RECON: TNO occultation with 00CQ114

Event between 00CQ114 and star UC4-465-047458 with event index number of 103773

Geocentric closest approach at 2018/02/05 08:32:08 UTC

J2000 position of star is 11:51:54.4 +02:52:48
Equinox of date position of star is 11:52:47.7 +02:47:02
Stellar brightness R=12.5, use SENSEUP=16
Star is 23 degrees from the moon. Moon is 73% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 47.0 AU from the Sun and 46.2 AU from the Earth.
The TNO is moving 18.4 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 440 seconds.
The 1-sigma cross-track error in the shadow position is 4778 km.
The sky-plane scale is 33513.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=285.8 km assuming a 5% albedo -- 15.5 sec chord
Diameter=116.7 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00CQ114, (2018/02/05 08:32UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:08.9 -11:15:19  1.0 27.12   8
Denebola       11:49:58.9 +14:28:15  2.1 11.71  29
5Bet Vir       11:51:38.3 +01:39:46  3.6  1.16  23
PPM 158245     11:50:42.4 +02:07:52  8.0  0.84  23
PPM 158288     11:53:21.2 +02:59:38  8.7  0.25  23
00CQ114        11:52:50.1 +02:46:46 12.5        22
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 2.0 sigma about the mid-time.
The median site spacing is 21.4 km RECON observability=1.0 and success probability=3.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:35:43 -56.6 Dark Up 36.0 137.7 Up 08:20:43 - 08:50:43 10178
Tonasket 08:35:41 -56.8 Dark Up 36.2 137.6 Up 08:20:41 - 08:50:41 10158
Okanogan 08:35:42 -57.2 Dark Up 36.4 137.2 Up 08:20:42 - 08:50:42 10124
Brewster 08:35:42 -57.5 Dark Up 36.5 136.9 Up 08:20:42 - 08:50:42 10095
Manson/Chelan 08:35:45 -57.7 Dark Up 36.5 136.4 Up 08:20:45 - 08:50:45 10068
Entiat 08:35:45 -57.9 Dark Up 36.6 136.2 Up 08:20:45 - 08:50:45 10046
Wenatchee 08:35:45 -58.2 Dark Up 36.7 136.0 Up 08:20:45 - 08:50:45 10021
Ellensburg 08:35:47 -58.6 Dark Up 36.9 135.5 Up 08:20:47 - 08:50:47 9978
Pasco 08:35:41 -59.2 Dark Up 38.1 136.7 Up 08:20:41 - 08:50:41 9946
Yakima 08:35:47 -59.0 Dark Up 37.2 135.3 Up 08:20:47 - 08:50:47 9941
PNWRO 08:35:41 -59.4 Dark Up 38.4 136.8 Up 08:20:41 - 08:50:41 9929
Toppenish/White Swan 08:35:46 -59.2 Dark Up 37.4 135.3 Up 08:20:46 - 08:50:46 9925
George/Umatilla 08:35:42 -59.5 Dark Up 38.3 136.2 Up 08:20:42 - 08:50:42 9910
Goldendale 08:35:48 -59.8 Dark Up 37.6 134.6 Up 08:20:48 - 08:50:48 9864
The Dalles 08:35:47 -60.1 Dark Up 37.6 134.0 Up 08:20:47 - 08:50:47 9834
Maupin 08:35:48 -60.5 Dark Up 37.9 133.9 Up 08:20:48 - 08:50:48 9798
Niwot 08:34:49 -60.2 Dark Up 49.0 150.3 Up 08:19:49 - 08:49:49 9794
Madras/Culver 08:35:47 -61.0 Dark Up 38.3 133.6 Up 08:20:47 - 08:50:47 9746
Redmond 08:35:49 -61.4 Dark Up 38.5 133.3 Up 08:20:49 - 08:50:49 9712
Sisters 08:35:49 -61.4 Dark Up 38.3 132.9 Up 08:20:49 - 08:50:49 9704
Bend 08:35:50 -61.6 Dark Up 38.6 133.1 Up 08:20:50 - 08:50:50 9688
Oregon Observatory 08:35:49 -61.8 Dark Up 38.6 132.8 Up 08:20:49 - 08:50:49 9669
La Pine/Gilchrist 08:35:49 -62.0 Dark Up 38.7 132.6 Up 08:20:49 - 08:50:49 9648
North Lake 08:35:48 -62.4 Dark Up 39.4 133.0 Up 08:20:48 - 08:50:48 9622
Paisley 08:35:48 -62.9 Dark Up 39.9 133.1 Up 08:20:48 - 08:50:48 9580
Lakeview 08:35:45 -63.3 Dark Up 40.4 133.0 Up 08:20:45 - 08:50:45 9537
Chiloquin 08:35:52 -63.1 Dark Up 39.3 131.6 Up 08:20:52 - 08:50:52 9533
Klamath Falls 08:35:50 -63.5 Dark Up 39.6 131.4 Up 08:20:50 - 08:50:50 9503
Tulelake 08:35:50 -63.7 Dark Up 39.9 131.6 Up 08:20:50 - 08:50:50 9485
Cedarville 08:35:47 -64.0 Dark Up 40.9 132.7 Up 08:20:47 - 08:50:47 9479
Fall River/Burney 08:35:49 -64.6 Dark Up 40.6 131.1 Up 08:20:49 - 08:50:49 9400
Susanville 08:35:47 -65.1 Dark Up 41.4 131.5 Up 08:20:47 - 08:50:47 9359
Gimple 08:35:47 -65.4 Dark Up 41.5 131.1 Up 08:20:47 - 08:50:47 9327
Greenville 08:35:49 -65.4 Dark Up 41.4 131.0 Up 08:20:49 - 08:50:49 9325
Portola 08:35:48 -65.7 Dark Up 41.9 131.3 Up 08:20:48 - 08:50:48 9306
Quincy 08:35:47 -65.6 Dark Up 41.5 130.9 Up 08:20:47 - 08:50:47 9305
Reno 08:35:44 -65.8 Dark Up 42.4 131.8 Up 08:20:44 - 08:50:44 9298
Carson City 08:35:44 -66.2 Dark Up 42.7 131.6 Up 08:20:44 - 08:50:44 9264
Yerington 08:35:43 -66.3 Dark Up 43.2 132.2 Up 08:20:43 - 08:50:43 9263
Gardnerville 08:35:43 -66.4 Dark Up 42.9 131.5 Up 08:20:43 - 08:50:43 9242
Hawthorne 08:35:39 -66.6 Dark Up 43.8 132.4 Up 08:20:39 - 08:50:39 9233
Tonopah 08:35:33 -66.7 Dark Up 44.9 133.7 Up 08:20:33 - 08:50:33 9230
Lee Vining 08:35:43 -67.2 Dark Up 43.9 131.5 Up 08:20:43 - 08:50:43 9165
Indian Springs 08:35:29 -67.6 Dark Up 46.8 134.4 Up 08:20:29 - 08:50:29 9132
Beatty 08:35:32 -67.6 Dark Up 46.0 133.3 Up 08:20:32 - 08:50:32 9131
Bishop 08:35:38 -67.6 Dark Up 44.7 131.8 Up 08:20:38 - 08:50:38 9127
Henderson 08:35:24 -67.8 Dark Up 47.6 134.8 Up 08:20:24 - 08:50:24 9101
Patrick 08:35:21 -67.9 Dark Up 48.7 135.6 Up 08:20:21 - 08:50:21 9075
DCO 08:35:15 -67.9 Dark Up 49.3 136.2 Up 08:20:15 - 08:50:15 9068
Lone Pine 08:35:38 -68.3 Dark Up 45.4 131.6 Up 08:20:38 - 08:50:38 9063
Kingman/Dolan Springs 08:35:21 -68.2 Dark Up 48.7 135.2 Up 08:20:21 - 08:50:21 9048
Searchlight/Boulder City 08:35:24 -68.3 Dark Up 48.0 134.4 Up 08:20:24 - 08:50:24 9047
Laughlin/Bullhead City 08:35:22 -68.4 Dark Up 48.4 134.6 Up 08:20:22 - 08:50:22 9029
Mohave Valley 08:35:23 -68.7 Dark Up 48.6 134.3 Up 08:20:23 - 08:50:23 9003
Lake Havasu City 08:35:20 -68.9 Dark Up 49.0 134.3 Up 08:20:20 - 08:50:20 8971
Parker 08:35:22 -69.2 Dark Up 49.3 134.1 Up 08:20:22 - 08:50:22 8938
Blythe 08:35:21 -69.8 Dark Up 49.5 133.3 Up 08:20:21 - 08:50:21 8877
CPSLO 08:35:48 -70.1 Dark Up 44.7 127.8 Up 08:20:48 - 08:50:48 8858
Idyllwild 08:35:31 -70.5 Dark Up 48.1 130.9 Up 08:20:31 - 08:50:31 8822
Wildwood 08:35:39 -70.8 Dark Up 46.7 129.1 Up 08:20:39 - 08:50:39 8799
Calipatria 08:35:25 -70.6 Dark Up 49.3 131.7 Up 08:20:25 - 08:50:25 8798
Yuma 08:35:20 -70.6 Dark Up 50.1 132.4 Up 08:20:20 - 08:50:20 8784

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 00CQ114, (2018/02/05 08:32UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 27.12   8
Denebola       11:49:03.0 +14:34:17  2.1 11.71  29
5Bet Vir       11:50:42.6 +01:45:48  3.6  1.16  23
PPM 158245     11:49:46.7 +02:13:54  8.0  0.84  23
PPM 158288     11:52:25.5 +03:05:40  8.7  0.25  23
00CQ114        11:51:54.4 +02:52:48 12.5        23
Positions are for J2000

Event circumstances last updated at 2017/04/24 16:17:56 UT

Marc W. Buie, Southwest Research Institute

RECON