RECON: TNO occultation with 14KD102

Event between 14KD102 and star GA0720:18722339 with event index number of 1144375

Geocentric closest approach at 2021/05/30 06:10:14 UTC

J2000 position of star is 17:59:42.8 -16:18:25
Equinox of date position of star is 18:00:55.6 -16:18:24
Stellar brightness G=13.4, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 33 degrees from the moon. Moon is 81% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.8 AU from the Sun and 29.9 AU from the Earth.
The TNO is moving 21.4 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 787 seconds.
The 1-sigma cross-track error in the shadow position is 2632 km.
The sky-plane scale is 21686.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 9.4 sec chord
Diameter=81.8 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KD102, (2021/05/30 06:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.4 -26:28:40  0.9 23.28  51
35Eta Oph      17:11:36.5 -15:45:00  2.6 11.87  45
6 Sgr          18:02:37.8 -17:09:21  6.3  0.94  33
PPM 233879     18:01:26.9 -16:03:59  7.6  0.27  33
PPM 233845     18:00:12.9 -16:19:58  9.5  0.18  33
14KD102        18:00:57.0 -16:18:24 13.4        33
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 1.1 sigma about the mid-time.
The median site spacing is 20.9 km RECON observability=0.3 and success probability=7.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 06:12:54 -14.5 AT Down 11.2 133.3 Really Low 05:57:54 - 06:27:54 2760
Kelowna 06:12:56 -14.8 AT Down 11.4 133.1 Really Low 05:57:56 - 06:27:56 2734
Peachland 06:12:56 -14.8 AT Down 11.4 132.9 Really Low 05:57:56 - 06:27:56 2723
Summerland 06:12:57 -15.0 AT Down 11.5 132.9 Really Low 05:57:57 - 06:27:57 2716
Penticton 06:12:57 -15.1 AT Down 11.6 133.0 Really Low 05:57:57 - 06:27:57 2714
Oliver 06:12:58 -15.4 AT Down 11.8 133.0 Really Low 05:57:58 - 06:27:58 2693
Anarchist Mountain Observatory 06:12:58 -15.6 AT Down 12.1 133.1 Really Low 05:57:58 - 06:27:58 2688
Tonasket 06:12:59 -15.9 AT Down 12.2 133.0 Really Low 05:57:59 - 06:27:59 2668
Okanogan 06:13:00 -16.1 AT Down 12.4 132.8 Really Low 05:58:00 - 06:28:00 2645
Brewster 06:13:01 -16.3 AT Down 12.5 132.6 Really Low 05:58:01 - 06:28:01 2625
Manson/Chelan 06:13:02 -16.4 AT Down 12.4 132.3 Really Low 05:58:02 - 06:28:02 2605
Victoria 06:13:07 -14.9 AT Down 10.4 129.7 Really Low 05:58:07 - 06:28:07 2581
Wenatchee 06:13:04 -16.8 AT Down 12.7 132.1 Really Low 05:58:04 - 06:28:04 2573
Ellensburg 06:13:06 -17.1 AT Down 12.8 131.8 Really Low 05:58:06 - 06:28:06 2543
Pasco 06:13:04 -18.2 Dark Down 14.1 132.9 Really Low 05:58:04 - 06:28:04 2525
Yakima 06:13:07 -17.5 AT Down 13.1 131.7 Really Low 05:58:07 - 06:28:07 2517
PNWRO 06:13:04 -18.5 Dark Down 14.3 133.0 Really Low 05:58:04 - 06:28:04 2514
Toppenish/White Swan 06:13:07 -17.7 AT Down 13.3 131.8 Really Low 05:58:07 - 06:28:07 2507
Goldendale 06:13:09 -18.1 Dark Down 13.5 131.4 Really Low 05:58:09 - 06:28:09 2464
The Dalles 06:13:11 -18.2 Dark Down 13.4 131.1 Really Low 05:58:11 - 06:28:11 2442
Maupin 06:13:12 -18.6 Dark Down 13.8 131.1 Really Low 05:58:12 - 06:28:12 2417
Dunrhomin 06:12:38 -27.0 Dark Down 25.2 143.7 Low 05:57:38 - 06:27:38 2402
Redmond 06:13:14 -19.4 Dark Down 14.3 130.8 Really Low 05:58:14 - 06:28:14 2356
Sisters 06:13:15 -19.2 Dark Down 14.1 130.5 Really Low 05:58:15 - 06:28:15 2349
Bend 06:13:15 -19.5 Dark Down 14.4 130.7 Really Low 05:58:15 - 06:28:15 2339
Oregon Observatory 06:13:16 -19.6 Dark Down 14.4 130.5 Really Low 05:58:16 - 06:28:16 2325
La Pine/Gilchrist 06:13:17 -19.8 Dark Down 14.5 130.4 Really Low 05:58:17 - 06:28:17 2310
North Lake 06:13:16 -20.4 Dark Down 15.2 130.8 Really Low 05:58:16 - 06:28:16 2293
Paisley 06:13:17 -21.0 Dark Down 15.7 131.0 Really Low 05:58:17 - 06:28:17 2263
Lakeview 06:13:17 -21.5 Dark Down 16.2 131.1 Really Low 05:58:17 - 06:28:17 2233
Klamath Falls 06:13:20 -21.0 Dark Down 15.3 129.9 Really Low 05:58:20 - 06:28:20 2205
Cedarville 06:13:18 -22.2 Dark Down 16.7 131.1 Really Low 05:58:18 - 06:28:18 2191
Fall River/Burney 06:13:23 -22.2 Dark Down 16.3 130.0 Really Low 05:58:23 - 06:28:23 2130
Susanville 06:13:22 -23.0 Dark Down 17.2 130.4 Really Low 05:58:22 - 06:28:22 2101
Gimple 06:13:23 -23.2 Dark Down 17.2 130.2 Really Low 05:58:23 - 06:28:23 2077
Greenville 06:13:24 -23.1 Dark Down 17.2 130.2 Really Low 05:58:24 - 06:28:24 2075
Portola 06:13:23 -23.6 Dark Down 17.7 130.5 Really Low 05:58:23 - 06:28:23 2062
Quincy 06:13:24 -23.3 Dark Down 17.3 130.1 Really Low 05:58:24 - 06:28:24 2060
Reno 06:13:22 -24.1 Dark Down 18.2 130.9 Really Low 05:58:22 - 06:28:22 2057
Carson City 06:13:23 -24.4 Dark Down 18.5 130.8 Really Low 05:58:23 - 06:28:23 2031
Yerington 06:13:22 -24.8 Dark Down 19.0 131.3 Really Low 05:58:22 - 06:28:22 2031
Gardnerville 06:13:24 -24.6 Dark Down 18.6 130.8 Really Low 05:58:24 - 06:28:24 2015
Hawthorne 06:13:22 -25.4 Dark Down 19.6 131.6 Really Low 05:58:22 - 06:28:22 2009
Tonopah 06:13:19 -26.3 Dark Down 20.7 132.6 Low 05:58:19 - 06:28:19 2006
Lee Vining 06:13:24 -25.7 Dark Down 19.7 131.1 Really Low 05:58:24 - 06:28:24 1957
Beatty 06:13:20 -27.5 Dark Down 21.8 132.7 Low 05:58:20 - 06:28:20 1929
Indian Springs 06:13:17 -28.1 Dark Down 22.6 133.4 Low 05:58:17 - 06:28:17 1928
Bishop 06:13:23 -26.5 Dark Down 20.5 131.5 Low 05:58:23 - 06:28:23 1928
Henderson 06:13:16 -28.8 Dark Down 23.4 133.9 Low 05:58:16 - 06:28:16 1903
Patrick 06:13:14 -29.7 Dark Down 24.5 134.6 Low 05:58:14 - 06:28:14 1880
Kingman/Dolan Springs 06:13:15 -29.9 Dark Down 24.5 134.3 Low 05:58:15 - 06:28:15 1858
Laughlin/Bullhead City 06:13:16 -29.8 Dark Down 24.2 133.9 Low 05:58:16 - 06:28:16 1845
Mohave Valley 06:13:17 -30.0 Dark Down 24.4 133.8 Low 05:58:17 - 06:28:17 1824
Lake Havasu City 06:13:17 -30.5 Dark Down 24.8 133.9 Low 05:58:17 - 06:28:17 1799
George/Scottsdale 06:13:11 -31.9 Dark Down 26.8 135.7 Low 05:58:11 - 06:28:11 1792
Parker 06:13:17 -30.8 Dark Down 25.1 133.8 Low 05:58:17 - 06:28:17 1772
Blythe 06:13:19 -31.2 Dark Down 25.3 133.4 Low 05:58:19 - 06:28:19 1724
CPSLO 06:13:33 -27.5 Dark Down 20.4 129.1 Low 05:58:33 - 06:28:33 1717
Idyllwild 06:13:25 -30.4 Dark Down 23.9 131.7 Low 05:58:25 - 06:28:25 1686
Wildwood 06:13:30 -29.4 Dark Down 22.5 130.4 Low 05:58:30 - 06:28:30 1670
Calipatria 06:13:23 -31.3 Dark Down 25.1 132.5 Low 05:58:23 - 06:28:23 1663
Yuma 06:13:21 -32.0 Dark Down 25.9 133.0 Low 05:58:21 - 06:28:21 1649

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, (2021/05/30 06:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 23.28  51
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.87  45
6 Sgr          18:01:23.1 -17:09:25  6.3  0.94  33
PPM 233879     18:00:12.8 -16:04:00  7.6  0.27  33
PPM 233845     17:58:58.6 -16:19:58  9.5  0.18  33
14KD102        17:59:42.8 -16:18:25 13.4        33
Positions are for J2000

Event circumstances last updated at 2021/01/02 20:04:48 UT

Marc W. Buie, Southwest Research Institute

RECON