RECON: TNO occultation with 14OC394

Event between 14OC394 and star GA0900:00041318 with event index number of 1429766

Geocentric closest approach at 2024/10/14 04:42:07 UTC

J2000 position of star is 00:27:59.7 +00:17:35
Equinox of date position of star is 00:28:59.5 +00:24:02
Stellar brightness G=15.7, use SENSEUP=128
Star is 31 degrees from the moon. Moon is 85% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 41.5 AU from the Sun and 40.6 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 331 seconds.
The 1-sigma cross-track error in the shadow position is 4216 km.
The sky-plane scale is 29413.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=285.8 km assuming a 5% albedo -- 11.9 sec chord
Diameter=116.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14OC394, (2024/10/14 04:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:00.8 -29:29:24  1.2 36.86  18
Algenib        00:14:30.9 +15:19:16  2.8 15.33  37
44 Psc         00:26:40.5 +02:04:36  5.8  1.77  31
10 Cet         00:27:53.7 +00:05:15  7.0  0.48  31
PPM 174724     00:29:25.2 +00:07:23 10.2  0.31  31
14OC394        00:29:16.0 +00:25:48 15.7        32
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 2.7 sigma about the mid-time.
The median site spacing is 13.0 km RECON observability=1.0 and success probability=8.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 04:42:17 -34.0 Dark Up 33.1 140.0 Up 04:27:17 - 04:57:17 -303
Summerland 04:42:18 -34.0 Dark Up 33.2 139.5 Up 04:27:18 - 04:57:18 -311
Penticton 04:42:18 -34.1 Dark Up 33.3 139.6 Up 04:27:18 - 04:57:18 -317
Okanagan Falls 04:42:19 -34.2 Dark Up 33.5 139.5 Up 04:27:19 - 04:57:19 -326
Oliver 04:42:19 -34.3 Dark Up 33.6 139.5 Up 04:27:19 - 04:57:19 -335
Anarchist Mountain Observatory 04:42:19 -34.5 Dark Up 33.8 139.6 Up 04:27:19 - 04:57:19 -348
Oroville 04:42:19 -34.5 Dark Up 33.9 139.5 Up 04:27:19 - 04:57:19 -350
Tonasket 04:42:20 -34.6 Dark Up 34.0 139.4 Up 04:27:20 - 04:57:20 -362
Okanogan 04:42:21 -34.7 Dark Up 34.2 139.1 Up 04:27:21 - 04:57:21 -376
Brewster 04:42:23 -34.7 Dark Up 34.3 138.8 Up 04:27:23 - 04:57:23 -385
Manson/Chelan 04:42:24 -34.6 Dark Up 34.3 138.3 Up 04:27:24 - 04:57:24 -388
Entiat 04:42:25 -34.7 Dark Up 34.5 138.1 Up 04:27:25 - 04:57:25 -397
Wenatchee 04:42:26 -34.7 Dark Up 34.6 137.9 Up 04:27:26 - 04:57:26 -408
Ellensburg 04:42:28 -34.8 Dark Up 34.8 137.5 Up 04:27:28 - 04:57:28 -425
Yakima 04:42:29 -35.0 Dark Up 35.1 137.3 Up 04:27:29 - 04:57:29 -447
Toppenish/White Swan 04:42:29 -35.2 Dark Up 35.4 137.3 Up 04:27:29 - 04:57:29 -463
Goldendale 04:42:32 -35.2 Dark Up 35.6 136.6 Up 04:27:32 - 04:57:32 -482
The Dalles 04:42:33 -35.1 Dark Up 35.6 136.1 Up 04:27:33 - 04:57:33 -486
Pasco 04:42:26 -36.0 Dark Up 36.0 138.7 Up 04:27:26 - 04:57:26 -501
Maupin 04:42:34 -35.4 Dark Up 35.9 136.0 Up 04:27:34 - 04:57:34 -512
George/Umatilla 04:42:28 -36.1 Dark Up 36.2 138.3 Up 04:27:28 - 04:57:28 -514
PNWRO 04:42:26 -36.3 Dark Up 36.3 138.8 Up 04:27:26 - 04:57:26 -520
Madras/Culver 04:42:36 -35.6 Dark Up 36.3 135.7 Up 04:27:36 - 04:57:36 -542
Sisters 04:42:38 -35.5 Dark Up 36.3 135.1 Up 04:27:38 - 04:57:38 -550
Redmond 04:42:37 -35.7 Dark Up 36.5 135.5 Up 04:27:37 - 04:57:37 -561
Bend 04:42:38 -35.8 Dark Up 36.6 135.2 Up 04:27:38 - 04:57:38 -570
Oregon Observatory 04:42:39 -35.7 Dark Up 36.7 135.0 Up 04:27:39 - 04:57:39 -577
La Pine/Gilchrist 04:42:40 -35.8 Dark Up 36.8 134.8 Up 04:27:40 - 04:57:40 -587
North Lake 04:42:40 -36.4 Dark Up 37.4 135.2 Up 04:27:40 - 04:57:40 -628
Chiloquin 04:42:44 -36.1 Dark Up 37.4 133.9 Up 04:27:44 - 04:57:44 -644
Klamath Falls 04:42:45 -36.3 Dark Up 37.7 133.8 Up 04:27:45 - 04:57:45 -666
Paisley 04:42:40 -36.9 Dark Up 38.0 135.3 Up 04:27:40 - 04:57:40 -670
Tulelake 04:42:45 -36.6 Dark Up 38.0 133.9 Up 04:27:45 - 04:57:45 -690
Lakeview 04:42:41 -37.2 Dark Up 38.4 135.3 Up 04:27:41 - 04:57:41 -706
Fall River/Burney 04:42:47 -37.0 Dark Up 38.7 133.5 Up 04:27:47 - 04:57:47 -749
Cedarville 04:42:42 -37.6 Dark Up 39.0 135.1 Up 04:27:42 - 04:57:42 -751
Susanville 04:42:47 -37.8 Dark Up 39.5 133.9 Up 04:27:47 - 04:57:47 -808
Greenville 04:42:49 -37.7 Dark Up 39.6 133.5 Up 04:27:49 - 04:57:49 -818
Gimple 04:42:48 -37.8 Dark Up 39.6 133.6 Up 04:27:48 - 04:57:48 -820
Quincy 04:42:49 -37.8 Dark Up 39.7 133.4 Up 04:27:49 - 04:57:49 -831
Portola 04:42:48 -38.2 Dark Up 40.1 133.8 Up 04:27:48 - 04:57:48 -852
Reno 04:42:47 -38.7 Dark Up 40.6 134.3 Up 04:27:47 - 04:57:47 -887
Carson City 04:42:48 -38.9 Dark Up 40.9 134.1 Up 04:27:48 - 04:57:48 -911
Gardnerville 04:42:49 -39.1 Dark Up 41.1 134.0 Up 04:27:49 - 04:57:49 -928
Yerington 04:42:47 -39.4 Dark Up 41.3 134.7 Up 04:27:47 - 04:57:47 -941
Hawthorne 04:42:47 -40.0 Dark Up 42.0 135.0 Up 04:27:47 - 04:57:47 -987
Lee Vining 04:42:50 -39.9 Dark Up 42.1 134.1 Up 04:27:50 - 04:57:50 -1011
Tonopah 04:42:44 -41.2 Dark Up 43.1 136.3 Up 04:27:44 - 04:57:44 -1059
Bishop 04:42:49 -40.7 Dark Up 42.9 134.5 Up 04:27:49 - 04:57:49 -1073
Lone Pine 04:42:50 -41.2 Dark Up 43.7 134.4 Up 04:27:50 - 04:57:50 -1135
CPSLO 04:43:01 -39.8 Dark Up 43.0 130.7 Up 04:28:01 - 04:58:01 -1151
Beatty 04:42:46 -42.0 Dark Up 44.2 136.1 Up 04:27:46 - 04:57:46 -1152
Indian Springs 04:42:43 -43.0 Dark Up 45.0 137.1 Up 04:27:43 - 04:57:43 -1207
Henderson 04:42:43 -43.7 Dark Up 45.8 137.6 Up 04:27:43 - 04:57:43 -1266
Niwot 04:42:03 -47.8 Dark Up 46.8 152.5 Up 04:27:03 - 04:57:03 -1276
SwRI 04:42:04 -47.8 Dark Up 46.9 152.3 Up 04:27:04 - 04:57:04 -1280
Wildwood 04:42:59 -41.8 Dark Up 45.1 132.1 Up 04:27:59 - 04:57:59 -1299
Searchlight/Boulder City 04:42:44 -44.0 Dark Up 46.2 137.3 Up 04:27:44 - 04:57:44 -1310
Laughlin/Bullhead City 04:42:44 -44.4 Dark Up 46.6 137.5 Up 04:27:44 - 04:57:44 -1342
Patrick 04:42:41 -44.8 Dark Up 46.8 138.5 Up 04:27:41 - 04:57:41 -1346
Kingman/Dolan Springs 04:42:42 -44.8 Dark Up 46.9 138.1 Up 04:27:42 - 04:57:42 -1356
Mohave Valley 04:42:44 -44.5 Dark Up 46.8 137.3 Up 04:27:44 - 04:57:44 -1362
Idyllwild 04:42:54 -43.4 Dark Up 46.5 133.9 Up 04:27:54 - 04:57:54 -1382
DCO 04:42:39 -45.4 Dark Up 47.4 139.1 Up 04:27:39 - 04:57:39 -1390
Lake Havasu City 04:42:45 -44.9 Dark Up 47.3 137.3 Up 04:27:45 - 04:57:45 -1399
Parker 04:42:45 -45.1 Dark Up 47.5 137.1 Up 04:27:45 - 04:57:45 -1426
Blythe 04:42:48 -45.1 Dark Up 47.8 136.3 Up 04:27:48 - 04:57:48 -1456
Calipatria 04:42:52 -44.6 Dark Up 47.6 134.8 Up 04:27:52 - 04:57:52 -1464
Yuma 04:42:50 -45.4 Dark Up 48.4 135.6 Up 04:27:50 - 04:57:50 -1525

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 14OC394, (2024/10/14 04:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 36.86  18
Algenib        00:13:14.2 +15:11:01  2.8 15.33  37
44 Psc         00:25:24.2 +01:56:22  5.8  1.77  31
10 Cet         00:26:37.5 -00:02:59  7.0  0.48  31
PPM 174724     00:28:09.0 -00:00:50 10.2  0.31  31
14OC394        00:27:59.7 +00:17:35 15.7        31
Positions are for J2000

Event circumstances last updated at 2019/06/08 09:00:37 UT

Marc W. Buie, Southwest Research Institute

RECON