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 08:59:13 UTC

J2000 position of star is 08:54:35.8 +13:12:03
Equinox of date position of star is 08:55:35.0 +13:07:55
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 98 seconds.
The 1-sigma cross-track error in the shadow position is 1043 km.
The sky-plane scale is 11956.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=145.2 km assuming a 5% albedo -- 9.0 sec chord
Diameter=59.3 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 16AE193, (2019/03/09 08:59UT)
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 15.1 km RECON observability=1.0 and success probability=12.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:57:13 -44.4 Dark Down 36.9 244.7 Up 08:48:32 - 09:05:53 2499
Tonasket 08:57:12 -44.6 Dark Down 37.0 244.9 Up 08:48:31 - 09:05:52 2484
Okanogan 08:57:11 -45.0 Dark Down 37.2 245.0 Up 08:48:30 - 09:05:51 2458
Brewster 08:57:10 -45.3 Dark Down 37.5 245.0 Up 08:48:29 - 09:05:50 2435
Manson/Chelan 08:57:10 -45.6 Dark Down 37.8 244.8 Up 08:48:29 - 09:05:50 2412
Entiat 08:57:08 -45.8 Dark Down 37.9 244.8 Up 08:48:28 - 09:05:49 2395
Wenatchee 08:57:08 -46.0 Dark Down 38.1 244.9 Up 08:48:27 - 09:05:48 2376
Ellensburg 08:57:06 -46.5 Dark Down 38.4 245.0 Up 08:48:26 - 09:05:47 2342
Pasco 08:56:59 -46.9 Dark Down 37.8 246.9 Up 08:48:18 - 09:05:39 2328
PNWRO 08:56:57 -47.1 Dark Down 37.8 247.2 Up 08:48:17 - 09:05:38 2317
Yakima 08:57:04 -46.9 Dark Down 38.6 245.3 Up 08:48:24 - 09:05:45 2314
Toppenish/White Swan 08:57:03 -47.1 Dark Down 38.6 245.6 Up 08:48:23 - 09:05:44 2303
George/Umatilla 08:56:57 -47.3 Dark Down 38.1 246.9 Up 08:48:17 - 09:05:38 2299
Niwot 08:55:53 -47.3 Dark Down 29.8 262.0 Low 08:47:12 - 09:04:33 2269
Goldendale 08:57:01 -47.7 Dark Down 39.1 245.6 Up 08:48:21 - 09:05:42 2253
The Dalles 08:57:01 -48.0 Dark Down 39.4 245.4 Up 08:48:21 - 09:05:42 2228
Maupin 08:56:59 -48.3 Dark Down 39.5 245.8 Up 08:48:19 - 09:05:40 2201
Madras/Culver 08:56:57 -48.9 Dark Down 39.8 246.2 Up 08:48:17 - 09:05:38 2161
Redmond 08:56:55 -49.2 Dark Down 40.0 246.4 Up 08:48:15 - 09:05:36 2134
Sisters 08:56:57 -49.3 Dark Down 40.2 246.0 Up 08:48:16 - 09:05:37 2125
Bend 08:56:55 -49.5 Dark Down 40.1 246.4 Up 08:48:14 - 09:05:35 2114
Oregon Observatory 08:56:54 -49.7 Dark Down 40.3 246.4 Up 08:48:14 - 09:05:35 2098
La Pine/Gilchrist 08:56:54 -49.9 Dark Down 40.4 246.5 Up 08:48:13 - 09:05:34 2082
North Lake 08:56:50 -50.2 Dark Down 40.2 247.4 Up 08:48:09 - 09:05:30 2066
Paisley 08:56:46 -50.6 Dark Down 40.2 248.2 Up 08:48:06 - 09:05:27 2035
Lakeview 08:56:43 -51.1 Dark Down 40.2 248.7 Up 08:48:02 - 09:05:23 2003
Chiloquin 08:56:50 -51.0 Dark Down 41.1 247.1 Up 08:48:09 - 09:05:30 1989
Klamath Falls 08:56:48 -51.3 Dark Down 41.2 247.4 Up 08:48:07 - 09:05:28 1966
Cedarville 08:56:39 -51.7 Dark Down 40.4 249.4 Up 08:47:59 - 09:05:20 1959
Tulelake 08:56:46 -51.5 Dark Down 41.1 247.9 Up 08:48:05 - 09:05:26 1954
Fall River/Burney 08:56:41 -52.4 Dark Down 41.4 248.7 Up 08:48:01 - 09:05:22 1887
Susanville 08:56:36 -52.8 Dark Down 41.1 249.8 Up 08:47:55 - 09:05:16 1860
Gimple 08:56:35 -53.1 Dark Down 41.3 249.9 Up 08:47:55 - 09:05:16 1832
Greenville 08:56:35 -53.2 Dark Down 41.4 249.8 Up 08:47:55 - 09:05:16 1830
Portola 08:56:32 -53.4 Dark Down 41.2 250.5 Up 08:47:52 - 09:05:13 1819
Reno 08:56:29 -53.5 Dark Down 40.8 251.3 Up 08:47:48 - 09:05:09 1817
Quincy 08:56:35 -53.4 Dark Down 41.5 250.0 Up 08:47:54 - 09:05:15 1815
Yerington 08:56:25 -53.8 Dark Down 40.5 252.2 Up 08:47:44 - 09:05:05 1793
Carson City 08:56:28 -53.8 Dark Down 40.9 251.6 Up 08:47:47 - 09:05:08 1789
Tonopah 08:56:14 -54.1 Dark Down 39.3 254.5 Up 08:47:33 - 09:04:54 1776
Hawthorne 08:56:21 -54.1 Dark Down 40.3 253.0 Up 08:47:40 - 09:05:01 1772
Gardnerville 08:56:26 -54.0 Dark Down 40.9 251.8 Up 08:47:46 - 09:05:07 1771
Lee Vining 08:56:20 -54.8 Dark Down 40.8 253.1 Up 08:47:39 - 09:05:00 1713
Indian Springs 08:56:03 -54.9 Dark Down 38.6 256.8 Up 08:47:22 - 09:04:43 1704
Beatty 08:56:07 -55.0 Dark Down 39.3 255.8 Up 08:47:27 - 09:04:48 1698
Bishop 08:56:15 -55.1 Dark Down 40.4 254.2 Up 08:47:34 - 09:04:55 1686
Henderson 08:55:58 -55.1 Dark Down 38.1 257.7 Up 08:47:18 - 09:04:39 1682
Patrick 08:55:52 -55.2 Dark Down 37.4 259.0 Up 08:47:11 - 09:04:32 1665
DCO 08:55:48 -55.1 Dark Down 36.9 259.7 Up 08:47:08 - 09:04:29 1662
Kingman/Dolan Springs 08:55:51 -55.5 Dark Down 37.6 259.0 Up 08:47:11 - 09:04:32 1642
Searchlight/Boulder City 08:55:55 -55.6 Dark Down 38.2 258.2 Up 08:47:15 - 09:04:36 1638
Lone Pine 08:56:10 -55.7 Dark Down 40.4 255.0 Up 08:47:29 - 09:04:50 1635
Laughlin/Bullhead City 08:55:53 -55.7 Dark Down 38.0 258.7 Up 08:47:12 - 09:04:33 1624
Mohave Valley 08:55:52 -55.9 Dark Down 38.1 258.9 Up 08:47:11 - 09:04:32 1602
Lake Havasu City 08:55:49 -56.2 Dark Down 38.0 259.4 Up 08:47:08 - 09:04:29 1577
Parker 08:55:48 -56.5 Dark Down 38.0 259.7 Up 08:47:07 - 09:04:28 1549
Blythe 08:55:46 -57.0 Dark Down 38.3 259.9 Up 08:47:05 - 09:04:26 1497
CPSLO 08:56:14 -57.7 Dark Down 42.7 254.1 Up 08:47:33 - 09:04:54 1450
Idyllwild 08:55:53 -57.8 Dark Down 40.0 258.3 Up 08:47:13 - 09:04:34 1441
Calipatria 08:55:47 -57.9 Dark Down 39.2 259.6 Up 08:47:06 - 09:04:27 1427
Yuma 08:55:42 -57.8 Dark Down 38.5 260.5 Up 08:47:01 - 09:04:22 1419
Wildwood 08:56:01 -58.2 Dark Down 41.5 256.7 Up 08:47:20 - 09:04:41 1413

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 08:59UT)
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 2017/12/05 19:17:22 UT

Marc W. Buie, Southwest Research Institute

RECON