RECON: TNO occultation with 14JU80

Event between 14JU80 and star GA0760:08449042 with event index number of 1110130

Geocentric closest approach at 2021/06/01 05:38:11 UTC

J2000 position of star is 17:39:11.8 -12:02:44
Equinox of date position of star is 17:40:22.5 -12:03:21
Stellar brightness G=13.5, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 65 degrees from the moon. Moon is 61% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 43.3 AU from the Sun and 42.3 AU from the Earth.
The TNO is moving 23.7 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 549 seconds.
The 1-sigma cross-track error in the shadow position is 3691 km.
The sky-plane scale is 30669.9 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 17.6 sec chord
Diameter=170.2 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14JU80, (2021/06/01 05:38UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.4 -26:28:40  0.9 21.82  78
35Eta Oph      17:11:36.5 -15:45:00  2.6  7.90  71
56Omi Ser      17:42:37.2 -12:53:05  4.4  0.99  64
PPM 233325     17:38:01.2 -12:05:54  8.3  0.58  66
PPM 233393     17:40:12.5 -12:13:50  9.5  0.18  65
14JU80         17:40:23.7 -12:03:22 13.5        65
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 1.6 sigma about the mid-time.
The median site spacing is 21.7 km RECON observability=0.4 and success probability=5.4%
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 05:40:41 -11.8 NT Down 14.5 130.3 Really Low 05:25:41 - 05:55:41 -1390
Kelowna 05:40:42 -12.1 AT Down 14.6 130.1 Really Low 05:25:42 - 05:55:42 -1417
Peachland 05:40:43 -12.1 AT Down 14.6 129.8 Really Low 05:25:43 - 05:55:43 -1429
Summerland 05:40:43 -12.2 AT Down 14.7 129.9 Really Low 05:25:43 - 05:55:43 -1437
Penticton 05:40:42 -12.3 AT Down 14.8 130.0 Really Low 05:25:42 - 05:55:42 -1440
Oliver 05:40:43 -12.6 AT Down 15.0 129.9 Really Low 05:25:43 - 05:55:43 -1462
Anarchist Mountain Observatory 05:40:44 -12.8 AT Down 15.2 130.0 Really Low 05:25:44 - 05:55:44 -1470
Tonasket 05:40:45 -13.1 AT Down 15.4 129.9 Really Low 05:25:45 - 05:55:45 -1492
Okanogan 05:40:46 -13.3 AT Down 15.6 129.7 Really Low 05:25:46 - 05:55:46 -1516
Brewster 05:40:47 -13.5 AT Down 15.6 129.5 Really Low 05:25:47 - 05:55:47 -1537
Manson/Chelan 05:40:48 -13.5 AT Down 15.6 129.1 Really Low 05:25:48 - 05:55:48 -1557
Victoria 05:40:53 -11.8 NT Down 13.5 126.5 Really Low 05:25:53 - 05:55:53 -1566
Wenatchee 05:40:49 -13.9 AT Down 15.8 128.9 Really Low 05:25:49 - 05:55:49 -1592
Ellensburg 05:40:51 -14.1 AT Down 15.9 128.6 Really Low 05:25:51 - 05:55:51 -1623
Pasco 05:40:50 -15.3 AT Down 17.2 129.7 Really Low 05:25:50 - 05:55:50 -1651
Yakima 05:40:52 -14.5 AT Down 16.2 128.5 Really Low 05:25:52 - 05:55:52 -1651
Toppenish/White Swan 05:40:52 -14.7 AT Down 16.4 128.6 Really Low 05:25:52 - 05:55:52 -1664
PNWRO 05:40:50 -15.6 AT Down 17.4 129.8 Really Low 05:25:50 - 05:55:50 -1664
Goldendale 05:40:55 -15.0 AT Down 16.5 128.1 Really Low 05:25:55 - 05:55:55 -1709
The Dalles 05:40:56 -15.1 AT Down 16.5 127.8 Really Low 05:25:56 - 05:55:56 -1731
Maupin 05:40:56 -15.5 AT Down 16.8 127.8 Really Low 05:25:56 - 05:55:56 -1759
Redmond 05:40:58 -16.2 AT Down 17.3 127.5 Really Low 05:25:58 - 05:55:58 -1825
Sisters 05:40:59 -16.0 AT Down 17.0 127.1 Really Low 05:25:59 - 05:55:59 -1830
Bend 05:40:59 -16.3 AT Down 17.3 127.3 Really Low 05:25:59 - 05:55:59 -1843
Dunrhomin 05:40:27 -25.1 Dark Down 28.5 140.4 Low 05:25:27 - 05:55:27 -1852
Oregon Observatory 05:41:00 -16.4 AT Down 17.4 127.2 Really Low 05:26:00 - 05:56:00 -1857
La Pine/Gilchrist 05:41:01 -16.5 AT Down 17.4 127.1 Really Low 05:26:01 - 05:56:01 -1873
North Lake 05:41:00 -17.1 AT Down 18.1 127.4 Really Low 05:26:00 - 05:56:00 -1895
Paisley 05:41:01 -17.7 AT Down 18.6 127.6 Really Low 05:26:01 - 05:56:01 -1929
Lakeview 05:41:02 -18.2 Dark Down 19.0 127.6 Really Low 05:26:02 - 05:56:02 -1964
Klamath Falls 05:41:04 -17.6 AT Down 18.2 126.5 Really Low 05:26:04 - 05:56:04 -1986
Cedarville 05:41:03 -18.9 Dark Down 19.5 127.6 Really Low 05:26:03 - 05:56:03 -2010
Fall River/Burney 05:41:06 -18.8 Dark Down 19.1 126.5 Really Low 05:26:06 - 05:56:06 -2069
Susanville 05:41:06 -19.6 Dark Down 19.9 126.9 Really Low 05:26:06 - 05:56:06 -2104
Gimple 05:41:07 -19.7 Dark Down 20.0 126.6 Really Low 05:26:07 - 05:56:07 -2130
Greenville 05:41:07 -19.7 Dark Down 19.9 126.6 Really Low 05:26:07 - 05:56:07 -2131
Quincy 05:41:08 -19.9 Dark Down 20.0 126.5 Low 05:26:08 - 05:56:08 -2147
Portola 05:41:07 -20.2 Dark Down 20.4 126.9 Low 05:26:07 - 05:56:07 -2148
Reno 05:41:06 -20.7 Dark Down 21.0 127.3 Low 05:26:06 - 05:56:06 -2157
Carson City 05:41:07 -21.0 Dark Down 21.2 127.2 Low 05:26:07 - 05:56:07 -2185
Yerington 05:41:05 -21.4 Dark Down 21.7 127.7 Low 05:26:05 - 05:56:05 -2188
Gardnerville 05:41:07 -21.2 Dark Down 21.4 127.2 Low 05:26:07 - 05:56:07 -2203
Hawthorne 05:41:05 -22.0 Dark Down 22.3 128.0 Low 05:26:05 - 05:56:05 -2216
Tonopah 05:41:03 -23.0 Dark Down 23.5 129.0 Low 05:26:03 - 05:56:03 -2227
Lee Vining 05:41:07 -22.3 Dark Down 22.4 127.4 Low 05:26:07 - 05:56:07 -2269
Bishop 05:41:07 -23.1 Dark Down 23.2 127.8 Low 05:26:07 - 05:56:07 -2304
Beatty 05:41:03 -24.2 Dark Down 24.5 129.0 Low 05:26:03 - 05:56:03 -2312
Indian Springs 05:41:01 -24.9 Dark Down 25.4 129.7 Low 05:26:01 - 05:56:01 -2318
Henderson 05:41:01 -25.7 Dark Down 26.1 130.1 Low 05:26:01 - 05:56:01 -2349
Patrick 05:40:58 -26.6 Dark Down 27.2 130.8 Low 05:25:58 - 05:55:58 -2380
Kingman/Dolan Springs 05:40:59 -26.8 Dark Down 27.2 130.6 Low 05:25:59 - 05:55:59 -2401
Laughlin/Bullhead City 05:41:01 -26.6 Dark Down 26.9 130.1 Low 05:26:01 - 05:56:01 -2413
Mohave Valley 05:41:01 -26.8 Dark Down 27.1 130.0 Low 05:26:01 - 05:56:01 -2436
Lake Havasu City 05:41:01 -27.3 Dark Down 27.5 130.1 Low 05:26:01 - 05:56:01 -2464
George/Scottsdale 05:40:55 -28.9 Dark Down 29.6 131.9 Low 05:25:55 - 05:55:55 -2483
Parker 05:41:02 -27.6 Dark Down 27.8 130.0 Low 05:26:02 - 05:56:02 -2493
CPSLO 05:41:16 -23.8 Dark Down 23.0 125.3 Low 05:26:16 - 05:56:16 -2517
Blythe 05:41:03 -27.9 Dark Down 27.9 129.5 Low 05:26:03 - 05:56:03 -2543
Idyllwild 05:41:09 -26.9 Dark Down 26.5 127.8 Low 05:26:09 - 05:56:09 -2573
Wildwood 05:41:13 -25.8 Dark Down 25.0 126.5 Low 05:26:13 - 05:56:13 -2579
Calipatria 05:41:07 -27.9 Dark Down 27.6 128.5 Low 05:26:07 - 05:56:07 -2603
Yuma 05:41:05 -28.7 Dark Down 28.5 129.1 Low 05:26:05 - 05:56:05 -2622

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 14JU80, (2021/06/01 05:38UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.82  78
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.90  71
56Omi Ser      17:41:24.8 -12:52:32  4.4  0.99  64
PPM 233325     17:36:49.2 -12:05:12  8.3  0.58  66
PPM 233393     17:39:00.5 -12:13:12  9.5  0.18  65
14JU80         17:39:11.8 -12:02:44 13.5        65
Positions are for J2000

Event circumstances last updated at 2021/01/21 21:32:30 UT

Marc W. Buie, Southwest Research Institute

RECON