RECON: TNO occultation with 14WP509

Event between 14WP509 and star GA1160:02589899 with event index number of 179136

Geocentric closest approach at 2019/01/23 02:04:34 UTC

J2000 position of star is 06:52:23.4 +27:51:59
Equinox of date position of star is 06:53:34.6 +27:50:32
Stellar brightness G=15.1, use SENSEUP=128
Star is 48 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 42.6 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 23.7 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 259 seconds.
The 1-sigma cross-track error in the shadow position is 1529 km.
The sky-plane scale is 30248.0 km/arcsec.

The TNO has an absolute magnitude Hv=4.8
Diameter=651.7 km assuming a 5% albedo -- 27.5 sec chord
Diameter=266.0 km assuming a 30% albedo -- 11.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14WP509, (2019/01/23 02:05UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:28.8 +27:58:43  1.1 11.68  36
28 Gem         06:45:57.9 +28:57:00  5.4  2.01  49
PPM 096583     06:50:21.6 +27:10:02  6.6  0.98  48
PPM 096655     06:53:16.9 +27:29:55  9.5  0.35  48
PPM 096637     06:52:36.3 +27:45:31 11.2  0.23  48
14WP509        06:53:35.2 +27:50:32 15.1        47
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 3.5 sigma about the mid-time.
The median site spacing is 39.1 km RECON observability=0.1 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 02:07:29 -14.3 AT Down 34.3 86.0 Up 01:52:29 - 02:22:29 5871
Kelowna 02:07:29 -14.6 AT Down 34.5 86.3 Up 01:52:29 - 02:22:29 5864
Penticton 02:07:30 -14.4 AT Down 34.4 85.9 Up 01:52:30 - 02:22:30 5839
Okanagan Falls 02:07:30 -14.3 AT Down 34.3 85.8 Up 01:52:30 - 02:22:30 5823
Oliver 02:07:31 -14.3 AT Down 34.3 85.7 Up 01:52:31 - 02:22:31 5809
Anarchist Mountain Observatory 02:07:31 -14.4 AT Down 34.5 85.7 Up 01:52:31 - 02:22:31 5789
Oroville 02:07:31 -14.3 AT Down 34.4 85.6 Up 01:52:31 - 02:22:31 5785
Tonasket 02:07:33 -14.3 AT Down 34.4 85.5 Up 01:52:33 - 02:22:33 5765
Okanogan 02:07:33 -14.1 AT Down 34.3 85.1 Up 01:52:33 - 02:22:33 5740
Brewster 02:07:35 -13.9 AT Down 34.1 84.8 Up 01:52:35 - 02:22:35 5723
Manson/Chelan 02:07:36 -13.6 AT Down 33.9 84.4 Up 01:52:36 - 02:22:36 5717
Entiat 02:07:37 -13.5 AT Down 33.8 84.2 Up 01:52:37 - 02:22:37 5700
Wenatchee 02:07:37 -13.4 AT Down 33.7 84.0 Up 01:52:37 - 02:22:37 5681
Ellensburg 02:07:39 -13.1 AT Down 33.5 83.6 Up 01:52:39 - 02:22:39 5652
Yakima 02:07:40 -13.0 AT Down 33.4 83.3 Up 01:52:40 - 02:22:40 5618
Toppenish/White Swan 02:07:40 -13.1 AT Down 33.5 83.3 Up 01:52:40 - 02:22:40 5594
Goldendale 02:07:43 -12.7 AT Down 33.2 82.6 Up 01:52:43 - 02:22:43 5559
The Dalles 02:07:44 -12.4 AT Down 32.9 82.2 Up 01:52:44 - 02:22:44 5551
Pasco 02:07:40 -13.9 AT Down 34.4 84.0 Up 01:52:40 - 02:22:40 5543
George/Umatilla 02:07:40 -13.7 AT Down 34.2 83.7 Up 01:52:40 - 02:22:40 5521
PNWRO 02:07:39 -14.0 AT Down 34.5 84.0 Up 01:52:39 - 02:22:39 5515
Maupin 02:07:44 -12.3 AT Down 32.9 82.0 Up 01:52:44 - 02:22:44 5511
Madras/Culver 02:07:46 -12.2 AT Down 32.8 81.7 Up 01:52:46 - 02:22:46 5465
Sisters 02:07:48 -11.8 NT Down 32.5 81.2 Up 01:52:48 - 02:22:48 5450
Redmond 02:07:48 -12.0 AT Down 32.7 81.4 Up 01:52:48 - 02:22:48 5435
Bend 02:07:48 -11.9 NT Down 32.6 81.2 Up 01:52:48 - 02:22:48 5421
Oregon Observatory 02:07:49 -11.7 NT Down 32.5 81.0 Up 01:52:49 - 02:22:49 5410
La Pine/Gilchrist 02:07:49 -11.6 NT Down 32.4 80.8 Up 01:52:49 - 02:22:49 5393
North Lake 02:07:50 -11.9 NT Down 32.8 80.9 Up 01:52:50 - 02:22:50 5335
Chiloquin 02:07:52 -11.1 NT Down 32.0 79.9 Up 01:52:52 - 02:22:52 5307
Paisley 02:07:51 -12.0 AT Down 33.0 80.8 Up 01:52:51 - 02:22:51 5273
Klamath Falls 02:07:53 -11.0 NT Down 32.0 79.8 Up 01:52:53 - 02:22:53 5273
Tulelake 02:07:54 -11.2 NT Down 32.2 79.8 Up 01:52:54 - 02:22:54 5239
Lakeview 02:07:52 -12.1 AT Down 33.0 80.6 Up 01:52:52 - 02:22:52 5221
Cedarville 02:07:54 -12.0 AT Down 33.0 80.3 Up 01:52:54 - 02:22:54 5156
Fall River/Burney 02:07:57 -11.0 NT Down 32.1 79.3 Up 01:52:57 - 02:22:57 5154
Susanville 02:07:57 -11.4 NT Down 32.5 79.3 Up 01:52:57 - 02:22:57 5070
Greenville 02:07:58 -11.1 NT Down 32.2 79.0 Up 01:52:58 - 02:22:58 5055
Gimple 02:07:58 -11.1 NT Down 32.3 79.0 Up 01:52:58 - 02:22:58 5052
Quincy 02:07:59 -11.0 NT Down 32.2 78.9 Up 01:52:59 - 02:22:59 5037
Portola 02:07:58 -11.3 NT Down 32.5 79.0 Up 01:52:58 - 02:22:58 5008
Reno 02:07:58 -11.7 NT Down 33.0 79.2 Up 01:52:58 - 02:22:58 4961
Carson City 02:07:59 -11.7 NT Down 32.9 79.0 Up 01:52:59 - 02:22:59 4927
Gardnerville 02:08:00 -11.6 NT Down 32.9 78.9 Up 01:53:00 - 02:23:00 4903
Yerington 02:07:58 -12.1 AT Down 33.4 79.2 Up 01:52:58 - 02:22:58 4887
Hawthorne 02:07:59 -12.4 AT Down 33.7 79.2 Up 01:52:59 - 02:22:59 4825
Lee Vining 02:08:01 -11.9 NT Down 33.2 78.6 Up 01:53:01 - 02:23:01 4789
Tonopah 02:07:58 -13.3 AT Down 34.7 79.6 Up 01:52:58 - 02:22:58 4731
Bishop 02:08:01 -12.2 AT Down 33.7 78.6 Up 01:53:01 - 02:23:01 4707
Lone Pine 02:08:03 -12.3 AT Down 33.8 78.2 Up 01:53:03 - 02:23:03 4622
Beatty 02:08:00 -13.4 AT Down 34.8 79.1 Up 01:53:00 - 02:23:00 4605
CPSLO 02:08:09 -9.9 NT Down 31.4 76.2 Up 01:53:09 - 02:23:09 4593
Niwot 02:07:30 -22.8 Dark Down 44.1 88.0 Up 01:52:30 - 02:22:30 4551
Indian Springs 02:07:58 -14.1 AT Down 35.6 79.4 Up 01:52:58 - 02:22:58 4536
Henderson 02:07:59 -14.6 AT Down 36.1 79.3 Up 01:52:59 - 02:22:59 4460
Searchlight/Boulder City 02:08:00 -14.5 AT Down 36.0 79.0 Up 01:53:00 - 02:23:00 4402
Wildwood 02:08:09 -11.2 NT Down 32.8 76.4 Up 01:53:09 - 02:23:09 4401
Laughlin/Bullhead City 02:08:00 -14.7 AT Down 36.2 78.9 Up 01:53:00 - 02:23:00 4361
Patrick 02:07:58 -15.3 AT Down 36.9 79.4 Up 01:52:58 - 02:22:58 4360
Kingman/Dolan Springs 02:07:59 -15.1 AT Down 36.7 79.2 Up 01:52:59 - 02:22:59 4345
Mohave Valley 02:08:00 -14.6 AT Down 36.2 78.7 Up 01:53:00 - 02:23:00 4334
DCO 02:07:57 -15.8 AT Down 37.4 79.5 Up 01:52:57 - 02:22:57 4306
Idyllwild 02:08:06 -12.6 AT Down 34.2 77.0 Up 01:53:06 - 02:23:06 4297
Lake Havasu City 02:08:01 -14.7 AT Down 36.3 78.5 Up 01:53:01 - 02:23:01 4286
Parker 02:08:01 -14.7 AT Down 36.3 78.3 Up 01:53:01 - 02:23:01 4251
Blythe 02:08:03 -14.3 AT Down 35.9 77.8 Up 01:53:03 - 02:23:03 4209
Calipatria 02:08:06 -13.4 AT Down 35.1 77.1 Up 01:53:06 - 02:23:06 4194
Yuma 02:08:04 -14.0 AT Down 35.7 77.1 Up 01:53:04 - 02:23:04 4119

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 14WP509, (2019/01/23 02:05UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 11.68  36
28 Gem         06:44:45.5 +28:58:15  5.4  2.01  49
PPM 096583     06:49:10.3 +27:11:25  6.6  0.98  48
PPM 096655     06:52:05.4 +27:31:22  9.5  0.35  48
PPM 096637     06:51:24.7 +27:46:56 11.2  0.23  48
14WP509        06:52:23.4 +27:51:59 15.1        48
Positions are for J2000

Event circumstances last updated at 2018/12/04 05:10:39 UT

Marc W. Buie, Southwest Research Institute

RECON