RECON: TNO occultation with 14OJ394

Event between 14OJ394 and star GA0680:35768226 with event index number of 2511885

Geocentric closest approach at 2024/07/21 10:41:37 UTC

J2000 position of star is 20:00:47.9 -21:30:54
Equinox of date position of star is 20:02:08.4 -21:27:03
Stellar brightness G=12.4, use SENSEUP=16 with the MallinCam and and exposure time of 250 milli-seconds with the QHY174 camera.
Star is 4 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 49.5 AU from the Sun and 48.5 AU from the Earth.
The TNO is moving 25.9 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 120 seconds.
The 1-sigma cross-track error in the shadow position is 3180 km.
The sky-plane scale is 35167.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.1
Diameter=583.5 km assuming a 5% albedo -- 22.6 sec chord
Diameter=238.2 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14OJ394, (2024/07/21 10:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:00.1 -29:29:29  1.2 40.46  37
38Zet Sgr      19:04:10.3 -29:50:34  2.7 15.53  16
PPM 270580     20:02:51.2 -22:40:05  6.0  1.23   3
PPM 270572     20:02:36.4 -21:23:36  8.4  0.10   4
14OJ394        20:02:14.5 -21:26:45 12.4         4
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 81.0 km RECON observability=0.1 and success probability=1.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:39:36 -11.5 NT Up 10.0 216.5 Really Low 10:29:07 - 10:50:05 -1749
Victoria 10:39:38 -14.4 AT Up 12.9 214.1 Really Low 10:29:09 - 10:50:07 -1785
Peachland 10:39:33 -12.1 AT Up 10.6 217.1 Really Low 10:29:04 - 10:50:02 -1806
Kelowna 10:39:32 -11.9 NT Up 10.4 217.4 Really Low 10:29:03 - 10:50:01 -1808
Summerland 10:39:32 -12.1 AT Up 10.6 217.2 Really Low 10:29:03 - 10:50:01 -1816
Penticton 10:39:32 -12.2 AT Up 10.6 217.3 Really Low 10:29:03 - 10:50:01 -1822
Oliver 10:39:32 -12.4 AT Up 10.9 217.4 Really Low 10:29:03 - 10:50:01 -1839
Anarchist Mountain Observatory 10:39:31 -12.5 AT Up 11.0 217.5 Really Low 10:29:02 - 10:50:00 -1851
Tonasket 10:39:30 -12.8 AT Up 11.3 217.5 Really Low 10:29:01 - 10:49:59 -1866
Okanogan 10:39:30 -13.1 AT Up 11.6 217.4 Really Low 10:29:01 - 10:49:59 -1879
Brewster 10:39:30 -13.4 AT Up 11.9 217.3 Really Low 10:29:01 - 10:49:59 -1888
Manson/Chelan 10:39:30 -13.7 AT Up 12.2 217.0 Really Low 10:29:01 - 10:49:59 -1890
Wenatchee 10:39:30 -14.2 AT Up 12.7 216.9 Really Low 10:29:01 - 10:49:59 -1911
Ellensburg 10:39:30 -14.6 AT Up 13.1 216.8 Really Low 10:29:01 - 10:49:59 -1927
Yakima 10:39:29 -14.9 AT Up 13.4 216.8 Really Low 10:29:00 - 10:49:58 -1948
Toppenish/White Swan 10:39:28 -15.0 AT Up 13.5 217.0 Really Low 10:28:59 - 10:49:57 -1964
Goldendale 10:39:28 -15.7 AT Up 14.1 216.7 Really Low 10:28:59 - 10:49:57 -1983
The Dalles 10:39:28 -16.0 AT Up 14.5 216.4 Really Low 10:28:59 - 10:49:57 -1987
Maupin 10:39:28 -16.3 AT Up 14.8 216.6 Really Low 10:28:59 - 10:49:57 -2012
Sleaford 10:39:13 -4.5 CT Up 3.0 228.4 Really Low 10:28:44 - 10:49:42 -2016
PNWRO 10:39:24 -14.7 AT Up 13.2 218.3 Really Low 10:28:55 - 10:49:53 -2020
Sisters 10:39:27 -17.2 AT Up 15.7 216.3 Really Low 10:28:58 - 10:49:56 -2049
Bend 10:39:27 -17.3 AT Up 15.8 216.6 Really Low 10:28:58 - 10:49:56 -2068
Oregon Observatory 10:39:26 -17.5 AT Up 16.0 216.5 Really Low 10:28:57 - 10:49:55 -2075
North Lake 10:39:24 -17.8 AT Up 16.2 217.0 Really Low 10:28:55 - 10:49:53 -2125
Chiloquin 10:39:25 -18.7 Dark Up 17.2 216.3 Really Low 10:28:56 - 10:49:54 -2141
Klamath Falls 10:39:25 -19.0 Dark Up 17.4 216.5 Really Low 10:28:56 - 10:49:54 -2163
Lakeview 10:39:21 -18.4 Dark Up 16.8 217.7 Really Low 10:28:52 - 10:49:50 -2201
Fall River/Burney 10:39:22 -19.8 Dark Up 18.2 217.0 Really Low 10:28:53 - 10:49:51 -2244
Cedarville 10:39:20 -18.8 Dark Up 17.3 218.0 Really Low 10:28:51 - 10:49:49 -2246
Susanville 10:39:19 -19.9 Dark Up 18.4 217.8 Really Low 10:28:50 - 10:49:48 -2302
Greenville 10:39:19 -20.3 Dark Up 18.7 217.6 Really Low 10:28:50 - 10:49:48 -2312
Gimple 10:39:19 -20.2 Dark Up 18.7 217.6 Really Low 10:28:50 - 10:49:48 -2314
Quincy 10:39:19 -20.4 Dark Up 18.9 217.6 Really Low 10:28:50 - 10:49:48 -2324
Portola 10:39:18 -20.3 Dark Up 18.8 218.0 Really Low 10:28:49 - 10:49:47 -2345
Reno 10:39:16 -20.2 Dark Up 18.7 218.6 Really Low 10:28:47 - 10:49:45 -2379
Carson City 10:39:15 -20.5 Dark Up 18.9 218.7 Really Low 10:28:46 - 10:49:44 -2403
Gardnerville 10:39:15 -20.7 Dark Up 19.1 218.8 Really Low 10:28:46 - 10:49:44 -2420
Yerington 10:39:14 -20.3 Dark Up 18.8 219.3 Really Low 10:28:45 - 10:49:43 -2432
Hawthorne 10:39:11 -20.4 Dark Up 18.9 219.8 Really Low 10:28:42 - 10:49:40 -2477
Lee Vining 10:39:12 -21.1 Dark Up 19.6 219.6 Really Low 10:28:43 - 10:49:41 -2501
Tonopah 10:39:07 -20.1 Dark Up 18.5 221.1 Really Low 10:28:38 - 10:49:36 -2547
Bishop 10:39:09 -21.2 Dark Up 19.7 220.3 Really Low 10:28:40 - 10:49:38 -2562
Beatty 10:39:05 -20.7 Dark Up 19.2 221.7 Really Low 10:28:36 - 10:49:34 -2640
Indian Springs 10:39:01 -20.4 Dark Up 18.8 222.6 Really Low 10:28:32 - 10:49:30 -2694
Dunrhomin 10:38:45 -12.0 NT Up 10.4 229.9 Really Low 10:28:16 - 10:49:14 -2751
Henderson 10:38:59 -20.4 Dark Up 18.8 223.3 Really Low 10:28:30 - 10:49:28 -2752
CU-SBO 10:38:45 -12.2 AT Up 10.6 229.9 Really Low 10:28:16 - 10:49:14 -2765
Wildwood 10:39:06 -23.8 Dark Up 22.3 220.9 Low 10:28:37 - 10:49:35 -2784
Laughlin/Bullhead City 10:38:57 -20.8 Dark Up 19.3 223.8 Really Low 10:28:28 - 10:49:26 -2826
Patrick 10:38:56 -20.3 Dark Up 18.7 224.3 Really Low 10:28:27 - 10:49:25 -2830
Kingman/Dolan Springs 10:38:56 -20.5 Dark Up 18.9 224.2 Really Low 10:28:27 - 10:49:25 -2840
Mohave Valley 10:38:56 -21.0 Dark Up 19.4 223.9 Really Low 10:28:27 - 10:49:25 -2846
Idyllwild 10:39:00 -23.1 Dark Up 21.5 222.5 Low 10:28:31 - 10:49:29 -2866
Lake Havasu City 10:38:55 -21.2 Dark Up 19.6 224.2 Really Low 10:28:26 - 10:49:24 -2883
Parker 10:38:55 -21.4 Dark Up 19.8 224.3 Really Low 10:28:26 - 10:49:24 -2910
Calipatria 10:38:56 -22.8 Dark Up 21.3 223.6 Low 10:28:27 - 10:49:25 -2947
Yuma 10:38:54 -22.6 Dark Up 21.1 224.4 Low 10:28:25 - 10:49:23 -3007
George/Scottsdale 10:38:48 -20.3 Dark Up 18.7 226.2 Really Low 10:28:19 - 10:49:17 -3016

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 14OJ394, (2024/07/21 10:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 40.46  37
38Zet Sgr      19:02:36.7 -29:52:49  2.7 15.53  16
PPM 270580     20:01:23.9 -22:44:15  6.0  1.23   3
PPM 270572     20:01:09.8 -21:27:46  8.4  0.10   4
14OJ394        20:00:47.9 -21:30:54 12.4         4
Positions are for J2000

Event circumstances last updated at 2022/10/21 03:13:43 UT

Marc W. Buie, Southwest Research Institute

RECON