RECON: TNO occultation with 14GF54

Event between 14GF54 and star GA0620:07066896 with event index number of 1113782

Geocentric closest approach at 2021/05/26 05:43:01 UTC

J2000 position of star is 15:07:14.6 -26:53:54
Equinox of date position of star is 15:08:29.8 -26:58:42
Stellar brightness G=14.2, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 14 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 32.6 AU from the Sun and 31.7 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is 1704 km.
The sky-plane scale is 22958.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=247.8 km assuming a 5% albedo -- 10.7 sec chord
Diameter=101.1 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14GF54, (2021/05/26 05:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.4 -26:28:40  0.9 18.34  10
7Del Sco       16:01:36.1 -22:40:51  2.3 12.78   3
PPM 263974     15:15:09.7 -26:16:20  5.4  1.64  12
PPM 263813     15:08:07.6 -26:54:25  8.0  0.11  14
14GF54         15:08:31.0 -26:58:47 14.2        14
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 4.2 km RECON observability=0.5 and success probability=3.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Dunrhomin 05:44:28 -26.3 Dark Up 22.8 178.2 Low 05:33:42 - 05:55:14 4085
Clarence Fulton 05:45:09 -13.1 AT Up 11.6 165.6 Really Low 05:34:23 - 05:55:55 4044
Kelowna 05:45:10 -13.4 AT Up 11.9 165.5 Really Low 05:34:24 - 05:55:56 4027
Peachland 05:45:11 -13.4 AT Up 12.0 165.2 Really Low 05:34:25 - 05:55:57 4014
Penticton 05:45:10 -13.6 AT Up 12.2 165.4 Really Low 05:34:24 - 05:55:56 4013
Summerland 05:45:11 -13.5 AT Up 12.2 165.3 Really Low 05:34:25 - 05:55:57 4012
Anarchist Mountain Observatory 05:45:11 -14.1 AT Up 12.8 165.5 Really Low 05:34:25 - 05:55:57 4002
Oliver 05:45:11 -13.9 AT Up 12.6 165.4 Really Low 05:34:25 - 05:55:57 4001
Tonasket 05:45:11 -14.4 AT Up 13.1 165.4 Really Low 05:34:25 - 05:55:57 3989
Okanogan 05:45:11 -14.6 AT Up 13.4 165.3 Really Low 05:34:25 - 05:55:57 3972
Brewster 05:45:12 -14.8 AT Up 13.6 165.1 Really Low 05:34:26 - 05:55:58 3956
Manson/Chelan 05:45:13 -14.8 AT Up 13.7 164.8 Really Low 05:34:27 - 05:55:59 3937
Wenatchee 05:45:14 -15.2 AT Up 14.2 164.6 Really Low 05:34:28 - 05:56:00 3914
Pasco 05:45:12 -16.6 AT Up 15.5 165.6 Really Low 05:34:26 - 05:55:58 3908
PNWRO 05:45:10 -16.9 AT Up 15.8 165.8 Really Low 05:34:24 - 05:55:56 3906
Ellensburg 05:45:15 -15.4 AT Up 14.5 164.4 Really Low 05:34:29 - 05:56:01 3892
Yakima 05:45:15 -15.8 AT Up 14.9 164.3 Really Low 05:34:29 - 05:56:01 3876
Toppenish/White Swan 05:45:15 -16.0 AT Up 15.2 164.4 Really Low 05:34:29 - 05:56:01 3873
Victoria 05:45:22 -13.1 AT Up 12.5 161.9 Really Low 05:34:36 - 05:56:08 3858
Goldendale 05:45:17 -16.3 AT Up 15.6 164.0 Really Low 05:34:31 - 05:56:03 3837
The Dalles 05:45:17 -16.4 AT Up 15.7 163.7 Really Low 05:34:31 - 05:56:03 3815
Maupin 05:45:18 -16.8 AT Up 16.2 163.7 Really Low 05:34:32 - 05:56:04 3802
Redmond 05:45:18 -17.5 AT Up 17.0 163.6 Really Low 05:34:32 - 05:56:04 3761
Sisters 05:45:19 -17.3 AT Up 16.9 163.2 Really Low 05:34:33 - 05:56:05 3749
Bend 05:45:19 -17.6 AT Up 17.2 163.4 Really Low 05:34:33 - 05:56:05 3747
Oregon Observatory 05:45:19 -17.7 AT Up 17.3 163.3 Really Low 05:34:33 - 05:56:05 3735
North Lake 05:45:18 -18.5 Dark Up 18.1 163.7 Really Low 05:34:32 - 05:56:04 3726
La Pine/Gilchrist 05:45:19 -17.9 AT Up 17.5 163.2 Really Low 05:34:33 - 05:56:05 3724
Paisley 05:45:17 -19.1 Dark Up 18.7 164.0 Really Low 05:34:31 - 05:56:03 3714
Lakeview 05:45:17 -19.6 Dark Up 19.2 164.1 Really Low 05:34:31 - 05:56:03 3697
Cedarville 05:45:16 -20.2 Dark Up 19.9 164.2 Really Low 05:34:30 - 05:56:02 3673
Klamath Falls 05:45:21 -19.0 Dark Up 18.9 162.9 Really Low 05:34:35 - 05:56:07 3649
Tonopah 05:45:07 -24.3 Dark Up 23.8 166.6 Low 05:34:21 - 05:55:53 3608
Fall River/Burney 05:45:20 -20.1 Dark Up 20.1 163.1 Low 05:34:34 - 05:56:06 3607
Susanville 05:45:18 -20.9 Dark Up 20.8 163.7 Low 05:34:32 - 05:56:04 3603
Reno 05:45:15 -22.0 Dark Up 21.8 164.4 Low 05:34:29 - 05:56:01 3590
Patrick 05:44:55 -27.9 Dark Up 26.9 169.6 Low 05:34:09 - 05:55:41 3586
Yerington 05:45:14 -22.8 Dark Up 22.5 164.9 Low 05:34:28 - 05:56:00 3586
Indian Springs 05:45:03 -26.2 Dark Up 25.5 167.9 Low 05:34:17 - 05:55:49 3585
Gimple 05:45:19 -21.1 Dark Up 21.1 163.5 Low 05:34:33 - 05:56:05 3582
Hawthorne 05:45:12 -23.4 Dark Up 23.1 165.4 Low 05:34:26 - 05:55:58 3581
Henderson 05:44:59 -27.0 Dark Up 26.1 168.6 Low 05:34:13 - 05:55:45 3581
Portola 05:45:17 -21.5 Dark Up 21.5 163.8 Low 05:34:31 - 05:56:03 3580
Greenville 05:45:19 -21.0 Dark Up 21.0 163.4 Low 05:34:33 - 05:56:05 3579
Carson City 05:45:16 -22.3 Dark Up 22.2 164.3 Low 05:34:30 - 05:56:02 3573
Quincy 05:45:19 -21.2 Dark Up 21.2 163.4 Low 05:34:33 - 05:56:05 3569
Kingman/Dolan Springs 05:44:56 -28.1 Dark Up 27.1 169.4 Low 05:34:10 - 05:55:42 3568
Beatty 05:45:06 -25.5 Dark Up 25.0 166.9 Low 05:34:20 - 05:55:52 3564
George/Scottsdale 05:44:48 -30.2 Dark Up 28.9 171.4 Low 05:34:02 - 05:55:34 3563
Gardnerville 05:45:16 -22.5 Dark Up 22.4 164.4 Low 05:34:30 - 05:56:02 3562
Laughlin/Bullhead City 05:44:58 -27.9 Dark Up 27.1 168.9 Low 05:34:12 - 05:55:44 3548
Lee Vining 05:45:14 -23.6 Dark Up 23.5 164.8 Low 05:34:28 - 05:56:00 3535
Mohave Valley 05:44:58 -28.1 Dark Up 27.3 168.8 Low 05:34:12 - 05:55:44 3534
Bishop 05:45:12 -24.4 Dark Up 24.2 165.5 Low 05:34:26 - 05:55:58 3530
Lake Havasu City 05:44:57 -28.6 Dark Up 27.8 169.0 Low 05:34:11 - 05:55:43 3520
Parker 05:44:57 -28.9 Dark Up 28.1 169.0 Low 05:34:11 - 05:55:43 3502
Blythe 05:44:57 -29.2 Dark Up 28.6 168.7 Low 05:34:11 - 05:55:43 3462
Yuma 05:44:57 -30.0 Dark Up 29.5 168.5 Low 05:34:11 - 05:55:43 3408
Calipatria 05:45:01 -29.3 Dark Up 28.9 167.7 Low 05:34:15 - 05:55:47 3401
Idyllwild 05:45:05 -28.2 Dark Up 28.1 166.6 Low 05:34:19 - 05:55:51 3393
Wildwood 05:45:12 -27.1 Dark Up 27.4 164.8 Low 05:34:26 - 05:55:58 3343
CPSLO 05:45:19 -25.2 Dark Up 25.7 163.1 Low 05:34:33 - 05:56:05 3333

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 14GF54, (2021/05/26 05:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.34  10
7Del Sco       16:00:20.0 -22:37:18  2.3 12.78   3
PPM 263974     15:13:53.3 -26:11:37  5.4  1.64  12
PPM 263813     15:06:51.2 -26:49:32  8.0  0.11  14
14GF54         15:07:14.6 -26:53:54 14.2        14
Positions are for J2000

Event circumstances last updated at 2021/01/21 21:14:37 UT

Marc W. Buie, Southwest Research Institute

RECON