RECON: TNO occultation with 14FB72

Event between 14FB72 and star GA0700:07596816 with event index number of 2473088

Geocentric closest approach at 2024/06/17 09:00:43 UTC

J2000 position of star is 17:01:53.8 -19:04:32
Equinox of date position of star is 17:03:18.2 -19:06:31
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 45 degrees from the moon. Moon is 78% illuminated.
Apparent brightness V=21.7

[RECON map]
Object is 20.7 AU from the Sun and 19.7 AU from the Earth.
Apparent velocity is 22.6 km/sec on the sky relative to the star, or, 5.7 arcsec/hr.
The 1-sigma error in the time of the event is 49 seconds.
The 1-sigma cross-track error in the shadow position is 740 km.
The sky-plane scale is 14300.5 km/arcsec.

The object has an absolute magnitude Hv=8.6
Diameter=117.5 km assuming a 5% albedo -- 5.2 sec chord
Diameter=48.0 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14FB72, (2024/06/17 09:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.7 -26:29:03  0.9 10.49  39
35Eta Oph      17:11:47.0 -15:45:13  2.6  3.91  47
29 Oph         17:03:17.3 -18:55:10  5.9  0.19  45
PPM 232481     17:02:51.0 -18:58:12  8.3  0.18  45
PPM 232494     17:03:30.0 -19:14:33  9.4  0.14  45
14FB72         17:03:19.9 -19:06:34 15.9        46
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 0.0 km RECON observability=0.7 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 08:59:37 -10.4 NT Down 10.9 217.9 Really Low 08:55:01 - 09:04:13 8167
Kamloops 09:00:12 -14.8 AT Up 16.8 205.0 Really Low 08:55:36 - 09:04:48 8151
Kelowna 09:00:08 -15.5 AT Up 17.3 205.9 Really Low 08:55:32 - 09:04:44 8123
Peachland 09:00:08 -15.6 AT Up 17.4 205.6 Really Low 08:55:32 - 09:04:44 8119
Summerland 09:00:08 -15.8 AT Up 17.6 205.8 Really Low 08:55:32 - 09:04:44 8113
Penticton 09:00:07 -15.8 AT Up 17.6 205.9 Really Low 08:55:31 - 09:04:43 8111
Oliver 09:00:06 -16.2 AT Up 17.9 205.9 Really Low 08:55:30 - 09:04:42 8098
Anarchist Mountain Observatory 09:00:05 -16.3 AT Up 18.0 206.1 Really Low 08:55:29 - 09:04:41 8092
Okanogan 09:00:05 -17.0 AT Up 18.6 206.0 Really Low 08:55:29 - 09:04:41 8067
Victoria 09:00:17 -17.4 AT Up 19.5 202.4 Really Low 08:55:41 - 09:04:53 8066
Brewster 09:00:04 -17.3 AT Up 19.0 205.8 Really Low 08:55:28 - 09:04:40 8056
Manson/Chelan 09:00:06 -17.5 AT Up 19.2 205.5 Really Low 08:55:30 - 09:04:42 8047
Wenatchee 09:00:05 -18.0 Dark Up 19.7 205.4 Really Low 08:55:29 - 09:04:41 8028
Ellensburg 09:00:05 -18.4 Dark Up 20.2 205.3 Low 08:55:29 - 09:04:41 8011
Yakima 09:00:04 -18.8 Dark Up 20.5 205.3 Low 08:55:28 - 09:04:40 7994
Toppenish/White Swan 09:00:03 -19.0 Dark Up 20.7 205.5 Low 08:55:27 - 09:04:39 7985
PNWRO 08:59:59 -19.1 Dark Up 20.6 207.0 Low 08:55:23 - 09:04:35 7971
The Dalles 09:00:04 -19.9 Dark Up 21.6 204.9 Low 08:55:28 - 09:04:40 7951
Maupin 09:00:03 -20.3 Dark Up 22.0 205.1 Low 08:55:27 - 09:04:39 7933
Sisters 09:00:04 -21.2 Dark Up 22.9 204.7 Low 08:55:28 - 09:04:40 7893
Bend 09:00:03 -21.4 Dark Up 23.1 205.0 Low 08:55:27 - 09:04:39 7882
Oregon Observatory 09:00:03 -21.6 Dark Up 23.2 204.9 Low 08:55:27 - 09:04:39 7874
Chiloquin 09:00:01 -23.0 Dark Up 24.6 204.8 Low 08:55:25 - 09:04:37 7810
Klamath Falls 09:00:01 -23.3 Dark Up 24.9 204.9 Low 08:55:25 - 09:04:37 7793
Cedarville 08:59:55 -23.7 Dark Up 25.0 206.6 Low 08:55:19 - 09:04:31 7761
Fall River/Burney 08:59:58 -24.4 Dark Up 25.8 205.5 Low 08:55:22 - 09:04:34 7734
Greenville 08:59:54 -25.2 Dark Up 26.5 206.1 Low 08:55:18 - 09:04:30 7688
Gimple 08:59:55 -25.2 Dark Up 26.5 206.2 Low 08:55:19 - 09:04:31 7688
Quincy 08:59:54 -25.4 Dark Up 26.7 206.2 Low 08:55:18 - 09:04:30 7677
Portola 08:59:52 -25.4 Dark Up 26.6 206.7 Low 08:55:16 - 09:04:28 7671
Reno 08:59:49 -25.5 Dark Up 26.6 207.4 Low 08:55:13 - 09:04:25 7657
Dunrhomin 08:59:05 -20.7 Dark Down 19.8 220.5 Really Low 08:54:29 - 09:03:41 7653
Nikitin 08:59:05 -20.9 Dark Down 20.0 220.5 Really Low 08:54:29 - 09:03:41 7644
CU-SBO 08:59:04 -21.0 Dark Down 20.1 220.4 Low 08:54:28 - 09:03:40 7641
Carson City 08:59:49 -25.9 Dark Up 26.9 207.5 Low 08:55:13 - 09:04:25 7638
Yerington 08:59:46 -25.9 Dark Up 26.9 208.1 Low 08:55:10 - 09:04:22 7628
Gardnerville 08:59:48 -26.1 Dark Up 27.1 207.6 Low 08:55:12 - 09:04:24 7624
Hawthorne 08:59:44 -26.3 Dark Up 27.1 208.7 Low 08:55:08 - 09:04:20 7602
Lee Vining 08:59:44 -26.9 Dark Up 27.8 208.4 Low 08:55:08 - 09:04:20 7571
Bishop 08:59:41 -27.3 Dark Up 28.0 209.3 Low 08:55:05 - 09:04:17 7536
Beatty 08:59:34 -27.4 Dark Up 27.8 210.9 Low 08:54:58 - 09:04:10 7509
Patrick 08:59:22 -28.0 Dark Up 27.8 214.1 Low 08:54:46 - 09:03:58 7415
Laughlin/Bullhead City 08:59:24 -28.4 Dark Up 28.3 213.5 Low 08:54:48 - 09:04:00 7401
Lake Havasu City 08:59:21 -29.0 Dark Up 28.8 213.9 Low 08:54:45 - 09:03:57 7359
Wildwood 08:59:36 -30.5 Dark Up 31.0 210.0 Up 08:55:00 - 09:04:12 7338
Idyllwild 08:59:29 -30.4 Dark Up 30.5 211.9 Up 08:54:53 - 09:04:05 7316
George/Scottsdale 08:59:12 -28.9 Dark Up 28.3 216.4 Low 08:54:36 - 09:03:48 7304
Calipatria 08:59:24 -30.6 Dark Up 30.5 213.2 Up 08:54:48 - 09:04:00 7274
Yuma 08:59:19 -30.8 Dark Up 30.4 214.2 Up 08:54:43 - 09:03:55 7245

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 14FB72, (2024/06/17 09:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.49  39
35Eta Oph      17:10:22.7 -15:43:29  2.6  3.91  47
29 Oph         17:01:51.2 -18:53:08  5.9  0.19  45
PPM 232481     17:01:24.9 -18:56:09  8.3  0.18  45
PPM 232494     17:02:03.7 -19:12:32  9.4  0.14  45
14FB72         17:01:53.8 -19:04:32 15.9        45
Positions are for J2000

Event circumstances last updated at 2023/12/16 05:09:50 UT

Marc W. Buie, Southwest Research Institute

RECON