RECON: TNO occultation with 471136

Event between (471136) 10EO65 and star GA0560:14097873 with event index number of 328937

Geocentric closest approach at 2019/07/15 05:49:23 UTC

J2000 position of star is 16:58:31.7 -32:48:42
Equinox of date position of star is 16:59:47.6 -32:50:24
Stellar brightness G=11.6, use SENSEUP=8
Star is 20 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=21.3

[RECON map]
TNO is 14.7 AU from the Sun and 13.9 AU from the Earth.
The TNO is moving 15.2 km/sec on the sky relative to the star, or, 5.5 arcsec/hr.
The 1-sigma error in the time of the event is 357 seconds.
The 1-sigma cross-track error in the shadow position is 2476 km.
The sky-plane scale is 10059.4 km/arcsec.

The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 5.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 471136, (2019/07/15 05:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.5 -26:28:25  0.9  8.98  24
26Eps Sco      16:51:25.9 -34:19:37  2.3  2.29  22
27 Sco         16:58:27.8 -33:17:20  5.2  0.53  21
PPM 295699     16:58:13.8 -32:22:03  7.9  0.58  20
PPM 295729     16:59:45.8 -32:59:03  9.3  0.14  20
471136         16:59:48.0 -32:50:25 11.6        20
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 2.5 sigma about the mid-time.
The median site spacing is 8.8 km RECON observability=0.2 and success probability=1.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 05:49:58 -25.8 Dark Up 14.7 197.7 Really Low 05:34:58 - 06:04:58 4657
SwRI 05:49:58 -25.9 Dark Up 14.8 197.6 Really Low 05:34:58 - 06:04:58 4653
Kelowna 05:51:22 -12.8 AT Up 7.1 185.6 Really Low 05:36:22 - 06:06:22 4570
Penticton 05:51:22 -13.0 AT Up 7.5 185.5 Really Low 05:36:22 - 06:06:22 4562
Summerland 05:51:23 -12.9 AT Up 7.4 185.4 Really Low 05:36:23 - 06:06:23 4561
Anarchist Mountain Observatory 05:51:21 -13.5 AT Up 8.0 185.6 Really Low 05:36:21 - 06:06:21 4561
Okanagan Falls 05:51:22 -13.2 AT Up 7.6 185.5 Really Low 05:36:22 - 06:06:22 4560
Oliver 05:51:22 -13.3 AT Up 7.8 185.5 Really Low 05:36:22 - 06:06:22 4558
Oroville 05:51:20 -13.6 AT Up 8.0 185.6 Really Low 05:36:20 - 06:06:20 4558
Tonasket 05:51:20 -13.8 AT Up 8.3 185.6 Really Low 05:36:20 - 06:06:20 4555
Okanogan 05:51:21 -14.0 AT Up 8.6 185.5 Really Low 05:36:21 - 06:06:21 4548
Brewster 05:51:22 -14.2 AT Up 8.9 185.3 Really Low 05:36:22 - 06:06:22 4540
Manson/Chelan 05:51:23 -14.2 AT Up 9.1 185.0 Really Low 05:36:23 - 06:06:23 4529
PNWRO 05:51:16 -16.3 AT Up 10.9 186.1 Really Low 05:36:16 - 06:06:16 4527
Pasco 05:51:17 -16.0 AT Up 10.7 185.9 Really Low 05:36:17 - 06:06:17 4527
Entiat 05:51:23 -14.4 AT Up 9.4 184.9 Really Low 05:36:23 - 06:06:23 4524
Wenatchee 05:51:23 -14.6 AT Up 9.6 184.8 Really Low 05:36:23 - 06:06:23 4518
George/Umatilla 05:51:17 -16.2 AT Up 11.0 185.7 Really Low 05:36:17 - 06:06:17 4516
Ellensburg 05:51:25 -14.8 AT Up 10.0 184.7 Really Low 05:36:25 - 06:06:25 4506
Toppenish/White Swan 05:51:22 -15.4 AT Up 10.7 184.8 Really Low 05:36:22 - 06:06:22 4499
Yakima 05:51:24 -15.2 AT Up 10.4 184.7 Really Low 05:36:24 - 06:06:24 4499
Goldendale 05:51:23 -15.7 AT Up 11.2 184.5 Really Low 05:36:23 - 06:06:23 4480
The Dalles 05:51:26 -15.8 AT Up 11.5 184.1 Really Low 05:36:26 - 06:06:26 4467
Maupin 05:51:25 -16.2 AT Up 11.9 184.2 Really Low 05:36:25 - 06:06:25 4461
Madras/Culver 05:51:25 -16.6 AT Up 12.4 184.2 Really Low 05:36:25 - 06:06:25 4449
Redmond 05:51:25 -16.9 AT Up 12.8 184.2 Really Low 05:36:25 - 06:06:25 4441
Bend 05:51:25 -17.0 AT Up 13.0 184.1 Really Low 05:36:25 - 06:06:25 4433
Sisters 05:51:26 -16.7 AT Up 12.8 183.8 Really Low 05:36:26 - 06:06:26 4431
Oregon Observatory 05:51:25 -17.1 AT Up 13.2 184.0 Really Low 05:36:25 - 06:06:25 4425
North Lake 05:51:22 -17.8 AT Up 13.8 184.4 Really Low 05:36:22 - 06:06:22 4425
Paisley 05:51:20 -18.4 Dark Up 14.3 184.7 Really Low 05:36:20 - 06:06:20 4421
La Pine/Gilchrist 05:51:25 -17.2 AT Up 13.4 183.9 Really Low 05:36:25 - 06:06:25 4419
Lakeview 05:51:18 -18.9 Dark Up 14.8 184.9 Really Low 05:36:18 - 06:06:18 4413
Cedarville 05:51:16 -19.6 Dark Up 15.5 185.1 Really Low 05:36:16 - 06:06:16 4401
Chiloquin 05:51:26 -18.0 Dark Up 14.5 183.6 Really Low 05:36:26 - 06:06:26 4384
Tulelake 05:51:24 -18.7 Dark Up 15.1 184.0 Really Low 05:36:24 - 06:06:24 4379
Klamath Falls 05:51:26 -18.3 Dark Up 14.9 183.7 Really Low 05:36:26 - 06:06:26 4378
Tonopah 05:50:57 -23.7 Dark Up 18.7 187.7 Really Low 05:35:57 - 06:05:57 4376
DCO 05:50:30 -27.8 Dark Up 21.1 191.4 Low 05:35:30 - 06:05:30 4371
Patrick 05:50:34 -27.3 Dark Up 20.9 190.7 Low 05:35:34 - 06:05:34 4366
Indian Springs 05:50:47 -25.6 Dark Up 20.0 189.1 Really Low 05:35:47 - 06:05:47 4364
Henderson 05:50:42 -26.3 Dark Up 20.4 189.7 Low 05:35:42 - 06:05:42 4362
Susanville 05:51:18 -20.3 Dark Up 16.6 184.7 Really Low 05:36:18 - 06:06:18 4359
Fall River/Burney 05:51:22 -19.4 Dark Up 16.0 184.0 Really Low 05:36:22 - 06:06:22 4357
Yerington 05:51:09 -22.1 Dark Up 17.9 186.0 Really Low 05:36:09 - 06:06:09 4356
Reno 05:51:13 -21.4 Dark Up 17.4 185.4 Really Low 05:36:13 - 06:06:13 4356
Hawthorne 05:51:05 -22.7 Dark Up 18.3 186.5 Really Low 05:36:05 - 06:06:05 4355
Kingman/Dolan Springs 05:50:34 -27.4 Dark Up 21.1 190.6 Low 05:35:34 - 06:05:34 4354
Beatty 05:50:53 -24.8 Dark Up 19.8 188.1 Really Low 05:35:53 - 06:05:53 4350
Portola 05:51:16 -20.9 Dark Up 17.2 184.9 Really Low 05:36:16 - 06:06:16 4347
Gimple 05:51:19 -20.4 Dark Up 16.9 184.5 Really Low 05:36:19 - 06:06:19 4346
Carson City 05:51:12 -21.7 Dark Up 17.8 185.4 Really Low 05:36:12 - 06:06:12 4346
Searchlight/Boulder City 05:50:41 -26.8 Dark Up 21.0 189.8 Low 05:35:41 - 06:05:41 4344
Greenville 05:51:20 -20.4 Dark Up 16.9 184.4 Really Low 05:36:20 - 06:06:20 4344
Laughlin/Bullhead City 05:50:38 -27.2 Dark Up 21.2 190.1 Low 05:35:38 - 06:05:38 4342
Gardnerville 05:51:12 -21.9 Dark Up 18.0 185.5 Really Low 05:36:12 - 06:06:12 4340
Quincy 05:51:18 -20.6 Dark Up 17.1 184.4 Really Low 05:36:18 - 06:06:18 4338
Mohave Valley 05:50:37 -27.4 Dark Up 21.5 190.2 Low 05:35:37 - 06:05:37 4332
Lee Vining 05:51:07 -23.0 Dark Up 18.9 186.1 Really Low 05:36:07 - 06:06:07 4325
Bishop 05:51:02 -23.8 Dark Up 19.5 186.7 Really Low 05:36:02 - 06:06:02 4325
Lake Havasu City 05:50:35 -27.9 Dark Up 21.8 190.4 Low 05:35:35 - 06:05:35 4323
Parker 05:50:35 -28.2 Dark Up 22.2 190.4 Low 05:35:35 - 06:05:35 4311
Lone Pine 05:50:59 -24.5 Dark Up 20.2 187.0 Low 05:35:59 - 06:05:59 4308
Blythe 05:50:36 -28.5 Dark Up 22.7 190.2 Low 05:35:36 - 06:05:36 4285
Yuma 05:50:33 -29.3 Dark Up 23.7 190.2 Low 05:35:33 - 06:05:33 4248
Calipatria 05:50:39 -28.6 Dark Up 23.4 189.4 Low 05:35:39 - 06:05:39 4244
Idyllwild 05:50:48 -27.5 Dark Up 22.9 188.4 Low 05:35:48 - 06:05:48 4238
Wildwood 05:50:58 -26.4 Dark Up 22.7 186.7 Low 05:35:58 - 06:05:58 4203
CPSLO 05:51:12 -24.5 Dark Up 21.7 184.8 Low 05:36:12 - 06:06:12 4193

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 471136, (2019/07/15 05:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.98  24
26Eps Sco      16:50:08.9 -34:17:41  2.3  2.29  22
27 Sco         16:57:11.2 -33:15:35  5.2  0.53  21
PPM 295699     16:56:57.8 -32:20:17  7.9  0.58  20
PPM 295729     16:58:29.4 -32:57:20  9.3  0.14  20
471136         16:58:31.7 -32:48:42 11.6        20
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:24:59 UT

Marc W. Buie, Southwest Research Institute

RECON