RECON: TNO occultation with 468861

Event between (468861) 13LU28 and star GA0980:01140142 with event index number of 2656030

Geocentric closest approach at 2026/11/25 06:14:20 UTC

J2000 position of star is 05:57:03.6 +09:13:06
Equinox of date position of star is 05:58:24.2 +09:13:11
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 26 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=18.4

[RECON map]
Object is 10.1 AU from the Sun and 9.2 AU from the Earth.
Apparent velocity is 36.9 km/sec on the sky relative to the star, or, 19.9 arcsec/hr.
The 1-sigma error in the time of the event is 15 seconds.
The 1-sigma cross-track error in the shadow position is 1057 km.
The sky-plane scale is 6662.4 km/arcsec.

The object has an absolute magnitude Hv=8.3
Diameter=128.2 km assuming a 5% albedo -- 3.6 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 468861, (2026/11/25 06:14UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:37.7 +07:24:35  0.4  1.87  27
Bellatrix      05:26:34.5 +06:22:18  1.6  8.41  23
PPM 149523     05:51:31.6 +09:52:37  6.4  1.85  24
PPM 149689     05:59:02.0 +09:34:56  8.1  0.38  25
PPM 149700     05:59:34.3 +09:17:00  9.3  0.26  26
PPM 149670     05:58:03.6 +09:03:29 10.4  0.20  26
468861         05:58:32.2 +09:13:11 14.7        26
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 5.0 sigma about the mid-time.
The median site spacing is 21.4 km RECON observability=1.0 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)
Kamloops 06:14:46 -54.9 Dark Up 30.8 115.6 Up 06:13:02 - 06:16:31 6619
Victoria 06:15:06 -55.1 Dark Up 29.9 111.7 Low 06:13:22 - 06:16:51 6571
Peachland 06:14:46 -55.8 Dark Up 31.5 115.7 Up 06:13:02 - 06:16:31 6563
Kelowna 06:14:46 -55.9 Dark Up 31.6 116.0 Up 06:13:02 - 06:16:31 6559
Summerland 06:14:46 -56.0 Dark Up 31.6 115.7 Up 06:13:02 - 06:16:31 6554
Penticton 06:15:00 -56.1 Dark Up 31.8 115.8 Up 06:13:15 - 06:16:44 6529
Oliver 06:15:01 -56.4 Dark Up 31.9 115.6 Up 06:13:16 - 06:16:45 6511
Anarchist Mountain Observatory 06:15:01 -56.6 Dark Up 32.1 115.7 Up 06:13:16 - 06:16:45 6497
Okanogan 06:15:02 -57.0 Dark Up 32.2 115.1 Up 06:13:18 - 06:16:47 6469
Brewster 06:15:04 -57.1 Dark Up 32.2 114.8 Up 06:13:19 - 06:16:48 6459
Manson/Chelan 06:15:04 -57.1 Dark Up 32.1 114.3 Up 06:13:20 - 06:16:49 6457
Wenatchee 06:15:06 -57.4 Dark Up 32.2 113.9 Up 06:13:21 - 06:16:50 6436
Ellensburg 06:15:07 -57.6 Dark Up 32.2 113.5 Up 06:13:23 - 06:16:52 6419
Yakima 06:15:08 -57.9 Dark Up 32.4 113.2 Up 06:13:24 - 06:16:53 6397
Toppenish/White Swan 06:15:08 -58.1 Dark Up 32.6 113.3 Up 06:13:24 - 06:16:53 6381
The Dalles 06:15:11 -58.2 Dark Up 32.4 112.1 Up 06:13:27 - 06:16:56 6358
Maupin 06:15:12 -58.6 Dark Up 32.6 111.9 Up 06:13:27 - 06:16:56 6331
PNWRO 06:15:08 -59.1 Dark Up 33.7 114.4 Up 06:13:23 - 06:16:52 6321
Sleaford 06:14:38 -57.9 Dark Up 37.5 131.0 Up 06:12:53 - 06:16:22 6320
Sisters 06:15:15 -58.9 Dark Up 32.6 111.0 Up 06:13:30 - 06:16:59 6294
Bend 06:15:15 -59.2 Dark Up 32.9 111.1 Up 06:13:30 - 06:16:59 6273
Oregon Observatory 06:15:15 -59.3 Dark Up 32.8 110.9 Up 06:13:31 - 06:17:00 6267
Chiloquin 06:15:19 -59.9 Dark Up 33.0 109.7 Up 06:13:34 - 06:17:03 6199
Klamath Falls 06:15:20 -60.2 Dark Up 33.2 109.6 Up 06:13:35 - 06:17:04 6176
Fall River/Burney 06:15:22 -61.1 Dark Up 33.9 109.2 Up 06:13:38 - 06:17:07 6091
Cedarville 06:15:20 -61.5 Dark Up 34.6 110.5 Up 06:13:35 - 06:17:04 6088
Greenville 06:15:24 -61.9 Dark Up 34.5 109.0 Up 06:13:39 - 06:17:08 6021
Gimple 06:15:24 -62.0 Dark Up 34.5 109.0 Up 06:13:39 - 06:17:08 6018
Quincy 06:15:24 -62.1 Dark Up 34.6 108.8 Up 06:13:40 - 06:17:09 6008
Portola 06:15:24 -62.4 Dark Up 34.9 109.1 Up 06:13:39 - 06:17:08 5986
Reno 06:15:24 -63.0 Dark Up 35.5 109.5 Up 06:13:39 - 06:17:08 5950
Carson City 06:15:25 -63.2 Dark Up 35.6 109.3 Up 06:13:40 - 06:17:09 5925
Gardnerville 06:15:25 -63.4 Dark Up 35.8 109.2 Up 06:13:41 - 06:17:10 5907
Yerington 06:15:24 -63.7 Dark Up 36.2 109.7 Up 06:13:40 - 06:17:09 5893
Hawthorne 06:15:25 -64.3 Dark Up 36.7 109.8 Up 06:13:40 - 06:17:09 5846
Lee Vining 06:15:26 -64.4 Dark Up 36.5 109.0 Up 06:13:42 - 06:17:11 5823
Bishop 06:15:27 -65.2 Dark Up 37.3 109.2 Up 06:13:42 - 06:17:11 5759
Beatty 06:15:25 -66.5 Dark Up 38.7 110.1 Up 06:13:41 - 06:17:10 5676
Dunrhomin 06:15:01 -69.3 Dark Up 45.2 123.7 Up 06:13:17 - 06:16:46 5550
Nikitin 06:15:01 -69.5 Dark Up 45.3 123.5 Up 06:13:17 - 06:16:46 5538
CU-SBO 06:15:01 -69.5 Dark Up 45.3 123.3 Up 06:13:17 - 06:16:46 5535
Wildwood 06:15:34 -66.8 Dark Up 38.2 106.6 Up 06:13:49 - 06:17:18 5530
Laughlin/Bullhead City 06:15:26 -69.0 Dark Up 40.9 110.6 Up 06:13:42 - 06:17:11 5481
Patrick 06:15:25 -69.3 Dark Up 41.4 111.4 Up 06:13:40 - 06:17:09 5477
Idyllwild 06:15:33 -68.4 Dark Up 39.8 107.8 Up 06:13:48 - 06:17:17 5444
Lake Havasu City 06:15:27 -69.6 Dark Up 41.4 110.2 Up 06:13:43 - 06:17:12 5423
Calipatria 06:15:32 -69.5 Dark Up 40.9 108.2 Up 06:13:47 - 06:17:16 5358
Yuma 06:15:32 -70.4 Dark Up 41.7 108.5 Up 06:13:47 - 06:17:16 5296
George/Scottsdale 06:15:25 -71.6 Dark Up 43.5 111.6 Up 06:13:40 - 06:17:09 5282

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 468861, (2026/11/25 06:14UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  1.87  27
Bellatrix      05:25:07.8 +06:20:58  1.6  8.41  23
PPM 149523     05:50:02.7 +09:52:15  6.4  1.85  24
PPM 149689     05:57:33.2 +09:34:52  8.1  0.38  25
PPM 149700     05:58:05.7 +09:16:57  9.3  0.26  26
PPM 149670     05:56:35.2 +09:03:23 10.4  0.20  26
468861         05:57:03.6 +09:13:06 14.7        26
Positions are for J2000

Event circumstances last updated at 2024/06/20 21:25:55 UT

Marc W. Buie, Southwest Research Institute

RECON