RECON: TNO occultation with 16AE193

Event between 16AE193 and star UC4-517-048485 with event index number of 184950

Geocentric closest approach at 2019/03/09 09:00:48 UTC

J2000 position of star is 08:54:35.8 +13:12:03
Equinox of date position of star is 08:55:35.6 +13:07:52
Stellar brightness R=14.1, use SENSEUP=64
Star is 113 degrees from the moon. Moon is 7% illuminated.
TNO apparent brightness V=20.6

[RECON map]
TNO is 17.3 AU from the Sun and 16.5 AU from the Earth.
The TNO is moving 16.2 km/sec on the sky relative to the star, or, 4.9 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is 774 km.
The sky-plane scale is 11956.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 8.9 sec chord
Diameter=59.0 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 16AE193, (2019/03/09 09:01UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:23.5 +11:52:22  1.3 18.04 131
65Alp Cnc      08:59:32.1 +11:46:57  4.3  1.65 114
PPM 125847     08:53:27.2 +13:09:35  8.4  0.54 113
PPM 125875     08:55:01.3 +13:14:13  9.5  0.19 113
PPM 125900     08:55:57.4 +13:11:58 10.5  0.10 113
16AE193        08:55:39.1 +13:07:37 14.1       114
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 15.0 km RECON observability=1.0 and success probability=4.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:58:47 -44.3 Dark Down 36.7 245.1 Up 08:52:54 - 09:04:40 2871
Tonasket 08:58:46 -44.6 Dark Down 36.8 245.3 Up 08:52:53 - 09:04:39 2856
Okanogan 08:58:45 -44.9 Dark Down 37.0 245.4 Up 08:52:52 - 09:04:38 2830
Brewster 08:58:44 -45.2 Dark Down 37.2 245.3 Up 08:52:51 - 09:04:37 2807
Manson/Chelan 08:58:44 -45.5 Dark Down 37.5 245.1 Up 08:52:51 - 09:04:37 2784
Entiat 08:58:43 -45.7 Dark Down 37.7 245.2 Up 08:52:50 - 09:04:36 2767
Wenatchee 08:58:42 -46.0 Dark Down 37.8 245.3 Up 08:52:49 - 09:04:35 2747
Ellensburg 08:58:41 -46.4 Dark Down 38.2 245.4 Up 08:52:48 - 09:04:34 2714
Pasco 08:58:33 -46.8 Dark Down 37.6 247.2 Up 08:52:40 - 09:04:26 2700
PNWRO 08:58:31 -47.0 Dark Down 37.5 247.6 Up 08:52:38 - 09:04:24 2689
Yakima 08:58:39 -46.8 Dark Down 38.3 245.6 Up 08:52:46 - 09:04:32 2686
Toppenish/White Swan 08:58:38 -47.0 Dark Down 38.3 246.0 Up 08:52:45 - 09:04:31 2675
George/Umatilla 08:58:32 -47.2 Dark Down 37.9 247.2 Up 08:52:39 - 09:04:25 2671
Niwot 08:57:27 -47.2 Dark Down 29.5 262.3 Low 08:51:34 - 09:03:20 2642
Goldendale 08:58:35 -47.6 Dark Down 38.8 245.9 Up 08:52:42 - 09:04:28 2626
The Dalles 08:58:35 -47.9 Dark Down 39.2 245.8 Up 08:52:42 - 09:04:28 2600
Maupin 08:58:33 -48.3 Dark Down 39.3 246.2 Up 08:52:40 - 09:04:26 2573
Madras/Culver 08:58:31 -48.8 Dark Down 39.5 246.5 Up 08:52:38 - 09:04:24 2533
Redmond 08:58:29 -49.2 Dark Down 39.7 246.8 Up 08:52:36 - 09:04:22 2506
Sisters 08:58:31 -49.2 Dark Down 39.9 246.4 Up 08:52:38 - 09:04:24 2497
Bend 08:58:29 -49.4 Dark Down 39.9 246.8 Up 08:52:36 - 09:04:22 2487
Oregon Observatory 08:58:28 -49.6 Dark Down 40.0 246.8 Up 08:52:35 - 09:04:21 2471
La Pine/Gilchrist 08:58:28 -49.8 Dark Down 40.2 246.9 Up 08:52:35 - 09:04:21 2454
North Lake 08:58:24 -50.1 Dark Down 39.9 247.8 Up 08:52:31 - 09:04:17 2439
Paisley 08:58:20 -50.5 Dark Down 39.9 248.5 Up 08:52:27 - 09:04:13 2408
Lakeview 08:58:17 -51.0 Dark Down 40.0 249.1 Up 08:52:24 - 09:04:10 2376
Chiloquin 08:58:24 -50.9 Dark Down 40.8 247.4 Up 08:52:31 - 09:04:17 2362
Klamath Falls 08:58:22 -51.3 Dark Down 40.9 247.8 Up 08:52:29 - 09:04:15 2339
Cedarville 08:58:13 -51.6 Dark Down 40.1 249.7 Up 08:52:20 - 09:04:06 2331
Tulelake 08:58:20 -51.4 Dark Down 40.8 248.2 Up 08:52:27 - 09:04:13 2327
Fall River/Burney 08:58:15 -52.3 Dark Down 41.1 249.0 Up 08:52:22 - 09:04:08 2260
Susanville 08:58:10 -52.7 Dark Down 40.8 250.2 Up 08:52:17 - 09:04:03 2233
Gimple 08:58:09 -53.1 Dark Down 41.1 250.2 Up 08:52:16 - 09:04:02 2206
Greenville 08:58:09 -53.1 Dark Down 41.1 250.1 Up 08:52:16 - 09:04:02 2203
Portola 08:58:06 -53.3 Dark Down 40.9 250.8 Up 08:52:13 - 09:03:59 2192
Reno 08:58:03 -53.3 Dark Down 40.5 251.6 Up 08:52:10 - 09:03:56 2190
Quincy 08:58:08 -53.3 Dark Down 41.2 250.3 Up 08:52:15 - 09:04:01 2188
Yerington 08:57:59 -53.7 Dark Down 40.2 252.6 Up 08:52:06 - 09:03:52 2166
Carson City 08:58:02 -53.7 Dark Down 40.6 251.9 Up 08:52:09 - 09:03:55 2163
Tonopah 08:57:48 -54.0 Dark Down 39.0 254.8 Up 08:51:55 - 09:03:41 2150
Hawthorne 08:57:55 -54.0 Dark Down 40.0 253.4 Up 08:52:02 - 09:03:48 2145
Gardnerville 08:58:00 -53.9 Dark Down 40.7 252.1 Up 08:52:07 - 09:03:53 2145
Lee Vining 08:57:54 -54.6 Dark Down 40.5 253.4 Up 08:52:01 - 09:03:47 2086
Indian Springs 08:57:37 -54.7 Dark Down 38.3 257.1 Up 08:51:44 - 09:03:30 2078
Beatty 08:57:41 -54.8 Dark Down 39.0 256.1 Up 08:51:48 - 09:03:34 2072
Bishop 08:57:48 -55.0 Dark Down 40.1 254.5 Up 08:51:55 - 09:03:41 2060
Henderson 08:57:32 -54.9 Dark Down 37.8 258.0 Up 08:51:39 - 09:03:25 2056
Patrick 08:57:26 -55.0 Dark Down 37.1 259.3 Up 08:51:33 - 09:03:19 2039
DCO 08:57:23 -55.0 Dark Down 36.6 260.0 Up 08:51:30 - 09:03:16 2036
Kingman/Dolan Springs 08:57:25 -55.3 Dark Down 37.3 259.3 Up 08:51:32 - 09:03:18 2015
Searchlight/Boulder City 08:57:29 -55.4 Dark Down 37.9 258.5 Up 08:51:36 - 09:03:22 2012
Lone Pine 08:57:44 -55.6 Dark Down 40.1 255.3 Up 08:51:51 - 09:03:37 2009
Laughlin/Bullhead City 08:57:27 -55.5 Dark Down 37.7 259.0 Up 08:51:34 - 09:03:20 1998
Mohave Valley 08:57:26 -55.8 Dark Down 37.8 259.2 Up 08:51:33 - 09:03:19 1976
Lake Havasu City 08:57:23 -56.0 Dark Down 37.6 259.6 Up 08:51:30 - 09:03:16 1951
Parker 08:57:21 -56.3 Dark Down 37.7 259.9 Up 08:51:28 - 09:03:14 1923
Blythe 08:57:20 -56.9 Dark Down 38.0 260.1 Up 08:51:27 - 09:03:13 1871
CPSLO 08:57:47 -57.6 Dark Down 42.4 254.4 Up 08:51:54 - 09:03:40 1824
Idyllwild 08:57:27 -57.7 Dark Down 39.7 258.6 Up 08:51:34 - 09:03:20 1815
Calipatria 08:57:21 -57.7 Dark Down 38.9 259.9 Up 08:51:28 - 09:03:14 1801
Yuma 08:57:16 -57.7 Dark Down 38.2 260.8 Up 08:51:23 - 09:03:09 1793
Wildwood 08:57:35 -58.0 Dark Down 41.1 257.0 Up 08:51:42 - 09:03:28 1787

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, (2019/03/09 09:01UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 18.04 131
65Alp Cnc      08:58:29.3 +11:51:27  4.3  1.65 114
PPM 125847     08:52:23.8 +13:13:59  8.4  0.54 113
PPM 125875     08:53:57.9 +13:18:39  9.5  0.19 113
PPM 125900     08:54:54.0 +13:16:24 10.5  0.10 113
16AE193        08:54:35.8 +13:12:03 14.1       113
Positions are for J2000

Event circumstances last updated at 2018/02/15 18:02:06 UT

Marc W. Buie, Southwest Research Institute

RECON