RECON: TNO occultation with 11MM4

Event between 11MM4 and star GA1640:01140776 with event index number of 196847

Geocentric closest approach at 2019/06/14 08:27:31 UTC

J2000 position of star is 11:04:06.6 +75:28:41
Equinox of date position of star is 11:05:27.5 +75:22:35
Stellar brightness G=15.4, use SENSEUP=128
Star is 95 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 19.5 AU from the Sun and 19.9 AU from the Earth.
The TNO is moving 30.0 km/sec on the sky relative to the star, or, 7.5 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is 4961 km.
The sky-plane scale is 14404.6 km/arcsec.

The TNO has an absolute magnitude Hv=9.5
Diameter=77.3 km assuming a 5% albedo -- 2.6 sec chord
Diameter=31.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11MM4, (2019/06/14 08:28UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:05.7 +45:21:02  1.3 57.01  95
Dubhe          11:04:54.8 +61:38:44  1.8 13.73  87
PPM 007714     10:36:41.7 +75:36:43  4.8  1.82  96
PPM 007832     11:04:51.6 +75:20:09  8.2  0.06  95
11MM4          11:05:30.2 +75:22:23 15.4        94
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 13.5 km RECON observability=1.0 and success probability=3.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:26:11 -16.6 AT Up 44.7 340.0 Up 08:20:15 - 08:32:06 -7271
Summerland 08:26:11 -16.6 AT Up 44.7 339.9 Up 08:20:16 - 08:32:07 -7282
Penticton 08:26:12 -17.0 AT Up 44.3 340.0 Up 08:20:16 - 08:32:07 -7304
Okanagan Falls 08:26:12 -17.1 AT Up 44.2 340.1 Up 08:20:16 - 08:32:07 -7320
Oliver 08:26:11 -17.3 AT Up 44.0 340.2 Up 08:20:16 - 08:32:07 -7333
Anarchist Mountain Observatory 08:26:11 -17.5 AT Up 43.8 340.3 Up 08:20:15 - 08:32:06 -7343
Oroville 08:26:11 -17.5 AT Up 43.8 340.3 Up 08:20:15 - 08:32:06 -7351
Tonasket 08:26:10 -17.8 AT Up 43.5 340.3 Up 08:20:15 - 08:32:06 -7370
Okanogan 08:26:11 -18.1 Dark Up 43.3 340.4 Up 08:20:16 - 08:32:07 -7400
Brewster 08:26:12 -18.4 Dark Up 43.0 340.5 Up 08:20:16 - 08:32:07 -7426
Manson/Chelan 08:26:13 -18.6 Dark Up 42.9 340.5 Up 08:20:17 - 08:32:08 -7451
Entiat 08:26:12 -18.9 Dark Up 42.7 340.5 Up 08:20:17 - 08:32:08 -7470
Wenatchee 08:26:13 -19.1 Dark Up 42.5 340.6 Up 08:20:17 - 08:32:08 -7492
Ellensburg 08:26:13 -19.5 Dark Up 42.2 340.7 Up 08:20:18 - 08:32:09 -7530
Niwot 08:25:36 -23.6 Dark Up 32.3 344.7 Up 08:19:40 - 08:31:31 -7530
Pasco 08:26:10 -20.2 Dark Up 41.2 341.1 Up 08:20:14 - 08:32:05 -7558
Yakima 08:26:13 -20.0 Dark Up 41.8 340.8 Up 08:20:17 - 08:32:08 -7563
PNWRO 08:26:09 -20.4 Dark Up 40.9 341.2 Up 08:20:13 - 08:32:04 -7572
Toppenish/White Swan 08:26:12 -20.2 Dark Up 41.6 340.9 Up 08:20:17 - 08:32:08 -7576
George/Umatilla 08:26:10 -20.5 Dark Up 40.9 341.2 Up 08:20:15 - 08:32:06 -7589
Goldendale 08:26:14 -20.7 Dark Up 41.1 341.0 Up 08:20:19 - 08:32:10 -7628
The Dalles 08:26:15 -21.0 Dark Up 41.0 341.0 Up 08:20:19 - 08:32:10 -7653
Maupin 08:26:14 -21.4 Dark Up 40.6 341.1 Up 08:20:18 - 08:32:09 -7684
Madras/Culver 08:26:14 -21.9 Dark Up 40.1 341.3 Up 08:20:19 - 08:32:10 -7727
Redmond 08:26:14 -22.3 Dark Up 39.7 341.4 Up 08:20:19 - 08:32:10 -7755
Sisters 08:26:16 -22.3 Dark Up 39.9 341.3 Up 08:20:20 - 08:32:11 -7762
Bend 08:26:15 -22.5 Dark Up 39.6 341.4 Up 08:20:19 - 08:32:10 -7775
Oregon Observatory 08:26:15 -22.7 Dark Up 39.4 341.4 Up 08:20:20 - 08:32:11 -7790
La Pine/Gilchrist 08:26:15 -22.9 Dark Up 39.3 341.5 Up 08:20:19 - 08:32:10 -7807
North Lake 08:26:14 -23.3 Dark Up 38.7 341.7 Up 08:20:19 - 08:32:10 -7827
Paisley 08:26:13 -23.8 Dark Up 38.1 341.9 Up 08:20:18 - 08:32:09 -7860
Lakeview 08:26:13 -24.3 Dark Up 37.6 342.0 Up 08:20:17 - 08:32:08 -7893
Chiloquin 08:26:17 -24.0 Dark Up 38.3 341.7 Up 08:20:21 - 08:32:12 -7898
Klamath Falls 08:26:16 -24.4 Dark Up 37.9 341.8 Up 08:20:21 - 08:32:12 -7921
Tulelake 08:26:16 -24.6 Dark Up 37.6 341.9 Up 08:20:20 - 08:32:11 -7935
Cedarville 08:26:13 -25.0 Dark Up 36.9 342.2 Up 08:20:17 - 08:32:08 -7937
Fall River/Burney 08:26:15 -25.5 Dark Up 36.7 342.1 Up 08:20:20 - 08:32:11 -7999
Susanville 08:26:13 -26.1 Dark Up 36.0 342.4 Up 08:20:17 - 08:32:08 -8028
Gimple 08:26:14 -26.4 Dark Up 35.7 342.4 Up 08:20:18 - 08:32:09 -8052
Greenville 08:26:14 -26.4 Dark Up 35.8 342.4 Up 08:20:19 - 08:32:10 -8054
Portola 08:26:13 -26.7 Dark Up 35.3 342.5 Up 08:20:18 - 08:32:09 -8066
Quincy 08:26:14 -26.6 Dark Up 35.6 342.4 Up 08:20:18 - 08:32:09 -8068
Reno 08:26:12 -26.9 Dark Up 34.9 342.7 Up 08:20:16 - 08:32:07 -8069
Yerington 08:26:10 -27.4 Dark Up 34.3 342.9 Up 08:20:14 - 08:32:05 -8090
Carson City 08:26:11 -27.2 Dark Up 34.6 342.7 Up 08:20:16 - 08:32:07 -8093
Tonopah 08:26:05 -28.1 Dark Up 32.9 343.3 Up 08:20:09 - 08:32:00 -8101
Hawthorne 08:26:09 -27.8 Dark Up 33.7 343.0 Up 08:20:13 - 08:32:04 -8108
Gardnerville 08:26:11 -27.5 Dark Up 34.3 342.8 Up 08:20:16 - 08:32:07 -8109
Indian Springs 08:26:01 -29.3 Dark Up 31.2 343.7 Up 08:20:05 - 08:31:56 -8151
DCO 08:25:54 -30.3 Dark Up 29.2 344.3 Low 08:19:58 - 08:31:49 -8157
Lee Vining 08:26:09 -28.4 Dark Up 33.3 343.1 Up 08:20:14 - 08:32:05 -8159
Henderson 08:25:59 -29.7 Dark Up 30.5 343.9 Up 08:20:03 - 08:31:54 -8162
Beatty 08:26:04 -29.2 Dark Up 31.7 343.5 Up 08:20:08 - 08:31:59 -8163
Patrick 08:25:56 -30.1 Dark Up 29.6 344.2 Low 08:20:00 - 08:31:51 -8163
Bishop 08:26:08 -28.9 Dark Up 32.5 343.3 Up 08:20:12 - 08:32:03 -8179
Kingman/Dolan Springs 08:25:56 -30.4 Dark Up 29.5 344.2 Low 08:20:01 - 08:31:52 -8183
Searchlight/Boulder City 08:25:59 -30.3 Dark Up 29.9 344.0 Low 08:20:03 - 08:31:54 -8196
Laughlin/Bullhead City 08:25:58 -30.5 Dark Up 29.6 344.1 Low 08:20:02 - 08:31:53 -8202
Mohave Valley 08:25:58 -30.8 Dark Up 29.3 344.2 Low 08:20:02 - 08:31:53 -8219
Lone Pine 08:26:07 -29.6 Dark Up 31.7 343.4 Up 08:20:12 - 08:32:03 -8219
Lake Havasu City 08:25:57 -31.1 Dark Up 28.9 344.2 Low 08:20:02 - 08:31:53 -8234
Parker 08:25:57 -31.5 Dark Up 28.5 344.3 Low 08:20:02 - 08:31:53 -8254
Blythe 08:25:58 -32.0 Dark Up 28.1 344.3 Low 08:20:03 - 08:31:54 -8296
Yuma 08:25:58 -32.9 Dark Up 27.2 344.5 Low 08:20:03 - 08:31:54 -8351
Calipatria 08:26:00 -32.7 Dark Up 27.8 344.3 Low 08:20:05 - 08:31:56 -8356
Idyllwild 08:26:04 -32.3 Dark Up 28.7 344.1 Low 08:20:08 - 08:31:59 -8358
CPSLO 08:26:14 -31.2 Dark Up 31.1 343.4 Up 08:20:19 - 08:32:10 -8370
Wildwood 08:26:09 -32.2 Dark Up 29.4 343.8 Low 08:20:14 - 08:32:05 -8392

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 11MM4, (2019/06/14 08:28UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 57.01  95
Dubhe          11:03:43.4 +61:45:02  1.8 13.73  87
PPM 007714     10:35:05.4 +75:42:47  4.8  1.82  96
PPM 007832     11:03:27.7 +75:26:27  8.2  0.06  95
11MM4          11:04:06.6 +75:28:41 15.4        95
Positions are for J2000

Event circumstances last updated at 2018/10/24 21:37:33 UT

Marc W. Buie, Southwest Research Institute

RECON