RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0680:14582794 with event index number of 2503631

Geocentric closest approach at 2024/07/10 05:04:33 UTC

J2000 position of star is 17:36:29.9 -20:26:52
Equinox of date position of star is 17:37:56.0 -20:27:40
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon. Moon is 17% illuminated.
Apparent brightness V=22.6

[RECON map]
Object is 32.3 AU from the Sun and 31.4 AU from the Earth.
Apparent velocity is 21.2 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 443 seconds.
The 1-sigma cross-track error in the shadow position is 1453 km.
The sky-plane scale is 22748.4 km/arcsec.

The object has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 8.9 sec chord
Diameter=77.1 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KX101, (2024/07/10 05:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.9 -26:29:03  0.9 16.49  92
35Eta Oph      17:11:47.2 -15:45:13  2.6  7.80 100
PPM 267109     17:40:13.4 -21:55:30  6.4  1.56 107
PPM 267087     17:39:18.3 -20:40:49  8.4  0.38 107
PPM 267055     17:37:36.5 -20:23:00  9.0  0.11 107
14KX101        17:37:57.5 -20:27:41 16.0       107
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 2.0 sigma about the mid-time.
The median site spacing is 21.8 km RECON observability=0.4 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:04:50 -10.9 NT Up 17.3 174.9 Really Low 04:49:50 - 05:19:50 5393
Kamloops 05:05:36 -6.9 NT Up 16.8 161.0 Really Low 04:50:36 - 05:20:36 5270
Kelowna 05:05:35 -7.9 NT Up 17.8 161.7 Really Low 04:50:35 - 05:20:35 5245
Peachland 05:05:36 -7.9 NT Up 17.8 161.4 Really Low 04:50:36 - 05:20:36 5239
Summerland 05:05:36 -8.0 NT Up 18.0 161.5 Really Low 04:50:36 - 05:20:36 5234
Penticton 05:05:35 -8.1 NT Up 18.1 161.6 Really Low 04:50:35 - 05:20:35 5232
Oliver 05:05:36 -8.4 NT Up 18.4 161.6 Really Low 04:50:36 - 05:20:36 5218
Anarchist Mountain Observatory 05:05:36 -8.6 NT Up 18.6 161.7 Really Low 04:50:36 - 05:20:36 5213
Okanogan 05:05:37 -9.0 NT Up 19.2 161.5 Really Low 04:50:37 - 05:20:37 5184
Brewster 05:05:38 -9.1 NT Up 19.4 161.2 Really Low 04:50:38 - 05:20:38 5171
Manson/Chelan 05:05:39 -9.1 NT Up 19.5 160.9 Really Low 04:50:39 - 05:20:39 5159
Victoria 05:05:42 -7.2 NT Up 18.2 157.8 Really Low 04:50:42 - 05:20:42 5159
Wenatchee 05:05:41 -9.4 NT Up 19.9 160.7 Really Low 04:50:41 - 05:20:41 5137
Ellensburg 05:05:42 -9.6 NT Up 20.3 160.4 Low 04:50:42 - 05:20:42 5117
Yakima 05:05:42 -9.9 NT Up 20.6 160.3 Low 04:50:42 - 05:20:42 5099
Toppenish/White Swan 05:05:41 -10.1 NT Up 20.9 160.5 Low 04:50:41 - 05:20:41 5091
PNWRO 05:05:38 -11.1 NT Up 21.6 161.9 Low 04:50:38 - 05:20:38 5087
The Dalles 05:05:42 -10.3 NT Up 21.4 159.6 Low 04:50:42 - 05:20:42 5048
Maupin 05:05:42 -10.7 NT Up 21.9 159.6 Low 04:50:42 - 05:20:42 5030
Sisters 05:05:42 -11.1 NT Up 22.6 159.0 Low 04:50:42 - 05:20:42 4985
Bend 05:05:42 -11.4 NT Up 22.8 159.2 Low 04:50:42 - 05:20:42 4975
Oregon Observatory 05:05:42 -11.5 NT Up 23.0 159.1 Low 04:50:42 - 05:20:42 4966
Chiloquin 05:05:52 -12.2 AT Up 24.1 158.5 Low 04:50:52 - 05:20:52 4893
Klamath Falls 05:05:52 -12.5 AT Up 24.4 158.5 Low 04:50:52 - 05:20:52 4875
Dunrhomin 05:04:52 -21.5 Dark Up 29.2 175.2 Low 04:49:52 - 05:19:52 4874
Nikitin 05:04:51 -21.6 Dark Up 29.3 175.2 Low 04:49:51 - 05:19:51 4864
CU-SBO 05:04:52 -21.7 Dark Up 29.4 175.1 Low 04:49:52 - 05:19:52 4860
Cedarville 05:05:42 -13.8 AT Up 25.5 160.0 Low 04:50:42 - 05:20:42 4856
Fall River/Burney 05:05:53 -13.6 AT Up 25.6 158.7 Low 04:50:53 - 05:20:53 4816
Gimple 05:05:52 -14.5 AT Up 26.6 159.1 Low 04:50:52 - 05:20:52 4771
Greenville 05:05:52 -14.5 AT Up 26.6 159.0 Low 04:50:52 - 05:20:52 4770
Quincy 05:05:52 -14.6 AT Up 26.8 159.0 Low 04:50:52 - 05:20:52 4759
Portola 05:05:50 -15.0 AT Up 27.0 159.4 Low 04:50:50 - 05:20:50 4757
Reno 05:05:42 -15.5 AT Up 27.5 160.0 Low 04:50:42 - 05:20:42 4750
Carson City 05:05:42 -15.8 AT Up 27.8 160.0 Low 04:50:42 - 05:20:42 4730
Yerington 05:05:42 -16.2 AT Up 28.2 160.6 Low 04:50:42 - 05:20:42 4724
Gardnerville 05:05:42 -16.0 AT Up 28.0 160.0 Low 04:50:42 - 05:20:42 4717
Hawthorne 05:05:42 -16.9 AT Up 28.7 161.0 Low 04:50:42 - 05:20:42 4701
Lee Vining 05:05:42 -17.0 AT Up 29.1 160.4 Low 04:50:42 - 05:20:42 4665
Bishop 05:05:42 -17.8 AT Up 29.9 161.1 Low 04:50:42 - 05:20:42 4634
Beatty 05:05:39 -19.0 Dark Up 30.7 162.7 Up 04:50:39 - 05:20:39 4620
Patrick 05:05:29 -21.7 Dark Up 32.8 165.5 Up 04:50:29 - 05:20:29 4550
Laughlin/Bullhead City 05:05:32 -21.5 Dark Up 32.9 164.7 Up 04:50:32 - 05:20:32 4529
Lake Havasu City 05:05:31 -22.1 Dark Up 33.6 164.8 Up 04:50:31 - 05:20:31 4488
George/Scottsdale 05:05:21 -24.0 Dark Up 34.8 167.4 Up 04:50:21 - 05:20:21 4454
Wildwood 05:05:42 -20.1 Dark Up 32.9 160.2 Up 04:50:42 - 05:20:42 4429
Idyllwild 05:05:42 -21.5 Dark Up 33.8 162.1 Up 04:50:42 - 05:20:42 4421
Calipatria 05:05:37 -22.6 Dark Up 34.6 163.3 Up 04:50:37 - 05:20:37 4389
Yuma 05:05:34 -23.4 Dark Up 35.3 164.2 Up 04:50:34 - 05:20:34 4367

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 14KX101, (2024/07/10 05:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.49  92
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.80 100
PPM 267109     17:38:44.8 -21:54:46  6.4  1.56 107
PPM 267087     17:37:50.6 -20:40:03  8.4  0.38 107
PPM 267055     17:36:09.0 -20:22:11  9.0  0.11 107
14KX101        17:36:29.9 -20:26:52 16.0       107
Positions are for J2000

Event circumstances last updated at 2024/02/13 04:32:40 UT

Marc W. Buie, Southwest Research Institute

RECON