RECON: TNO occultation with 16AE193

Event between 16AE193 and star TYC21392-02636-1 with event index number of 111324

Geocentric closest approach at 2018/02/25 06:10:08 UTC

J2000 position of star is 08:32:23.6 +15:46:50
Equinox of date position of star is 08:33:24.2 +15:43:07
Stellar brightness V=9.6, use SENSEUP=2
Star is 35 degrees from the moon. Moon is 71% illuminated.
TNO apparent brightness V=20.7

[RECON map]
TNO is 17.0 AU from the Sun and 16.1 AU from the Earth.
The TNO is moving 17.8 km/sec on the sky relative to the star, or, 5.5 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is 799 km.
The sky-plane scale is 11711.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=145.2 km assuming a 5% albedo -- 7.6 sec chord
Diameter=59.3 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 16AE193, (2018/02/25 06:10UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:25.5 +27:58:51  1.1 16.39  24
PPM 125463     08:37:08.6 +15:14:59  6.5  1.01  36
PPM 125386     08:33:20.7 +16:09:01  8.4  0.43  34
PPM 125403     08:34:25.1 +15:44:57  9.8  0.24  35
16AE193        08:33:24.8 +15:43:05  9.6        35
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 21.6 km RECON observability=1.0 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 06:10:47 -42.9 Dark Up 56.8 180.4 Up 06:04:10 - 06:17:25 4981
Tonasket 06:10:47 -43.1 Dark Up 57.1 180.4 Up 06:04:10 - 06:17:25 4960
Okanogan 06:10:47 -43.3 Dark Up 57.4 180.1 Up 06:04:10 - 06:17:25 4927
Brewster 06:10:48 -43.4 Dark Up 57.7 179.8 Up 06:04:11 - 06:17:26 4899
Manson/Chelan 06:10:50 -43.4 Dark Up 57.9 179.1 Up 06:04:12 - 06:17:27 4874
Entiat 06:10:50 -43.5 Dark Up 58.1 179.0 Up 06:04:12 - 06:17:27 4853
Wenatchee 06:10:50 -43.6 Dark Up 58.4 178.8 Up 06:04:12 - 06:17:27 4828
Ellensburg 06:10:50 -43.8 Dark Up 58.8 178.4 Up 06:04:13 - 06:17:28 4786
Yakima 06:10:50 -44.1 Dark Up 59.2 178.3 Up 06:04:12 - 06:17:27 4747
Pasco 06:10:43 -45.0 Dark Up 59.5 181.0 Up 06:04:06 - 06:17:21 4738
Toppenish/White Swan 06:10:49 -44.3 Dark Up 59.4 178.6 Up 06:04:11 - 06:17:26 4730
PNWRO 06:10:42 -45.3 Dark Up 59.8 181.4 Up 06:04:05 - 06:17:20 4719
George/Umatilla 06:10:44 -45.1 Dark Up 59.9 180.6 Up 06:04:06 - 06:17:21 4703
Goldendale 06:10:50 -44.5 Dark Up 59.9 177.8 Up 06:04:13 - 06:17:28 4671
The Dalles 06:10:51 -44.5 Dark Up 60.2 177.1 Up 06:04:14 - 06:17:29 4644
Maupin 06:10:50 -44.8 Dark Up 60.6 177.2 Up 06:04:13 - 06:17:28 4606
Madras/Culver 06:10:50 -45.2 Dark Up 61.1 177.1 Up 06:04:13 - 06:17:28 4553
Redmond 06:10:50 -45.4 Dark Up 61.5 177.0 Up 06:04:13 - 06:17:28 4518
Sisters 06:10:52 -45.1 Dark Up 61.4 176.2 Up 06:04:14 - 06:17:29 4514
Bend 06:10:50 -45.4 Dark Up 61.7 176.7 Up 06:04:12 - 06:17:27 4495
Oregon Observatory 06:10:51 -45.5 Dark Up 61.9 176.4 Up 06:04:13 - 06:17:28 4477
La Pine/Gilchrist 06:10:51 -45.6 Dark Up 62.1 176.2 Up 06:04:13 - 06:17:28 4456
North Lake 06:10:48 -46.2 Dark Up 62.5 177.4 Up 06:04:10 - 06:17:25 4423
Niwot 06:09:33 -55.9 Dark Up 62.7 211.0 Up 06:02:56 - 06:16:11 4423
Paisley 06:10:46 -46.8 Dark Up 63.1 178.1 Up 06:04:08 - 06:17:23 4376
Chiloquin 06:10:51 -46.1 Dark Up 63.1 175.3 Up 06:04:14 - 06:17:29 4342
Lakeview 06:10:44 -47.2 Dark Up 63.6 178.5 Up 06:04:07 - 06:17:22 4329
Klamath Falls 06:10:51 -46.4 Dark Up 63.5 175.5 Up 06:04:13 - 06:17:28 4310
Tulelake 06:10:49 -46.7 Dark Up 63.8 176.1 Up 06:04:12 - 06:17:27 4288
Cedarville 06:10:43 -47.7 Dark Up 64.2 178.8 Up 06:04:05 - 06:17:20 4268
Fall River/Burney 06:10:48 -47.4 Dark Up 64.7 176.1 Up 06:04:10 - 06:17:25 4200
Susanville 06:10:44 -48.2 Dark Up 65.3 177.7 Up 06:04:06 - 06:17:21 4150
Gimple 06:10:45 -48.2 Dark Up 65.6 177.2 Up 06:04:07 - 06:17:22 4119
Greenville 06:10:45 -48.2 Dark Up 65.6 177.0 Up 06:04:07 - 06:17:22 4118
Quincy 06:10:45 -48.3 Dark Up 65.8 177.0 Up 06:04:07 - 06:17:22 4098
Portola 06:10:43 -48.7 Dark Up 66.0 178.0 Up 06:04:05 - 06:17:20 4093
Reno 06:10:39 -49.2 Dark Up 66.2 179.5 Up 06:04:02 - 06:17:17 4078
Carson City 06:10:39 -49.5 Dark Up 66.6 179.6 Up 06:04:01 - 06:17:16 4042
Yerington 06:10:35 -50.0 Dark Up 66.8 181.1 Up 06:03:58 - 06:17:13 4034
Gardnerville 06:10:38 -49.6 Dark Up 66.8 179.7 Up 06:04:01 - 06:17:16 4019
Hawthorne 06:10:32 -50.6 Dark Up 67.2 182.4 Up 06:03:54 - 06:17:09 3997
Tonopah 06:10:25 -51.7 Dark Up 67.6 186.0 Up 06:03:47 - 06:17:02 3976
Lee Vining 06:10:34 -50.6 Dark Up 67.8 181.2 Up 06:03:56 - 06:17:11 3932
Bishop 06:10:30 -51.5 Dark Up 68.4 183.1 Up 06:03:52 - 06:17:07 3885
Beatty 06:10:21 -52.7 Dark Up 68.7 187.4 Up 06:03:44 - 06:16:59 3869
Indian Springs 06:10:16 -53.6 Dark Up 68.9 190.4 Up 06:03:38 - 06:16:53 3857
Henderson 06:10:11 -54.3 Dark Up 69.3 192.4 Up 06:03:34 - 06:16:49 3817
Lone Pine 06:10:27 -52.1 Dark Up 69.1 184.1 Up 06:03:50 - 06:17:05 3814
Patrick 06:10:05 -55.4 Dark Up 69.7 195.8 Up 06:03:28 - 06:16:43 3776
Searchlight/Boulder City 06:10:10 -54.8 Dark Up 69.9 192.9 Up 06:03:33 - 06:16:48 3760
DCO 06:10:01 -56.0 Dark Up 69.9 197.9 Up 06:03:24 - 06:16:39 3760
Kingman/Dolan Springs 06:10:06 -55.5 Dark Up 70.0 195.5 Up 06:03:29 - 06:16:44 3750
Laughlin/Bullhead City 06:10:08 -55.2 Dark Up 70.1 194.1 Up 06:03:31 - 06:16:46 3737
Mohave Valley 06:10:07 -55.3 Dark Up 70.4 194.3 Up 06:03:30 - 06:16:45 3709
Lake Havasu City 06:10:06 -55.8 Dark Up 70.7 195.2 Up 06:03:29 - 06:16:44 3674
Parker 06:10:06 -56.0 Dark Up 71.1 195.6 Up 06:03:28 - 06:16:43 3638
CPSLO 06:10:39 -51.3 Dark Up 70.5 177.0 Up 06:04:01 - 06:17:16 3634
Blythe 06:10:06 -56.2 Dark Up 71.6 195.1 Up 06:03:29 - 06:16:44 3579
Wildwood 06:10:27 -53.3 Dark Up 71.7 183.0 Up 06:03:49 - 06:17:04 3548
Idyllwild 06:10:17 -54.8 Dark Up 71.9 188.8 Up 06:03:39 - 06:16:54 3547
Calipatria 06:10:10 -55.9 Dark Up 72.3 192.7 Up 06:03:33 - 06:16:48 3509
Yuma 06:10:05 -56.7 Dark Up 72.5 195.7 Up 06:03:28 - 06:16:43 3483

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, (2018/02/25 06:10UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1 16.39  24
PPM 125463     08:36:07.7 +15:18:49  6.5  1.01  36
PPM 125386     08:32:19.3 +16:12:46  8.4  0.43  34
PPM 125403     08:33:24.0 +15:48:43  9.8  0.24  35
16AE193        08:32:23.6 +15:46:50  9.6        35
Positions are for J2000

Event circumstances last updated at 2017/12/16 18:26:21 UT

Marc W. Buie, Southwest Research Institute

RECON