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 09:15:15 UTC

J2000 position of star is 01:10:57.7 +05:37:55
Equinox of date position of star is 01:11:55.2 +05:43:46
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 316 seconds.
The 1-sigma cross-track error in the shadow position is 5179 km.
The sky-plane scale is 30210.0 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 09:15UT)
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 2.9 sigma about the mid-time.
The median site spacing is 20.7 km RECON observability=1.0 and success probability=7.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:13:00 -45.7 Dark Down 40.6 216.2 Up 08:58:00 - 09:28:00 -3388
Oroville 09:13:00 -46.1 Dark Down 41.1 216.7 Up 08:58:00 - 09:28:00 -3443
Tonasket 09:13:00 -46.3 Dark Down 41.3 216.8 Up 08:58:00 - 09:28:00 -3464
Okanogan 09:13:00 -46.7 Dark Down 41.6 216.8 Up 08:58:00 - 09:28:00 -3491
Brewster 09:13:01 -47.0 Dark Down 41.9 216.7 Up 08:58:01 - 09:28:01 -3510
Manson/Chelan 09:13:02 -47.3 Dark Down 42.2 216.4 Up 08:58:02 - 09:28:02 -3521
Entiat 09:13:02 -47.5 Dark Down 42.4 216.4 Up 08:58:02 - 09:28:02 -3539
Wenatchee 09:13:02 -47.7 Dark Down 42.6 216.4 Up 08:58:02 - 09:28:02 -3560
Ellensburg 09:13:03 -48.1 Dark Down 43.1 216.4 Up 08:58:03 - 09:28:03 -3592
Yakima 09:13:03 -48.5 Dark Down 43.4 216.6 Up 08:58:03 - 09:28:03 -3628
Toppenish/White Swan 09:13:02 -48.6 Dark Down 43.5 216.9 Up 08:58:02 - 09:28:02 -3652
Pasco 09:12:59 -48.2 Dark Down 43.1 218.5 Up 08:57:59 - 09:27:59 -3691
Goldendale 09:13:03 -49.2 Dark Down 44.1 216.7 Up 08:58:03 - 09:28:03 -3692
The Dalles 09:13:04 -49.6 Dark Down 44.5 216.4 Up 08:58:04 - 09:28:04 -3704
George/Umatilla 09:12:59 -48.6 Dark Down 43.4 218.5 Up 08:57:59 - 09:27:59 -3716
PNWRO 09:12:58 -48.3 Dark Down 43.2 219.0 Up 08:57:58 - 09:27:58 -3718
Maupin 09:13:04 -49.9 Dark Down 44.7 216.7 Up 08:58:04 - 09:28:04 -3745
Madras/Culver 09:13:04 -50.3 Dark Down 45.2 217.0 Up 08:58:04 - 09:28:04 -3794
Sisters 09:13:05 -50.8 Dark Down 45.7 216.6 Up 08:58:05 - 09:28:05 -3814
Redmond 09:13:04 -50.7 Dark Down 45.5 217.2 Up 08:58:04 - 09:28:04 -3826
Bend 09:13:04 -50.9 Dark Down 45.7 217.1 Up 08:58:04 - 09:28:04 -3842
Oregon Observatory 09:13:05 -51.1 Dark Down 45.9 217.1 Up 08:58:05 - 09:28:05 -3855
La Pine/Gilchrist 09:13:05 -51.3 Dark Down 46.1 217.1 Up 08:58:05 - 09:28:05 -3873
North Lake 09:13:04 -51.4 Dark Down 46.2 218.2 Up 08:58:04 - 09:28:04 -3927
Chiloquin 09:13:06 -52.4 Dark Down 47.2 217.4 Up 08:58:06 - 09:28:06 -3968
Paisley 09:13:03 -51.7 Dark Down 46.5 219.0 Up 08:58:03 - 09:28:03 -3988
Klamath Falls 09:13:06 -52.6 Dark Down 47.4 217.7 Up 08:58:06 - 09:28:06 -4002
Tulelake 09:13:05 -52.7 Dark Down 47.5 218.3 Up 08:58:05 - 09:28:05 -4034
Lakeview 09:13:02 -52.0 Dark Down 46.8 219.6 Up 08:58:02 - 09:28:02 -4040
Cedarville 09:13:02 -52.5 Dark Down 47.2 220.2 Up 08:58:02 - 09:28:02 -4106
Fall River/Burney 09:13:05 -53.4 Dark Down 48.1 219.0 Up 08:58:05 - 09:28:05 -4122
Susanville 09:13:03 -53.6 Dark Down 48.3 220.4 Up 08:58:03 - 09:28:03 -4201
Greenville 09:13:04 -54.0 Dark Down 48.6 220.2 Up 08:58:04 - 09:28:04 -4220
Gimple 09:13:04 -53.9 Dark Down 48.6 220.4 Up 08:58:04 - 09:28:04 -4222
Quincy 09:13:04 -54.1 Dark Down 48.8 220.4 Up 08:58:04 - 09:28:04 -4239
Portola 09:13:03 -54.0 Dark Down 48.6 221.1 Up 08:58:03 - 09:28:03 -4263
Reno 09:13:01 -53.9 Dark Down 48.5 222.1 Up 08:58:01 - 09:28:01 -4305
Carson City 09:13:01 -54.2 Dark Down 48.8 222.4 Up 08:58:01 - 09:28:01 -4340
Gardnerville 09:13:01 -54.3 Dark Down 48.9 222.7 Up 08:58:01 - 09:28:01 -4365
Yerington 09:12:59 -54.0 Dark Down 48.6 223.4 Up 08:57:59 - 09:27:59 -4375
Hawthorne 09:12:58 -54.1 Dark Down 48.6 224.4 Up 08:57:58 - 09:27:58 -4433
Lee Vining 09:12:59 -54.8 Dark Down 49.3 224.3 Up 08:57:59 - 09:27:59 -4476
Tonopah 09:12:53 -53.7 Dark Down 48.2 226.5 Up 08:57:53 - 09:27:53 -4514
Bishop 09:12:57 -54.8 Dark Down 49.3 225.7 Up 08:57:57 - 09:27:57 -4553
Niwot 09:12:22 -45.2 Dark Down 39.6 238.0 Up 08:57:22 - 09:27:22 -4568
Lone Pine 09:12:56 -55.2 Dark Down 49.7 226.7 Up 08:57:56 - 09:27:56 -4637
Beatty 09:12:53 -54.2 Dark Down 48.7 228.0 Up 08:57:53 - 09:27:53 -4640
Indian Springs 09:12:49 -53.8 Dark Down 48.3 229.6 Up 08:57:49 - 09:27:49 -4698
CPSLO 09:13:04 -57.5 Dark Down 52.1 224.6 Up 08:58:04 - 09:28:04 -4699
Henderson 09:12:47 -53.8 Dark Down 48.2 230.9 Up 08:57:47 - 09:27:47 -4769
Searchlight/Boulder City 09:12:47 -54.1 Dark Down 48.5 231.4 Up 08:57:47 - 09:27:47 -4828
Patrick 09:12:44 -53.5 Dark Down 47.9 232.7 Up 08:57:44 - 09:27:44 -4859
Laughlin/Bullhead City 09:12:46 -54.1 Dark Down 48.5 232.1 Up 08:57:46 - 09:27:46 -4867
Wildwood 09:12:58 -57.3 Dark Down 51.7 228.3 Up 08:57:58 - 09:27:58 -4874
Kingman/Dolan Springs 09:12:45 -53.8 Dark Down 48.1 232.6 Up 08:57:45 - 09:27:45 -4877
Mohave Valley 09:12:46 -54.3 Dark Down 48.6 232.3 Up 08:57:46 - 09:27:46 -4894
DCO 09:12:42 -53.2 Dark Down 47.6 233.7 Up 08:57:42 - 09:27:42 -4907
Lake Havasu City 09:12:46 -54.4 Dark Down 48.7 233.0 Up 08:57:46 - 09:27:46 -4941
Idyllwild 09:12:53 -56.4 Dark Down 50.7 230.9 Up 08:57:53 - 09:27:53 -4959
Parker 09:12:46 -54.6 Dark Down 48.9 233.3 Up 08:57:46 - 09:27:46 -4978
Blythe 09:12:47 -55.1 Dark Down 49.4 233.5 Up 08:57:47 - 09:27:47 -5024
Calipatria 09:12:49 -56.0 Dark Down 50.3 232.9 Up 08:57:49 - 09:27:49 -5051
Yuma 09:12:47 -55.7 Dark Down 50.0 234.3 Up 08:57:47 - 09:27:47 -5117

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 09:15UT)
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 2018/06/05 16:30:15 UT

Marc W. Buie, Southwest Research Institute

RECON