RECON: TNO occultation with 578559

Event between (578559) 14DC143 and star GA0740:09600931 with event index number of 2782391

Geocentric closest approach at 2029/06/18 08:30:25 UTC

J2000 position of star is 17:34:09.3 -15:57:01
Equinox of date position of star is 17:35:25.9 -15:57:49
Stellar brightness G=12.8, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 101 degrees from the moon. Moon is 38% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 19.4 AU from the Sun and 18.4 AU from the Earth.
The TNO is moving 23.2 km/sec on the sky relative to the star, or, 6.3 arcsec/hr.
The 1-sigma error in the time of the event is 252 seconds.
The 1-sigma cross-track error in the shadow position is 2530 km.
The sky-plane scale is 13371.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 2.2 sec chord
Diameter=21.3 km assuming a 30% albedo -- 0.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 578559, (2029/06/18 08:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.1 -26:29:41  0.9 18.34  86
35Eta Oph      17:12:04.2 -15:45:33  2.6  5.72  95
PPM 233351     17:39:17.7 -15:35:11  6.2  0.91 102
PPM 233314     17:38:03.4 -15:30:04  8.3  0.71 101
PPM 233241     17:35:03.8 -15:44:39  9.4  0.29 101
578559         17:35:51.1 -15:58:05 12.8       101
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 3.6 sigma about the mid-time.
The median site spacing is 15.4 km RECON observability=1.0 and success probability=5.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:29:40 -15.7 AT Down 22.8 190.8 Low 08:14:40 - 08:44:40 5339
Kelowna 08:29:37 -16.4 AT Down 23.4 191.8 Low 08:14:37 - 08:44:37 5295
Peachland 08:29:38 -16.6 AT Down 23.6 191.5 Low 08:14:38 - 08:44:38 5292
Summerland 08:29:37 -16.7 AT Down 23.7 191.6 Low 08:14:37 - 08:44:37 5284
Penticton 08:29:37 -16.7 AT Down 23.8 191.7 Low 08:14:37 - 08:44:37 5280
Sleaford 08:29:01 -12.3 AT Down 18.7 205.1 Really Low 08:14:01 - 08:44:01 5264
Oliver 08:29:37 -17.1 AT Down 24.1 191.8 Low 08:14:37 - 08:44:37 5263
Victoria 08:29:48 -18.0 AT Down 25.2 187.8 Low 08:14:48 - 08:44:48 5260
Anarchist Mountain Observatory 08:29:36 -17.3 AT Down 24.3 192.0 Low 08:14:36 - 08:44:36 5254
Tonasket 08:29:36 -17.6 AT Down 24.6 192.0 Low 08:14:36 - 08:44:36 5239
Okanogan 08:29:36 -17.9 AT Down 24.9 191.8 Low 08:14:36 - 08:44:36 5224
Brewster 08:29:37 -18.2 Dark Down 25.2 191.6 Low 08:14:37 - 08:44:37 5212
Manson/Chelan 08:29:38 -18.4 Dark Down 25.5 191.3 Low 08:14:38 - 08:44:38 5204
Wenatchee 08:29:38 -18.9 Dark Down 26.0 191.1 Low 08:14:38 - 08:44:38 5182
Ellensburg 08:29:39 -19.3 Dark Down 26.4 191.0 Low 08:14:39 - 08:44:39 5162
Yakima 08:29:39 -19.7 Dark Down 26.8 191.0 Low 08:14:39 - 08:44:39 5141
Toppenish/White Swan 08:29:38 -20.0 Dark Down 27.0 191.2 Low 08:14:38 - 08:44:38 5129
Goldendale 08:29:39 -20.5 Dark Down 27.6 190.8 Low 08:14:39 - 08:44:39 5103
PNWRO 08:29:33 -20.2 Dark Down 27.1 192.8 Low 08:14:33 - 08:44:33 5096
The Dalles 08:29:40 -20.8 Dark Down 27.8 190.4 Low 08:14:40 - 08:44:40 5093
Maupin 08:29:39 -21.2 Dark Down 28.2 190.6 Low 08:14:39 - 08:44:39 5070
Sisters 08:29:41 -22.1 Dark Down 29.2 190.1 Low 08:14:41 - 08:44:41 5026
Bend 08:29:40 -22.3 Dark Down 29.4 190.4 Low 08:14:40 - 08:44:40 5011
Oregon Observatory 08:29:40 -22.5 Dark Down 29.6 190.3 Low 08:14:40 - 08:44:40 5002
North Lake 08:29:38 -23.1 Dark Down 30.1 190.9 Up 08:14:38 - 08:44:38 4961
Chiloquin 08:29:41 -23.8 Dark Down 30.9 190.0 Up 08:14:41 - 08:44:41 4929
Klamath Falls 08:29:41 -24.2 Dark Down 31.2 190.1 Up 08:14:41 - 08:44:41 4908
Lakeview 08:29:36 -24.1 Dark Down 31.1 191.7 Up 08:14:36 - 08:44:36 4894
Cedarville 08:29:35 -24.7 Dark Down 31.7 191.9 Up 08:14:35 - 08:44:35 4853
Fall River/Burney 08:29:39 -25.3 Dark Down 32.3 190.6 Up 08:14:39 - 08:44:39 4834
Susanville 08:29:36 -25.9 Dark Down 32.9 191.6 Up 08:14:36 - 08:44:36 4789
Greenville 08:29:37 -26.2 Dark Down 33.2 191.3 Up 08:14:37 - 08:44:37 4774
Gimple 08:29:37 -26.2 Dark Down 33.2 191.4 Up 08:14:37 - 08:44:37 4773
Quincy 08:29:37 -26.4 Dark Down 33.4 191.3 Up 08:14:37 - 08:44:37 4761
Portola 08:29:36 -26.5 Dark Down 33.4 191.8 Up 08:14:36 - 08:44:36 4749
Reno 08:29:33 -26.7 Dark Down 33.6 192.6 Up 08:14:33 - 08:44:33 4726
Carson City 08:29:33 -27.0 Dark Down 33.9 192.7 Up 08:14:33 - 08:44:33 4703
Gardnerville 08:29:33 -27.3 Dark Down 34.2 192.8 Up 08:14:33 - 08:44:33 4687
Yerington 08:29:31 -27.2 Dark Down 34.0 193.4 Up 08:14:31 - 08:44:31 4684
Hawthorne 08:29:29 -27.6 Dark Down 34.4 194.1 Up 08:14:29 - 08:44:29 4648
Lee Vining 08:29:30 -28.2 Dark Down 35.0 193.6 Up 08:14:30 - 08:44:30 4617
Tonopah 08:29:23 -27.8 Dark Down 34.5 195.8 Up 08:14:23 - 08:44:23 4603
Dunrhomin 08:28:44 -23.2 Dark Down 29.1 208.1 Low 08:13:44 - 08:43:44 4596
CU-SBO 08:28:44 -23.5 Dark Down 29.3 208.1 Low 08:13:44 - 08:43:44 4581
Bishop 08:29:27 -28.7 Dark Down 35.4 194.6 Up 08:14:27 - 08:44:27 4569
Beatty 08:29:21 -28.9 Dark Down 35.5 196.5 Up 08:14:21 - 08:44:21 4520
Indian Springs 08:29:17 -29.1 Dark Down 35.6 197.8 Up 08:14:17 - 08:44:17 4485
Henderson 08:29:14 -29.5 Dark Down 35.9 198.7 Up 08:14:14 - 08:44:14 4440
Patrick 08:29:10 -29.9 Dark Down 36.2 200.1 Up 08:14:10 - 08:44:10 4382
Laughlin/Bullhead City 08:29:12 -30.2 Dark Down 36.7 199.4 Up 08:14:12 - 08:44:12 4373
Kingman/Dolan Springs 08:29:10 -30.1 Dark Down 36.5 199.9 Up 08:14:10 - 08:44:10 4369
Mohave Valley 08:29:12 -30.5 Dark Down 36.9 199.4 Up 08:14:12 - 08:44:12 4354
Wildwood 08:29:27 -31.9 Dark Down 38.6 194.9 Up 08:14:27 - 08:44:27 4342
Lake Havasu City 08:29:11 -30.9 Dark Down 37.2 199.8 Up 08:14:11 - 08:44:11 4322
Idyllwild 08:29:19 -32.0 Dark Down 38.6 197.2 Up 08:14:19 - 08:44:19 4296
Parker 08:29:10 -31.2 Dark Down 37.5 199.9 Up 08:14:10 - 08:44:10 4296
Calipatria 08:29:15 -32.4 Dark Down 38.8 198.8 Up 08:14:15 - 08:44:15 4236
George/Scottsdale 08:29:02 -31.1 Dark Down 37.2 202.8 Up 08:14:02 - 08:44:02 4234
Yuma 08:29:11 -32.7 Dark Down 39.0 199.9 Up 08:14:11 - 08:44:11 4193

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 578559, (2029/06/18 08:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.34  86
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.72  95
PPM 233351     17:37:36.2 -15:34:15  6.2  0.91 102
PPM 233314     17:36:21.9 -15:29:06  8.3  0.71 101
PPM 233241     17:33:22.2 -15:43:33  9.4  0.29 101
578559         17:34:09.3 -15:57:01 12.8       101
Positions are for J2000

Event circumstances last updated at 2022/03/07 02:59:08 UT

Marc W. Buie, Southwest Research Institute

RECON