RECON: TNO occultation with 10VQ11

Event between 10VQ11 and star GA0980:00748219 with event index number of 223589

Geocentric closest approach at 2019/11/18 12:18:40 UTC

J2000 position of star is 05:22:57.3 +09:34:43
Equinox of date position of star is 05:23:58.1 +09:35:42
Stellar brightness G=15.4, use SENSEUP=128
Star is 50 degrees from the moon. Moon is 65% illuminated.
TNO apparent brightness V=21.6

[RECON map]
TNO is 40.7 AU from the Sun and 39.8 AU from the Earth.
The TNO is moving 22.8 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 456 seconds.
The 1-sigma cross-track error in the shadow position is 2212 km.
The sky-plane scale is 28878.9 km/arcsec.

The TNO has an absolute magnitude Hv=5.5
Diameter=476.4 km assuming a 5% albedo -- 20.9 sec chord
Diameter=194.5 km assuming a 30% albedo -- 8.5 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VQ11, (2019/11/18 12:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:14.9 +07:24:33  0.4  8.26  43
Bellatrix      05:26:11.9 +06:21:58  1.6  3.27  50
18 Ori         05:17:10.5 +11:21:44  5.6  2.44  51
PPM 148802     05:21:58.8 +09:44:37  6.8  0.53  50
PPM 148850     05:23:45.1 +09:14:50  9.7  0.36  50
PPM 148830     05:23:11.5 +09:43:06 10.6  0.24  50
10VQ11         05:24:02.9 +09:35:46 15.4        50
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 2.0 sigma about the mid-time.
The median site spacing is 23.3 km RECON observability=1.0 and success probability=19.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 12:16:08 -28.5 Dark Up 37.6 234.7 Up 12:01:08 - 12:31:08 2103
Oroville 12:16:06 -28.5 Dark Up 37.8 235.2 Up 12:01:06 - 12:31:06 2048
Tonasket 12:16:06 -28.5 Dark Up 38.0 235.3 Up 12:01:06 - 12:31:06 2027
Okanogan 12:16:06 -28.6 Dark Up 38.3 235.4 Up 12:01:06 - 12:31:06 1996
Brewster 12:16:06 -28.8 Dark Up 38.5 235.4 Up 12:01:06 - 12:31:06 1972
Manson/Chelan 12:16:07 -29.0 Dark Up 38.8 235.1 Up 12:01:07 - 12:31:07 1953
Entiat 12:16:06 -29.1 Dark Up 39.0 235.2 Up 12:01:06 - 12:31:06 1933
Wenatchee 12:16:06 -29.2 Dark Up 39.2 235.2 Up 12:01:06 - 12:31:06 1910
Ellensburg 12:16:06 -29.3 Dark Up 39.6 235.3 Up 12:01:06 - 12:31:06 1872
Yakima 12:16:06 -29.4 Dark Up 39.8 235.6 Up 12:01:06 - 12:31:06 1834
Toppenish/White Swan 12:16:05 -29.3 Dark Up 39.8 235.9 Up 12:01:05 - 12:31:05 1813
Pasco 12:16:01 -28.4 Dark Up 39.2 237.3 Up 12:01:01 - 12:31:01 1797
PNWRO 12:16:00 -28.3 Dark Up 39.2 237.7 Up 12:01:00 - 12:31:00 1773
George/Umatilla 12:16:01 -28.6 Dark Up 39.5 237.3 Up 12:01:01 - 12:31:01 1766
Goldendale 12:16:05 -29.6 Dark Up 40.4 235.8 Up 12:01:05 - 12:31:05 1762
The Dalles 12:16:06 -29.9 Dark Up 40.7 235.6 Up 12:01:06 - 12:31:06 1742
Maupin 12:16:05 -29.8 Dark Up 40.9 236.0 Up 12:01:05 - 12:31:05 1702
Madras/Culver 12:16:04 -29.9 Dark Up 41.2 236.3 Up 12:01:04 - 12:31:04 1650
Sisters 12:16:05 -30.2 Dark Up 41.7 236.1 Up 12:01:05 - 12:31:05 1619
Redmond 12:16:04 -29.9 Dark Up 41.5 236.6 Up 12:01:04 - 12:31:04 1615
Bend 12:16:04 -30.0 Dark Up 41.7 236.6 Up 12:01:04 - 12:31:04 1595
Oregon Observatory 12:16:04 -30.1 Dark Up 41.8 236.6 Up 12:01:04 - 12:31:04 1579
La Pine/Gilchrist 12:16:04 -30.2 Dark Up 42.0 236.6 Up 12:01:04 - 12:31:04 1560
North Lake 12:16:02 -29.7 Dark Up 41.9 237.6 Up 12:01:02 - 12:31:02 1515
Paisley 12:16:00 -29.5 Dark Up 41.9 238.4 Up 12:01:00 - 12:31:00 1460
Chiloquin 12:16:03 -30.4 Dark Up 42.8 237.1 Up 12:01:03 - 12:31:03 1453
Klamath Falls 12:16:03 -30.4 Dark Up 42.9 237.5 Up 12:01:03 - 12:31:03 1419
Lakeview 12:15:59 -29.3 Dark Up 42.1 239.0 Up 12:00:59 - 12:30:59 1410
Tulelake 12:16:02 -30.2 Dark Up 42.9 238.0 Up 12:01:02 - 12:31:02 1391
Cedarville 12:15:57 -29.2 Dark Up 42.3 239.6 Up 12:00:57 - 12:30:57 1344
Fall River/Burney 12:16:00 -30.1 Dark Up 43.3 238.8 Up 12:01:00 - 12:31:00 1301
Susanville 12:15:57 -29.6 Dark Up 43.2 240.0 Up 12:00:57 - 12:30:57 1235
Greenville 12:15:58 -29.8 Dark Up 43.5 240.0 Up 12:00:58 - 12:30:58 1209
Gimple 12:15:58 -29.7 Dark Up 43.5 240.1 Up 12:00:58 - 12:30:58 1208
Niwot 12:15:18 -17.9 AT Up 32.5 253.8 Up 12:00:18 - 12:30:18 1189
Quincy 12:15:58 -29.8 Dark Up 43.6 240.1 Up 12:00:58 - 12:30:58 1189
Portola 12:15:56 -29.4 Dark Up 43.4 240.7 Up 12:00:56 - 12:30:56 1174
Reno 12:15:54 -28.9 Dark Up 43.0 241.6 Up 12:00:54 - 12:30:54 1145
Carson City 12:15:54 -28.9 Dark Up 43.2 241.9 Up 12:00:54 - 12:30:54 1109
Yerington 12:15:52 -28.4 Dark Up 42.9 242.7 Up 12:00:52 - 12:30:52 1087
Gardnerville 12:15:53 -28.8 Dark Up 43.3 242.1 Up 12:00:53 - 12:30:53 1084
Hawthorne 12:15:49 -28.0 Dark Up 42.7 243.5 Up 12:00:49 - 12:30:49 1038
Tonopah 12:15:45 -26.8 Dark Up 41.9 245.2 Up 12:00:45 - 12:30:45 987
Lee Vining 12:15:50 -28.3 Dark Up 43.3 243.6 Up 12:00:50 - 12:30:50 983
Bishop 12:15:48 -27.7 Dark Up 43.1 244.7 Up 12:00:48 - 12:30:48 919
Beatty 12:15:42 -26.4 Dark Up 42.1 246.6 Up 12:00:42 - 12:30:42 867
Lone Pine 12:15:46 -27.4 Dark Up 43.1 245.7 Up 12:00:46 - 12:30:46 840
Indian Springs 12:15:39 -25.5 Dark Up 41.4 247.8 Up 12:00:39 - 12:30:39 831
Henderson 12:15:36 -24.9 Dark Up 41.1 248.8 Up 12:00:36 - 12:30:36 775
CPSLO 12:15:52 -29.4 Dark Up 45.6 244.4 Up 12:00:52 - 12:30:52 716
Searchlight/Boulder City 12:15:35 -24.8 Dark Up 41.3 249.3 Up 12:00:35 - 12:30:35 715
Patrick 12:15:32 -24.0 Dark Up 40.5 250.2 Up 12:00:32 - 12:30:32 708
Kingman/Dolan Springs 12:15:33 -24.1 Dark Up 40.7 250.2 Up 12:00:33 - 12:30:33 685
Laughlin/Bullhead City 12:15:34 -24.5 Dark Up 41.1 249.8 Up 12:00:34 - 12:30:34 684
DCO 12:15:30 -23.3 Dark Up 40.0 251.0 Up 12:00:30 - 12:30:30 675
Mohave Valley 12:15:34 -24.5 Dark Up 41.2 250.1 Up 12:00:34 - 12:30:34 655
Lake Havasu City 12:15:33 -24.2 Dark Up 41.1 250.6 Up 12:00:33 - 12:30:33 613
Wildwood 12:15:45 -27.6 Dark Up 44.5 247.4 Up 12:00:45 - 12:30:45 582
Parker 12:15:32 -24.1 Dark Up 41.2 250.9 Up 12:00:32 - 12:30:32 576
Idyllwild 12:15:39 -26.1 Dark Up 43.2 249.3 Up 12:00:39 - 12:30:39 539
Blythe 12:15:33 -24.3 Dark Up 41.6 251.1 Up 12:00:33 - 12:30:33 522
Calipatria 12:15:35 -25.0 Dark Up 42.5 250.8 Up 12:00:35 - 12:30:35 472
Yuma 12:15:32 -24.2 Dark Up 42.0 251.9 Up 12:00:32 - 12:30:32 425

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 10VQ11, (2019/11/18 12:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.26  43
Bellatrix      05:25:07.8 +06:20:58  1.6  3.27  50
18 Ori         05:16:04.1 +11:20:29  5.6  2.44  51
PPM 148802     05:20:53.2 +09:43:30  6.8  0.53  50
PPM 148850     05:22:39.7 +09:13:46  9.7  0.36  50
PPM 148830     05:22:05.9 +09:42:01 10.6  0.24  50
10VQ11         05:22:57.3 +09:34:43 15.4        50
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:20:46 UT

Marc W. Buie, Southwest Research Institute

RECON