RECON: TNO occultation with 14KD102

Event between 14KD102 and star GA0720:18811174 with event index number of 1144370

Geocentric closest approach at 2021/05/27 05:42:16 UTC

J2000 position of star is 18:00:00.4 -16:18:45
Equinox of date position of star is 18:01:13.2 -16:18:44
Stellar brightness G=15.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 15 degrees from the moon. Moon is 99% 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 20.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 820 seconds.
The 1-sigma cross-track error in the shadow position is 1230 km.
The sky-plane scale is 21700.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 9.6 sec chord
Diameter=81.8 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KD102, (2021/05/27 05:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.4 -26:28:40  0.9 23.34   8
35Eta Oph      17:11:36.4 -15:45:00  2.6 11.94   8
6 Sgr          18:02:37.8 -17:09:21  6.3  0.91  15
PPM 233879     18:01:26.8 -16:03:59  7.6  0.25  15
PPM 233883     18:01:37.2 -16:31:19  9.4  0.23  15
14KD102        18:01:14.6 -16:18:44 15.2        15
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 0.0 km RECON observability=0.0 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)
Clarence Fulton 05:45:20 -12.9 AT Up 6.3 125.1 Really Low 05:30:20 - 06:00:20 8054
Kelowna 05:45:22 -13.2 AT Up 6.4 124.9 Really Low 05:30:22 - 06:00:22 8027
Peachland 05:45:23 -13.2 AT Up 6.3 124.7 Really Low 05:30:23 - 06:00:23 8014
Summerland 05:45:23 -13.4 AT Up 6.5 124.7 Really Low 05:30:23 - 06:00:23 8007
Penticton 05:45:23 -13.5 AT Up 6.6 124.8 Really Low 05:30:23 - 06:00:23 8005
Oliver 05:45:25 -13.8 AT Up 6.8 124.8 Really Low 05:30:25 - 06:00:25 7983
Anarchist Mountain Observatory 05:45:25 -14.0 AT Up 7.0 124.9 Really Low 05:30:25 - 06:00:25 7976
Tonasket 05:45:26 -14.2 AT Up 7.1 124.8 Really Low 05:30:26 - 06:00:26 7955
Okanogan 05:45:27 -14.5 AT Up 7.2 124.7 Really Low 05:30:27 - 06:00:27 7930
Brewster 05:45:28 -14.6 AT Up 7.3 124.5 Really Low 05:30:28 - 06:00:28 7909
Manson/Chelan 05:45:29 -14.7 AT Up 7.2 124.2 Really Low 05:30:29 - 06:00:29 7888
Victoria 05:45:33 -13.0 AT Up 5.0 121.7 Really Low 05:30:33 - 06:00:33 7860
Wenatchee 05:45:31 -15.0 AT Up 7.4 124.0 Really Low 05:30:31 - 06:00:31 7853
Ellensburg 05:45:33 -15.3 AT Up 7.5 123.8 Really Low 05:30:33 - 06:00:33 7821
Pasco 05:45:33 -16.5 AT Up 8.7 124.8 Really Low 05:30:33 - 06:00:33 7802
Yakima 05:45:35 -15.7 AT Up 7.7 123.7 Really Low 05:30:35 - 06:00:35 7793
PNWRO 05:45:33 -16.8 AT Up 9.0 125.0 Really Low 05:30:33 - 06:00:33 7790
Toppenish/White Swan 05:45:35 -15.9 AT Up 7.9 123.8 Really Low 05:30:35 - 06:00:35 7782
Goldendale 05:45:37 -16.2 AT Up 8.0 123.5 Really Low 05:30:37 - 06:00:37 7736
The Dalles 05:45:38 -16.3 AT Up 7.9 123.2 Really Low 05:30:38 - 06:00:38 7712
Dunrhomin 05:45:15 -26.1 Dark Up 20.3 134.9 Low 05:30:15 - 06:00:15 7692
Maupin 05:45:39 -16.7 AT Up 8.2 123.2 Really Low 05:30:39 - 06:00:39 7686
Redmond 05:45:43 -17.4 AT Up 8.6 123.0 Really Low 05:30:43 - 06:00:43 7621
Sisters 05:45:42 -17.2 AT Up 8.4 122.7 Really Low 05:30:42 - 06:00:42 7614
Bend 05:45:43 -17.5 AT Up 8.7 122.9 Really Low 05:30:43 - 06:00:43 7603
Oregon Observatory 05:45:44 -17.6 AT Up 8.7 122.8 Really Low 05:30:44 - 06:00:44 7588
La Pine/Gilchrist 05:45:44 -17.7 AT Up 8.8 122.7 Really Low 05:30:44 - 06:00:44 7572
North Lake 05:45:45 -18.4 Dark Up 9.4 123.1 Really Low 05:30:45 - 06:00:45 7554
Paisley 05:45:46 -19.0 Dark Up 9.9 123.3 Really Low 05:30:46 - 06:00:46 7523
Lakeview 05:45:46 -19.5 Dark Up 10.3 123.4 Really Low 05:30:46 - 06:00:46 7491
Klamath Falls 05:45:49 -18.9 Dark Up 9.4 122.3 Really Low 05:30:49 - 06:00:49 7460
Cedarville 05:45:48 -20.1 Dark Up 10.8 123.4 Really Low 05:30:48 - 06:00:48 7446
Fall River/Burney 05:45:52 -20.0 Dark Up 10.3 122.4 Really Low 05:30:52 - 06:00:52 7381
Susanville 05:45:52 -20.8 Dark Up 11.1 122.9 Really Low 05:30:52 - 06:00:52 7352
Gimple 05:45:52 -21.0 Dark Up 11.1 122.7 Really Low 05:30:52 - 06:00:52 7326
Greenville 05:45:52 -20.9 Dark Up 11.0 122.6 Really Low 05:30:52 - 06:00:52 7324
Portola 05:45:53 -21.4 Dark Up 11.5 122.9 Really Low 05:30:53 - 06:00:53 7311
Quincy 05:45:53 -21.1 Dark Up 11.2 122.6 Really Low 05:30:53 - 06:00:53 7308
Reno 05:45:53 -21.9 Dark Up 12.1 123.3 Really Low 05:30:53 - 06:00:53 7306
Yerington 05:45:53 -22.7 Dark Up 12.8 123.7 Really Low 05:30:53 - 06:00:53 7279
Carson City 05:45:54 -22.2 Dark Up 12.3 123.3 Really Low 05:30:54 - 06:00:54 7279
Gardnerville 05:45:54 -22.5 Dark Up 12.5 123.3 Really Low 05:30:54 - 06:00:54 7261
Hawthorne 05:45:53 -23.3 Dark Up 13.4 124.0 Really Low 05:30:53 - 06:00:53 7256
Tonopah 05:45:51 -24.2 Dark Up 14.6 124.9 Really Low 05:30:51 - 06:00:51 7255
Lee Vining 05:45:55 -23.5 Dark Up 13.4 123.5 Really Low 05:30:55 - 06:00:55 7201
Indian Springs 05:45:51 -26.1 Dark Up 16.5 125.7 Really Low 05:30:51 - 06:00:51 7176
Beatty 05:45:52 -25.4 Dark Up 15.6 125.0 Really Low 05:30:52 - 06:00:52 7175
Bishop 05:45:54 -24.4 Dark Up 14.2 123.9 Really Low 05:30:54 - 06:00:54 7171
Henderson 05:45:50 -26.9 Dark Up 17.2 126.1 Really Low 05:30:50 - 06:00:50 7150
Patrick 05:45:49 -27.9 Dark Up 18.3 126.8 Really Low 05:30:49 - 06:00:49 7128
Kingman/Dolan Springs 05:45:50 -28.0 Dark Up 18.3 126.6 Really Low 05:30:50 - 06:00:50 7106
Laughlin/Bullhead City 05:45:51 -27.8 Dark Up 18.0 126.2 Really Low 05:30:51 - 06:00:51 7091
Mohave Valley 05:45:51 -28.0 Dark Up 18.2 126.1 Really Low 05:30:51 - 06:00:51 7069
Lake Havasu City 05:45:52 -28.5 Dark Up 18.6 126.2 Really Low 05:30:52 - 06:00:52 7043
George/Scottsdale 05:45:47 -30.1 Dark Up 20.7 127.8 Low 05:30:47 - 06:00:47 7041
Parker 05:45:52 -28.8 Dark Up 18.8 126.1 Really Low 05:30:52 - 06:00:52 7015
Blythe 05:45:55 -29.2 Dark Up 18.9 125.8 Really Low 05:30:55 - 06:00:55 6965
CPSLO 05:46:04 -25.1 Dark Up 13.9 121.9 Really Low 05:31:04 - 06:01:04 6949
Idyllwild 05:45:59 -28.2 Dark Up 17.4 124.3 Really Low 05:30:59 - 06:00:59 6922
Wildwood 05:46:03 -27.0 Dark Up 15.9 123.1 Really Low 05:31:03 - 06:01:03 6902
Calipatria 05:45:58 -29.2 Dark Up 18.6 125.0 Really Low 05:30:58 - 06:00:58 6900
Yuma 05:45:56 -30.0 Dark Up 19.4 125.5 Really Low 05:30:56 - 06:00:56 6887

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, (2021/05/27 05:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 23.34   8
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.94   8
6 Sgr          18:01:23.1 -17:09:25  6.3  0.91  15
PPM 233879     18:00:12.8 -16:04:00  7.6  0.25  15
PPM 233883     18:00:22.9 -16:31:21  9.4  0.23  15
14KD102        18:00:00.4 -16:18:45 15.2        15
Positions are for J2000

Event circumstances last updated at 2021/01/02 20:02:05 UT

Marc W. Buie, Southwest Research Institute

RECON