RECON: TNO occultation with 14WP509

Event between 14WP509 and star GA1160:02613308 with event index number of 173525

Geocentric closest approach at 2018/12/26 04:05:51 UTC

J2000 position of star is 06:54:54.1 +27:48:32
Equinox of date position of star is 06:56:04.8 +27:47:01
Stellar brightness G=16.1, use SENSEUP=128
Star is 40 degrees from the moon. Moon is 84% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 42.6 AU from the Sun and 41.6 AU from the Earth.
The TNO is moving 25.4 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 246 seconds.
The 1-sigma cross-track error in the shadow position is 1579 km.
The sky-plane scale is 30205.8 km/arcsec.

The TNO has an absolute magnitude Hv=4.8
Diameter=651.7 km assuming a 5% albedo -- 25.7 sec chord
Diameter=266.0 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14WP509, (2018/12/26 04:06UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:28.5 +27:58:44  1.1 11.13  29
39 Gem         06:59:57.5 +26:03:16  6.5  1.93  38
PPM 096719     06:55:39.8 +26:30:20  7.9  1.28  39
PPM 096718     06:55:38.2 +27:25:59  9.0  0.36  40
PPM 096724     06:55:59.3 +27:31:02 11.4  0.27  39
14WP509        06:56:05.4 +27:47:01 16.1        39
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 3.7 sigma about the mid-time.
The median site spacing is 20.8 km RECON observability=1.0 and success probability=3.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 04:08:40 -38.3 Dark Up 35.6 87.7 Up 03:53:40 - 04:23:40 5789
Kelowna 04:08:39 -38.5 Dark Up 35.8 88.0 Up 03:53:39 - 04:23:39 5783
Penticton 04:08:40 -38.5 Dark Up 35.7 87.6 Up 03:53:40 - 04:23:40 5755
Okanagan Falls 04:08:40 -38.5 Dark Up 35.7 87.4 Up 03:53:40 - 04:23:40 5739
Oliver 04:08:40 -38.5 Dark Up 35.7 87.3 Up 03:53:40 - 04:23:40 5724
Anarchist Mountain Observatory 04:08:41 -38.7 Dark Up 35.8 87.3 Up 03:53:41 - 04:23:41 5703
Oroville 04:08:41 -38.6 Dark Up 35.8 87.2 Up 03:53:41 - 04:23:41 5698
Tonasket 04:08:42 -38.7 Dark Up 35.8 87.1 Up 03:53:42 - 04:23:42 5677
Okanogan 04:08:43 -38.6 Dark Up 35.7 86.7 Up 03:53:43 - 04:23:43 5651
Brewster 04:08:44 -38.5 Dark Up 35.5 86.4 Up 03:53:44 - 04:23:44 5632
Manson/Chelan 04:08:44 -38.3 Dark Up 35.2 86.0 Up 03:53:44 - 04:23:44 5623
Entiat 04:08:45 -38.3 Dark Up 35.2 85.8 Up 03:53:45 - 04:23:45 5605
Wenatchee 04:08:46 -38.3 Dark Up 35.1 85.5 Up 03:53:46 - 04:23:46 5585
Ellensburg 04:08:47 -38.2 Dark Down 34.9 85.1 Up 03:53:47 - 04:23:47 5554
Yakima 04:08:48 -38.2 Dark Down 34.9 84.8 Up 03:53:48 - 04:23:48 5517
Toppenish/White Swan 04:08:49 -38.3 Dark Down 35.0 84.8 Up 03:53:49 - 04:23:49 5492
Goldendale 04:08:51 -38.1 Dark Down 34.6 84.1 Up 03:53:51 - 04:23:51 5454
Pasco 04:08:47 -39.2 Dark Up 35.8 85.5 Up 03:53:47 - 04:23:47 5445
The Dalles 04:08:51 -37.8 Dark Down 34.4 83.7 Up 03:53:51 - 04:23:51 5444
George/Umatilla 04:08:48 -39.1 Dark Up 35.7 85.2 Up 03:53:48 - 04:23:48 5420
PNWRO 04:08:47 -39.4 Dark Up 36.0 85.5 Up 03:53:47 - 04:23:47 5415
Maupin 04:08:53 -38.0 Dark Down 34.4 83.5 Up 03:53:53 - 04:23:53 5403
Madras/Culver 04:08:54 -38.0 Dark Down 34.3 83.1 Up 03:53:54 - 04:23:54 5353
Sisters 04:08:55 -37.7 Dark Down 33.9 82.6 Up 03:53:55 - 04:23:55 5336
Redmond 04:08:55 -38.0 Dark Down 34.2 82.8 Up 03:53:55 - 04:23:55 5322
Bend 04:08:56 -37.9 Dark Down 34.1 82.6 Up 03:53:56 - 04:23:56 5306
Oregon Observatory 04:08:56 -37.8 Dark Down 34.0 82.4 Up 03:53:56 - 04:23:56 5294
La Pine/Gilchrist 04:08:56 -37.8 Dark Down 33.9 82.2 Up 03:53:56 - 04:23:56 5277
North Lake 04:08:57 -38.2 Dark Down 34.3 82.3 Up 03:53:57 - 04:23:57 5217
Chiloquin 04:09:00 -37.5 Dark Down 33.5 81.3 Up 03:54:00 - 04:24:00 5184
Paisley 04:08:58 -38.5 Dark Down 34.5 82.2 Up 03:53:58 - 04:23:58 5155
Klamath Falls 04:09:01 -37.6 Dark Down 33.5 81.1 Up 03:54:01 - 04:24:01 5149
Tulelake 04:09:00 -37.8 Dark Down 33.7 81.1 Up 03:54:00 - 04:24:00 5114
Lakeview 04:08:58 -38.7 Dark Down 34.5 81.9 Up 03:53:58 - 04:23:58 5101
Cedarville 04:09:00 -38.8 Dark Down 34.6 81.6 Up 03:54:00 - 04:24:00 5033
Fall River/Burney 04:09:02 -37.9 Dark Down 33.6 80.6 Up 03:54:02 - 04:24:02 5025
Susanville 04:09:03 -38.5 Dark Down 34.1 80.6 Up 03:54:03 - 04:24:03 4942
Greenville 04:09:04 -38.3 Dark Down 33.8 80.2 Up 03:54:04 - 04:24:04 4925
Gimple 04:09:03 -38.3 Dark Down 33.9 80.3 Up 03:54:03 - 04:24:03 4922
Quincy 04:09:04 -38.3 Dark Down 33.8 80.1 Up 03:54:04 - 04:24:04 4905
Portola 04:09:04 -38.7 Dark Down 34.1 80.3 Up 03:54:04 - 04:24:04 4878
Reno 04:09:03 -39.1 Dark Down 34.6 80.4 Up 03:54:03 - 04:24:03 4831
Carson City 04:09:04 -39.2 Dark Down 34.5 80.2 Up 03:54:04 - 04:24:04 4796
Gardnerville 04:09:05 -39.2 Dark Down 34.5 80.1 Up 03:54:05 - 04:24:05 4770
Yerington 04:09:04 -39.7 Dark Down 35.0 80.4 Up 03:54:04 - 04:24:04 4756
Hawthorne 04:09:03 -40.1 Dark Down 35.3 80.4 Up 03:54:03 - 04:24:03 4694
Lee Vining 04:09:05 -39.7 Dark Down 34.8 79.7 Up 03:54:05 - 04:24:05 4654
Tonopah 04:09:02 -41.2 Dark Down 36.3 80.8 Up 03:54:02 - 04:24:02 4603
Bishop 04:09:05 -40.3 Dark Down 35.3 79.7 Up 03:54:05 - 04:24:05 4572
Lone Pine 04:09:06 -40.5 Dark Down 35.4 79.3 Up 03:54:06 - 04:24:06 4486
Niwot 04:08:35 -50.2 Dark Up 45.7 89.4 Up 03:53:35 - 04:23:35 4475
Beatty 04:09:03 -41.6 Dark Down 36.5 80.2 Up 03:54:03 - 04:24:03 4474
CPSLO 04:09:13 -38.4 Dark Down 33.1 77.3 Up 03:54:13 - 04:24:13 4444
Indian Springs 04:09:02 -42.4 Dark Down 37.3 80.5 Up 03:54:02 - 04:24:02 4408
Henderson 04:09:02 -43.0 Dark Down 37.7 80.4 Up 03:54:02 - 04:24:02 4333
Searchlight/Boulder City 04:09:02 -43.1 Dark Down 37.7 80.0 Up 03:54:02 - 04:24:02 4273
Wildwood 04:09:12 -40.0 Dark Down 34.5 77.4 Up 03:54:12 - 04:24:12 4254
Patrick 04:09:01 -43.9 Dark Up 38.5 80.5 Up 03:54:01 - 04:24:01 4235
Laughlin/Bullhead City 04:09:02 -43.3 Dark Down 37.9 79.9 Up 03:54:02 - 04:24:02 4232
Kingman/Dolan Springs 04:09:01 -43.8 Dark Down 38.3 80.2 Up 03:54:01 - 04:24:01 4218
Mohave Valley 04:09:03 -43.3 Dark Down 37.9 79.7 Up 03:54:03 - 04:24:03 4204
DCO 04:09:00 -44.5 Dark Up 39.0 80.6 Up 03:54:00 - 04:24:00 4182
Lake Havasu City 04:09:03 -43.5 Dark Down 38.0 79.6 Up 03:54:03 - 04:24:03 4156
Idyllwild 04:09:09 -41.6 Dark Down 35.9 77.9 Up 03:54:09 - 04:24:09 4155
Parker 04:09:04 -43.6 Dark Down 38.0 79.3 Up 03:54:04 - 04:24:04 4119
Blythe 04:09:05 -43.3 Dark Down 37.6 78.8 Up 03:54:05 - 04:24:05 4075
Calipatria 04:09:08 -42.5 Dark Down 36.8 78.0 Up 03:54:08 - 04:24:08 4055
Yuma 04:09:07 -43.3 Dark Down 37.4 78.1 Up 03:54:07 - 04:24:07 3982

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, (2018/12/26 04:06UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1 11.13  29
39 Gem         06:58:47.1 +26:04:53  6.5  1.93  38
PPM 096719     06:54:29.1 +26:31:50  7.9  1.28  39
PPM 096718     06:54:27.1 +27:27:29  9.0  0.36  40
PPM 096724     06:54:48.1 +27:32:33 11.4  0.27  39
14WP509        06:54:54.1 +27:48:32 16.1        39
Positions are for J2000

Event circumstances last updated at 2018/10/23 20:47:54 UT

Marc W. Buie, Southwest Research Institute

RECON