RECON: TNO occultation with 149348

Event between (149348) 02VS130 and star GA1120:01330096 with event index number of 1293386

Geocentric closest approach at 2023/11/06 10:38:58 UTC

J2000 position of star is 05:37:20.6 +23:56:54
Equinox of date position of star is 05:38:34.3 +23:57:33
Stellar brightness G=15.0, use SENSEUP=128
Star is 61 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=26.4

[RECON map]
TNO is 43.4 AU from the Sun and 42.7 AU from the Earth.
The TNO is moving 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 4417 seconds.
The 1-sigma cross-track error in the shadow position is 4503 km.
The sky-plane scale is 30965.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=331.1 km assuming a 5% albedo -- 3.3 sec chord
Diameter=135.2 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 149348, (2023/11/06 10:39UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.5 +16:33:20  0.8 16.20  76
Alnath         05:27:48.1 +28:37:32  1.6  5.28  63
PPM 094690     05:43:21.8 +23:20:10  6.5  1.22  60
PPM 094515     05:36:31.2 +24:18:17  8.0  0.62  61
PPM 094554     05:37:54.2 +24:10:53  9.9  0.30  61
PPM 094573     05:38:36.9 +24:14:53 10.5  0.29  61
149348         05:38:48.0 +23:57:40 15.0        60
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 0.2 sigma about the mid-time.
The median site spacing is 24.1 km RECON observability=1.0 and success probability=11.4%
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 10:38:49 -40.5 Dark Up 63.7 183.0 Up 10:23:49 - 10:53:49 -250
Peachland 10:38:50 -41.0 Dark Up 64.2 182.1 Up 10:23:50 - 10:53:50 -299
Summerland 10:38:50 -41.0 Dark Up 64.3 182.3 Up 10:23:50 - 10:53:50 -314
Penticton 10:38:50 -41.0 Dark Up 64.4 182.6 Up 10:23:50 - 10:53:50 -321
Oliver 10:38:50 -41.2 Dark Up 64.7 182.6 Up 10:23:50 - 10:53:50 -357
Anarchist Mountain Observatory 10:38:49 -41.1 Dark Up 64.9 183.0 Up 10:23:49 - 10:53:49 -374
Tonasket 10:38:49 -41.3 Dark Up 65.2 182.9 Up 10:23:49 - 10:53:49 -405
Victoria 10:39:05 -43.7 Dark Up 65.3 174.3 Up 10:24:05 - 10:54:05 -411
Okanogan 10:38:50 -41.6 Dark Up 65.6 182.6 Up 10:23:50 - 10:53:50 -439
Brewster 10:38:51 -41.8 Dark Up 65.8 182.2 Up 10:23:51 - 10:53:51 -466
Manson/Chelan 10:38:52 -42.1 Dark Up 66.1 181.4 Up 10:23:52 - 10:53:52 -486
Entiat 10:38:53 -42.2 Dark Up 66.3 181.3 Up 10:23:53 - 10:53:53 -508
Wenatchee 10:38:53 -42.4 Dark Up 66.5 181.0 Up 10:23:53 - 10:53:53 -534
Ellensburg 10:38:54 -42.7 Dark Up 67.0 180.5 Up 10:23:54 - 10:53:54 -576
Yakima 10:38:54 -42.9 Dark Up 67.4 180.5 Up 10:23:54 - 10:53:54 -617
Toppenish/White Swan 10:38:54 -42.9 Dark Up 67.6 180.9 Up 10:23:54 - 10:53:54 -640
Pasco 10:38:48 -42.2 Dark Up 67.7 183.9 Up 10:23:48 - 10:53:48 -656
PNWRO 10:38:48 -42.1 Dark Up 67.9 184.5 Up 10:23:48 - 10:53:48 -682
Goldendale 10:38:56 -43.4 Dark Up 68.1 179.9 Up 10:23:56 - 10:53:56 -695
The Dalles 10:38:57 -43.7 Dark Up 68.3 179.0 Up 10:23:57 - 10:53:57 -718
Maupin 10:38:57 -43.8 Dark Up 68.8 179.3 Up 10:23:57 - 10:53:57 -761
Sisters 10:38:59 -44.5 Dark Up 69.6 178.0 Up 10:23:59 - 10:53:59 -851
Redmond 10:38:57 -44.3 Dark Up 69.7 179.0 Up 10:23:57 - 10:53:57 -855
Bend 10:38:58 -44.5 Dark Up 69.9 178.6 Up 10:23:58 - 10:53:58 -876
Oregon Observatory 10:38:59 -44.6 Dark Up 70.1 178.3 Up 10:23:59 - 10:53:59 -894
La Pine/Gilchrist 10:38:59 -44.7 Dark Up 70.3 178.1 Up 10:23:59 - 10:53:59 -915
North Lake 10:38:57 -44.5 Dark Up 70.7 179.7 Up 10:23:57 - 10:53:57 -963
Paisley 10:38:55 -44.5 Dark Up 71.3 180.7 Up 10:23:55 - 10:53:55 -1022
Klamath Falls 10:39:01 -45.5 Dark Up 71.7 177.2 Up 10:24:01 - 10:54:01 -1067
Lakeview 10:38:54 -44.6 Dark Up 71.8 181.3 Up 10:23:54 - 10:53:54 -1076
Cedarville 10:38:54 -44.7 Dark Up 72.4 181.8 Up 10:23:54 - 10:53:54 -1146
Fall River/Burney 10:38:59 -45.7 Dark Up 72.9 178.2 Up 10:23:59 - 10:53:59 -1193
Susanville 10:38:56 -45.4 Dark Up 73.5 180.4 Up 10:23:56 - 10:53:56 -1262
Niwot 10:37:46 -34.2 Dark Up 69.3 223.2 Up 10:22:46 - 10:52:46 -1276
SwRI 10:37:46 -34.3 Dark Up 69.5 223.2 Up 10:22:46 - 10:52:46 -1288
Greenville 10:38:57 -45.7 Dark Up 73.8 179.5 Up 10:23:57 - 10:53:57 -1291
Gimple 10:38:57 -45.6 Dark Up 73.8 179.8 Up 10:23:57 - 10:53:57 -1291
Quincy 10:38:57 -45.8 Dark Up 74.0 179.5 Up 10:23:57 - 10:53:57 -1312
Portola 10:38:56 -45.5 Dark Up 74.1 181.1 Up 10:23:56 - 10:53:56 -1327
Reno 10:38:52 -45.1 Dark Up 74.4 183.3 Up 10:23:52 - 10:53:52 -1358
Carson City 10:38:52 -45.2 Dark Up 74.7 183.4 Up 10:23:52 - 10:53:52 -1396
Yerington 10:38:49 -44.8 Dark Up 74.9 185.6 Up 10:23:49 - 10:53:49 -1419
Gardnerville 10:38:52 -45.2 Dark Up 75.0 183.6 Up 10:23:52 - 10:53:52 -1423
Hawthorne 10:38:47 -44.6 Dark Up 75.3 187.7 Up 10:23:47 - 10:53:47 -1470
Tonopah 10:38:41 -43.6 Dark Up 75.6 193.0 Up 10:23:41 - 10:53:41 -1523
Lee Vining 10:38:49 -45.1 Dark Up 75.9 186.2 Up 10:23:49 - 10:53:49 -1529
Bishop 10:38:47 -44.7 Dark Up 76.4 189.2 Up 10:23:47 - 10:53:47 -1596
Beatty 10:38:38 -43.6 Dark Up 76.6 195.8 Up 10:23:38 - 10:53:38 -1648
Indian Springs 10:38:33 -42.8 Dark Up 76.7 200.3 Up 10:23:33 - 10:53:33 -1685
Henderson 10:38:30 -42.4 Dark Up 76.9 203.7 Up 10:23:30 - 10:53:30 -1743
Searchlight/Boulder City 10:38:30 -42.5 Dark Up 77.4 205.0 Up 10:23:30 - 10:53:30 -1805
Patrick 10:38:24 -41.7 Dark Up 77.1 209.0 Up 10:23:24 - 10:53:24 -1811
CPSLO 10:38:57 -47.0 Dark Up 78.6 180.6 Up 10:23:57 - 10:53:57 -1813
Kingman/Dolan Springs 10:38:25 -41.9 Dark Up 77.4 208.8 Up 10:23:25 - 10:53:25 -1835
Laughlin/Bullhead City 10:38:28 -42.3 Dark Up 77.6 206.9 Up 10:23:28 - 10:53:28 -1838
DCO 10:38:21 -41.2 Dark Up 77.1 212.2 Up 10:23:21 - 10:53:21 -1843
Mohave Valley 10:38:27 -42.3 Dark Up 77.8 207.5 Up 10:23:27 - 10:53:27 -1867
Lake Havasu City 10:38:26 -42.2 Dark Up 78.1 209.3 Up 10:23:26 - 10:53:26 -1911
Parker 10:38:26 -42.2 Dark Up 78.4 210.3 Up 10:23:26 - 10:53:26 -1949
Wildwood 10:38:47 -45.7 Dark Up 79.7 191.1 Up 10:23:47 - 10:53:47 -1951
Idyllwild 10:38:38 -44.2 Dark Up 79.6 200.7 Up 10:23:38 - 10:53:38 -1993
George/Scottsdale 10:38:14 -40.3 Dark Up 77.6 220.4 Up 10:23:14 - 10:53:14 -1993
Blythe 10:38:28 -42.5 Dark Up 79.0 210.4 Up 10:23:28 - 10:53:28 -2007
Calipatria 10:38:32 -43.4 Dark Up 79.8 207.6 Up 10:23:32 - 10:53:32 -2061
Yuma 10:38:28 -42.7 Dark Up 79.8 212.8 Up 10:23:28 - 10:53:28 -2108

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 149348, (2023/11/06 10:39UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 16.20  76
Alnath         05:26:17.5 +28:36:23  1.6  5.28  63
PPM 094690     05:41:54.8 +23:19:34  6.5  1.22  60
PPM 094515     05:35:03.6 +24:17:26  8.0  0.62  61
PPM 094554     05:36:26.6 +24:10:06  9.9  0.30  61
PPM 094573     05:37:09.3 +24:14:07 10.5  0.29  61
149348         05:37:20.6 +23:56:54 15.0        61
Positions are for J2000

Event circumstances last updated at 2020/02/02 20:54:56 UT

Marc W. Buie, Southwest Research Institute

RECON