RECON: TNO occultation with 01QX322

Event between 01QX322 and star GA1200:00297002 with event index number of 211269

Geocentric closest approach at 2019/10/02 09:46:56 UTC

J2000 position of star is 01:47:23.7 +31:44:45
Equinox of date position of star is 01:48:27.2 +31:50:15
Stellar brightness G=16.1, use SENSEUP=128
Star is 148 degrees from the moon. Moon is 18% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 44.1 AU from the Sun and 43.3 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 258 seconds.
The 1-sigma cross-track error in the shadow position is 3613 km.
The sky-plane scale is 31385.1 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=411.2 km assuming a 5% albedo -- 18.4 sec chord
Diameter=167.9 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 01QX322, (2019/10/02 09:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.4 +16:32:51  0.8 41.05 169
Hamal          02:08:17.5 +23:33:18  2.0  9.37 155
PPM 066632     01:49:49.8 +32:47:22  6.2  0.98 148
PPM 066569     01:44:58.2 +32:17:27  7.3  0.88 147
PPM 066597     01:47:16.8 +31:35:06  9.8  0.37 148
PPM 066601     01:47:22.1 +31:59:31 10.9  0.29 148
01QX322        01:48:31.8 +31:50:38 16.1       149
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 3.5 sigma about the mid-time.
The median site spacing is 25.6 km RECON observability=1.0 and success probability=12.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:45:59 -37.6 Dark Down 70.4 208.7 Up 09:30:59 - 10:00:59 -2264
Oroville 09:45:59 -38.0 Dark Down 70.9 209.9 Up 09:30:59 - 10:00:59 -2328
Tonasket 09:45:59 -38.2 Dark Down 71.1 210.2 Up 09:30:59 - 10:00:59 -2353
Okanogan 09:46:00 -38.5 Dark Down 71.4 210.3 Up 09:31:00 - 10:01:00 -2387
Brewster 09:46:01 -38.8 Dark Down 71.8 210.3 Up 09:31:01 - 10:01:01 -2413
Manson/Chelan 09:46:02 -39.1 Dark Down 72.1 209.7 Up 09:31:02 - 10:01:02 -2431
Entiat 09:46:02 -39.3 Dark Down 72.3 209.8 Up 09:31:02 - 10:01:02 -2454
Wenatchee 09:46:03 -39.6 Dark Down 72.5 210.0 Up 09:31:03 - 10:01:03 -2479
Ellensburg 09:46:04 -40.0 Dark Down 73.0 210.1 Up 09:31:04 - 10:01:04 -2521
Yakima 09:46:04 -40.3 Dark Down 73.3 210.7 Up 09:31:04 - 10:01:04 -2564
Toppenish/White Swan 09:46:04 -40.4 Dark Down 73.4 211.5 Up 09:31:04 - 10:01:04 -2589
Pasco 09:45:59 -39.9 Dark Down 73.1 215.1 Up 09:30:59 - 10:00:59 -2618
Goldendale 09:46:05 -41.0 Dark Down 74.1 211.4 Up 09:31:05 - 10:01:05 -2643
PNWRO 09:45:59 -40.0 Dark Down 73.2 216.1 Up 09:30:59 - 10:00:59 -2647
George/Umatilla 09:46:00 -40.3 Dark Down 73.4 215.1 Up 09:31:00 - 10:01:00 -2651
The Dalles 09:46:07 -41.4 Dark Down 74.4 210.8 Up 09:31:07 - 10:01:07 -2662
Maupin 09:46:07 -41.6 Dark Down 74.7 211.9 Up 09:31:07 - 10:01:07 -2708
Madras/Culver 09:46:07 -42.1 Dark Down 75.2 212.8 Up 09:31:07 - 10:01:07 -2766
Sisters 09:46:09 -42.5 Dark Down 75.6 212.2 Up 09:31:09 - 10:01:09 -2795
Redmond 09:46:08 -42.4 Dark Down 75.5 213.4 Up 09:31:08 - 10:01:08 -2804
Bend 09:46:08 -42.6 Dark Down 75.7 213.5 Up 09:31:08 - 10:01:08 -2825
Oregon Observatory 09:46:08 -42.8 Dark Down 75.9 213.4 Up 09:31:08 - 10:01:08 -2842
La Pine/Gilchrist 09:46:09 -43.0 Dark Down 76.1 213.7 Up 09:31:09 - 10:01:09 -2863
North Lake 09:46:07 -43.0 Dark Down 76.2 216.6 Up 09:31:07 - 10:01:07 -2918
Chiloquin 09:46:11 -44.0 Dark Down 77.2 215.3 Up 09:31:11 - 10:01:11 -2977
Paisley 09:46:06 -43.3 Dark Down 76.5 219.1 Up 09:31:06 - 10:01:06 -2983
Klamath Falls 09:46:11 -44.2 Dark Down 77.4 216.4 Up 09:31:11 - 10:01:11 -3015
Lakeview 09:46:06 -43.6 Dark Down 76.8 221.0 Up 09:31:06 - 10:01:06 -3040
Tulelake 09:46:11 -44.3 Dark Down 77.5 218.2 Up 09:31:11 - 10:01:11 -3049
Cedarville 09:46:06 -44.0 Dark Down 77.2 223.5 Up 09:31:06 - 10:01:06 -3114
Fall River/Burney 09:46:11 -44.9 Dark Down 78.2 221.1 Up 09:31:11 - 10:01:11 -3149
Susanville 09:46:08 -45.0 Dark Down 78.2 225.6 Up 09:31:08 - 10:01:08 -3228
Greenville 09:46:10 -45.4 Dark Down 78.6 225.6 Up 09:31:10 - 10:01:10 -3254
Gimple 09:46:09 -45.4 Dark Down 78.5 225.9 Up 09:31:09 - 10:01:09 -3255
Quincy 09:46:10 -45.5 Dark Down 78.7 226.4 Up 09:31:10 - 10:01:10 -3276
Portola 09:46:08 -45.4 Dark Down 78.5 228.3 Up 09:31:08 - 10:01:08 -3296
Reno 09:46:06 -45.2 Dark Down 78.3 231.3 Up 09:31:06 - 10:01:06 -3335
Carson City 09:46:07 -45.5 Dark Down 78.5 232.8 Up 09:31:07 - 10:01:07 -3374
Niwot 09:45:13 -36.2 Dark Down 68.1 255.5 Up 09:30:13 - 10:00:13 -3391
Gardnerville 09:46:06 -45.6 Dark Down 78.7 233.9 Up 09:31:06 - 10:01:06 -3402
Yerington 09:46:04 -45.3 Dark Down 78.3 235.3 Up 09:31:04 - 10:01:04 -3404
Hawthorne 09:46:02 -45.3 Dark Down 78.2 238.6 Up 09:31:02 - 10:01:02 -3462
Lee Vining 09:46:05 -46.0 Dark Down 78.8 239.7 Up 09:31:05 - 10:01:05 -3517
Tonopah 09:45:57 -44.8 Dark Down 77.4 243.8 Up 09:30:57 - 10:00:57 -3531
Bishop 09:46:02 -46.0 Dark Down 78.6 244.1 Up 09:31:02 - 10:01:02 -3593
Beatty 09:45:57 -45.3 Dark Down 77.6 249.5 Up 09:30:57 - 10:00:57 -3664
Lone Pine 09:46:01 -46.3 Dark Down 78.6 248.3 Up 09:31:01 - 10:01:01 -3680
Indian Springs 09:45:52 -44.9 Dark Down 76.9 252.7 Up 09:30:52 - 10:00:52 -3712
Henderson 09:45:50 -44.8 Dark Down 76.5 255.9 Up 09:30:50 - 10:00:50 -3779
CPSLO 09:46:12 -48.7 Dark Down 81.0 249.4 Up 09:31:12 - 10:01:12 -3785
Searchlight/Boulder City 09:45:50 -45.1 Dark Down 76.6 258.4 Up 09:30:50 - 10:00:50 -3843
Patrick 09:45:46 -44.4 Dark Down 75.7 259.8 Up 09:30:46 - 10:00:46 -3859
Laughlin/Bullhead City 09:45:49 -45.0 Dark Down 76.3 260.0 Up 09:30:49 - 10:00:49 -3879
Kingman/Dolan Springs 09:45:47 -44.7 Dark Down 75.9 260.5 Up 09:30:47 - 10:00:47 -3882
DCO 09:45:44 -44.2 Dark Down 75.2 261.8 Up 09:30:44 - 10:00:44 -3900
Mohave Valley 09:45:49 -45.2 Dark Down 76.4 261.1 Up 09:30:49 - 10:00:49 -3909
Wildwood 09:46:06 -48.3 Dark Down 79.7 260.1 Up 09:31:06 - 10:01:06 -3948
Lake Havasu City 09:45:48 -45.3 Dark Down 76.2 263.0 Up 09:30:48 - 10:00:48 -3956
Parker 09:45:48 -45.5 Dark Down 76.3 264.4 Up 09:30:48 - 10:00:48 -3995
Idyllwild 09:45:58 -47.3 Dark Down 78.3 264.0 Up 09:30:58 - 10:00:58 -4013
Blythe 09:45:50 -46.0 Dark Down 76.5 266.4 Up 09:30:50 - 10:00:50 -4050
Calipatria 09:45:54 -46.9 Dark Down 77.3 267.8 Up 09:30:54 - 10:00:54 -4094
Yuma 09:45:50 -46.5 Dark Down 76.6 270.2 Up 09:30:50 - 10:00:50 -4151

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 01QX322, (2019/10/02 09:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 41.05 169
Hamal          02:07:10.7 +23:27:42  2.0  9.37 155
PPM 066632     01:48:41.3 +32:41:30  6.2  0.98 148
PPM 066569     01:43:50.1 +32:11:31  7.3  0.88 147
PPM 066597     01:46:08.8 +31:29:12  9.8  0.37 148
PPM 066601     01:46:13.9 +31:53:37 10.9  0.29 148
01QX322        01:47:23.7 +31:44:45 16.1       148
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:19:39 UT

Marc W. Buie, Southwest Research Institute

RECON