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 06:09:54 UTC

J2000 position of star is 08:32:23.6 +15:46:50
Equinox of date position of star is 08:33:24.7 +15:43:05
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 61 seconds.
The 1-sigma cross-track error in the shadow position is 720 km.
The sky-plane scale is 11711.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=144.5 km assuming a 5% albedo -- 7.6 sec chord
Diameter=59.0 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=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 06:10:34 -42.9 Dark Up 56.8 180.3 Up 06:05:02 - 06:16:07 5059
Tonasket 06:10:35 -43.1 Dark Up 57.1 180.3 Up 06:05:03 - 06:16:08 5038
Okanogan 06:10:35 -43.2 Dark Up 57.4 180.0 Up 06:05:02 - 06:16:07 5005
Brewster 06:10:35 -43.3 Dark Up 57.7 179.7 Up 06:05:03 - 06:16:08 4977
Manson/Chelan 06:10:36 -43.3 Dark Up 57.9 179.0 Up 06:05:04 - 06:16:09 4952
Entiat 06:10:36 -43.5 Dark Up 58.1 178.9 Up 06:05:04 - 06:16:09 4931
Wenatchee 06:10:36 -43.6 Dark Up 58.4 178.7 Up 06:05:04 - 06:16:09 4906
Ellensburg 06:10:37 -43.8 Dark Up 58.8 178.3 Up 06:05:04 - 06:16:09 4864
Yakima 06:10:36 -44.1 Dark Up 59.2 178.2 Up 06:05:04 - 06:16:09 4825
Pasco 06:10:30 -45.0 Dark Up 59.5 180.9 Up 06:04:58 - 06:16:03 4816
Toppenish/White Swan 06:10:35 -44.3 Dark Up 59.4 178.5 Up 06:05:03 - 06:16:08 4808
PNWRO 06:10:29 -45.3 Dark Up 59.8 181.3 Up 06:04:56 - 06:16:01 4797
George/Umatilla 06:10:31 -45.1 Dark Up 59.9 180.5 Up 06:04:59 - 06:16:04 4781
Goldendale 06:10:37 -44.5 Dark Up 59.9 177.7 Up 06:05:04 - 06:16:09 4749
The Dalles 06:10:38 -44.4 Dark Up 60.2 177.0 Up 06:05:06 - 06:16:11 4722
Maupin 06:10:37 -44.8 Dark Up 60.6 177.1 Up 06:05:05 - 06:16:10 4684
Madras/Culver 06:10:37 -45.1 Dark Up 61.1 177.0 Up 06:05:04 - 06:16:09 4631
Redmond 06:10:37 -45.3 Dark Up 61.5 176.9 Up 06:05:04 - 06:16:09 4596
Sisters 06:10:39 -45.1 Dark Up 61.4 176.1 Up 06:05:06 - 06:16:11 4592
Bend 06:10:37 -45.4 Dark Up 61.7 176.6 Up 06:05:05 - 06:16:10 4573
Oregon Observatory 06:10:38 -45.5 Dark Up 61.9 176.3 Up 06:05:05 - 06:16:10 4555
La Pine/Gilchrist 06:10:38 -45.6 Dark Up 62.1 176.1 Up 06:05:05 - 06:16:10 4534
North Lake 06:10:35 -46.2 Dark Up 62.5 177.3 Up 06:05:02 - 06:16:07 4501
Niwot 06:09:20 -55.8 Dark Up 62.7 210.9 Up 06:03:47 - 06:14:52 4501
Paisley 06:10:32 -46.7 Dark Up 63.1 178.0 Up 06:05:00 - 06:16:05 4454
Chiloquin 06:10:38 -46.1 Dark Up 63.1 175.2 Up 06:05:06 - 06:16:11 4420
Lakeview 06:10:31 -47.2 Dark Up 63.6 178.4 Up 06:04:59 - 06:16:04 4407
Klamath Falls 06:10:38 -46.4 Dark Up 63.5 175.3 Up 06:05:05 - 06:16:10 4388
Tulelake 06:10:36 -46.7 Dark Up 63.8 175.9 Up 06:05:03 - 06:16:08 4366
Cedarville 06:10:30 -47.7 Dark Up 64.2 178.7 Up 06:04:57 - 06:16:02 4346
Fall River/Burney 06:10:35 -47.3 Dark Up 64.7 176.0 Up 06:05:02 - 06:16:07 4278
Susanville 06:10:31 -48.2 Dark Up 65.3 177.5 Up 06:04:58 - 06:16:03 4228
Gimple 06:10:32 -48.2 Dark Up 65.6 177.0 Up 06:04:59 - 06:16:04 4197
Greenville 06:10:32 -48.2 Dark Up 65.6 176.8 Up 06:04:59 - 06:16:04 4196
Quincy 06:10:32 -48.3 Dark Up 65.8 176.8 Up 06:04:59 - 06:16:04 4176
Portola 06:10:29 -48.6 Dark Up 66.0 177.9 Up 06:04:57 - 06:16:02 4171
Reno 06:10:25 -49.2 Dark Up 66.2 179.4 Up 06:04:53 - 06:15:58 4156
Carson City 06:10:25 -49.4 Dark Up 66.6 179.5 Up 06:04:53 - 06:15:58 4120
Yerington 06:10:22 -49.9 Dark Up 66.8 181.0 Up 06:04:50 - 06:15:55 4112
Gardnerville 06:10:25 -49.6 Dark Up 66.8 179.6 Up 06:04:52 - 06:15:57 4097
Hawthorne 06:10:19 -50.5 Dark Up 67.2 182.3 Up 06:04:47 - 06:15:52 4075
Tonopah 06:10:12 -51.7 Dark Up 67.6 185.8 Up 06:04:39 - 06:15:44 4054
Lee Vining 06:10:21 -50.6 Dark Up 67.8 181.1 Up 06:04:48 - 06:15:53 4009
Bishop 06:10:17 -51.4 Dark Up 68.4 183.0 Up 06:04:44 - 06:15:49 3963
Beatty 06:10:08 -52.7 Dark Up 68.7 187.3 Up 06:04:36 - 06:15:41 3947
Indian Springs 06:10:03 -53.5 Dark Up 68.9 190.2 Up 06:04:30 - 06:15:35 3934
Henderson 06:09:58 -54.3 Dark Up 69.4 192.3 Up 06:04:26 - 06:15:31 3894
Lone Pine 06:10:14 -52.1 Dark Up 69.1 184.0 Up 06:04:41 - 06:15:46 3892
Patrick 06:09:52 -55.4 Dark Up 69.7 195.6 Up 06:04:19 - 06:15:24 3854
Searchlight/Boulder City 06:09:57 -54.7 Dark Up 69.9 192.8 Up 06:04:24 - 06:15:29 3838
DCO 06:09:48 -56.0 Dark Up 69.9 197.8 Up 06:04:16 - 06:15:21 3837
Kingman/Dolan Springs 06:09:53 -55.4 Dark Up 70.0 195.3 Up 06:04:20 - 06:15:25 3827
Laughlin/Bullhead City 06:09:55 -55.1 Dark Up 70.1 193.9 Up 06:04:23 - 06:15:28 3814
Mohave Valley 06:09:55 -55.3 Dark Up 70.4 194.1 Up 06:04:22 - 06:15:27 3787
Lake Havasu City 06:09:53 -55.7 Dark Up 70.7 195.1 Up 06:04:20 - 06:15:25 3751
Parker 06:09:52 -56.0 Dark Up 71.1 195.4 Up 06:04:19 - 06:15:24 3716
CPSLO 06:10:25 -51.2 Dark Up 70.5 176.9 Up 06:04:53 - 06:15:58 3712
Blythe 06:09:53 -56.1 Dark Up 71.6 195.0 Up 06:04:20 - 06:15:25 3656
Wildwood 06:10:14 -53.3 Dark Up 71.7 182.8 Up 06:04:41 - 06:15:46 3625
Idyllwild 06:10:04 -54.7 Dark Up 71.9 188.6 Up 06:04:31 - 06:15:36 3625
Calipatria 06:09:57 -55.9 Dark Up 72.3 192.5 Up 06:04:25 - 06:15:30 3587
Yuma 06:09:52 -56.7 Dark Up 72.5 195.6 Up 06:04:19 - 06:15:24 3561

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 2018/02/07 17:10:03 UT

Marc W. Buie, Southwest Research Institute

RECON