RECON: TNO occultation with 10VR11

Event between 10VR11 and star GA1060:00764801 with event index number of 169932

Geocentric closest approach at 2018/12/25 09:48:04 UTC

J2000 position of star is 05:06:34.6 +17:18:37
Equinox of date position of star is 05:07:38.7 +17:20:02
Stellar brightness G=16.4, use SENSEUP=128
Star is 54 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=21.2

[RECON map]
TNO is 36.8 AU from the Sun and 35.9 AU from the Earth.
The TNO is moving 24.9 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is 2451 km.
The sky-plane scale is 26041.5 km/arcsec.

The TNO has an absolute magnitude Hv=5.5
Diameter=472.1 km assuming a 5% albedo -- 19.0 sec chord
Diameter=192.7 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VR11, (2018/12/25 09:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.7 +16:32:45  0.8  7.38  61
Bellatrix      05:26:09.0 +06:21:55  1.6 11.86  52
104 Tau        05:08:34.4 +18:40:09  5.6  1.35  53
PPM 120631     05:09:04.0 +17:00:12  8.5  0.47  53
PPM 120588     05:06:53.5 +17:24:18  8.6  0.20  54
10VR11         05:07:40.7 +17:20:04 16.4        53
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 21.7 km RECON observability=1.0 and success probability=13.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:46:16 -56.4 Dark Up 42.1 243.8 Up 09:35:26 - 09:57:07 -1704
Oroville 09:46:14 -56.7 Dark Up 42.3 244.4 Up 09:35:24 - 09:57:05 -1752
Tonasket 09:46:13 -56.9 Dark Up 42.4 244.6 Up 09:35:23 - 09:57:04 -1772
Okanogan 09:46:13 -57.2 Dark Up 42.6 244.7 Up 09:35:22 - 09:57:03 -1804
Brewster 09:46:13 -57.4 Dark Up 42.9 244.8 Up 09:35:22 - 09:57:03 -1830
Manson/Chelan 09:46:13 -57.8 Dark Up 43.2 244.6 Up 09:35:22 - 09:57:03 -1855
Entiat 09:46:13 -57.9 Dark Up 43.3 244.7 Up 09:35:22 - 09:57:03 -1875
Wenatchee 09:46:12 -58.1 Dark Up 43.5 244.8 Up 09:35:22 - 09:57:03 -1899
Ellensburg 09:46:12 -58.5 Dark Up 43.8 244.9 Up 09:35:21 - 09:57:02 -1939
Yakima 09:46:11 -58.8 Dark Up 44.0 245.3 Up 09:35:20 - 09:57:01 -1975
Pasco 09:46:07 -58.2 Dark Up 43.2 247.0 Up 09:35:16 - 09:56:57 -1978
Toppenish/White Swan 09:46:10 -58.8 Dark Up 44.0 245.6 Up 09:35:19 - 09:57:00 -1991
PNWRO 09:46:06 -58.2 Dark Up 43.2 247.4 Up 09:35:15 - 09:56:56 -1996
George/Umatilla 09:46:06 -58.6 Dark Up 43.5 247.0 Up 09:35:16 - 09:56:57 -2012
Goldendale 09:46:09 -59.4 Dark Up 44.5 245.7 Up 09:35:19 - 09:57:00 -2048
The Dalles 09:46:10 -59.8 Dark Up 44.8 245.5 Up 09:35:19 - 09:57:00 -2075
Maupin 09:46:09 -60.0 Dark Up 44.9 246.0 Up 09:35:18 - 09:56:59 -2110
Madras/Culver 09:46:08 -60.3 Dark Up 45.1 246.5 Up 09:35:17 - 09:56:58 -2160
Redmond 09:46:07 -60.6 Dark Up 45.3 246.7 Up 09:35:16 - 09:56:57 -2193
Sisters 09:46:08 -60.8 Dark Up 45.6 246.3 Up 09:35:17 - 09:56:58 -2199
Bend 09:46:07 -60.8 Dark Up 45.5 246.8 Up 09:35:16 - 09:56:57 -2215
Niwot 09:45:24 -51.6 Dark Up 35.0 263.4 Up 09:34:33 - 09:56:14 -2230
Oregon Observatory 09:46:07 -61.0 Dark Up 45.7 246.8 Up 09:35:16 - 09:56:57 -2234
La Pine/Gilchrist 09:46:06 -61.1 Dark Up 45.8 247.0 Up 09:35:16 - 09:56:57 -2254
North Lake 09:46:04 -61.0 Dark Up 45.5 247.9 Up 09:35:14 - 09:56:55 -2282
Paisley 09:46:02 -61.1 Dark Up 45.5 248.8 Up 09:35:11 - 09:56:52 -2326
Chiloquin 09:46:05 -62.0 Dark Up 46.5 247.7 Up 09:35:14 - 09:56:55 -2362
Lakeview 09:46:01 -61.3 Dark Up 45.6 249.5 Up 09:35:10 - 09:56:51 -2369
Klamath Falls 09:46:04 -62.1 Dark Up 46.5 248.1 Up 09:35:13 - 09:56:54 -2393
Tulelake 09:46:02 -62.1 Dark Up 46.4 248.6 Up 09:35:12 - 09:56:53 -2412
Cedarville 09:45:58 -61.5 Dark Up 45.7 250.3 Up 09:35:08 - 09:56:49 -2426
Fall River/Burney 09:46:01 -62.6 Dark Up 46.7 249.6 Up 09:35:10 - 09:56:51 -2495
Susanville 09:45:57 -62.4 Dark Up 46.4 250.9 Up 09:35:07 - 09:56:48 -2540
Gimple 09:45:57 -62.7 Dark Up 46.6 251.0 Up 09:35:07 - 09:56:48 -2570
Greenville 09:45:58 -62.7 Dark Up 46.7 250.9 Up 09:35:07 - 09:56:48 -2572
Quincy 09:45:57 -62.8 Dark Up 46.8 251.1 Up 09:35:06 - 09:56:47 -2591
Portola 09:45:55 -62.6 Dark Up 46.5 251.7 Up 09:35:05 - 09:56:46 -2593
Reno 09:45:53 -62.3 Dark Up 46.1 252.5 Up 09:35:03 - 09:56:44 -2605
Carson City 09:45:53 -62.4 Dark Up 46.2 252.9 Up 09:35:02 - 09:56:43 -2639
Yerington 09:45:51 -62.1 Dark Up 45.8 253.6 Up 09:35:00 - 09:56:41 -2644
Gardnerville 09:45:52 -62.5 Dark Up 46.2 253.1 Up 09:35:01 - 09:56:42 -2661
Hawthorne 09:45:48 -61.9 Dark Up 45.5 254.5 Up 09:34:58 - 09:56:39 -2677
Tonopah 09:45:44 -61.1 Dark Up 44.5 256.1 Up 09:34:53 - 09:56:34 -2692
Lee Vining 09:45:48 -62.5 Dark Up 46.0 254.6 Up 09:34:58 - 09:56:39 -2742
Bishop 09:45:45 -62.2 Dark Up 45.6 255.8 Up 09:34:55 - 09:56:36 -2784
Beatty 09:45:40 -61.2 Dark Up 44.5 257.5 Up 09:34:50 - 09:56:31 -2793
Indian Springs 09:45:37 -60.5 Dark Up 43.7 258.7 Up 09:34:47 - 09:56:28 -2800
Henderson 09:45:34 -60.1 Dark Up 43.3 259.7 Up 09:34:44 - 09:56:25 -2836
Lone Pine 09:45:43 -62.3 Dark Up 45.5 256.8 Up 09:34:53 - 09:56:34 -2850
Patrick 09:45:31 -59.4 Dark Up 42.5 261.0 Up 09:34:40 - 09:56:21 -2871
DCO 09:45:28 -58.9 Dark Up 42.0 261.8 Up 09:34:38 - 09:56:19 -2884
Searchlight/Boulder City 09:45:33 -60.2 Dark Up 43.3 260.2 Up 09:34:42 - 09:56:23 -2890
Kingman/Dolan Springs 09:45:30 -59.6 Dark Up 42.7 261.1 Up 09:34:40 - 09:56:21 -2897
Laughlin/Bullhead City 09:45:32 -60.0 Dark Up 43.1 260.8 Up 09:34:41 - 09:56:22 -2911
Mohave Valley 09:45:31 -60.1 Dark Up 43.1 261.0 Up 09:34:41 - 09:56:22 -2937
Lake Havasu City 09:45:30 -60.0 Dark Up 43.0 261.5 Up 09:34:39 - 09:56:20 -2970
Parker 09:45:29 -60.0 Dark Up 43.0 261.9 Up 09:34:39 - 09:56:20 -3004
CPSLO 09:45:47 -64.7 Dark Up 47.9 256.1 Up 09:34:57 - 09:56:38 -3033
Blythe 09:45:29 -60.4 Dark Up 43.3 262.2 Up 09:34:38 - 09:56:19 -3063
Idyllwild 09:45:34 -62.1 Dark Up 45.1 260.6 Up 09:34:43 - 09:56:24 -3100
Wildwood 09:45:39 -63.5 Dark Up 46.5 259.0 Up 09:34:49 - 09:56:30 -3107
Calipatria 09:45:30 -61.3 Dark Up 44.2 262.0 Up 09:34:39 - 09:56:20 -3133
Yuma 09:45:27 -60.6 Dark Up 43.5 263.0 Up 09:34:36 - 09:56:17 -3155

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 10VR11, (2018/12/25 09:48UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  7.38  61
Bellatrix      05:25:07.8 +06:20:58  1.6 11.86  52
104 Tau        05:07:27.7 +18:38:43  5.6  1.35  53
PPM 120631     05:07:58.1 +16:58:47  8.5  0.47  53
PPM 120588     05:05:47.4 +17:22:49  8.6  0.20  54
10VR11         05:06:34.6 +17:18:37 16.4        54
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:41:11 UT

Marc W. Buie, Southwest Research Institute

RECON