RECON: TNO occultation with 14GJ65

Event between 14GJ65 and star GA0900:05678992 with event index number of 1554361

Geocentric closest approach at 2021/07/05 09:07:54 UTC

J2000 position of star is 17:41:14.2 +01:42:10
Equinox of date position of star is 17:42:18.2 +01:41:36
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 141 degrees from the moon. Moon is 19% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 40.2 AU from the Sun and 39.4 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is 2998 km.
The sky-plane scale is 28545.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 12.1 sec chord
Diameter=123.3 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14GJ65, (2021/07/05 09:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.8 -26:28:40  0.9 33.05 161
60Bet Oph      17:44:32.2 +04:33:36  2.8  2.92 139
62Gam Oph      17:48:58.3 +02:42:03  3.8  1.94 139
PPM 164365     17:40:13.8 +02:01:02  7.2  0.62 141
PPM 164389     17:41:00.3 +02:00:27  9.4  0.46 141
PPM 164420     17:42:24.1 +01:56:08 10.8  0.24 141
14GJ65         17:42:19.5 +01:41:36 15.0       140
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 24.7 km RECON observability=1.0 and success probability=9.1%
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 09:05:34 -15.7 AT Up 33.0 223.6 Up 08:54:31 - 09:16:37 5400
Kelowna 09:05:34 -16.1 AT Up 33.3 223.6 Up 08:54:31 - 09:16:37 5369
Peachland 09:05:35 -16.2 AT Up 33.5 223.3 Up 08:54:32 - 09:16:38 5364
Summerland 09:05:34 -16.3 AT Up 33.6 223.5 Up 08:54:31 - 09:16:37 5350
Penticton 09:05:35 -16.4 AT Up 33.6 223.6 Up 08:54:32 - 09:16:38 5343
Victoria 09:05:42 -17.9 AT Down 36.0 219.9 Up 08:54:39 - 09:16:45 5314
Oliver 09:05:34 -16.7 AT Up 33.8 223.8 Up 08:54:31 - 09:16:37 5313
Anarchist Mountain Observatory 09:05:33 -16.9 AT Up 33.9 224.1 Up 08:54:30 - 09:16:36 5297
Tonasket 09:05:32 -17.2 AT Up 34.1 224.2 Up 08:54:29 - 09:16:35 5271
Okanogan 09:05:33 -17.5 AT Up 34.4 224.2 Up 08:54:30 - 09:16:36 5244
Brewster 09:05:33 -17.8 AT Down 34.7 224.1 Up 08:54:30 - 09:16:36 5224
Manson/Chelan 09:05:33 -18.1 Dark Down 35.1 223.8 Up 08:54:30 - 09:16:36 5212
Wenatchee 09:05:34 -18.6 Dark Down 35.5 223.8 Up 08:54:31 - 09:16:37 5173
Ellensburg 09:05:35 -19.0 Dark Down 35.9 223.8 Up 08:54:32 - 09:16:38 5141
Yakima 09:05:33 -19.4 Dark Down 36.2 224.0 Up 08:54:30 - 09:16:36 5106
Toppenish/White Swan 09:05:33 -19.6 Dark Down 36.3 224.3 Up 08:54:30 - 09:16:36 5084
Pasco 09:05:29 -19.5 Dark Down 35.7 225.7 Up 08:54:26 - 09:16:32 5054
Goldendale 09:05:33 -20.2 Dark Down 36.9 224.1 Up 08:54:30 - 09:16:36 5042
PNWRO 09:05:29 -19.7 Dark Down 35.8 226.1 Up 08:54:26 - 09:16:32 5029
The Dalles 09:05:34 -20.5 Dark Down 37.2 223.8 Up 08:54:31 - 09:16:37 5028
Maupin 09:05:33 -20.9 Dark Down 37.4 224.1 Up 08:54:30 - 09:16:36 4989
Sisters 09:05:34 -21.8 Dark Down 38.3 224.1 Up 08:54:31 - 09:16:37 4919
Redmond 09:05:33 -21.8 Dark Down 38.1 224.5 Up 08:54:30 - 09:16:36 4910
Bend 09:05:33 -22.0 Dark Down 38.4 224.5 Up 08:54:30 - 09:16:36 4893
Oregon Observatory 09:05:34 -22.2 Dark Down 38.6 224.5 Up 08:54:31 - 09:16:37 4880
La Pine/Gilchrist 09:05:33 -22.4 Dark Down 38.7 224.5 Up 08:54:30 - 09:16:36 4863
North Lake 09:05:32 -22.7 Dark Down 38.7 225.4 Up 08:54:29 - 09:16:35 4813
Paisley 09:05:30 -23.2 Dark Down 38.9 226.1 Up 08:54:27 - 09:16:33 4757
Klamath Falls 09:05:33 -23.8 Dark Down 39.9 225.0 Up 08:54:30 - 09:16:36 4735
Lakeview 09:05:30 -23.6 Dark Down 39.2 226.6 Up 08:54:27 - 09:16:33 4708
Cedarville 09:05:28 -24.2 Dark Down 39.5 227.2 Up 08:54:25 - 09:16:31 4644
Fall River/Burney 09:05:31 -24.9 Dark Down 40.5 226.2 Up 08:54:28 - 09:16:34 4620
Susanville 09:05:29 -25.4 Dark Down 40.6 227.4 Up 08:54:26 - 09:16:32 4548
Greenville 09:05:30 -25.7 Dark Down 40.9 227.2 Up 08:54:27 - 09:16:33 4527
Gimple 09:05:29 -25.7 Dark Down 40.9 227.3 Up 08:54:26 - 09:16:32 4526
Quincy 09:05:30 -25.9 Dark Down 41.0 227.3 Up 08:54:27 - 09:16:33 4508
Portola 09:05:27 -25.9 Dark Down 40.9 227.9 Up 08:54:24 - 09:16:30 4488
Reno 09:05:26 -26.1 Dark Down 40.7 228.8 Up 08:54:23 - 09:16:29 4452
Carson City 09:05:26 -26.4 Dark Down 40.9 229.1 Up 08:54:23 - 09:16:29 4418
Gardnerville 09:05:26 -26.6 Dark Down 41.0 229.3 Up 08:54:23 - 09:16:29 4394
Yerington 09:05:23 -26.5 Dark Down 40.7 229.9 Up 08:54:20 - 09:16:26 4389
Hawthorne 09:05:22 -26.8 Dark Down 40.6 230.7 Up 08:54:19 - 09:16:25 4335
Dunrhomin 09:04:50 -21.1 Dark Up 31.1 242.3 Up 08:53:47 - 09:15:53 4304
Lee Vining 09:05:23 -27.4 Dark Down 41.3 230.6 Up 08:54:20 - 09:16:26 4290
Tonopah 09:05:18 -26.9 Dark Down 40.1 232.5 Up 08:54:15 - 09:16:21 4267
Bishop 09:05:21 -27.8 Dark Down 41.2 231.7 Up 08:54:18 - 09:16:24 4219
Beatty 09:05:16 -27.9 Dark Down 40.5 233.7 Up 08:54:13 - 09:16:19 4146
Indian Springs 09:05:14 -27.9 Dark Down 40.0 235.0 Up 08:54:11 - 09:16:17 4097
CPSLO 09:05:26 -30.3 Dark Down 43.9 230.8 Up 08:54:23 - 09:16:29 4057
Henderson 09:05:11 -28.2 Dark Down 39.8 236.0 Up 08:54:08 - 09:16:14 4032
Patrick 09:05:07 -28.5 Dark Down 39.4 237.5 Up 08:54:04 - 09:16:10 3952
Laughlin/Bullhead City 09:05:09 -28.9 Dark Down 40.0 237.0 Up 08:54:06 - 09:16:12 3939
Kingman/Dolan Springs 09:05:07 -28.7 Dark Down 39.7 237.5 Up 08:54:04 - 09:16:10 3933
Mohave Valley 09:05:08 -29.1 Dark Down 40.2 237.2 Up 08:54:05 - 09:16:11 3912
Wildwood 09:05:21 -31.0 Dark Down 43.3 233.9 Up 08:54:18 - 09:16:24 3901
Lake Havasu City 09:05:08 -29.4 Dark Down 40.2 237.7 Up 08:54:05 - 09:16:11 3868
Idyllwild 09:05:14 -30.9 Dark Down 42.3 236.0 Up 08:54:11 - 09:16:17 3832
Parker 09:05:07 -29.8 Dark Down 40.4 238.0 Up 08:54:04 - 09:16:10 3832
Blythe 09:05:08 -30.3 Dark Down 40.9 238.1 Up 08:54:05 - 09:16:11 3784
Calipatria 09:05:10 -31.1 Dark Down 41.8 237.6 Up 08:54:07 - 09:16:13 3750
George/Scottsdale 09:05:01 -29.4 Dark Down 38.9 240.5 Up 08:53:58 - 09:16:04 3750
Yuma 09:05:08 -31.2 Dark Down 41.4 238.8 Up 08:54:05 - 09:16:11 3691

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 14GJ65, (2021/07/05 09:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.05 161
60Bet Oph      17:43:28.3 +04:34:06  2.8  2.92 139
62Gam Oph      17:47:53.5 +02:42:25  3.8  1.94 139
PPM 164365     17:39:08.6 +02:01:40  7.2  0.62 141
PPM 164389     17:39:55.2 +02:01:04  9.4  0.46 141
PPM 164420     17:41:18.9 +01:56:42 10.8  0.24 141
14GJ65         17:41:14.2 +01:42:10 15.0       141
Positions are for J2000

Event circumstances last updated at 2021/01/23 20:25:52 UT

Marc W. Buie, Southwest Research Institute

RECON