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 06:09:05 UTC

J2000 position of star is 08:32:23.6 +15:46:50
Equinox of date position of star is 08:33:22.2 +15:43:14
Stellar brightness V=9.6, use SENSEUP=2
Star is 35 degrees from the moon. Moon is 71% illuminated.
TNO apparent brightness V=20.5

[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 49 seconds.
The 1-sigma cross-track error in the shadow position is 659 km.
The sky-plane scale is 11711.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=145.2 km assuming a 5% albedo -- 8.2 sec chord
Diameter=59.3 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 16AE193, (2018/02/25 06:09UT)
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  35
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 06:09:45 -42.8 Dark Up 56.8 179.9 Up 06:05:10 - 06:14:20 4804
Tonasket 06:09:45 -43.0 Dark Up 57.1 179.9 Up 06:05:10 - 06:14:20 4783
Okanogan 06:09:45 -43.1 Dark Up 57.4 179.7 Up 06:05:10 - 06:14:20 4750
Brewster 06:09:45 -43.3 Dark Up 57.7 179.3 Up 06:05:10 - 06:14:20 4722
Manson/Chelan 06:09:47 -43.2 Dark Up 57.9 178.6 Up 06:05:12 - 06:14:22 4697
Entiat 06:09:47 -43.4 Dark Up 58.1 178.5 Up 06:05:12 - 06:14:22 4675
Wenatchee 06:09:47 -43.5 Dark Up 58.4 178.3 Up 06:05:12 - 06:14:22 4650
Ellensburg 06:09:48 -43.7 Dark Up 58.8 177.9 Up 06:05:13 - 06:14:23 4608
Yakima 06:09:48 -44.0 Dark Up 59.2 177.8 Up 06:05:13 - 06:14:23 4570
Pasco 06:09:41 -44.9 Dark Up 59.5 180.5 Up 06:05:06 - 06:14:16 4561
Toppenish/White Swan 06:09:47 -44.2 Dark Up 59.4 178.1 Up 06:05:12 - 06:14:22 4552
PNWRO 06:09:39 -45.2 Dark Up 59.8 180.9 Up 06:05:04 - 06:14:14 4541
George/Umatilla 06:09:41 -45.0 Dark Up 59.9 180.1 Up 06:05:06 - 06:14:16 4526
Goldendale 06:09:48 -44.4 Dark Up 59.9 177.3 Up 06:05:13 - 06:14:23 4494
The Dalles 06:09:49 -44.3 Dark Up 60.1 176.6 Up 06:05:14 - 06:14:24 4467
Maupin 06:09:48 -44.7 Dark Up 60.6 176.7 Up 06:05:13 - 06:14:23 4429
Madras/Culver 06:09:48 -45.0 Dark Up 61.1 176.6 Up 06:05:13 - 06:14:23 4376
Redmond 06:09:48 -45.2 Dark Up 61.5 176.5 Up 06:05:13 - 06:14:23 4341
Sisters 06:09:49 -45.0 Dark Up 61.4 175.7 Up 06:05:14 - 06:14:24 4337
Bend 06:09:48 -45.3 Dark Up 61.7 176.1 Up 06:05:13 - 06:14:23 4318
Oregon Observatory 06:09:48 -45.3 Dark Up 61.8 175.9 Up 06:05:13 - 06:14:23 4300
La Pine/Gilchrist 06:09:48 -45.5 Dark Up 62.0 175.7 Up 06:05:13 - 06:14:23 4279
Niwot 06:08:39 -55.8 Dark Up 62.8 210.5 Up 06:04:04 - 06:13:14 4250
North Lake 06:09:45 -46.1 Dark Up 62.5 176.9 Up 06:05:10 - 06:14:20 4246
Paisley 06:09:43 -46.6 Dark Up 63.1 177.6 Up 06:05:08 - 06:14:18 4199
Chiloquin 06:09:49 -46.0 Dark Up 63.1 174.8 Up 06:05:14 - 06:14:24 4165
Lakeview 06:09:41 -47.1 Dark Up 63.6 177.9 Up 06:05:06 - 06:14:16 4152
Klamath Falls 06:09:48 -46.2 Dark Up 63.5 174.9 Up 06:05:13 - 06:14:23 4133
Tulelake 06:09:46 -46.6 Dark Up 63.8 175.5 Up 06:05:11 - 06:14:21 4111
Cedarville 06:09:40 -47.6 Dark Up 64.2 178.2 Up 06:05:05 - 06:14:15 4091
Fall River/Burney 06:09:45 -47.2 Dark Up 64.7 175.5 Up 06:05:10 - 06:14:20 4023
Susanville 06:09:41 -48.0 Dark Up 65.3 177.1 Up 06:05:06 - 06:14:16 3973
Gimple 06:09:42 -48.1 Dark Up 65.6 176.6 Up 06:05:07 - 06:14:17 3942
Greenville 06:09:42 -48.0 Dark Up 65.6 176.4 Up 06:05:07 - 06:14:17 3941
Quincy 06:09:42 -48.2 Dark Up 65.8 176.3 Up 06:05:07 - 06:14:17 3921
Portola 06:09:40 -48.5 Dark Up 66.0 177.4 Up 06:05:05 - 06:14:15 3916
Reno 06:09:36 -49.1 Dark Up 66.2 178.9 Up 06:05:01 - 06:14:11 3901
Carson City 06:09:36 -49.3 Dark Up 66.6 179.0 Up 06:05:01 - 06:14:11 3866
Yerington 06:09:33 -49.8 Dark Up 66.8 180.5 Up 06:04:58 - 06:14:08 3857
Gardnerville 06:09:35 -49.5 Dark Up 66.8 179.0 Up 06:05:00 - 06:14:10 3842
Hawthorne 06:09:29 -50.4 Dark Up 67.2 181.8 Up 06:04:54 - 06:14:04 3820
Tonopah 06:09:22 -51.5 Dark Up 67.6 185.3 Up 06:04:47 - 06:13:57 3800
Lee Vining 06:09:31 -50.5 Dark Up 67.8 180.6 Up 06:04:56 - 06:14:06 3755
Bishop 06:09:27 -51.3 Dark Up 68.4 182.4 Up 06:04:52 - 06:14:02 3708
Beatty 06:09:18 -52.6 Dark Up 68.8 186.7 Up 06:04:43 - 06:13:53 3692
Indian Springs 06:09:12 -53.4 Dark Up 69.0 189.7 Up 06:04:37 - 06:13:47 3680
Henderson 06:09:08 -54.2 Dark Up 69.4 191.7 Up 06:04:33 - 06:13:43 3639
Lone Pine 06:09:24 -52.0 Dark Up 69.1 183.4 Up 06:04:49 - 06:13:59 3637
Patrick 06:09:02 -55.3 Dark Up 69.8 195.1 Up 06:04:27 - 06:13:37 3599
Searchlight/Boulder City 06:09:08 -54.6 Dark Up 69.9 192.2 Up 06:04:33 - 06:13:43 3583
DCO 06:08:58 -55.9 Dark Up 69.9 197.2 Up 06:04:23 - 06:13:33 3583
Kingman/Dolan Springs 06:09:03 -55.3 Dark Up 70.0 194.7 Up 06:04:28 - 06:13:38 3573
Laughlin/Bullhead City 06:09:05 -55.0 Dark Up 70.2 193.3 Up 06:04:30 - 06:13:40 3559
Mohave Valley 06:09:05 -55.2 Dark Up 70.4 193.5 Up 06:04:30 - 06:13:40 3532
Lake Havasu City 06:09:04 -55.6 Dark Up 70.8 194.5 Up 06:04:29 - 06:13:39 3496
Parker 06:09:03 -55.9 Dark Up 71.1 194.8 Up 06:04:28 - 06:13:38 3461
CPSLO 06:09:36 -51.1 Dark Up 70.4 176.3 Up 06:05:01 - 06:14:11 3457
Blythe 06:09:03 -56.0 Dark Up 71.7 194.3 Up 06:04:28 - 06:13:38 3401
Idyllwild 06:09:13 -54.6 Dark Up 71.9 187.9 Up 06:04:38 - 06:13:48 3371
Wildwood 06:09:23 -53.1 Dark Up 71.7 182.2 Up 06:04:48 - 06:13:58 3370
Calipatria 06:09:07 -55.7 Dark Up 72.3 191.9 Up 06:04:32 - 06:13:42 3331
Yuma 06:09:02 -56.6 Dark Up 72.6 194.9 Up 06:04:27 - 06:13:37 3306

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 06:09UT)
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  35
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 2017/05/17 18:02:34 UT

Marc W. Buie, Southwest Research Institute

RECON