RECON: TNO occultation with 578992

Event between (578992) 14JL80 and star GA0700:21198010 with event index number of 2760900

Geocentric closest approach at 2029/05/13 08:48:53 UTC

J2000 position of star is 17:52:23.4 -19:07:26
Equinox of date position of star is 17:53:50.0 -19:07:41
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=22.1

[RECON map]
Object is 28.7 AU from the Sun and 27.9 AU from the Earth.
Apparent velocity is 17.5 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 158 seconds.
The 1-sigma cross-track error in the shadow position is 1061 km.
The sky-plane scale is 20240.6 km/arcsec.

The object has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 11.5 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 578992, (2029/05/13 08:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9 20.44 161
35Eta Oph      17:12:03.9 -15:45:33  2.6 10.58 151
PPM 233754     17:57:38.7 -18:48:16  6.5  0.89 141
PPM 233697     17:54:03.3 -19:07:36  7.6  0.02 142
578992         17:54:07.3 -19:07:43 16.5       141
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 17.0 km RECON observability=0.7 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)
Sleaford 08:49:53 -15.5 AT Down 18.2 169.9 Really Low 08:36:14 - 09:03:32 5551
Kamloops 08:50:48 -19.9 Dark Down 17.0 156.0 Really Low 08:37:09 - 09:04:27 5344
Kelowna 08:50:46 -20.5 Dark Down 18.0 156.7 Really Low 08:37:07 - 09:04:25 5320
Peachland 08:50:47 -20.7 Dark Down 18.0 156.4 Really Low 08:37:08 - 09:04:26 5311
Summerland 08:50:48 -20.8 Dark Down 18.1 156.5 Really Low 08:37:09 - 09:04:27 5306
Penticton 08:50:47 -20.8 Dark Down 18.2 156.6 Really Low 08:37:08 - 09:04:26 5304
Oliver 08:50:48 -21.2 Dark Down 18.6 156.5 Really Low 08:37:09 - 09:04:27 5288
Anarchist Mountain Observatory 08:50:48 -21.3 Dark Down 18.8 156.7 Really Low 08:37:09 - 09:04:27 5284
Okanogan 08:50:49 -22.0 Dark Down 19.3 156.4 Really Low 08:37:10 - 09:04:28 5250
Brewster 08:50:51 -22.3 Dark Down 19.5 156.2 Really Low 08:37:12 - 09:04:30 5235
Manson/Chelan 08:50:52 -22.5 Dark Down 19.6 155.8 Really Low 08:37:13 - 09:04:31 5220
Victoria 08:51:03 -22.4 Dark Down 18.1 152.8 Really Low 08:37:24 - 09:04:42 5204
Wenatchee 08:50:54 -23.0 Dark Down 20.0 155.6 Really Low 08:37:15 - 09:04:33 5195
Ellensburg 08:50:55 -23.5 Dark Down 20.3 155.3 Low 08:37:16 - 09:04:34 5172
Yakima 08:50:57 -23.9 Dark Down 20.7 155.2 Low 08:37:18 - 09:04:36 5151
PNWRO 08:50:50 -24.1 Dark Down 21.7 156.7 Low 08:37:11 - 09:04:29 5145
Toppenish/White Swan 08:50:56 -24.0 Dark Down 20.9 155.3 Low 08:37:17 - 09:04:35 5143
The Dalles 08:50:59 -24.9 Dark Down 21.4 154.5 Low 08:37:20 - 09:04:38 5091
Maupin 08:51:01 -25.3 Dark Down 21.8 154.5 Low 08:37:22 - 09:04:40 5071
Sisters 08:51:04 -26.2 Dark Down 22.4 153.9 Low 08:37:25 - 09:04:43 5018
Bend 08:51:04 -26.4 Dark Down 22.7 154.1 Low 08:37:25 - 09:04:43 5009
Oregon Observatory 08:51:04 -26.6 Dark Down 22.8 153.9 Low 08:37:25 - 09:04:43 4998
Dunrhomin 08:49:57 -25.6 Dark Down 30.0 169.8 Low 08:36:18 - 09:03:36 4997
Nikitin 08:49:58 -25.8 Dark Down 30.2 169.7 Up 08:36:19 - 09:03:37 4986
CU-SBO 08:49:58 -25.9 Dark Down 30.2 169.6 Up 08:36:19 - 09:03:37 4981
Chiloquin 08:51:08 -28.0 Dark Down 23.9 153.3 Low 08:37:29 - 09:04:47 4918
Klamath Falls 08:51:08 -28.3 Dark Down 24.2 153.3 Low 08:37:29 - 09:04:47 4899
Cedarville 08:51:03 -28.7 Dark Down 25.4 154.7 Low 08:37:24 - 09:04:42 4884
Fall River/Burney 08:51:09 -29.4 Dark Down 25.4 153.4 Low 08:37:30 - 09:04:48 4836
Gimple 08:51:08 -30.2 Dark Down 26.4 153.8 Low 08:37:29 - 09:04:47 4791
Greenville 08:51:08 -30.2 Dark Down 26.4 153.7 Low 08:37:29 - 09:04:47 4789
Portola 08:51:07 -30.4 Dark Down 26.8 154.1 Low 08:37:28 - 09:04:46 4777
Quincy 08:51:08 -30.4 Dark Down 26.6 153.6 Low 08:37:29 - 09:04:47 4777
Reno 08:51:04 -30.5 Dark Down 27.3 154.7 Low 08:37:25 - 09:04:43 4771
Carson City 08:51:05 -30.9 Dark Down 27.6 154.6 Low 08:37:26 - 09:04:44 4750
Yerington 08:51:03 -30.9 Dark Down 28.0 155.2 Low 08:37:24 - 09:04:42 4747
Gardnerville 08:51:05 -31.1 Dark Down 27.8 154.6 Low 08:37:26 - 09:04:44 4735
Hawthorne 08:51:01 -31.3 Dark Down 28.6 155.6 Low 08:37:22 - 09:04:40 4727
Lee Vining 08:51:03 -31.9 Dark Down 28.9 155.0 Low 08:37:24 - 09:04:42 4684
Bishop 08:51:01 -32.3 Dark Down 29.7 155.6 Low 08:37:22 - 09:04:40 4657
Beatty 08:50:55 -32.4 Dark Down 30.7 157.1 Up 08:37:16 - 09:04:34 4651
Patrick 08:50:42 -32.9 Dark Down 32.9 159.8 Up 08:37:03 - 09:04:21 4595
Laughlin/Bullhead City 08:50:46 -33.4 Dark Down 32.9 159.0 Up 08:37:07 - 09:04:25 4569
Lake Havasu City 08:50:45 -33.9 Dark Down 33.6 159.1 Up 08:37:06 - 09:04:24 4527
George/Scottsdale 08:50:34 -33.8 Dark Down 35.0 161.6 Up 08:36:55 - 09:04:13 4508
Idyllwild 08:50:57 -35.3 Dark Down 33.6 156.4 Up 08:37:18 - 09:04:36 4440
Wildwood 08:51:06 -35.5 Dark Down 32.6 154.5 Up 08:37:27 - 09:04:45 4434
Calipatria 08:50:52 -35.6 Dark Down 34.5 157.5 Up 08:37:13 - 09:04:31 4415
Yuma 08:50:48 -35.7 Dark Down 35.2 158.3 Up 08:37:09 - 09:04:27 4398

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 578992, (2029/05/13 08:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.44 161
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.58 151
PPM 233754     17:55:55.0 -18:48:08  6.5  0.89 141
PPM 233697     17:52:19.4 -19:07:19  7.6  0.02 142
578992         17:52:23.4 -19:07:26 16.5       142
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:19 UT

Marc W. Buie, Southwest Research Institute

RECON