RECON: TNO occultation with 613411

Event between (613411) 06HQ122 and star GA0780:05634145 with event index number of 2820893

Geocentric closest approach at 2028/03/04 10:05:26 UTC

J2000 position of star is 16:42:02.5 -10:15:13
Equinox of date position of star is 16:43:19.9 -10:17:49
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 164 degrees from the moon. Moon is 51% illuminated.
Apparent brightness V=23.0

[RECON map]
Object is 42.9 AU from the Sun and 42.9 AU from the Earth.
Apparent velocity is 8.6 km/sec on the sky relative to the star, or, 1.0 arcsec/hr.
The 1-sigma error in the time of the event is 495 seconds.
The 1-sigma cross-track error in the shadow position is 5227 km.
The sky-plane scale is 31087.7 km/arcsec.

The object has an absolute magnitude Hv=6.5
Diameter=295.1 km assuming a 5% albedo -- 34.4 sec chord
Diameter=120.5 km assuming a 30% albedo -- 14.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 613411, (2028/03/04 10:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:08.4 -26:29:31  0.9 16.45 175
13Zet Oph      16:38:42.8 -10:37:19  2.6  1.24 164
PPM 199862     16:40:19.8 -08:40:21  6.4  1.82 162
PPM 231966     16:40:32.1 -10:19:06  8.2  0.75 164
PPM 232059     16:44:26.3 -10:30:09  9.3  0.29 164
613411         16:43:35.6 -10:18:20 16.5       164
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 1.8 sigma about the mid-time.
The median site spacing is 18.3 km RECON observability=0.3 and success probability=2.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Fall River/Burney 10:08:54 -47.1 Dark Down 16.7 120.5 Really Low 09:53:54 - 10:23:54 7370
Quincy 10:08:46 -47.7 Dark Down 17.5 120.5 Really Low 09:53:46 - 10:23:46 7369
Greenville 10:08:50 -47.6 Dark Down 17.4 120.6 Really Low 09:53:50 - 10:23:50 7367
Klamath Falls 10:09:03 -46.4 Dark Down 15.9 120.5 Really Low 09:54:03 - 10:24:03 7366
Gimple 10:08:46 -47.5 Dark Down 17.5 120.7 Really Low 09:53:46 - 10:23:46 7364
Chiloquin 10:09:08 -46.2 Dark Down 15.7 120.6 Really Low 09:54:08 - 10:24:08 7363
Portola 10:08:46 -47.5 Dark Down 17.9 120.9 Really Low 09:53:46 - 10:23:46 7355
Gardnerville 10:08:35 -47.8 Dark Down 18.8 121.1 Really Low 09:53:35 - 10:23:35 7338
Carson City 10:08:46 -47.6 Dark Down 18.7 121.2 Really Low 09:53:46 - 10:23:46 7338
Reno 10:08:42 -47.4 Dark Down 18.5 121.3 Really Low 09:53:42 - 10:23:42 7335
Oregon Observatory 10:09:25 -45.0 Dark Down 15.3 121.3 Really Low 09:54:25 - 10:24:25 7328
Sisters 10:09:28 -44.7 Dark Down 15.0 121.3 Really Low 09:54:28 - 10:24:28 7325
Cedarville 10:09:07 -46.1 Dark Down 17.3 121.6 Really Low 09:54:07 - 10:24:07 7324
Lee Vining 10:08:32 -48.1 Dark Down 19.7 121.3 Really Low 09:53:32 - 10:23:32 7324
Bend 10:09:26 -44.8 Dark Down 15.3 121.4 Really Low 09:54:26 - 10:24:26 7321
Yerington 10:08:40 -47.4 Dark Down 19.2 121.6 Really Low 09:53:40 - 10:23:40 7317
Wildwood 10:07:50 -50.3 Dark Down 22.0 120.3 Low 09:52:50 - 10:22:50 7315
Hawthorne 10:08:39 -47.4 Dark Down 19.8 121.9 Really Low 09:53:39 - 10:23:39 7301
Bishop 10:08:25 -48.1 Dark Down 20.5 121.7 Low 09:53:25 - 10:23:25 7300
Maupin 10:09:43 -43.8 Dark Down 14.9 121.9 Really Low 09:54:43 - 10:24:43 7292
The Dalles 10:09:46 -43.5 Dark Down 14.6 121.9 Really Low 09:54:46 - 10:24:46 7287
Victoria 10:10:07 -42.2 Dark Up 11.8 120.8 Really Low 09:55:07 - 10:25:07 7280
Yakima 10:09:57 -42.5 Dark Up 14.5 122.7 Really Low 09:54:57 - 10:24:57 7247
Toppenish/White Swan 10:10:03 -42.6 Dark Down 14.7 122.8 Really Low 09:55:03 - 10:25:03 7246
Idyllwild 10:07:54 -49.3 Dark Down 23.5 121.6 Low 09:52:54 - 10:22:54 7241
Beatty 10:08:32 -47.3 Dark Down 21.9 122.8 Low 09:53:32 - 10:23:32 7239
Ellensburg 10:10:01 -42.2 Dark Up 14.3 122.8 Really Low 09:55:01 - 10:25:01 7237
Wenatchee 10:10:05 -41.7 Dark Up 14.2 123.1 Really Low 09:55:05 - 10:25:05 7221
PNWRO 10:09:57 -42.1 Dark Down 15.8 124.0 Really Low 09:54:57 - 10:24:57 7207
Manson/Chelan 10:10:11 -41.3 Dark Up 14.0 123.4 Really Low 09:55:11 - 10:25:11 7205
Brewster 10:10:21 -41.0 Dark Up 14.1 123.8 Really Low 09:55:21 - 10:25:21 7189
Calipatria 10:07:53 -48.8 Dark Down 24.7 122.2 Low 09:52:53 - 10:22:53 7188
Okanogan 10:10:24 -40.7 Dark Up 14.1 124.0 Really Low 09:55:24 - 10:25:24 7176
Oliver 10:10:30 -40.0 Dark Up 13.7 124.2 Really Low 09:55:30 - 10:25:30 7155
Anarchist Mountain Observatory 10:10:28 -40.1 Dark Up 13.9 124.3 Really Low 09:55:28 - 10:25:28 7154
Laughlin/Bullhead City 10:08:25 -46.9 Dark Down 24.3 123.8 Low 09:53:25 - 10:23:25 7151
Yuma 10:07:57 -48.4 Dark Down 25.5 122.8 Low 09:52:57 - 10:22:57 7148
Summerland 10:10:33 -39.7 Dark Up 13.4 124.2 Really Low 09:55:33 - 10:25:33 7147
Peachland 10:10:35 -39.7 Dark Up 13.3 124.2 Really Low 09:55:35 - 10:25:35 7146
Penticton 10:10:39 -39.7 Dark Up 13.5 124.3 Really Low 09:55:39 - 10:25:39 7145
Lake Havasu City 10:08:18 -47.1 Dark Down 24.8 123.8 Low 09:53:18 - 10:23:18 7140
Kamloops 10:10:42 -39.2 Dark Up 12.4 123.8 Really Low 09:55:42 - 10:25:42 7137
Kelowna 10:10:39 -39.4 Dark Up 13.4 124.4 Really Low 09:55:39 - 10:25:39 7134
Patrick 10:08:30 -46.3 Dark Down 24.7 124.5 Low 09:53:30 - 10:23:30 7121
George/Scottsdale 10:08:19 -45.8 Dark Down 27.0 125.4 Low 09:53:19 - 10:23:19 7027
CU-SBO 10:10:06 -37.8 Dark Down 27.3 134.0 Low 09:55:06 - 10:25:06 6713
Nikitin 10:10:07 -37.7 Dark Down 27.3 134.1 Low 09:55:07 - 10:25:07 6709
Dunrhomin 10:10:07 -37.6 Dark Down 27.2 134.2 Low 09:55:07 - 10:25:07 6707
Sleaford 10:11:49 -31.5 Dark Down 18.5 137.3 Really Low 09:56:49 - 10:26:49 6607

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 613411, (2028/03/04 10:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.45 175
13Zet Oph      16:37:09.6 -10:34:01  2.6  1.24 164
PPM 199862     16:38:47.7 -08:37:07  6.4  1.82 162
PPM 231966     16:38:59.0 -10:15:53  8.2  0.75 164
PPM 232059     16:42:53.1 -10:27:04  9.3  0.29 164
613411         16:42:02.5 -10:15:13 16.5       164
Positions are for J2000

Event circumstances last updated at 2023/05/30 02:50:27 UT

Marc W. Buie, Southwest Research Institute

RECON