RECON: TNO occultation with 00WO183

Event between 00WO183 and star UC4-561-022745 with event index number of 163431

Geocentric closest approach at 2018/11/23 04:12:24 UTC

J2000 position of star is 05:56:40.6 +22:07:11
Equinox of date position of star is 05:57:43.7 +22:07:15
Stellar brightness R=16.2, use SENSEUP=128
Star is 29 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=23.8

[RECON map]
TNO is 42.4 AU from the Sun and 41.5 AU from the Earth.
The TNO is moving 22.0 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 579 seconds.
The 1-sigma cross-track error in the shadow position is 3446 km.
The sky-plane scale is 30114.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 8.5 sec chord
Diameter=76.7 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WO183, (2018/11/23 04:12UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:11.7 +07:24:33  0.4 14.72  31
Alnath         05:27:29.3 +28:37:18  1.6  9.44  25
PPM 095249     06:02:50.1 +22:24:00  6.2  1.19  31
PPM 095201     06:00:51.0 +22:28:15  7.7  0.78  30
PPM 095100     05:57:10.3 +22:08:29 10.0  0.15  29
00WO183        05:57:48.9 +22:07:15 16.2        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 1.6 sigma about the mid-time.
The median site spacing is 20.9 km RECON observability=0.5 and success probability=9.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 04:15:32 -39.8 Dark Up 21.2 80.3 Low 04:00:32 - 04:30:32 4166
Tonasket 04:15:33 -39.9 Dark Up 21.2 80.2 Low 04:00:33 - 04:30:33 4149
Okanogan 04:15:35 -39.9 Dark Up 21.0 79.9 Low 04:00:35 - 04:30:35 4129
Brewster 04:15:36 -39.8 Dark Up 20.9 79.7 Low 04:00:36 - 04:30:36 4115
Manson/Chelan 04:15:37 -39.6 Dark Up 20.6 79.4 Low 04:00:37 - 04:30:37 4111
Entiat 04:15:38 -39.6 Dark Up 20.5 79.2 Low 04:00:38 - 04:30:38 4097
Wenatchee 04:15:39 -39.6 Dark Up 20.4 79.1 Low 04:00:39 - 04:30:39 4081
Ellensburg 04:15:40 -39.6 Dark Up 20.2 78.8 Low 04:00:40 - 04:30:40 4057
Yakima 04:15:42 -39.7 Dark Up 20.1 78.6 Low 04:00:42 - 04:30:42 4028
Toppenish/White Swan 04:15:43 -39.8 Dark Up 20.1 78.7 Low 04:00:43 - 04:30:43 4007
Goldendale 04:15:44 -39.7 Dark Up 19.8 78.2 Really Low 04:00:44 - 04:30:44 3978
The Dalles 04:15:46 -39.5 Dark Up 19.5 77.9 Really Low 04:00:46 - 04:30:46 3972
Pasco 04:15:42 -40.7 Dark Up 21.0 79.5 Low 04:00:42 - 04:30:42 3961
George/Umatilla 04:15:43 -40.6 Dark Up 20.8 79.2 Low 04:00:43 - 04:30:43 3942
Maupin 04:15:47 -39.6 Dark Up 19.5 77.8 Really Low 04:00:47 - 04:30:47 3938
PNWRO 04:15:43 -40.9 Dark Up 21.1 79.5 Low 04:00:43 - 04:30:43 3936
Madras/Culver 04:15:49 -39.7 Dark Up 19.3 77.6 Really Low 04:00:49 - 04:30:49 3898
Sisters 04:15:51 -39.4 Dark Up 18.9 77.2 Really Low 04:00:51 - 04:30:51 3886
Redmond 04:15:51 -39.7 Dark Up 19.2 77.4 Really Low 04:00:51 - 04:30:51 3872
Bend 04:15:51 -39.7 Dark Up 19.1 77.3 Really Low 04:00:51 - 04:30:51 3860
Oregon Observatory 04:15:52 -39.6 Dark Up 18.9 77.1 Really Low 04:00:52 - 04:30:52 3851
La Pine/Gilchrist 04:15:53 -39.6 Dark Up 18.8 77.0 Really Low 04:00:53 - 04:30:53 3837
North Lake 04:15:54 -40.1 Dark Up 19.2 77.3 Really Low 04:00:54 - 04:30:54 3785
Chiloquin 04:15:57 -39.5 Dark Up 18.3 76.5 Really Low 04:00:57 - 04:30:57 3762
Klamath Falls 04:15:58 -39.6 Dark Up 18.3 76.4 Really Low 04:00:58 - 04:30:58 3733
Paisley 04:15:56 -40.5 Dark Up 19.3 77.3 Really Low 04:00:56 - 04:30:56 3731
Tulelake 04:15:59 -39.9 Dark Up 18.5 76.5 Really Low 04:00:59 - 04:30:59 3702
Lakeview 04:15:58 -40.7 Dark Up 19.4 77.3 Really Low 04:00:58 - 04:30:58 3685
Cedarville 04:16:00 -40.9 Dark Up 19.3 77.2 Really Low 04:01:00 - 04:31:00 3628
Fall River/Burney 04:16:02 -40.1 Dark Up 18.3 76.3 Really Low 04:01:02 - 04:31:02 3627
Susanville 04:16:04 -40.7 Dark Up 18.7 76.5 Really Low 04:01:04 - 04:31:04 3553
Greenville 04:16:04 -40.6 Dark Up 18.5 76.2 Really Low 04:01:04 - 04:31:04 3540
Gimple 04:16:05 -40.6 Dark Up 18.5 76.3 Really Low 04:01:05 - 04:31:05 3537
Quincy 04:16:05 -40.6 Dark Up 18.4 76.2 Really Low 04:01:05 - 04:31:05 3524
Portola 04:16:05 -41.0 Dark Up 18.7 76.4 Really Low 04:01:05 - 04:31:05 3498
Reno 04:16:06 -41.5 Dark Up 19.2 76.7 Really Low 04:01:06 - 04:31:06 3455
Carson City 04:16:07 -41.6 Dark Up 19.1 76.6 Really Low 04:01:07 - 04:31:07 3425
Gardnerville 04:16:08 -41.6 Dark Up 19.1 76.6 Really Low 04:01:08 - 04:31:08 3403
Yerington 04:16:08 -42.1 Dark Up 19.5 76.9 Really Low 04:01:08 - 04:31:08 3388
Hawthorne 04:16:09 -42.6 Dark Up 19.9 77.0 Really Low 04:01:09 - 04:31:09 3332
Lee Vining 04:16:11 -42.3 Dark Up 19.4 76.6 Really Low 04:01:11 - 04:31:11 3301
Tonopah 04:16:09 -43.7 Dark Up 20.8 77.7 Low 04:01:09 - 04:31:09 3247
Bishop 04:16:12 -42.9 Dark Up 19.8 76.8 Really Low 04:01:12 - 04:31:12 3226
Lone Pine 04:16:14 -43.2 Dark Up 19.9 76.7 Really Low 04:01:14 - 04:31:14 3150
Beatty 04:16:12 -44.2 Dark Up 20.9 77.5 Low 04:01:12 - 04:31:12 3132
CPSLO 04:16:19 -41.3 Dark Up 17.5 74.9 Really Low 04:01:19 - 04:31:19 3125
Indian Springs 04:16:13 -45.1 Dark Up 21.7 77.9 Low 04:01:13 - 04:31:13 3068
Niwot 04:15:50 -52.2 Dark Up 30.3 85.5 Up 04:00:50 - 04:30:50 3046
Henderson 04:16:13 -45.8 Dark Up 22.2 78.1 Low 04:01:13 - 04:31:13 2998
Wildwood 04:16:21 -43.0 Dark Up 18.9 75.6 Really Low 04:01:21 - 04:31:21 2949
Searchlight/Boulder City 04:16:15 -45.9 Dark Up 22.1 77.9 Low 04:01:15 - 04:31:15 2946
Laughlin/Bullhead City 04:16:15 -46.2 Dark Up 22.3 78.0 Low 04:01:15 - 04:31:15 2907
Patrick 04:16:14 -46.8 Dark Up 22.9 78.4 Low 04:01:14 - 04:31:14 2905
Kingman/Dolan Springs 04:16:15 -46.6 Dark Up 22.7 78.2 Low 04:01:15 - 04:31:15 2892
Mohave Valley 04:16:16 -46.3 Dark Up 22.3 77.8 Low 04:01:16 - 04:31:16 2883
DCO 04:16:14 -47.4 Dark Up 23.4 78.6 Low 04:01:14 - 04:31:14 2854
Idyllwild 04:16:21 -44.6 Dark Up 20.3 76.4 Low 04:01:21 - 04:31:21 2853
Lake Havasu City 04:16:17 -46.5 Dark Up 22.4 77.8 Low 04:01:17 - 04:31:17 2838
Parker 04:16:18 -46.6 Dark Up 22.3 77.7 Low 04:01:18 - 04:31:18 2806
Blythe 04:16:20 -46.4 Dark Up 22.0 77.3 Low 04:01:20 - 04:31:20 2769
Calipatria 04:16:22 -45.7 Dark Up 21.1 76.7 Low 04:01:22 - 04:31:22 2756
Yuma 04:16:22 -46.4 Dark Up 21.8 77.0 Low 04:01:22 - 04:31:22 2686

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 00WO183, (2018/11/23 04:12UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.72  31
Alnath         05:26:17.5 +28:36:24  1.6  9.44  25
PPM 095249     06:01:41.6 +22:24:04  6.2  1.19  31
PPM 095201     05:59:42.4 +22:28:15  7.7  0.78  30
PPM 095100     05:56:01.9 +22:08:24 10.0  0.15  29
00WO183        05:56:40.6 +22:07:11 16.2        29
Positions are for J2000

Event circumstances last updated at 2017/06/14 17:02:36 UT

Marc W. Buie, Southwest Research Institute

RECON