RECON: TNO occultation with 471155

Event between (471155) 10GF65 and star GA0520:22627522 with event index number of 2234685

Geocentric closest approach at 2024/06/18 07:38:44 UTC

J2000 position of star is 17:52:34.0 -36:25:41
Equinox of date position of star is 17:54:13.3 -36:25:55
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 46 degrees from the moon. Moon is 85% illuminated.
Apparent brightness V=20.8

[RECON map]
Object is 22.3 AU from the Sun and 21.3 AU from the Earth.
Apparent velocity is 22.0 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 550 seconds.
The 1-sigma cross-track error in the shadow position is 1072 km.
The sky-plane scale is 15467.9 km/arcsec.

The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 9.6 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 471155, (2024/06/18 07:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.7 -26:29:03  0.9 20.30  27
Kap Sco        17:44:10.9 -39:02:24  2.4  3.28  45
PPM 296992     17:56:47.5 -36:28:41  6.3  0.52  47
PPM 296904     17:53:21.3 -36:28:20  7.4  0.18  46
PPM 296919     17:53:55.9 -36:23:13  9.0  0.07  46
471155         17:54:13.3 -36:25:55 15.7        47
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 1.6 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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 07:38:23 -14.1 AT Up 1.2 186.1 Really Low 07:23:23 - 07:53:23 4477
Kamloops 07:39:07 -15.7 AT Up 2.7 174.6 Really Low 07:24:07 - 07:54:07 4471
Kelowna 07:39:05 -16.6 AT Up 3.6 175.3 Really Low 07:24:05 - 07:54:05 4470
Peachland 07:39:06 -16.7 AT Up 3.7 175.1 Really Low 07:24:06 - 07:54:06 4468
Summerland 07:39:06 -16.8 AT Up 3.8 175.2 Really Low 07:24:06 - 07:54:06 4467
Penticton 07:39:05 -16.9 AT Up 3.9 175.3 Really Low 07:24:05 - 07:54:05 4467
Anarchist Mountain Observatory 07:39:05 -17.4 AT Up 4.4 175.4 Really Low 07:24:05 - 07:54:05 4464
Oliver 07:39:05 -17.3 AT Up 4.2 175.3 Really Low 07:24:05 - 07:54:05 4464
Okanogan 07:39:06 -18.1 Dark Up 5.0 175.2 Really Low 07:24:06 - 07:54:06 4456
Brewster 07:39:06 -18.3 Dark Up 5.3 175.1 Really Low 07:24:06 - 07:54:06 4452
Manson/Chelan 07:39:07 -18.5 Dark Up 5.5 174.8 Really Low 07:24:07 - 07:54:07 4448
Wenatchee 07:39:08 -19.0 Dark Up 6.0 174.6 Really Low 07:24:08 - 07:54:08 4441
Ellensburg 07:39:09 -19.4 Dark Up 6.3 174.5 Really Low 07:24:09 - 07:54:09 4435
Victoria 07:39:18 -17.6 AT Up 4.6 172.2 Really Low 07:24:18 - 07:54:18 4434
PNWRO 07:39:04 -20.5 Dark Up 7.4 175.8 Really Low 07:24:04 - 07:54:04 4429
Yakima 07:39:10 -19.8 Dark Up 6.8 174.4 Really Low 07:24:10 - 07:54:10 4429
Toppenish/White Swan 07:39:09 -20.0 Dark Up 7.0 174.6 Really Low 07:24:09 - 07:54:09 4427
The Dalles 07:39:12 -20.7 Dark Up 7.7 173.9 Really Low 07:24:12 - 07:54:12 4410
Maupin 07:39:12 -21.1 Dark Up 8.1 174.0 Really Low 07:24:12 - 07:54:12 4404
Sisters 07:39:14 -22.0 Dark Up 9.0 173.6 Really Low 07:24:14 - 07:54:14 4387
Bend 07:39:13 -22.2 Dark Up 9.2 173.8 Really Low 07:24:13 - 07:54:13 4384
Oregon Observatory 07:39:14 -22.4 Dark Up 9.4 173.7 Really Low 07:24:14 - 07:54:14 4380
Chiloquin 07:39:16 -23.7 Dark Up 10.7 173.3 Really Low 07:24:16 - 07:54:16 4350
Klamath Falls 07:39:16 -24.0 Dark Up 11.0 173.4 Really Low 07:24:16 - 07:54:16 4343
Cedarville 07:39:10 -24.8 Dark Up 11.8 174.7 Really Low 07:24:10 - 07:54:10 4338
Fall River/Burney 07:39:15 -25.2 Dark Up 12.2 173.7 Really Low 07:24:15 - 07:54:15 4318
Dunrhomin 07:38:15 -25.8 Dark Up 12.9 186.8 Really Low 07:23:15 - 07:53:15 4300
Gimple 07:39:14 -26.2 Dark Up 13.2 174.1 Really Low 07:24:14 - 07:54:14 4299
Greenville 07:39:14 -26.2 Dark Up 13.1 174.0 Really Low 07:24:14 - 07:54:14 4298
Nikitin 07:38:15 -26.0 Dark Up 13.1 186.8 Really Low 07:23:15 - 07:53:15 4295
CU-SBO 07:38:15 -26.0 Dark Up 13.2 186.8 Really Low 07:23:15 - 07:53:15 4294
Portola 07:39:12 -26.5 Dark Up 13.5 174.4 Really Low 07:24:12 - 07:54:12 4293
Quincy 07:39:14 -26.4 Dark Up 13.3 174.0 Really Low 07:24:14 - 07:54:14 4293
Reno 07:39:10 -26.8 Dark Up 13.8 174.9 Really Low 07:24:10 - 07:54:10 4290
Carson City 07:39:10 -27.2 Dark Up 14.2 174.9 Really Low 07:24:10 - 07:54:10 4280
Yerington 07:39:08 -27.4 Dark Up 14.4 175.5 Really Low 07:24:08 - 07:54:08 4278
Gardnerville 07:39:10 -27.4 Dark Up 14.4 175.0 Really Low 07:24:10 - 07:54:10 4273
Hawthorne 07:39:06 -27.9 Dark Up 14.9 175.9 Really Low 07:24:06 - 07:54:06 4267
Lee Vining 07:39:07 -28.5 Dark Up 15.4 175.5 Really Low 07:24:07 - 07:54:07 4249
Bishop 07:39:05 -29.1 Dark Up 16.1 176.0 Really Low 07:24:05 - 07:54:05 4233
Beatty 07:38:59 -29.6 Dark Up 16.6 177.4 Really Low 07:23:59 - 07:53:59 4225
Patrick 07:38:47 -31.2 Dark Up 18.2 179.8 Really Low 07:23:47 - 07:53:47 4181
Laughlin/Bullhead City 07:38:51 -31.4 Dark Up 18.4 179.2 Really Low 07:23:51 - 07:53:51 4171
Lake Havasu City 07:38:49 -32.1 Dark Up 19.1 179.4 Really Low 07:23:49 - 07:53:49 4147
Wildwood 07:39:07 -32.4 Dark Up 19.3 175.8 Really Low 07:24:07 - 07:54:07 4120
George/Scottsdale 07:38:39 -32.8 Dark Up 19.8 181.5 Really Low 07:23:39 - 07:53:39 4119
Idyllwild 07:38:59 -32.8 Dark Up 19.8 177.4 Really Low 07:23:59 - 07:53:59 4115
Calipatria 07:38:54 -33.4 Dark Up 20.4 178.4 Low 07:23:54 - 07:53:54 4094
Yuma 07:38:51 -33.9 Dark Up 20.9 179.1 Low 07:23:51 - 07:53:51 4078

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 471155, (2024/06/18 07:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.30  27
Kap Sco        17:42:29.3 -39:01:49  2.4  3.28  45
PPM 296992     17:55:08.1 -36:28:32  6.3  0.52  47
PPM 296904     17:51:42.0 -36:28:04  7.4  0.18  46
PPM 296919     17:52:16.6 -36:22:58  9.0  0.07  46
471155         17:52:34.0 -36:25:41 15.7        46
Positions are for J2000

Event circumstances last updated at 2024/06/11 03:46:02 UT

Marc W. Buie, Southwest Research Institute

RECON