RECON: TNO occultation with 463368

Event between (463368) 12VU85 and star GA1080:01174035 with event index number of 172878

Geocentric closest approach at 2018/12/24 01:11:03 UTC

J2000 position of star is 05:37:07.6 +19:54:01
Equinox of date position of star is 05:38:13.1 +19:54:37
Stellar brightness G=15.3, use SENSEUP=128
Star is 26 degrees from the moon. Moon is 98% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 24.1 AU from the Sun and 23.2 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is 1021 km.
The sky-plane scale is 16797.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 463368, (2018/12/24 01:11UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:12.0 +07:24:33  0.4 13.24  26
Alnath         05:27:29.6 +28:37:18  1.6  9.05  28
PPM 094484     05:34:46.6 +20:29:09  6.0  1.00  26
PPM 121197     05:38:41.8 +19:47:22  8.5  0.16  26
463368         05:38:15.1 +19:54:38 15.3        25
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 0.0 km RECON observability=0.0 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)
Penticton 01:13:38 -10.9 CT Down 13.2 74.7 Really Low 01:04:24 - 01:22:53 5649
Oroville 01:13:40 -10.7 CT Down 13.1 74.6 Really Low 01:04:26 - 01:22:55 5611
Tonasket 01:13:41 -10.6 CT Down 13.0 74.6 Really Low 01:04:27 - 01:22:56 5597
Okanogan 01:13:42 -10.4 CT Down 12.9 74.4 Really Low 01:04:28 - 01:22:57 5581
Brewster 01:13:43 -10.2 CT Down 12.7 74.2 Really Low 01:04:29 - 01:22:58 5569
Manson/Chelan 01:13:44 -9.9 CT Down 12.4 73.9 Really Low 01:04:29 - 01:22:58 5566
Entiat 01:13:45 -9.8 CT Down 12.3 73.8 Really Low 01:04:31 - 01:23:00 5554
Wenatchee 01:13:46 -9.6 CT Down 12.1 73.7 Really Low 01:04:31 - 01:23:00 5541
Ellensburg 01:13:47 -9.3 CT Down 11.9 73.5 Really Low 01:04:33 - 01:23:02 5522
Yakima 01:13:49 -9.1 CT Down 11.8 73.4 Really Low 01:04:34 - 01:23:03 5497
Toppenish/White Swan 01:13:49 -9.1 CT Down 11.8 73.5 Really Low 01:04:35 - 01:23:04 5479
Goldendale 01:13:51 -8.6 CT Down 11.4 73.1 Really Low 01:04:37 - 01:23:06 5455
The Dalles 01:13:52 -8.3 CT Down 11.1 72.8 Really Low 01:04:38 - 01:23:07 5450
Pasco 01:13:50 -9.9 CT Down 12.6 74.3 Really Low 01:04:36 - 01:23:05 5439
George/Umatilla 01:13:51 -9.6 CT Down 12.4 74.1 Really Low 01:04:37 - 01:23:06 5423
Maupin 01:13:54 -8.2 CT Down 11.0 72.8 Really Low 01:04:39 - 01:23:08 5421
PNWRO 01:13:51 -9.9 CT Down 12.7 74.4 Really Low 01:04:37 - 01:23:06 5417
Madras/Culver 01:13:56 -7.9 CT Down 10.8 72.7 Really Low 01:04:41 - 01:23:10 5387
Sisters 01:13:57 -7.5 CT Down 10.4 72.3 Really Low 01:04:42 - 01:23:11 5377
Redmond 01:13:57 -7.8 CT Down 10.7 72.6 Really Low 01:04:42 - 01:23:11 5365
Bend 01:13:57 -7.6 CT Down 10.5 72.4 Really Low 01:04:42 - 01:23:11 5354
Oregon Observatory 01:13:58 -7.4 CT Down 10.4 72.3 Really Low 01:04:43 - 01:23:12 5347
La Pine/Gilchrist 01:13:59 -7.3 CT Down 10.3 72.2 Really Low 01:04:44 - 01:23:13 5335
North Lake 01:14:00 -7.5 CT Down 10.6 72.6 Really Low 01:04:46 - 01:23:15 5290
Chiloquin 01:14:02 -6.6 CT Down 9.7 71.8 Really Low 01:04:47 - 01:23:16 5270
Klamath Falls 01:14:04 -6.5 CT Down 9.7 71.8 Really Low 01:04:49 - 01:23:18 5245
Paisley 01:14:03 -7.5 CT Down 10.7 72.7 Really Low 01:04:48 - 01:23:17 5243
Tulelake 01:14:04 -6.6 CT Down 9.8 72.0 Really Low 01:04:50 - 01:23:19 5218
Lakeview 01:14:04 -7.4 CT Down 10.7 72.7 Really Low 01:04:49 - 01:23:18 5203
Fall River/Burney 01:14:07 -6.3 CT Down 9.6 71.9 Really Low 01:04:53 - 01:23:22 5153
Cedarville 01:14:07 -7.3 CT Down 10.6 72.7 Really Low 01:04:52 - 01:23:21 5153
Susanville 01:14:10 -6.5 CT Down 9.9 72.3 Really Low 01:04:56 - 01:23:25 5088
Greenville 01:14:11 -6.2 CT Down 9.6 72.0 Really Low 01:04:56 - 01:23:25 5077
Gimple 01:14:11 -6.2 CT Down 9.7 72.1 Really Low 01:04:56 - 01:23:25 5074
Quincy 01:14:11 -6.1 CT Down 9.6 72.0 Really Low 01:04:57 - 01:23:26 5062
Portola 01:14:12 -6.4 CT Down 9.9 72.3 Really Low 01:04:57 - 01:23:26 5039
Reno 01:14:13 -6.7 CT Down 10.3 72.6 Really Low 01:04:59 - 01:23:28 5002
Carson City 01:14:14 -6.6 CT Down 10.2 72.6 Really Low 01:05:00 - 01:23:29 4975
Gardnerville 01:14:15 -6.5 CT Down 10.2 72.6 Really Low 01:05:00 - 01:23:29 4956
Yerington 01:14:15 -7.0 CT Down 10.6 72.9 Really Low 01:05:00 - 01:23:29 4942
Hawthorne 01:14:17 -7.1 CT Down 10.9 73.1 Really Low 01:05:03 - 01:23:32 4893
Lee Vining 01:14:18 -6.6 CT Down 10.3 72.8 Really Low 01:05:04 - 01:23:33 4865
Tonopah 01:14:18 -8.0 CT Down 11.8 73.9 Really Low 01:05:04 - 01:23:33 4816
Bishop 01:14:21 -6.8 CT Down 10.7 73.1 Really Low 01:05:06 - 01:23:35 4798
Lone Pine 01:14:23 -6.8 CT Down 10.8 73.1 Really Low 01:05:08 - 01:23:37 4730
Beatty 01:14:22 -7.9 CT Down 11.9 73.9 Really Low 01:05:08 - 01:23:37 4714
CPSLO 01:14:26 -4.3 CT Down 8.4 71.5 Really Low 01:05:11 - 01:23:40 4709
Indian Springs 01:14:23 -8.5 CT Down 12.6 74.4 Really Low 01:05:09 - 01:23:38 4656
Niwot 01:14:09 -17.4 AT Up 21.4 81.5 Low 01:04:55 - 01:23:24 4613
Henderson 01:14:25 -8.8 CT Down 13.0 74.7 Really Low 01:05:11 - 01:23:40 4593
Wildwood 01:14:30 -5.4 CT Down 9.6 72.4 Really Low 01:05:16 - 01:23:45 4550
Searchlight/Boulder City 01:14:26 -8.7 CT Down 12.9 74.6 Really Low 01:05:12 - 01:23:41 4545
Laughlin/Bullhead City 01:14:28 -8.8 CT Down 13.1 74.7 Really Low 01:05:13 - 01:23:42 4511
Patrick 01:14:27 -9.4 CT Down 13.7 75.2 Really Low 01:05:12 - 01:23:41 4508
Kingman/Dolan Springs 01:14:27 -9.2 CT Down 13.5 75.0 Really Low 01:05:13 - 01:23:42 4496
Mohave Valley 01:14:28 -8.7 CT Down 13.0 74.7 Really Low 01:05:14 - 01:23:43 4489
Idyllwild 01:14:32 -6.6 CT Down 11.0 73.3 Really Low 01:05:18 - 01:23:47 4463
DCO 01:14:28 -9.9 CT Down 14.2 75.5 Really Low 01:05:13 - 01:23:42 4461
Lake Havasu City 01:14:29 -8.8 CT Down 13.1 74.7 Really Low 01:05:15 - 01:23:44 4449
Parker 01:14:31 -8.7 CT Down 13.1 74.6 Really Low 01:05:16 - 01:23:45 4419
Blythe 01:14:33 -8.2 CT Down 12.7 74.4 Really Low 01:05:18 - 01:23:47 4386
Calipatria 01:14:34 -7.3 CT Down 11.8 73.8 Really Low 01:05:19 - 01:23:48 4375
Yuma 01:14:35 -7.8 CT Down 12.4 74.2 Really Low 01:05:20 - 01:23:49 4311

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 463368, (2018/12/24 01:11UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 13.24  26
Alnath         05:26:17.5 +28:36:23  1.6  9.05  28
PPM 094484     05:33:38.8 +20:28:27  6.0  1.00  26
PPM 121197     05:37:34.4 +19:46:46  8.5  0.16  26
463368         05:37:07.6 +19:54:01 15.3        26
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:40:38 UT

Marc W. Buie, Southwest Research Institute

RECON