RECON: TNO occultation with 14LP28

Event between 14LP28 and star GA0840:19844082 with event index number of 1044474

Geocentric closest approach at 2019/12/09 02:22:15 UTC

J2000 position of star is 21:57:58.3 -04:45:25
Equinox of date position of star is 21:58:59.2 -04:39:49
Stellar brightness G=14.8, use SENSEUP=128
Star is 71 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 39.2 AU from the Sun and 39.5 AU from the Earth.
The TNO is moving 14.4 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 225 seconds.
The 1-sigma cross-track error in the shadow position is 1766 km.
The sky-plane scale is 28649.1 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 23.1 sec chord
Diameter=135.2 km assuming a 30% albedo -- 9.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14LP28, (2019/12/09 02:22UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:44.9 -29:30:58  1.2 28.59  66
Markab         23:05:45.3 +15:18:46  2.5 25.92  51
PPM 205831     21:59:57.3 -04:16:43  6.2  0.45  70
PPM 205783     21:57:23.1 -04:39:40  7.5  0.41  71
PPM 205840     22:00:15.5 -04:34:43  9.7  0.32  70
14LP28         21:59:00.7 -04:39:40 14.8        70
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 4.0 sigma about the mid-time.
The median site spacing is 15.8 km RECON observability=1.0 and success probability=5.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 02:24:19 -22.7 Dark Up 31.3 209.2 Up 02:09:19 - 02:39:19 -3391
Summerland 02:24:18 -22.5 Dark Up 31.7 209.0 Up 02:09:18 - 02:39:18 -3410
Penticton 02:24:19 -22.5 Dark Up 31.7 209.1 Up 02:09:19 - 02:39:19 -3415
Okanagan Falls 02:24:19 -22.5 Dark Up 31.8 209.2 Up 02:09:19 - 02:39:19 -3427
Oliver 02:24:20 -22.5 Dark Up 32.0 209.3 Up 02:09:20 - 02:39:20 -3438
Anarchist Mountain Observatory 02:24:21 -22.6 Dark Up 32.1 209.5 Up 02:09:21 - 02:39:21 -3450
Oroville 02:24:21 -22.5 Dark Up 32.2 209.5 Up 02:09:21 - 02:39:21 -3455
Tonasket 02:24:21 -22.5 Dark Up 32.4 209.6 Up 02:09:21 - 02:39:21 -3471
Okanogan 02:24:21 -22.3 Dark Up 32.7 209.5 Up 02:09:21 - 02:39:21 -3493
Brewster 02:24:21 -22.1 Dark Up 33.0 209.3 Up 02:09:21 - 02:39:21 -3511
Manson/Chelan 02:24:20 -21.9 Dark Up 33.3 209.0 Up 02:09:20 - 02:39:20 -3524
Entiat 02:24:20 -21.8 Dark Up 33.5 209.0 Up 02:09:20 - 02:39:20 -3539
Wenatchee 02:24:20 -21.7 Dark Up 33.8 209.0 Up 02:09:20 - 02:39:20 -3556
Ellensburg 02:24:20 -21.4 Dark Up 34.2 208.8 Up 02:09:20 - 02:39:20 -3584
Yakima 02:24:20 -21.4 Dark Up 34.6 209.0 Up 02:09:20 - 02:39:20 -3612
Toppenish/White Swan 02:24:22 -21.4 Dark Up 34.7 209.2 Up 02:09:22 - 02:39:22 -3628
Pasco 02:24:29 -22.3 Dark Up 34.4 210.7 Up 02:09:29 - 02:39:29 -3641
PNWRO 02:24:30 -22.4 Dark Up 34.5 211.1 Up 02:09:30 - 02:39:30 -3660
George/Umatilla 02:24:28 -22.1 Dark Up 34.7 210.6 Up 02:09:28 - 02:39:28 -3664
Goldendale 02:24:21 -21.0 Dark Up 35.3 208.9 Up 02:09:21 - 02:39:21 -3666
The Dalles 02:24:20 -20.7 Dark Up 35.7 208.6 Up 02:09:20 - 02:39:20 -3681
Maupin 02:24:21 -20.7 Dark Up 36.0 208.8 Up 02:09:21 - 02:39:21 -3712
Madras/Culver 02:24:22 -20.6 Dark Up 36.5 209.0 Up 02:09:22 - 02:39:22 -3752
Sisters 02:24:20 -20.2 Dark Up 36.9 208.6 Up 02:09:20 - 02:39:20 -3775
Redmond 02:24:22 -20.5 Dark Up 36.8 209.1 Up 02:09:22 - 02:39:22 -3778
Bend 02:24:22 -20.3 Dark Up 37.0 209.0 Up 02:09:22 - 02:39:22 -3793
Oregon Observatory 02:24:22 -20.2 Dark Up 37.2 208.9 Up 02:09:22 - 02:39:22 -3806
La Pine/Gilchrist 02:24:22 -20.1 Dark Up 37.4 208.9 Up 02:09:22 - 02:39:22 -3821
North Lake 02:24:26 -20.5 Dark Up 37.6 209.8 Up 02:09:26 - 02:39:26 -3855
Paisley 02:24:29 -20.6 Dark Up 37.9 210.4 Up 02:09:29 - 02:39:29 -3898
Chiloquin 02:24:22 -19.6 Dark Up 38.5 208.9 Up 02:09:22 - 02:39:22 -3903
Klamath Falls 02:24:23 -19.6 Dark Up 38.8 209.1 Up 02:09:23 - 02:39:23 -3930
Lakeview 02:24:31 -20.6 Dark Up 38.3 210.9 Up 02:09:31 - 02:39:31 -3938
Tulelake 02:24:26 -19.8 Dark Up 38.9 209.6 Up 02:09:26 - 02:39:26 -3952
Cedarville 02:24:33 -20.6 Dark Up 38.8 211.4 Up 02:09:33 - 02:39:33 -3989
Fall River/Burney 02:24:28 -19.6 Dark Up 39.7 210.1 Up 02:09:28 - 02:39:28 -4023
Susanville 02:24:33 -20.0 Dark Up 39.9 211.3 Up 02:09:33 - 02:39:33 -4075
Greenville 02:24:32 -19.7 Dark Up 40.3 211.0 Up 02:09:32 - 02:39:32 -4096
Gimple 02:24:32 -19.8 Dark Up 40.3 211.1 Up 02:09:32 - 02:39:32 -4096
Quincy 02:24:32 -19.7 Dark Up 40.5 211.1 Up 02:09:32 - 02:39:32 -4112
Portola 02:24:35 -20.0 Dark Up 40.4 211.8 Up 02:09:35 - 02:39:35 -4124
Reno 02:24:39 -20.5 Dark Up 40.3 212.7 Up 02:09:39 - 02:39:39 -4148
Niwot 02:25:54 -31.9 Dark Up 32.4 228.5 Up 02:10:54 - 02:40:54 -4170
Carson City 02:24:40 -20.4 Dark Up 40.6 212.9 Up 02:09:40 - 02:39:40 -4177
SwRI 02:25:54 -31.8 Dark Up 32.5 228.4 Up 02:10:54 - 02:40:54 -4178
Yerington 02:24:44 -20.9 Dark Up 40.5 213.7 Up 02:09:44 - 02:39:44 -4195
Gardnerville 02:24:41 -20.4 Dark Up 40.8 213.1 Up 02:09:41 - 02:39:41 -4197
Hawthorne 02:24:48 -21.2 Dark Up 40.6 214.6 Up 02:09:48 - 02:39:48 -4235
Tonopah 02:24:57 -22.2 Dark Up 40.4 216.5 Up 02:09:57 - 02:39:57 -4279
Lee Vining 02:24:46 -20.7 Dark Up 41.3 214.3 Up 02:09:46 - 02:39:46 -4280
Bishop 02:24:52 -21.1 Dark Up 41.5 215.5 Up 02:09:52 - 02:39:52 -4332
Beatty 02:25:02 -22.3 Dark Up 41.0 217.7 Up 02:10:02 - 02:40:02 -4378
Lone Pine 02:24:55 -21.2 Dark Up 41.9 216.3 Up 02:09:55 - 02:39:55 -4397
Indian Springs 02:25:09 -23.1 Dark Up 40.8 219.1 Up 02:10:09 - 02:40:09 -4410
Henderson 02:25:14 -23.6 Dark Up 40.8 220.2 Up 02:10:14 - 02:40:14 -4459
CPSLO 02:24:42 -18.8 Dark Up 44.2 213.8 Up 02:09:42 - 02:39:42 -4497
Searchlight/Boulder City 02:25:15 -23.5 Dark Up 41.2 220.6 Up 02:10:15 - 02:40:15 -4508
Patrick 02:25:21 -24.3 Dark Up 40.7 221.9 Up 02:10:21 - 02:40:21 -4518
Laughlin/Bullhead City 02:25:18 -23.7 Dark Up 41.2 221.2 Up 02:10:18 - 02:40:18 -4535
Kingman/Dolan Springs 02:25:21 -24.1 Dark Up 40.9 221.8 Up 02:10:21 - 02:40:21 -4536
DCO 02:25:26 -24.9 Dark Up 40.5 222.8 Up 02:10:26 - 02:40:26 -4547
Mohave Valley 02:25:19 -23.7 Dark Up 41.4 221.4 Up 02:10:19 - 02:40:19 -4559
Lake Havasu City 02:25:21 -23.8 Dark Up 41.6 221.9 Up 02:10:21 - 02:40:21 -4595
Wildwood 02:24:56 -20.2 Dark Up 44.2 217.1 Up 02:09:56 - 02:39:56 -4610
Parker 02:25:22 -23.7 Dark Up 41.8 222.1 Up 02:10:22 - 02:40:22 -4626
Idyllwild 02:25:08 -21.6 Dark Up 43.5 219.6 Up 02:10:08 - 02:40:08 -4650
Blythe 02:25:21 -23.4 Dark Up 42.4 222.1 Up 02:10:21 - 02:40:21 -4670
Calipatria 02:25:17 -22.5 Dark Up 43.3 221.4 Up 02:10:17 - 02:40:17 -4709
Yuma 02:25:23 -23.1 Dark Up 43.1 222.7 Up 02:10:23 - 02:40:23 -4752

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 14LP28, (2019/12/09 02:22UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 28.59  66
Markab         23:04:45.7 +15:12:18  2.5 25.92  51
PPM 205831     21:58:55.0 -04:22:28  6.2  0.45  70
PPM 205783     21:56:20.6 -04:45:23  7.5  0.41  71
PPM 205840     21:59:13.2 -04:40:29  9.7  0.32  70
14LP28         21:57:58.3 -04:45:25 14.8        71
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:58:17 UT

Marc W. Buie, Southwest Research Institute

RECON