RECON: TNO occultation with 14WE510

Event between 14WE510 and star UC4-507-009335 with event index number of 249708

Geocentric closest approach at 2019/01/05 06:13:54 UTC

J2000 position of star is 05:03:06.5 +11:23:09
Equinox of date position of star is 05:04:07.1 +11:24:37
Stellar brightness R=16.2, use SENSEUP=128
Star is 158 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 27.3 AU from the Sun and 26.4 AU from the Earth.
The TNO is moving 21.4 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 238 seconds.
The 1-sigma cross-track error in the shadow position is 5452 km.
The sky-plane scale is 19165.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=169.8 km assuming a 5% albedo -- 7.9 sec chord
Diameter=69.3 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WE510, (2019/01/05 06:14UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.8 +16:32:46  0.8  8.35 154
Bellatrix      05:26:09.1 +06:21:55  1.6  7.41 159
6 Ori          04:55:50.3 +11:27:21  5.2  2.04 156
PPM 120517     05:02:51.0 +11:24:05  7.2  0.32 158
PPM 120544     05:04:36.0 +11:07:49  9.8  0.30 158
PPM 120543     05:04:34.2 +11:27:56 10.8  0.11 158
14WE510        05:04:09.9 +11:24:42 16.2       158
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 3.8 sigma about the mid-time.
The median site spacing is 21.4 km RECON observability=1.0 and success probability=7.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 06:14:15 -56.1 Dark Down 52.4 184.7 Up 05:59:15 - 06:29:15 -1551
Tonasket 06:14:15 -56.2 Dark Down 52.6 184.7 Up 05:59:15 - 06:29:15 -1571
Okanogan 06:14:15 -56.4 Dark Down 52.9 184.5 Up 05:59:15 - 06:29:15 -1602
Brewster 06:14:15 -56.4 Dark Down 53.2 184.2 Up 05:59:15 - 06:29:15 -1628
Manson/Chelan 06:14:16 -56.4 Dark Down 53.5 183.6 Up 05:59:16 - 06:29:16 -1651
Entiat 06:14:17 -56.5 Dark Down 53.7 183.5 Up 05:59:17 - 06:29:17 -1672
Wenatchee 06:14:17 -56.6 Dark Down 53.9 183.4 Up 05:59:17 - 06:29:17 -1695
Ellensburg 06:14:17 -56.7 Dark Down 54.4 183.0 Up 05:59:17 - 06:29:17 -1735
Yakima 06:14:17 -56.9 Dark Down 54.8 183.0 Up 05:59:17 - 06:29:17 -1771
Pasco 06:14:11 -57.9 Dark Down 55.0 185.5 Up 05:59:11 - 06:29:11 -1782
Toppenish/White Swan 06:14:16 -57.2 Dark Down 55.0 183.3 Up 05:59:16 - 06:29:16 -1788
PNWRO 06:14:10 -58.2 Dark Down 55.3 185.9 Up 05:59:10 - 06:29:10 -1802
George/Umatilla 06:14:12 -58.0 Dark Down 55.4 185.2 Up 05:59:12 - 06:29:12 -1815
Goldendale 06:14:17 -57.3 Dark Down 55.5 182.7 Up 05:59:17 - 06:29:17 -1843
The Dalles 06:14:18 -57.2 Dark Down 55.8 182.0 Up 05:59:18 - 06:29:18 -1868
Maupin 06:14:17 -57.5 Dark Down 56.2 182.2 Up 05:59:17 - 06:29:17 -1905
Madras/Culver 06:14:17 -57.8 Dark Down 56.7 182.2 Up 05:59:17 - 06:29:17 -1956
Redmond 06:14:17 -57.9 Dark Down 57.1 182.1 Up 05:59:17 - 06:29:17 -1989
Sisters 06:14:18 -57.7 Dark Down 57.1 181.4 Up 05:59:18 - 06:29:18 -1992
Bend 06:14:18 -57.9 Dark Down 57.3 181.9 Up 05:59:18 - 06:29:18 -2011
Oregon Observatory 06:14:17 -58.0 Dark Down 57.5 181.7 Up 05:59:17 - 06:29:17 -2028
La Pine/Gilchrist 06:14:18 -58.0 Dark Down 57.7 181.6 Up 05:59:18 - 06:29:18 -2048
North Lake 06:14:15 -58.6 Dark Down 58.1 182.7 Up 05:59:15 - 06:29:15 -2080
Niwot 06:13:14 -69.3 Dark Down 57.6 212.2 Up 05:58:14 - 06:28:14 -2123
Paisley 06:14:13 -59.1 Dark Down 58.7 183.4 Up 05:59:13 - 06:29:13 -2127
Chiloquin 06:14:18 -58.4 Dark Down 58.8 180.9 Up 05:59:18 - 06:29:18 -2156
Lakeview 06:14:13 -59.5 Dark Down 59.2 183.8 Up 05:59:13 - 06:29:13 -2172
Klamath Falls 06:14:18 -58.6 Dark Down 59.2 181.1 Up 05:59:18 - 06:29:18 -2188
Tulelake 06:14:17 -58.9 Dark Down 59.4 181.7 Up 05:59:17 - 06:29:17 -2209
Cedarville 06:14:11 -60.0 Dark Down 59.8 184.2 Up 05:59:11 - 06:29:11 -2231
Fall River/Burney 06:14:16 -59.4 Dark Down 60.3 181.9 Up 05:59:16 - 06:29:16 -2294
Susanville 06:14:12 -60.2 Dark Down 60.9 183.4 Up 05:59:12 - 06:29:12 -2344
Gimple 06:14:13 -60.2 Dark Down 61.2 183.0 Up 05:59:13 - 06:29:13 -2373
Greenville 06:14:13 -60.1 Dark Down 61.2 182.8 Up 05:59:13 - 06:29:13 -2374
Quincy 06:14:13 -60.2 Dark Down 61.4 182.8 Up 05:59:13 - 06:29:13 -2394
Portola 06:14:11 -60.6 Dark Down 61.5 183.8 Up 05:59:11 - 06:29:11 -2399
Reno 06:14:08 -61.2 Dark Down 61.8 185.2 Up 05:59:08 - 06:29:08 -2415
Carson City 06:14:08 -61.3 Dark Down 62.1 185.3 Up 05:59:08 - 06:29:08 -2449
Yerington 06:14:05 -61.9 Dark Down 62.3 186.6 Up 05:59:05 - 06:29:05 -2459
Gardnerville 06:14:07 -61.5 Dark Down 62.4 185.4 Up 05:59:07 - 06:29:07 -2472
Hawthorne 06:14:03 -62.4 Dark Down 62.7 187.8 Up 05:59:03 - 06:29:03 -2496
Tonopah 06:13:57 -63.6 Dark Down 62.9 190.9 Up 05:58:57 - 06:28:57 -2519
Lee Vining 06:14:04 -62.3 Dark Down 63.3 186.9 Up 05:59:04 - 06:29:04 -2558
Bishop 06:14:01 -63.1 Dark Down 63.8 188.7 Up 05:59:01 - 06:29:01 -2605
Beatty 06:13:54 -64.5 Dark Down 64.0 192.4 Up 05:58:54 - 06:28:54 -2625
Indian Springs 06:13:49 -65.4 Dark Down 64.1 194.9 Up 05:58:49 - 06:28:49 -2640
Lone Pine 06:13:58 -63.7 Dark Down 64.5 189.6 Up 05:58:58 - 06:28:58 -2675
Henderson 06:13:46 -66.1 Dark Down 64.5 196.7 Up 05:58:46 - 06:28:46 -2681
Patrick 06:13:40 -67.2 Dark Down 64.8 199.5 Up 05:58:40 - 06:28:40 -2724
Searchlight/Boulder City 06:13:45 -66.4 Dark Down 65.0 197.2 Up 05:58:45 - 06:28:45 -2736
DCO 06:13:37 -67.8 Dark Down 64.9 201.3 Up 05:58:37 - 06:28:37 -2742
Kingman/Dolan Springs 06:13:41 -67.2 Dark Down 65.1 199.3 Up 05:58:41 - 06:28:41 -2749
Laughlin/Bullhead City 06:13:43 -66.8 Dark Down 65.2 198.1 Up 05:58:43 - 06:28:43 -2760
Mohave Valley 06:13:43 -66.9 Dark Down 65.5 198.3 Up 05:58:43 - 06:28:43 -2787
Lake Havasu City 06:13:41 -67.3 Dark Down 65.8 199.2 Up 05:58:41 - 06:28:41 -2822
CPSLO 06:14:08 -62.2 Dark Down 66.0 184.0 Up 05:59:08 - 06:29:08 -2843
Parker 06:13:40 -67.4 Dark Down 66.1 199.5 Up 05:58:40 - 06:28:40 -2856
Blythe 06:13:41 -67.4 Dark Down 66.7 199.2 Up 05:58:41 - 06:28:41 -2914
Wildwood 06:13:58 -64.2 Dark Down 67.0 189.3 Up 05:58:58 - 06:28:58 -2933
Idyllwild 06:13:51 -65.8 Dark Down 67.1 194.0 Up 05:58:51 - 06:28:51 -2938
Calipatria 06:13:45 -66.9 Dark Down 67.4 197.3 Up 05:58:45 - 06:28:45 -2979
Yuma 06:13:41 -67.7 Dark Down 67.6 199.8 Up 05:58:41 - 06:28:41 -3007

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 14WE510, (2019/01/05 06:14UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  8.35 154
Bellatrix      05:25:07.8 +06:20:58  1.6  7.41 159
6 Ori          04:54:46.9 +11:25:35  5.2  2.04 156
PPM 120517     05:01:47.6 +11:22:30  7.2  0.32 158
PPM 120544     05:03:32.7 +11:06:16  9.8  0.30 158
PPM 120543     05:03:30.8 +11:26:24 10.8  0.11 158
14WE510        05:03:06.5 +11:23:09 16.2       158
Positions are for J2000

Event circumstances last updated at 2018/03/01 18:12:12 UT

Marc W. Buie, Southwest Research Institute

RECON