RECON: TNO occultation with 14JQ92

Event between 14JQ92 and star GA0880:07324855 with event index number of 2491176

Geocentric closest approach at 2023/06/03 09:47:35 UTC

J2000 position of star is 18:12:38.7 -00:03:51
Equinox of date position of star is 18:13:48.7 -00:03:25
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 40 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 27.4 AU from the Sun and 26.6 AU from the Earth.
The TNO is moving 21.2 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 126 seconds.
The 1-sigma cross-track error in the shadow position is 1155 km.
The sky-plane scale is 19262.8 km/arcsec.

The TNO has an absolute magnitude Hv=8.4
Diameter=127.6 km assuming a 5% albedo -- 6.0 sec chord
Diameter=52.1 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 14JQ92, (2023/06/03 09:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.8 -26:28:55  0.9 36.23   7
60Bet Oph      17:44:37.8 +04:33:33  2.8  8.63  37
PPM 201570     18:18:06.8 -02:59:57  5.9  3.13  39
PPM 165460     18:15:45.7 +00:11:04  7.7  0.54  40
PPM 165357     18:12:58.1 +00:07:38  9.4  0.29  39
PPM 180271     18:13:46.6 -00:11:30 10.9  0.14  39
14JQ92         18:13:50.8 -00:03:24 14.9        40
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 23.2 km RECON observability=0.8 and success probability=24.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:47:05 -7.3 NT Up 35.4 203.9 Up 09:36:06 - 09:58:03 2014
Kamloops 09:47:48 -13.2 AT Up 39.1 186.5 Up 09:36:50 - 09:58:47 1796
Kelowna 09:47:45 -13.7 AT Up 39.8 187.7 Up 09:36:46 - 09:58:43 1748
Peachland 09:47:45 -13.9 AT Up 40.0 187.3 Up 09:36:47 - 09:58:44 1737
Summerland 09:47:45 -14.0 AT Up 40.1 187.5 Up 09:36:47 - 09:58:44 1728
Penticton 09:47:45 -14.0 AT Up 40.2 187.6 Up 09:36:46 - 09:58:43 1724
Oliver 09:47:44 -14.3 AT Up 40.5 187.7 Up 09:36:46 - 09:58:43 1699
Anarchist Mountain Observatory 09:47:43 -14.4 AT Up 40.7 187.9 Up 09:36:45 - 09:58:42 1689
Tonasket 09:47:43 -14.7 AT Up 41.0 187.9 Up 09:36:45 - 09:58:42 1666
Okanogan 09:47:44 -15.1 AT Up 41.3 187.7 Up 09:36:45 - 09:58:42 1640
Brewster 09:47:44 -15.4 AT Up 41.6 187.5 Up 09:36:46 - 09:58:43 1619
Victoria 09:47:57 -16.0 AT Up 41.4 182.7 Up 09:36:59 - 09:58:56 1616
Manson/Chelan 09:47:45 -15.7 AT Up 41.8 187.0 Up 09:36:47 - 09:58:44 1600
Wenatchee 09:47:46 -16.1 AT Up 42.3 186.8 Up 09:36:47 - 09:58:44 1564
Ellensburg 09:47:46 -16.6 AT Up 42.8 186.6 Up 09:36:48 - 09:58:45 1531
Yakima 09:47:46 -17.0 AT Up 43.2 186.6 Up 09:36:48 - 09:58:45 1500
Toppenish/White Swan 09:47:45 -17.1 AT Up 43.4 186.9 Up 09:36:47 - 09:58:44 1486
PNWRO 09:47:39 -17.0 AT Up 43.6 188.9 Up 09:36:41 - 09:58:38 1473
Goldendale 09:47:46 -17.7 AT Up 43.9 186.3 Up 09:36:48 - 09:58:45 1440
The Dalles 09:47:47 -18.0 Dark Up 44.2 185.9 Up 09:36:49 - 09:58:46 1419
Maupin 09:47:47 -18.4 Dark Up 44.6 186.0 Up 09:36:48 - 09:58:45 1388
Sisters 09:47:48 -19.3 Dark Up 45.5 185.4 Up 09:36:49 - 09:58:46 1315
Bend 09:47:47 -19.5 Dark Up 45.7 185.8 Up 09:36:48 - 09:58:45 1299
Oregon Observatory 09:47:47 -19.7 Dark Up 45.9 185.7 Up 09:36:49 - 09:58:46 1284
North Lake 09:47:45 -20.1 Dark Up 46.5 186.5 Up 09:36:46 - 09:58:43 1239
Chiloquin 09:47:48 -21.0 Dark Up 47.3 185.2 Up 09:36:49 - 09:58:46 1175
Lakeview 09:47:42 -20.8 Dark Up 47.5 187.4 Up 09:36:43 - 09:58:40 1160
Dunrhomin 09:46:42 -16.2 AT Up 45.8 209.3 Up 09:35:44 - 09:57:41 1159
Klamath Falls 09:47:47 -21.3 Dark Up 47.6 185.3 Up 09:36:49 - 09:58:46 1148
CU-SBO 09:46:42 -16.5 AT Up 46.0 209.3 Up 09:35:44 - 09:57:41 1138
Cedarville 09:47:41 -21.4 Dark Up 48.1 187.8 Up 09:36:42 - 09:58:39 1109
Fall River/Burney 09:47:45 -22.2 Dark Up 48.7 186.0 Up 09:36:46 - 09:58:43 1056
Susanville 09:47:42 -22.5 Dark Up 49.3 187.2 Up 09:36:43 - 09:58:40 1012
Gimple 09:47:42 -22.8 Dark Up 49.6 186.9 Up 09:36:44 - 09:58:41 986
Greenville 09:47:42 -22.9 Dark Up 49.6 186.8 Up 09:36:44 - 09:58:41 985
Quincy 09:47:42 -23.0 Dark Up 49.8 186.9 Up 09:36:44 - 09:58:41 969
Portola 09:47:40 -23.0 Dark Up 49.9 187.6 Up 09:36:42 - 09:58:39 963
Reno 09:47:38 -23.0 Dark Up 50.1 188.6 Up 09:36:39 - 09:58:36 948
Carson City 09:47:37 -23.3 Dark Up 50.4 188.7 Up 09:36:39 - 09:58:36 918
Yerington 09:47:35 -23.3 Dark Up 50.5 189.7 Up 09:36:36 - 09:58:33 908
Gardnerville 09:47:37 -23.5 Dark Up 50.7 188.8 Up 09:36:38 - 09:58:35 898
Hawthorne 09:47:32 -23.5 Dark Up 50.9 190.6 Up 09:36:34 - 09:58:31 875
Tonopah 09:47:26 -23.3 Dark Up 51.2 193.0 Up 09:36:27 - 09:58:24 850
Lee Vining 09:47:34 -24.2 Dark Up 51.5 190.0 Up 09:36:35 - 09:58:32 821
Bishop 09:47:30 -24.4 Dark Up 52.0 191.3 Up 09:36:32 - 09:58:29 777
Beatty 09:47:23 -24.2 Dark Up 52.2 194.0 Up 09:36:25 - 09:58:22 755
Indian Springs 09:47:18 -24.0 Dark Up 52.3 195.8 Up 09:36:20 - 09:58:17 739
Henderson 09:47:15 -24.1 Dark Up 52.7 197.1 Up 09:36:16 - 09:58:13 699
Patrick 09:47:10 -24.2 Dark Up 53.0 199.1 Up 09:36:11 - 09:58:08 657
Kingman/Dolan Springs 09:47:10 -24.4 Dark Up 53.2 198.9 Up 09:36:12 - 09:58:09 635
Laughlin/Bullhead City 09:47:12 -24.7 Dark Up 53.4 198.1 Up 09:36:14 - 09:58:11 627
Mohave Valley 09:47:12 -24.9 Dark Up 53.6 198.2 Up 09:36:14 - 09:58:11 603
Lake Havasu City 09:47:11 -25.1 Dark Up 54.0 198.8 Up 09:36:12 - 09:58:09 570
Parker 09:47:10 -25.4 Dark Up 54.3 199.0 Up 09:36:12 - 09:58:09 539
George/Scottsdale 09:47:00 -24.6 Dark Up 54.0 203.1 Up 09:36:01 - 09:57:58 529
Wildwood 09:47:28 -27.3 Dark Up 55.3 191.8 Up 09:36:30 - 09:58:27 486
Idyllwild 09:47:20 -26.8 Dark Up 55.3 195.1 Up 09:36:21 - 09:58:18 475
Calipatria 09:47:14 -26.8 Dark Up 55.6 197.4 Up 09:36:16 - 09:58:13 433
Yuma 09:47:10 -26.8 Dark Up 55.8 199.1 Up 09:36:12 - 09:58:09 404

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 14JQ92, (2023/06/03 09:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 36.23   7
60Bet Oph      17:43:28.3 +04:34:06  2.8  8.63  37
PPM 201570     18:16:53.1 -03:00:33  5.9  3.13  39
PPM 165460     18:14:33.8 +00:10:33  7.7  0.54  40
PPM 165357     18:11:46.1 +00:07:12  9.4  0.29  39
PPM 180271     18:12:34.5 -00:11:57 10.9  0.14  39
14JQ92         18:12:38.7 -00:03:51 14.9        39
Positions are for J2000

Event circumstances last updated at 2022/09/29 04:26:43 UT

Marc W. Buie, Southwest Research Institute

RECON