RECON: TNO occultation with 14YY49

Event between 14YY49 and star UC4-458-024942 with event index number of 142046

Geocentric closest approach at 2017/11/24 05:23:44 UTC

J2000 position of star is 06:50:09.5 +01:35:42
Equinox of date position of star is 06:51:03.6 +01:34:26
Stellar brightness R=16.4, use SENSEUP=128
Star is 151 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 17.7 AU from the Sun and 17.0 AU from the Earth.
The TNO is moving 16.9 km/sec on the sky relative to the star, or, 4.9 arcsec/hr.
The 1-sigma error in the time of the event is 95 seconds.
The 1-sigma cross-track error in the shadow position is 791 km.
The sky-plane scale is 12312.8 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=58.3 km assuming a 5% albedo -- 3.4 sec chord
Diameter=23.8 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2017/11/24 05:24UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:08.5 +07:24:32  0.4 14.88 142
Alhena         06:38:44.7 +16:22:57  1.9 15.12 154
PPM 151313     06:49:59.1 +00:58:50  5.9  0.65 151
PPM 151375     06:51:57.1 +01:50:05  8.5  0.34 152
PPM 151339     06:50:48.0 +01:43:24  9.3  0.17 151
14YY49         06:51:05.2 +01:34:23 16.4       151
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 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 05:26:05 -50.5 Dark Down 9.7 98.8 Really Low 05:17:38 - 05:34:31 5599
Tonasket 05:26:07 -50.6 Dark Down 9.7 98.7 Really Low 05:17:40 - 05:34:33 5588
Okanogan 05:26:08 -50.7 Dark Down 9.7 98.6 Really Low 05:17:41 - 05:34:34 5574
Brewster 05:26:11 -50.8 Dark Down 9.6 98.4 Really Low 05:17:44 - 05:34:37 5564
Manson/Chelan 05:26:11 -50.7 Dark Down 9.4 98.1 Really Low 05:17:45 - 05:34:38 5557
Entiat 05:26:12 -50.7 Dark Down 9.3 98.0 Really Low 05:17:45 - 05:34:38 5547
Wenatchee 05:26:14 -50.8 Dark Down 9.3 97.9 Really Low 05:17:48 - 05:34:41 5536
Ellensburg 05:26:16 -50.9 Dark Down 9.2 97.6 Really Low 05:17:50 - 05:34:43 5518
Yakima 05:26:18 -51.1 Dark Down 9.3 97.6 Really Low 05:17:52 - 05:34:45 5499
Toppenish/White Swan 05:26:20 -51.3 Dark Down 9.4 97.7 Really Low 05:17:54 - 05:34:47 5487
Pasco 05:26:19 -52.1 Dark Down 10.3 98.6 Really Low 05:17:53 - 05:34:46 5472
Goldendale 05:26:24 -51.3 Dark Down 9.2 97.3 Really Low 05:17:57 - 05:34:50 5464
PNWRO 05:26:21 -52.4 Dark Down 10.5 98.7 Really Low 05:17:55 - 05:34:48 5458
George/Umatilla 05:26:22 -52.2 Dark Down 10.2 98.4 Really Low 05:17:56 - 05:34:49 5457
The Dalles 05:26:25 -51.2 Dark Down 9.0 97.0 Really Low 05:17:59 - 05:34:52 5455
Maupin 05:26:28 -51.5 Dark Down 9.1 97.0 Really Low 05:18:02 - 05:34:55 5433
Madras/Culver 05:26:31 -51.7 Dark Down 9.2 96.9 Really Low 05:18:05 - 05:34:58 5406
Sisters 05:26:33 -51.6 Dark Down 8.9 96.5 Really Low 05:18:07 - 05:35:00 5392
Redmond 05:26:33 -51.8 Dark Down 9.2 96.8 Really Low 05:18:06 - 05:34:59 5388
Bend 05:26:35 -51.9 Dark Down 9.1 96.7 Really Low 05:18:08 - 05:35:01 5378
Oregon Observatory 05:26:36 -51.8 Dark Down 9.0 96.5 Really Low 05:18:10 - 05:35:03 5370
La Pine/Gilchrist 05:26:36 -51.9 Dark Down 9.0 96.5 Really Low 05:18:10 - 05:35:03 5360
North Lake 05:26:39 -52.5 Dark Down 9.5 96.8 Really Low 05:18:12 - 05:35:05 5332
Chiloquin 05:26:44 -52.1 Dark Down 8.9 96.1 Really Low 05:18:18 - 05:35:11 5302
Paisley 05:26:42 -53.0 Dark Down 9.9 97.0 Really Low 05:18:15 - 05:35:08 5300
Klamath Falls 05:26:44 -52.3 Dark Down 9.0 96.1 Really Low 05:18:18 - 05:35:11 5283
Lakeview 05:26:45 -53.3 Dark Down 10.1 97.0 Really Low 05:18:18 - 05:35:11 5271
Tulelake 05:26:47 -52.7 Dark Down 9.3 96.2 Really Low 05:18:21 - 05:35:14 5266
Cedarville 05:26:48 -53.7 Dark Down 10.3 97.1 Really Low 05:18:22 - 05:35:15 5232
Fall River/Burney 05:26:52 -53.1 Dark Down 9.4 96.2 Really Low 05:18:25 - 05:35:18 5214
Susanville 05:26:55 -53.9 Dark Down 10.1 96.6 Really Low 05:18:28 - 05:35:21 5172
Greenville 05:26:57 -53.8 Dark Down 9.9 96.3 Really Low 05:18:30 - 05:35:23 5158
Gimple 05:26:57 -53.8 Dark Down 10.0 96.4 Really Low 05:18:30 - 05:35:23 5157
Quincy 05:26:58 -53.8 Dark Down 9.9 96.3 Really Low 05:18:32 - 05:35:25 5146
Portola 05:26:58 -54.2 Dark Down 10.3 96.6 Really Low 05:18:32 - 05:35:25 5135
Reno 05:26:59 -54.8 Dark Down 10.8 97.0 Really Low 05:18:32 - 05:35:25 5114
Carson City 05:27:01 -54.9 Dark Down 10.9 96.9 Really Low 05:18:34 - 05:35:27 5092
Gardnerville 05:27:02 -55.1 Dark Down 11.0 96.9 Really Low 05:18:36 - 05:35:29 5077
Yerington 05:27:02 -55.5 Dark Down 11.4 97.3 Really Low 05:18:35 - 05:35:28 5075
Hawthorne 05:27:02 -56.0 Dark Down 11.9 97.5 Really Low 05:18:36 - 05:35:29 5042
Lee Vining 05:27:06 -55.9 Dark Down 11.6 97.1 Really Low 05:18:40 - 05:35:33 5012
Tonopah 05:27:04 -57.3 Dark Down 13.1 98.4 Really Low 05:18:37 - 05:35:30 5000
Niwot 05:26:32 -64.0 Dark Down 21.6 107.1 Low 05:18:06 - 05:34:59 4983
Bishop 05:27:09 -56.7 Dark Down 12.2 97.5 Really Low 05:18:42 - 05:35:35 4967
Beatty 05:27:09 -58.0 Dark Down 13.6 98.4 Really Low 05:18:42 - 05:35:35 4922
Lone Pine 05:27:11 -57.2 Dark Down 12.6 97.5 Really Low 05:18:45 - 05:35:38 4915
Indian Springs 05:27:09 -59.0 Dark Down 14.5 99.0 Really Low 05:18:42 - 05:35:35 4889
CPSLO 05:27:21 -55.6 Dark Down 10.7 95.7 Really Low 05:18:55 - 05:35:48 4852
Henderson 05:27:11 -59.7 Dark Down 15.2 99.3 Really Low 05:18:44 - 05:35:37 4847
Searchlight/Boulder City 05:27:14 -60.0 Dark Down 15.3 99.2 Really Low 05:18:48 - 05:35:41 4808
Patrick 05:27:13 -60.8 Dark Down 16.2 99.8 Really Low 05:18:46 - 05:35:39 4793
Laughlin/Bullhead City 05:27:15 -60.3 Dark Down 15.6 99.3 Really Low 05:18:48 - 05:35:41 4784
Kingman/Dolan Springs 05:27:14 -60.7 Dark Down 16.0 99.6 Really Low 05:18:48 - 05:35:41 4780
Mohave Valley 05:27:16 -60.5 Dark Down 15.7 99.2 Really Low 05:18:50 - 05:35:43 4765
DCO 05:27:13 -61.4 Dark Down 16.8 100.2 Really Low 05:18:47 - 05:35:40 4764
Wildwood 05:27:26 -57.6 Dark Down 12.5 96.7 Really Low 05:19:00 - 05:35:53 4753
Lake Havasu City 05:27:18 -60.8 Dark Down 16.0 99.3 Really Low 05:18:51 - 05:35:44 4735
Parker 05:27:20 -60.9 Dark Down 16.0 99.2 Really Low 05:18:53 - 05:35:46 4710
Idyllwild 05:27:25 -59.2 Dark Down 14.1 97.7 Really Low 05:18:59 - 05:35:52 4710
Blythe 05:27:23 -60.9 Dark Down 15.9 98.9 Really Low 05:18:56 - 05:35:49 4677
Calipatria 05:27:27 -60.3 Dark Down 15.2 98.2 Really Low 05:19:00 - 05:35:53 4653
Yuma 05:27:28 -61.2 Dark Down 16.0 98.6 Really Low 05:19:01 - 05:35:54 4613

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, (2017/11/24 05:24UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.88 142
Alhena         06:37:42.8 +16:23:57  1.9 15.12 154
PPM 151313     06:49:03.7 +01:00:07  5.9  0.65 151
PPM 151375     06:51:01.3 +01:51:25  8.5  0.34 152
PPM 151339     06:49:52.2 +01:44:42  9.3  0.17 151
14YY49         06:50:09.5 +01:35:42 16.4       151
Positions are for J2000

Event circumstances last updated at 2017/05/16 18:35:56 UT

Marc W. Buie, Southwest Research Institute

RECON