RECON: TNO occultation with 06UO321

Event between 06UO321 and star GA0940:00105385 with event index number of 223104

Geocentric closest approach at 2018/10/17 09:13:26 UTC

J2000 position of star is 01:10:57.7 +05:37:55
Equinox of date position of star is 01:11:56.1 +05:43:52
Stellar brightness G=15.0, use SENSEUP=128
Star is 78 degrees from the moon. Moon is 56% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 42.6 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 25.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is 1834 km.
The sky-plane scale is 30209.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=196.8 km assuming a 5% albedo -- 7.8 sec chord
Diameter=80.3 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 06UO321, (2018/10/17 09:13UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:12.4 +15:17:17  2.8 17.09  69
80 Psc         01:09:20.4 +05:44:55  5.5  0.65  77
PPM 144383     01:14:50.2 +05:14:27  7.8  0.87  78
PPM 144344     01:11:53.0 +05:57:36  9.9  0.23  78
PPM 144340     01:11:39.7 +05:33:51 11.0  0.18  78
06UO321        01:11:56.3 +05:43:53 15.0        78
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 5.0 sigma about the mid-time.
The median site spacing is 20.5 km RECON observability=1.0 and success probability=2.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 09:11:12 -45.4 Dark Down 40.4 215.7 Up 09:01:59 - 09:20:26 -5012
Penticton 09:11:12 -45.8 Dark Down 40.8 215.7 Up 09:01:59 - 09:20:26 -5041
Okanagan Falls 09:11:12 -46.0 Dark Down 41.0 215.7 Up 09:01:59 - 09:20:26 -5057
Southern Okanagan 09:11:12 -46.1 Dark Down 41.1 215.9 Up 09:01:59 - 09:20:26 -5072
Oroville 09:11:12 -46.3 Dark Down 41.2 216.1 Up 09:01:58 - 09:20:25 -5096
Tonasket 09:11:12 -46.5 Dark Down 41.4 216.3 Up 09:01:58 - 09:20:25 -5116
Okanogan 09:11:12 -46.8 Dark Down 41.8 216.2 Up 09:01:59 - 09:20:26 -5143
Brewster 09:11:13 -47.1 Dark Down 42.1 216.1 Up 09:01:59 - 09:20:26 -5163
Manson/Chelan 09:11:14 -47.4 Dark Down 42.4 215.8 Up 09:02:00 - 09:20:27 -5173
Entiat 09:11:14 -47.6 Dark Down 42.6 215.8 Up 09:02:00 - 09:20:27 -5191
Wenatchee 09:11:14 -47.9 Dark Down 42.8 215.8 Up 09:02:01 - 09:20:28 -5212
Ellensburg 09:11:15 -48.3 Dark Down 43.2 215.8 Up 09:02:01 - 09:20:28 -5244
Yakima 09:11:15 -48.7 Dark Down 43.6 216.0 Up 09:02:01 - 09:20:28 -5280
Toppenish/White Swan 09:11:14 -48.8 Dark Down 43.7 216.3 Up 09:02:01 - 09:20:28 -5304
Pasco 09:11:11 -48.4 Dark Down 43.3 218.0 Up 09:01:58 - 09:20:25 -5343
Goldendale 09:11:15 -49.4 Dark Down 44.3 216.1 Up 09:02:02 - 09:20:29 -5344
The Dalles 09:11:16 -49.7 Dark Down 44.6 215.8 Up 09:02:03 - 09:20:30 -5356
George/Umatilla 09:11:11 -48.8 Dark Down 43.6 217.9 Up 09:01:58 - 09:20:25 -5369
PNWRO 09:11:10 -48.5 Dark Down 43.4 218.4 Up 09:01:57 - 09:20:24 -5371
Maupin 09:11:16 -50.0 Dark Down 44.9 216.2 Up 09:02:02 - 09:20:29 -5397
Madras/Culver 09:11:16 -50.5 Dark Down 45.4 216.4 Up 09:02:02 - 09:20:29 -5446
Sisters 09:11:17 -51.0 Dark Down 45.9 216.1 Up 09:02:04 - 09:20:31 -5466
Redmond 09:11:16 -50.8 Dark Down 45.7 216.6 Up 09:02:03 - 09:20:30 -5477
Bend 09:11:17 -51.1 Dark Down 45.9 216.5 Up 09:02:03 - 09:20:30 -5494
Oregon Observatory 09:11:17 -51.3 Dark Down 46.1 216.5 Up 09:02:03 - 09:20:30 -5507
La Pine/Gilchrist 09:11:17 -51.5 Dark Down 46.3 216.5 Up 09:02:04 - 09:20:31 -5524
North Lake 09:11:15 -51.6 Dark Down 46.4 217.6 Up 09:02:02 - 09:20:29 -5579
Chiloquin 09:11:18 -52.5 Dark Down 47.4 216.8 Up 09:02:05 - 09:20:32 -5619
Paisley 09:11:15 -51.9 Dark Down 46.7 218.4 Up 09:02:01 - 09:20:28 -5639
Klamath Falls 09:11:18 -52.8 Dark Down 47.6 217.1 Up 09:02:05 - 09:20:32 -5653
Tulelake 09:11:17 -52.9 Dark Down 47.7 217.7 Up 09:02:04 - 09:20:31 -5685
Lakeview 09:11:14 -52.2 Dark Down 47.0 219.0 Up 09:02:01 - 09:20:28 -5691
Cedarville 09:11:14 -52.7 Dark Down 47.4 219.7 Up 09:02:00 - 09:20:27 -5757
Fall River/Burney 09:11:17 -53.6 Dark Down 48.4 218.4 Up 09:02:04 - 09:20:31 -5773
Susanville 09:11:15 -53.8 Dark Down 48.5 219.8 Up 09:02:01 - 09:20:28 -5852
Greenville 09:11:16 -54.2 Dark Down 48.9 219.7 Up 09:02:03 - 09:20:30 -5870
Gimple 09:11:16 -54.1 Dark Down 48.8 219.8 Up 09:02:02 - 09:20:29 -5873
Quincy 09:11:16 -54.3 Dark Down 49.0 219.8 Up 09:02:03 - 09:20:30 -5890
Portola 09:11:15 -54.2 Dark Down 48.9 220.5 Up 09:02:01 - 09:20:28 -5914
Reno 09:11:13 -54.1 Dark Down 48.7 221.6 Up 09:01:59 - 09:20:26 -5956
Carson City 09:11:13 -54.4 Dark Down 49.0 221.9 Up 09:01:59 - 09:20:26 -5991
Gardnerville 09:11:13 -54.5 Dark Down 49.2 222.1 Up 09:01:59 - 09:20:26 -6016
Yerington 09:11:11 -54.2 Dark Down 48.8 222.8 Up 09:01:58 - 09:20:25 -6026
Hawthorne 09:11:10 -54.3 Dark Down 48.9 223.8 Up 09:01:56 - 09:20:23 -6084
Lee Vining 09:11:11 -55.0 Dark Down 49.5 223.7 Up 09:01:58 - 09:20:25 -6127
Tonopah 09:11:06 -53.9 Dark Down 48.4 226.0 Up 09:01:52 - 09:20:19 -6165
Bishop 09:11:09 -55.1 Dark Down 49.6 225.1 Up 09:01:56 - 09:20:23 -6204
Niwot 09:10:34 -45.5 Dark Down 39.9 237.5 Up 09:01:20 - 09:19:47 -6222
Lone Pine 09:11:08 -55.4 Dark Down 49.9 226.1 Up 09:01:55 - 09:20:22 -6288
Beatty 09:11:04 -54.5 Dark Down 49.0 227.5 Up 09:01:51 - 09:20:18 -6291
CPSLO 09:11:17 -57.8 Dark Down 52.3 224.0 Up 09:02:03 - 09:20:30 -6349
Indian Springs 09:11:01 -54.1 Dark Down 48.5 229.1 Up 09:01:48 - 09:20:15 -6350
Henderson 09:11:00 -54.1 Dark Down 48.5 230.3 Up 09:01:46 - 09:20:13 -6420
Searchlight/Boulder City 09:11:00 -54.4 Dark Down 48.8 230.9 Up 09:01:46 - 09:20:13 -6479
Patrick 09:10:57 -53.8 Dark Down 48.2 232.2 Up 09:01:43 - 09:20:10 -6510
Laughlin/Bullhead City 09:10:58 -54.4 Dark Down 48.8 231.6 Up 09:01:45 - 09:20:12 -6518
Wildwood 09:11:11 -57.5 Dark Down 51.9 227.7 Up 09:01:57 - 09:20:24 -6524
Kingman/Dolan Springs 09:10:57 -54.0 Dark Down 48.4 232.1 Up 09:01:43 - 09:20:10 -6528
Mohave Valley 09:10:59 -54.5 Dark Down 48.9 231.8 Up 09:01:45 - 09:20:12 -6546
DCO 09:10:54 -53.5 Dark Down 47.9 233.2 Up 09:01:41 - 09:20:08 -6558
Lake Havasu City 09:10:58 -54.6 Dark Down 49.0 232.5 Up 09:01:44 - 09:20:11 -6592
Idyllwild 09:11:05 -56.6 Dark Down 51.0 230.4 Up 09:01:52 - 09:20:19 -6610
Parker 09:10:58 -54.8 Dark Down 49.2 232.8 Up 09:01:44 - 09:20:11 -6629
Blythe 09:10:59 -55.4 Dark Down 49.7 233.0 Up 09:01:46 - 09:20:13 -6675
Calipatria 09:11:02 -56.3 Dark Down 50.6 232.4 Up 09:01:48 - 09:20:15 -6702
Yuma 09:10:59 -56.0 Dark Down 50.3 233.8 Up 09:01:46 - 09:20:13 -6768

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 06UO321, (2018/10/17 09:13UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8 17.09  69
80 Psc         01:08:21.9 +05:38:55  5.5  0.65  77
PPM 144383     01:13:51.7 +05:08:30  7.8  0.87  78
PPM 144344     01:10:54.5 +05:51:37  9.9  0.23  78
PPM 144340     01:10:41.2 +05:27:53 11.0  0.18  78
06UO321        01:10:57.7 +05:37:55 15.0        78
Positions are for J2000

Event circumstances last updated at 2018/09/28 17:38:38 UT

Marc W. Buie, Southwest Research Institute

RECON