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 07:52:43 UTC

J2000 position of star is 08:34:28.9 +15:40:37
Equinox of date position of star is 08:35:29.2 +15:36:52
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 78 seconds.
The 1-sigma cross-track error in the shadow position is 936 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         07:46:25.3 +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 21.3 km RECON observability=1.0 and success probability=12.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:52:35 -54.5 Dark Down 55.2 201.3 Up 07:45:37 - 07:59:33 2866
Tonasket 07:52:34 -54.7 Dark Down 55.4 201.4 Up 07:45:36 - 07:59:32 2846
Okanogan 07:52:34 -55.1 Dark Down 55.8 201.3 Up 07:45:36 - 07:59:32 2814
Brewster 07:52:34 -55.3 Dark Down 56.1 201.1 Up 07:45:36 - 07:59:32 2786
Manson/Chelan 07:52:36 -55.5 Dark Down 56.4 200.6 Up 07:45:38 - 07:59:34 2761
Entiat 07:52:35 -55.7 Dark Down 56.6 200.6 Up 07:45:37 - 07:59:33 2740
Wenatchee 07:52:35 -55.9 Dark Down 56.9 200.6 Up 07:45:37 - 07:59:33 2716
Ellensburg 07:52:36 -56.3 Dark Down 57.3 200.4 Up 07:45:38 - 07:59:34 2675
Yakima 07:52:35 -56.7 Dark Down 57.7 200.6 Up 07:45:37 - 07:59:33 2638
Pasco 07:52:29 -57.2 Dark Down 57.6 203.3 Up 07:45:31 - 07:59:27 2635
Toppenish/White Swan 07:52:34 -56.9 Dark Down 57.9 201.0 Up 07:45:36 - 07:59:32 2621
PNWRO 07:52:28 -57.5 Dark Down 57.8 203.8 Up 07:45:30 - 07:59:26 2617
George/Umatilla 07:52:29 -57.5 Dark Down 58.0 203.1 Up 07:45:31 - 07:59:27 2600
Goldendale 07:52:34 -57.4 Dark Down 58.5 200.6 Up 07:45:36 - 07:59:32 2563
The Dalles 07:52:36 -57.6 Dark Down 58.8 200.1 Up 07:45:38 - 07:59:34 2536
Maupin 07:52:34 -58.0 Dark Down 59.1 200.5 Up 07:45:36 - 07:59:32 2500
Madras/Culver 07:52:34 -58.5 Dark Down 59.7 200.8 Up 07:45:36 - 07:59:32 2449
Redmond 07:52:33 -58.9 Dark Down 60.0 200.9 Up 07:45:35 - 07:59:31 2415
Sisters 07:52:35 -58.8 Dark Down 60.1 200.1 Up 07:45:37 - 07:59:33 2409
Bend 07:52:33 -59.1 Dark Down 60.2 200.8 Up 07:45:35 - 07:59:31 2392
Niwot 07:51:27 -62.4 Dark Down 56.5 230.8 Up 07:44:29 - 07:58:25 2386
Oregon Observatory 07:52:33 -59.2 Dark Down 60.4 200.6 Up 07:45:35 - 07:59:31 2373
La Pine/Gilchrist 07:52:33 -59.4 Dark Down 60.6 200.6 Up 07:45:35 - 07:59:31 2353
North Lake 07:52:31 -59.9 Dark Down 60.9 202.0 Up 07:45:33 - 07:59:29 2324
Paisley 07:52:28 -60.5 Dark Down 61.3 203.1 Up 07:45:30 - 07:59:26 2280
Chiloquin 07:52:33 -60.4 Dark Down 61.8 200.6 Up 07:45:35 - 07:59:31 2242
Lakeview 07:52:27 -61.0 Dark Down 61.7 203.8 Up 07:45:29 - 07:59:25 2236
Klamath Falls 07:52:32 -60.8 Dark Down 62.1 201.0 Up 07:45:34 - 07:59:30 2211
Tulelake 07:52:31 -61.1 Dark Down 62.3 201.8 Up 07:45:33 - 07:59:29 2192
Cedarville 07:52:27 -61.7 Dark Down 62.3 204.7 Up 07:45:29 - 07:59:25 2178
Fall River/Burney 07:52:29 -62.0 Dark Down 63.1 202.6 Up 07:45:31 - 07:59:27 2107
Susanville 07:52:27 -62.7 Dark Down 63.4 204.6 Up 07:45:29 - 07:59:25 2062
Gimple 07:52:27 -63.0 Dark Down 63.7 204.4 Up 07:45:29 - 07:59:25 2031
Greenville 07:52:27 -62.9 Dark Down 63.8 204.2 Up 07:45:29 - 07:59:25 2029
Quincy 07:52:27 -63.1 Dark Down 64.0 204.4 Up 07:45:29 - 07:59:25 2010
Portola 07:52:27 -63.4 Dark Down 63.9 205.5 Up 07:45:29 - 07:59:25 2009
Reno 07:52:27 -63.7 Dark Down 63.9 207.1 Up 07:45:29 - 07:59:25 2000
Yerington 07:52:27 -64.4 Dark Down 64.2 209.0 Up 07:45:29 - 07:59:25 1967
Carson City 07:52:27 -64.1 Dark Down 64.2 207.5 Up 07:45:29 - 07:59:25 1967
Gardnerville 07:52:27 -64.3 Dark Down 64.4 207.8 Up 07:45:29 - 07:59:25 1946
Hawthorne 07:52:14 -64.9 Dark Down 64.4 210.4 Up 07:45:16 - 07:59:12 1922
Tonopah 07:52:08 -65.5 Dark Down 64.2 213.7 Up 07:45:10 - 07:59:06 1908
Lee Vining 07:52:15 -65.4 Dark Down 65.1 210.0 Up 07:45:17 - 07:59:13 1857
Bishop 07:52:11 -66.1 Dark Down 65.3 212.2 Up 07:45:13 - 07:59:09 1814
Beatty 07:52:04 -66.7 Dark Down 65.0 216.0 Up 07:45:06 - 07:59:02 1806
Indian Springs 07:51:59 -67.1 Dark Down 64.7 218.5 Up 07:45:01 - 07:58:57 1799
Henderson 07:51:55 -67.6 Dark Down 64.8 220.5 Up 07:44:57 - 07:58:53 1763
Lone Pine 07:52:09 -66.8 Dark Down 65.8 213.7 Up 07:45:11 - 07:59:07 1747
Patrick 07:51:50 -68.3 Dark Down 64.7 223.4 Up 07:44:52 - 07:58:48 1728
DCO 07:51:46 -68.5 Dark Down 64.5 225.1 Up 07:44:48 - 07:58:44 1715
Searchlight/Boulder City 07:51:54 -68.2 Dark Down 65.2 221.4 Up 07:44:56 - 07:58:52 1708
Kingman/Dolan Springs 07:51:50 -68.5 Dark Down 64.9 223.4 Up 07:44:52 - 07:58:48 1702
Laughlin/Bullhead City 07:51:52 -68.5 Dark Down 65.2 222.5 Up 07:44:54 - 07:58:50 1687
Mohave Valley 07:51:52 -68.8 Dark Down 65.4 222.9 Up 07:44:54 - 07:58:50 1661
Lake Havasu City 07:51:50 -69.2 Dark Down 65.6 223.9 Up 07:44:52 - 07:58:48 1627
Parker 07:51:49 -69.5 Dark Down 65.8 224.5 Up 07:44:51 - 07:58:47 1593
CPSLO 07:52:27 -67.7 Dark Down 68.0 209.8 Up 07:45:29 - 07:59:25 1575
Blythe 07:51:49 -70.1 Dark Down 66.4 224.8 Up 07:44:51 - 07:58:47 1534
Idyllwild 07:51:58 -69.8 Dark Down 67.4 220.5 Up 07:45:00 - 07:58:56 1494
Wildwood 07:52:07 -69.2 Dark Down 68.1 215.9 Up 07:45:09 - 07:59:05 1486
Calipatria 07:51:52 -70.5 Dark Down 67.3 223.8 Up 07:44:54 - 07:58:50 1462
Yuma 07:51:48 -71.0 Dark Down 67.0 226.2 Up 07:44:50 - 07:58:46 1441

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 2017/12/02 17:15:59 UT

Marc W. Buie, Southwest Research Institute

RECON