RECON: TNO occultation with 14DQ143

Event between 14DQ143 and star GA0780:04313906 with event index number of 302261

Geocentric closest approach at 2019/03/18 07:22:03 UTC

J2000 position of star is 12:59:19.6 -10:48:23
Equinox of date position of star is 13:00:19.6 -10:54:33
Stellar brightness G=16.6, use SENSEUP=128
Star is 60 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 35.5 AU from the Sun and 34.6 AU from the Earth.
The TNO is moving 22.5 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is 1699 km.
The sky-plane scale is 25100.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 10.7 sec chord
Diameter=97.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14DQ143, (2019/03/18 07:22UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:12.5 -11:15:40  1.0  6.36  65
40Psi Vir      12:55:21.2 -09:38:35  4.8  1.76  58
PPM 226549     12:57:03.2 -11:24:48  8.5  0.95  59
PPM 226637     13:00:46.5 -10:36:01  9.7  0.33  59
14DQ143        13:00:19.9 -10:54:35 16.6        60
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 16.3 km RECON observability=1.0 and success probability=15.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:24:23 -40.3 Dark Up 24.7 150.0 Low 07:17:50 - 07:30:55 -1082
Summerland 07:24:24 -40.3 Dark Up 24.6 149.6 Low 07:17:52 - 07:30:57 -1093
Penticton 07:24:24 -40.7 Dark Up 24.9 149.7 Low 07:17:52 - 07:30:57 -1109
Okanagan Falls 07:24:24 -40.8 Dark Up 25.1 149.7 Low 07:17:52 - 07:30:57 -1122
Oliver 07:24:24 -41.0 Dark Up 25.2 149.7 Low 07:17:52 - 07:30:57 -1132
Anarchist Mountain Observatory 07:24:24 -41.2 Dark Up 25.5 149.8 Low 07:17:51 - 07:30:56 -1139
Oroville 07:24:24 -41.3 Dark Up 25.5 149.7 Low 07:17:52 - 07:30:57 -1145
Tonasket 07:24:24 -41.5 Dark Up 25.7 149.7 Low 07:17:52 - 07:30:57 -1161
Okanogan 07:24:25 -41.8 Dark Up 25.9 149.4 Low 07:17:53 - 07:30:58 -1186
Brewster 07:24:26 -42.0 Dark Up 26.1 149.2 Low 07:17:53 - 07:30:58 -1208
Manson/Chelan 07:24:27 -42.2 Dark Up 26.2 148.7 Low 07:17:55 - 07:31:00 -1230
Entiat 07:24:28 -42.4 Dark Up 26.3 148.6 Low 07:17:55 - 07:31:00 -1247
Wenatchee 07:24:28 -42.6 Dark Up 26.5 148.5 Low 07:17:55 - 07:31:00 -1266
Ellensburg 07:24:29 -43.0 Dark Up 26.8 148.1 Low 07:17:57 - 07:31:02 -1299
Pasco 07:24:26 -43.9 Dark Up 27.9 149.4 Low 07:17:54 - 07:30:59 -1319
Yakima 07:24:30 -43.3 Dark Up 27.1 148.0 Low 07:17:57 - 07:31:02 -1328
PNWRO 07:24:26 -44.2 Dark Up 28.2 149.5 Low 07:17:53 - 07:30:58 -1330
Toppenish/White Swan 07:24:30 -43.6 Dark Up 27.4 148.1 Low 07:17:57 - 07:31:02 -1339
George/Umatilla 07:24:27 -44.2 Dark Up 28.1 149.1 Low 07:17:54 - 07:30:59 -1347
Goldendale 07:24:31 -44.0 Dark Up 27.7 147.5 Low 07:17:59 - 07:31:04 -1387
The Dalles 07:24:33 -44.2 Dark Up 27.7 147.1 Low 07:18:01 - 07:31:06 -1411
Niwot 07:23:44 -50.8 Dark Up 37.6 163.2 Up 07:17:12 - 07:30:17 -1432
Maupin 07:24:33 -44.6 Dark Up 28.1 147.1 Low 07:18:00 - 07:31:05 -1439
SwRI 07:23:45 -50.9 Dark Up 37.7 163.1 Up 07:17:12 - 07:30:17 -1442
Madras/Culver 07:24:34 -45.1 Dark Up 28.6 146.9 Low 07:18:01 - 07:31:06 -1479
Redmond 07:24:34 -45.4 Dark Up 28.9 146.7 Low 07:18:01 - 07:31:06 -1506
Sisters 07:24:35 -45.3 Dark Up 28.7 146.3 Low 07:18:03 - 07:31:08 -1513
Bend 07:24:34 -45.6 Dark Up 29.0 146.5 Low 07:18:02 - 07:31:07 -1525
Oregon Observatory 07:24:35 -45.8 Dark Up 29.1 146.3 Low 07:18:02 - 07:31:07 -1540
La Pine/Gilchrist 07:24:35 -45.9 Dark Up 29.2 146.2 Low 07:18:02 - 07:31:07 -1557
North Lake 07:24:34 -46.5 Dark Up 29.8 146.7 Low 07:18:01 - 07:31:06 -1574
Paisley 07:24:34 -47.1 Dark Up 30.4 146.9 Up 07:18:02 - 07:31:07 -1607
Lakeview 07:24:34 -47.6 Dark Up 30.9 146.9 Up 07:18:01 - 07:31:06 -1640
Chiloquin 07:24:37 -46.9 Dark Up 30.0 145.5 Low 07:18:05 - 07:31:10 -1648
Klamath Falls 07:24:37 -47.3 Dark Up 30.3 145.5 Up 07:18:05 - 07:31:10 -1672
Tulelake 07:24:37 -47.6 Dark Up 30.7 145.7 Up 07:18:04 - 07:31:09 -1685
Cedarville 07:24:33 -48.3 Dark Up 31.5 146.9 Up 07:18:01 - 07:31:06 -1685
Fall River/Burney 07:24:37 -48.5 Dark Up 31.4 145.5 Up 07:18:05 - 07:31:10 -1752
Susanville 07:24:35 -49.2 Dark Up 32.3 146.0 Up 07:18:03 - 07:31:08 -1782
Gimple 07:24:36 -49.5 Dark Up 32.4 145.7 Up 07:18:04 - 07:31:09 -1809
Greenville 07:24:37 -49.4 Dark Up 32.4 145.6 Up 07:18:04 - 07:31:09 -1811
Portola 07:24:35 -49.9 Dark Up 32.9 146.0 Up 07:18:02 - 07:31:07 -1824
Quincy 07:24:37 -49.6 Dark Up 32.5 145.5 Up 07:18:04 - 07:31:09 -1826
Reno 07:24:33 -50.3 Dark Up 33.4 146.6 Up 07:18:01 - 07:31:06 -1829
Yerington 07:24:32 -50.9 Dark Up 34.1 147.1 Up 07:18:00 - 07:31:05 -1856
Carson City 07:24:34 -50.6 Dark Up 33.7 146.5 Up 07:18:01 - 07:31:06 -1856
Gardnerville 07:24:33 -50.9 Dark Up 33.9 146.4 Up 07:18:01 - 07:31:06 -1874
Hawthorne 07:24:31 -51.5 Dark Up 34.7 147.5 Up 07:17:58 - 07:31:03 -1879
Tonopah 07:24:26 -52.2 Dark Up 35.7 148.8 Up 07:17:54 - 07:30:59 -1880
Lee Vining 07:24:32 -51.9 Dark Up 35.0 146.7 Up 07:18:00 - 07:31:05 -1936
Indian Springs 07:24:22 -53.9 Dark Up 37.6 149.9 Up 07:17:49 - 07:30:54 -1959
Beatty 07:24:26 -53.4 Dark Up 36.9 148.9 Up 07:17:53 - 07:30:58 -1960
Bishop 07:24:30 -52.7 Dark Up 35.8 147.3 Up 07:17:58 - 07:31:03 -1965
Henderson 07:24:20 -54.6 Dark Up 38.3 150.5 Up 07:17:47 - 07:30:52 -1984
Patrick 07:24:16 -55.3 Dark Up 39.3 151.5 Up 07:17:43 - 07:30:48 -2005
DCO 07:24:13 -55.7 Dark Up 39.8 152.2 Up 07:17:40 - 07:30:45 -2012
Lone Pine 07:24:30 -53.5 Dark Up 36.6 147.3 Up 07:17:57 - 07:31:02 -2018
Kingman/Dolan Springs 07:24:17 -55.5 Dark Up 39.4 151.2 Up 07:17:44 - 07:30:49 -2029
Searchlight/Boulder City 07:24:20 -55.1 Dark Up 38.8 150.4 Up 07:17:47 - 07:30:52 -2029
Laughlin/Bullhead City 07:24:19 -55.5 Dark Up 39.2 150.6 Up 07:17:47 - 07:30:52 -2044
Mohave Valley 07:24:18 -55.7 Dark Up 39.5 150.5 Up 07:17:46 - 07:30:51 -2066
Lake Havasu City 07:24:18 -56.2 Dark Up 39.9 150.6 Up 07:17:45 - 07:30:50 -2092
Parker 07:24:17 -56.5 Dark Up 40.2 150.5 Up 07:17:45 - 07:30:50 -2121
Blythe 07:24:18 -57.0 Dark Up 40.6 150.0 Up 07:17:46 - 07:30:51 -2172
CPSLO 07:24:39 -54.1 Dark Up 36.5 144.0 Up 07:18:06 - 07:31:11 -2193
Idyllwild 07:24:26 -56.5 Dark Up 39.6 147.6 Up 07:17:53 - 07:30:58 -2219
Calipatria 07:24:22 -57.3 Dark Up 40.6 148.7 Up 07:17:50 - 07:30:55 -2238
Wildwood 07:24:33 -55.8 Dark Up 38.4 145.7 Up 07:18:00 - 07:31:05 -2239
Yuma 07:24:19 -57.9 Dark Up 41.4 149.5 Up 07:17:46 - 07:30:51 -2251

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 14DQ143, (2019/03/18 07:22UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0  6.36  65
40Psi Vir      12:54:21.1 -09:32:21  4.8  1.76  58
PPM 226549     12:56:02.8 -11:18:35  8.5  0.95  59
PPM 226637     12:59:46.1 -10:29:49  9.7  0.33  59
14DQ143        12:59:19.6 -10:48:23 16.6        60
Positions are for J2000

Event circumstances last updated at 2019/02/12 06:50:57 UT

Marc W. Buie, Southwest Research Institute

RECON