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 16:43:49.1 -03:42:12
Stellar brightness G=15.6, use SENSEUP=128
Star is 129 degrees from the moon. Moon is 48% illuminated.
TNO apparent brightness V=22.1

[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 3310 km.
The sky-plane scale is 26281.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=332.7 km assuming a 5% albedo -- 17.0 sec chord
Diameter=135.8 km assuming a 30% albedo -- 6.9 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 -10:36:47  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 16.9 km RECON observability=1.0 and success probability=10.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:12:10 -17.0 AT Down 32.0 210.9 Up 06:57:10 - 07:27:10 -2522
Summerland 07:12:10 -17.2 AT Down 32.3 210.7 Up 06:57:10 - 07:27:10 -2538
Penticton 07:12:10 -17.3 AT Down 32.3 210.9 Up 06:57:10 - 07:27:10 -2546
Okanagan Falls 07:12:10 -17.5 AT Down 32.5 210.9 Up 06:57:10 - 07:27:10 -2559
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 -2589
Oroville 07:12:09 -17.9 AT Down 32.8 211.2 Up 06:57:09 - 07:27:09 -2593
Tonasket 07:12:09 -18.1 Dark Down 33.0 211.3 Up 06:57:09 - 07:27:09 -2611
Okanogan 07:12:08 -18.4 Dark Down 33.3 211.2 Up 06:57:08 - 07:27:08 -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 07:12:10 -20.3 Dark Down 35.3 211.0 Up 06:57:10 - 07:27:10 -2770
Goldendale 07:12:11 -20.7 Dark Down 35.9 210.7 Up 06:57:11 - 07:27:11 -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
George/Umatilla 07:12:06 -20.9 Dark Down 35.3 212.4 Up 06:57:06 - 07:27:06 -2828
PNWRO 07:12:06 -20.8 Dark Down 35.1 212.8 Up 06:57:06 - 07:27:06 -2831
Maupin 07:12:12 -21.3 Dark Down 36.6 210.7 Up 06:57:12 - 07:27:12 -2849
Madras/Culver 07:12:12 -21.8 Dark Down 37.1 210.8 Up 06:57:12 - 07:27:12 -2892
Sisters 07:12:13 -22.1 Dark Down 37.5 210.4 Up 06:57:13 - 07:27:13 -2909
Redmond 07:12:12 -22.2 Dark Down 37.4 210.9 Up 06:57:12 - 07:27:12 -2920
Bend 07:12:12 -22.4 Dark Down 37.6 210.8 Up 06:57:12 - 07:27:12 -2934
Oregon Observatory 07:12:12 -22.5 Dark Down 37.8 210.7 Up 06:57:12 - 07:27:12 -2945
La Pine/Gilchrist 07:12:13 -22.7 Dark Down 38.0 210.8 Up 06:57:13 - 07:27:13 -2960
North Lake 07:12:11 -23.2 Dark Down 38.2 211.6 Up 06:57:11 - 07:27:11 -3009
Chiloquin 07:12:13 -23.7 Dark Down 39.1 210.8 Up 06:57:13 - 07:27:13 -3043
Paisley 07:12:09 -23.8 Dark Down 38.5 212.3 Up 06:57:09 - 07:27:09 -3063
Klamath Falls 07:12:13 -24.0 Dark Down 39.4 211.0 Up 06:57:13 - 07:27:13 -3073
Tulelake 07:12:13 -24.4 Dark Down 39.5 211.5 Up 06:57:13 - 07:27:13 -3102
Lakeview 07:12:07 -24.3 Dark Down 38.9 212.7 Up 06:57:07 - 07:27:07 -3109
Cedarville 07:12:07 -25.0 Dark Down 39.3 213.2 Up 06:57:07 - 07:27:07 -3168
Fall River/Burney 07:12:11 -25.2 Dark Down 40.2 212.0 Up 06:57:11 - 07:27:11 -3180
Susanville 07:12:08 -26.0 Dark Down 40.5 213.2 Up 06:57:08 - 07:27:08 -3251
Greenville 07:12:10 -26.2 Dark Down 40.8 212.9 Up 06:57:10 - 07:27:10 -3268
Gimple 07:12:09 -26.2 Dark Down 40.8 213.0 Up 06:57:09 - 07:27:09 -3270
Quincy 07:12:09 -26.4 Dark Down 41.0 213.0 Up 06:57:09 - 07:27:09 -3285
Portola 07:12:08 -26.6 Dark Down 40.9 213.7 Up 06:57:08 - 07:27:08 -3307
Reno 07:12:04 -27.0 Dark Down 40.9 214.6 Up 06:57:04 - 07:27:04 -3346
Carson City 07:12:05 -27.3 Dark Down 41.1 214.8 Up 06:57:05 - 07:27:05 -3377
Gardnerville 07:12:04 -27.6 Dark Down 41.3 214.9 Up 06:57:04 - 07:27:04 -3400
Yerington 07:12:02 -27.6 Dark Down 41.0 215.6 Up 06:57:02 - 07:27:02 -3409
Hawthorne 07:12:00 -28.2 Dark Down 41.2 216.4 Up 06:57:00 - 07:27:00 -3462
Lee Vining 07:12:02 -28.7 Dark Down 41.8 216.2 Up 06:57:02 - 07:27:02 -3500
Tonopah 07:11:55 -28.9 Dark Down 40.9 218.3 Up 06:56:55 - 07:26:55 -3538
Bishop 07:11:59 -29.4 Dark Down 42.0 217.3 Up 06:56:59 - 07:26:59 -3571
Niwot 07:11:15 -27.6 Dark Up 33.0 229.7 Up 06:56:15 - 07:26:15 -3627
SwRI 07:11:15 -27.7 Dark Up 33.1 229.7 Up 06:56:15 - 07:26:15 -3634
Lone Pine 07:11:57 -30.2 Dark Down 42.4 218.1 Up 06:56:57 - 07:26:57 -3647
Beatty 07:11:51 -30.1 Dark Down 41.5 219.5 Up 06:56:51 - 07:26:51 -3652
CPSLO 07:12:07 -30.9 Dark Down 44.7 215.8 Up 06:57:07 - 07:27:07 -3700
Indian Springs 07:11:48 -30.6 Dark Down 41.2 220.9 Up 06:56:48 - 07:26:48 -3708
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 -3863
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 -3874
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 -3904
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 07:11:41 -33.1 Dark Down 42.3 223.8 Up 06:56:41 - 07:26:41 -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
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         16:36:22.0 -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 2019/06/08 05:35:53 UT

Marc W. Buie, Southwest Research Institute

RECON