RECON: TNO occultation with 14YY49

Event between 14YY49 and star GA0920:02338892 with event index number of 161107

Geocentric closest approach at 2018/09/14 12:35:40 UTC

J2000 position of star is 07:09:14.2 +02:32:50
Equinox of date position of star is 07:10:11.9 +02:30:59
Stellar brightness G=16.9, use SENSEUP=128
Star is 125 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 18.4 AU from the Sun and 18.8 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 5.8 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is 1482 km.
The sky-plane scale is 13610.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=58.3 km assuming a 5% albedo -- 2.7 sec chord
Diameter=23.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2018/09/14 12:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:11.1 +07:24:33  0.4 19.07 144
Alhena         06:38:47.5 +16:22:54  1.9 15.87 135
PPM 151953     07:08:06.0 +04:52:48  5.9  2.42 126
PPM 152038     07:10:06.2 +02:13:18  8.3  0.30 125
PPM 152048     07:10:23.8 +02:42:42  9.4  0.20 125
14YY49         07:10:12.8 +02:30:58 16.9       124
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)
Penticton 12:31:52 -10.5 CT Down 29.2 125.3 Low 12:23:07 - 12:40:38 4003
Oroville 12:31:51 -10.6 CT Down 29.7 125.1 Low 12:23:06 - 12:40:37 3948
Tonasket 12:31:51 -10.7 CT Down 29.8 125.0 Low 12:23:06 - 12:40:37 3926
Okanogan 12:31:51 -10.9 CT Down 29.9 124.7 Low 12:23:06 - 12:40:37 3890
Brewster 12:31:51 -11.1 CT Down 29.9 124.4 Low 12:23:05 - 12:40:36 3859
Manson/Chelan 12:31:50 -11.4 CT Down 29.9 123.9 Low 12:23:04 - 12:40:35 3830
Entiat 12:31:49 -11.5 CT Down 29.9 123.8 Low 12:23:04 - 12:40:35 3807
Wenatchee 12:31:49 -11.7 CT Down 30.0 123.6 Up 12:23:04 - 12:40:35 3780
Ellensburg 12:31:48 -12.0 CT Down 30.1 123.1 Up 12:23:03 - 12:40:34 3734
Pasco 12:31:51 -11.2 CT Down 31.4 124.1 Up 12:23:06 - 12:40:37 3698
Yakima 12:31:48 -12.1 AT Down 30.3 122.9 Up 12:23:02 - 12:40:33 3694
PNWRO 12:31:51 -11.2 CT Down 31.6 124.2 Up 12:23:06 - 12:40:37 3679
Toppenish/White Swan 12:31:48 -12.0 AT Down 30.5 123.0 Up 12:23:03 - 12:40:34 3677
George/Umatilla 12:31:50 -11.5 CT Down 31.4 123.8 Up 12:23:05 - 12:40:36 3659
Goldendale 12:31:48 -12.5 AT Down 30.6 122.3 Up 12:23:02 - 12:40:33 3612
The Dalles 12:31:46 -12.8 AT Down 30.5 121.8 Up 12:23:01 - 12:40:32 3581
Maupin 12:31:47 -12.9 AT Down 30.8 121.7 Up 12:23:01 - 12:40:32 3542
Niwot 12:32:28 -2.4 CT Down 43.2 135.3 Up 12:23:42 - 12:41:13 3540
Madras/Culver 12:31:46 -13.1 AT Down 31.0 121.4 Up 12:23:01 - 12:40:32 3487
Redmond 12:31:46 -13.2 AT Down 31.2 121.2 Up 12:23:00 - 12:40:31 3450
Sisters 12:31:45 -13.5 AT Down 30.9 120.8 Up 12:23:00 - 12:40:31 3442
Bend 12:31:46 -13.4 AT Down 31.2 120.9 Up 12:23:00 - 12:40:31 3425
Oregon Observatory 12:31:45 -13.5 AT Down 31.2 120.7 Up 12:22:59 - 12:40:30 3405
La Pine/Gilchrist 12:31:45 -13.6 AT Down 31.3 120.6 Up 12:22:59 - 12:40:30 3383
North Lake 12:31:47 -13.4 AT Down 31.9 120.9 Up 12:23:02 - 12:40:33 3355
Paisley 12:31:47 -13.3 AT Down 32.4 120.9 Up 12:23:01 - 12:40:32 3309
Lakeview 12:31:47 -13.3 AT Down 32.8 120.8 Up 12:23:02 - 12:40:33 3264
Chiloquin 12:31:44 -14.2 AT Down 31.6 119.6 Up 12:22:58 - 12:40:29 3262
Klamath Falls 12:31:44 -14.3 AT Down 31.8 119.5 Up 12:22:58 - 12:40:29 3229
Tulelake 12:31:44 -14.2 AT Down 32.2 119.7 Up 12:22:59 - 12:40:30 3210
Cedarville 12:31:48 -13.3 AT Down 33.2 120.6 Up 12:23:02 - 12:40:33 3202
Fall River/Burney 12:31:44 -14.4 AT Down 32.7 119.2 Up 12:22:59 - 12:40:30 3120
Susanville 12:31:46 -14.0 AT Down 33.5 119.5 Up 12:23:01 - 12:40:32 3077
Gimple 12:31:46 -14.3 AT Down 33.5 119.2 Up 12:23:01 - 12:40:32 3043
Greenville 12:31:46 -14.3 AT Down 33.4 119.1 Up 12:23:00 - 12:40:31 3041
Portola 12:31:47 -14.1 AT Down 33.9 119.4 Up 12:23:01 - 12:40:32 3021
Quincy 12:31:46 -14.4 AT Down 33.5 119.0 Up 12:23:01 - 12:40:32 3020
Reno 12:31:48 -13.7 AT Down 34.5 119.8 Up 12:23:03 - 12:40:34 3012
Carson City 12:31:48 -13.7 AT Down 34.7 119.6 Up 12:23:03 - 12:40:34 2976
Yerington 12:31:50 -13.3 AT Down 35.2 120.1 Up 12:23:05 - 12:40:36 2975
Gardnerville 12:31:48 -13.8 AT Down 34.8 119.5 Up 12:23:03 - 12:40:34 2953
Hawthorne 12:31:51 -13.0 AT Down 35.8 120.3 Up 12:23:06 - 12:40:37 2943
Tonopah 12:31:55 -12.1 AT Down 37.0 121.3 Up 12:23:09 - 12:40:40 2938
Lee Vining 12:31:50 -13.6 AT Down 35.7 119.5 Up 12:23:05 - 12:40:36 2871
Indian Springs 12:32:00 -11.2 CT Down 38.8 121.7 Up 12:23:14 - 12:40:45 2836
Beatty 12:31:57 -12.0 CT Down 37.9 120.9 Up 12:23:11 - 12:40:42 2835
Bishop 12:31:52 -13.1 AT Down 36.5 119.7 Up 12:23:07 - 12:40:38 2832
Henderson 12:32:02 -10.8 CT Down 39.6 122.0 Up 12:23:17 - 12:40:48 2805
Patrick 12:32:06 -10.0 CT Down 40.7 122.7 Up 12:23:20 - 12:40:51 2779
DCO 12:32:08 -9.5 CT Down 41.4 123.1 Up 12:23:22 - 12:40:53 2772
Lone Pine 12:31:53 -13.1 AT Down 37.1 119.5 Up 12:23:08 - 12:40:39 2765
Kingman/Dolan Springs 12:32:05 -10.2 CT Down 40.7 122.3 Up 12:23:20 - 12:40:51 2750
Searchlight/Boulder City 12:32:02 -10.8 CT Down 39.9 121.7 Up 12:23:17 - 12:40:48 2749
Laughlin/Bullhead City 12:32:03 -10.6 CT Down 40.3 121.8 Up 12:23:18 - 12:40:49 2730
Mohave Valley 12:32:04 -10.7 CT Down 40.5 121.6 Up 12:23:18 - 12:40:49 2703
Lake Havasu City 12:32:05 -10.5 CT Down 40.9 121.6 Up 12:23:19 - 12:40:50 2671
Parker 12:32:05 -10.6 CT Down 41.1 121.3 Up 12:23:19 - 12:40:50 2636
Blythe 12:32:04 -10.9 CT Down 41.1 120.6 Up 12:23:19 - 12:40:50 2573
CPSLO 12:31:47 -15.5 AT Down 35.9 116.4 Up 12:23:02 - 12:40:33 2553
Idyllwild 12:31:58 -12.7 AT Down 39.5 118.8 Up 12:23:13 - 12:40:44 2514
Calipatria 12:32:02 -11.8 CT Down 40.7 119.4 Up 12:23:17 - 12:40:48 2491
Wildwood 12:31:53 -14.1 AT Down 38.0 117.4 Up 12:23:07 - 12:40:38 2491
Yuma 12:32:05 -11.1 CT Down 41.6 119.9 Up 12:23:19 - 12:40:50 2478

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, (2018/09/14 12:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 19.07 144
Alhena         06:37:42.8 +16:23:57  1.9 15.87 135
PPM 151953     07:07:06.4 +04:54:37  5.9  2.42 126
PPM 152038     07:09:07.8 +02:15:10  8.3  0.30 125
PPM 152048     07:09:25.2 +02:44:34  9.4  0.20 125
14YY49         07:09:14.2 +02:32:50 16.9       125
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:26:09 UT

Marc W. Buie, Southwest Research Institute

RECON