RECON: TNO occultation with 14OL394

Event between 14OL394 and star GA1020:00208190 with event index number of 1332593

Geocentric closest approach at 2023/12/30 05:11:54 UTC

J2000 position of star is 02:17:18.7 +12:55:17
Equinox of date position of star is 02:18:21.9 +13:00:38
Stellar brightness G=15.4, use SENSEUP=128
Star is 98 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 31.1 AU from the Sun and 30.6 AU from the Earth.
The TNO is moving 8.4 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 684 seconds.
The 1-sigma cross-track error in the shadow position is 3559 km.
The sky-plane scale is 22205.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.7
Diameter=171.4 km assuming a 5% albedo -- 20.4 sec chord
Diameter=70.0 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is 5:3EE
 
 
 
 
 
 

Star training set for 14OL394, (2023/12/30 05:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.0 +16:33:21  0.8 33.67  66
6Bet Ari       01:55:58.2 +20:55:28  2.6  9.57 100
19 Ari         02:14:22.1 +15:23:28  5.7  2.57  98
PPM 118118     02:20:10.5 +13:06:08  7.9  0.39  98
14OL394        02:18:36.7 +13:01:53 15.4        98
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 1.3 sigma about the mid-time.
The median site spacing is 22.3 km RECON observability=1.0 and success probability=9.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:06:38 -47.1 Dark Up 49.1 212.8 Up 04:51:38 - 05:21:38 5409
Summerland 05:06:40 -47.0 Dark Up 49.4 212.6 Up 04:51:40 - 05:21:40 5386
Penticton 05:06:40 -47.1 Dark Up 49.5 212.8 Up 04:51:40 - 05:21:40 5378
Okanagan Falls 05:06:40 -47.2 Dark Up 49.6 212.9 Up 04:51:40 - 05:21:40 5360
Oliver 05:06:39 -47.2 Dark Up 49.8 213.0 Up 04:51:39 - 05:21:39 5345
Anarchist Mountain Observatory 05:06:37 -47.4 Dark Up 49.8 213.4 Up 04:51:37 - 05:21:37 5325
Oroville 05:06:39 -47.4 Dark Up 49.9 213.3 Up 04:51:39 - 05:21:39 5320
Tonasket 05:06:39 -47.5 Dark Up 50.1 213.5 Up 04:51:39 - 05:21:39 5298
Okanogan 05:06:38 -47.5 Dark Up 50.5 213.5 Up 04:51:38 - 05:21:38 5269
Brewster 05:06:41 -47.5 Dark Up 50.8 213.4 Up 04:51:41 - 05:21:41 5247
Manson/Chelan 05:06:45 -47.3 Dark Up 51.1 213.1 Up 04:51:45 - 05:21:45 5233
Entiat 05:06:46 -47.4 Dark Up 51.3 213.1 Up 04:51:46 - 05:21:46 5214
Wenatchee 05:06:47 -47.4 Dark Up 51.5 213.1 Up 04:51:47 - 05:21:47 5191
Ellensburg 05:06:49 -47.4 Dark Up 51.9 213.1 Up 04:51:49 - 05:21:49 5156
Yakima 05:06:48 -47.5 Dark Up 52.3 213.4 Up 04:51:48 - 05:21:48 5118
Toppenish/White Swan 05:06:47 -47.7 Dark Up 52.4 213.8 Up 04:51:47 - 05:21:47 5094
Pasco 05:06:37 -48.5 Dark Up 52.0 215.7 Up 04:51:37 - 05:21:37 5059
Goldendale 05:06:52 -47.6 Dark Up 53.0 213.6 Up 04:51:52 - 05:21:52 5049
The Dalles 05:06:54 -47.4 Dark Up 53.3 213.2 Up 04:51:54 - 05:21:54 5034
PNWRO 05:06:37 -48.7 Dark Up 52.1 216.2 Up 04:51:37 - 05:21:37 5031
George/Umatilla 05:06:39 -48.5 Dark Up 52.4 215.6 Up 04:51:39 - 05:21:39 5031
Maupin 05:06:54 -47.6 Dark Up 53.7 213.7 Up 04:51:54 - 05:21:54 4992
Madras/Culver 05:06:54 -47.7 Dark Up 54.1 214.0 Up 04:51:54 - 05:21:54 4940
Sisters 05:06:59 -47.5 Dark Up 54.6 213.6 Up 04:51:59 - 05:21:59 4916
Redmond 05:06:54 -47.8 Dark Up 54.4 214.2 Up 04:51:54 - 05:21:54 4906
Bend 05:06:57 -47.7 Dark Up 54.7 214.2 Up 04:51:57 - 05:21:57 4888
Oregon Observatory 05:06:58 -47.7 Dark Up 54.9 214.1 Up 04:51:58 - 05:21:58 4873
La Pine/Gilchrist 05:06:59 -47.7 Dark Up 55.1 214.2 Up 04:51:59 - 05:21:59 4855
North Lake 05:06:54 -48.2 Dark Up 55.2 215.5 Up 04:51:54 - 05:21:54 4800
Chiloquin 05:07:03 -47.7 Dark Up 56.1 214.6 Up 04:52:03 - 05:22:03 4753
Paisley 05:06:52 -48.6 Dark Up 55.5 216.5 Up 04:51:52 - 05:21:52 4739
Klamath Falls 05:07:02 -47.8 Dark Up 56.4 215.0 Up 04:52:02 - 05:22:02 4717
Lakeview 05:06:49 -48.8 Dark Up 55.8 217.2 Up 04:51:49 - 05:21:49 4685
Tulelake 05:07:01 -48.1 Dark Up 56.5 215.7 Up 04:52:01 - 05:22:01 4685
Cedarville 05:06:49 -49.1 Dark Up 56.2 218.1 Up 04:51:49 - 05:21:49 4616
Fall River/Burney 05:07:01 -48.3 Dark Up 57.2 216.7 Up 04:52:01 - 05:22:01 4593
Susanville 05:06:55 -49.0 Dark Up 57.3 218.4 Up 04:51:55 - 05:21:55 4515
Greenville 05:06:57 -48.8 Dark Up 57.7 218.2 Up 04:51:57 - 05:21:57 4493
Gimple 05:06:57 -48.9 Dark Up 57.6 218.4 Up 04:51:57 - 05:21:57 4491
Quincy 05:06:58 -48.9 Dark Up 57.8 218.4 Up 04:51:58 - 05:21:58 4473
Portola 05:06:53 -49.2 Dark Up 57.7 219.3 Up 04:51:53 - 05:21:53 4450
Reno 05:06:49 -49.8 Dark Up 57.6 220.6 Up 04:51:49 - 05:21:49 4410
Carson City 05:06:48 -49.8 Dark Up 57.9 221.0 Up 04:51:48 - 05:21:48 4373
Gardnerville 05:06:49 -49.9 Dark Up 58.0 221.3 Up 04:51:49 - 05:21:49 4348
Yerington 05:06:43 -50.3 Dark Up 57.7 222.1 Up 04:51:43 - 05:21:43 4341
Hawthorne 05:06:40 -50.8 Dark Up 57.8 223.4 Up 04:51:40 - 05:21:40 4283
Lee Vining 05:06:43 -50.6 Dark Up 58.4 223.3 Up 04:51:43 - 05:21:43 4235
Niwot 05:04:42 -59.9 Dark Up 49.0 238.5 Up 04:49:42 - 05:19:42 4223
SwRI 05:04:42 -59.9 Dark Up 49.1 238.5 Up 04:49:42 - 05:19:42 4214
Tonopah 05:06:25 -52.0 Dark Up 57.3 226.0 Up 04:51:25 - 05:21:25 4207
Bishop 05:06:37 -51.2 Dark Up 58.5 225.1 Up 04:51:37 - 05:21:37 4159
Beatty 05:06:24 -52.5 Dark Up 57.9 228.0 Up 04:51:24 - 05:21:24 4079
Lone Pine 05:06:36 -51.6 Dark Up 58.8 226.5 Up 04:51:36 - 05:21:36 4074
Indian Springs 05:06:14 -53.4 Dark Up 57.5 229.8 Up 04:51:14 - 05:21:14 4025
CPSLO 05:07:02 -49.7 Dark Up 61.2 224.1 Up 04:52:02 - 05:22:02 3995
Henderson 05:06:08 -54.0 Dark Up 57.4 231.4 Up 04:51:08 - 05:21:08 3956
Searchlight/Boulder City 05:06:08 -54.2 Dark Up 57.7 232.2 Up 04:51:08 - 05:21:08 3895
Patrick 05:05:57 -55.0 Dark Up 57.1 233.6 Up 04:50:57 - 05:20:57 3869
Laughlin/Bullhead City 05:06:04 -54.5 Dark Up 57.7 233.0 Up 04:51:04 - 05:21:04 3857
Kingman/Dolan Springs 05:05:59 -54.9 Dark Up 57.3 233.7 Up 04:50:59 - 05:20:59 3849
Mohave Valley 05:06:05 -54.5 Dark Up 57.8 233.4 Up 04:51:05 - 05:21:05 3828
Wildwood 05:06:44 -51.5 Dark Up 60.8 228.9 Up 04:51:44 - 05:21:44 3825
DCO 05:05:51 -55.6 Dark Up 56.8 234.9 Up 04:50:51 - 05:20:51 3824
Lake Havasu City 05:06:03 -54.8 Dark Up 57.9 234.2 Up 04:51:03 - 05:21:03 3781
Idyllwild 05:06:27 -53.0 Dark Up 59.9 232.1 Up 04:51:27 - 05:21:27 3748
Parker 05:06:03 -54.9 Dark Up 58.1 234.7 Up 04:51:03 - 05:21:03 3744
Blythe 05:06:06 -54.7 Dark Up 58.6 235.0 Up 04:51:06 - 05:21:06 3694
Calipatria 05:06:15 -54.0 Dark Up 59.5 234.5 Up 04:51:15 - 05:21:15 3660
Yuma 05:06:07 -54.8 Dark Up 59.1 236.3 Up 04:51:07 - 05:21:07 3597

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 14OL394, (2023/12/30 05:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 33.67  66
6Bet Ari       01:54:38.5 +20:48:27  2.6  9.57 100
19 Ari         02:13:03.4 +15:16:47  5.7  2.57  98
PPM 118118     02:18:52.5 +12:59:33  7.9  0.39  98
14OL394        02:17:18.7 +12:55:17 15.4        98
Positions are for J2000

Event circumstances last updated at 2019/06/08 06:20:21 UT

Marc W. Buie, Southwest Research Institute

RECON