RECON: TNO occultation with 14GX53

Event between 14GX53 and star GA0800:04872949 with event index number of 1506728

Geocentric closest approach at 2026/04/23 07:29:34 UTC

J2000 position of star is 15:45:29.6 -09:36:02
Equinox of date position of star is 15:46:33.0 -09:39:36
Stellar brightness G=13.8, use SENSEUP=64
Star is 122 degrees from the moon. Moon is 41% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 35.1 AU from the Sun and 34.2 AU from the Earth.
The TNO is moving 21.7 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is 2137 km.
The sky-plane scale is 24789.7 km/arcsec.

The TNO has an absolute magnitude Hv=5.6
Diameter=463.5 km assuming a 5% albedo -- 21.1 sec chord
Diameter=189.2 km assuming a 30% albedo -- 8.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14GX53, (2026/04/23 07:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:01.5 -26:29:17  0.9 19.78 137
27Bet Lib      15:18:25.6 -09:28:42  2.6  7.03 116
PPM 198725     15:35:52.0 -09:16:13  5.6  2.76 119
PPM 198930     15:47:14.0 -09:47:09  8.4  0.13 122
14GX53         15:46:55.5 -09:40:52 13.8       122
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 16.2 km RECON observability=1.0 and success probability=15.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:32:17 -27.3 Dark Up 24.5 145.7 Low 07:19:09 - 07:45:26 1613
Summerland 07:32:18 -27.6 Dark Up 24.7 145.3 Low 07:19:10 - 07:45:27 1586
Penticton 07:32:18 -27.7 Dark Up 24.8 145.4 Low 07:19:10 - 07:45:27 1584
Okanagan Falls 07:32:18 -27.9 Dark Up 24.9 145.4 Low 07:19:09 - 07:45:26 1571
Oliver 07:32:18 -28.0 Dark Up 25.0 145.4 Low 07:19:10 - 07:45:27 1560
Anarchist Mountain Observatory 07:32:18 -28.2 Dark Up 25.3 145.5 Low 07:19:09 - 07:45:26 1553
Oroville 07:32:18 -28.3 Dark Up 25.3 145.4 Low 07:19:10 - 07:45:27 1546
Tonasket 07:32:19 -28.5 Dark Up 25.5 145.3 Low 07:19:10 - 07:45:27 1529
Okanogan 07:32:20 -28.8 Dark Up 25.7 145.1 Low 07:19:11 - 07:45:28 1502
Brewster 07:32:20 -29.1 Dark Up 25.9 144.8 Low 07:19:12 - 07:45:29 1479
Manson/Chelan 07:32:21 -29.3 Dark Up 25.9 144.4 Low 07:19:13 - 07:45:30 1455
Entiat 07:32:22 -29.5 Dark Up 26.0 144.3 Low 07:19:14 - 07:45:31 1438
Wenatchee 07:32:23 -29.7 Dark Up 26.2 144.1 Low 07:19:14 - 07:45:31 1417
Ellensburg 07:32:23 -30.1 Dark Up 26.5 143.8 Low 07:19:15 - 07:45:32 1382
Pasco 07:32:21 -31.0 Dark Up 27.6 145.0 Low 07:19:12 - 07:45:29 1362
Yakima 07:32:24 -30.5 Dark Up 26.8 143.6 Low 07:19:15 - 07:45:32 1352
PNWRO 07:32:20 -31.2 Dark Up 27.9 145.1 Low 07:19:12 - 07:45:29 1349
Toppenish/White Swan 07:32:24 -30.7 Dark Up 27.0 143.7 Low 07:19:15 - 07:45:32 1340
George/Umatilla 07:32:21 -31.3 Dark Up 27.8 144.7 Low 07:19:13 - 07:45:30 1332
Goldendale 07:32:26 -31.2 Dark Up 27.3 143.1 Low 07:19:17 - 07:45:34 1289
The Dalles 07:32:27 -31.4 Dark Up 27.3 142.7 Low 07:19:19 - 07:45:36 1263
Niwot 07:31:40 -36.8 Dark Up 37.8 158.3 Up 07:18:31 - 07:44:48 1256
SwRI 07:31:40 -36.9 Dark Up 37.9 158.1 Up 07:18:32 - 07:44:49 1245
Maupin 07:32:27 -31.9 Dark Up 27.7 142.7 Low 07:19:18 - 07:45:35 1234
Madras/Culver 07:32:28 -32.4 Dark Up 28.1 142.5 Low 07:19:20 - 07:45:37 1192
Redmond 07:32:28 -32.7 Dark Up 28.4 142.3 Low 07:19:20 - 07:45:37 1163
Sisters 07:32:29 -32.7 Dark Up 28.2 141.9 Low 07:19:21 - 07:45:38 1155
Bend 07:32:29 -32.9 Dark Up 28.5 142.1 Low 07:19:21 - 07:45:38 1144
Oregon Observatory 07:32:30 -33.1 Dark Up 28.6 141.9 Low 07:19:21 - 07:45:38 1127
La Pine/Gilchrist 07:32:30 -33.3 Dark Up 28.7 141.8 Low 07:19:22 - 07:45:39 1110
North Lake 07:32:29 -33.8 Dark Up 29.3 142.2 Low 07:19:20 - 07:45:37 1091
Paisley 07:32:28 -34.4 Dark Up 29.9 142.4 Low 07:19:20 - 07:45:37 1057
Lakeview 07:32:28 -34.9 Dark Up 30.4 142.4 Up 07:19:20 - 07:45:37 1022
Chiloquin 07:32:32 -34.3 Dark Up 29.4 141.0 Low 07:19:24 - 07:45:41 1014
Klamath Falls 07:32:32 -34.7 Dark Up 29.7 141.0 Low 07:19:24 - 07:45:41 989
Tulelake 07:32:32 -35.0 Dark Up 30.1 141.2 Up 07:19:23 - 07:45:40 975
Cedarville 07:32:28 -35.6 Dark Up 31.0 142.4 Up 07:19:19 - 07:45:36 975
Fall River/Burney 07:32:32 -35.9 Dark Up 30.8 141.0 Up 07:19:24 - 07:45:41 904
Susanville 07:32:30 -36.6 Dark Up 31.7 141.5 Up 07:19:22 - 07:45:39 873
Gimple 07:32:31 -36.9 Dark Up 31.8 141.1 Up 07:19:23 - 07:45:40 845
Greenville 07:32:31 -36.8 Dark Up 31.7 141.1 Up 07:19:23 - 07:45:40 843
Portola 07:32:30 -37.2 Dark Up 32.2 141.4 Up 07:19:22 - 07:45:39 829
Quincy 07:32:32 -37.0 Dark Up 31.9 141.0 Up 07:19:23 - 07:45:40 826
Reno 07:32:29 -37.6 Dark Up 32.7 142.0 Up 07:19:20 - 07:45:37 825
Yerington 07:32:27 -38.2 Dark Up 33.5 142.4 Up 07:19:19 - 07:45:36 797
Carson City 07:32:29 -37.9 Dark Up 33.0 141.9 Up 07:19:20 - 07:45:37 796
Gardnerville 07:32:29 -38.2 Dark Up 33.2 141.8 Up 07:19:20 - 07:45:37 777
Hawthorne 07:32:26 -38.7 Dark Up 34.1 142.8 Up 07:19:17 - 07:45:34 773
Tonopah 07:32:21 -39.3 Dark Up 35.1 144.1 Up 07:19:13 - 07:45:30 773
Lee Vining 07:32:27 -39.2 Dark Up 34.3 142.0 Up 07:19:19 - 07:45:36 713
Indian Springs 07:32:17 -40.8 Dark Up 37.0 145.1 Up 07:19:08 - 07:45:25 692
Beatty 07:32:20 -40.4 Dark Up 36.3 144.1 Up 07:19:12 - 07:45:29 690
Bishop 07:32:25 -39.9 Dark Up 35.1 142.5 Up 07:19:17 - 07:45:34 683
Henderson 07:32:15 -41.4 Dark Up 37.8 145.6 Up 07:19:06 - 07:45:23 667
Patrick 07:32:11 -42.0 Dark Up 38.8 146.5 Up 07:19:03 - 07:45:20 646
DCO 07:32:08 -42.3 Dark Up 39.4 147.2 Up 07:19:00 - 07:45:17 640
Lone Pine 07:32:25 -40.6 Dark Up 35.9 142.6 Up 07:19:16 - 07:45:33 628
Kingman/Dolan Springs 07:32:12 -42.2 Dark Up 38.9 146.2 Up 07:19:04 - 07:45:21 622
Searchlight/Boulder City 07:32:15 -41.9 Dark Up 38.3 145.4 Up 07:19:06 - 07:45:23 620
Laughlin/Bullhead City 07:32:14 -42.3 Dark Up 38.7 145.7 Up 07:19:05 - 07:45:22 605
Mohave Valley 07:32:14 -42.5 Dark Up 38.9 145.5 Up 07:19:05 - 07:45:22 582
Lake Havasu City 07:32:13 -42.9 Dark Up 39.4 145.6 Up 07:19:05 - 07:45:22 555
Parker 07:32:13 -43.3 Dark Up 39.7 145.5 Up 07:19:05 - 07:45:22 526
Blythe 07:32:14 -43.8 Dark Up 40.0 144.9 Up 07:19:06 - 07:45:23 472
CPSLO 07:32:34 -41.7 Dark Up 35.6 139.3 Up 07:19:26 - 07:45:43 445
Idyllwild 07:32:21 -43.6 Dark Up 38.8 142.7 Up 07:19:13 - 07:45:30 421
Calipatria 07:32:18 -44.3 Dark Up 39.9 143.6 Up 07:19:09 - 07:45:26 403
Wildwood 07:32:28 -43.1 Dark Up 37.6 140.8 Up 07:19:19 - 07:45:36 398
Yuma 07:32:14 -44.7 Dark Up 40.7 144.4 Up 07:19:06 - 07:45:23 391

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 14GX53, (2026/04/23 07:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.78 137
27Bet Lib      15:17:00.3 -09:22:59  2.6  7.03 116
PPM 198725     15:34:26.5 -09:11:01  5.6  2.76 119
PPM 198930     15:45:48.1 -09:42:19  8.4  0.13 122
14GX53         15:45:29.6 -09:36:02 13.8       122
Positions are for J2000

Event circumstances last updated at 2019/06/02 20:12:55 UT

Marc W. Buie, Southwest Research Institute

RECON