RECON: TNO occultation with 16AE193

Event between 16AE193 and star UC4-529-046762 with event index number of 111321

Geocentric closest approach at 2018/02/12 07:52:44 UTC

J2000 position of star is 08:34:28.9 +15:40:37
Equinox of date position of star is 08:35:27.4 +15:36:59
Stellar brightness R=13.6, use SENSEUP=64
Star is 158 degrees from the moon. Moon is 11% illuminated.
TNO apparent brightness V=20.4

[RECON map]
TNO is 17.0 AU from the Sun and 16.1 AU from the Earth.
The TNO is moving 20.6 km/sec on the sky relative to the star, or, 6.4 arcsec/hr.
The 1-sigma error in the time of the event is 42 seconds.
The 1-sigma cross-track error in the shadow position is 661 km.
The sky-plane scale is 11643.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=145.2 km assuming a 5% albedo -- 7.1 sec chord
Diameter=59.3 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 16AE193, (2018/02/12 07:53UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:25.4 +27:58:52  1.1 16.79 167
PPM 125463     08:37:08.5 +15:14:59  6.5  0.54 157
PPM 125439     08:36:18.5 +15:40:00  8.5  0.20 157
PPM 125416     08:35:04.5 +15:35:39 11.6  0.10 158
16AE193        08:35:29.9 +15:36:49 13.6       157
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 21.2 km RECON observability=1.0 and success probability=6.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:52:34 -54.5 Dark Down 55.2 201.3 Up 07:48:34 - 07:56:33 2872
Tonasket 07:52:34 -54.7 Dark Down 55.4 201.4 Up 07:48:34 - 07:56:33 2851
Okanogan 07:52:34 -55.1 Dark Down 55.8 201.3 Up 07:48:34 - 07:56:33 2819
Brewster 07:52:34 -55.3 Dark Down 56.1 201.1 Up 07:48:34 - 07:56:33 2792
Manson/Chelan 07:52:34 -55.5 Dark Down 56.4 200.6 Up 07:48:35 - 07:56:34 2766
Entiat 07:52:35 -55.7 Dark Down 56.6 200.6 Up 07:48:35 - 07:56:34 2746
Wenatchee 07:52:34 -55.9 Dark Down 56.9 200.6 Up 07:48:35 - 07:56:34 2721
Ellensburg 07:52:35 -56.3 Dark Down 57.3 200.4 Up 07:48:35 - 07:56:34 2680
Yakima 07:52:34 -56.7 Dark Down 57.7 200.6 Up 07:48:34 - 07:56:33 2643
Pasco 07:52:28 -57.2 Dark Down 57.6 203.3 Up 07:48:29 - 07:56:28 2640
Toppenish/White Swan 07:52:33 -56.9 Dark Down 57.9 201.0 Up 07:48:33 - 07:56:32 2627
PNWRO 07:52:27 -57.5 Dark Down 57.8 203.8 Up 07:48:28 - 07:56:27 2623
George/Umatilla 07:52:29 -57.5 Dark Down 58.0 203.1 Up 07:48:29 - 07:56:28 2606
Goldendale 07:52:33 -57.4 Dark Down 58.5 200.6 Up 07:48:34 - 07:56:33 2569
The Dalles 07:52:35 -57.6 Dark Down 58.8 200.1 Up 07:48:35 - 07:56:34 2542
Maupin 07:52:33 -58.0 Dark Down 59.1 200.5 Up 07:48:34 - 07:56:33 2505
Madras/Culver 07:52:32 -58.5 Dark Down 59.7 200.7 Up 07:48:33 - 07:56:32 2455
Redmond 07:52:32 -58.9 Dark Down 60.0 200.9 Up 07:48:33 - 07:56:32 2421
Sisters 07:52:34 -58.8 Dark Down 60.1 200.1 Up 07:48:34 - 07:56:33 2415
Bend 07:52:32 -59.1 Dark Down 60.2 200.7 Up 07:48:33 - 07:56:32 2398
Niwot 07:51:26 -62.4 Dark Down 56.5 230.8 Up 07:47:27 - 07:55:26 2394
Oregon Observatory 07:52:32 -59.2 Dark Down 60.4 200.6 Up 07:48:33 - 07:56:32 2380
La Pine/Gilchrist 07:52:32 -59.4 Dark Down 60.7 200.6 Up 07:48:33 - 07:56:32 2359
North Lake 07:52:29 -59.9 Dark Down 60.9 202.0 Up 07:48:30 - 07:56:29 2331
Paisley 07:52:27 -60.5 Dark Down 61.3 203.1 Up 07:48:28 - 07:56:27 2286
Chiloquin 07:52:32 -60.4 Dark Down 61.8 200.6 Up 07:48:33 - 07:56:32 2248
Lakeview 07:52:27 -61.0 Dark Down 61.7 203.8 Up 07:48:28 - 07:56:27 2243
Klamath Falls 07:52:31 -60.8 Dark Down 62.1 201.0 Up 07:48:32 - 07:56:31 2218
Tulelake 07:52:30 -61.1 Dark Down 62.3 201.8 Up 07:48:30 - 07:56:29 2198
Cedarville 07:52:27 -61.7 Dark Down 62.3 204.7 Up 07:48:28 - 07:56:27 2185
Fall River/Burney 07:52:28 -62.0 Dark Down 63.1 202.6 Up 07:48:29 - 07:56:28 2113
Susanville 07:52:27 -62.7 Dark Down 63.4 204.6 Up 07:48:28 - 07:56:27 2069
Gimple 07:52:27 -63.0 Dark Down 63.7 204.4 Up 07:48:28 - 07:56:27 2038
Greenville 07:52:27 -62.9 Dark Down 63.8 204.2 Up 07:48:28 - 07:56:27 2036
Quincy 07:52:27 -63.1 Dark Down 64.0 204.4 Up 07:48:28 - 07:56:27 2017
Portola 07:52:27 -63.4 Dark Down 63.9 205.5 Up 07:48:28 - 07:56:27 2016
Reno 07:52:27 -63.7 Dark Down 63.9 207.1 Up 07:48:28 - 07:56:27 2008
Carson City 07:52:27 -64.1 Dark Down 64.2 207.5 Up 07:48:28 - 07:56:27 1976
Yerington 07:52:16 -64.4 Dark Down 64.2 208.9 Up 07:48:16 - 07:56:15 1963
Gardnerville 07:52:27 -64.3 Dark Down 64.4 207.8 Up 07:48:28 - 07:56:27 1954
Hawthorne 07:52:13 -64.9 Dark Down 64.4 210.4 Up 07:48:14 - 07:56:13 1929
Tonopah 07:52:06 -65.5 Dark Down 64.2 213.7 Up 07:48:07 - 07:56:06 1915
Lee Vining 07:52:14 -65.4 Dark Down 65.1 210.0 Up 07:48:14 - 07:56:13 1864
Bishop 07:52:10 -66.1 Dark Down 65.3 212.1 Up 07:48:10 - 07:56:09 1821
Beatty 07:52:03 -66.7 Dark Down 65.0 216.0 Up 07:48:03 - 07:56:02 1813
Indian Springs 07:51:58 -67.1 Dark Down 64.7 218.5 Up 07:47:59 - 07:55:58 1806
Henderson 07:51:54 -67.6 Dark Down 64.8 220.5 Up 07:47:55 - 07:55:54 1770
Lone Pine 07:52:07 -66.8 Dark Down 65.8 213.7 Up 07:48:07 - 07:56:06 1754
Patrick 07:51:49 -68.3 Dark Down 64.7 223.4 Up 07:47:49 - 07:55:48 1736
DCO 07:51:45 -68.5 Dark Down 64.5 225.1 Up 07:47:46 - 07:55:45 1723
Searchlight/Boulder City 07:51:53 -68.2 Dark Down 65.2 221.4 Up 07:47:53 - 07:55:52 1716
Kingman/Dolan Springs 07:51:49 -68.5 Dark Down 64.9 223.4 Up 07:47:49 - 07:55:48 1709
Laughlin/Bullhead City 07:51:51 -68.5 Dark Down 65.2 222.5 Up 07:47:52 - 07:55:51 1694
Mohave Valley 07:51:51 -68.8 Dark Down 65.4 222.9 Up 07:47:51 - 07:55:50 1668
Lake Havasu City 07:51:49 -69.2 Dark Down 65.6 223.9 Up 07:47:49 - 07:55:48 1634
Parker 07:51:48 -69.5 Dark Down 65.8 224.5 Up 07:47:49 - 07:55:48 1600
CPSLO 07:52:16 -67.7 Dark Down 68.0 209.7 Up 07:48:16 - 07:56:15 1568
Blythe 07:51:48 -70.1 Dark Down 66.4 224.8 Up 07:47:49 - 07:55:48 1541
Idyllwild 07:51:57 -69.8 Dark Down 67.5 220.5 Up 07:47:58 - 07:55:57 1502
Wildwood 07:52:05 -69.2 Dark Down 68.1 215.9 Up 07:48:06 - 07:56:05 1493
Calipatria 07:51:52 -70.5 Dark Down 67.3 223.8 Up 07:47:52 - 07:55:51 1469
Yuma 07:51:47 -71.0 Dark Down 67.0 226.2 Up 07:47:47 - 07:55:46 1448

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 16AE193, (2018/02/12 07:53UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1 16.79 167
PPM 125463     08:36:07.7 +15:18:49  6.5  0.54 157
PPM 125439     08:35:17.5 +15:43:48  8.5  0.20 157
PPM 125416     08:34:03.5 +15:39:25 11.6  0.10 158
16AE193        08:34:28.9 +15:40:37 13.6       158
Positions are for J2000

Event circumstances last updated at 2017/05/17 18:01:20 UT

Marc W. Buie, Southwest Research Institute

RECON