RECON: TNO occultation with 14WR510

Event between 14WR510 and star UC4-516-025136 with event index number of 241714

Geocentric closest approach at 2019/02/12 08:07:33 UTC

J2000 position of star is 06:22:48.6 +13:01:57
Equinox of date position of star is 06:23:49.6 +13:01:21
Stellar brightness R=15.1, use SENSEUP=128
Star is 49 degrees from the moon. Moon is 44% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 29.5 AU from the Sun and 28.8 AU from the Earth.
The TNO is moving 15.0 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 386 seconds.
The 1-sigma cross-track error in the shadow position is 3042 km.
The sky-plane scale is 20901.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=201.4 km assuming a 5% albedo -- 13.5 sec chord
Diameter=82.2 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2019/02/12 08:08UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:12.4 +07:24:33  0.4  8.82  43
Alhena         06:38:49.0 +16:22:53  1.9  4.93  53
PPM 122364     06:23:40.8 +12:33:34  6.4  0.47  49
PPM 122343     06:22:49.5 +12:51:05  7.8  0.31  49
PPM 122360     06:23:29.5 +13:07:14  9.7  0.14  49
14WR510        06:23:53.2 +13:01:18 15.1        50
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 2.3 sigma about the mid-time.
The median site spacing is 15.0 km RECON observability=1.0 and success probability=9.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:05:24 -54.8 Dark Up 36.6 244.9 Up 07:50:24 - 08:20:24 -482
Tonasket 08:05:23 -55.0 Dark Up 36.7 245.1 Up 07:50:23 - 08:20:23 -497
Okanogan 08:05:21 -55.4 Dark Up 36.9 245.1 Up 07:50:21 - 08:20:21 -522
Brewster 08:05:21 -55.6 Dark Up 37.1 245.1 Up 07:50:21 - 08:20:21 -545
Manson/Chelan 08:05:21 -55.8 Dark Up 37.5 244.9 Up 07:50:21 - 08:20:21 -568
Entiat 08:05:20 -56.0 Dark Up 37.6 245.0 Up 07:50:20 - 08:20:20 -585
Wenatchee 08:05:18 -56.3 Dark Up 37.8 245.1 Up 07:50:18 - 08:20:18 -604
Ellensburg 08:05:17 -56.7 Dark Up 38.1 245.2 Up 07:50:17 - 08:20:17 -638
Pasco 08:05:09 -57.5 Dark Up 37.5 247.0 Up 07:50:09 - 08:20:09 -652
PNWRO 08:05:06 -57.7 Dark Up 37.5 247.4 Up 07:50:06 - 08:20:06 -663
Yakima 08:05:15 -57.1 Dark Up 38.3 245.4 Up 07:50:15 - 08:20:15 -666
Toppenish/White Swan 08:05:14 -57.3 Dark Up 38.2 245.7 Up 07:50:14 - 08:20:14 -676
George/Umatilla 08:05:07 -57.8 Dark Up 37.8 247.0 Up 07:50:07 - 08:20:07 -680
Niwot 08:03:57 -61.5 Dark Down 29.5 262.1 Low 07:48:57 - 08:18:57 -707
Goldendale 08:05:12 -57.8 Dark Up 38.8 245.7 Up 07:50:12 - 08:20:12 -726
The Dalles 08:05:12 -58.0 Dark Up 39.1 245.5 Up 07:50:12 - 08:20:12 -751
Maupin 08:05:10 -58.4 Dark Up 39.2 246.0 Up 07:50:10 - 08:20:10 -778
Madras/Culver 08:05:06 -59.0 Dark Up 39.4 246.3 Up 07:50:06 - 08:20:06 -818
Redmond 08:05:05 -59.3 Dark Up 39.6 246.5 Up 07:50:05 - 08:20:05 -845
Sisters 08:05:06 -59.3 Dark Up 39.9 246.1 Up 07:50:06 - 08:20:06 -854
Bend 08:05:04 -59.5 Dark Up 39.8 246.6 Up 07:50:04 - 08:20:04 -864
Oregon Observatory 08:05:04 -59.7 Dark Up 40.0 246.6 Up 07:50:04 - 08:20:04 -880
La Pine/Gilchrist 08:05:03 -59.9 Dark Up 40.1 246.7 Up 07:50:03 - 08:20:03 -897
North Lake 08:04:59 -60.4 Dark Up 39.9 247.5 Up 07:49:59 - 08:19:59 -912
Paisley 08:04:55 -60.9 Dark Up 39.8 248.3 Up 07:49:55 - 08:19:55 -942
Lakeview 08:04:52 -61.5 Dark Up 39.9 248.8 Up 07:49:52 - 08:19:52 -975
Chiloquin 08:04:59 -61.0 Dark Up 40.8 247.2 Up 07:49:59 - 08:19:59 -988
Klamath Falls 08:04:56 -61.3 Dark Up 40.9 247.5 Up 07:49:56 - 08:19:56 -1012
Cedarville 08:04:47 -62.1 Dark Up 40.0 249.5 Up 07:49:47 - 08:19:47 -1019
Tulelake 08:04:54 -61.6 Dark Up 40.8 248.0 Up 07:49:54 - 08:19:54 -1023
Fall River/Burney 08:04:50 -62.5 Dark Up 41.0 248.8 Up 07:49:50 - 08:19:50 -1090
Susanville 08:04:44 -63.2 Dark Up 40.8 249.9 Up 07:49:44 - 08:19:44 -1117
Gimple 08:04:43 -63.5 Dark Up 41.0 250.0 Up 07:49:43 - 08:19:43 -1144
Greenville 08:04:44 -63.4 Dark Up 41.1 249.9 Up 07:49:44 - 08:19:44 -1146
Portola 08:04:41 -63.8 Dark Up 40.8 250.6 Up 07:49:41 - 08:19:41 -1158
Reno 08:04:37 -64.1 Dark Up 40.5 251.3 Up 07:49:37 - 08:19:37 -1160
Quincy 08:04:42 -63.6 Dark Up 41.1 250.1 Up 07:49:42 - 08:19:42 -1162
Yerington 08:04:32 -64.7 Dark Up 40.2 252.3 Up 07:49:32 - 08:19:32 -1184
Carson City 08:04:35 -64.5 Dark Up 40.6 251.6 Up 07:49:35 - 08:19:35 -1187
Tonopah 08:04:20 -65.7 Dark Down 39.0 254.6 Up 07:49:20 - 08:19:20 -1199
Hawthorne 08:04:27 -65.2 Dark Up 39.9 253.1 Up 07:49:27 - 08:19:27 -1204
Gardnerville 08:04:34 -64.7 Dark Up 40.6 251.9 Up 07:49:34 - 08:19:34 -1205
Lee Vining 08:04:26 -65.7 Dark Up 40.5 253.2 Up 07:49:26 - 08:19:26 -1263
Indian Springs 08:04:08 -67.1 Dark Down 38.2 256.9 Up 07:49:08 - 08:19:08 -1271
Beatty 08:04:13 -66.8 Dark Down 39.0 255.8 Up 07:49:13 - 08:19:13 -1277
Bishop 08:04:21 -66.4 Dark Down 40.1 254.2 Up 07:49:21 - 08:19:21 -1289
Henderson 08:04:03 -67.6 Dark Down 37.8 257.8 Up 07:49:03 - 08:19:03 -1293
Patrick 08:03:57 -68.1 Dark Down 37.1 259.0 Up 07:48:57 - 08:18:57 -1309
DCO 08:03:53 -68.3 Dark Down 36.6 259.7 Up 07:48:53 - 08:18:53 -1312
Kingman/Dolan Springs 08:03:56 -68.3 Dark Down 37.3 259.1 Up 07:48:56 - 08:18:56 -1333
Searchlight/Boulder City 08:04:00 -68.2 Dark Down 37.9 258.2 Up 07:49:00 - 08:19:00 -1337
Lone Pine 08:04:16 -67.1 Dark Down 40.1 255.1 Up 07:49:16 - 08:19:16 -1340
Laughlin/Bullhead City 08:03:57 -68.4 Dark Down 37.7 258.7 Up 07:48:57 - 08:18:57 -1350
Mohave Valley 08:03:56 -68.7 Dark Down 37.7 258.9 Up 07:48:56 - 08:18:56 -1372
Lake Havasu City 08:03:53 -69.1 Dark Down 37.6 259.4 Up 07:48:53 - 08:18:53 -1397
Parker 08:03:51 -69.4 Dark Down 37.7 259.7 Up 07:48:51 - 08:18:51 -1425
Blythe 08:03:50 -70.0 Dark Down 38.0 259.9 Up 07:48:50 - 08:18:50 -1477
CPSLO 08:04:19 -68.3 Dark Up 42.4 254.2 Up 07:49:19 - 08:19:19 -1524
Idyllwild 08:03:58 -70.0 Dark Down 39.7 258.3 Up 07:48:58 - 08:18:58 -1533
Calipatria 08:03:50 -70.5 Dark Down 38.9 259.6 Up 07:48:50 - 08:18:50 -1547
Yuma 08:03:46 -70.9 Dark Down 38.2 260.5 Up 07:48:46 - 08:18:46 -1555
Wildwood 08:04:06 -69.6 Dark Down 41.1 256.7 Up 07:49:06 - 08:19:06 -1561

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 14WR510, (2019/02/12 08:08UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.82  43
Alhena         06:37:42.8 +16:23:57  1.9  4.93  53
PPM 122364     06:22:36.3 +12:34:12  6.4  0.47  49
PPM 122343     06:21:45.0 +12:51:43  7.8  0.31  49
PPM 122360     06:22:24.8 +13:07:52  9.7  0.14  49
14WR510        06:22:48.6 +13:01:57 15.1        49
Positions are for J2000

Event circumstances last updated at 2018/01/16 17:05:52 UT

Marc W. Buie, Southwest Research Institute

RECON