RECON: TNO occultation with 14LM28

Event between 14LM28 and star UC4-597-055120 with event index number of 210709

Geocentric closest approach at 2019/08/20 05:27:52 UTC

J2000 position of star is 16:56:12.5 +29:19:51
Equinox of date position of star is 16:56:54.1 +29:18:14
Stellar brightness R=16.3, use SENSEUP=128
Star is 119 degrees from the moon. Moon is 81% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 17.0 AU from the Sun and 16.8 AU from the Earth.
The TNO is moving 13.4 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 878 seconds.
The 1-sigma cross-track error in the shadow position is 5474 km.
The sky-plane scale is 12206.4 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=73.1 km assuming a 5% albedo -- 5.4 sec chord
Diameter=29.8 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14LM28, (2019/08/20 05:28UT)
Object            RA         Dec     mag  sep  mel
Vega           18:37:36.2 +38:48:10  0.0 22.81  96
27Bet Her      16:31:03.9 +21:26:53  2.8  9.79 127
53 Her         16:53:42.8 +31:40:13  5.3  2.47 118
PPM 105338     16:55:47.7 +29:00:30  7.9  0.39 119
PPM 105366     16:57:35.9 +29:33:36  8.7  0.29 118
PPM 105372     16:57:42.7 +29:05:13 10.5  0.27 118
14LM28         16:56:58.7 +29:18:03 16.3       118
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 1.0 sigma about the mid-time.
The median site spacing is 21.3 km RECON observability=1.0 and success probability=8.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 05:23:41 -19.4 Dark Up 56.6 247.4 Up 05:08:41 - 05:38:41 801
Tonasket 05:23:41 -19.6 Dark Up 56.6 247.7 Up 05:08:41 - 05:38:41 780
Okanogan 05:23:44 -19.8 Dark Up 56.9 248.0 Up 05:08:44 - 05:38:44 755
Brewster 05:23:45 -19.9 Dark Up 57.1 248.2 Up 05:08:45 - 05:38:45 740
Manson/Chelan 05:23:48 -19.9 Dark Up 57.4 248.1 Up 05:08:48 - 05:38:48 736
Entiat 05:23:49 -20.0 Dark Up 57.5 248.3 Up 05:08:49 - 05:38:49 720
Wenatchee 05:23:50 -20.1 Dark Up 57.7 248.6 Up 05:08:50 - 05:38:50 701
Ellensburg 05:23:53 -20.4 Dark Up 57.9 249.0 Up 05:08:53 - 05:38:53 674
Yakima 05:23:55 -20.7 Dark Up 58.1 249.6 Up 05:08:55 - 05:38:55 638
Toppenish/White Swan 05:23:55 -20.9 Dark Up 58.0 250.1 Up 05:08:55 - 05:38:55 612
Goldendale 05:23:59 -21.1 Dark Up 58.5 250.5 Up 05:08:59 - 05:38:59 582
The Dalles 05:24:02 -21.1 Dark Up 58.8 250.4 Up 05:09:02 - 05:39:02 579
Pasco 05:23:52 -21.6 Dark Up 57.3 251.6 Up 05:08:52 - 05:38:52 545
Maupin 05:24:03 -21.5 Dark Up 58.9 251.2 Up 05:09:03 - 05:39:03 537
George/Umatilla 05:23:54 -21.7 Dark Up 57.5 251.9 Up 05:08:54 - 05:38:54 525
PNWRO 05:23:52 -21.9 Dark Up 57.2 252.2 Up 05:08:52 - 05:38:52 513
Madras/Culver 05:24:06 -21.8 Dark Up 59.1 252.0 Up 05:09:06 - 05:39:06 490
Sisters 05:24:10 -21.9 Dark Up 59.5 252.1 Up 05:09:10 - 05:39:10 482
Redmond 05:24:08 -22.1 Dark Up 59.2 252.6 Up 05:09:08 - 05:39:08 461
Bend 05:24:10 -22.2 Dark Up 59.4 252.8 Up 05:09:10 - 05:39:10 449
Oregon Observatory 05:24:11 -22.2 Dark Up 59.5 252.9 Up 05:09:11 - 05:39:11 440
La Pine/Gilchrist 05:24:13 -22.3 Dark Up 59.6 253.2 Up 05:09:13 - 05:39:13 425
North Lake 05:24:12 -23.0 Dark Up 59.3 254.5 Up 05:09:12 - 05:39:12 359
Chiloquin 05:24:19 -23.0 Dark Up 60.1 254.7 Up 05:09:19 - 05:39:19 345
Klamath Falls 05:24:21 -23.3 Dark Up 60.2 255.4 Up 05:09:21 - 05:39:21 312
Paisley 05:24:13 -23.5 Dark Up 59.2 255.8 Up 05:09:13 - 05:39:13 293
Tulelake 05:24:21 -23.6 Dark Up 60.0 256.1 Up 05:09:21 - 05:39:21 274
Lakeview 05:24:15 -24.0 Dark Up 59.2 256.8 Up 05:09:15 - 05:39:15 240
Fall River/Burney 05:24:25 -24.3 Dark Up 60.1 257.8 Up 05:09:25 - 05:39:25 191
Cedarville 05:24:18 -24.6 Dark Up 59.2 258.1 Up 05:09:18 - 05:39:18 174
Susanville 05:24:25 -25.2 Dark Up 59.7 259.5 Up 05:09:25 - 05:39:25 100
Greenville 05:24:28 -25.2 Dark Up 60.0 259.7 Up 05:09:28 - 05:39:28 91
Gimple 05:24:28 -25.2 Dark Up 59.9 259.8 Up 05:09:28 - 05:39:28 87
Quincy 05:24:29 -25.3 Dark Up 60.0 260.1 Up 05:09:29 - 05:39:29 73
Portola 05:24:28 -25.7 Dark Up 59.7 260.7 Up 05:09:28 - 05:39:28 39
Reno 05:24:26 -26.2 Dark Up 59.2 261.7 Up 05:09:26 - 05:39:26 -16
Carson City 05:24:28 -26.5 Dark Up 59.2 262.3 Up 05:09:28 - 05:39:28 -48
Gardnerville 05:24:29 -26.7 Dark Up 59.2 262.7 Up 05:09:29 - 05:39:29 -72
Yerington 05:24:26 -27.0 Dark Up 58.8 263.1 Up 05:09:26 - 05:39:26 -96
Hawthorne 05:24:27 -27.6 Dark Up 58.4 264.3 Up 05:09:27 - 05:39:27 -162
Lee Vining 05:24:32 -27.8 Dark Up 58.8 264.9 Up 05:09:32 - 05:39:32 -187
Tonopah 05:24:23 -28.7 Dark Up 57.4 266.0 Up 05:09:23 - 05:39:23 -270
Bishop 05:24:32 -28.6 Dark Up 58.3 266.3 Up 05:09:32 - 05:39:32 -274
CPSLO 05:24:52 -28.8 Dark Up 60.2 268.4 Up 05:09:52 - 05:39:52 -335
Lone Pine 05:24:34 -29.3 Dark Up 58.1 267.8 Up 05:09:34 - 05:39:34 -356
Beatty 05:24:27 -29.8 Dark Up 57.1 268.2 Up 05:09:27 - 05:39:27 -392
Indian Springs 05:24:24 -30.6 Dark Up 56.2 269.3 Up 05:09:24 - 05:39:24 -471
Wildwood 05:24:50 -30.9 Dark Up 58.5 271.6 Up 05:09:50 - 05:39:50 -542
Henderson 05:24:24 -31.4 Dark Up 55.6 270.5 Up 05:09:24 - 05:39:24 -549
Niwot 05:23:24 -32.4 Dark Up 48.2 271.1 Up 05:08:24 - 05:38:24 -559
Searchlight/Boulder City 05:24:26 -31.9 Dark Up 55.6 271.4 Up 05:09:26 - 05:39:26 -602
Laughlin/Bullhead City 05:24:26 -32.3 Dark Up 55.3 272.0 Up 05:09:26 - 05:39:26 -644
Patrick 05:24:22 -32.4 Dark Up 54.7 272.0 Up 05:09:22 - 05:39:22 -655
Kingman/Dolan Springs 05:24:23 -32.5 Dark Up 54.9 272.3 Up 05:09:23 - 05:39:23 -666
Idyllwild 05:24:43 -32.2 Dark Up 56.9 273.1 Up 05:09:43 - 05:39:43 -667
Mohave Valley 05:24:28 -32.5 Dark Up 55.3 272.4 Up 05:09:28 - 05:39:28 -668
DCO 05:24:20 -33.0 Dark Up 54.1 272.8 Up 05:09:20 - 05:39:20 -713
Lake Havasu City 05:24:29 -32.9 Dark Up 55.0 273.1 Up 05:09:29 - 05:39:29 -714
Parker 05:24:30 -33.2 Dark Up 55.0 273.6 Up 05:09:30 - 05:39:30 -746
Calipatria 05:24:41 -33.3 Dark Up 55.9 274.6 Up 05:09:41 - 05:39:41 -775
Blythe 05:24:34 -33.5 Dark Up 55.2 274.3 Up 05:09:34 - 05:39:34 -777
Yuma 05:24:39 -34.1 Dark Up 55.1 275.6 Up 05:09:39 - 05:39:39 -855

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 14LM28, (2019/08/20 05:28UT)
Object            RA         Dec     mag  sep  mel
Vega           18:36:56.6 +38:47:06  0.0 22.81  96
27Bet Her      16:30:13.1 +21:29:22  2.8  9.79 127
53 Her         16:52:57.9 +31:42:06  5.3  2.47 118
PPM 105338     16:55:01.4 +29:02:20  7.9  0.39 119
PPM 105366     16:56:49.9 +29:35:22  8.7  0.29 118
PPM 105372     16:56:56.3 +29:06:59 10.5  0.27 118
14LM28         16:56:12.5 +29:19:51 16.3       118
Positions are for J2000

Event circumstances last updated at 2017/09/01 17:02:01 UT

Marc W. Buie, Southwest Research Institute

RECON