RECON: TNO occultation with 469362

Event between (469362) 01KB77 and star GA0820:15214922 with event index number of 1671620

Geocentric closest approach at 2027/03/05 11:43:35 UTC

J2000 position of star is 18:52:56.7 -07:57:27
Equinox of date position of star is 18:54:16.4 -07:55:33
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 32 degrees from the moon. Moon is 8% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 28.4 AU from the Sun and 28.9 AU from the Earth.
Apparent velocity is 22.6 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 347 seconds.
The 1-sigma cross-track error in the shadow position is 4081 km.
The sky-plane scale is 20944.5 km/arcsec.

The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 7.6 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469362, (2027/03/05 11:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:04.7 -26:29:23  0.9 38.73  62
Nunki          18:56:56.9 -26:15:37  2.0 18.35  30
Eta Sct        18:58:30.9 -05:48:32  4.8  2.35  32
PPM 202192     18:51:48.5 -07:52:27  6.6  0.65  33
PPM 202259     18:54:35.1 -07:49:08  9.4  0.11  32
469362         18:54:25.2 -07:55:20 14.6        32
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 2.6 sigma about the mid-time.
The median site spacing is 28.2 km RECON observability=0.1 and success probability=1.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 11:42:44 -27.7 Dark Down 9.1 114.7 Really Low 11:27:44 - 11:57:44 6898
Kelowna 11:42:41 -27.6 Dark Down 10.0 115.3 Really Low 11:27:41 - 11:57:41 6872
Peachland 11:42:40 -27.8 Dark Down 9.9 115.0 Really Low 11:27:40 - 11:57:40 6871
Summerland 11:42:40 -27.8 Dark Down 10.0 115.1 Really Low 11:27:40 - 11:57:40 6866
Penticton 11:42:41 -27.8 Dark Down 10.1 115.2 Really Low 11:27:41 - 11:57:41 6864
Oliver 11:42:38 -28.0 Dark Down 10.2 115.1 Really Low 11:27:38 - 11:57:38 6854
Victoria 11:42:30 -30.5 Dark Down 8.1 111.9 Really Low 11:27:30 - 11:57:30 6851
Anarchist Mountain Observatory 11:42:38 -27.9 Dark Down 10.4 115.2 Really Low 11:27:38 - 11:57:38 6849
Okanogan 11:42:35 -28.3 Dark Down 10.6 114.9 Really Low 11:27:35 - 11:57:35 6830
Brewster 11:42:33 -28.6 Dark Down 10.5 114.7 Really Low 11:27:33 - 11:57:33 6823
Manson/Chelan 11:42:31 -28.9 Dark Down 10.4 114.4 Really Low 11:27:31 - 11:57:31 6819
Sleaford 11:43:13 -18.8 Dark Down 16.2 127.4 Really Low 11:28:13 - 11:58:13 6813
Wenatchee 11:42:29 -29.2 Dark Down 10.5 114.2 Really Low 11:27:29 - 11:57:29 6805
Ellensburg 11:42:29 -29.5 Dark Down 10.5 113.9 Really Low 11:27:29 - 11:57:29 6793
Yakima 11:42:26 -29.7 Dark Down 10.7 113.8 Really Low 11:27:26 - 11:57:26 6780
Toppenish/White Swan 11:42:25 -29.7 Dark Down 10.9 113.9 Really Low 11:27:25 - 11:57:25 6772
PNWRO 11:42:27 -28.9 Dark Down 12.0 115.0 Really Low 11:27:27 - 11:57:27 6751
The Dalles 11:42:20 -30.5 Dark Down 10.6 113.2 Really Low 11:27:20 - 11:57:20 6749
Maupin 11:42:19 -30.7 Dark Down 10.9 113.2 Really Low 11:27:19 - 11:57:19 6734
Sisters 11:42:15 -31.4 Dark Down 10.9 112.6 Really Low 11:27:15 - 11:57:15 6705
Bend 11:42:13 -31.3 Dark Down 11.1 112.8 Really Low 11:27:13 - 11:57:13 6695
Oregon Observatory 11:42:13 -31.5 Dark Down 11.1 112.6 Really Low 11:27:13 - 11:57:13 6689
Chiloquin 11:42:06 -32.3 Dark Down 11.3 112.1 Really Low 11:27:06 - 11:57:06 6639
Klamath Falls 11:42:06 -32.4 Dark Down 11.5 112.1 Really Low 11:27:06 - 11:57:06 6625
Cedarville 11:42:04 -31.6 Dark Down 12.9 113.1 Really Low 11:27:04 - 11:57:04 6589
Fall River/Burney 11:42:01 -32.6 Dark Down 12.2 112.1 Really Low 11:27:01 - 11:57:01 6574
Greenville 11:41:58 -32.6 Dark Down 12.8 112.2 Really Low 11:26:58 - 11:56:58 6532
Gimple 11:41:58 -32.6 Dark Down 12.9 112.3 Really Low 11:26:58 - 11:56:58 6532
Quincy 11:41:57 -32.7 Dark Down 12.9 112.2 Really Low 11:26:57 - 11:56:57 6523
Portola 11:41:57 -32.4 Dark Down 13.3 112.5 Really Low 11:26:57 - 11:56:57 6515
Reno 11:41:57 -32.1 Dark Down 13.9 112.9 Really Low 11:26:57 - 11:56:57 6499
Carson City 11:41:57 -32.2 Dark Down 14.0 112.8 Really Low 11:26:57 - 11:56:57 6483
Gardnerville 11:41:55 -32.2 Dark Down 14.2 112.8 Really Low 11:26:55 - 11:56:55 6471
Yerington 11:41:56 -31.8 Dark Down 14.6 113.2 Really Low 11:26:56 - 11:56:56 6470
Hawthorne 11:41:55 -31.5 Dark Down 15.1 113.5 Really Low 11:26:55 - 11:56:55 6444
Lee Vining 11:41:51 -32.1 Dark Down 15.0 113.0 Really Low 11:26:51 - 11:56:51 6421
Bishop 11:41:51 -31.8 Dark Down 15.7 113.3 Really Low 11:26:51 - 11:56:51 6386
Dunrhomin 11:42:30 -20.9 Dark Down 23.5 124.5 Low 11:27:30 - 11:57:30 6377
Nikitin 11:42:29 -21.0 Dark Down 23.6 124.4 Low 11:27:29 - 11:57:29 6369
CU-SBO 11:42:29 -21.1 Dark Down 23.6 124.3 Low 11:27:29 - 11:57:29 6367
Beatty 11:41:52 -30.7 Dark Down 17.1 114.4 Really Low 11:26:52 - 11:56:52 6351
Patrick 11:41:52 -28.8 Dark Down 19.9 115.9 Really Low 11:26:52 - 11:56:52 6247
Laughlin/Bullhead City 11:41:49 -29.4 Dark Down 19.4 115.4 Really Low 11:26:49 - 11:56:49 6240
Wildwood 11:41:37 -33.0 Dark Down 16.8 112.3 Really Low 11:26:37 - 11:56:37 6216
Lake Havasu City 11:41:48 -29.4 Dark Down 19.9 115.3 Really Low 11:26:48 - 11:56:48 6201
Idyllwild 11:41:39 -31.5 Dark Down 18.4 113.4 Really Low 11:26:39 - 11:56:39 6182
Calipatria 11:41:40 -30.7 Dark Down 19.6 114.0 Really Low 11:26:40 - 11:56:40 6136
George/Scottsdale 11:41:50 -27.6 Dark Down 22.1 116.8 Low 11:26:50 - 11:56:50 6131
Yuma 11:41:40 -30.1 Dark Down 20.4 114.5 Low 11:26:40 - 11:56:40 6103

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 469362, (2027/03/05 11:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 38.73  62
Nunki          18:55:15.9 -26:17:49  2.0 18.35  30
Eta Sct        18:57:03.8 -05:50:48  4.8  2.35  32
PPM 202192     18:50:20.1 -07:54:28  6.6  0.65  33
PPM 202259     18:53:06.6 -07:51:15  9.4  0.11  32
469362         18:52:56.7 -07:57:27 14.6        32
Positions are for J2000

Event circumstances last updated at 2024/06/21 21:27:12 UT

Marc W. Buie, Southwest Research Institute

RECON