32 -7.1 CT Down 27.0 251.6 Low 13:43:38 - 14:07:26 2217
Calipatria 13:55:34 -7.6 CT Down 27.9 251.2 Low 13:43:40 - 14:07:28 2175
Yuma 13:55:30 -6.8 CT Down 27.4 252.0 Low 13:43:36 - 14:07:24 2124

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         06:45:08.2 -16:43:20 -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 2018/06/12 07:52:50 UT

Marc W. Buie, Southwest Research Institute

RECON