RECON: TNO occultation with 14SA365

Event between 14SA365 and star GA0840:00686385 with event index number of 2516042

Geocentric closest approach at 2021/12/12 11:41:34 UTC

J2000 position of star is 05:43:30.6 -04:37:14
Equinox of date position of star is 05:44:35.7 -04:36:43
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon. Moon is 64% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 36.5 AU from the Sun and 35.6 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 188 seconds.
The 1-sigma cross-track error in the shadow position is 1671 km.
The sky-plane scale is 25850.7 km/arcsec.

The TNO has an absolute magnitude Hv=6.8
Diameter=269.2 km assuming a 5% albedo -- 10.8 sec chord
Diameter=109.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14SA365, (2021/12/12 11:42UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:35.6 -08:10:40  0.1  8.04  70
Saiph          05:48:47.9 -09:39:48  2.1  5.16  79
PPM 188423     05:47:08.3 -04:15:42  5.6  0.72  78
PPM 188399     05:45:07.9 -04:33:03  7.8  0.15  78
14SA365        05:44:35.8 -04:36:43 15.9        78
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 4.8 sigma about the mid-time.
The median site spacing is 20.7 km RECON observability=1.0 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 11:39:04 -29.9 Dark Down 11.6 246.6 Really Low 11:24:04 - 11:54:04 9984
Kamloops 11:39:22 -39.0 Dark Down 20.1 234.4 Low 11:24:22 - 11:54:22 9979
Kelowna 11:39:18 -38.6 Dark Down 20.1 235.4 Low 11:24:18 - 11:54:18 9917
Peachland 11:39:18 -38.8 Dark Down 20.3 235.2 Low 11:24:18 - 11:54:18 9911
Summerland 11:39:18 -38.8 Dark Down 20.4 235.3 Low 11:24:18 - 11:54:18 9900
Penticton 11:39:17 -38.7 Dark Down 20.3 235.4 Low 11:24:17 - 11:54:17 9895
Oliver 11:39:17 -38.8 Dark Down 20.5 235.6 Low 11:24:17 - 11:54:17 9870
Anarchist Mountain Observatory 11:39:16 -38.7 Dark Down 20.5 235.8 Low 11:24:16 - 11:54:16 9857
Victoria 11:39:22 -41.4 Dark Down 23.0 232.3 Low 11:24:22 - 11:54:22 9848
Tonasket 11:39:15 -38.8 Dark Down 20.8 235.8 Low 11:24:15 - 11:54:15 9835
Okanogan 11:39:15 -38.9 Dark Down 21.0 235.8 Low 11:24:15 - 11:54:15 9811
Brewster 11:39:15 -39.1 Dark Down 21.3 235.7 Low 11:24:15 - 11:54:15 9793
Manson/Chelan 11:39:15 -39.4 Dark Down 21.6 235.4 Low 11:24:15 - 11:54:15 9780
Wenatchee 11:39:14 -39.5 Dark Down 22.0 235.4 Low 11:24:14 - 11:54:14 9747
Ellensburg 11:39:13 -39.8 Dark Down 22.3 235.4 Low 11:24:13 - 11:54:13 9718
Yakima 11:39:12 -39.8 Dark Down 22.6 235.5 Low 11:24:12 - 11:54:12 9688
Toppenish/White Swan 11:39:12 -39.7 Dark Down 22.6 235.7 Low 11:24:12 - 11:54:12 9670
Pasco 11:39:09 -38.9 Dark Down 22.0 236.9 Low 11:24:09 - 11:54:09 9652
PNWRO 11:39:08 -38.8 Dark Down 22.0 237.1 Low 11:24:08 - 11:54:08 9632
Goldendale 11:39:11 -40.1 Dark Down 23.2 235.5 Low 11:24:11 - 11:54:11 9632
The Dalles 11:39:11 -40.4 Dark Down 23.5 235.3 Low 11:24:11 - 11:54:11 9617
Maupin 11:39:10 -40.4 Dark Down 23.7 235.5 Low 11:24:10 - 11:54:10 9584
Sisters 11:39:10 -40.8 Dark Down 24.5 235.4 Low 11:24:10 - 11:54:10 9520
Redmond 11:39:08 -40.6 Dark Down 24.3 235.8 Low 11:24:08 - 11:54:08 9516
Bend 11:39:09 -40.7 Dark Down 24.5 235.7 Low 11:24:09 - 11:54:09 9500
Oregon Observatory 11:39:09 -40.8 Dark Down 24.6 235.7 Low 11:24:09 - 11:54:09 9487
La Pine/Gilchrist 11:39:08 -40.9 Dark Down 24.8 235.7 Low 11:24:08 - 11:54:08 9472
North Lake 11:39:06 -40.5 Dark Down 24.7 236.4 Low 11:24:06 - 11:54:06 9433
Paisley 11:39:04 -40.3 Dark Down 24.8 236.9 Low 11:24:04 - 11:54:04 9386
Chiloquin 11:39:06 -41.2 Dark Down 25.6 235.8 Low 11:24:06 - 11:54:06 9386
Klamath Falls 11:39:06 -41.2 Dark Down 25.8 236.0 Low 11:24:06 - 11:54:06 9358
Lakeview 11:39:02 -40.2 Dark Down 24.9 237.3 Low 11:24:02 - 11:54:02 9344
Cedarville 11:39:01 -40.1 Dark Down 25.2 237.7 Low 11:24:01 - 11:54:01 9290
Fall River/Burney 11:39:02 -41.0 Dark Down 26.2 236.8 Low 11:24:02 - 11:54:02 9259
Susanville 11:38:59 -40.5 Dark Down 26.1 237.7 Low 11:23:59 - 11:53:59 9202
Greenville 11:39:00 -40.7 Dark Down 26.4 237.6 Low 11:24:00 - 11:54:00 9181
Gimple 11:38:59 -40.7 Dark Down 26.4 237.6 Low 11:23:59 - 11:53:59 9180
Quincy 11:38:59 -40.8 Dark Down 26.5 237.6 Low 11:23:59 - 11:53:59 9164
Portola 11:38:58 -40.4 Dark Down 26.3 238.1 Low 11:23:58 - 11:53:58 9150
Reno 11:38:56 -39.9 Dark Down 26.0 238.7 Low 11:23:56 - 11:53:56 9122
Carson City 11:38:55 -39.9 Dark Down 26.2 238.9 Low 11:23:55 - 11:53:55 9092
Gardnerville 11:38:55 -39.9 Dark Down 26.3 239.1 Low 11:23:55 - 11:53:55 9071
Yerington 11:38:53 -39.4 Dark Down 25.9 239.5 Low 11:23:53 - 11:53:53 9070
Dunrhomin 11:38:31 -28.8 Dark Down 15.6 249.7 Really Low 11:23:31 - 11:53:31 9066
Hawthorne 11:38:52 -39.0 Dark Down 25.7 240.1 Low 11:23:52 - 11:53:52 9027
Lee Vining 11:38:51 -39.4 Dark Down 26.3 240.0 Low 11:23:51 - 11:53:51 8982
Tonopah 11:38:48 -37.9 Dark Down 25.0 241.4 Low 11:23:48 - 11:53:48 8975
Bishop 11:38:48 -38.8 Dark Down 26.2 240.8 Low 11:23:48 - 11:53:48 8924
Beatty 11:38:44 -37.5 Dark Down 25.2 242.3 Low 11:23:44 - 11:53:44 8870
Indian Springs 11:38:41 -36.7 Dark Down 24.6 243.2 Low 11:23:41 - 11:53:41 8833
Henderson 11:38:39 -36.1 Dark Down 24.4 244.0 Low 11:23:39 - 11:53:39 8779
CPSLO 11:38:50 -40.6 Dark Down 28.8 239.9 Low 11:23:50 - 11:53:50 8761
Patrick 11:38:35 -35.1 Dark Down 23.8 245.0 Low 11:23:35 - 11:53:35 8714
Laughlin/Bullhead City 11:38:36 -35.7 Dark Down 24.5 244.6 Low 11:23:36 - 11:53:36 8698
Kingman/Dolan Springs 11:38:35 -35.3 Dark Down 24.1 245.0 Low 11:23:35 - 11:53:35 8696
Mohave Valley 11:38:36 -35.7 Dark Down 24.6 244.7 Low 11:23:36 - 11:53:36 8673
Wildwood 11:38:43 -38.9 Dark Down 27.9 242.1 Low 11:23:43 - 11:53:43 8635
Lake Havasu City 11:38:35 -35.4 Dark Down 24.6 245.1 Low 11:23:35 - 11:53:35 8635
Parker 11:38:34 -35.4 Dark Down 24.7 245.2 Low 11:23:34 - 11:53:34 8603
Idyllwild 11:38:38 -37.3 Dark Down 26.7 243.7 Low 11:23:38 - 11:53:38 8587
Blythe 11:38:33 -35.6 Dark Down 25.1 245.2 Low 11:23:33 - 11:53:33 8557
George/Scottsdale 11:38:28 -33.3 Dark Down 23.0 247.1 Low 11:23:28 - 11:53:28 8543
Calipatria 11:38:34 -36.3 Dark Down 26.0 244.8 Low 11:23:34 - 11:53:34 8520
Yuma 11:38:32 -35.5 Dark Down 25.6 245.6 Low 11:23:32 - 11:53:32 8473

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 14SA365, (2021/12/12 11:42UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  8.04  70
Saiph          05:47:45.4 -09:40:11  2.1  5.16  79
PPM 188423     05:46:03.0 -04:16:08  5.6  0.72  78
PPM 188399     05:44:02.7 -04:33:32  7.8  0.15  78
14SA365        05:43:30.6 -04:37:14 15.9        77
Positions are for J2000

Event circumstances last updated at 2021/12/05 01:59:55 UT

Marc W. Buie, Southwest Research Institute

RECON