RECON: TNO occultation with 578992

Event between (578992) 14JL80 and star GA0700:19374904 with event index number of 2783385

Geocentric closest approach at 2029/06/22 07:00:52 UTC

J2000 position of star is 17:48:05.4 -19:06:05
Equinox of date position of star is 17:49:32.0 -19:06:29
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 48 degrees from the moon. Moon is 81% illuminated.
Apparent brightness V=21.9

[RECON map]
Object is 28.7 AU from the Sun and 27.7 AU from the Earth.
Apparent velocity is 23.0 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 114 seconds.
The 1-sigma cross-track error in the shadow position is 1039 km.
The sky-plane scale is 20112.3 km/arcsec.

The object has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 8.7 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 578992, (2029/06/22 06:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 19.53  30
35Eta Oph      17:12:04.2 -15:45:33  2.6  9.61  40
PPM 233754     17:57:39.0 -18:48:16  6.5  1.87  50
PPM 233619     17:50:26.5 -19:47:13  8.2  0.69  48
PPM 233611     17:49:58.5 -19:09:43  9.6  0.06  48
578992         17:49:49.6 -19:06:33 16.8        49
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 27.2 km RECON observability=1.0 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 07:00:43 -14.5 AT Up 18.8 183.0 Really Low 06:50:44 - 07:10:41 6040
Kamloops 07:01:26 -14.6 AT Up 19.5 168.7 Really Low 06:51:27 - 07:11:24 5971
Kelowna 07:01:23 -15.6 AT Up 20.4 169.5 Low 06:51:25 - 07:11:22 5942
Peachland 07:01:24 -15.6 AT Up 20.5 169.2 Low 06:51:26 - 07:11:23 5937
Summerland 07:01:24 -15.8 AT Up 20.7 169.3 Low 06:51:26 - 07:11:23 5931
Penticton 07:01:24 -15.9 AT Up 20.7 169.4 Low 06:51:26 - 07:11:23 5928
Oliver 07:01:24 -16.2 AT Up 21.1 169.4 Low 06:51:26 - 07:11:23 5914
Anarchist Mountain Observatory 07:01:23 -16.4 AT Up 21.3 169.6 Low 06:51:25 - 07:11:22 5908
Okanogan 07:01:25 -17.0 AT Up 21.9 169.3 Low 06:51:26 - 07:11:23 5879
Victoria 07:01:37 -16.2 AT Up 21.2 165.5 Low 06:51:38 - 07:11:35 5868
Brewster 07:01:26 -17.2 AT Up 22.1 169.1 Low 06:51:27 - 07:11:24 5867
Manson/Chelan 07:01:27 -17.4 AT Up 22.3 168.7 Low 06:51:28 - 07:11:25 5856
Wenatchee 07:01:28 -17.8 AT Up 22.7 168.5 Low 06:51:29 - 07:11:26 5834
Ellensburg 07:01:29 -18.2 Dark Up 23.1 168.2 Low 06:51:30 - 07:11:27 5815
Yakima 07:01:29 -18.6 Dark Up 23.5 168.2 Low 06:51:31 - 07:11:28 5796
Toppenish/White Swan 07:01:29 -18.8 Dark Up 23.7 168.3 Low 06:51:30 - 07:11:27 5787
PNWRO 07:01:24 -19.4 Dark Up 24.3 169.8 Low 06:51:26 - 07:11:23 5776
The Dalles 07:01:33 -19.4 Dark Up 24.4 167.5 Low 06:51:34 - 07:11:31 5746
Maupin 07:01:32 -19.8 Dark Up 24.8 167.5 Low 06:51:33 - 07:11:30 5727
Sisters 07:01:34 -20.6 Dark Up 25.6 166.9 Low 06:51:36 - 07:11:33 5682
Bend 07:01:33 -20.8 Dark Up 25.9 167.2 Low 06:51:35 - 07:11:32 5671
Oregon Observatory 07:01:34 -21.0 Dark Up 26.0 167.0 Low 06:51:36 - 07:11:33 5662
Chiloquin 07:01:36 -22.2 Dark Up 27.2 166.5 Low 06:51:38 - 07:11:35 5591
Klamath Falls 07:01:36 -22.5 Dark Up 27.6 166.5 Low 06:51:38 - 07:11:35 5573
Cedarville 07:01:31 -23.5 Dark Up 28.5 168.1 Low 06:51:33 - 07:11:30 5543
Fall River/Burney 07:01:36 -23.7 Dark Up 28.8 166.8 Low 06:51:37 - 07:11:34 5510
Dunrhomin 07:00:38 -26.3 Dark Up 30.5 184.1 Up 06:50:40 - 07:10:37 5489
Nikitin 07:00:39 -26.5 Dark Up 30.7 184.1 Up 06:50:40 - 07:10:37 5479
CU-SBO 07:00:39 -26.6 Dark Up 30.8 184.0 Up 06:50:40 - 07:10:37 5476
Gimple 07:01:35 -24.7 Dark Up 29.8 167.2 Low 06:51:36 - 07:11:33 5462
Greenville 07:01:35 -24.7 Dark Up 29.7 167.1 Low 06:51:37 - 07:11:34 5462
Quincy 07:01:35 -24.9 Dark Up 29.9 167.1 Low 06:51:37 - 07:11:34 5450
Portola 07:01:34 -25.1 Dark Up 30.1 167.6 Up 06:51:35 - 07:11:32 5445
Reno 07:01:31 -25.5 Dark Up 30.5 168.2 Up 06:51:33 - 07:11:30 5433
Carson City 07:01:31 -25.8 Dark Up 30.9 168.2 Up 06:51:33 - 07:11:30 5412
Yerington 07:01:29 -26.2 Dark Up 31.1 168.9 Up 06:51:31 - 07:11:28 5403
Gardnerville 07:01:31 -26.1 Dark Up 31.1 168.2 Up 06:51:33 - 07:11:30 5398
Hawthorne 07:01:28 -26.7 Dark Up 31.7 169.4 Up 06:51:29 - 07:11:26 5378
Lee Vining 07:01:30 -27.2 Dark Up 32.2 168.8 Up 06:51:31 - 07:11:28 5343
Bishop 07:01:28 -27.9 Dark Up 32.9 169.5 Up 06:51:29 - 07:11:26 5309
Beatty 07:01:21 -28.6 Dark Up 33.5 171.3 Up 06:51:23 - 07:11:20 5286
Patrick 07:01:11 -30.5 Dark Up 35.3 174.4 Up 06:51:12 - 07:11:09 5199
Laughlin/Bullhead City 07:01:14 -30.7 Dark Up 35.5 173.6 Up 06:51:15 - 07:11:12 5181
Lake Havasu City 07:01:13 -31.4 Dark Up 36.2 173.8 Up 06:51:14 - 07:11:11 5137
Wildwood 07:01:30 -31.0 Dark Up 36.0 168.9 Up 06:51:31 - 07:11:28 5098
George/Scottsdale 07:01:04 -32.5 Dark Up 37.1 176.6 Up 06:51:05 - 07:11:02 5090
Idyllwild 07:01:23 -31.7 Dark Up 36.7 171.0 Up 06:51:24 - 07:11:21 5082
Calipatria 07:01:19 -32.5 Dark Up 37.4 172.3 Up 06:51:20 - 07:11:17 5043
Yuma 07:01:15 -33.1 Dark Up 37.9 173.3 Up 06:51:16 - 07:11:13 5015

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, (2029/06/22 06:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.53  30
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.61  40
PPM 233754     17:55:55.0 -18:48:08  6.5  1.87  50
PPM 233619     17:48:41.7 -19:46:46  8.2  0.69  48
PPM 233611     17:48:14.2 -19:09:14  9.6  0.06  48
578992         17:48:05.4 -19:06:05 16.8        48
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:02:41 UT

Marc W. Buie, Southwest Research Institute

RECON