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 12:58:01 UTC

J2000 position of star is 05:22:57.3 +09:34:43
Equinox of date position of star is 05:24:00.3 +09:35:44
Stellar brightness G=15.4, use SENSEUP=128
Star is 50 degrees from the moon. Moon is 65% illuminated.
TNO apparent brightness V=21.7

[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 146 seconds.
The 1-sigma cross-track error in the shadow position is 1561 km.
The sky-plane scale is 28879.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.6
Diameter=461.3 km assuming a 5% albedo -- 20.2 sec chord
Diameter=188.3 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VQ11, (2019/11/18 12:58UT)
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  51
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  51
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 5.0 sigma about the mid-time.
The median site spacing is 22.5 km RECON observability=1.0 and success probability=16.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 12:55:07 -22.1 Dark Up 31.8 244.3 Up 12:42:29 - 13:07:46 3335
Summerland 12:55:08 -22.4 Dark Up 32.1 244.0 Up 12:42:30 - 13:07:47 3331
Penticton 12:55:07 -22.2 Dark Up 32.1 244.4 Up 12:42:28 - 13:07:45 3302
Okanagan Falls 12:55:07 -22.2 Dark Up 32.2 244.5 Up 12:42:28 - 13:07:45 3284
Oliver 12:55:06 -22.2 Dark Up 32.3 244.6 Up 12:42:27 - 13:07:44 3269
Anarchist Mountain Observatory 12:55:06 -22.1 Dark Up 32.2 244.8 Up 12:42:27 - 13:07:44 3254
Oroville 12:55:05 -22.1 Dark Up 32.3 244.8 Up 12:42:27 - 13:07:44 3247
Tonasket 12:55:05 -22.1 Dark Up 32.4 244.9 Up 12:42:26 - 13:07:43 3225
Okanogan 12:55:04 -22.2 Dark Up 32.6 245.0 Up 12:42:26 - 13:07:43 3194
Brewster 12:55:04 -22.3 Dark Up 32.9 245.0 Up 12:42:26 - 13:07:43 3169
Manson/Chelan 12:55:05 -22.5 Dark Up 33.2 244.8 Up 12:42:27 - 13:07:44 3150
Entiat 12:55:05 -22.5 Dark Up 33.3 244.8 Up 12:42:26 - 13:07:43 3129
Wenatchee 12:55:04 -22.6 Dark Up 33.5 244.9 Up 12:42:26 - 13:07:43 3105
Ellensburg 12:55:04 -22.7 Dark Up 33.8 244.9 Up 12:42:25 - 13:07:42 3067
Yakima 12:55:03 -22.7 Dark Up 34.0 245.1 Up 12:42:25 - 13:07:42 3028
Toppenish/White Swan 12:55:02 -22.6 Dark Up 34.0 245.4 Up 12:42:24 - 13:07:41 3008
Pasco 12:54:59 -21.7 Dark Up 33.2 246.7 Up 12:42:20 - 13:07:37 2997
PNWRO 12:54:59 -21.5 Dark Up 33.2 247.0 Up 12:42:20 - 13:07:37 2973
George/Umatilla 12:54:59 -21.8 Dark Up 33.5 246.7 Up 12:42:20 - 13:07:37 2965
Goldendale 12:55:02 -22.8 Dark Up 34.5 245.4 Up 12:42:24 - 13:07:41 2955
The Dalles 12:55:03 -23.1 Dark Up 34.8 245.2 Up 12:42:24 - 13:07:41 2934
Maupin 12:55:01 -23.0 Dark Up 34.9 245.5 Up 12:42:22 - 13:07:39 2894
Madras/Culver 12:55:01 -22.9 Dark Up 35.1 245.9 Up 12:42:22 - 13:07:39 2841
Sisters 12:55:01 -23.2 Dark Up 35.6 245.7 Up 12:42:23 - 13:07:40 2810
Redmond 12:55:00 -22.9 Dark Up 35.3 246.0 Up 12:42:21 - 13:07:38 2807
Bend 12:55:00 -23.0 Dark Up 35.5 246.0 Up 12:42:22 - 13:07:39 2786
Oregon Observatory 12:55:00 -23.1 Dark Up 35.7 246.0 Up 12:42:22 - 13:07:39 2770
La Pine/Gilchrist 12:55:00 -23.1 Dark Up 35.8 246.1 Up 12:42:22 - 13:07:39 2750
North Lake 12:54:58 -22.7 Dark Up 35.6 246.9 Up 12:42:19 - 13:07:36 2707
Paisley 12:54:56 -22.3 Dark Up 35.5 247.6 Up 12:42:18 - 13:07:35 2653
Chiloquin 12:54:58 -23.3 Dark Up 36.5 246.5 Up 12:42:20 - 13:07:37 2641
Klamath Falls 12:54:58 -23.2 Dark Up 36.6 246.8 Up 12:42:20 - 13:07:37 2608
Lakeview 12:54:54 -22.2 Dark Up 35.6 248.1 Up 12:42:16 - 13:07:33 2603
Tulelake 12:54:57 -23.0 Dark Up 36.5 247.3 Up 12:42:18 - 13:07:35 2581
Cedarville 12:54:53 -22.0 Dark Up 35.7 248.7 Up 12:42:15 - 13:07:32 2538
Fall River/Burney 12:54:55 -22.8 Dark Up 36.8 248.0 Up 12:42:17 - 13:07:34 2491
Niwot 12:54:20 -10.7 NT Up 25.2 261.0 Low 12:41:42 - 13:06:59 2438
Susanville 12:54:52 -22.2 Dark Up 36.5 249.0 Up 12:42:14 - 13:07:31 2427
SwRI 12:54:20 -10.7 NT Up 25.3 261.0 Low 12:41:41 - 13:06:58 2427
Greenville 12:54:53 -22.4 Dark Up 36.8 249.0 Up 12:42:15 - 13:07:32 2400
Gimple 12:54:53 -22.3 Dark Up 36.7 249.1 Up 12:42:14 - 13:07:31 2400
Quincy 12:54:53 -22.4 Dark Up 36.8 249.1 Up 12:42:14 - 13:07:31 2380
Portola 12:54:51 -22.0 Dark Up 36.6 249.6 Up 12:42:12 - 13:07:29 2367
Reno 12:54:49 -21.5 Dark Up 36.2 250.3 Up 12:42:11 - 13:07:28 2340
Carson City 12:54:49 -21.4 Dark Up 36.3 250.6 Up 12:42:10 - 13:07:27 2304
Yerington 12:54:47 -20.9 Dark Up 35.9 251.2 Up 12:42:08 - 13:07:25 2284
Gardnerville 12:54:48 -21.3 Dark Up 36.3 250.8 Up 12:42:10 - 13:07:27 2279
Hawthorne 12:54:45 -20.4 Dark Up 35.6 252.0 Up 12:42:06 - 13:07:23 2237
Tonopah 12:54:41 -19.2 Dark Up 34.7 253.4 Up 12:42:02 - 13:07:19 2191
Lee Vining 12:54:45 -20.7 Dark Up 36.2 252.0 Up 12:42:07 - 13:07:24 2180
Bishop 12:54:42 -20.0 Dark Up 35.8 253.0 Up 12:42:04 - 13:07:21 2119
Beatty 12:54:37 -18.7 Dark Up 34.7 254.5 Up 12:41:59 - 13:07:16 2073
Indian Springs 12:54:34 -17.8 AT Up 34.0 255.5 Up 12:41:56 - 13:07:13 2041
Lone Pine 12:54:40 -19.7 Dark Up 35.8 253.7 Up 12:42:02 - 13:07:19 2041
Henderson 12:54:32 -17.1 AT Up 33.6 256.4 Up 12:41:54 - 13:07:11 1987
Searchlight/Boulder City 12:54:32 -17.0 AT Up 33.7 256.8 Up 12:41:53 - 13:07:10 1928
Patrick 12:54:29 -16.1 AT Up 32.8 257.5 Up 12:41:50 - 13:07:07 1925
CPSLO 12:54:45 -21.5 Dark Up 38.2 252.7 Up 12:42:07 - 13:07:24 1906
Kingman/Dolan Springs 12:54:29 -16.2 AT Up 33.0 257.5 Up 12:41:50 - 13:07:07 1901
Laughlin/Bullhead City 12:54:30 -16.7 AT Up 33.5 257.2 Up 12:41:52 - 13:07:09 1898
DCO 12:54:26 -15.5 AT Up 32.3 258.2 Up 12:41:48 - 13:07:05 1895
Mohave Valley 12:54:30 -16.6 AT Up 33.5 257.4 Up 12:41:51 - 13:07:08 1869
Lake Havasu City 12:54:28 -16.3 AT Up 33.4 257.8 Up 12:41:50 - 13:07:07 1828
Parker 12:54:28 -16.2 AT Up 33.5 258.0 Up 12:41:49 - 13:07:06 1792
Wildwood 12:54:38 -19.7 Dark Up 36.9 255.1 Up 12:41:59 - 13:07:16 1780
Idyllwild 12:54:33 -18.1 Dark Up 35.5 256.7 Up 12:41:55 - 13:07:12 1744
Blythe 12:54:28 -16.3 AT Up 33.8 258.2 Up 12:41:49 - 13:07:06 1736
Calipatria 12:54:30 -17.0 AT Up 34.7 257.9 Up 12:41:51 - 13:07:08 1682
Yuma 12:54:27 -16.2 AT Up 34.0 258.8 Up 12:41:48 - 13:07:05 1639

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 12:58UT)
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  51
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  51
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 2019/01/30 20:35:23 UT

Marc W. Buie, Southwest Research Institute

RECON