RECON: TNO occultation with 14GL54

Event between 14GL54 and star GA0860:04988821 with event index number of 1305170

Geocentric closest approach at 2023/07/10 07:14:50 UTC

J2000 position of star is 16:42:47.7 -03:40:04
Equinox of date position of star is 16:43:51.5 -03:42:17
Stellar brightness G=15.6, use SENSEUP=128
Star is 129 degrees from the moon. Moon is 48% illuminated.
TNO apparent brightness V=25.8

[RECON map]
TNO is 37.0 AU from the Sun and 36.2 AU from the Earth.
The TNO is moving 19.6 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 256 seconds.
The 1-sigma cross-track error in the shadow position is 3309 km.
The sky-plane scale is 26281.5 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=332.7 km assuming a 5% albedo -- 3.1 sec chord
Diameter=135.8 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14GL54, (2023/07/10 07:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.2 -26:28:56  0.9 22.99 131
13Zet Oph      16:38:27.4 -10:36:46  2.6  7.04 131
12 Oph         16:37:35.6 -02:22:22  5.8  2.09 130
PPM 199926     16:44:27.0 -04:11:35  7.6  0.49 129
PPM 199922     16:44:10.1 -03:41:33  9.9  0.04 129
14GL54         16:44:02.0 -03:42:38 15.6       129
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 3.5 sigma about the mid-time.
The median site spacing is 20.6 km RECON observability=1.0 and success probability=10.6%
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 07:12:10 -16.6 AT Down 31.6 210.9 Up 06:57:10 - 07:27:10 -2497
Kelowna 07:12:10 -17.0 AT Down 32.0 210.9 Up 06:57:10 - 07:27:10 -2523
Peachland 07:12:10 -17.1 AT Down 32.2 210.6 Up 06:57:10 - 07:27:10 -2525
Summerland 07:12:10 -17.2 AT Down 32.3 210.7 Up 06:57:10 - 07:27:10 -2538
Victoria 07:12:22 -17.7 AT Down 34.4 206.9 Up 06:57:22 - 07:27:22 -2543
Penticton 07:12:10 -17.3 AT Down 32.3 210.9 Up 06:57:10 - 07:27:10 -2545
Oliver 07:12:10 -17.7 AT Down 32.6 211.0 Up 06:57:10 - 07:27:10 -2572
Anarchist Mountain Observatory 07:12:09 -17.8 AT Down 32.7 211.2 Up 06:57:09 - 07:27:09 -2588
Tonasket 07:12:09 -18.1 Dark Down 33.0 211.3 Up 06:57:09 - 07:27:09 -2610
Okanogan 07:12:09 -18.4 Dark Down 33.3 211.2 Up 06:57:09 - 07:27:09 -2633
Brewster 07:12:10 -18.7 Dark Down 33.6 211.1 Up 06:57:10 - 07:27:10 -2649
Manson/Chelan 07:12:10 -18.8 Dark Down 33.9 210.7 Up 06:57:10 - 07:27:10 -2658
Entiat 07:12:10 -19.0 Dark Down 34.2 210.7 Up 06:57:10 - 07:27:10 -2673
Wenatchee 07:12:11 -19.3 Dark Down 34.4 210.7 Up 06:57:11 - 07:27:11 -2691
Ellensburg 07:12:11 -19.6 Dark Down 34.8 210.6 Up 06:57:11 - 07:27:11 -2718
Yakima 07:12:11 -20.0 Dark Down 35.2 210.7 Up 06:57:11 - 07:27:11 -2749
Toppenish/White Swan 07:12:11 -20.3 Dark Down 35.3 211.0 Up 06:57:11 - 07:27:11 -2770
Goldendale 07:12:12 -20.7 Dark Down 35.9 210.7 Up 06:57:12 - 07:27:12 -2804
Pasco 07:12:06 -20.6 Dark Down 35.0 212.5 Up 06:57:06 - 07:27:06 -2806
The Dalles 07:12:13 -20.9 Dark Down 36.3 210.4 Up 06:57:13 - 07:27:13 -2814
PNWRO 07:12:05 -20.8 Dark Down 35.1 212.8 Up 06:57:05 - 07:27:05 -2830
Maupin 07:12:12 -21.3 Dark Down 36.6 210.7 Up 06:57:12 - 07:27:12 -2849
Sisters 07:12:13 -22.1 Dark Down 37.5 210.4 Up 06:57:13 - 07:27:13 -2908
Redmond 07:12:12 -22.2 Dark Down 37.4 210.9 Up 06:57:12 - 07:27:12 -2919
Bend 07:12:12 -22.4 Dark Down 37.6 210.8 Up 06:57:12 - 07:27:12 -2933
Oregon Observatory 07:12:12 -22.5 Dark Down 37.8 210.7 Up 06:57:12 - 07:27:12 -2944
La Pine/Gilchrist 07:12:13 -22.7 Dark Down 38.0 210.8 Up 06:57:13 - 07:27:13 -2959
North Lake 07:12:10 -23.2 Dark Down 38.2 211.6 Up 06:57:10 - 07:27:10 -3008
Paisley 07:12:09 -23.8 Dark Down 38.5 212.3 Up 06:57:09 - 07:27:09 -3062
Klamath Falls 07:12:13 -24.0 Dark Down 39.4 211.0 Up 06:57:13 - 07:27:13 -3072
Lakeview 07:12:08 -24.3 Dark Down 38.9 212.7 Up 06:57:08 - 07:27:08 -3108
Cedarville 07:12:07 -25.0 Dark Down 39.3 213.2 Up 06:57:07 - 07:27:07 -3167
Fall River/Burney 07:12:12 -25.2 Dark Down 40.2 212.0 Up 06:57:12 - 07:27:12 -3180
Susanville 07:12:08 -26.0 Dark Down 40.5 213.2 Up 06:57:08 - 07:27:08 -3250
Greenville 07:12:10 -26.2 Dark Down 40.8 212.9 Up 06:57:10 - 07:27:10 -3267
Gimple 07:12:09 -26.2 Dark Down 40.8 213.0 Up 06:57:09 - 07:27:09 -3269
Quincy 07:12:10 -26.4 Dark Down 41.0 213.0 Up 06:57:10 - 07:27:10 -3285
Portola 07:12:08 -26.6 Dark Down 40.9 213.7 Up 06:57:08 - 07:27:08 -3306
Reno 07:12:05 -27.0 Dark Down 40.8 214.6 Up 06:57:05 - 07:27:05 -3345
Carson City 07:12:05 -27.3 Dark Down 41.1 214.8 Up 06:57:05 - 07:27:05 -3376
Gardnerville 07:12:04 -27.6 Dark Down 41.3 214.9 Up 06:57:04 - 07:27:04 -3399
Yerington 07:12:02 -27.6 Dark Down 41.0 215.6 Up 06:57:02 - 07:27:02 -3408
Hawthorne 07:12:00 -28.2 Dark Down 41.2 216.4 Up 06:57:00 - 07:27:00 -3462
Lee Vining 07:12:01 -28.7 Dark Down 41.8 216.2 Up 06:57:01 - 07:27:01 -3499
Tonopah 07:11:55 -28.9 Dark Down 40.9 218.3 Up 06:56:55 - 07:26:55 -3537
Bishop 07:11:59 -29.4 Dark Down 42.0 217.3 Up 06:56:59 - 07:26:59 -3570
Niwot 07:11:15 -27.6 Dark Up 33.0 229.7 Up 06:56:15 - 07:26:15 -3626
SwRI 07:11:15 -27.7 Dark Up 33.1 229.7 Up 06:56:15 - 07:26:15 -3634
Beatty 07:11:52 -30.1 Dark Down 41.5 219.5 Up 06:56:52 - 07:26:52 -3652
CPSLO 07:12:07 -30.9 Dark Down 44.7 215.8 Up 06:57:07 - 07:27:07 -3700
Indian Springs 07:11:49 -30.6 Dark Down 41.2 220.9 Up 06:56:49 - 07:26:49 -3707
Henderson 07:11:46 -31.2 Dark Down 41.3 221.9 Up 06:56:46 - 07:26:46 -3773
Searchlight/Boulder City 07:11:45 -31.7 Dark Down 41.7 222.3 Up 06:56:45 - 07:26:45 -3827
Patrick 07:11:41 -31.9 Dark Down 41.1 223.5 Up 06:56:41 - 07:26:41 -3858
Wildwood 07:11:59 -32.5 Dark Down 44.6 219.0 Up 06:56:59 - 07:26:59 -3862
Laughlin/Bullhead City 07:11:44 -32.1 Dark Down 41.7 222.9 Up 06:56:44 - 07:26:44 -3863
Kingman/Dolan Springs 07:11:42 -32.1 Dark Down 41.4 223.5 Up 06:56:42 - 07:26:42 -3873
Mohave Valley 07:11:44 -32.4 Dark Down 41.9 223.1 Up 06:56:44 - 07:26:44 -3889
DCO 07:11:38 -32.3 Dark Down 41.0 224.5 Up 06:56:38 - 07:26:38 -3903
Lake Havasu City 07:11:42 -32.8 Dark Down 42.0 223.6 Up 06:56:42 - 07:26:42 -3932
Idyllwild 07:11:51 -33.2 Dark Down 43.9 221.4 Up 06:56:51 - 07:26:51 -3943
Parker 07:11:42 -33.1 Dark Down 42.3 223.8 Up 06:56:42 - 07:26:42 -3966
Blythe 07:11:44 -33.6 Dark Down 42.8 223.9 Up 06:56:44 - 07:26:44 -4007
Calipatria 07:11:47 -34.0 Dark Down 43.7 223.1 Up 06:56:47 - 07:26:47 -4030
George/Scottsdale 07:11:32 -33.8 Dark Down 41.2 226.7 Up 06:56:32 - 07:26:32 -4065
Yuma 07:11:43 -34.5 Dark Down 43.5 224.4 Up 06:56:43 - 07:26:43 -4093

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 14GL54, (2023/07/10 07:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.99 131
13Zet Oph      16:37:09.6 -10:34:01  2.6  7.04 131
12 Oph         16:36:22.1 -02:19:35  5.8  2.09 130
PPM 199926     16:43:12.5 -04:09:01  7.6  0.49 129
PPM 199922     16:42:55.9 -03:38:59  9.9  0.04 129
14GL54         16:42:47.7 -03:40:04 15.6       129
Positions are for J2000

Event circumstances last updated at 2020/03/20 20:57:29 UT

Marc W. Buie, Southwest Research Institute

RECON