RECON: TNO occultation with 00WM183

Event between 00WM183 and star GA1140:01475638 with event index number of 1261716

Geocentric closest approach at 2023/11/25 05:38:30 UTC

J2000 position of star is 05:46:12.5 +24:05:07
Equinox of date position of star is 05:47:23.1 +24:05:29
Stellar brightness G=14.8, use SENSEUP=128
Star is 52 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=24.1

[RECON map]
TNO is 48.9 AU from the Sun and 48.0 AU from the Earth.
The TNO is moving 23.5 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 1061 seconds.
The 1-sigma cross-track error in the shadow position is 4892 km.
The sky-plane scale is 34789.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=220.8 km assuming a 5% albedo -- 9.4 sec chord
Diameter=90.1 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WM183, (2023/11/25 05:39UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.0 +07:24:34  0.4 16.82  55
Alnath         05:27:48.3 +28:37:32  1.6  6.35  47
132 Tau        05:50:29.0 +24:34:24  4.9  0.80  52
PPM 094824     05:47:24.4 +24:13:57  8.2  0.15  51
00WM183        05:47:40.3 +24:05:35 14.8        52
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 0.8 sigma about the mid-time.
The median site spacing is 19.7 km RECON observability=1.0 and success probability=9.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:40:58 -52.0 Dark Up 39.4 98.9 Up 05:25:58 - 05:55:58 -236
Summerland 05:41:00 -52.0 Dark Up 39.2 98.4 Up 05:26:00 - 05:56:00 -255
Penticton 05:41:00 -52.1 Dark Up 39.3 98.5 Up 05:26:00 - 05:56:00 -263
Okanagan Falls 05:41:00 -52.2 Dark Up 39.3 98.3 Up 05:26:00 - 05:56:00 -279
Oliver 05:41:01 -52.3 Dark Up 39.4 98.2 Up 05:26:01 - 05:56:01 -293
Anarchist Mountain Observatory 05:41:01 -52.5 Dark Up 39.5 98.2 Up 05:26:01 - 05:56:01 -313
Oroville 05:41:01 -52.5 Dark Up 39.5 98.1 Up 05:26:01 - 05:56:01 -317
Tonasket 05:41:02 -52.7 Dark Up 39.5 97.9 Up 05:26:02 - 05:56:02 -337
Okanogan 05:41:03 -52.8 Dark Up 39.5 97.5 Up 05:26:03 - 05:56:03 -363
Brewster 05:41:04 -52.9 Dark Up 39.4 97.1 Up 05:26:04 - 05:56:04 -381
Manson/Chelan 05:41:06 -52.8 Dark Up 39.2 96.7 Up 05:26:06 - 05:56:06 -390
Entiat 05:41:06 -52.9 Dark Up 39.1 96.4 Up 05:26:06 - 05:56:06 -407
Wenatchee 05:41:07 -53.0 Dark Up 39.1 96.2 Up 05:26:07 - 05:56:07 -427
Ellensburg 05:41:09 -53.1 Dark Up 39.0 95.6 Up 05:26:09 - 05:56:09 -457
Yakima 05:41:10 -53.3 Dark Up 39.0 95.3 Up 05:26:10 - 05:56:10 -493
Toppenish/White Swan 05:41:10 -53.5 Dark Up 39.2 95.3 Up 05:26:10 - 05:56:10 -516
Goldendale 05:41:12 -53.6 Dark Up 38.9 94.5 Up 05:26:12 - 05:56:12 -554
Pasco 05:41:08 -54.3 Dark Up 40.1 96.2 Up 05:26:08 - 05:56:08 -560
The Dalles 05:41:14 -53.5 Dark Up 38.7 94.0 Up 05:26:14 - 05:56:14 -564
George/Umatilla 05:41:09 -54.4 Dark Up 39.9 95.7 Up 05:26:09 - 05:56:09 -584
PNWRO 05:41:09 -54.6 Dark Up 40.2 96.1 Up 05:26:09 - 05:56:09 -588
Maupin 05:41:15 -53.8 Dark Up 38.8 93.8 Up 05:26:15 - 05:56:15 -604
Madras/Culver 05:41:16 -54.1 Dark Up 38.8 93.3 Up 05:26:16 - 05:56:16 -651
Sisters 05:41:18 -54.0 Dark Up 38.5 92.7 Up 05:26:18 - 05:56:18 -669
Redmond 05:41:17 -54.2 Dark Up 38.8 93.0 Up 05:26:17 - 05:56:17 -682
Bend 05:41:18 -54.2 Dark Up 38.7 92.7 Up 05:26:18 - 05:56:18 -698
Oregon Observatory 05:41:19 -54.3 Dark Up 38.6 92.5 Up 05:26:19 - 05:56:19 -710
La Pine/Gilchrist 05:41:20 -54.3 Dark Up 38.6 92.3 Up 05:26:20 - 05:56:20 -726
North Lake 05:41:20 -54.9 Dark Up 39.0 92.4 Up 05:26:20 - 05:56:20 -782
Chiloquin 05:41:23 -54.6 Dark Up 38.4 91.2 Up 05:26:23 - 05:56:23 -817
Paisley 05:41:21 -55.4 Dark Up 39.3 92.2 Up 05:26:21 - 05:56:21 -843
Klamath Falls 05:41:24 -54.8 Dark Up 38.4 91.0 Up 05:26:24 - 05:56:24 -851
Tulelake 05:41:24 -55.2 Dark Up 38.7 91.0 Up 05:26:24 - 05:56:24 -884
Lakeview 05:41:21 -55.8 Dark Up 39.5 91.9 Up 05:26:21 - 05:56:21 -895
Cedarville 05:41:23 -56.2 Dark Up 39.7 91.5 Up 05:26:23 - 05:56:23 -960
Fall River/Burney 05:41:26 -55.6 Dark Up 38.8 90.3 Up 05:26:26 - 05:56:26 -970
Susanville 05:41:27 -56.4 Dark Up 39.3 90.3 Up 05:26:27 - 05:56:27 -1050
Greenville 05:41:28 -56.3 Dark Up 39.1 89.9 Up 05:26:28 - 05:56:28 -1067
Gimple 05:41:28 -56.4 Dark Up 39.2 89.9 Up 05:26:28 - 05:56:28 -1070
Quincy 05:41:29 -56.4 Dark Up 39.1 89.7 Up 05:26:29 - 05:56:29 -1086
Portola 05:41:28 -56.8 Dark Up 39.5 89.9 Up 05:26:28 - 05:56:28 -1112
Reno 05:41:27 -57.4 Dark Up 40.0 90.1 Up 05:26:27 - 05:56:27 -1156
Carson City 05:41:28 -57.6 Dark Up 40.0 89.8 Up 05:26:28 - 05:56:28 -1191
Gardnerville 05:41:29 -57.7 Dark Up 40.0 89.6 Up 05:26:29 - 05:56:29 -1215
Yerington 05:41:27 -58.1 Dark Up 40.5 90.0 Up 05:26:27 - 05:56:27 -1228
Hawthorne 05:41:27 -58.7 Dark Up 40.9 90.0 Up 05:26:27 - 05:56:27 -1287
Lee Vining 05:41:29 -58.6 Dark Up 40.5 89.2 Up 05:26:29 - 05:56:29 -1327
Tonopah 05:41:25 -59.9 Dark Up 42.0 90.4 Up 05:26:25 - 05:56:25 -1373
Bishop 05:41:29 -59.3 Dark Up 41.1 89.1 Up 05:26:29 - 05:56:29 -1406
Niwot 05:40:52 -65.9 Dark Up 51.0 101.1 Up 05:25:52 - 05:55:52 -1485
Lone Pine 05:41:30 -59.9 Dark Up 41.3 88.6 Up 05:26:30 - 05:56:30 -1490
SwRI 05:40:53 -66.0 Dark Up 50.9 100.9 Up 05:25:53 - 05:55:53 -1493
Beatty 05:41:27 -60.7 Dark Up 42.4 89.7 Up 05:26:27 - 05:56:27 -1499
CPSLO 05:41:39 -58.4 Dark Up 39.2 86.1 Up 05:26:39 - 05:56:39 -1537
Indian Springs 05:41:26 -61.6 Dark Up 43.2 90.0 Up 05:26:26 - 05:56:26 -1562
Henderson 05:41:25 -62.4 Dark Up 43.8 89.9 Up 05:26:25 - 05:56:25 -1634
Searchlight/Boulder City 05:41:26 -62.7 Dark Up 43.8 89.4 Up 05:26:26 - 05:56:26 -1693
Wildwood 05:41:37 -60.4 Dark Up 40.8 86.2 Up 05:26:37 - 05:56:37 -1719
Patrick 05:41:24 -63.5 Dark Up 44.7 89.9 Up 05:26:24 - 05:56:24 -1728
Laughlin/Bullhead City 05:41:26 -63.0 Dark Up 44.1 89.3 Up 05:26:26 - 05:56:26 -1732
Kingman/Dolan Springs 05:41:24 -63.4 Dark Up 44.5 89.6 Up 05:26:24 - 05:56:24 -1745
Mohave Valley 05:41:26 -63.2 Dark Up 44.1 89.0 Up 05:26:26 - 05:56:26 -1760
DCO 05:41:22 -64.1 Dark Up 45.3 90.0 Up 05:26:22 - 05:56:22 -1779
Lake Havasu City 05:41:26 -63.5 Dark Up 44.3 88.8 Up 05:26:26 - 05:56:26 -1807
Idyllwild 05:41:33 -62.0 Dark Up 42.3 86.8 Up 05:26:33 - 05:56:33 -1812
Parker 05:41:27 -63.7 Dark Up 44.3 88.5 Up 05:26:27 - 05:56:27 -1843
Blythe 05:41:29 -63.7 Dark Up 44.1 87.8 Up 05:26:29 - 05:56:29 -1887
Calipatria 05:41:32 -63.1 Dark Up 43.3 86.9 Up 05:26:32 - 05:56:32 -1908
Yuma 05:41:31 -64.0 Dark Up 44.0 86.9 Up 05:26:31 - 05:56:31 -1978

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 00WM183, (2023/11/25 05:39UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.82  55
Alnath         05:26:17.5 +28:36:23  1.6  6.35  47
132 Tau        05:49:00.9 +24:34:02  4.9  0.80  52
PPM 094824     05:45:56.6 +24:13:30  8.2  0.15  51
00WM183        05:46:12.5 +24:05:07 14.8        52
Positions are for J2000

Event circumstances last updated at 2019/03/20 23:57:54 UT

Marc W. Buie, Southwest Research Institute

RECON