RECON: TNO occultation with 363401

Event between (363401) 03LB7 and star GA0660:08235399 with event index number of 212760

Geocentric closest approach at 2019/09/26 02:47:59 UTC

J2000 position of star is 16:52:53.1 -23:33:41
Equinox of date position of star is 16:54:01.1 -23:35:28
Stellar brightness G=15.9, use SENSEUP=128
Star is 110 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 41.3 AU from the Sun and 41.6 AU from the Earth.
The TNO is moving 14.4 km/sec on the sky relative to the star, or, 1.7 arcsec/hr.
The 1-sigma error in the time of the event is 803 seconds.
The 1-sigma cross-track error in the shadow position is 5383 km.
The sky-plane scale is 30196.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 19.1 sec chord
Diameter=112.4 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 363401, (2019/09/26 02:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:37.2 -26:28:27  0.9  6.04 105
23Tau Sco      16:37:06.9 -28:15:19  2.8  6.02 107
26 Oph         17:01:22.2 -25:01:03  5.8  2.19 111
PPM 266128     16:56:02.5 -23:32:35  6.9  0.45 110
PPM 266077     16:54:02.4 -23:20:19  9.4  0.25 110
363401         16:54:04.8 -23:35:34 15.9       110
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 1.1 sigma about the mid-time.
The median site spacing is 23.5 km RECON observability=0.2 and success probability=0.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 02:50:04 -10.6 NT Down 10.4 211.9 Really Low 02:35:04 - 03:05:04 14246
Penticton 02:50:05 -10.6 NT Down 10.8 211.8 Really Low 02:35:05 - 03:05:05 14236
Okanagan Falls 02:50:07 -10.6 NT Down 10.9 211.8 Really Low 02:35:07 - 03:05:07 14230
Southern Okanagan 02:50:06 -10.6 NT Down 11.1 211.8 Really Low 02:35:06 - 03:05:06 14224
Oroville 02:50:09 -10.8 NT Down 11.2 212.0 Really Low 02:35:09 - 03:05:09 14214
Tonasket 02:50:09 -10.8 NT Down 11.4 212.0 Really Low 02:35:09 - 03:05:09 14206
Okanogan 02:50:10 -10.8 NT Down 11.8 211.9 Really Low 02:35:10 - 03:05:10 14196
Brewster 02:50:10 -10.7 NT Down 12.1 211.8 Really Low 02:35:10 - 03:05:10 14188
Manson/Chelan 02:50:09 -10.5 NT Down 12.4 211.5 Really Low 02:35:09 - 03:05:09 14185
Entiat 02:50:07 -10.5 NT Down 12.6 211.4 Really Low 02:35:07 - 03:05:07 14177
Wenatchee 02:50:10 -10.5 NT Down 12.8 211.4 Really Low 02:35:10 - 03:05:10 14169
Ellensburg 02:50:10 -10.4 NT Down 13.3 211.2 Really Low 02:35:10 - 03:05:10 14156
Yakima 02:50:11 -10.4 NT Down 13.6 211.3 Really Low 02:35:11 - 03:05:11 14140
Toppenish/White Swan 02:50:13 -10.6 NT Down 13.7 211.5 Really Low 02:35:13 - 03:05:13 14130
Goldendale 02:50:14 -10.4 NT Down 14.4 211.2 Really Low 02:35:14 - 03:05:14 14113
Pasco 02:50:20 -11.5 NT Down 13.4 212.6 Really Low 02:35:20 - 03:05:20 14110
The Dalles 02:50:11 -10.2 NT Down 14.7 210.9 Really Low 02:35:11 - 03:05:11 14108
George/Umatilla 02:50:18 -11.4 NT Down 13.7 212.4 Really Low 02:35:18 - 03:05:18 14099
PNWRO 02:50:21 -11.7 NT Down 13.5 212.8 Really Low 02:35:21 - 03:05:21 14098
Maupin 02:50:14 -10.3 NT Down 15.0 211.0 Really Low 02:35:14 - 03:05:14 14089
Madras/Culver 02:50:15 -10.4 NT Down 15.5 211.1 Really Low 02:35:15 - 03:05:15 14067
Sisters 02:50:13 -10.1 NT Down 16.0 210.7 Really Low 02:35:13 - 03:05:13 14058
Redmond 02:50:17 -10.4 NT Down 15.8 211.1 Really Low 02:35:17 - 03:05:17 14052
Bend 02:50:17 -10.3 NT Down 16.1 211.0 Really Low 02:35:17 - 03:05:17 14045
Oregon Observatory 02:50:16 -10.3 NT Down 16.3 210.9 Really Low 02:35:16 - 03:05:16 14038
La Pine/Gilchrist 02:50:14 -10.2 NT Down 16.5 210.9 Really Low 02:35:14 - 03:05:14 14030
North Lake 02:50:20 -10.8 NT Down 16.6 211.5 Really Low 02:35:20 - 03:05:20 14004
Chiloquin 02:50:19 -10.2 NT Down 17.5 210.7 Really Low 02:35:19 - 03:05:19 13984
Paisley 02:50:24 -11.1 NT Down 16.9 211.9 Really Low 02:35:24 - 03:05:24 13975
Klamath Falls 02:50:20 -10.3 NT Down 17.8 210.9 Really Low 02:35:20 - 03:05:20 13968
Tulelake 02:50:22 -10.5 NT Down 17.9 211.2 Really Low 02:35:22 - 03:05:22 13952
Lakeview 02:50:28 -11.4 NT Down 17.3 212.2 Really Low 02:35:28 - 03:05:28 13949
Cedarville 02:50:30 -11.6 NT Down 17.7 212.4 Really Low 02:35:30 - 03:05:30 13916
Fall River/Burney 02:50:25 -10.7 NT Down 18.7 211.4 Really Low 02:35:25 - 03:05:25 13907
Susanville 02:50:31 -11.4 NT Down 18.9 212.2 Really Low 02:35:31 - 03:05:31 13867
Greenville 02:50:31 -11.2 NT Down 19.2 212.0 Really Low 02:35:31 - 03:05:31 13857
Gimple 02:50:30 -11.3 NT Down 19.2 212.1 Really Low 02:35:30 - 03:05:30 13856
Quincy 02:50:31 -11.3 NT Down 19.4 212.0 Really Low 02:35:31 - 03:05:31 13847
Portola 02:50:33 -11.6 NT Down 19.3 212.5 Really Low 02:35:33 - 03:05:33 13835
Reno 02:50:39 -12.2 AT Down 19.3 213.1 Really Low 02:35:39 - 03:05:39 13813
Carson City 02:50:39 -12.3 AT Down 19.5 213.2 Really Low 02:35:39 - 03:05:39 13794
Gardnerville 02:50:42 -12.3 AT Down 19.7 213.3 Really Low 02:35:42 - 03:05:42 13781
Yerington 02:50:44 -12.8 AT Down 19.4 213.8 Really Low 02:35:44 - 03:05:44 13775
Hawthorne 02:50:48 -13.3 AT Down 19.6 214.4 Really Low 02:35:48 - 03:05:48 13744
Lee Vining 02:50:47 -13.0 AT Down 20.3 214.1 Low 02:35:47 - 03:05:47 13720
Tonopah 02:50:57 -14.5 AT Down 19.3 215.7 Really Low 02:35:57 - 03:05:57 13698
Bishop 02:50:53 -13.7 AT Down 20.4 214.8 Low 02:35:53 - 03:05:53 13677
Lone Pine 02:50:57 -14.1 AT Down 20.9 215.3 Low 02:35:57 - 03:05:57 13630
Beatty 02:51:03 -15.1 AT Down 20.0 216.3 Low 02:36:03 - 03:06:03 13627
Niwot 02:51:47 -23.2 Dark Down 11.6 225.1 Really Low 02:36:47 - 03:06:47 13593
Indian Springs 02:51:10 -16.0 AT Down 19.7 217.3 Really Low 02:36:10 - 03:06:10 13592
CPSLO 02:50:47 -12.2 AT Down 23.2 213.3 Low 02:35:47 - 03:05:47 13591
Henderson 02:51:16 -16.7 AT Down 19.8 218.1 Really Low 02:36:16 - 03:06:16 13549
Searchlight/Boulder City 02:51:18 -16.9 AT Down 20.2 218.2 Low 02:36:18 - 03:06:18 13515
Patrick 02:51:23 -17.7 AT Down 19.7 219.1 Really Low 02:36:23 - 03:06:23 13494
Laughlin/Bullhead City 02:51:19 -17.2 AT Down 20.3 218.6 Low 02:36:19 - 03:06:19 13491
Wildwood 02:51:00 -14.0 AT Down 23.2 215.4 Low 02:36:00 - 03:06:00 13491
Kingman/Dolan Springs 02:51:24 -17.6 AT Down 20.0 219.0 Really Low 02:36:24 - 03:06:24 13484
Mohave Valley 02:51:22 -17.3 AT Down 20.5 218.7 Low 02:36:22 - 03:06:22 13475
DCO 02:51:29 -18.4 Dark Down 19.6 219.8 Really Low 02:36:29 - 03:06:29 13463
Lake Havasu City 02:51:23 -17.5 AT Down 20.7 219.0 Low 02:36:23 - 03:06:23 13446
Idyllwild 02:51:12 -15.7 AT Down 22.5 217.2 Low 02:36:12 - 03:06:12 13440
Parker 02:51:26 -17.6 AT Down 20.9 219.1 Low 02:36:26 - 03:06:26 13424
Blythe 02:51:25 -17.5 AT Down 21.5 219.0 Low 02:36:25 - 03:06:25 13397
Calipatria 02:51:22 -16.8 AT Down 22.4 218.3 Low 02:36:22 - 03:06:22 13382
Yuma 02:51:29 -17.6 AT Down 22.2 219.2 Low 02:36:29 - 03:06:29 13340

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 363401, (2019/09/26 02:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  6.04 105
23Tau Sco      16:35:53.0 -28:12:58  2.8  6.02 107
26 Oph         17:00:09.6 -24:59:22  5.8  2.19 111
PPM 266128     16:54:50.8 -23:30:45  6.9  0.45 110
PPM 266077     16:52:50.8 -23:18:26  9.4  0.25 110
363401         16:52:53.1 -23:33:41 15.9       110
Positions are for J2000

Event circumstances last updated at 2018/09/16 16:11:08 UT

Marc W. Buie, Southwest Research Institute

RECON