RECON: TNO occultation with 10VR11

Event between 10VR11 and star UC4-542-013357 with event index number of 223592

Geocentric closest approach at 2019/11/13 13:17:56 UTC

J2000 position of star is 05:16:35.9 +18:18:24
Equinox of date position of star is 05:17:38.9 +18:19:31
Stellar brightness R=15.1, use SENSEUP=128
Star is 17 degrees from the moon. Moon is 99% 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 22.1 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 362 seconds.
The 1-sigma cross-track error in the shadow position is 5775 km.
The sky-plane scale is 26028.9 km/arcsec.

The TNO has an absolute magnitude Hv=5.5
Diameter=485.3 km assuming a 5% albedo -- 22.0 sec chord
Diameter=198.1 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VR11, (2019/11/13 13:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.8 +16:32:52  0.8  9.87   8
Alnath         05:27:33.0 +28:37:21  1.6 10.54  22
PPM 120839     05:21:28.7 +19:35:49  6.5  1.54  18
PPM 120814     05:19:48.6 +18:14:14  8.5  0.49  18
PPM 120764     05:16:48.5 +18:12:36  8.9  0.25  17
10VR11         05:17:45.7 +18:19:38 15.1        18
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 2.5 sigma about the mid-time.
The median site spacing is 24.3 km RECON observability=0.7 and success probability=4.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 13:15:23 -17.7 AT Up 38.0 253.2 Up 13:00:23 - 13:30:23 7563
Tonasket 13:15:23 -17.7 AT Up 38.0 253.4 Up 13:00:23 - 13:30:23 7543
Okanogan 13:15:22 -17.8 AT Up 38.2 253.5 Up 13:00:22 - 13:30:22 7511
Brewster 13:15:21 -17.9 AT Up 38.4 253.5 Up 13:00:21 - 13:30:21 7484
Manson/Chelan 13:15:22 -18.1 Dark Up 38.7 253.3 Up 13:00:22 - 13:30:22 7459
Entiat 13:15:21 -18.1 Dark Up 38.9 253.4 Up 13:00:21 - 13:30:21 7439
Wenatchee 13:15:21 -18.2 Dark Up 39.0 253.5 Up 13:00:21 - 13:30:21 7414
Ellensburg 13:15:21 -18.3 Dark Up 39.3 253.7 Up 13:00:21 - 13:30:21 7374
Yakima 13:15:19 -18.2 Dark Up 39.4 254.0 Up 13:00:19 - 13:30:19 7337
Pasco 13:15:15 -17.2 AT Up 38.5 255.5 Up 13:00:15 - 13:30:15 7334
Toppenish/White Swan 13:15:18 -18.1 Dark Up 39.3 254.3 Up 13:00:18 - 13:30:18 7321
PNWRO 13:15:14 -17.0 AT Up 38.4 255.8 Up 13:00:14 - 13:30:14 7316
George/Umatilla 13:15:14 -17.3 AT Up 38.8 255.5 Up 13:00:14 - 13:30:14 7300
Goldendale 13:15:18 -18.3 Dark Up 39.8 254.3 Up 13:00:18 - 13:30:18 7264
The Dalles 13:15:18 -18.5 Dark Up 40.1 254.2 Up 13:00:18 - 13:30:18 7237
Maupin 13:15:16 -18.4 Dark Up 40.1 254.6 Up 13:00:16 - 13:30:16 7201
Madras/Culver 13:15:15 -18.4 Dark Up 40.3 255.0 Up 13:00:15 - 13:30:15 7150
Redmond 13:15:14 -18.4 Dark Up 40.4 255.3 Up 13:00:14 - 13:30:14 7117
Sisters 13:15:15 -18.6 Dark Up 40.7 254.9 Up 13:00:15 - 13:30:15 7111
Bend 13:15:14 -18.4 Dark Up 40.6 255.3 Up 13:00:14 - 13:30:14 7094
Niwot 13:14:31 -6.0 CT Up 29.3 269.9 Low 12:59:31 - 13:29:31 7083
Oregon Observatory 13:15:14 -18.5 Dark Up 40.7 255.4 Up 13:00:14 - 13:30:14 7076
La Pine/Gilchrist 13:15:14 -18.5 Dark Up 40.8 255.5 Up 13:00:14 - 13:30:14 7056
North Lake 13:15:11 -18.0 Dark Up 40.5 256.3 Up 13:00:11 - 13:30:11 7027
Paisley 13:15:08 -17.7 AT Up 40.4 257.1 Up 13:00:08 - 13:30:08 6983
Chiloquin 13:15:11 -18.6 Dark Up 41.3 256.1 Up 13:00:11 - 13:30:11 6946
Lakeview 13:15:07 -17.5 AT Up 40.3 257.7 Up 13:00:07 - 13:30:07 6939
Klamath Falls 13:15:10 -18.5 Dark Up 41.4 256.5 Up 13:00:10 - 13:30:10 6915
Tulelake 13:15:08 -18.3 Dark Up 41.2 256.9 Up 13:00:08 - 13:30:08 6896
Cedarville 13:15:04 -17.3 AT Up 40.4 258.3 Up 13:00:04 - 13:30:04 6881
Fall River/Burney 13:15:07 -18.1 Dark Up 41.4 257.8 Up 13:00:07 - 13:30:07 6811
Susanville 13:15:03 -17.5 AT Up 40.9 258.9 Up 13:00:03 - 13:30:03 6766
Gimple 13:15:03 -17.6 AT Up 41.2 259.0 Up 13:00:03 - 13:30:03 6736
Greenville 13:15:03 -17.6 AT Up 41.2 258.9 Up 13:00:03 - 13:30:03 6734
Quincy 13:15:02 -17.6 AT Up 41.3 259.1 Up 13:00:02 - 13:30:02 6715
Portola 13:15:01 -17.2 AT Up 40.9 259.5 Up 13:00:01 - 13:30:01 6712
Reno 13:14:58 -16.7 AT Up 40.5 260.3 Up 12:59:58 - 13:29:58 6700
Carson City 13:14:57 -16.6 AT Up 40.5 260.6 Up 12:59:57 - 13:29:57 6666
Yerington 13:14:56 -16.1 AT Up 40.1 261.2 Up 12:59:56 - 13:29:56 6661
Gardnerville 13:14:57 -16.5 AT Up 40.5 260.8 Up 12:59:57 - 13:29:57 6644
Hawthorne 13:14:54 -15.6 AT Up 39.7 262.0 Up 12:59:54 - 13:29:54 6628
Tonopah 13:14:49 -14.5 AT Up 38.7 263.3 Up 12:59:49 - 13:29:49 6613
Lee Vining 13:14:53 -15.9 AT Up 40.2 262.1 Up 12:59:53 - 13:29:53 6563
Bishop 13:14:50 -15.2 AT Up 39.7 263.1 Up 12:59:50 - 13:29:50 6520
Beatty 13:14:45 -13.9 AT Up 38.5 264.5 Up 12:59:45 - 13:29:45 6512
Indian Springs 13:14:42 -13.0 AT Up 37.7 265.5 Up 12:59:42 - 13:29:42 6504
Henderson 13:14:39 -12.3 AT Up 37.2 266.3 Up 12:59:39 - 13:29:39 6468
Lone Pine 13:14:47 -14.8 AT Up 39.6 263.9 Up 12:59:47 - 13:29:47 6454
Patrick 13:14:35 -11.3 CT Up 36.3 267.5 Up 12:59:35 - 13:29:35 6433
DCO 13:14:32 -10.7 CT Up 35.7 268.1 Up 12:59:32 - 13:29:32 6420
Searchlight/Boulder City 13:14:37 -12.1 AT Up 37.1 266.8 Up 12:59:37 - 13:29:37 6414
Kingman/Dolan Springs 13:14:35 -11.4 CT Up 36.5 267.5 Up 12:59:35 - 13:29:35 6407
Laughlin/Bullhead City 13:14:36 -11.8 CT Up 36.9 267.2 Up 12:59:36 - 13:29:36 6393
Mohave Valley 13:14:35 -11.7 CT Up 36.9 267.4 Up 12:59:35 - 13:29:35 6366
Lake Havasu City 13:14:34 -11.4 CT Up 36.7 267.9 Up 12:59:34 - 13:29:34 6333
Parker 13:14:33 -11.3 CT Up 36.7 268.2 Up 12:59:33 - 13:29:33 6299
CPSLO 13:14:51 -16.6 AT Up 41.8 263.3 Up 12:59:51 - 13:29:51 6269
Blythe 13:14:32 -11.4 CT Up 37.0 268.4 Up 12:59:32 - 13:29:32 6240
Idyllwild 13:14:38 -13.2 AT Up 38.7 267.1 Up 12:59:38 - 13:29:38 6202
Wildwood 13:14:43 -14.8 AT Up 40.2 265.6 Up 12:59:43 - 13:29:43 6194
Calipatria 13:14:33 -12.1 AT Up 37.8 268.2 Up 12:59:33 - 13:29:33 6169
Yuma 13:14:31 -11.3 CT Up 37.0 269.0 Up 12:59:31 - 13:29:31 6148

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, (2019/11/13 13:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  9.87   8
Alnath         05:26:17.5 +28:36:24  1.6 10.54  22
PPM 120839     05:20:18.3 +19:34:41  6.5  1.54  18
PPM 120814     05:18:38.9 +18:13:04  8.5  0.49  18
PPM 120764     05:15:38.8 +18:11:21  8.9  0.25  17
10VR11         05:16:35.9 +18:18:24 15.1        17
Positions are for J2000

Event circumstances last updated at 2017/12/07 17:05:33 UT

Marc W. Buie, Southwest Research Institute

RECON