RECON: TNO occultation with 14YY49

Event between 14YY49 and star UC4-458-032982 with event index number of 321886

Geocentric closest approach at 2020/02/24 02:09:04 UTC

J2000 position of star is 07:15:04.8 +01:34:16
Equinox of date position of star is 07:16:05.2 +01:32:09
Stellar brightness R=16.3, use SENSEUP=128
Star is 125 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 19.6 AU from the Sun and 18.9 AU from the Earth.
The TNO is moving 16.8 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is 878 km.
The sky-plane scale is 13719.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 3.3 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2020/02/24 02:09UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:46:02.1 -16:44:41 -1.5 19.73 112
Alhena         06:38:52.5 +16:22:49  1.9 17.45 118
PPM 152385     07:20:25.5 +02:42:08  5.9  1.59 126
PPM 152289     07:17:39.3 +01:50:28  7.6  0.49 126
PPM 152231     07:16:03.0 +01:36:05  9.3  0.07 125
14YY49         07:16:07.4 +01:32:05 16.3       125
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)
Kelowna 02:13:59 -7.9 NT Down 30.4 130.2 Up 02:07:37 - 02:20:22 5604
Summerland 02:13:58 -7.7 NT Down 30.4 129.8 Up 02:07:35 - 02:20:20 5568
Penticton 02:14:00 -7.8 NT Down 30.5 129.9 Up 02:07:38 - 02:20:23 5565
Okanagan Falls 02:14:01 -7.7 NT Down 30.6 129.8 Up 02:07:38 - 02:20:23 5547
Oliver 02:14:00 -7.7 NT Down 30.7 129.7 Up 02:07:38 - 02:20:23 5533
Anarchist Mountain Observatory 02:13:59 -7.8 NT Down 30.9 129.9 Up 02:07:37 - 02:20:22 5523
Oroville 02:13:58 -7.8 NT Down 30.9 129.7 Up 02:07:35 - 02:20:20 5513
Tonasket 02:14:00 -7.8 NT Down 31.1 129.7 Up 02:07:38 - 02:20:23 5492
Okanogan 02:14:00 -7.6 NT Down 31.2 129.3 Up 02:07:38 - 02:20:23 5456
Brewster 02:14:01 -7.5 NT Down 31.3 129.0 Up 02:07:38 - 02:20:23 5424
Manson/Chelan 02:14:01 -7.2 NT Down 31.2 128.6 Up 02:07:39 - 02:20:24 5393
Entiat 02:14:02 -7.1 NT Down 31.3 128.4 Up 02:07:39 - 02:20:24 5370
Wenatchee 02:14:01 -7.0 NT Down 31.4 128.2 Up 02:07:39 - 02:20:24 5343
Ellensburg 02:14:01 -6.8 NT Down 31.6 127.7 Up 02:07:39 - 02:20:24 5297
Pasco 02:13:59 -7.7 NT Down 32.8 128.8 Up 02:07:36 - 02:20:21 5272
Yakima 02:14:01 -6.8 NT Down 31.8 127.5 Up 02:07:39 - 02:20:24 5258
PNWRO 02:13:57 -7.8 NT Down 33.1 128.9 Up 02:07:34 - 02:20:19 5256
Toppenish/White Swan 02:14:02 -6.9 NT Down 32.0 127.6 Up 02:07:40 - 02:20:25 5242
George/Umatilla 02:13:59 -7.5 NT Down 32.9 128.4 Up 02:07:37 - 02:20:22 5233
Niwot 02:13:07 -17.5 AT Down 44.2 140.4 Up 02:06:44 - 02:19:29 5232
SwRI 02:13:08 -17.4 AT Down 44.3 140.2 Up 02:06:45 - 02:19:30 5218
Goldendale 02:14:03 -6.5 NT Down 32.1 126.9 Up 02:07:41 - 02:20:26 5176
The Dalles 02:14:04 -6.2 NT Down 32.1 126.4 Up 02:07:42 - 02:20:27 5143
Maupin 02:14:04 -6.2 NT Down 32.4 126.3 Up 02:07:42 - 02:20:27 5106
Madras/Culver 02:14:04 -6.1 NT Down 32.7 126.0 Up 02:07:42 - 02:20:27 5052
Redmond 02:14:04 -6.1 NT Down 32.9 125.8 Up 02:07:42 - 02:20:27 5015
Sisters 02:14:05 -5.8 CT Down 32.6 125.4 Up 02:07:43 - 02:20:28 5005
Bend 02:14:04 -5.9 CT Down 32.9 125.5 Up 02:07:42 - 02:20:27 4990
Oregon Observatory 02:14:04 -5.8 CT Down 32.9 125.3 Up 02:07:42 - 02:20:27 4969
La Pine/Gilchrist 02:14:05 -5.7 CT Down 33.0 125.1 Up 02:07:42 - 02:20:27 4947
North Lake 02:14:01 -6.1 NT Down 33.6 125.5 Up 02:07:39 - 02:20:24 4925
Paisley 02:14:01 -6.3 NT Down 34.2 125.5 Up 02:07:39 - 02:20:24 4883
Lakeview 02:14:01 -6.4 NT Down 34.6 125.4 Up 02:07:39 - 02:20:24 4840
Chiloquin 02:14:05 -5.3 CT Down 33.4 124.2 Up 02:07:42 - 02:20:27 4827
Klamath Falls 02:14:05 -5.3 CT Down 33.7 124.1 Up 02:07:43 - 02:20:28 4796
Cedarville 02:14:00 -6.4 NT Down 35.0 125.2 Up 02:07:38 - 02:20:23 4782
Tulelake 02:14:04 -5.5 CT Down 34.0 124.2 Up 02:07:42 - 02:20:27 4779
Fall River/Burney 02:14:03 -5.4 CT Down 34.6 123.8 Up 02:07:41 - 02:20:26 4693
Susanville 02:14:01 -5.9 CT Down 35.4 124.1 Up 02:07:38 - 02:20:23 4656
Gimple 02:14:00 -5.7 CT Down 35.4 123.7 Up 02:07:37 - 02:20:22 4622
Greenville 02:14:01 -5.7 CT Down 35.4 123.7 Up 02:07:39 - 02:20:24 4619
Portola 02:13:59 -6.0 CT Down 35.8 123.9 Up 02:07:36 - 02:20:21 4603
Reno 02:13:56 -6.4 NT Down 36.4 124.4 Up 02:07:34 - 02:20:19 4600
Quincy 02:14:02 -5.6 CT Down 35.5 123.5 Up 02:07:39 - 02:20:24 4599
Yerington 02:13:55 -6.9 NT Down 37.1 124.6 Up 02:07:33 - 02:20:18 4570
Carson City 02:13:58 -6.4 NT Down 36.6 124.2 Up 02:07:35 - 02:20:20 4566
Tonopah 02:13:47 -8.2 NT Down 38.9 125.9 Up 02:07:25 - 02:20:10 4551
Hawthorne 02:13:54 -7.2 NT Down 37.7 124.9 Up 02:07:31 - 02:20:16 4543
Gardnerville 02:13:57 -6.4 NT Down 36.8 124.1 Up 02:07:34 - 02:20:19 4543
Lee Vining 02:13:53 -6.7 NT Down 37.7 124.0 Up 02:07:30 - 02:20:15 4470
Indian Springs 02:13:41 -9.3 NT Down 40.7 126.4 Up 02:07:19 - 02:20:04 4466
Beatty 02:13:45 -8.5 NT Down 39.8 125.6 Up 02:07:22 - 02:20:07 4455
Henderson 02:13:38 -9.8 NT Down 41.5 126.7 Up 02:07:16 - 02:20:01 4442
Bishop 02:13:52 -7.2 NT Down 38.5 124.3 Up 02:07:29 - 02:20:14 4438
Patrick 02:13:33 -10.6 NT Down 42.6 127.4 Up 02:07:10 - 02:19:55 4426
DCO 02:13:30 -11.2 NT Down 43.2 127.9 Up 02:07:08 - 02:19:53 4426
Kingman/Dolan Springs 02:13:33 -10.5 NT Down 42.6 127.1 Up 02:07:11 - 02:19:56 4397
Searchlight/Boulder City 02:13:37 -9.8 NT Down 41.9 126.4 Up 02:07:14 - 02:19:59 4388
Lone Pine 02:13:49 -7.4 NT Down 39.2 124.1 Up 02:07:27 - 02:20:12 4376
Laughlin/Bullhead City 02:13:35 -10.0 NT Down 42.3 126.5 Up 02:07:13 - 02:19:58 4373
Mohave Valley 02:13:35 -10.0 NT Down 42.4 126.3 Up 02:07:13 - 02:19:58 4347
Lake Havasu City 02:13:33 -10.2 NT Down 42.8 126.3 Up 02:07:11 - 02:19:56 4318
Parker 02:13:32 -10.2 NT Down 43.1 126.0 Up 02:07:10 - 02:19:55 4285
Blythe 02:13:33 -9.9 NT Down 43.2 125.3 Up 02:07:10 - 02:19:55 4222
CPSLO 02:13:57 -5.2 CT Down 38.1 120.9 Up 02:07:35 - 02:20:20 4149
Idyllwild 02:13:42 -8.2 NT Down 41.7 123.4 Up 02:07:19 - 02:20:04 4146
Calipatria 02:13:37 -9.1 NT Down 42.8 124.0 Up 02:07:14 - 02:19:59 4135
Yuma 02:13:33 -9.8 NT Down 43.7 124.6 Up 02:07:11 - 02:19:56 4130
Wildwood 02:13:49 -6.7 NT Down 40.2 121.9 Up 02:07:26 - 02:20:11 4107

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, (2020/02/24 02:09UT)
Object            RA         Dec     mag  sep  mel
Sirius         06:45:08.1 -16:43:21 -1.5 19.73 112
Alhena         06:37:42.8 +16:23:57  1.9 17.45 118
PPM 152385     07:19:22.4 +02:44:26  5.9  1.59 126
PPM 152289     07:16:36.5 +01:52:41  7.6  0.49 126
PPM 152231     07:15:00.3 +01:38:16  9.3  0.07 125
14YY49         07:15:04.8 +01:34:16 16.3       125
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:18:28 UT

Marc W. Buie, Southwest Research Institute

RECON