RECON: TNO occultation with 14KD102

Event between 14KD102 and star GA0720:12973631 with event index number of 1049801

Geocentric closest approach at 2019/05/21 08:22:46 UTC

J2000 position of star is 17:40:35.4 -16:27:08
Equinox of date position of star is 17:41:41.7 -16:27:40
Stellar brightness G=16.9, use SENSEUP=128
Star is 7 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.8 AU from the Sun and 29.8 AU from the Earth.
The TNO is moving 20.5 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 429 seconds.
The 1-sigma cross-track error in the shadow position is 1113 km.
The sky-plane scale is 21644.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 9.8 sec chord
Diameter=81.8 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KD102, (2019/05/21 08:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.9 -26:28:24  0.9 19.30  21
35Eta Oph      17:11:29.5 -15:44:51  2.6  7.29  13
PPM 233351     17:38:43.0 -15:34:52  6.2  1.14   8
PPM 233531     17:45:27.1 -16:52:20  7.9  0.99   6
PPM 233477     17:43:13.5 -16:30:34  9.4  0.37   7
14KD102        17:41:42.7 -16:27:40 16.9         7
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 2.1 sigma about the mid-time.
The median site spacing is 12.8 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:24:26 -19.6 Dark Up 21.4 159.7 Low 08:09:26 - 08:39:26 9077
Summerland 08:24:28 -19.7 Dark Up 21.4 159.3 Low 08:09:28 - 08:39:28 9069
Penticton 08:24:28 -20.0 Dark Up 21.7 159.4 Low 08:09:28 - 08:39:28 9056
Okanagan Falls 08:24:27 -20.2 Dark Up 21.9 159.4 Low 08:09:27 - 08:39:27 9046
Oliver 08:24:27 -20.4 Dark Up 22.0 159.4 Low 08:09:27 - 08:39:27 9038
Anarchist Mountain Observatory 08:24:27 -20.5 Dark Up 22.2 159.6 Low 08:09:27 - 08:39:27 9033
Oroville 08:24:27 -20.6 Dark Up 22.3 159.5 Low 08:09:27 - 08:39:27 9028
Tonasket 08:24:28 -20.8 Dark Up 22.5 159.4 Low 08:09:28 - 08:39:28 9016
Okanogan 08:24:28 -21.2 Dark Up 22.8 159.2 Low 08:09:28 - 08:39:28 8996
Brewster 08:24:31 -21.5 Dark Up 23.0 159.0 Low 08:09:31 - 08:39:31 8979
Manson/Chelan 08:24:31 -21.7 Dark Up 23.1 158.6 Low 08:09:31 - 08:39:31 8962
Entiat 08:24:31 -21.9 Dark Up 23.3 158.5 Low 08:09:31 - 08:39:31 8949
Wenatchee 08:24:33 -22.2 Dark Up 23.5 158.4 Low 08:09:33 - 08:39:33 8934
Ellensburg 08:24:33 -22.6 Dark Up 23.8 158.1 Low 08:09:33 - 08:39:33 8908
Pasco 08:24:30 -23.2 Dark Up 24.9 159.4 Low 08:09:30 - 08:39:30 8890
Yakima 08:24:34 -23.0 Dark Up 24.2 158.0 Low 08:09:34 - 08:39:34 8886
PNWRO 08:24:28 -23.4 Dark Up 25.2 159.6 Low 08:09:28 - 08:39:28 8880
Toppenish/White Swan 08:24:34 -23.2 Dark Up 24.5 158.1 Low 08:09:34 - 08:39:34 8877
George/Umatilla 08:24:30 -23.6 Dark Up 25.1 159.1 Low 08:09:30 - 08:39:30 8868
Goldendale 08:24:35 -23.8 Dark Up 24.9 157.6 Low 08:09:35 - 08:39:35 8839
The Dalles 08:24:37 -24.0 Dark Up 25.0 157.2 Low 08:09:37 - 08:39:37 8820
Maupin 08:24:37 -24.4 Dark Up 25.4 157.2 Low 08:09:37 - 08:39:37 8798
Madras/Culver 08:24:38 -25.0 Dark Up 25.9 157.1 Low 08:09:38 - 08:39:38 8765
Redmond 08:24:39 -25.4 Dark Up 26.2 157.0 Low 08:09:39 - 08:39:39 8744
Sisters 08:24:40 -25.4 Dark Up 26.1 156.6 Low 08:09:40 - 08:39:40 8738
Niwot 08:23:40 -26.5 Dark Up 33.2 173.5 Up 08:08:40 - 08:38:40 8733
Bend 08:24:40 -25.6 Dark Up 26.4 156.8 Low 08:09:40 - 08:39:40 8729
SwRI 08:23:42 -26.6 Dark Up 33.3 173.4 Up 08:08:42 - 08:38:42 8725
Oregon Observatory 08:24:41 -25.8 Dark Up 26.5 156.6 Low 08:09:41 - 08:39:41 8716
La Pine/Gilchrist 08:24:40 -26.0 Dark Up 26.6 156.5 Low 08:09:40 - 08:39:40 8703
North Lake 08:24:38 -26.4 Dark Up 27.2 157.1 Low 08:09:38 - 08:39:38 8687
Paisley 08:24:38 -26.9 Dark Up 27.8 157.3 Low 08:09:38 - 08:39:38 8660
Lakeview 08:24:37 -27.4 Dark Up 28.3 157.4 Low 08:09:37 - 08:39:37 8632
Chiloquin 08:24:42 -27.1 Dark Up 27.6 155.9 Low 08:09:42 - 08:39:42 8629
Klamath Falls 08:24:43 -27.4 Dark Up 27.9 156.0 Low 08:09:43 - 08:39:43 8609
Tulelake 08:24:42 -27.7 Dark Up 28.2 156.2 Low 08:09:42 - 08:39:42 8598
Cedarville 08:24:38 -28.0 Dark Up 29.0 157.5 Low 08:09:38 - 08:39:38 8594
Fall River/Burney 08:24:41 -28.6 Dark Up 29.1 156.1 Low 08:09:41 - 08:39:41 8541
Susanville 08:24:40 -29.1 Dark Up 29.9 156.7 Low 08:09:40 - 08:39:40 8514
Gimple 08:24:41 -29.4 Dark Up 30.1 156.4 Up 08:09:41 - 08:39:41 8492
Greenville 08:24:42 -29.4 Dark Up 30.1 156.3 Up 08:09:42 - 08:39:42 8491
Portola 08:24:40 -29.7 Dark Up 30.5 156.8 Up 08:09:40 - 08:39:40 8478
Quincy 08:24:42 -29.6 Dark Up 30.2 156.3 Up 08:09:42 - 08:39:42 8478
Reno 08:24:37 -29.9 Dark Up 30.9 157.4 Up 08:09:37 - 08:39:37 8473
Carson City 08:24:38 -30.3 Dark Up 31.3 157.3 Up 08:09:38 - 08:39:38 8449
Yerington 08:24:35 -30.4 Dark Up 31.6 158.0 Up 08:09:35 - 08:39:35 8448
Gardnerville 08:24:38 -30.5 Dark Up 31.5 157.3 Up 08:09:38 - 08:39:38 8434
Hawthorne 08:24:34 -30.8 Dark Up 32.2 158.4 Up 08:09:34 - 08:39:34 8426
Tonopah 08:24:29 -31.1 Dark Up 33.1 159.8 Up 08:09:29 - 08:39:29 8420
Lee Vining 08:24:36 -31.4 Dark Up 32.6 157.8 Up 08:09:36 - 08:39:36 8379
Bishop 08:24:34 -31.9 Dark Up 33.4 158.4 Up 08:09:34 - 08:39:34 8351
Beatty 08:24:27 -32.1 Dark Up 34.3 160.1 Up 08:09:27 - 08:39:27 8349
Indian Springs 08:24:24 -32.3 Dark Up 34.9 161.2 Up 08:09:24 - 08:39:24 8345
Henderson 08:24:21 -32.7 Dark Up 35.5 161.8 Up 08:09:21 - 08:39:21 8320
Lone Pine 08:24:33 -32.6 Dark Up 34.2 158.6 Up 08:09:33 - 08:39:33 8305
Patrick 08:24:16 -33.1 Dark Up 36.4 162.9 Up 08:09:16 - 08:39:16 8295
DCO 08:24:14 -33.2 Dark Up 36.9 163.7 Up 08:09:14 - 08:39:14 8285
Searchlight/Boulder City 08:24:21 -33.2 Dark Up 36.1 161.8 Up 08:09:21 - 08:39:21 8280
Kingman/Dolan Springs 08:24:17 -33.3 Dark Up 36.6 162.7 Up 08:09:17 - 08:39:17 8276
Laughlin/Bullhead City 08:24:19 -33.4 Dark Up 36.5 162.1 Up 08:09:19 - 08:39:19 8265
Mohave Valley 08:24:20 -33.7 Dark Up 36.7 162.0 Up 08:09:20 - 08:39:20 8246
Lake Havasu City 08:24:19 -34.1 Dark Up 37.2 162.2 Up 08:09:19 - 08:39:19 8222
Parker 08:24:19 -34.4 Dark Up 37.5 162.2 Up 08:09:19 - 08:39:19 8197
CPSLO 08:24:44 -34.2 Dark Up 34.6 155.4 Up 08:09:44 - 08:39:44 8164
Blythe 08:24:19 -35.0 Dark Up 37.9 161.7 Up 08:09:19 - 08:39:19 8153
Idyllwild 08:24:28 -35.2 Dark Up 37.2 159.3 Up 08:09:28 - 08:39:28 8124
Wildwood 08:24:37 -35.2 Dark Up 36.3 157.3 Up 08:09:37 - 08:39:37 8115
Calipatria 08:24:24 -35.6 Dark Up 38.2 160.5 Up 08:09:24 - 08:39:24 8100
Yuma 08:24:21 -35.9 Dark Up 38.8 161.4 Up 08:09:21 - 08:39:21 8084

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 14KD102, (2019/05/21 08:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.30  21
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.29  13
PPM 233351     17:37:36.2 -15:34:15  6.2  1.14   8
PPM 233531     17:44:19.7 -16:51:54  7.9  0.99   6
PPM 233477     17:42:06.3 -16:30:05  9.4  0.37   7
14KD102        17:40:35.4 -16:27:08 16.9         7
Positions are for J2000

Event circumstances last updated at 2019/02/12 07:59:50 UT

Marc W. Buie, Southwest Research Institute

RECON