RECON: TNO occultation with 469707

Event between (469707) 05GB187 and star GA0760:05584220 with event index number of 196705

Geocentric closest approach at 2019/06/13 09:42:22 UTC

J2000 position of star is 16:10:59.8 -13:58:56
Equinox of date position of star is 16:12:02.0 -14:01:44
Stellar brightness G=15.6, use SENSEUP=128
Star is 30 degrees from the moon. Moon is 83% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 31.4 AU from the Sun and 30.5 AU from the Earth.
The TNO is moving 22.2 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 231 seconds.
The 1-sigma cross-track error in the shadow position is 1376 km.
The sky-plane scale is 22111.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 10.8 sec chord
Diameter=97.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469707, (2019/06/13 09:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 13.17  38
8Bet1Sco       16:06:34.3 -19:51:26  2.6  5.97  30
11 Sco         16:08:41.3 -12:47:47  6.1  1.49  29
PPM 231318     16:12:09.2 -14:02:29  8.0  0.02  30
469707         16:12:05.4 -14:01:53 15.6        30
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 3.9 sigma about the mid-time.
The median site spacing is 14.7 km RECON observability=0.7 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:42:13 -13.7 AT Up 15.3 225.0 Really Low 09:27:13 - 09:57:13 5741
Oroville 09:42:09 -14.2 AT Up 15.7 225.2 Really Low 09:27:09 - 09:57:09 5714
Tonasket 09:42:10 -14.4 AT Up 15.8 225.3 Really Low 09:27:10 - 09:57:10 5704
Okanogan 09:42:08 -14.8 AT Up 16.2 225.2 Really Low 09:27:08 - 09:57:08 5689
Brewster 09:42:09 -15.1 AT Up 16.4 225.1 Really Low 09:27:09 - 09:57:09 5677
Manson/Chelan 09:42:09 -15.3 AT Up 16.8 224.8 Really Low 09:27:09 - 09:57:09 5669
Entiat 09:42:08 -15.6 AT Up 17.0 224.8 Really Low 09:27:08 - 09:57:08 5659
Wenatchee 09:42:08 -15.8 AT Up 17.2 224.7 Really Low 09:27:08 - 09:57:08 5647
Ellensburg 09:42:07 -16.3 AT Up 17.6 224.6 Really Low 09:27:07 - 09:57:07 5628
Yakima 09:42:06 -16.6 AT Up 17.9 224.7 Really Low 09:27:06 - 09:57:06 5608
Toppenish/White Swan 09:42:04 -16.8 AT Up 18.0 224.9 Really Low 09:27:04 - 09:57:04 5598
Pasco 09:42:01 -16.5 AT Up 17.4 226.0 Really Low 09:27:01 - 09:57:01 5589
PNWRO 09:42:00 -16.7 AT Up 17.5 226.3 Really Low 09:27:00 - 09:57:00 5576
George/Umatilla 09:42:01 -16.9 AT Up 17.8 225.9 Really Low 09:27:01 - 09:57:01 5573
Goldendale 09:42:04 -17.4 AT Up 18.6 224.7 Really Low 09:27:04 - 09:57:04 5571
The Dalles 09:42:05 -17.7 AT Up 18.9 224.4 Really Low 09:27:05 - 09:57:05 5561
Maupin 09:42:02 -18.1 Dark Up 19.2 224.6 Really Low 09:27:02 - 09:57:02 5540
Madras/Culver 09:42:01 -18.6 Dark Up 19.6 224.7 Really Low 09:27:01 - 09:57:01 5512
Sisters 09:42:02 -19.0 Dark Up 20.0 224.4 Low 09:27:02 - 09:57:02 5495
Redmond 09:42:01 -18.9 Dark Up 19.8 224.7 Really Low 09:27:01 - 09:57:01 5493
Bend 09:42:00 -19.2 Dark Up 20.1 224.6 Low 09:27:00 - 09:57:00 5482
Oregon Observatory 09:42:00 -19.4 Dark Up 20.3 224.6 Low 09:27:00 - 09:57:00 5473
La Pine/Gilchrist 09:42:00 -19.6 Dark Up 20.4 224.6 Low 09:27:00 - 09:57:00 5463
North Lake 09:41:57 -19.8 Dark Up 20.4 225.2 Low 09:26:57 - 09:56:57 5438
Paisley 09:41:54 -20.2 Dark Up 20.6 225.7 Low 09:26:54 - 09:56:54 5408
Chiloquin 09:41:58 -20.7 Dark Up 21.4 224.5 Low 09:26:58 - 09:56:58 5403
Klamath Falls 09:41:57 -21.0 Dark Up 21.6 224.7 Low 09:26:57 - 09:56:57 5384
Lakeview 09:41:52 -20.6 Dark Up 20.9 226.0 Low 09:26:52 - 09:56:52 5379
Tulelake 09:41:55 -21.2 Dark Up 21.7 225.0 Low 09:26:55 - 09:56:55 5368
Cedarville 09:41:51 -21.2 Dark Up 21.3 226.3 Low 09:26:51 - 09:56:51 5342
Fall River/Burney 09:41:52 -22.0 Dark Up 22.3 225.4 Low 09:26:52 - 09:56:52 5317
Susanville 09:41:48 -22.3 Dark Up 22.3 226.2 Low 09:26:48 - 09:56:48 5279
Greenville 09:41:48 -22.7 Dark Up 22.7 226.0 Low 09:26:48 - 09:56:48 5263
Gimple 09:41:48 -22.6 Dark Up 22.6 226.1 Low 09:26:48 - 09:56:48 5263
Quincy 09:41:47 -22.9 Dark Up 22.8 226.1 Low 09:26:47 - 09:56:47 5251
Portola 09:41:46 -22.8 Dark Up 22.6 226.5 Low 09:26:46 - 09:56:46 5243
Reno 09:41:44 -22.8 Dark Up 22.4 227.1 Low 09:26:44 - 09:56:44 5225
Carson City 09:41:43 -23.2 Dark Up 22.7 227.3 Low 09:26:43 - 09:56:43 5203
Yerington 09:41:40 -23.1 Dark Up 22.5 227.9 Low 09:26:40 - 09:56:40 5190
Gardnerville 09:41:42 -23.4 Dark Up 22.8 227.4 Low 09:26:42 - 09:56:42 5188
Niwot 09:41:09 -16.5 AT Down 13.2 238.5 Really Low 09:26:09 - 09:56:09 5177
Hawthorne 09:41:37 -23.4 Dark Up 22.5 228.4 Low 09:26:37 - 09:56:37 5160
Tonopah 09:41:33 -23.3 Dark Up 21.9 229.7 Low 09:26:33 - 09:56:33 5126
Lee Vining 09:41:37 -24.0 Dark Up 23.1 228.2 Low 09:26:37 - 09:56:37 5126
Bishop 09:41:33 -24.3 Dark Up 23.1 229.0 Low 09:26:33 - 09:56:33 5087
Beatty 09:41:28 -24.1 Dark Up 22.4 230.5 Low 09:26:28 - 09:56:28 5051
Lone Pine 09:41:31 -24.9 Dark Up 23.4 229.5 Low 09:26:31 - 09:56:31 5037
Indian Springs 09:41:24 -24.0 Dark Up 22.0 231.4 Low 09:26:24 - 09:56:24 5026
Henderson 09:41:21 -24.2 Dark Up 21.9 232.1 Low 09:26:21 - 09:56:21 4988
CPSLO 09:41:35 -27.0 Dark Up 25.8 227.8 Low 09:26:35 - 09:56:35 4958
Searchlight/Boulder City 09:41:19 -24.6 Dark Up 22.2 232.4 Low 09:26:19 - 09:56:19 4949
Patrick 09:41:15 -24.3 Dark Up 21.5 233.2 Low 09:26:15 - 09:56:15 4940
Laughlin/Bullhead City 09:41:18 -24.8 Dark Up 22.1 232.7 Low 09:26:18 - 09:56:18 4928
Kingman/Dolan Springs 09:41:16 -24.5 Dark Up 21.8 233.1 Low 09:26:16 - 09:56:16 4926
DCO 09:41:13 -24.2 Dark Up 21.3 233.8 Low 09:26:13 - 09:56:13 4916
Mohave Valley 09:41:16 -25.0 Dark Up 22.3 232.8 Low 09:26:16 - 09:56:16 4909
Lake Havasu City 09:41:15 -25.2 Dark Up 22.4 233.1 Low 09:26:15 - 09:56:15 4881
Wildwood 09:41:25 -27.3 Dark Up 25.4 229.9 Low 09:26:25 - 09:56:25 4871
Parker 09:41:13 -25.5 Dark Up 22.6 233.3 Low 09:26:13 - 09:56:13 4856
Idyllwild 09:41:19 -26.9 Dark Up 24.4 231.5 Low 09:26:19 - 09:56:19 4839
Blythe 09:41:12 -26.1 Dark Up 23.1 233.2 Low 09:26:12 - 09:56:12 4822
Calipatria 09:41:14 -26.9 Dark Up 24.0 232.7 Low 09:26:14 - 09:56:14 4792
Yuma 09:41:11 -26.9 Dark Up 23.7 233.5 Low 09:26:11 - 09:56:11 4757

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 469707, (2019/06/13 09:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.17  38
8Bet1Sco       16:05:26.2 -19:48:20  2.6  5.97  30
11 Sco         16:07:36.3 -12:44:44  6.1  1.49  29
PPM 231318     16:11:03.6 -13:59:32  8.0  0.02  30
469707         16:10:59.8 -13:58:56 15.6        30
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:17:16 UT

Marc W. Buie, Southwest Research Institute

RECON