RECON: TNO occultation with 149349

Event between (149349) 02VA131 and star GA1080:00553234 with event index number of 1641027

Geocentric closest approach at 2026/12/22 08:46:56 UTC

J2000 position of star is 04:23:01.0 +18:39:25
Equinox of date position of star is 04:24:09.6 +18:42:05
Stellar brightness G=13.5, use SENSEUP=32
Star is 8 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 34.6 AU from the Sun and 33.7 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 983 seconds.
The 1-sigma cross-track error in the shadow position is 2697 km.
The sky-plane scale is 24472.7 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 13.5 sec chord
Diameter=123.3 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 5:3EE
 
 
 
 
 
 

Star training set for 149349, (2026/12/22 08:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.3 +16:33:42  0.8  3.75  11
44Zet Per      03:55:50.1 +31:57:41  2.8 14.74   7
PPM 119867     04:26:31.6 +19:06:07  6.4  0.60   8
PPM 119815     04:23:06.3 +18:28:47  7.4  0.42   8
PPM 119829     04:24:10.5 +18:53:52 11.7  0.20   8
149349         04:24:35.1 +18:43:05 13.5         8
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 0.9 sigma about the mid-time.
The median site spacing is 23.7 km RECON observability=1.0 and success probability=18.2%
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 08:44:43 -61.5 Dark Up 46.8 236.6 Up 08:29:43 - 08:59:43 274
Kelowna 08:44:43 -61.9 Dark Up 47.2 236.7 Up 08:29:43 - 08:59:43 236
Summerland 08:44:43 -62.2 Dark Up 47.4 236.7 Up 08:29:43 - 08:59:43 210
Penticton 08:44:42 -62.3 Dark Up 47.4 236.9 Up 08:29:42 - 08:59:42 204
Okanagan Falls 08:44:42 -62.4 Dark Up 47.5 237.1 Up 08:29:42 - 08:59:42 185
Oliver 08:44:42 -62.6 Dark Up 47.6 237.2 Up 08:29:42 - 08:59:42 170
Anarchist Mountain Observatory 08:44:41 -62.7 Dark Up 47.6 237.6 Up 08:29:41 - 08:59:41 154
Oroville 08:44:41 -62.8 Dark Up 47.6 237.6 Up 08:29:41 - 08:59:41 146
Tonasket 08:44:41 -63.0 Dark Up 47.8 237.8 Up 08:29:41 - 08:59:41 123
Okanogan 08:44:41 -63.3 Dark Up 48.0 238.0 Up 08:29:41 - 08:59:41 90
Brewster 08:44:41 -63.6 Dark Up 48.3 238.0 Up 08:29:41 - 08:59:41 62
Manson/Chelan 08:44:42 -63.9 Dark Up 48.6 237.8 Up 08:29:42 - 08:59:42 40
Entiat 08:44:41 -64.1 Dark Up 48.8 237.9 Up 08:29:41 - 08:59:41 18
Wenatchee 08:44:41 -64.4 Dark Up 49.0 238.0 Up 08:29:41 - 08:59:41 -8
Ellensburg 08:44:41 -64.8 Dark Up 49.3 238.2 Up 08:29:41 - 08:59:41 -50
Yakima 08:44:41 -65.2 Dark Up 49.5 238.6 Up 08:29:41 - 08:59:41 -90
Toppenish/White Swan 08:44:40 -65.4 Dark Up 49.5 239.0 Up 08:29:40 - 08:59:40 -111
Pasco 08:44:36 -65.1 Dark Up 48.8 240.5 Up 08:29:36 - 08:59:36 -118
PNWRO 08:44:35 -65.2 Dark Up 48.8 241.0 Up 08:29:35 - 08:59:35 -142
Goldendale 08:44:41 -66.0 Dark Up 50.1 239.0 Up 08:29:41 - 08:59:41 -168
The Dalles 08:44:41 -66.3 Dark Up 50.4 238.9 Up 08:29:41 - 08:59:41 -192
Maupin 08:44:40 -66.7 Dark Up 50.6 239.4 Up 08:29:40 - 08:59:40 -234
Madras/Culver 08:44:40 -67.2 Dark Up 50.9 239.9 Up 08:29:40 - 08:59:40 -290
Sisters 08:44:41 -67.6 Dark Up 51.3 239.8 Up 08:29:41 - 08:59:41 -325
Redmond 08:44:40 -67.5 Dark Up 51.1 240.3 Up 08:29:40 - 08:59:40 -326
Bend 08:44:40 -67.7 Dark Up 51.3 240.3 Up 08:29:40 - 08:59:40 -348
Oregon Observatory 08:44:40 -67.9 Dark Up 51.4 240.4 Up 08:29:40 - 08:59:40 -367
La Pine/Gilchrist 08:44:40 -68.1 Dark Up 51.6 240.5 Up 08:29:40 - 08:59:40 -388
North Lake 08:44:37 -68.3 Dark Up 51.4 241.7 Up 08:29:37 - 08:59:37 -430
Paisley 08:44:36 -68.7 Dark Up 51.4 242.7 Up 08:29:36 - 08:59:36 -485
Chiloquin 08:44:40 -69.3 Dark Up 52.3 241.4 Up 08:29:40 - 08:59:40 -503
Lakeview 08:44:35 -69.1 Dark Up 51.5 243.5 Up 08:29:35 - 08:59:35 -537
Klamath Falls 08:44:39 -69.5 Dark Up 52.5 241.8 Up 08:29:39 - 08:59:39 -538
Tulelake 08:44:38 -69.7 Dark Up 52.4 242.5 Up 08:29:38 - 08:59:38 -565
Cedarville 08:44:33 -69.6 Dark Up 51.7 244.4 Up 08:29:33 - 08:59:33 -604
Niwot 08:43:49 -62.4 Dark Up 41.5 259.2 Up 08:28:49 - 08:58:49 -627
SwRI 08:43:49 -62.5 Dark Up 41.6 259.3 Up 08:28:49 - 08:58:49 -639
Fall River/Burney 08:44:36 -70.5 Dark Up 52.7 243.6 Up 08:29:36 - 08:59:36 -659
Susanville 08:44:34 -70.7 Dark Up 52.5 245.2 Up 08:29:34 - 08:59:34 -722
Gimple 08:44:34 -71.0 Dark Up 52.8 245.3 Up 08:29:34 - 08:59:34 -752
Greenville 08:44:34 -71.1 Dark Up 52.8 245.2 Up 08:29:34 - 08:59:34 -752
Quincy 08:44:34 -71.2 Dark Up 52.9 245.4 Up 08:29:34 - 08:59:34 -773
Portola 08:44:32 -71.2 Dark Up 52.6 246.1 Up 08:29:32 - 08:59:32 -784
Reno 08:44:30 -71.1 Dark Up 52.3 247.1 Up 08:29:30 - 08:59:30 -809
Carson City 08:44:30 -71.4 Dark Up 52.4 247.5 Up 08:29:30 - 08:59:30 -847
Yerington 08:44:27 -71.3 Dark Up 52.0 248.4 Up 08:29:27 - 08:59:27 -864
Gardnerville 08:44:29 -71.6 Dark Up 52.5 247.9 Up 08:29:29 - 08:59:29 -872
Hawthorne 08:44:25 -71.4 Dark Up 51.8 249.4 Up 08:29:25 - 08:59:25 -910
Tonopah 08:44:20 -71.0 Dark Up 51.0 251.3 Up 08:29:20 - 08:59:20 -951
Lee Vining 08:44:26 -72.0 Dark Up 52.4 249.6 Up 08:29:26 - 08:59:26 -972
Bishop 08:44:23 -72.1 Dark Up 52.1 251.1 Up 08:29:23 - 08:59:23 -1032
Beatty 08:44:17 -71.5 Dark Up 51.0 253.1 Up 08:29:17 - 08:59:17 -1071
Indian Springs 08:44:13 -71.1 Dark Up 50.2 254.4 Up 08:29:13 - 08:59:13 -1098
Lone Pine 08:44:21 -72.5 Dark Up 52.0 252.3 Up 08:29:21 - 08:59:21 -1111
Henderson 08:44:11 -71.0 Dark Up 49.8 255.6 Up 08:29:11 - 08:59:11 -1150
Patrick 08:44:07 -70.6 Dark Up 49.1 257.2 Up 08:29:07 - 08:59:07 -1208
Searchlight/Boulder City 08:44:10 -71.3 Dark Up 49.9 256.3 Up 08:29:10 - 08:59:10 -1211
Kingman/Dolan Springs 08:44:07 -70.9 Dark Up 49.3 257.3 Up 08:29:07 - 08:59:07 -1233
DCO 08:44:04 -70.3 Dark Up 48.6 258.1 Up 08:29:04 - 08:59:04 -1235
Laughlin/Bullhead City 08:44:09 -71.3 Dark Up 49.7 256.9 Up 08:29:09 - 08:59:09 -1240
CPSLO 08:44:29 -74.9 Dark Up 54.4 251.6 Up 08:29:29 - 08:59:29 -1263
Mohave Valley 08:44:08 -71.4 Dark Up 49.8 257.2 Up 08:29:08 - 08:59:08 -1269
Lake Havasu City 08:44:07 -71.5 Dark Up 49.7 257.9 Up 08:29:07 - 08:59:07 -1310
Parker 08:44:06 -71.6 Dark Up 49.7 258.3 Up 08:29:06 - 08:59:06 -1347
George/Scottsdale 08:43:59 -70.1 Dark Up 47.9 260.5 Up 08:28:59 - 08:58:59 -1372
Wildwood 08:44:21 -74.5 Dark Up 53.2 255.0 Up 08:29:21 - 08:59:21 -1382
Blythe 08:44:07 -72.1 Dark Up 50.1 258.7 Up 08:29:07 - 08:59:07 -1406
Idyllwild 08:44:14 -73.5 Dark Up 51.8 256.9 Up 08:29:14 - 08:59:14 -1409
Calipatria 08:44:10 -73.0 Dark Up 50.9 258.6 Up 08:29:10 - 08:59:10 -1466
Yuma 08:44:06 -72.6 Dark Up 50.3 259.8 Up 08:29:06 - 08:59:06 -1506

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 149349, (2026/12/22 08:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  3.75  11
44Zet Per      03:54:07.9 +31:53:01  2.8 14.74   7
PPM 119867     04:24:57.3 +19:02:31  6.4  0.60   8
PPM 119815     04:21:32.4 +18:25:03  7.4  0.42   8
PPM 119829     04:22:36.3 +18:50:11 11.7  0.20   8
149349         04:23:01.0 +18:39:25 13.5         8
Positions are for J2000

Event circumstances last updated at 2019/09/02 20:56:23 UT

Marc W. Buie, Southwest Research Institute

RECON