RECON: TNO occultation with 533085

Event between (533085) 14BW64 and star GA1000:03392173 with event index number of 1605097

Geocentric closest approach at 2023/01/23 13:10:54 UTC

J2000 position of star is 09:55:09.9 +10:40:04
Equinox of date position of star is 09:56:14.5 +10:34:18
Stellar brightness G=13.9, use SENSEUP=64
Star is 173 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=26.0

[RECON map]
TNO is 39.2 AU from the Sun and 38.3 AU from the Earth.
The TNO is moving 23.0 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 142 seconds.
The 1-sigma cross-track error in the shadow position is 2626 km.
The sky-plane scale is 27804.6 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=302.0 km assuming a 5% albedo -- 2.6 sec chord
Diameter=123.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533085, (2023/01/23 13:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:35.9 +11:51:13  1.3  3.49 175
PPM 126849     09:52:03.6 +11:44:00  6.5  1.59 174
PPM 126943     09:57:36.1 +10:33:18  8.0  0.30 173
PPM 126939     09:57:20.4 +10:40:38  9.6  0.26 174
533085         09:56:23.8 +10:33:28 13.9       173
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 15.4 km RECON observability=1.0 and success probability=7.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 13:09:31 -24.2 Dark Down 32.0 245.8 Up 12:57:13 - 13:21:50 3952
Kelowna 13:09:29 -24.3 Dark Down 32.3 245.8 Up 12:57:10 - 13:21:47 3926
Peachland 13:09:29 -24.5 Dark Down 32.5 245.6 Up 12:57:10 - 13:21:47 3913
Summerland 13:09:29 -24.5 Dark Down 32.5 245.8 Up 12:57:10 - 13:21:47 3906
Penticton 13:09:28 -24.4 Dark Down 32.5 245.9 Up 12:57:09 - 13:21:46 3904
Oliver 13:09:27 -24.4 Dark Down 32.6 246.1 Up 12:57:08 - 13:21:45 3883
Anarchist Mountain Observatory 13:09:25 -24.2 Dark Down 32.6 246.4 Up 12:57:07 - 13:21:44 3877
Tonasket 13:09:24 -24.3 Dark Down 32.7 246.5 Up 12:57:06 - 13:21:43 3856
Okanogan 13:09:23 -24.4 Dark Down 33.0 246.6 Up 12:57:05 - 13:21:42 3832
Brewster 13:09:24 -24.5 Dark Down 33.2 246.6 Up 12:57:05 - 13:21:42 3811
Manson/Chelan 13:09:24 -24.7 Dark Down 33.5 246.4 Up 12:57:05 - 13:21:42 3789
Entiat 13:09:22 -24.8 Dark Down 33.6 246.4 Up 12:57:04 - 13:21:41 3774
Wenatchee 13:09:22 -24.8 Dark Down 33.8 246.5 Up 12:57:03 - 13:21:40 3755
Victoria 13:09:31 -26.9 Dark Down 35.2 242.9 Up 12:57:13 - 13:21:50 3755
Ellensburg 13:09:20 -25.0 Dark Down 34.1 246.5 Up 12:57:02 - 13:21:39 3724
Pasco 13:09:15 -24.0 Dark Down 33.5 248.3 Up 12:56:57 - 13:21:34 3709
PNWRO 13:09:15 -23.8 Dark Down 33.4 248.6 Up 12:56:56 - 13:21:33 3699
Yakima 13:09:20 -25.0 Dark Down 34.3 246.8 Up 12:57:01 - 13:21:38 3697
Toppenish/White Swan 13:09:18 -24.8 Dark Down 34.3 247.0 Up 12:57:00 - 13:21:37 3687
Goldendale 13:09:17 -25.1 Dark Down 34.8 247.0 Up 12:56:58 - 13:21:35 3641
Niwot 13:08:29 -13.1 AT Down 25.3 262.5 Low 12:56:11 - 13:20:48 3629
SwRI 13:08:29 -13.1 AT Down 25.4 262.5 Low 12:56:11 - 13:20:48 3619
The Dalles 13:09:17 -25.4 Dark Down 35.1 246.8 Up 12:56:58 - 13:21:35 3617
Maupin 13:09:15 -25.3 Dark Down 35.2 247.2 Up 12:56:56 - 13:21:33 3592
Redmond 13:09:12 -25.3 Dark Down 35.6 247.7 Up 12:56:54 - 13:21:31 3528
Sisters 13:09:13 -25.6 Dark Down 35.8 247.3 Up 12:56:54 - 13:21:31 3520
Bend 13:09:12 -25.4 Dark Down 35.8 247.7 Up 12:56:53 - 13:21:30 3510
Oregon Observatory 13:09:11 -25.5 Dark Down 35.9 247.7 Up 12:56:53 - 13:21:30 3495
La Pine/Gilchrist 13:09:12 -25.5 Dark Down 36.0 247.8 Up 12:56:54 - 13:21:31 3480
North Lake 13:09:09 -25.1 Dark Down 35.8 248.6 Up 12:56:50 - 13:21:27 3464
Paisley 13:09:06 -24.8 Dark Down 35.8 249.3 Up 12:56:47 - 13:21:24 3434
Lakeview 13:09:03 -24.6 Dark Down 35.8 249.8 Up 12:56:45 - 13:21:22 3403
Klamath Falls 13:09:06 -25.6 Dark Down 36.8 248.5 Up 12:56:48 - 13:21:25 3370
Cedarville 13:09:00 -24.4 Dark Down 35.9 250.4 Up 12:56:42 - 13:21:19 3361
Fall River/Burney 13:09:02 -25.3 Dark Down 36.9 249.6 Up 12:56:43 - 13:21:20 3294
Susanville 13:08:58 -24.7 Dark Down 36.6 250.7 Up 12:56:39 - 13:21:16 3267
Gimple 13:08:57 -24.8 Dark Down 36.9 250.7 Up 12:56:39 - 13:21:16 3241
Greenville 13:08:57 -24.9 Dark Down 36.9 250.7 Up 12:56:39 - 13:21:16 3239
Portola 13:08:55 -24.5 Dark Down 36.7 251.3 Up 12:56:37 - 13:21:14 3228
Reno 13:08:54 -24.0 Dark Down 36.3 252.0 Up 12:56:35 - 13:21:12 3225
Quincy 13:08:57 -24.9 Dark Down 37.0 250.8 Up 12:56:38 - 13:21:15 3224
Yerington 13:08:50 -23.4 Dark Down 36.0 252.9 Up 12:56:31 - 13:21:08 3201
Carson City 13:08:51 -23.9 Dark Down 36.4 252.3 Up 12:56:33 - 13:21:10 3199
Tonopah 13:08:42 -21.8 Dark Down 34.8 255.0 Up 12:56:24 - 13:21:01 3182
Gardnerville 13:08:51 -23.9 Dark Down 36.5 252.5 Up 12:56:32 - 13:21:09 3182
Hawthorne 13:08:47 -23.0 Dark Down 35.8 253.6 Up 12:56:28 - 13:21:05 3180
Lee Vining 13:08:47 -23.3 Dark Down 36.3 253.6 Up 12:56:28 - 13:21:05 3124
Indian Springs 13:08:35 -20.4 Dark Down 34.0 257.1 Up 12:56:16 - 13:20:53 3109
Beatty 13:08:38 -21.3 Dark Down 34.8 256.1 Up 12:56:20 - 13:20:57 3106
Bishop 13:08:43 -22.7 Dark Down 35.9 254.6 Up 12:56:24 - 13:21:01 3098
Henderson 13:08:31 -19.8 Dark Down 33.6 258.0 Up 12:56:13 - 13:20:50 3087
Patrick 13:08:27 -18.8 Dark Down 32.9 259.1 Up 12:56:09 - 13:20:46 3068
DCO 13:08:25 -18.2 Dark Down 32.4 259.8 Up 12:56:07 - 13:20:44 3063
Kingman/Dolan Springs 13:08:27 -18.9 Dark Down 33.1 259.1 Up 12:56:08 - 13:20:45 3046
Searchlight/Boulder City 13:08:30 -19.6 Dark Down 33.7 258.4 Up 12:56:11 - 13:20:48 3044
Laughlin/Bullhead City 13:08:28 -19.3 Dark Down 33.5 258.8 Up 12:56:09 - 13:20:46 3030
Mohave Valley 13:08:27 -19.3 Dark Down 33.5 259.0 Up 12:56:09 - 13:20:46 3008
George/Scottsdale 13:08:18 -16.8 AT Down 31.5 261.5 Up 12:56:00 - 13:20:37 2989
Lake Havasu City 13:08:25 -19.0 Dark Down 33.4 259.4 Up 12:56:07 - 13:20:44 2984
Parker 13:08:24 -18.9 Dark Down 33.5 259.6 Up 12:56:05 - 13:20:42 2956
Blythe 13:08:23 -19.0 Dark Down 33.8 259.8 Up 12:56:04 - 13:20:41 2906
CPSLO 13:08:41 -24.2 Dark Down 38.2 254.4 Up 12:56:23 - 13:21:00 2874
Idyllwild 13:08:28 -20.8 Dark Down 35.5 258.3 Up 12:56:09 - 13:20:46 2858
Calipatria 13:08:24 -19.7 Dark Down 34.6 259.5 Up 12:56:05 - 13:20:42 2841
Wildwood 13:08:33 -22.4 Dark Down 36.9 256.8 Up 12:56:15 - 13:20:52 2834
Yuma 13:08:21 -18.9 Dark Down 34.0 260.4 Up 12:56:02 - 13:20:39 2831

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 533085, (2023/01/23 13:11UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  3.49 175
PPM 126849     09:50:49.2 +11:50:32  6.5  1.59 174
PPM 126943     09:56:22.3 +10:39:55  8.0  0.30 173
PPM 126939     09:56:06.5 +10:47:15  9.6  0.26 174
533085         09:55:09.9 +10:40:04 13.9       173
Positions are for J2000

Event circumstances last updated at 2020/02/26 23:20:24 UT

Marc W. Buie, Southwest Research Institute

RECON