RECON: TNO occultation with 14JK80

Event between 14JK80 and star GA0880:04990119 with event index number of 1110991

Geocentric closest approach at 2021/04/23 05:32:25 UTC

J2000 position of star is 16:46:39.8 -01:45:39
Equinox of date position of star is 16:47:46.0 -01:47:52
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 89 degrees from the moon. Moon is 79% illuminated.
TNO apparent brightness V=21.8

[RECON map]
TNO is 34.5 AU from the Sun and 33.8 AU from the Earth.
The TNO is moving 19.0 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is 1539 km.
The sky-plane scale is 24498.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=325.1 km assuming a 5% albedo -- 17.1 sec chord
Diameter=132.7 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14JK80, (2021/04/23 05:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.0 -26:28:39  0.9 25.02  91
1Del Oph       16:15:27.9 -03:44:52  2.7  8.30  82
12 Oph         16:37:28.7 -02:22:07  5.8  2.63  87
PPM 179917     16:47:30.8 -01:23:53  8.5  0.40  89
PPM 179927     16:49:09.1 -01:54:07  9.6  0.36  89
PPM 179921     16:48:23.3 -02:01:01 10.5  0.27  89
14JK80         16:47:46.1 -01:47:52 16.7        89
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 5.0 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 05:37:28 -20.3 Dark Up 8.1 102.7 Really Low 05:28:57 - 05:45:59 -1558
Kelowna 05:37:28 -20.5 Dark Up 8.1 102.5 Really Low 05:28:57 - 05:45:59 -1599
Peachland 05:37:28 -20.5 Dark Up 7.9 102.2 Really Low 05:28:57 - 05:45:59 -1613
Summerland 05:37:30 -20.6 Dark Up 8.0 102.3 Really Low 05:28:59 - 05:46:01 -1627
Penticton 05:37:29 -20.7 Dark Up 8.1 102.4 Really Low 05:28:58 - 05:46:00 -1633
Oliver 05:37:31 -21.0 Dark Up 8.2 102.3 Really Low 05:29:00 - 05:46:02 -1668
Anarchist Mountain Observatory 05:37:31 -21.2 Dark Up 8.3 102.5 Really Low 05:29:00 - 05:46:02 -1683
Tonasket 05:37:31 -21.5 Dark Up 8.3 102.4 Really Low 05:29:00 - 05:46:02 -1715
Okanogan 05:37:31 -21.7 Dark Up 8.3 102.2 Really Low 05:29:00 - 05:46:02 -1751
Victoria 05:37:34 -20.0 Dark Up 5.8 99.3 Really Low 05:29:03 - 05:46:05 -1771
Brewster 05:37:32 -21.8 Dark Up 8.2 102.0 Really Low 05:29:01 - 05:46:03 -1781
Manson/Chelan 05:37:33 -21.8 Dark Up 8.0 101.7 Really Low 05:29:02 - 05:46:04 -1806
Wenatchee 05:37:35 -22.1 Dark Up 8.0 101.5 Really Low 05:29:04 - 05:46:06 -1856
Ellensburg 05:37:35 -22.4 Dark Up 8.0 101.3 Really Low 05:29:04 - 05:46:06 -1901
Yakima 05:37:36 -22.7 Dark Up 8.0 101.2 Really Low 05:29:05 - 05:46:07 -1943
Pasco 05:37:35 -23.6 Dark Up 9.1 102.2 Really Low 05:29:04 - 05:46:06 -1962
Toppenish/White Swan 05:37:37 -22.9 Dark Up 8.2 101.3 Really Low 05:29:06 - 05:46:08 -1963
PNWRO 05:37:36 -23.9 Dark Up 9.3 102.4 Really Low 05:29:05 - 05:46:07 -1985
Goldendale 05:37:38 -23.2 Dark Up 8.0 100.9 Really Low 05:29:07 - 05:46:09 -2025
The Dalles 05:37:39 -23.2 Dark Up 7.8 100.6 Really Low 05:29:08 - 05:46:10 -2052
Maupin 05:37:39 -23.6 Dark Up 8.0 100.7 Really Low 05:29:08 - 05:46:10 -2094
Redmond 05:37:41 -24.2 Dark Up 8.1 100.5 Really Low 05:29:10 - 05:46:12 -2189
Sisters 05:37:41 -24.0 Dark Up 7.8 100.2 Really Low 05:29:10 - 05:46:12 -2191
Bend 05:37:41 -24.3 Dark Up 8.0 100.3 Really Low 05:29:10 - 05:46:12 -2213
Oregon Observatory 05:37:42 -24.4 Dark Up 8.0 100.2 Really Low 05:29:11 - 05:46:13 -2233
La Pine/Gilchrist 05:37:42 -24.5 Dark Up 7.9 100.1 Really Low 05:29:11 - 05:46:13 -2255
North Lake 05:37:42 -25.2 Dark Up 8.5 100.5 Really Low 05:29:11 - 05:46:13 -2294
Paisley 05:37:43 -25.8 Dark Up 8.8 100.7 Really Low 05:29:12 - 05:46:14 -2349
Dunrhomin 05:37:25 -33.9 Dark Up 20.5 111.1 Low 05:28:54 - 05:45:56 -2362
Chiloquin 05:37:44 -25.2 Dark Up 7.9 99.8 Really Low 05:29:13 - 05:46:15 -2376
Lakeview 05:37:44 -26.2 Dark Up 9.1 100.7 Really Low 05:29:13 - 05:46:15 -2400
Klamath Falls 05:37:44 -25.5 Dark Up 8.0 99.8 Really Low 05:29:13 - 05:46:15 -2411
Cedarville 05:37:43 -26.8 Dark Up 9.3 100.8 Really Low 05:29:12 - 05:46:14 -2468
Fall River/Burney 05:37:47 -26.6 Dark Up 8.5 99.9 Really Low 05:29:16 - 05:46:18 -2532
Susanville 05:37:45 -27.5 Dark Up 9.2 100.3 Really Low 05:29:14 - 05:46:16 -2591
Gimple 05:37:46 -27.6 Dark Up 9.1 100.1 Really Low 05:29:15 - 05:46:17 -2623
Greenville 05:37:46 -27.5 Dark Up 9.0 100.0 Really Low 05:29:15 - 05:46:17 -2624
Quincy 05:37:47 -27.7 Dark Up 9.0 100.0 Really Low 05:29:16 - 05:46:18 -2646
Portola 05:37:46 -28.0 Dark Up 9.4 100.3 Really Low 05:29:15 - 05:46:17 -2654
Reno 05:37:47 -28.5 Dark Up 10.0 100.7 Really Low 05:29:16 - 05:46:18 -2675
Carson City 05:37:47 -28.8 Dark Up 10.0 100.6 Really Low 05:29:16 - 05:46:18 -2713
Yerington 05:37:47 -29.3 Dark Up 10.6 101.0 Really Low 05:29:16 - 05:46:18 -2726
Gardnerville 05:37:47 -29.0 Dark Up 10.1 100.6 Really Low 05:29:16 - 05:46:18 -2738
Hawthorne 05:37:47 -29.9 Dark Up 11.1 101.3 Really Low 05:29:16 - 05:46:18 -2769
Tonopah 05:37:46 -31.0 Dark Up 12.2 102.1 Really Low 05:29:15 - 05:46:17 -2800
Lee Vining 05:37:48 -30.1 Dark Up 10.8 100.9 Really Low 05:29:17 - 05:46:19 -2836
Bishop 05:37:48 -30.9 Dark Up 11.5 101.2 Really Low 05:29:17 - 05:46:19 -2891
Beatty 05:37:45 -32.1 Dark Up 12.8 102.1 Really Low 05:29:14 - 05:46:16 -2918
Indian Springs 05:37:45 -32.9 Dark Up 13.7 102.8 Really Low 05:29:14 - 05:46:16 -2937
Henderson 05:37:45 -33.6 Dark Up 14.4 103.1 Really Low 05:29:14 - 05:46:16 -2984
Patrick 05:37:44 -34.7 Dark Up 15.4 103.6 Really Low 05:29:13 - 05:46:15 -3033
Kingman/Dolan Springs 05:37:44 -34.8 Dark Up 15.3 103.4 Really Low 05:29:13 - 05:46:15 -3060
Laughlin/Bullhead City 05:37:44 -34.5 Dark Up 14.9 103.1 Really Low 05:29:13 - 05:46:15 -3071
Mohave Valley 05:37:45 -34.8 Dark Up 15.0 103.0 Really Low 05:29:14 - 05:46:16 -3100
Lake Havasu City 05:37:45 -35.2 Dark Up 15.3 103.1 Really Low 05:29:14 - 05:46:16 -3139
CPSLO 05:37:52 -31.3 Dark Up 10.0 99.4 Really Low 05:29:21 - 05:46:23 -3142
Parker 05:37:45 -35.5 Dark Up 15.4 103.0 Really Low 05:29:14 - 05:46:16 -3177
George/Scottsdale 05:37:42 -37.0 Dark Up 17.4 104.4 Really Low 05:29:11 - 05:46:13 -3180
Blythe 05:37:46 -35.8 Dark Up 15.3 102.7 Really Low 05:29:15 - 05:46:17 -3238
Wildwood 05:37:50 -33.4 Dark Up 11.9 100.4 Really Low 05:29:19 - 05:46:21 -3247
Idyllwild 05:37:49 -34.6 Dark Up 13.5 101.5 Really Low 05:29:18 - 05:46:20 -3259
Calipatria 05:37:47 -35.7 Dark Up 14.6 102.0 Really Low 05:29:16 - 05:46:18 -3307
Yuma 05:37:46 -36.5 Dark Up 15.4 102.4 Really Low 05:29:15 - 05:46:17 -3339

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 14JK80, (2021/04/23 05:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.02  91
1Del Oph       16:14:20.7 -03:41:43  2.7  8.30  82
12 Oph         16:36:22.1 -02:19:35  5.8  2.63  87
PPM 179917     16:46:24.7 -01:21:39  8.5  0.40  89
PPM 179927     16:48:02.7 -01:51:56  9.6  0.36  89
PPM 179921     16:47:16.9 -01:58:49 10.5  0.27  89
14JK80         16:46:39.8 -01:45:39 16.7        89
Positions are for J2000

Event circumstances last updated at 2021/04/07 23:50:41 UT

Marc W. Buie, Southwest Research Institute

RECON