RECON: TNO occultation with 14UX229

Event between 14UX229 and star GA1080:00224734 with event index number of 237060

Geocentric closest approach at 2018/09/13 11:07:25 UTC

J2000 position of star is 02:08:34.9 +18:58:34
Equinox of date position of star is 02:09:36.1 +19:03:46
Stellar brightness G=17.1, use SENSEUP=128
Star is 169 degrees from the moon. Moon is 17% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 26.6 AU from the Sun and 25.9 AU from the Earth.
The TNO is moving 15.0 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 289 seconds.
The 1-sigma cross-track error in the shadow position is 5951 km.
The sky-plane scale is 18806.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.4
Diameter=128.2 km assuming a 5% albedo -- 8.6 sec chord
Diameter=52.4 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is ERR2LARGE
 
 
 
 
 
 

Star training set for 14UX229, (2018/09/13 11:07UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:59.8 +16:32:43  0.8 35.11 150
6Bet Ari       01:55:40.6 +20:53:55  2.6  3.75 165
15 Ari         02:11:40.0 +19:35:16  5.7  0.71 169
PPM 117969     02:08:47.8 +18:07:03  6.7  0.97 169
PPM 117960     02:08:02.5 +18:40:03  9.2  0.54 169
PPM 117974     02:09:13.2 +19:20:01 10.9  0.29 169
14UX229        02:09:37.0 +19:03:51 17.1       169
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 3.1 sigma about the mid-time.
The median site spacing is 24.6 km RECON observability=1.0 and success probability=6.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 11:06:32 -22.5 Dark Down 58.9 193.5 Up 10:51:32 - 11:21:32 6896
Oroville 11:06:31 -22.8 Dark Down 59.4 193.9 Up 10:51:31 - 11:21:31 6838
Tonasket 11:06:31 -23.0 Dark Down 59.7 194.0 Up 10:51:31 - 11:21:31 6815
Okanogan 11:06:31 -23.2 Dark Down 60.0 193.9 Up 10:51:31 - 11:21:31 6783
Brewster 11:06:32 -23.5 Dark Down 60.3 193.6 Up 10:51:32 - 11:21:32 6757
Manson/Chelan 11:06:34 -23.8 Dark Down 60.6 193.1 Up 10:51:34 - 11:21:34 6738
Entiat 11:06:35 -24.0 Dark Down 60.8 193.0 Up 10:51:35 - 11:21:35 6717
Wenatchee 11:06:35 -24.2 Dark Down 61.1 192.9 Up 10:51:35 - 11:21:35 6693
Ellensburg 11:06:37 -24.6 Dark Down 61.5 192.7 Up 10:51:37 - 11:21:37 6653
Yakima 11:06:37 -24.8 Dark Down 61.9 192.8 Up 10:51:37 - 11:21:37 6613
Toppenish/White Swan 11:06:36 -24.8 Dark Down 62.1 193.2 Up 10:51:36 - 11:21:36 6591
Pasco 11:06:29 -24.2 Dark Down 62.0 195.8 Up 10:51:29 - 11:21:29 6574
PNWRO 11:06:28 -24.2 Dark Down 62.2 196.3 Up 10:51:28 - 11:21:28 6548
George/Umatilla 11:06:30 -24.5 Dark Down 62.3 195.5 Up 10:51:30 - 11:21:30 6541
Goldendale 11:06:38 -25.4 Dark Down 62.7 192.6 Up 10:51:38 - 11:21:38 6538
The Dalles 11:06:40 -25.7 Dark Down 63.0 192.0 Up 10:51:40 - 11:21:40 6517
Maupin 11:06:39 -25.9 Dark Down 63.4 192.4 Up 10:51:39 - 11:21:39 6475
Madras/Culver 11:06:40 -26.3 Dark Down 63.9 192.5 Up 10:51:40 - 11:21:40 6420
Sisters 11:06:42 -26.7 Dark Down 64.3 191.7 Up 10:51:42 - 11:21:42 6388
Redmond 11:06:40 -26.5 Dark Down 64.3 192.6 Up 10:51:40 - 11:21:40 6384
Bend 11:06:40 -26.7 Dark Down 64.5 192.4 Up 10:51:40 - 11:21:40 6363
Oregon Observatory 11:06:42 -26.9 Dark Down 64.7 192.2 Up 10:51:42 - 11:21:42 6346
La Pine/Gilchrist 11:06:41 -27.1 Dark Down 64.9 192.1 Up 10:51:41 - 11:21:41 6326
North Lake 11:06:38 -27.0 Dark Down 65.2 193.7 Up 10:51:38 - 11:21:38 6279
Paisley 11:06:36 -27.1 Dark Down 65.7 194.7 Up 10:51:36 - 11:21:36 6221
Chiloquin 11:06:44 -27.9 Dark Down 66.0 191.9 Up 10:51:44 - 11:21:44 6215
Klamath Falls 11:06:43 -28.1 Dark Down 66.3 192.2 Up 10:51:43 - 11:21:43 6179
Lakeview 11:06:36 -27.2 Dark Down 66.1 195.5 Up 10:51:36 - 11:21:36 6169
Tulelake 11:06:42 -28.0 Dark Down 66.6 193.0 Up 10:51:42 - 11:21:42 6150
Cedarville 11:06:35 -27.5 Dark Down 66.7 196.3 Up 10:51:35 - 11:21:35 6101
Fall River/Burney 11:06:42 -28.5 Dark Down 67.4 193.7 Up 10:51:42 - 11:21:42 6057
Susanville 11:06:37 -28.4 Dark Down 67.9 195.9 Up 10:51:37 - 11:21:37 5988
Greenville 11:06:39 -28.8 Dark Down 68.2 195.4 Up 10:51:39 - 11:21:39 5961
Gimple 11:06:39 -28.7 Dark Down 68.2 195.6 Up 10:51:39 - 11:21:39 5960
Niwot 11:05:13 -18.3 Dark Down 62.0 227.3 Up 10:50:13 - 11:20:13 5941
Quincy 11:06:39 -28.9 Dark Down 68.4 195.5 Up 10:51:39 - 11:21:39 5940
Portola 11:06:37 -28.6 Dark Down 68.4 196.8 Up 10:51:37 - 11:21:37 5924
Reno 11:06:33 -28.4 Dark Down 68.5 198.6 Up 10:51:33 - 11:21:33 5894
Carson City 11:06:33 -28.6 Dark Down 68.9 198.9 Up 10:51:33 - 11:21:33 5856
Yerington 11:06:29 -28.3 Dark Down 68.9 200.6 Up 10:51:29 - 11:21:29 5833
Gardnerville 11:06:33 -28.7 Dark Down 69.1 199.2 Up 10:51:33 - 11:21:33 5830
Hawthorne 11:06:25 -28.2 Dark Down 69.2 202.4 Up 10:51:25 - 11:21:25 5782
Tonopah 11:06:18 -27.5 Dark Down 69.2 206.4 Up 10:51:18 - 11:21:18 5728
Lee Vining 11:06:29 -28.8 Dark Down 69.8 201.7 Up 10:51:29 - 11:21:29 5725
Bishop 11:06:25 -28.6 Dark Down 70.2 204.2 Up 10:51:25 - 11:21:25 5659
Beatty 11:06:15 -27.7 Dark Down 70.0 208.9 Up 10:51:15 - 11:21:15 5605
Lone Pine 11:06:23 -28.8 Dark Down 70.8 206.0 Up 10:51:23 - 11:21:23 5577
Indian Springs 11:06:09 -27.1 Dark Down 69.9 212.0 Up 10:51:09 - 11:21:09 5567
Henderson 11:06:05 -26.9 Dark Down 70.0 214.4 Up 10:51:05 - 11:21:05 5509
CPSLO 11:06:38 -31.2 Dark Down 72.8 200.3 Up 10:51:38 - 11:21:38 5451
Searchlight/Boulder City 11:06:05 -27.1 Dark Down 70.5 215.5 Up 10:51:05 - 11:21:05 5448
Patrick 11:05:58 -26.4 Dark Down 70.0 218.1 Up 10:50:58 - 11:20:58 5440
Kingman/Dolan Springs 11:05:59 -26.6 Dark Down 70.3 218.0 Up 10:50:59 - 11:20:59 5417
Laughlin/Bullhead City 11:06:02 -27.0 Dark Down 70.5 216.8 Up 10:51:02 - 11:21:02 5415
DCO 11:05:54 -26.0 Dark Down 69.9 220.2 Up 10:50:54 - 11:20:54 5406
Mohave Valley 11:06:02 -27.1 Dark Down 70.8 217.3 Up 10:51:02 - 11:21:02 5386
Lake Havasu City 11:06:01 -27.1 Dark Down 71.0 218.6 Up 10:51:01 - 11:21:01 5343
Wildwood 11:06:26 -30.4 Dark Down 73.2 208.0 Up 10:51:26 - 11:21:26 5312
Parker 11:06:00 -27.3 Dark Down 71.2 219.3 Up 10:51:00 - 11:21:00 5305
Idyllwild 11:06:15 -29.2 Dark Down 72.7 213.9 Up 10:51:15 - 11:21:15 5267
Blythe 11:06:02 -27.7 Dark Down 71.8 219.6 Up 10:51:02 - 11:21:02 5249
Calipatria 11:06:08 -28.6 Dark Down 72.6 218.2 Up 10:51:08 - 11:21:08 5198
Yuma 11:06:02 -28.1 Dark Down 72.5 221.4 Up 10:51:02 - 11:21:02 5149

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 14UX229, (2018/09/13 11:07UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 35.11 150
6Bet Ari       01:54:38.5 +20:48:27  2.6  3.75 165
15 Ari         02:10:37.7 +19:30:01  5.7  0.71 169
PPM 117969     02:07:46.0 +18:01:46  6.7  0.97 169
PPM 117960     02:07:00.5 +18:34:44  9.2  0.54 169
PPM 117974     02:08:11.0 +19:14:44 10.9  0.29 169
14UX229        02:08:34.9 +18:58:34 17.1       169
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:25:45 UT

Marc W. Buie, Southwest Research Institute

RECON