RECON: TNO occultation with 01KD77

Event between 01KD77 and star GA0680:32236497 with event index number of 194657

Geocentric closest approach at 2019/06/14 07:22:11 UTC

J2000 position of star is 18:49:01.3 -21:31:24
Equinox of date position of star is 18:50:11.1 -21:30:00
Stellar brightness G=16.1, use SENSEUP=128
Star is 56 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=21.3

[RECON map]
TNO is 36.5 AU from the Sun and 35.5 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 483 seconds.
The 1-sigma cross-track error in the shadow position is 2298 km.
The sky-plane scale is 25768.4 km/arcsec.

The TNO has an absolute magnitude Hv=5.7
Diameter=446.7 km assuming a 5% albedo -- 19.8 sec chord
Diameter=182.4 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 01KD77, (2019/06/14 07:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 32.17  26
Nunki          18:56:28.2 -26:16:15  2.0  4.98  57
30 Sgr         18:52:00.6 -22:08:18  6.3  0.77  56
PPM 268985     18:52:28.9 -21:59:38  8.5  0.73  56
PPM 268952     18:51:16.5 -21:49:37  9.1  0.41  56
01KD77         18:50:11.1 -21:30:00 16.1        56
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 1.9 sigma about the mid-time.
The median site spacing is 11.3 km RECON observability=0.6 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:23:15 -16.5 AT Up 14.2 152.7 Really Low 07:08:15 - 07:38:15 9488
Summerland 07:23:17 -16.7 AT Up 14.4 152.4 Really Low 07:08:17 - 07:38:17 9475
Penticton 07:23:17 -16.8 AT Up 14.5 152.5 Really Low 07:08:17 - 07:38:17 9473
Okanagan Falls 07:23:16 -17.0 AT Up 14.7 152.5 Really Low 07:08:16 - 07:38:16 9466
Oliver 07:23:18 -17.1 AT Up 14.8 152.5 Really Low 07:08:18 - 07:38:18 9461
Anarchist Mountain Observatory 07:23:17 -17.3 AT Up 15.0 152.6 Really Low 07:08:17 - 07:38:17 9456
Oroville 07:23:19 -17.4 AT Up 15.1 152.6 Really Low 07:08:19 - 07:38:19 9452
Tonasket 07:23:18 -17.6 AT Up 15.3 152.5 Really Low 07:08:18 - 07:38:18 9443
Okanogan 07:23:19 -18.0 AT Up 15.5 152.4 Really Low 07:08:19 - 07:38:19 9429
Brewster 07:23:21 -18.2 Dark Up 15.7 152.2 Really Low 07:08:21 - 07:38:21 9417
Manson/Chelan 07:23:21 -18.4 Dark Up 15.8 151.8 Really Low 07:08:21 - 07:38:21 9406
Entiat 07:23:23 -18.6 Dark Up 16.0 151.7 Really Low 07:08:23 - 07:38:23 9397
Wenatchee 07:23:23 -18.8 Dark Up 16.2 151.6 Really Low 07:08:23 - 07:38:23 9386
Ellensburg 07:23:24 -19.2 Dark Up 16.4 151.3 Really Low 07:08:24 - 07:38:24 9367
Yakima 07:23:25 -19.6 Dark Up 16.8 151.3 Really Low 07:08:25 - 07:38:25 9350
Pasco 07:23:23 -20.1 Dark Up 17.6 152.5 Really Low 07:08:23 - 07:38:23 9348
Toppenish/White Swan 07:23:26 -19.8 Dark Up 17.0 151.4 Really Low 07:08:26 - 07:38:26 9343
PNWRO 07:23:22 -20.4 Dark Up 17.9 152.7 Really Low 07:08:22 - 07:38:22 9339
George/Umatilla 07:23:23 -20.4 Dark Up 17.8 152.3 Really Low 07:08:23 - 07:38:23 9332
Goldendale 07:23:28 -20.3 Dark Up 17.4 150.9 Really Low 07:08:28 - 07:38:28 9315
The Dalles 07:23:29 -20.5 Dark Up 17.5 150.6 Really Low 07:08:29 - 07:38:29 9302
Maupin 07:23:30 -20.9 Dark Up 17.9 150.6 Really Low 07:08:30 - 07:38:30 9285
Madras/Culver 07:23:30 -21.5 Dark Up 18.3 150.5 Really Low 07:08:30 - 07:38:30 9260
Redmond 07:23:32 -21.8 Dark Up 18.6 150.4 Really Low 07:08:32 - 07:38:32 9243
Sisters 07:23:33 -21.7 Dark Up 18.5 150.0 Really Low 07:08:33 - 07:38:33 9241
Bend 07:23:32 -22.0 Dark Up 18.8 150.2 Really Low 07:08:32 - 07:38:32 9232
Oregon Observatory 07:23:34 -22.2 Dark Up 18.9 150.1 Really Low 07:08:34 - 07:38:34 9223
La Pine/Gilchrist 07:23:34 -22.4 Dark Up 19.0 150.0 Really Low 07:08:34 - 07:38:34 9212
North Lake 07:23:32 -22.9 Dark Up 19.6 150.4 Really Low 07:08:32 - 07:38:32 9197
Paisley 07:23:33 -23.5 Dark Up 20.2 150.7 Low 07:08:33 - 07:38:33 9174
Chiloquin 07:23:37 -23.4 Dark Up 19.9 149.5 Really Low 07:08:37 - 07:38:37 9156
Lakeview 07:23:33 -24.0 Dark Up 20.7 150.8 Low 07:08:33 - 07:38:33 9151
Klamath Falls 07:23:38 -23.8 Dark Up 20.2 149.5 Low 07:08:38 - 07:38:38 9140
Tulelake 07:23:37 -24.1 Dark Up 20.5 149.7 Low 07:08:37 - 07:38:37 9129
Niwot 07:22:44 -26.4 Dark Up 26.9 164.9 Low 07:07:44 - 07:37:44 9122
Cedarville 07:23:33 -24.6 Dark Up 21.4 150.8 Low 07:08:33 - 07:38:33 9119
SwRI 07:22:45 -26.5 Dark Up 27.0 164.8 Low 07:07:45 - 07:37:45 9117
Fall River/Burney 07:23:38 -25.0 Dark Up 21.3 149.6 Low 07:08:38 - 07:38:38 9083
Susanville 07:23:36 -25.7 Dark Up 22.2 150.2 Low 07:08:36 - 07:38:36 9058
Gimple 07:23:38 -25.9 Dark Up 22.3 149.9 Low 07:08:38 - 07:38:38 9041
Greenville 07:23:38 -25.9 Dark Up 22.3 149.8 Low 07:08:38 - 07:38:38 9040
Quincy 07:23:39 -26.1 Dark Up 22.5 149.8 Low 07:08:39 - 07:38:39 9030
Portola 07:23:37 -26.3 Dark Up 22.8 150.2 Low 07:08:37 - 07:38:37 9027
Reno 07:23:35 -26.6 Dark Up 23.2 150.7 Low 07:08:35 - 07:38:35 9019
Carson City 07:23:37 -27.0 Dark Up 23.6 150.7 Low 07:08:37 - 07:38:37 9000
Yerington 07:23:35 -27.3 Dark Up 24.0 151.2 Low 07:08:35 - 07:38:35 8995
Gardnerville 07:23:37 -27.3 Dark Up 23.8 150.7 Low 07:08:37 - 07:38:37 8987
Hawthorne 07:23:34 -27.8 Dark Up 24.6 151.6 Low 07:08:34 - 07:38:34 8974
Tonopah 07:23:29 -28.4 Dark Up 25.5 152.8 Low 07:08:29 - 07:38:29 8959
Lee Vining 07:23:35 -28.3 Dark Up 24.9 151.0 Low 07:08:35 - 07:38:35 8938
Bishop 07:23:35 -29.0 Dark Up 25.7 151.6 Low 07:08:35 - 07:38:35 8910
Beatty 07:23:30 -29.6 Dark Up 26.7 153.0 Low 07:08:30 - 07:38:30 8896
Indian Springs 07:23:26 -30.0 Dark Up 27.4 154.0 Low 07:08:26 - 07:38:26 8885
Lone Pine 07:23:35 -29.8 Dark Up 26.5 151.7 Low 07:08:35 - 07:38:35 8869
Henderson 07:23:24 -30.6 Dark Up 28.1 154.5 Low 07:08:24 - 07:38:24 8859
Patrick 07:23:21 -31.3 Dark Up 29.0 155.5 Low 07:08:21 - 07:38:21 8828
Searchlight/Boulder City 07:23:25 -31.2 Dark Up 28.6 154.5 Low 07:08:25 - 07:38:25 8825
DCO 07:23:19 -31.6 Dark Up 29.6 156.1 Low 07:08:19 - 07:38:19 8814
Kingman/Dolan Springs 07:23:23 -31.5 Dark Up 29.2 155.2 Low 07:08:23 - 07:38:23 8814
Laughlin/Bullhead City 07:23:24 -31.5 Dark Up 29.0 154.7 Low 07:08:24 - 07:38:24 8809
Mohave Valley 07:23:24 -31.7 Dark Up 29.3 154.7 Low 07:08:24 - 07:38:24 8793
Lake Havasu City 07:23:24 -32.2 Dark Up 29.7 154.8 Low 07:08:24 - 07:38:24 8770
CPSLO 07:23:46 -30.7 Dark Up 26.6 149.0 Low 07:08:46 - 07:38:46 8767
Parker 07:23:24 -32.5 Dark Up 30.1 154.8 Up 07:08:24 - 07:38:24 8748
Blythe 07:23:26 -33.0 Dark Up 30.4 154.3 Up 07:08:26 - 07:38:26 8713
Wildwood 07:23:40 -32.2 Dark Up 28.5 150.6 Low 07:08:40 - 07:38:40 8712
Idyllwild 07:23:35 -32.7 Dark Up 29.5 152.3 Low 07:08:35 - 07:38:35 8705
Calipatria 07:23:31 -33.4 Dark Up 30.5 153.3 Up 07:08:31 - 07:38:31 8675
Yuma 07:23:27 -33.9 Dark Up 31.2 154.1 Up 07:08:27 - 07:38:27 8654

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 01KD77, (2019/06/14 07:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 32.17  26
Nunki          18:55:15.9 -26:17:49  2.0  4.98  57
30 Sgr         18:50:50.5 -22:09:44  6.3  0.77  56
PPM 268985     18:51:18.8 -22:01:06  8.5  0.73  56
PPM 268952     18:50:06.5 -21:51:03  9.1  0.41  56
01KD77         18:49:01.3 -21:31:24 16.1        56
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:15:44 UT

Marc W. Buie, Southwest Research Institute

RECON