RECON: TNO occultation with 14VB41

Event between 14VB41 and star GA0960:00151086 with event index number of 1949619

Geocentric closest approach at 2025/11/06 10:15:33 UTC

J2000 position of star is 01:45:45.0 +06:14:39
Equinox of date position of star is 01:46:53.8 +06:21:12
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 31 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 37.1 AU from the Sun and 36.1 AU from the Earth.
The TNO is moving 23.4 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 250 seconds.
The 1-sigma cross-track error in the shadow position is 4910 km.
The sky-plane scale is 26200.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=209.9 km assuming a 5% albedo -- 9.0 sec chord
Diameter=85.7 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14VB41, (2025/11/06 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:24.4 +16:33:33  0.8 42.85  17
68Omi Cet      02:20:39.3 -02:51:41  2.0 12.47  32
106Nu Psc      01:42:46.8 +05:37:03  4.4  1.31  33
PPM 145017     01:51:17.5 +07:21:02  7.8  1.43  30
PPM 144971     01:47:53.5 +06:16:42  9.4  0.22  31
14VB41         01:47:06.1 +06:22:23 15.4        31
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 3.6 sigma about the mid-time.
The median site spacing is 24.3 km RECON observability=1.0 and success probability=7.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:12:11 -36.1 Dark Up 19.2 255.0 Really Low 09:57:11 - 10:27:11 6694
Kamloops 10:12:30 -44.6 Dark Up 28.0 242.9 Low 09:57:30 - 10:27:30 6608
Kelowna 10:12:27 -44.6 Dark Up 27.9 244.1 Low 09:57:27 - 10:27:27 6529
Peachland 10:12:27 -44.8 Dark Up 28.1 243.9 Low 09:57:27 - 10:27:27 6520
Summerland 10:12:26 -44.8 Dark Up 28.1 244.0 Low 09:57:26 - 10:27:26 6506
Penticton 10:12:26 -44.8 Dark Up 28.1 244.2 Low 09:57:26 - 10:27:26 6499
Oliver 10:12:26 -45.0 Dark Up 28.3 244.3 Low 09:57:26 - 10:27:26 6467
Anarchist Mountain Observatory 10:12:25 -45.0 Dark Up 28.2 244.6 Low 09:57:25 - 10:27:25 6450
Victoria 10:12:32 -47.4 Dark Up 30.8 241.1 Up 09:57:32 - 10:27:32 6428
Tonasket 10:12:25 -45.2 Dark Up 28.4 244.7 Low 09:57:25 - 10:27:25 6422
Okanogan 10:12:25 -45.5 Dark Up 28.6 244.7 Low 09:57:25 - 10:27:25 6391
Brewster 10:12:24 -45.7 Dark Up 28.9 244.6 Low 09:57:24 - 10:27:24 6367
Manson/Chelan 10:12:24 -46.1 Dark Up 29.2 244.4 Low 09:57:24 - 10:27:24 6349
Wenatchee 10:12:24 -46.4 Dark Up 29.5 244.5 Low 09:57:24 - 10:27:24 6305
Ellensburg 10:12:24 -46.8 Dark Up 29.8 244.5 Low 09:57:24 - 10:27:24 6268
Yakima 10:12:23 -47.0 Dark Up 30.0 244.7 Low 09:57:23 - 10:27:23 6229
Toppenish/White Swan 10:12:22 -47.0 Dark Up 30.0 245.0 Low 09:57:22 - 10:27:22 6207
Pasco 10:12:20 -46.4 Dark Up 29.2 246.1 Low 09:57:20 - 10:27:20 6189
PNWRO 10:12:18 -46.3 Dark Up 29.2 246.5 Low 09:57:18 - 10:27:18 6164
Goldendale 10:12:22 -47.6 Dark Up 30.5 244.9 Up 09:57:22 - 10:27:22 6157
The Dalles 10:12:23 -47.9 Dark Up 30.8 244.7 Up 09:57:23 - 10:27:23 6138
Maupin 10:12:22 -48.1 Dark Up 30.9 245.0 Up 09:57:22 - 10:27:22 6097
Sisters 10:12:21 -48.8 Dark Up 31.6 245.0 Up 09:57:21 - 10:27:21 6015
Redmond 10:12:21 -48.6 Dark Up 31.4 245.4 Up 09:57:21 - 10:27:21 6010
Bend 10:12:21 -48.8 Dark Up 31.5 245.4 Up 09:57:21 - 10:27:21 5990
Oregon Observatory 10:12:20 -49.0 Dark Up 31.7 245.4 Up 09:57:20 - 10:27:20 5974
La Pine/Gilchrist 10:12:20 -49.1 Dark Up 31.8 245.4 Up 09:57:20 - 10:27:20 5955
North Lake 10:12:18 -49.0 Dark Up 31.6 246.2 Up 09:57:18 - 10:27:18 5908
Paisley 10:12:17 -49.0 Dark Up 31.6 246.8 Up 09:57:17 - 10:27:17 5852
Chiloquin 10:12:19 -49.9 Dark Up 32.5 245.8 Up 09:57:19 - 10:27:19 5848
Klamath Falls 10:12:19 -50.0 Dark Up 32.6 246.0 Up 09:57:19 - 10:27:19 5813
Lakeview 10:12:16 -49.1 Dark Up 31.7 247.3 Up 09:57:16 - 10:27:16 5800
Cedarville 10:12:14 -49.3 Dark Up 31.8 247.8 Up 09:57:14 - 10:27:14 5734
Fall River/Burney 10:12:16 -50.4 Dark Up 32.8 247.0 Up 09:57:16 - 10:27:16 5693
Susanville 10:12:14 -50.2 Dark Up 32.6 248.0 Up 09:57:14 - 10:27:14 5625
Greenville 10:12:14 -50.5 Dark Up 32.9 248.0 Up 09:57:14 - 10:27:14 5599
Gimple 10:12:14 -50.4 Dark Up 32.8 248.0 Up 09:57:14 - 10:27:14 5599
Quincy 10:12:14 -50.6 Dark Up 32.9 248.1 Up 09:57:14 - 10:27:14 5579
Portola 10:12:13 -50.3 Dark Up 32.6 248.5 Up 09:57:13 - 10:27:13 5563
Dunrhomin 10:11:44 -39.2 Dark Up 21.3 259.8 Low 09:56:44 - 10:26:44 5555
Reno 10:12:11 -50.0 Dark Up 32.3 249.2 Up 09:57:11 - 10:27:11 5532
Carson City 10:12:10 -50.1 Dark Up 32.4 249.5 Up 09:57:10 - 10:27:10 5496
Yerington 10:12:08 -49.8 Dark Up 32.0 250.1 Up 09:57:08 - 10:27:08 5472
Gardnerville 10:12:10 -50.2 Dark Up 32.4 249.6 Up 09:57:10 - 10:27:10 5470
Hawthorne 10:12:07 -49.6 Dark Up 31.8 250.8 Up 09:57:07 - 10:27:07 5421
Lee Vining 10:12:07 -50.1 Dark Up 32.3 250.7 Up 09:57:07 - 10:27:07 5366
Tonopah 10:12:03 -48.7 Dark Up 30.9 252.1 Up 09:57:03 - 10:27:03 5365
Bishop 10:12:05 -49.8 Dark Up 32.0 251.6 Up 09:57:05 - 10:27:05 5300
Beatty 10:12:01 -48.8 Dark Up 30.9 253.1 Up 09:57:01 - 10:27:01 5243
Indian Springs 10:11:59 -48.1 Dark Up 30.2 254.1 Up 09:56:59 - 10:26:59 5204
Henderson 10:11:56 -47.7 Dark Up 29.8 254.9 Low 09:56:56 - 10:26:56 5145
CPSLO 10:12:08 -52.3 Dark Up 34.4 251.2 Up 09:57:08 - 10:27:08 5101
Patrick 10:11:53 -47.0 Dark Up 29.1 256.0 Low 09:56:53 - 10:26:53 5075
Kingman/Dolan Springs 10:11:53 -47.2 Dark Up 29.3 256.0 Low 09:56:53 - 10:26:53 5052
Laughlin/Bullhead City 10:11:54 -47.6 Dark Up 29.7 255.6 Low 09:56:54 - 10:26:54 5052
Mohave Valley 10:11:54 -47.7 Dark Up 29.7 255.8 Low 09:56:54 - 10:26:54 5023
Lake Havasu City 10:11:53 -47.6 Dark Up 29.6 256.2 Low 09:56:53 - 10:26:53 4980
Wildwood 10:12:02 -51.1 Dark Up 33.1 253.4 Up 09:57:02 - 10:27:02 4961
Parker 10:11:52 -47.7 Dark Up 29.7 256.4 Low 09:56:52 - 10:26:52 4943
Idyllwild 10:11:57 -49.7 Dark Up 31.7 255.0 Up 09:56:57 - 10:26:57 4912
Blythe 10:11:52 -48.1 Dark Up 30.1 256.5 Up 09:56:52 - 10:26:52 4889
George/Scottsdale 10:11:47 -45.8 Dark Up 27.8 258.2 Low 09:56:47 - 10:26:47 4889
Calipatria 10:11:54 -48.9 Dark Up 30.9 256.1 Up 09:56:54 - 10:26:54 4841
Yuma 10:11:51 -48.3 Dark Up 30.3 257.0 Up 09:56:51 - 10:26:51 4791

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 14VB41, (2025/11/06 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 42.85  17
68Omi Cet      02:19:20.8 -02:58:45  2.0 12.47  32
106Nu Psc      01:41:25.9 +05:29:15  4.4  1.31  33
PPM 145017     01:49:56.0 +07:13:23  7.8  1.43  30
PPM 144971     01:46:32.3 +06:08:59  9.4  0.22  31
14VB41         01:45:45.0 +06:14:39 15.4        31
Positions are for J2000

Event circumstances last updated at 2021/11/28 00:30:54 UT

Marc W. Buie, Southwest Research Institute

RECON