RECON: TNO occultation with 14KB102

Event between 14KB102 and star UC4-373-083579 with event index number of 137792

Geocentric closest approach at 2018/02/11 13:31:32 UTC

J2000 position of star is 17:12:24.3 -15:33:53
Equinox of date position of star is 17:13:24.1 -15:35:04
Stellar brightness R=15.0, use SENSEUP=128
Star is 17 degrees from the moon. Moon is 16% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 32.8 AU from the Sun and 33.2 AU from the Earth.
The TNO is moving 20.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1051 seconds.
The 1-sigma cross-track error in the shadow position is 2038 km.
The sky-plane scale is 24082.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=253.5 km assuming a 5% albedo -- 12.6 sec chord
Diameter=103.5 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 14KB102, (2018/02/11 13:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:31.3 -26:28:14  0.9 14.78  27
35Eta Oph      17:11:25.1 -15:44:46  2.6  0.51  18
PPM 232829     17:16:22.2 -14:36:12  5.9  1.21  17
PPM 232759     17:13:37.1 -15:11:03  8.3  0.40  18
PPM 232757     17:13:35.0 -15:37:39  9.1  0.05  17
14KB102        17:13:26.6 -15:35:07 15.0        17
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 0.9 sigma about the mid-time.
The median site spacing is 14.2 km RECON observability=0.6 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 13:30:15 -17.3 AT Up 19.0 145.9 Really Low 13:15:15 - 13:45:15 9160
Tonasket 13:30:14 -17.3 AT Up 19.2 145.8 Really Low 13:15:14 - 13:45:14 9149
Okanogan 13:30:14 -17.3 AT Up 19.4 145.6 Really Low 13:15:14 - 13:45:14 9134
Brewster 13:30:12 -17.5 AT Up 19.6 145.4 Really Low 13:15:12 - 13:45:12 9121
Manson/Chelan 13:30:10 -17.7 AT Up 19.6 145.0 Really Low 13:15:10 - 13:45:10 9110
Entiat 13:30:09 -17.8 AT Up 19.8 144.9 Really Low 13:15:09 - 13:45:09 9099
Wenatchee 13:30:08 -17.8 AT Up 19.9 144.7 Really Low 13:15:08 - 13:45:08 9087
Ellensburg 13:30:07 -18.0 AT Up 20.2 144.4 Low 13:15:07 - 13:45:07 9067
Yakima 13:30:05 -18.0 AT Up 20.5 144.3 Low 13:15:05 - 13:45:05 9047
Toppenish/White Swan 13:30:05 -17.9 AT Up 20.7 144.4 Low 13:15:05 - 13:45:05 9037
Pasco 13:30:09 -17.0 AT Up 21.3 145.6 Low 13:15:09 - 13:45:09 9034
PNWRO 13:30:10 -16.8 AT Up 21.6 145.8 Low 13:15:10 - 13:45:10 9023
George/Umatilla 13:30:08 -17.1 AT Up 21.5 145.3 Low 13:15:08 - 13:45:08 9017
Goldendale 13:30:02 -18.2 Dark Up 21.0 143.9 Low 13:15:02 - 13:45:02 9008
The Dalles 13:30:02 -18.4 Dark Up 21.0 143.5 Low 13:15:02 - 13:45:02 8995
Maupin 13:30:00 -18.3 Dark Up 21.4 143.5 Low 13:15:00 - 13:45:00 8974
Madras/Culver 13:29:58 -18.3 Dark Up 21.8 143.3 Low 13:14:58 - 13:44:58 8946
Redmond 13:29:57 -18.4 Dark Up 22.1 143.2 Low 13:14:57 - 13:44:57 8927
Sisters 13:29:56 -18.7 Dark Up 21.9 142.8 Low 13:14:56 - 13:44:56 8927
Bend 13:29:56 -18.5 Dark Up 22.2 143.0 Low 13:14:56 - 13:44:56 8915
Oregon Observatory 13:29:55 -18.6 Dark Up 22.3 142.8 Low 13:14:55 - 13:44:55 8906
La Pine/Gilchrist 13:29:55 -18.6 Dark Up 22.4 142.7 Low 13:14:55 - 13:44:55 8895
North Lake 13:29:55 -18.1 Dark Up 23.0 143.1 Low 13:14:55 - 13:44:55 8873
Paisley 13:29:57 -17.9 AT Up 23.6 143.3 Low 13:14:57 - 13:44:57 8844
Chiloquin 13:29:50 -18.8 Dark Up 23.1 142.1 Low 13:14:50 - 13:44:50 8832
Lakeview 13:29:54 -17.7 AT Up 24.1 143.4 Low 13:14:54 - 13:44:54 8816
Klamath Falls 13:29:50 -18.8 Dark Up 23.4 142.0 Low 13:14:50 - 13:44:50 8813
Tulelake 13:29:50 -18.5 Dark Up 23.8 142.3 Low 13:14:50 - 13:44:50 8799
Cedarville 13:29:54 -17.5 AT Up 24.7 143.4 Low 13:14:54 - 13:44:54 8779
Fall River/Burney 13:29:48 -18.4 Dark Up 24.5 142.1 Low 13:14:48 - 13:44:48 8747
Susanville 13:29:50 -17.8 AT Up 25.4 142.6 Low 13:14:50 - 13:44:50 8712
Gimple 13:29:47 -18.0 AT Up 25.5 142.3 Low 13:14:47 - 13:44:47 8695
Greenville 13:29:48 -18.1 Dark Up 25.5 142.2 Low 13:14:48 - 13:44:48 8695
Niwot 13:30:50 -5.9 CT Up 31.6 158.4 Up 13:15:50 - 13:45:50 8693
Quincy 13:29:47 -18.0 Dark Up 25.6 142.2 Low 13:14:47 - 13:44:47 8683
Portola 13:29:49 -17.7 AT Up 26.0 142.6 Low 13:14:49 - 13:44:49 8677
Reno 13:29:51 -17.1 AT Up 26.5 143.1 Low 13:14:51 - 13:44:51 8663
Carson City 13:29:50 -17.1 AT Up 26.8 143.0 Low 13:14:50 - 13:44:50 8641
Yerington 13:29:51 -16.6 AT Up 27.2 143.6 Low 13:14:51 - 13:44:51 8631
Gardnerville 13:29:50 -17.1 AT Up 27.0 143.0 Low 13:14:50 - 13:44:50 8626
Hawthorne 13:29:53 -16.1 AT Up 27.8 143.9 Low 13:14:53 - 13:44:53 8604
Tonopah 13:29:58 -15.0 AT Up 28.9 145.2 Low 13:14:58 - 13:44:58 8578
Lee Vining 13:29:50 -16.5 AT Up 28.1 143.3 Low 13:14:50 - 13:44:50 8567
Bishop 13:29:50 -15.9 AT Up 28.9 143.8 Low 13:14:50 - 13:44:50 8531
Beatty 13:29:55 -14.5 AT Up 30.0 145.3 Up 13:14:55 - 13:44:55 8504
Indian Springs 13:30:00 -13.6 AT Up 30.8 146.2 Up 13:15:00 - 13:45:00 8484
Lone Pine 13:29:50 -15.5 AT Up 29.7 143.9 Low 13:14:50 - 13:44:50 8482
Henderson 13:30:01 -12.9 AT Up 31.6 146.7 Up 13:15:01 - 13:45:01 8450
Searchlight/Boulder City 13:30:00 -12.8 AT Up 32.1 146.6 Up 13:15:00 - 13:45:00 8412
Patrick 13:30:05 -11.9 CT Up 32.6 147.7 Up 13:15:05 - 13:45:05 8409
Kingman/Dolan Springs 13:30:03 -12.1 AT Up 32.7 147.4 Up 13:15:03 - 13:45:03 8394
Laughlin/Bullhead City 13:30:01 -12.5 AT Up 32.5 146.9 Up 13:15:01 - 13:45:01 8391
DCO 13:30:07 -11.3 CT Up 33.2 148.3 Up 13:15:07 - 13:45:07 8389
CPSLO 13:29:37 -17.5 AT Up 29.4 140.9 Low 13:14:37 - 13:44:37 8387
Mohave Valley 13:30:01 -12.4 AT Up 32.7 146.8 Up 13:15:01 - 13:45:01 8373
Lake Havasu City 13:30:01 -12.2 AT Up 33.1 146.9 Up 13:15:01 - 13:45:01 8346
Parker 13:30:01 -12.1 AT Up 33.5 146.8 Up 13:15:01 - 13:45:01 8322
Wildwood 13:29:42 -15.7 AT Up 31.4 142.4 Up 13:14:42 - 13:44:42 8311
Idyllwild 13:29:50 -14.1 AT Up 32.6 144.2 Up 13:14:50 - 13:44:50 8291
Blythe 13:29:58 -12.3 AT Up 33.7 146.3 Up 13:14:58 - 13:44:58 8285
Calipatria 13:29:53 -13.0 AT Up 33.7 145.1 Up 13:14:53 - 13:44:53 8249
Yuma 13:29:56 -12.2 AT Up 34.5 145.9 Up 13:14:56 - 13:44:56 8220

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 14KB102, (2018/02/11 13:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.78  27
35Eta Oph      17:10:22.7 -15:43:29  2.6  0.51  18
PPM 232829     17:15:20.3 -14:35:03  5.9  1.21  17
PPM 232759     17:12:35.0 -15:09:49  8.3  0.40  18
PPM 232757     17:12:32.7 -15:36:25  9.1  0.05  17
14KB102        17:12:24.3 -15:33:53 15.0        17
Positions are for J2000

Event circumstances last updated at 2017/05/17 18:01:07 UT

Marc W. Buie, Southwest Research Institute

RECON