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 08:59:12 UTC

J2000 position of star is 08:54:35.8 +13:12:03
Equinox of date position of star is 08:55:33.2 +13:08:02
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 54 seconds.
The 1-sigma cross-track error in the shadow position is 701 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=7.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:57:12 -44.4 Dark Down 36.9 244.7 Up 08:52:14 - 09:02:10 2506
Tonasket 08:57:12 -44.6 Dark Down 37.0 244.9 Up 08:52:14 - 09:02:10 2491
Okanogan 08:57:10 -45.0 Dark Down 37.2 245.0 Up 08:52:12 - 09:02:08 2465
Brewster 08:57:09 -45.3 Dark Down 37.5 245.0 Up 08:52:11 - 09:02:07 2442
Manson/Chelan 08:57:09 -45.6 Dark Down 37.8 244.8 Up 08:52:11 - 09:02:07 2419
Entiat 08:57:08 -45.8 Dark Down 37.9 244.8 Up 08:52:10 - 09:02:06 2403
Wenatchee 08:57:07 -46.0 Dark Down 38.1 244.9 Up 08:52:09 - 09:02:05 2383
Ellensburg 08:57:05 -46.5 Dark Down 38.4 245.0 Up 08:52:07 - 09:02:03 2350
Pasco 08:56:58 -46.9 Dark Down 37.8 246.8 Up 08:52:00 - 09:01:56 2335
PNWRO 08:56:56 -47.1 Dark Down 37.8 247.2 Up 08:51:58 - 09:01:54 2324
Yakima 08:57:04 -46.9 Dark Down 38.6 245.3 Up 08:52:06 - 09:02:02 2321
Toppenish/White Swan 08:57:02 -47.1 Dark Down 38.6 245.6 Up 08:52:04 - 09:02:00 2311
George/Umatilla 08:56:57 -47.3 Dark Down 38.1 246.9 Up 08:51:59 - 09:01:55 2306
Niwot 08:55:52 -47.4 Dark Down 29.8 262.0 Low 08:50:54 - 09:00:50 2279
Goldendale 08:57:01 -47.7 Dark Down 39.1 245.6 Up 08:52:03 - 09:01:59 2261
The Dalles 08:57:01 -48.0 Dark Down 39.4 245.4 Up 08:52:03 - 09:01:59 2236
Maupin 08:56:58 -48.3 Dark Down 39.5 245.8 Up 08:52:00 - 09:01:56 2209
Madras/Culver 08:56:56 -48.9 Dark Down 39.8 246.2 Up 08:51:58 - 09:01:54 2169
Redmond 08:56:54 -49.2 Dark Down 40.0 246.4 Up 08:51:56 - 09:01:52 2142
Sisters 08:56:56 -49.3 Dark Down 40.2 246.0 Up 08:51:58 - 09:01:54 2133
Bend 08:56:54 -49.5 Dark Down 40.1 246.4 Up 08:51:56 - 09:01:52 2123
Oregon Observatory 08:56:54 -49.7 Dark Down 40.3 246.4 Up 08:51:56 - 09:01:52 2107
La Pine/Gilchrist 08:56:52 -49.9 Dark Down 40.4 246.5 Up 08:51:54 - 09:01:50 2090
North Lake 08:56:49 -50.2 Dark Down 40.2 247.4 Up 08:51:51 - 09:01:47 2075
Paisley 08:56:45 -50.6 Dark Down 40.2 248.2 Up 08:51:47 - 09:01:43 2044
Lakeview 08:56:42 -51.1 Dark Down 40.2 248.7 Up 08:51:44 - 09:01:40 2012
Chiloquin 08:56:49 -51.0 Dark Down 41.1 247.1 Up 08:51:51 - 09:01:47 1998
Klamath Falls 08:56:46 -51.3 Dark Down 41.2 247.4 Up 08:51:48 - 09:01:44 1975
Cedarville 08:56:38 -51.7 Dark Down 40.4 249.4 Up 08:51:40 - 09:01:36 1968
Tulelake 08:56:44 -51.5 Dark Down 41.1 247.9 Up 08:51:46 - 09:01:42 1963
Fall River/Burney 08:56:40 -52.4 Dark Down 41.4 248.7 Up 08:51:42 - 09:01:38 1896
Susanville 08:56:34 -52.8 Dark Down 41.1 249.8 Up 08:51:36 - 09:01:32 1869
Gimple 08:56:34 -53.1 Dark Down 41.3 249.9 Up 08:51:36 - 09:01:32 1841
Greenville 08:56:34 -53.2 Dark Down 41.4 249.8 Up 08:51:36 - 09:01:32 1839
Portola 08:56:32 -53.4 Dark Down 41.2 250.5 Up 08:51:34 - 09:01:30 1828
Reno 08:56:28 -53.5 Dark Down 40.8 251.3 Up 08:51:30 - 09:01:26 1826
Quincy 08:56:34 -53.4 Dark Down 41.5 250.0 Up 08:51:36 - 09:01:32 1823
Yerington 08:56:23 -53.8 Dark Down 40.5 252.2 Up 08:51:25 - 09:01:21 1802
Carson City 08:56:27 -53.8 Dark Down 40.9 251.6 Up 08:51:29 - 09:01:25 1798
Tonopah 08:56:13 -54.1 Dark Down 39.3 254.5 Up 08:51:15 - 09:01:11 1786
Hawthorne 08:56:20 -54.1 Dark Down 40.3 253.0 Up 08:51:22 - 09:01:18 1781
Gardnerville 08:56:25 -54.0 Dark Down 40.9 251.8 Up 08:51:27 - 09:01:23 1781
Lee Vining 08:56:19 -54.8 Dark Down 40.8 253.1 Up 08:51:21 - 09:01:17 1722
Indian Springs 08:56:02 -54.9 Dark Down 38.6 256.8 Up 08:51:04 - 09:01:00 1713
Beatty 08:56:06 -55.0 Dark Down 39.3 255.8 Up 08:51:08 - 09:01:04 1707
Bishop 08:56:14 -55.1 Dark Down 40.4 254.2 Up 08:51:16 - 09:01:12 1696
Henderson 08:55:57 -55.1 Dark Down 38.1 257.7 Up 08:50:59 - 09:00:55 1691
Patrick 08:55:51 -55.2 Dark Down 37.4 259.0 Up 08:50:53 - 09:00:49 1674
DCO 08:55:47 -55.1 Dark Down 36.9 259.7 Up 08:50:49 - 09:00:45 1671
Kingman/Dolan Springs 08:55:50 -55.5 Dark Down 37.6 259.0 Up 08:50:52 - 09:00:48 1651
Searchlight/Boulder City 08:55:54 -55.6 Dark Down 38.2 258.2 Up 08:50:56 - 09:00:52 1647
Lone Pine 08:56:09 -55.7 Dark Down 40.4 255.0 Up 08:51:11 - 09:01:07 1645
Laughlin/Bullhead City 08:55:52 -55.7 Dark Down 38.0 258.7 Up 08:50:54 - 09:00:50 1633
Mohave Valley 08:55:50 -55.9 Dark Down 38.1 258.9 Up 08:50:52 - 09:00:48 1611
Lake Havasu City 08:55:48 -56.2 Dark Down 38.0 259.4 Up 08:50:50 - 09:00:46 1586
Parker 08:55:46 -56.5 Dark Down 38.0 259.6 Up 08:50:48 - 09:00:44 1558
Blythe 08:55:45 -57.0 Dark Down 38.3 259.8 Up 08:50:47 - 09:00:43 1506
CPSLO 08:56:12 -57.7 Dark Down 42.8 254.1 Up 08:51:14 - 09:01:10 1459
Idyllwild 08:55:52 -57.8 Dark Down 40.0 258.3 Up 08:50:54 - 09:00:50 1451
Calipatria 08:55:45 -57.9 Dark Down 39.2 259.6 Up 08:50:47 - 09:00:43 1436
Yuma 08:55:41 -57.8 Dark Down 38.5 260.5 Up 08:50:43 - 09:00:39 1428
Wildwood 08:56:00 -58.2 Dark Down 41.5 256.7 Up 08:51:02 - 09:00:58 1422

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 2017/05/20 18:11:46 UT

Marc W. Buie, Southwest Research Institute

RECON