RECON: TNO occultation with 578834

Event between (578834) 14GF54 and star GA0580:09530010 with event index number of 2783197

Geocentric closest approach at 2029/06/22 04:40:16 UTC

J2000 position of star is 16:19:07.7 -30:34:42
Equinox of date position of star is 16:20:36.5 -30:38:01
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 30 degrees from the moon. Moon is 80% illuminated.
Apparent brightness V=22.3

[RECON map]
Object is 33.5 AU from the Sun and 32.6 AU from the Earth.
Apparent velocity is 21.7 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 196 seconds.
The 1-sigma cross-track error in the shadow position is 1575 km.
The sky-plane scale is 23639.9 km/arcsec.

The object has an absolute magnitude Hv=7.0
Diameter=236.6 km assuming a 5% albedo -- 11.1 sec chord
Diameter=96.6 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 578834, (2029/06/22 04:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9  4.72  31
23Tau Sco      16:37:43.4 -28:16:28  2.8  4.35  33
PPM 265498     16:26:31.1 -29:46:11  5.2  1.48  31
PPM 294957     16:23:07.4 -30:10:09  8.5  0.66  30
PPM 294909     16:20:46.5 -30:34:05  8.7  0.09  30
578834         16:20:59.5 -30:38:52 16.5        31
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 4.6 sigma about the mid-time.
The median site spacing is 21.2 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 04:41:57 -8.2 NT Up 6.9 171.7 Really Low 04:26:57 - 04:56:57 8396
Dunrhomin 04:41:58 -18.4 Dark Up 18.7 172.0 Really Low 04:26:58 - 04:56:58 8080
Nikitin 04:41:59 -18.5 Dark Up 18.9 172.0 Really Low 04:26:59 - 04:56:59 8072
CU-SBO 04:42:00 -18.6 Dark Up 18.9 171.9 Really Low 04:27:00 - 04:57:00 8067
Kelowna 04:42:38 -4.7 CT Up 7.0 160.2 Really Low 04:27:38 - 04:57:38 7983
Kamloops 04:42:40 -3.7 CT Up 6.1 159.5 Really Low 04:27:40 - 04:57:40 7980
Peachland 04:42:39 -4.6 CT Up 7.1 160.0 Really Low 04:27:39 - 04:57:39 7971
Penticton 04:42:39 -4.9 CT Up 7.3 160.2 Really Low 04:27:39 - 04:57:39 7971
Summerland 04:42:38 -4.8 CT Up 7.2 160.1 Really Low 04:27:38 - 04:57:38 7969
Anarchist Mountain Observatory 04:42:38 -5.3 CT Up 7.8 160.3 Really Low 04:27:38 - 04:57:38 7961
Oliver 04:42:38 -5.1 CT Up 7.6 160.1 Really Low 04:27:38 - 04:57:38 7960
Okanogan 04:42:40 -5.7 CT Up 8.4 160.1 Really Low 04:27:40 - 04:57:40 7933
Brewster 04:42:41 -5.8 CT Up 8.6 159.9 Really Low 04:27:41 - 04:57:41 7918
Manson/Chelan 04:42:42 -5.8 CT Up 8.7 159.6 Really Low 04:27:42 - 04:57:42 7900
Wenatchee 04:42:43 -6.0 NT Up 9.1 159.4 Really Low 04:27:43 - 04:57:43 7878
PNWRO 04:42:40 -7.7 NT Up 10.8 160.5 Really Low 04:27:40 - 04:57:40 7876
Ellensburg 04:42:44 -6.2 NT Up 9.5 159.2 Really Low 04:27:44 - 04:57:44 7857
Yakima 04:42:45 -6.5 NT Up 9.8 159.2 Really Low 04:27:45 - 04:57:45 7842
Toppenish/White Swan 04:42:44 -6.7 NT Up 10.1 159.3 Really Low 04:27:44 - 04:57:44 7840
Victoria 04:42:51 -3.8 CT Up 7.3 156.9 Really Low 04:27:51 - 04:57:51 7816
The Dalles 04:42:47 -6.9 NT Up 10.6 158.6 Really Low 04:27:47 - 04:57:47 7785
Maupin 04:42:48 -7.2 NT Up 11.0 158.7 Really Low 04:27:48 - 04:57:48 7773
Sisters 04:42:50 -7.6 NT Up 11.7 158.2 Really Low 04:27:50 - 04:57:50 7722
Bend 04:42:50 -7.9 NT Up 12.0 158.4 Really Low 04:27:50 - 04:57:50 7721
Oregon Observatory 04:42:51 -8.0 NT Up 12.1 158.3 Really Low 04:27:51 - 04:57:51 7710
Cedarville 04:42:48 -10.3 NT Up 14.7 159.1 Really Low 04:27:48 - 04:57:48 7656
Chiloquin 04:42:52 -8.6 NT Up 13.3 157.8 Really Low 04:27:52 - 04:57:52 7640
Klamath Falls 04:42:52 -8.9 NT Up 13.6 157.9 Really Low 04:27:52 - 04:57:52 7629
Patrick 04:42:31 -18.0 Dark Up 22.0 163.9 Low 04:27:31 - 04:57:31 7593
Fall River/Burney 04:42:53 -9.9 NT Up 14.8 158.1 Really Low 04:27:53 - 04:57:53 7590
Reno 04:42:48 -11.8 NT Up 16.6 159.2 Really Low 04:27:48 - 04:57:48 7580
Yerington 04:42:48 -12.6 AT Up 17.3 159.7 Really Low 04:27:48 - 04:57:48 7578
George/Scottsdale 04:42:24 -20.4 Dark Up 24.1 165.5 Low 04:27:24 - 04:57:24 7576
Hawthorne 04:42:45 -13.2 AT Up 17.9 160.1 Really Low 04:27:45 - 04:57:45 7575
Gimple 04:42:52 -10.9 NT Up 15.8 158.4 Really Low 04:27:52 - 04:57:52 7568
Portola 04:42:51 -11.3 NT Up 16.2 158.7 Really Low 04:27:51 - 04:57:51 7568
Greenville 04:42:52 -10.8 NT Up 15.8 158.3 Really Low 04:27:52 - 04:57:52 7565
Beatty 04:42:39 -15.4 AT Up 19.9 161.5 Really Low 04:27:39 - 04:57:39 7564
Carson City 04:42:50 -12.1 AT Up 17.0 159.2 Really Low 04:27:50 - 04:57:50 7564
Quincy 04:42:52 -11.0 NT Up 16.0 158.3 Really Low 04:27:52 - 04:57:52 7556
Laughlin/Bullhead City 04:42:34 -17.8 AT Up 22.1 163.3 Low 04:27:34 - 04:57:34 7555
Gardnerville 04:42:50 -12.3 AT Up 17.2 159.2 Really Low 04:27:50 - 04:57:50 7554
Lee Vining 04:42:47 -13.3 AT Up 18.3 159.6 Really Low 04:27:47 - 04:57:47 7530
Lake Havasu City 04:42:32 -18.5 Dark Up 22.8 163.4 Low 04:27:32 - 04:57:32 7530
Bishop 04:42:46 -14.2 AT Up 19.1 160.2 Really Low 04:27:46 - 04:57:46 7527
Yuma 04:42:34 -19.6 Dark Up 24.4 162.9 Low 04:27:34 - 04:57:34 7423
Calipatria 04:42:38 -18.8 Dark Up 23.8 162.2 Low 04:27:38 - 04:57:38 7413
Idyllwild 04:42:41 -17.7 AT Up 22.9 161.2 Low 04:27:41 - 04:57:41 7403
Wildwood 04:42:47 -16.3 AT Up 22.1 159.6 Low 04:27:47 - 04:57:47 7351

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 578834, (2029/06/22 04:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  4.72  31
23Tau Sco      16:35:52.9 -28:12:58  2.8  4.35  33
PPM 265498     16:24:39.9 -29:42:14  5.2  1.48  31
PPM 294957     16:21:16.0 -30:06:04  8.5  0.66  30
PPM 294909     16:18:54.8 -30:29:55  8.7  0.09  30
578834         16:19:07.7 -30:34:42 16.5        30
Positions are for J2000

Event circumstances last updated at 2023/06/08 00:55:03 UT

Marc W. Buie, Southwest Research Institute

RECON