RECON: TNO occultation with 533676

Event between (533676) 14LS28 and star GA0720:05693402 with event index number of 1611450

Geocentric closest approach at 2020/05/27 04:33:28 UTC

J2000 position of star is 15:48:10.1 -16:36:30
Equinox of date position of star is 15:49:16.6 -16:40:02
Stellar brightness G=15.6, use SENSEUP=128
Star is 119 degrees from the moon. Moon is 20% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 42.0 AU from the Sun and 41.0 AU from the Earth.
The TNO is moving 24.5 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is 2146 km.
The sky-plane scale is 29721.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 14.1 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533676, (2020/05/27 04:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.7 -26:28:32  0.9 13.72 131
8Bet1Sco       16:06:37.6 -19:51:35  2.6  5.20 124
44Eta Lib      15:45:13.5 -15:44:11  5.4  1.36 118
PPM 230770     15:49:20.2 -16:39:44  8.4  0.01 119
533676         15:49:19.7 -16:40:12 15.6       120
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 3.7 sigma about the mid-time.
The median site spacing is 13.1 km RECON observability=0.3 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 04:36:03 -6.3 NT Up 13.8 138.5 Really Low 04:21:03 - 04:51:03 11077
Summerland 04:36:04 -6.4 NT Up 13.9 138.2 Really Low 04:21:04 - 04:51:04 11052
Penticton 04:36:04 -6.5 NT Up 14.0 138.3 Really Low 04:21:04 - 04:51:04 11050
Okanagan Falls 04:36:04 -6.6 NT Up 14.1 138.2 Really Low 04:21:04 - 04:51:04 11038
Oliver 04:36:05 -6.7 NT Up 14.3 138.2 Really Low 04:21:05 - 04:51:05 11028
Anarchist Mountain Observatory 04:36:05 -6.9 NT Up 14.5 138.3 Really Low 04:21:05 - 04:51:05 11023
Oroville 04:36:04 -6.9 NT Up 14.5 138.3 Really Low 04:21:04 - 04:51:04 11016
Tonasket 04:36:05 -7.1 NT Up 14.7 138.2 Really Low 04:21:05 - 04:51:05 11002
Okanogan 04:36:06 -7.3 NT Up 14.9 138.0 Really Low 04:21:06 - 04:51:06 10977
Brewster 04:36:07 -7.4 NT Up 15.0 137.8 Really Low 04:21:07 - 04:51:07 10954
Manson/Chelan 04:36:09 -7.3 NT Up 15.0 137.5 Really Low 04:21:09 - 04:51:09 10932
Wenatchee 04:36:09 -7.6 NT Up 15.2 137.2 Really Low 04:21:09 - 04:51:09 10897
Ellensburg 04:36:11 -7.8 NT Up 15.4 137.0 Really Low 04:21:11 - 04:51:11 10864
Pasco 04:36:08 -9.0 NT Up 16.6 138.1 Really Low 04:21:08 - 04:51:08 10852
PNWRO 04:36:09 -9.3 NT Up 16.9 138.2 Really Low 04:21:09 - 04:51:09 10841
Yakima 04:36:12 -8.0 NT Up 15.7 136.9 Really Low 04:21:12 - 04:51:12 10837
Toppenish/White Swan 04:36:11 -8.3 NT Up 16.0 137.0 Really Low 04:21:11 - 04:51:11 10827
George/Umatilla 04:36:11 -9.1 NT Up 16.8 137.8 Really Low 04:21:11 - 04:51:11 10824
SwRI 04:35:42 -20.2 Dark Up 27.6 149.3 Low 04:20:42 - 04:50:42 10793
Goldendale 04:36:14 -8.4 NT Up 16.2 136.5 Really Low 04:21:14 - 04:51:14 10779
The Dalles 04:36:14 -8.4 NT Up 16.2 136.2 Really Low 04:21:14 - 04:51:14 10754
Maupin 04:36:15 -8.7 NT Up 16.5 136.2 Really Low 04:21:15 - 04:51:15 10728
Madras/Culver 04:36:15 -9.1 NT Up 16.9 136.0 Really Low 04:21:15 - 04:51:15 10690
Redmond 04:36:17 -9.3 NT Up 17.1 135.9 Really Low 04:21:17 - 04:51:17 10663
Sisters 04:36:17 -9.1 NT Up 16.9 135.6 Really Low 04:21:17 - 04:51:17 10654
Bend 04:36:17 -9.4 NT Up 17.2 135.7 Really Low 04:21:17 - 04:51:17 10645
Oregon Observatory 04:36:17 -9.4 NT Up 17.3 135.6 Really Low 04:21:17 - 04:51:17 10629
La Pine/Gilchrist 04:36:18 -9.5 NT Up 17.4 135.5 Really Low 04:21:18 - 04:51:18 10613
North Lake 04:36:18 -10.1 NT Up 18.0 135.9 Really Low 04:21:18 - 04:51:18 10599
Paisley 04:36:18 -10.7 NT Up 18.6 136.1 Really Low 04:21:18 - 04:51:18 10569
Lakeview 04:36:18 -11.2 NT Up 19.0 136.1 Really Low 04:21:18 - 04:51:18 10538
Chiloquin 04:36:20 -10.1 NT Up 18.0 134.9 Really Low 04:21:20 - 04:51:20 10524
Klamath Falls 04:36:22 -10.4 NT Up 18.3 134.9 Really Low 04:21:22 - 04:51:22 10501
Cedarville 04:36:19 -11.7 NT Up 19.6 136.1 Really Low 04:21:19 - 04:51:19 10495
Tulelake 04:36:21 -10.7 NT Up 18.6 135.1 Really Low 04:21:21 - 04:51:21 10490
Fall River/Burney 04:36:21 -11.4 NT Up 19.3 135.0 Really Low 04:21:21 - 04:51:21 10425
Susanville 04:36:22 -12.2 AT Up 20.2 135.5 Low 04:21:22 - 04:51:22 10400
Gimple 04:36:23 -12.3 AT Up 20.3 135.2 Low 04:21:23 - 04:51:23 10373
Greenville 04:36:23 -12.2 AT Up 20.2 135.1 Low 04:21:23 - 04:51:23 10371
Portola 04:36:22 -12.7 AT Up 20.7 135.5 Low 04:21:22 - 04:51:22 10360
Reno 04:36:21 -13.3 AT Up 21.2 135.9 Low 04:21:21 - 04:51:21 10358
Quincy 04:36:22 -12.4 AT Up 20.4 135.1 Low 04:21:22 - 04:51:22 10355
Yerington 04:36:20 -14.0 AT Up 22.0 136.3 Low 04:21:20 - 04:51:20 10336
Carson City 04:36:22 -13.5 AT Up 21.5 135.9 Low 04:21:22 - 04:51:22 10332
Tonopah 04:36:16 -15.7 AT Up 23.7 137.7 Low 04:21:16 - 04:51:16 10321
Hawthorne 04:36:19 -14.6 AT Up 22.6 136.7 Low 04:21:19 - 04:51:19 10316
Gardnerville 04:36:21 -13.7 AT Up 21.7 135.8 Low 04:21:21 - 04:51:21 10315
Lee Vining 04:36:21 -14.7 AT Up 22.8 136.1 Low 04:21:21 - 04:51:21 10258
Indian Springs 04:36:15 -17.7 AT Up 25.6 138.6 Low 04:21:15 - 04:51:15 10252
Beatty 04:36:17 -16.8 AT Up 24.8 137.8 Low 04:21:17 - 04:51:17 10246
Bishop 04:36:20 -15.6 AT Up 23.6 136.5 Low 04:21:20 - 04:51:20 10233
Henderson 04:36:12 -18.4 Dark Up 26.4 139.1 Low 04:21:12 - 04:51:12 10231
Patrick 04:36:11 -19.5 Dark Up 27.4 139.9 Low 04:21:11 - 04:51:11 10215
Kingman/Dolan Springs 04:36:11 -19.6 Dark Up 27.5 139.6 Low 04:21:11 - 04:51:11 10192
Searchlight/Boulder City 04:36:13 -18.9 Dark Up 26.8 138.9 Low 04:21:13 - 04:51:13 10188
Lone Pine 04:36:20 -16.3 AT Up 24.3 136.6 Low 04:21:20 - 04:51:20 10184
Laughlin/Bullhead City 04:36:13 -19.3 Dark Up 27.3 139.1 Low 04:21:13 - 04:51:13 10175
Mohave Valley 04:36:12 -19.5 Dark Up 27.5 139.1 Low 04:21:12 - 04:51:12 10154
Lake Havasu City 04:36:12 -19.9 Dark Up 27.9 139.1 Low 04:21:12 - 04:51:12 10130
Parker 04:36:13 -20.2 Dark Up 28.2 139.0 Low 04:21:13 - 04:51:13 10103
Blythe 04:36:13 -20.4 Dark Up 28.4 138.6 Low 04:21:13 - 04:51:13 10052
CPSLO 04:36:28 -15.6 AT Up 23.8 134.0 Low 04:21:28 - 04:51:28 10003
Idyllwild 04:36:18 -19.1 Dark Up 27.2 136.8 Low 04:21:18 - 04:51:18 9996
Calipatria 04:36:17 -20.2 Dark Up 28.3 137.6 Low 04:21:17 - 04:51:17 9983
Yuma 04:36:15 -21.0 Dark Up 29.1 138.2 Low 04:21:15 - 04:51:15 9975
Wildwood 04:36:25 -17.7 AT Up 25.8 135.3 Low 04:21:25 - 04:51:25 9968

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 533676, (2020/05/27 04:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.72 131
8Bet1Sco       16:05:26.2 -19:48:20  2.6  5.20 124
44Eta Lib      15:44:04.4 -15:40:24  5.4  1.36 118
PPM 230770     15:48:10.6 -16:36:03  8.4  0.01 119
533676         15:48:10.1 -16:36:30 15.6       119
Positions are for J2000

Event circumstances last updated at 2019/07/02 02:39:23 UT

Marc W. Buie, Southwest Research Institute

RECON