RECON: TNO occultation with 14WD510

Event between 14WD510 and star UC4-610-041334 with event index number of 249456

Geocentric closest approach at 2019/11/27 11:54:08 UTC

J2000 position of star is 07:38:30.4 +31:48:48
Equinox of date position of star is 07:39:42.1 +31:46:10
Stellar brightness R=15.4, use SENSEUP=128
Star is 143 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 38.8 AU from the Sun and 38.2 AU from the Earth.
The TNO is moving 16.7 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 106 seconds.
The 1-sigma cross-track error in the shadow position is 1454 km.
The sky-plane scale is 27680.1 km/arcsec.

The TNO has an absolute magnitude Hv=6.0
Diameter=382.0 km assuming a 5% albedo -- 22.6 sec chord
Diameter=155.9 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14WD510, (2019/11/27 11:54UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:31.9 +27:58:36  1.1  4.06 142
PPM 073009     07:41:10.3 +31:57:45  6.4  0.35 143
PPM 072982     07:38:47.2 +31:34:03  7.7  0.29 143
PPM 072994     07:39:37.4 +31:58:40  9.3  0.21 143
14WD510        07:39:46.6 +31:46:00 15.4       143
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 15.9 km RECON observability=1.0 and success probability=1.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 11:54:23 -33.7 Dark Down 70.2 207.8 Up 11:45:01 - 12:03:44 6000
Penticton 11:54:23 -33.8 Dark Down 70.6 207.9 Up 11:45:01 - 12:03:44 5962
Okanagan Falls 11:54:21 -33.9 Dark Down 70.8 208.1 Up 11:45:00 - 12:03:43 5945
Southern Okanagan 11:54:19 -33.9 Dark Down 70.9 208.3 Up 11:44:58 - 12:03:41 5932
Oroville 11:54:19 -33.8 Dark Down 71.1 208.9 Up 11:44:58 - 12:03:41 5915
Tonasket 11:54:19 -33.9 Dark Down 71.3 209.3 Up 11:44:57 - 12:03:40 5895
Okanogan 11:54:16 -34.0 Dark Down 71.7 209.4 Up 11:44:55 - 12:03:38 5860
Niwot 11:52:51 -23.7 Dark Down 68.6 255.0 Up 11:43:29 - 12:02:12 5841
Brewster 11:54:17 -34.2 Dark Down 72.0 209.3 Up 11:44:56 - 12:03:39 5828
Manson/Chelan 11:54:18 -34.4 Dark Down 72.3 208.7 Up 11:44:56 - 12:03:39 5795
Entiat 11:54:18 -34.5 Dark Down 72.5 208.8 Up 11:44:56 - 12:03:39 5773
Wenatchee 11:54:17 -34.6 Dark Down 72.7 208.9 Up 11:44:56 - 12:03:39 5747
Ellensburg 11:54:16 -34.8 Dark Down 73.2 209.0 Up 11:44:54 - 12:03:37 5701
Pasco 11:54:08 -33.9 Dark Down 73.3 214.0 Up 11:44:46 - 12:03:29 5695
PNWRO 11:54:04 -33.8 Dark Down 73.4 215.0 Up 11:44:42 - 12:03:25 5683
Yakima 11:54:14 -34.8 Dark Down 73.5 209.6 Up 11:44:53 - 12:03:36 5665
George/Umatilla 11:54:08 -34.1 Dark Down 73.7 214.0 Up 11:44:47 - 12:03:30 5656
Toppenish/White Swan 11:54:12 -34.7 Dark Down 73.7 210.4 Up 11:44:50 - 12:03:33 5653
Goldendale 11:54:13 -35.1 Dark Down 74.3 210.2 Up 11:44:51 - 12:03:34 5586
The Dalles 11:54:12 -35.4 Dark Down 74.6 209.5 Up 11:44:51 - 12:03:34 5551
Maupin 11:54:12 -35.3 Dark Down 74.9 210.6 Up 11:44:50 - 12:03:33 5518
Madras/Culver 11:54:10 -35.4 Dark Down 75.4 211.5 Up 11:44:48 - 12:03:31 5467
Redmond 11:54:07 -35.5 Dark Down 75.7 212.0 Up 11:44:46 - 12:03:29 5432
Sisters 11:54:10 -35.8 Dark Down 75.9 210.8 Up 11:44:48 - 12:03:31 5418
Bend 11:54:07 -35.6 Dark Down 76.0 212.1 Up 11:44:46 - 12:03:29 5407
Oregon Observatory 11:54:08 -35.7 Dark Down 76.2 212.0 Up 11:44:47 - 12:03:30 5386
La Pine/Gilchrist 11:54:08 -35.8 Dark Down 76.4 212.3 Up 11:44:47 - 12:03:30 5365
North Lake 11:54:04 -35.4 Dark Down 76.5 215.2 Up 11:44:43 - 12:03:26 5351
Paisley 11:54:01 -35.2 Dark Down 76.8 217.6 Up 11:44:39 - 12:03:22 5317
Lakeview 11:53:57 -35.0 Dark Down 77.1 219.5 Up 11:44:35 - 12:03:18 5280
Chiloquin 11:54:06 -36.1 Dark Down 77.5 213.7 Up 11:44:44 - 12:03:27 5248
Cedarville 11:53:54 -34.9 Dark Down 77.5 222.0 Up 11:44:32 - 12:03:15 5228
Klamath Falls 11:54:03 -36.1 Dark Down 77.7 214.8 Up 11:44:42 - 12:03:25 5220
Tulelake 11:54:01 -35.9 Dark Down 77.8 216.5 Up 11:44:39 - 12:03:22 5209
Fall River/Burney 11:53:57 -35.9 Dark Down 78.5 219.4 Up 11:44:35 - 12:03:18 5129
Susanville 11:53:52 -35.3 Dark Down 78.6 224.0 Up 11:44:31 - 12:03:14 5105
Gimple 11:53:52 -35.5 Dark Down 78.9 224.2 Up 11:44:31 - 12:03:14 5070
Greenville 11:53:53 -35.6 Dark Down 78.9 223.9 Up 11:44:31 - 12:03:14 5066
Reno 11:53:46 -34.7 Dark Down 78.7 229.8 Up 11:44:24 - 12:03:07 5064
Portola 11:53:49 -35.2 Dark Down 78.9 226.7 Up 11:44:28 - 12:03:11 5058
Tonopah 11:53:28 -32.7 Dark Down 77.9 242.7 Up 11:44:07 - 12:02:50 5053
Quincy 11:53:52 -35.6 Dark Down 79.1 224.7 Up 11:44:30 - 12:03:13 5048
Yerington 11:53:39 -34.2 Dark Down 78.7 233.9 Up 11:44:18 - 12:03:01 5044
Carson City 11:53:43 -34.7 Dark Down 79.0 231.2 Up 11:44:21 - 12:03:04 5032
Hawthorne 11:53:35 -33.8 Dark Down 78.6 237.2 Up 11:44:14 - 12:02:57 5027
Gardnerville 11:53:43 -34.7 Dark Down 79.1 232.3 Up 11:44:21 - 12:03:04 5012
Indian Springs 11:53:16 -31.5 Dark Down 77.4 251.9 Up 11:43:55 - 12:02:38 4996
DCO 11:53:00 -29.4 Dark Down 75.8 261.3 Up 11:43:38 - 12:02:21 4996
Patrick 11:53:05 -29.9 Dark Down 76.3 259.3 Up 11:43:43 - 12:02:26 4986
Henderson 11:53:12 -30.9 Dark Down 77.0 255.3 Up 11:43:51 - 12:02:34 4984
Beatty 11:53:23 -32.3 Dark Down 78.1 248.6 Up 11:44:02 - 12:02:45 4972
Kingman/Dolan Springs 11:53:04 -30.1 Dark Down 76.5 260.0 Up 11:43:43 - 12:02:26 4956
Lee Vining 11:53:35 -34.2 Dark Down 79.3 238.3 Up 11:44:14 - 12:02:57 4952
Searchlight/Boulder City 11:53:09 -30.8 Dark Down 77.1 257.8 Up 11:43:47 - 12:02:30 4935
Bishop 11:53:32 -33.6 Dark Down 79.1 242.9 Up 11:44:10 - 12:02:53 4933
Laughlin/Bullhead City 11:53:06 -30.5 Dark Down 76.9 259.5 Up 11:43:45 - 12:02:28 4927
Mohave Valley 11:53:04 -30.5 Dark Down 77.0 260.6 Up 11:43:43 - 12:02:26 4903
Lone Pine 11:53:28 -33.3 Dark Down 79.1 247.3 Up 11:44:07 - 12:02:50 4880
Lake Havasu City 11:53:03 -30.2 Dark Down 76.8 262.6 Up 11:43:42 - 12:02:25 4880
Parker 11:53:02 -30.2 Dark Down 76.8 264.1 Up 11:43:40 - 12:02:23 4850
Blythe 11:53:01 -30.4 Dark Down 77.1 266.1 Up 11:43:39 - 12:02:22 4787
Yuma 11:52:58 -30.3 Dark Down 77.2 270.1 Up 11:43:36 - 12:02:19 4702
Calipatria 11:53:02 -31.1 Dark Down 77.9 267.6 Up 11:43:41 - 12:02:24 4693
Idyllwild 11:53:10 -32.1 Dark Down 78.9 263.7 Up 11:43:49 - 12:02:32 4687
CPSLO 11:53:33 -35.4 Dark Down 81.6 248.1 Up 11:44:12 - 12:02:55 4633
Wildwood 11:53:21 -33.7 Dark Down 80.3 259.5 Up 11:43:59 - 12:02:42 4623

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 14WD510, (2019/11/27 11:54UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1  4.06 142
PPM 073009     07:39:54.0 +32:00:34  6.4  0.35 143
PPM 072982     07:37:31.1 +31:36:49  7.7  0.29 143
PPM 072994     07:38:21.1 +32:01:27  9.3  0.21 143
14WD510        07:38:30.4 +31:48:48 15.4       143
Positions are for J2000

Event circumstances last updated at 2018/09/19 17:59:22 UT

Marc W. Buie, Southwest Research Institute

RECON