RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1020:01740440 with event index number of 241714

Geocentric closest approach at 2019/02/12 08:08:15 UTC

J2000 position of star is 06:22:48.6 +13:01:57
Equinox of date position of star is 06:23:51.0 +13:01:20
Stellar brightness G=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 375 seconds.
The 1-sigma cross-track error in the shadow position is 3348 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 2.4 sigma about the mid-time.
The median site spacing is 15.2 km RECON observability=1.0 and success probability=8.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 08:06:10 -54.2 Dark Up 36.3 244.6 Up 07:51:10 - 08:21:10 -2104
Oroville 08:06:07 -54.8 Dark Up 36.5 245.1 Up 07:51:07 - 08:21:07 -2140
Tonasket 08:06:05 -55.0 Dark Up 36.6 245.2 Up 07:51:05 - 08:21:05 -2155
Okanogan 08:06:04 -55.4 Dark Up 36.8 245.3 Up 07:51:04 - 08:21:04 -2180
Brewster 08:06:03 -55.6 Dark Up 37.0 245.3 Up 07:51:03 - 08:21:03 -2203
Manson/Chelan 08:06:03 -55.8 Dark Up 37.3 245.1 Up 07:51:03 - 08:21:03 -2226
Entiat 08:06:01 -56.0 Dark Up 37.5 245.2 Up 07:51:01 - 08:21:01 -2243
Wenatchee 08:06:01 -56.3 Dark Up 37.7 245.3 Up 07:51:01 - 08:21:01 -2262
Ellensburg 08:05:59 -56.7 Dark Up 38.0 245.3 Up 07:50:59 - 08:20:59 -2296
Pasco 08:05:50 -57.5 Dark Up 37.4 247.2 Up 07:50:50 - 08:20:50 -2310
PNWRO 08:05:49 -57.7 Dark Up 37.3 247.5 Up 07:50:49 - 08:20:49 -2321
Yakima 08:05:57 -57.1 Dark Up 38.2 245.6 Up 07:50:57 - 08:20:57 -2324
Toppenish/White Swan 08:05:56 -57.3 Dark Up 38.1 245.9 Up 07:50:56 - 08:20:56 -2334
George/Umatilla 08:05:50 -57.8 Dark Up 37.7 247.2 Up 07:50:50 - 08:20:50 -2338
Niwot 08:04:39 -61.5 Dark Down 29.4 262.2 Low 07:49:39 - 08:19:39 -2365
Goldendale 08:05:54 -57.8 Dark Up 38.6 245.9 Up 07:50:54 - 08:20:54 -2384
The Dalles 08:05:54 -58.0 Dark Up 39.0 245.7 Up 07:50:54 - 08:20:54 -2409
Maupin 08:05:52 -58.5 Dark Up 39.1 246.1 Up 07:50:52 - 08:20:52 -2436
Madras/Culver 08:05:49 -59.0 Dark Up 39.3 246.5 Up 07:50:49 - 08:20:49 -2475
Redmond 08:05:47 -59.3 Dark Up 39.5 246.7 Up 07:50:47 - 08:20:47 -2502
Sisters 08:05:49 -59.3 Dark Up 39.8 246.3 Up 07:50:49 - 08:20:49 -2512
Bend 08:05:47 -59.5 Dark Up 39.7 246.7 Up 07:50:47 - 08:20:47 -2522
Oregon Observatory 08:05:46 -59.7 Dark Up 39.8 246.7 Up 07:50:46 - 08:20:46 -2538
La Pine/Gilchrist 08:05:46 -59.9 Dark Up 40.0 246.8 Up 07:50:46 - 08:20:46 -2554
North Lake 08:05:41 -60.4 Dark Up 39.7 247.7 Up 07:50:41 - 08:20:41 -2569
Paisley 08:05:37 -61.0 Dark Up 39.7 248.4 Up 07:50:37 - 08:20:37 -2600
Lakeview 08:05:34 -61.5 Dark Up 39.8 249.0 Up 07:50:34 - 08:20:34 -2632
Chiloquin 08:05:40 -61.0 Dark Up 40.7 247.3 Up 07:50:40 - 08:20:40 -2646
Klamath Falls 08:05:38 -61.3 Dark Up 40.7 247.7 Up 07:50:38 - 08:20:38 -2669
Cedarville 08:05:30 -62.1 Dark Up 39.9 249.6 Up 07:50:30 - 08:20:30 -2676
Tulelake 08:05:37 -61.6 Dark Up 40.6 248.2 Up 07:50:37 - 08:20:37 -2681
Fall River/Burney 08:05:32 -62.5 Dark Up 40.9 249.0 Up 07:50:32 - 08:20:32 -2747
Susanville 08:05:26 -63.2 Dark Up 40.6 250.1 Up 07:50:26 - 08:20:26 -2774
Gimple 08:05:25 -63.5 Dark Up 40.9 250.1 Up 07:50:25 - 08:20:25 -2802
Greenville 08:05:26 -63.5 Dark Up 40.9 250.1 Up 07:50:26 - 08:20:26 -2804
Portola 08:05:22 -63.8 Dark Up 40.7 250.7 Up 07:50:22 - 08:20:22 -2815
Reno 08:05:19 -64.1 Dark Up 40.3 251.5 Up 07:50:19 - 08:20:19 -2817
Quincy 08:05:24 -63.7 Dark Up 41.0 250.2 Up 07:50:24 - 08:20:24 -2819
Yerington 08:05:14 -64.7 Dark Up 40.0 252.5 Up 07:50:14 - 08:20:14 -2841
Carson City 08:05:17 -64.5 Dark Up 40.4 251.8 Up 07:50:17 - 08:20:17 -2844
Tonopah 08:05:03 -65.7 Dark Down 38.9 254.7 Up 07:50:03 - 08:20:03 -2857
Hawthorne 08:05:10 -65.2 Dark Up 39.8 253.3 Up 07:50:10 - 08:20:10 -2862
Gardnerville 08:05:16 -64.7 Dark Up 40.5 252.0 Up 07:50:16 - 08:20:16 -2862
Lee Vining 08:05:09 -65.8 Dark Up 40.3 253.3 Up 07:50:09 - 08:20:09 -2920
Indian Springs 08:04:50 -67.1 Dark Down 38.1 257.0 Up 07:49:50 - 08:19:50 -2928
Beatty 08:04:55 -66.8 Dark Down 38.8 256.0 Up 07:49:55 - 08:19:55 -2934
Bishop 08:05:03 -66.4 Dark Down 40.0 254.4 Up 07:50:03 - 08:20:03 -2946
Henderson 08:04:46 -67.6 Dark Down 37.7 257.9 Up 07:49:46 - 08:19:46 -2950
Patrick 08:04:38 -68.1 Dark Down 36.9 259.1 Up 07:49:38 - 08:19:38 -2966
DCO 08:04:35 -68.3 Dark Down 36.4 259.8 Up 07:49:35 - 08:19:35 -2970
Kingman/Dolan Springs 08:04:38 -68.3 Dark Down 37.1 259.2 Up 07:49:38 - 08:19:38 -2990
Searchlight/Boulder City 08:04:42 -68.1 Dark Down 37.8 258.4 Up 07:49:42 - 08:19:42 -2994
Lone Pine 08:04:58 -67.1 Dark Down 39.9 255.2 Up 07:49:58 - 08:19:58 -2997
Laughlin/Bullhead City 08:04:40 -68.4 Dark Down 37.5 258.8 Up 07:49:40 - 08:19:40 -3007
Mohave Valley 08:04:39 -68.7 Dark Down 37.6 259.0 Up 07:49:39 - 08:19:39 -3029
Lake Havasu City 08:04:36 -69.0 Dark Down 37.5 259.5 Up 07:49:36 - 08:19:36 -3054
Parker 08:04:34 -69.4 Dark Down 37.5 259.8 Up 07:49:34 - 08:19:34 -3082
Blythe 08:04:33 -69.9 Dark Down 37.9 260.0 Up 07:49:33 - 08:19:33 -3134
CPSLO 08:05:02 -68.3 Dark Up 42.3 254.3 Up 07:50:02 - 08:20:02 -3181
Idyllwild 08:04:40 -70.0 Dark Down 39.6 258.5 Up 07:49:40 - 08:19:40 -3190
Calipatria 08:04:33 -70.5 Dark Down 38.7 259.7 Up 07:49:33 - 08:19:33 -3204
Yuma 08:04:29 -70.9 Dark Down 38.1 260.7 Up 07:49:29 - 08:19:29 -3212
Wildwood 08:04:48 -69.6 Dark Down 41.0 256.9 Up 07:49:48 - 08:19:48 -3218

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 2018/06/11 17:21:58 UT

Marc W. Buie, Southwest Research Institute

RECON