RECON: TNO occultation with 00YX1

Event between 00YX1 and star GA1140:01349032 with event index number of 2007279

Geocentric closest approach at 2024/01/27 06:17:59 UTC

J2000 position of star is 05:38:18.8 +24:59:46
Equinox of date position of star is 05:39:46.9 +25:00:30
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 59 degrees from the moon. Moon is 98% illuminated.
Apparent brightness V=23.6

[RECON map]
Object is 43.2 AU from the Sun and 42.5 AU from the Earth.
Apparent velocity is 18.2 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 407 seconds.
The 1-sigma cross-track error in the shadow position is 1976 km.
The sky-plane scale is 30803.5 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=214.8 km assuming a 5% albedo -- 11.8 sec chord
Diameter=87.7 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00YX1, (2024/01/27 06:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.3 +16:33:21  0.8 16.85  74
Alnath         05:27:48.9 +28:37:32  1.6  4.50  61
125 Tau        05:41:13.8 +25:54:30  5.2  0.96  58
PPM 094629     05:41:20.0 +24:14:13  7.4  0.85  58
PPM 094559     05:38:06.8 +25:10:03  9.8  0.41  59
00YX1          05:39:47.8 +25:00:30 16.0        58
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 2.2 sigma about the mid-time.
The median site spacing is 35.9 km RECON observability=1.0 and success probability=5.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:16:07 -54.5 Dark Up 54.9 231.0 Up 06:01:07 - 06:31:07 -2759
Kamloops 06:16:55 -50.4 Dark Up 61.7 210.4 Up 06:01:55 - 06:31:55 -3011
Kelowna 06:16:51 -51.4 Dark Up 62.1 212.8 Up 06:01:51 - 06:31:51 -3089
Peachland 06:16:52 -51.3 Dark Up 62.3 212.4 Up 06:01:52 - 06:31:52 -3101
Summerland 06:16:52 -51.4 Dark Up 62.4 212.7 Up 06:01:52 - 06:31:52 -3116
Penticton 06:16:51 -51.5 Dark Up 62.4 212.9 Up 06:01:51 - 06:31:51 -3122
Oliver 06:16:51 -51.8 Dark Up 62.7 213.3 Up 06:01:51 - 06:31:51 -3158
Anarchist Mountain Observatory 06:16:50 -52.0 Dark Up 62.8 213.8 Up 06:01:50 - 06:31:50 -3174
Victoria 06:17:05 -50.3 Dark Up 64.6 206.7 Up 06:02:05 - 06:32:05 -3240
Okanogan 06:16:50 -52.3 Dark Up 63.4 214.1 Up 06:01:50 - 06:31:50 -3241
Brewster 06:16:50 -52.4 Dark Up 63.7 214.1 Up 06:01:50 - 06:31:50 -3269
Manson/Chelan 06:16:52 -52.4 Dark Up 64.0 213.6 Up 06:01:52 - 06:31:52 -3292
Wenatchee 06:16:52 -52.6 Dark Up 64.5 213.9 Up 06:01:52 - 06:31:52 -3342
Ellensburg 06:16:53 -52.7 Dark Up 64.9 213.9 Up 06:01:53 - 06:31:53 -3385
Yakima 06:16:52 -53.0 Dark Up 65.3 214.4 Up 06:01:52 - 06:31:52 -3427
Toppenish/White Swan 06:16:51 -53.2 Dark Up 65.4 215.0 Up 06:01:51 - 06:31:51 -3449
PNWRO 06:16:45 -54.2 Dark Up 65.1 218.3 Up 06:01:45 - 06:31:45 -3479
The Dalles 06:16:55 -53.3 Dark Up 66.3 214.4 Up 06:01:55 - 06:31:55 -3533
Maupin 06:16:53 -53.6 Dark Up 66.6 215.2 Up 06:01:53 - 06:31:53 -3576
Sisters 06:16:55 -53.8 Dark Up 67.6 215.4 Up 06:01:55 - 06:31:55 -3670
Bend 06:16:53 -54.1 Dark Up 67.6 216.2 Up 06:01:53 - 06:31:53 -3694
Oregon Observatory 06:16:54 -54.1 Dark Up 67.8 216.2 Up 06:01:54 - 06:31:54 -3712
Chiloquin 06:16:54 -54.6 Dark Up 69.1 217.3 Up 06:01:54 - 06:31:54 -3853
Klamath Falls 06:16:54 -54.9 Dark Up 69.3 218.0 Up 06:01:54 - 06:31:54 -3889
Dunrhomin 06:15:41 -65.0 Dark Up 60.5 248.1 Up 06:00:41 - 06:30:41 -3944
Cedarville 06:16:46 -56.2 Dark Up 69.1 222.6 Up 06:01:46 - 06:31:46 -3955
Nikitin 06:15:41 -65.2 Dark Up 60.6 248.4 Up 06:00:41 - 06:30:41 -3964
CU-SBO 06:15:42 -65.2 Dark Up 60.7 248.4 Up 06:00:42 - 06:30:42 -3971
Fall River/Burney 06:16:51 -55.7 Dark Up 70.0 220.9 Up 06:01:51 - 06:31:51 -4013
Gimple 06:16:49 -56.5 Dark Up 70.4 223.7 Up 06:01:49 - 06:31:49 -4107
Greenville 06:16:49 -56.5 Dark Up 70.5 223.6 Up 06:01:49 - 06:31:49 -4107
Quincy 06:16:49 -56.6 Dark Up 70.6 224.0 Up 06:01:49 - 06:31:49 -4129
Portola 06:16:47 -57.0 Dark Up 70.5 225.2 Up 06:01:47 - 06:31:47 -4140
Reno 06:16:43 -57.5 Dark Up 70.3 227.1 Up 06:01:43 - 06:31:43 -4165
Carson City 06:16:43 -57.7 Dark Up 70.5 227.9 Up 06:01:43 - 06:31:43 -4203
Yerington 06:16:40 -58.2 Dark Up 70.3 229.6 Up 06:01:40 - 06:31:40 -4220
Gardnerville 06:16:42 -57.9 Dark Up 70.7 228.5 Up 06:01:42 - 06:31:42 -4229
Hawthorne 06:16:38 -58.8 Dark Up 70.3 231.7 Up 06:01:38 - 06:31:38 -4267
Lee Vining 06:16:39 -58.8 Dark Up 70.9 232.0 Up 06:01:39 - 06:31:39 -4331
Bishop 06:16:36 -59.6 Dark Up 70.8 234.8 Up 06:01:36 - 06:31:36 -4391
Beatty 06:16:27 -60.9 Dark Up 70.0 238.8 Up 06:01:27 - 06:31:27 -4429
Patrick 06:16:13 -63.6 Dark Up 68.7 246.7 Up 06:01:13 - 06:31:13 -4565
Laughlin/Bullhead City 06:16:16 -63.3 Dark Up 69.3 246.3 Up 06:01:16 - 06:31:16 -4598
Lake Havasu City 06:16:15 -63.8 Dark Up 69.3 248.3 Up 06:01:15 - 06:31:15 -4669
George/Scottsdale 06:16:03 -65.9 Dark Up 67.7 253.2 Up 06:01:03 - 06:31:03 -4728
Wildwood 06:16:34 -61.0 Dark Up 72.7 242.8 Up 06:01:34 - 06:31:34 -4748
Idyllwild 06:16:25 -62.5 Dark Up 71.4 246.9 Up 06:01:25 - 06:31:25 -4773
Calipatria 06:16:19 -63.6 Dark Up 70.8 250.2 Up 06:01:19 - 06:31:19 -4829
Yuma 06:16:14 -64.5 Dark Up 70.2 252.5 Up 06:01:14 - 06:31:14 -4868

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 00YX1, (2024/01/27 06:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 16.85  74
Alnath         05:26:17.6 +28:36:23  1.6  4.50  61
125 Tau        05:39:44.2 +25:53:49  5.2  0.96  58
PPM 094629     05:39:51.5 +24:13:32  7.4  0.85  58
PPM 094559     05:36:37.7 +25:09:15  9.8  0.41  59
00YX1          05:38:18.8 +24:59:46 16.0        58
Positions are for J2000

Event circumstances last updated at 2023/11/04 04:08:58 UT

Marc W. Buie, Southwest Research Institute

RECON