RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0760:16983486 with event index number of 1111222

Geocentric closest approach at 2021/06/26 10:45:12 UTC

J2000 position of star is 18:41:35.8 -13:57:38
Equinox of date position of star is 18:42:48.2 -13:56:20
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 22 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 18.2 AU from the Sun and 17.2 AU from the Earth.
The TNO is moving 21.2 km/sec on the sky relative to the star, or, 6.1 arcsec/hr.
The 1-sigma error in the time of the event is 169 seconds.
The 1-sigma cross-track error in the shadow position is 2137 km.
The sky-plane scale is 12483.2 km/arcsec.

The TNO has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 3.3 sec chord
Diameter=28.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JE80, (2021/06/26 10:45UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.7 -26:28:40  0.9 33.30  48
Nunki          18:56:35.8 -26:16:05  2.0 12.74  16
PPM 234707     18:34:52.7 -14:50:09  6.1  2.12  23
PPM 234878     18:42:08.0 -14:29:03  8.0  0.57  22
PPM 234856     18:40:52.4 -13:46:21  9.7  0.50  22
14JE80         18:42:48.9 -13:56:19 16.4        22
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 28.3 km RECON observability=0.5 and success probability=1.0%
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 10:42:21 -8.1 NT Up 18.6 216.6 Really Low 10:27:44 - 10:56:58 7909
Victoria 10:42:28 -11.1 NT Up 21.5 213.1 Low 10:27:51 - 10:57:05 7900
Peachland 10:42:21 -8.7 NT Up 19.2 216.3 Really Low 10:27:44 - 10:56:58 7889
Kelowna 10:42:20 -8.5 NT Up 19.0 216.6 Really Low 10:27:43 - 10:56:57 7889
Summerland 10:42:20 -8.8 NT Up 19.2 216.4 Really Low 10:27:43 - 10:56:57 7877
Penticton 10:42:20 -8.8 NT Up 19.3 216.6 Really Low 10:27:43 - 10:56:57 7870
Oliver 10:42:19 -9.1 NT Up 19.5 216.6 Really Low 10:27:42 - 10:56:56 7848
Anarchist Mountain Observatory 10:42:18 -9.1 NT Up 19.6 216.8 Really Low 10:27:41 - 10:56:55 7832
Tonasket 10:42:18 -9.4 NT Up 19.9 216.8 Really Low 10:27:41 - 10:56:55 7814
Okanogan 10:42:19 -9.7 NT Up 20.2 216.8 Low 10:27:42 - 10:56:56 7795
Brewster 10:42:19 -10.0 NT Up 20.5 216.6 Low 10:27:42 - 10:56:56 7783
Manson/Chelan 10:42:20 -10.4 NT Up 20.8 216.3 Low 10:27:43 - 10:56:57 7778
Wenatchee 10:42:19 -10.8 NT Up 21.3 216.3 Low 10:27:42 - 10:56:56 7751
Ellensburg 10:42:19 -11.2 NT Up 21.7 216.2 Low 10:27:42 - 10:56:56 7729
Yakima 10:42:18 -11.6 NT Up 22.0 216.3 Low 10:27:41 - 10:56:55 7702
Toppenish/White Swan 10:42:18 -11.7 NT Up 22.1 216.5 Low 10:27:41 - 10:56:55 7683
Goldendale 10:42:18 -12.3 AT Up 22.8 216.2 Low 10:27:41 - 10:56:55 7657
The Dalles 10:42:19 -12.6 AT Up 23.1 215.9 Low 10:27:42 - 10:56:56 7651
Pasco 10:42:14 -11.2 NT Up 21.7 217.7 Low 10:27:37 - 10:56:51 7642
Maupin 10:42:18 -12.9 AT Up 23.4 216.1 Low 10:27:41 - 10:56:55 7619
PNWRO 10:42:13 -11.3 NT Up 21.8 218.0 Low 10:27:36 - 10:56:50 7619
Sisters 10:42:18 -13.8 AT Up 24.3 215.9 Low 10:27:41 - 10:56:55 7571
Redmond 10:42:17 -13.7 AT Up 24.2 216.3 Low 10:27:40 - 10:56:54 7559
Bend 10:42:17 -13.9 AT Up 24.4 216.2 Low 10:27:40 - 10:56:54 7548
Oregon Observatory 10:42:17 -14.1 AT Up 24.6 216.1 Low 10:27:40 - 10:56:54 7539
La Pine/Gilchrist 10:42:17 -14.3 AT Up 24.8 216.1 Low 10:27:40 - 10:56:54 7526
North Lake 10:42:15 -14.4 AT Up 24.9 216.8 Low 10:27:38 - 10:56:52 7479
Chiloquin 10:42:17 -15.4 AT Up 25.8 216.1 Low 10:27:40 - 10:56:54 7456
Paisley 10:42:13 -14.7 AT Up 25.1 217.3 Low 10:27:36 - 10:56:50 7429
Klamath Falls 10:42:16 -15.6 AT Up 26.1 216.2 Low 10:27:39 - 10:56:53 7429
Lakeview 10:42:13 -15.0 AT Up 25.5 217.6 Low 10:27:36 - 10:56:50 7387
Cedarville 10:42:12 -15.5 AT Up 25.9 218.0 Low 10:27:35 - 10:56:49 7334
Fall River/Burney 10:42:14 -16.4 AT Up 26.8 216.9 Low 10:27:37 - 10:56:51 7332
Susanville 10:42:11 -16.6 AT Up 27.0 217.8 Low 10:27:34 - 10:56:48 7264
Greenville 10:42:12 -16.9 AT Up 27.4 217.6 Low 10:27:35 - 10:56:49 7251
Gimple 10:42:11 -16.9 AT Up 27.3 217.7 Low 10:27:34 - 10:56:48 7249
Quincy 10:42:11 -17.1 AT Up 27.5 217.7 Low 10:27:34 - 10:56:48 7236
Portola 10:42:10 -17.0 AT Up 27.4 218.2 Low 10:27:33 - 10:56:47 7213
Reno 10:42:08 -16.9 AT Up 27.3 218.9 Low 10:27:31 - 10:56:45 7174
Carson City 10:42:07 -17.1 AT Up 27.6 219.0 Low 10:27:30 - 10:56:44 7145
Gardnerville 10:42:07 -17.3 AT Up 27.7 219.2 Low 10:27:30 - 10:56:44 7125
Yerington 10:42:06 -17.0 AT Up 27.4 219.7 Low 10:27:29 - 10:56:43 7112
Hawthorne 10:42:04 -17.1 AT Up 27.5 220.3 Low 10:27:27 - 10:56:41 7060
Lee Vining 10:42:05 -17.8 AT Up 28.2 220.1 Low 10:27:28 - 10:56:42 7030
Tonopah 10:42:00 -16.8 AT Up 27.1 221.8 Low 10:27:23 - 10:56:37 6981
Bishop 10:42:01 -17.9 AT Up 28.3 220.9 Low 10:27:24 - 10:56:38 6961
Beatty 10:41:56 -17.4 AT Up 27.8 222.6 Low 10:27:19 - 10:56:33 6874
CPSLO 10:42:07 -20.6 Dark Up 31.0 219.6 Up 10:27:30 - 10:56:44 6862
Indian Springs 10:41:52 -17.1 AT Up 27.4 223.7 Low 10:27:15 - 10:56:29 6815
Dunrhomin 10:41:29 -8.7 NT Up 18.9 231.4 Really Low 10:26:52 - 10:56:06 6806
Henderson 10:41:50 -17.1 AT Up 27.4 224.5 Low 10:27:13 - 10:56:27 6749
Wildwood 10:41:59 -20.5 Dark Up 30.8 222.0 Up 10:27:22 - 10:56:36 6699
Laughlin/Bullhead City 10:41:47 -17.5 AT Up 27.8 225.2 Low 10:27:10 - 10:56:24 6664
Patrick 10:41:46 -17.0 AT Up 27.2 225.7 Low 10:27:09 - 10:56:23 6663
Kingman/Dolan Springs 10:41:47 -17.2 AT Up 27.5 225.6 Low 10:27:10 - 10:56:24 6650
Mohave Valley 10:41:47 -17.7 AT Up 28.0 225.3 Low 10:27:10 - 10:56:24 6641
Idyllwild 10:41:53 -19.8 Dark Up 30.1 223.8 Up 10:27:16 - 10:56:30 6610
Lake Havasu City 10:41:46 -17.9 AT Up 28.1 225.6 Low 10:27:09 - 10:56:23 6599
Parker 10:41:46 -18.1 Dark Up 28.4 225.8 Low 10:27:09 - 10:56:23 6568
Blythe 10:41:47 -18.7 Dark Up 28.9 225.7 Low 10:27:10 - 10:56:24 6533
Calipatria 10:41:49 -19.6 Dark Up 29.8 225.1 Low 10:27:12 - 10:56:26 6520
George/Scottsdale 10:41:38 -17.0 AT Up 27.2 228.0 Low 10:27:01 - 10:56:15 6456
Yuma 10:41:46 -19.4 Dark Up 29.6 226.1 Low 10:27:09 - 10:56:23 6455

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 14JE80, (2021/06/26 10:45UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.30  48
Nunki          18:55:15.9 -26:17:49  2.0 12.74  16
PPM 234707     18:33:39.1 -14:51:14  6.1  2.12  23
PPM 234878     18:40:54.6 -14:30:21  8.0  0.57  22
PPM 234856     18:39:39.4 -13:47:37  9.7  0.50  22
14JE80         18:41:35.8 -13:57:38 16.4        22
Positions are for J2000

Event circumstances last updated at 2021/04/08 23:40:48 UT

Marc W. Buie, Southwest Research Institute

RECON