RECON: TNO occultation with 444745

Event between (444745) 07JF43 and star GA0780:05207326 with event index number of 199110

Geocentric closest approach at 2019/06/15 05:13:31 UTC

J2000 position of star is 16:23:01.8 -11:34:48
Equinox of date position of star is 16:24:03.1 -11:37:19
Stellar brightness G=12.6, use SENSEUP=16
Star is 10 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=21.0

[RECON map]
TNO is 37.2 AU from the Sun and 36.2 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 84 seconds.
The 1-sigma cross-track error in the shadow position is 1316 km.
The sky-plane scale is 26285.0 km/arcsec.

The TNO has an absolute magnitude Hv=5.3
Diameter=524.8 km assuming a 5% albedo -- 22.7 sec chord
Diameter=214.3 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 444745, (2019/06/15 05:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 14.93  15
13Zet Oph      16:38:13.9 -10:36:18  2.6  3.61  13
15Psi Sco      16:13:04.0 -10:06:48  4.9  3.10   9
PPM 231649     16:25:16.8 -11:56:30  8.0  0.43  10
PPM 231635     16:24:31.4 -11:38:21  9.7  0.10  10
444745         16:24:06.4 -11:37:27 12.6        10
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 14.9 km RECON observability=0.5 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)
Penticton 05:14:13 -8.5 CT Up 25.5 154.3 Low 05:06:42 - 05:21:44 9226
Oroville 05:14:14 -9.1 CT Up 26.0 154.3 Low 05:06:43 - 05:21:45 9192
Tonasket 05:14:13 -9.2 CT Up 26.3 154.3 Low 05:06:42 - 05:21:44 9178
Okanogan 05:14:14 -9.4 CT Up 26.5 154.0 Low 05:06:43 - 05:21:45 9155
Brewster 05:14:15 -9.6 CT Up 26.7 153.8 Low 05:06:44 - 05:21:46 9136
Manson/Chelan 05:14:16 -9.6 CT Up 26.8 153.3 Low 05:06:45 - 05:21:47 9117
Entiat 05:14:17 -9.7 CT Up 27.0 153.2 Low 05:06:46 - 05:21:48 9102
Wenatchee 05:14:18 -9.9 CT Up 27.2 153.1 Low 05:06:47 - 05:21:49 9085
Ellensburg 05:14:19 -10.1 CT Up 27.5 152.7 Low 05:06:48 - 05:21:50 9055
Pasco 05:14:15 -11.3 CT Up 28.6 154.0 Low 05:06:44 - 05:21:46 9030
Yakima 05:14:18 -10.4 CT Up 27.8 152.6 Low 05:06:47 - 05:21:49 9029
PNWRO 05:14:14 -11.6 CT Up 28.8 154.2 Low 05:06:43 - 05:21:45 9018
Toppenish/White Swan 05:14:19 -10.7 CT Up 28.1 152.7 Low 05:06:48 - 05:21:50 9017
George/Umatilla 05:14:16 -11.5 CT Up 28.8 153.7 Low 05:06:45 - 05:21:47 9005
Goldendale 05:14:21 -10.9 CT Up 28.4 152.2 Low 05:06:50 - 05:21:52 8975
The Dalles 05:14:22 -10.9 CT Up 28.5 151.7 Low 05:06:51 - 05:21:53 8954
Maupin 05:14:22 -11.3 CT Up 28.9 151.7 Low 05:06:51 - 05:21:53 8928
Madras/Culver 05:14:23 -11.7 CT Up 29.4 151.5 Low 05:06:52 - 05:21:54 8890
Redmond 05:14:24 -12.0 CT Up 29.7 151.4 Low 05:06:53 - 05:21:55 8865
Sisters 05:14:25 -11.8 CT Up 29.5 151.0 Low 05:06:54 - 05:21:56 8860
Bend 05:14:24 -12.1 AT Up 29.8 151.2 Low 05:06:53 - 05:21:55 8848
Oregon Observatory 05:14:24 -12.2 AT Up 29.9 151.0 Low 05:06:53 - 05:21:55 8834
Niwot 05:13:33 -21.8 Dark Up 37.6 168.4 Up 05:06:02 - 05:21:04 8834
La Pine/Gilchrist 05:14:25 -12.3 AT Up 30.1 150.9 Up 05:06:54 - 05:21:56 8819
North Lake 05:14:23 -12.9 AT Up 30.7 151.4 Up 05:06:52 - 05:21:54 8800
Paisley 05:14:23 -13.5 AT Up 31.3 151.6 Up 05:06:52 - 05:21:54 8767
Chiloquin 05:14:28 -13.0 AT Up 30.9 150.2 Up 05:06:57 - 05:21:59 8736
Lakeview 05:14:23 -14.0 AT Up 31.8 151.7 Up 05:06:52 - 05:21:54 8735
Klamath Falls 05:14:27 -13.3 AT Up 31.2 150.2 Up 05:06:56 - 05:21:58 8713
Tulelake 05:14:27 -13.6 AT Up 31.6 150.4 Up 05:06:56 - 05:21:58 8699
Cedarville 05:14:23 -14.6 AT Up 32.4 151.7 Up 05:06:52 - 05:21:54 8692
Fall River/Burney 05:14:26 -14.4 AT Up 32.4 150.2 Up 05:06:55 - 05:21:57 8635
Susanville 05:14:25 -15.2 AT Up 33.2 150.8 Up 05:06:54 - 05:21:56 8602
Gimple 05:14:26 -15.3 AT Up 33.4 150.5 Up 05:06:55 - 05:21:57 8578
Greenville 05:14:27 -15.3 AT Up 33.4 150.4 Up 05:06:56 - 05:21:58 8577
Quincy 05:14:27 -15.4 AT Up 33.5 150.4 Up 05:06:56 - 05:21:58 8562
Portola 05:14:26 -15.8 AT Up 33.8 150.8 Up 05:06:55 - 05:21:57 8561
Reno 05:14:23 -16.3 AT Up 34.3 151.4 Up 05:06:52 - 05:21:54 8553
Carson City 05:14:24 -16.6 AT Up 34.6 151.4 Up 05:06:53 - 05:21:55 8527
Yerington 05:14:21 -17.0 AT Up 35.0 152.0 Up 05:06:50 - 05:21:52 8524
Gardnerville 05:14:23 -16.8 AT Up 34.9 151.3 Up 05:06:52 - 05:21:54 8509
Hawthorne 05:14:19 -17.6 AT Up 35.6 152.4 Up 05:06:48 - 05:21:50 8499
Tonopah 05:14:15 -18.7 Dark Up 36.5 153.8 Up 05:06:44 - 05:21:46 8489
Lee Vining 05:14:22 -17.8 AT Up 36.0 151.7 Up 05:06:51 - 05:21:53 8447
Bishop 05:14:20 -18.7 Dark Up 36.7 152.3 Up 05:06:49 - 05:21:51 8414
Beatty 05:14:14 -19.8 Dark Up 37.7 154.0 Up 05:06:43 - 05:21:45 8409
Indian Springs 05:14:11 -20.6 Dark Up 38.4 155.1 Up 05:06:40 - 05:21:42 8403
Henderson 05:14:09 -21.4 Dark Up 39.1 155.7 Up 05:06:38 - 05:21:40 8374
Lone Pine 05:14:20 -19.4 Dark Up 37.5 152.4 Up 05:06:49 - 05:21:51 8362
Patrick 05:14:05 -22.4 Dark Up 40.1 156.8 Up 05:06:34 - 05:21:36 8345
DCO 05:14:03 -23.0 Dark Up 40.6 157.6 Up 05:06:32 - 05:21:34 8333
Searchlight/Boulder City 05:14:09 -21.8 Dark Up 39.7 155.6 Up 05:06:38 - 05:21:40 8330
Kingman/Dolan Springs 05:14:06 -22.5 Dark Up 40.2 156.5 Up 05:06:35 - 05:21:37 8324
Laughlin/Bullhead City 05:14:08 -22.3 Dark Up 40.0 155.9 Up 05:06:37 - 05:21:39 8313
Mohave Valley 05:14:08 -22.5 Dark Up 40.3 155.8 Up 05:06:37 - 05:21:39 8291
Lake Havasu City 05:14:07 -22.9 Dark Up 40.7 156.0 Up 05:06:36 - 05:21:38 8264
Parker 05:14:07 -23.2 Dark Up 41.1 155.9 Up 05:06:36 - 05:21:38 8237
CPSLO 05:14:29 -19.1 Dark Up 37.7 149.0 Up 05:06:58 - 05:22:00 8211
Blythe 05:14:08 -23.5 Dark Up 41.5 155.4 Up 05:06:37 - 05:21:39 8189
Idyllwild 05:14:16 -22.4 Dark Up 40.6 152.9 Up 05:06:45 - 05:21:47 8159
Wildwood 05:14:22 -21.1 Dark Up 39.5 150.8 Up 05:06:51 - 05:21:53 8152
Calipatria 05:14:11 -23.4 Dark Up 41.6 154.0 Up 05:06:40 - 05:21:42 8132
Yuma 05:14:09 -24.2 Dark Up 42.3 155.0 Up 05:06:38 - 05:21:40 8113

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 444745, (2019/06/15 05:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.93  15
13Zet Oph      16:37:09.6 -10:34:01  2.6  3.61  13
15Psi Sco      16:12:00.0 -10:03:51  4.9  3.10   9
PPM 231649     16:24:12.0 -11:53:53  8.0  0.43  10
PPM 231635     16:23:26.7 -11:35:43  9.7  0.10  10
444745         16:23:01.8 -11:34:48 12.6        10
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:17:34 UT

Marc W. Buie, Southwest Research Institute

RECON