RECON: TNO occultation with 11HM102

Event between 11HM102 and star GA0600:48024275 with event index number of 1042942

Geocentric closest approach at 2019/07/12 07:45:49 UTC

J2000 position of star is 19:52:04.5 -28:46:41
Equinox of date position of star is 19:53:16.8 -28:43:37
Stellar brightness G=15.9, use SENSEUP=128
Star is 60 degrees from the moon. Moon is 80% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 28.3 AU from the Sun and 27.3 AU from the Earth.
The TNO is moving 24.3 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is 1238 km.
The sky-plane scale is 19772.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 5.5 sec chord
Diameter=54.3 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 11HM102, (2019/07/12 07:46UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:43.5 -29:31:06  1.2 40.23  99
38Zet Sgr      19:03:51.1 -29:51:02  2.7 10.83  49
PPM 270317     19:50:24.6 -28:44:22  6.0  0.63  59
PPM 270368     19:53:10.8 -28:26:49  8.0  0.28  60
PPM 270349     19:52:26.3 -28:35:55  9.6  0.23  59
11HM102        19:53:17.1 -28:43:36 15.9        60
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 10.7 km RECON observability=0.5 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:45:00 -18.0 Dark Up 10.7 170.0 Really Low 07:37:40 - 07:52:20 4556
Summerland 07:45:02 -18.3 Dark Up 11.0 169.7 Really Low 07:37:42 - 07:52:22 4555
Penticton 07:45:01 -18.4 Dark Up 11.0 169.8 Really Low 07:37:41 - 07:52:21 4552
Okanagan Falls 07:45:02 -18.5 Dark Up 11.2 169.8 Really Low 07:37:42 - 07:52:22 4549
Oliver 07:45:02 -18.7 Dark Up 11.4 169.8 Really Low 07:37:42 - 07:52:22 4546
Anarchist Mountain Observatory 07:45:02 -18.9 Dark Up 11.6 170.0 Really Low 07:37:42 - 07:52:22 4540
Oroville 07:45:02 -19.0 Dark Up 11.6 169.9 Really Low 07:37:42 - 07:52:22 4540
Tonasket 07:45:02 -19.2 Dark Up 11.9 169.9 Really Low 07:37:42 - 07:52:22 4536
Okanogan 07:45:04 -19.5 Dark Up 12.2 169.8 Really Low 07:37:44 - 07:52:24 4532
Manson/Chelan 07:45:05 -20.0 Dark Up 12.6 169.3 Really Low 07:37:45 - 07:52:25 4531
Brewster 07:45:04 -19.8 Dark Up 12.4 169.6 Really Low 07:37:44 - 07:52:24 4529
Entiat 07:45:05 -20.2 Dark Up 12.8 169.2 Really Low 07:37:45 - 07:52:25 4528
Wenatchee 07:45:05 -20.4 Dark Up 13.0 169.1 Really Low 07:37:45 - 07:52:25 4524
Ellensburg 07:45:08 -20.8 Dark Up 13.4 168.9 Really Low 07:37:48 - 07:52:28 4519
Yakima 07:45:08 -21.2 Dark Up 13.8 168.8 Really Low 07:37:48 - 07:52:28 4510
Toppenish/White Swan 07:45:08 -21.5 Dark Up 14.0 169.0 Really Low 07:37:48 - 07:52:28 4503
The Dalles 07:45:10 -22.2 Dark Up 14.7 168.2 Really Low 07:37:50 - 07:52:30 4497
Goldendale 07:45:09 -22.0 Dark Up 14.5 168.6 Really Low 07:37:49 - 07:52:29 4497
Maupin 07:45:11 -22.6 Dark Up 15.1 168.3 Really Low 07:37:51 - 07:52:31 4485
Pasco 07:45:04 -21.6 Dark Up 14.3 170.1 Really Low 07:37:44 - 07:52:24 4479
George/Umatilla 07:45:05 -22.0 Dark Up 14.6 169.9 Really Low 07:37:45 - 07:52:25 4475
Madras/Culver 07:45:11 -23.1 Dark Up 15.6 168.3 Really Low 07:37:51 - 07:52:31 4472
Sisters 07:45:13 -23.4 Dark Up 15.9 167.8 Really Low 07:37:53 - 07:52:33 4471
PNWRO 07:45:03 -21.9 Dark Up 14.6 170.3 Really Low 07:37:43 - 07:52:23 4470
Redmond 07:45:12 -23.5 Dark Up 16.0 168.2 Really Low 07:37:52 - 07:52:32 4464
Bend 07:45:13 -23.7 Dark Up 16.2 168.1 Really Low 07:37:53 - 07:52:33 4460
Oregon Observatory 07:45:13 -23.9 Dark Up 16.3 167.9 Really Low 07:37:53 - 07:52:33 4458
La Pine/Gilchrist 07:45:14 -24.1 Dark Up 16.5 167.9 Really Low 07:37:54 - 07:52:34 4453
North Lake 07:45:11 -24.5 Dark Up 17.0 168.4 Really Low 07:37:51 - 07:52:31 4431
Chiloquin 07:45:17 -25.1 Dark Up 17.6 167.5 Really Low 07:37:57 - 07:52:37 4427
Klamath Falls 07:45:16 -25.5 Dark Up 17.9 167.5 Really Low 07:37:56 - 07:52:36 4416
Paisley 07:45:12 -25.1 Dark Up 17.6 168.7 Really Low 07:37:52 - 07:52:32 4410
Tulelake 07:45:16 -25.8 Dark Up 18.2 167.8 Really Low 07:37:56 - 07:52:36 4403
Lakeview 07:45:11 -25.6 Dark Up 18.2 168.8 Really Low 07:37:51 - 07:52:31 4391
Fall River/Burney 07:45:17 -26.7 Dark Up 19.1 167.8 Really Low 07:37:57 - 07:52:37 4373
Cedarville 07:45:11 -26.3 Dark Up 18.8 168.9 Really Low 07:37:51 - 07:52:31 4368
Susanville 07:45:15 -27.4 Dark Up 19.8 168.4 Really Low 07:37:55 - 07:52:35 4340
Greenville 07:45:16 -27.6 Dark Up 20.1 168.1 Low 07:37:56 - 07:52:36 4336
Gimple 07:45:16 -27.6 Dark Up 20.1 168.2 Low 07:37:56 - 07:52:36 4334
Quincy 07:45:17 -27.8 Dark Up 20.3 168.1 Low 07:37:57 - 07:52:37 4329
Portola 07:45:15 -28.0 Dark Up 20.5 168.5 Low 07:37:55 - 07:52:35 4316
Reno 07:45:13 -28.3 Dark Up 20.8 169.1 Low 07:37:53 - 07:52:33 4295
Carson City 07:45:12 -28.7 Dark Up 21.2 169.1 Low 07:37:52 - 07:52:32 4282
Gardnerville 07:45:14 -28.9 Dark Up 21.4 169.1 Low 07:37:54 - 07:52:34 4272
Yerington 07:45:11 -28.9 Dark Up 21.5 169.7 Low 07:37:51 - 07:52:31 4263
Hawthorne 07:45:11 -29.4 Dark Up 22.0 170.1 Low 07:37:51 - 07:52:31 4236
Lee Vining 07:45:12 -29.9 Dark Up 22.5 169.7 Low 07:37:52 - 07:52:32 4224
Tonopah 07:45:06 -29.9 Dark Up 22.6 171.4 Low 07:37:46 - 07:52:26 4190
Bishop 07:45:10 -30.6 Dark Up 23.2 170.3 Low 07:37:50 - 07:52:30 4187
Lone Pine 07:45:10 -31.3 Dark Up 24.0 170.5 Low 07:37:50 - 07:52:30 4150
CPSLO 07:45:21 -32.4 Dark Up 24.9 168.0 Low 07:38:01 - 07:52:41 4146
Beatty 07:45:05 -31.1 Dark Up 23.8 171.8 Low 07:37:45 - 07:52:25 4135
Indian Springs 07:45:02 -31.4 Dark Up 24.3 172.8 Low 07:37:42 - 07:52:22 4098
Henderson 07:45:00 -32.0 Dark Up 24.9 173.4 Low 07:37:40 - 07:52:20 4060
Wildwood 07:45:15 -33.8 Dark Up 26.4 169.8 Low 07:37:55 - 07:52:35 4053
Searchlight/Boulder City 07:45:00 -32.5 Dark Up 25.4 173.4 Low 07:37:40 - 07:52:20 4034
Laughlin/Bullhead City 07:44:59 -32.8 Dark Up 25.8 173.8 Low 07:37:39 - 07:52:19 4013
Patrick 07:44:56 -32.6 Dark Up 25.6 174.4 Low 07:37:36 - 07:52:16 4007
Kingman/Dolan Springs 07:44:57 -32.8 Dark Up 25.8 174.2 Low 07:37:37 - 07:52:17 4002
Mohave Valley 07:45:00 -33.1 Dark Up 26.0 173.7 Low 07:37:40 - 07:52:20 4001
Idyllwild 07:45:09 -34.2 Dark Up 27.0 171.6 Low 07:37:49 - 07:52:29 3997
Lake Havasu City 07:44:59 -33.5 Dark Up 26.5 174.0 Low 07:37:39 - 07:52:19 3977
DCO 07:44:54 -32.9 Dark Up 25.9 175.1 Low 07:37:34 - 07:52:14 3977
Niwot 07:44:24 -27.3 Dark Up 21.1 182.7 Low 07:37:04 - 07:51:44 3976
SwRI 07:44:25 -27.4 Dark Up 21.2 182.6 Low 07:37:05 - 07:51:45 3975
Parker 07:44:59 -33.9 Dark Up 26.8 174.0 Low 07:37:39 - 07:52:19 3960
Blythe 07:45:01 -34.4 Dark Up 27.3 173.7 Low 07:37:41 - 07:52:21 3943
Calipatria 07:45:05 -34.9 Dark Up 27.7 172.7 Low 07:37:45 - 07:52:25 3941
Yuma 07:45:02 -35.3 Dark Up 28.2 173.6 Low 07:37:42 - 07:52:22 3900

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 11HM102, (2019/07/12 07:46UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 40.23  99
38Zet Sgr      19:02:36.7 -29:52:49  2.7 10.83  49
PPM 270317     19:49:11.8 -28:47:22  6.0  0.63  59
PPM 270368     19:51:58.3 -28:29:54  8.0  0.28  60
PPM 270349     19:51:13.7 -28:38:58  9.6  0.23  59
11HM102        19:52:04.5 -28:46:41 15.9        60
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:24:13 UT

Marc W. Buie, Southwest Research Institute

RECON