RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:27426474 with event index number of 2801370

Geocentric closest approach at 2029/07/16 04:42:52 UTC

J2000 position of star is 17:50:58.4 -30:52:54
Equinox of date position of star is 17:52:33.2 -30:53:11
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 95 degrees from the moon. Moon is 24% illuminated.
Apparent brightness V=20.7

[RECON map]
Object is 13.1 AU from the Sun and 12.2 AU from the Earth.
Apparent velocity is 16.2 km/sec on the sky relative to the star, or, 6.6 arcsec/hr.
The 1-sigma error in the time of the event is 207 seconds.
The 1-sigma cross-track error in the shadow position is 650 km.
The sky-plane scale is 8866.7 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 4.7 sec chord
Diameter=30.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/07/16 04:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.4 -26:29:41  0.9 18.41  77
34Ups Sco      17:32:46.5 -37:18:58  2.7  7.66  91
PPM 296839     17:51:05.7 -31:42:37  4.9  0.91  95
PPM 296878     17:52:44.9 -30:57:42  8.4  0.08  95
543377         17:52:52.8 -30:53:14 16.9        96
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 4.3 sigma about the mid-time.
The median site spacing is 22.9 km RECON observability=0.2 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 04:44:48 -10.1 NT Down 6.7 173.0 Really Low 04:29:48 - 04:59:48 8330
Dunrhomin 04:44:48 -20.1 Dark Down 18.5 173.3 Really Low 04:29:48 - 04:59:48 8026
Nikitin 04:44:49 -20.3 Dark Down 18.7 173.3 Really Low 04:29:49 - 04:59:49 8019
CU-SBO 04:44:50 -20.3 Dark Down 18.8 173.2 Really Low 04:29:50 - 04:59:50 8015
Kelowna 04:45:42 -6.4 NT Up 7.0 161.5 Really Low 04:30:42 - 05:00:42 7964
Kamloops 04:45:44 -5.4 CT Up 6.1 160.8 Really Low 04:30:44 - 05:00:44 7961
Peachland 04:45:44 -6.4 NT Up 7.1 161.3 Really Low 04:30:44 - 05:00:44 7953
Penticton 04:45:43 -6.6 NT Up 7.3 161.5 Really Low 04:30:43 - 05:00:43 7952
Summerland 04:45:43 -6.5 NT Up 7.2 161.4 Really Low 04:30:43 - 05:00:43 7951
Anarchist Mountain Observatory 04:45:43 -7.1 NT Up 7.9 161.6 Really Low 04:30:43 - 05:00:43 7943
Oliver 04:45:43 -6.8 NT Up 7.7 161.4 Really Low 04:30:43 - 05:00:43 7942
Okanogan 04:45:44 -7.4 NT Up 8.4 161.4 Really Low 04:30:44 - 05:00:44 7918
Brewster 04:45:46 -7.5 NT Up 8.6 161.2 Really Low 04:30:46 - 05:00:46 7904
Manson/Chelan 04:45:48 -7.5 NT Up 8.8 160.9 Really Low 04:30:48 - 05:00:48 7887
Wenatchee 04:45:50 -7.7 NT Up 9.2 160.7 Really Low 04:30:50 - 05:00:50 7867
PNWRO 04:45:46 -9.4 NT Up 10.8 161.9 Really Low 04:30:46 - 05:00:46 7863
Ellensburg 04:45:51 -7.9 NT Up 9.5 160.5 Really Low 04:30:51 - 05:00:51 7847
Yakima 04:45:51 -8.2 NT Up 9.9 160.5 Really Low 04:30:51 - 05:00:51 7833
Toppenish/White Swan 04:45:51 -8.4 NT Up 10.1 160.6 Really Low 04:30:51 - 05:00:51 7831
Victoria 04:45:59 -5.5 CT Up 7.4 158.2 Really Low 04:30:59 - 05:00:59 7811
The Dalles 04:45:55 -8.5 NT Up 10.7 159.9 Really Low 04:30:55 - 05:00:55 7780
Maupin 04:45:56 -8.9 NT Up 11.1 160.0 Really Low 04:30:56 - 05:00:56 7769
Sisters 04:45:59 -9.2 NT Up 11.8 159.5 Really Low 04:30:59 - 05:00:59 7721
Bend 04:45:59 -9.5 NT Up 12.1 159.7 Really Low 04:30:59 - 05:00:59 7721
Oregon Observatory 04:45:58 -9.6 NT Up 12.2 159.6 Really Low 04:30:58 - 05:00:58 7710
Cedarville 04:45:57 -11.8 NT Up 14.8 160.5 Really Low 04:30:57 - 05:00:57 7657
Chiloquin 04:46:02 -10.2 NT Up 13.4 159.2 Really Low 04:31:02 - 05:01:02 7645
Klamath Falls 04:46:02 -10.5 NT Up 13.7 159.2 Really Low 04:31:02 - 05:01:02 7633
Fall River/Burney 04:46:03 -11.5 NT Up 14.9 159.4 Really Low 04:31:03 - 05:01:03 7596
Reno 04:45:57 -13.4 AT Up 16.7 160.6 Really Low 04:30:57 - 05:00:57 7583
Patrick 04:45:32 -19.6 Dark Up 22.0 165.3 Low 04:30:32 - 05:00:32 7580
Yerington 04:45:55 -14.1 AT Up 17.4 161.1 Really Low 04:30:55 - 05:00:55 7579
Hawthorne 04:45:52 -14.8 AT Up 18.0 161.5 Really Low 04:30:52 - 05:00:52 7576
Gimple 04:46:02 -12.4 AT Up 15.9 159.8 Really Low 04:31:02 - 05:01:02 7574
Portola 04:46:00 -12.9 AT Up 16.3 160.1 Really Low 04:31:00 - 05:01:00 7573
Greenville 04:46:02 -12.4 AT Up 15.9 159.7 Really Low 04:31:02 - 05:01:02 7571
Carson City 04:45:58 -13.7 AT Up 17.1 160.6 Really Low 04:30:58 - 05:00:58 7567
Quincy 04:46:01 -12.5 AT Up 16.1 159.7 Really Low 04:31:01 - 05:01:01 7563
Beatty 04:45:46 -16.9 AT Up 20.0 162.9 Really Low 04:30:46 - 05:00:46 7560
Gardnerville 04:45:58 -13.9 AT Up 17.3 160.6 Really Low 04:30:58 - 05:00:58 7558
George/Scottsdale 04:45:23 -22.0 Dark Up 24.1 166.9 Low 04:30:23 - 05:00:23 7557
Laughlin/Bullhead City 04:45:35 -19.4 Dark Up 22.1 164.6 Low 04:30:35 - 05:00:35 7545
Lee Vining 04:45:55 -14.9 AT Up 18.4 161.0 Really Low 04:30:55 - 05:00:55 7534
Bishop 04:45:53 -15.7 AT Up 19.1 161.6 Really Low 04:30:53 - 05:00:53 7529
Lake Havasu City 04:45:35 -20.0 Dark Up 22.8 164.8 Low 04:30:35 - 05:00:35 7520
Yuma 04:45:37 -21.1 Dark Up 24.5 164.3 Low 04:30:37 - 05:00:37 7416
Calipatria 04:45:42 -20.3 Dark Up 23.9 163.6 Low 04:30:42 - 05:00:42 7410
Idyllwild 04:45:47 -19.2 Dark Up 23.0 162.6 Low 04:30:47 - 05:00:47 7404
Wildwood 04:45:56 -17.8 AT Up 22.2 161.0 Low 04:30:56 - 05:00:56 7358

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 543377, (2029/07/16 04:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.41  77
34Ups Sco      17:30:45.8 -37:17:46  2.7  7.66  91
PPM 296839     17:49:10.5 -31:42:12  4.9  0.91  95
PPM 296878     17:50:50.4 -30:57:20  8.4  0.08  95
543377         17:50:58.4 -30:52:54 16.9        95
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:04:43 UT

Marc W. Buie, Southwest Research Institute

RECON