RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0740:21999144 with event index number of 1111227

Geocentric closest approach at 2021/07/01 11:19:50 UTC

J2000 position of star is 18:40:46.6 -14:00:49
Equinox of date position of star is 18:41:59.0 -13:59:32
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 86 degrees from the moon. Moon is 54% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 18.2 AU from the Sun and 17.2 AU from the Earth.
The TNO is moving 21.4 km/sec on the sky relative to the star, or, 6.2 arcsec/hr.
The 1-sigma error in the time of the event is 171 seconds.
The 1-sigma cross-track error in the shadow position is 1965 km.
The sky-plane scale is 12482.2 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 -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JE80, (2021/07/01 11:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.7 -26:28:40  0.9 33.10 115
Nunki          18:56:35.8 -26:16:05  2.0 12.74  83
PPM 234707     18:34:52.7 -14:50:09  6.1  1.92  88
PPM 234878     18:42:08.0 -14:29:03  8.0  0.49  86
PPM 234856     18:40:52.4 -13:46:21  9.7  0.35  86
14JE80         18:41:59.8 -13:59:31 16.2        86
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 11:16:25 -4.9 CT Up 12.6 228.9 Really Low 11:01:41 - 11:31:08 2266
Victoria 11:16:30 -8.0 NT Up 15.7 225.7 Really Low 11:01:47 - 11:31:14 2248
Kelowna 11:16:24 -5.3 CT Up 12.9 228.9 Really Low 11:01:41 - 11:31:08 2242
Peachland 11:16:24 -5.5 CT Up 13.1 228.6 Really Low 11:01:41 - 11:31:08 2242
Summerland 11:16:24 -5.6 CT Up 13.2 228.7 Really Low 11:01:40 - 11:31:07 2229
Penticton 11:16:24 -5.6 CT Up 13.2 228.9 Really Low 11:01:40 - 11:31:07 2221
Oliver 11:16:23 -5.8 CT Up 13.4 228.9 Really Low 11:01:39 - 11:31:06 2196
Anarchist Mountain Observatory 11:16:23 -5.9 CT Up 13.4 229.1 Really Low 11:01:39 - 11:31:06 2179
Tonasket 11:16:22 -6.1 NT Up 13.7 229.1 Really Low 11:01:38 - 11:31:05 2158
Okanogan 11:16:21 -6.4 NT Up 14.0 229.0 Really Low 11:01:38 - 11:31:05 2138
Brewster 11:16:21 -6.7 NT Up 14.3 228.9 Really Low 11:01:37 - 11:31:04 2123
Manson/Chelan 11:16:22 -7.0 NT Up 14.6 228.6 Really Low 11:01:38 - 11:31:05 2117
Wenatchee 11:16:21 -7.5 NT Up 15.0 228.6 Really Low 11:01:37 - 11:31:04 2087
Ellensburg 11:16:20 -7.9 NT Up 15.4 228.5 Really Low 11:01:37 - 11:31:04 2062
Yakima 11:16:20 -8.2 NT Up 15.6 228.5 Really Low 11:01:36 - 11:31:03 2033
Toppenish/White Swan 11:16:19 -8.2 NT Up 15.7 228.7 Really Low 11:01:36 - 11:31:03 2012
Goldendale 11:16:19 -8.9 NT Up 16.3 228.5 Really Low 11:01:35 - 11:31:02 1982
The Dalles 11:16:20 -9.2 NT Up 16.6 228.2 Really Low 11:01:36 - 11:31:03 1975
Pasco 11:16:16 -7.7 NT Up 15.1 229.8 Really Low 11:01:33 - 11:31:00 1969
PNWRO 11:16:15 -7.8 NT Up 15.2 230.1 Really Low 11:01:32 - 11:30:59 1944
Maupin 11:16:18 -9.4 NT Up 16.9 228.4 Really Low 11:01:35 - 11:31:02 1940
Sisters 11:16:18 -10.3 NT Up 17.7 228.2 Really Low 11:01:34 - 11:31:01 1887
Redmond 11:16:17 -10.2 NT Up 17.5 228.5 Really Low 11:01:33 - 11:31:00 1874
Bend 11:16:17 -10.4 NT Up 17.7 228.5 Really Low 11:01:33 - 11:31:00 1862
Oregon Observatory 11:16:16 -10.6 NT Up 17.9 228.4 Really Low 11:01:33 - 11:31:00 1852
La Pine/Gilchrist 11:16:17 -10.8 NT Up 18.1 228.4 Really Low 11:01:33 - 11:31:00 1838
North Lake 11:16:14 -10.8 NT Up 18.0 229.0 Really Low 11:01:31 - 11:30:58 1787
Chiloquin 11:16:16 -11.7 NT Up 19.0 228.4 Really Low 11:01:32 - 11:30:59 1761
Paisley 11:16:13 -11.0 NT Up 18.2 229.4 Really Low 11:01:29 - 11:30:56 1733
Klamath Falls 11:16:15 -12.0 NT Up 19.2 228.5 Really Low 11:01:31 - 11:30:58 1731
Lakeview 11:16:12 -11.3 NT Up 18.4 229.7 Really Low 11:01:28 - 11:30:55 1687
Cedarville 11:16:10 -11.7 NT Up 18.8 230.0 Really Low 11:01:27 - 11:30:54 1629
Fall River/Burney 11:16:12 -12.6 AT Up 19.8 229.1 Really Low 11:01:29 - 11:30:56 1626
Susanville 11:16:10 -12.7 AT Up 19.8 229.9 Really Low 11:01:26 - 11:30:53 1553
Greenville 11:16:10 -13.1 AT Up 20.1 229.8 Low 11:01:26 - 11:30:53 1539
Gimple 11:16:09 -13.0 AT Up 20.1 229.8 Low 11:01:26 - 11:30:53 1536
Quincy 11:16:09 -13.2 AT Up 20.2 229.8 Low 11:01:26 - 11:30:53 1522
Portola 11:16:08 -13.0 AT Up 20.0 230.2 Low 11:01:24 - 11:30:51 1498
Reno 11:16:06 -12.9 AT Up 19.8 230.8 Really Low 11:01:23 - 11:30:50 1456
Carson City 11:16:05 -13.1 AT Up 20.0 231.0 Low 11:01:22 - 11:30:49 1426
Gardnerville 11:16:05 -13.3 AT Up 20.2 231.1 Low 11:01:22 - 11:30:49 1404
Yerington 11:16:04 -12.9 AT Up 19.8 231.5 Really Low 11:01:20 - 11:30:47 1390
Hawthorne 11:16:02 -13.0 AT Up 19.7 232.1 Really Low 11:01:18 - 11:30:45 1335
Lee Vining 11:16:02 -13.6 AT Up 20.4 231.8 Low 11:01:19 - 11:30:46 1303
Tonopah 11:15:58 -12.5 AT Up 19.2 233.3 Really Low 11:01:14 - 11:30:41 1253
Bishop 11:16:00 -13.6 AT Up 20.3 232.6 Low 11:01:16 - 11:30:43 1229
Beatty 11:15:55 -13.0 AT Up 19.6 234.0 Really Low 11:01:11 - 11:30:38 1138
CPSLO 11:16:03 -16.4 AT Up 23.0 231.4 Low 11:01:19 - 11:30:46 1121
Dunrhomin 11:15:39 -3.9 CT Up 10.2 241.7 Really Low 11:00:55 - 11:30:22 1092
Indian Springs 11:15:52 -12.6 AT Up 19.1 234.9 Really Low 11:01:09 - 11:30:36 1076
Henderson 11:15:50 -12.5 AT Up 18.9 235.5 Really Low 11:01:07 - 11:30:34 1008
Wildwood 11:15:56 -16.0 AT Up 22.4 233.4 Low 11:01:13 - 11:30:40 949
Patrick 11:15:47 -12.3 AT Up 18.5 236.5 Really Low 11:01:03 - 11:30:30 917
Laughlin/Bullhead City 11:15:48 -12.9 AT Up 19.1 236.1 Really Low 11:01:04 - 11:30:31 917
Kingman/Dolan Springs 11:15:47 -12.5 AT Up 18.8 236.5 Really Low 11:01:03 - 11:30:30 903
Mohave Valley 11:15:48 -13.0 AT Up 19.3 236.2 Really Low 11:01:04 - 11:30:31 892
Idyllwild 11:15:51 -15.1 AT Up 21.4 235.0 Low 11:01:08 - 11:30:35 857
Lake Havasu City 11:15:46 -13.1 AT Up 19.3 236.5 Really Low 11:01:03 - 11:30:30 849
Parker 11:15:46 -13.4 AT Up 19.5 236.6 Really Low 11:01:03 - 11:30:30 816
Blythe 11:15:46 -13.9 AT Up 20.0 236.5 Low 11:01:02 - 11:30:29 778
Calipatria 11:15:47 -14.8 AT Up 20.9 236.0 Low 11:01:04 - 11:30:31 763
George/Scottsdale 11:15:40 -12.1 AT Up 18.0 238.4 Really Low 11:00:57 - 11:30:24 700
Yuma 11:15:45 -14.5 AT Up 20.5 236.8 Low 11:01:01 - 11:30:28 695

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, (2021/07/01 11:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.10 115
Nunki          18:55:15.9 -26:17:49  2.0 12.74  83
PPM 234707     18:33:39.1 -14:51:14  6.1  1.92  88
PPM 234878     18:40:54.6 -14:30:21  8.0  0.49  86
PPM 234856     18:39:39.4 -13:47:37  9.7  0.35  86
14JE80         18:40:46.6 -14:00:49 16.2        86
Positions are for J2000

Event circumstances last updated at 2021/04/08 23:40:57 UT

Marc W. Buie, Southwest Research Institute

RECON