RECON: TNO occultation with 524613

Event between (524613) 03QW113 and star GA0860:00008323 with event index number of 1592805

Geocentric closest approach at 2020/10/05 02:24:50 UTC

J2000 position of star is 00:05:44.8 -02:07:41
Equinox of date position of star is 00:06:48.3 -02:00:47
Stellar brightness G=16.9, use SENSEUP=128
Star is 47 degrees from the moon. Moon is 91% illuminated.
TNO apparent brightness V=24.8

[RECON map]
TNO is 30.3 AU from the Sun and 29.3 AU from the Earth.
The TNO is moving 23.0 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is 1335 km.
The sky-plane scale is 21257.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=208.9 km assuming a 5% albedo -- 2.6 sec chord
Diameter=85.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 524613, (2020/10/05 02:25UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:47.6 -29:30:42  1.2 31.90  74
Algenib        00:14:18.5 +15:17:56  2.8 17.41  41
PPM 181887     00:09:15.9 -02:19:56  6.1  0.69  46
PPM 181879     00:08:48.0 -02:25:59  6.9  0.65  47
PPM 181850     00:07:15.5 -02:02:21  9.3  0.11  47
524613         00:06:48.6 -02:00:45 16.9        47
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 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 02:25:54 -10.2 NT Down 10.9 106.9 Really Low 02:18:35 - 02:33:13 5178
Kelowna 02:25:56 -10.1 NT Down 11.0 106.7 Really Low 02:18:37 - 02:33:15 5167
Peachland 02:25:57 -9.9 NT Down 10.8 106.5 Really Low 02:18:38 - 02:33:16 5166
Summerland 02:25:57 -10.0 NT Down 10.9 106.5 Really Low 02:18:38 - 02:33:16 5161
Penticton 02:25:58 -10.1 NT Down 11.0 106.6 Really Low 02:18:39 - 02:33:17 5157
Victoria 02:26:06 -7.6 NT Down 8.8 103.4 Really Low 02:18:47 - 02:33:25 5151
Oliver 02:25:59 -10.1 NT Down 11.1 106.6 Really Low 02:18:40 - 02:33:18 5146
Anarchist Mountain Observatory 02:26:00 -10.3 NT Down 11.3 106.7 Really Low 02:18:41 - 02:33:19 5140
Tonasket 02:26:01 -10.2 NT Down 11.3 106.6 Really Low 02:18:42 - 02:33:20 5129
Okanogan 02:26:03 -10.2 NT Down 11.3 106.4 Really Low 02:18:44 - 02:33:22 5119
Brewster 02:26:04 -10.1 NT Down 11.3 106.2 Really Low 02:18:45 - 02:33:23 5111
Manson/Chelan 02:26:05 -9.8 NT Down 11.1 105.9 Really Low 02:18:46 - 02:33:24 5107
Entiat 02:26:06 -9.8 NT Down 11.1 105.8 Really Low 02:18:47 - 02:33:25 5100
Wenatchee 02:26:08 -9.7 NT Down 11.1 105.6 Really Low 02:18:49 - 02:33:27 5092
Ellensburg 02:26:10 -9.6 NT Down 11.1 105.4 Really Low 02:18:51 - 02:33:29 5079
Yakima 02:26:12 -9.6 NT Down 11.2 105.3 Really Low 02:18:53 - 02:33:31 5064
Toppenish/White Swan 02:26:12 -9.8 NT Down 11.4 105.4 Really Low 02:18:53 - 02:33:31 5054
Pasco 02:26:11 -10.7 NT Down 12.2 106.4 Really Low 02:18:52 - 02:33:30 5039
Goldendale 02:26:15 -9.5 NT Down 11.2 105.0 Really Low 02:18:56 - 02:33:34 5037
The Dalles 02:26:16 -9.3 NT Down 11.0 104.7 Really Low 02:18:57 - 02:33:35 5031
PNWRO 02:26:12 -10.8 NT Down 12.5 106.5 Really Low 02:18:53 - 02:33:31 5028
Maupin 02:26:18 -9.4 NT Down 11.2 104.7 Really Low 02:18:59 - 02:33:37 5014
Sisters 02:26:22 -9.1 NT Down 11.1 104.2 Really Low 02:19:03 - 02:33:41 4983
Redmond 02:26:22 -9.4 NT Down 11.4 104.5 Really Low 02:19:03 - 02:33:41 4978
Bend 02:26:23 -9.3 NT Down 11.4 104.3 Really Low 02:19:04 - 02:33:42 4971
Oregon Observatory 02:26:24 -9.2 NT Down 11.3 104.2 Really Low 02:19:05 - 02:33:43 4965
La Pine/Gilchrist 02:26:25 -9.1 NT Down 11.3 104.1 Really Low 02:19:06 - 02:33:44 4957
North Lake 02:26:26 -9.6 NT Down 11.9 104.5 Really Low 02:19:07 - 02:33:45 4933
Paisley 02:26:28 -9.9 NT Down 12.3 104.6 Really Low 02:19:09 - 02:33:47 4906
Klamath Falls 02:26:32 -9.0 NT Down 11.5 103.6 Really Low 02:19:13 - 02:33:51 4895
Lakeview 02:26:30 -10.1 NT Down 12.5 104.6 Really Low 02:19:11 - 02:33:49 4882
Cedarville 02:26:33 -10.2 NT Down 12.8 104.6 Really Low 02:19:14 - 02:33:52 4851
Fall River/Burney 02:26:36 -9.3 NT Down 12.1 103.7 Really Low 02:19:17 - 02:33:55 4838
Susanville 02:26:38 -9.9 NT Down 12.8 104.1 Really Low 02:19:19 - 02:33:57 4802
Greenville 02:26:40 -9.7 NT Down 12.6 103.8 Really Low 02:19:21 - 02:33:59 4791
Gimple 02:26:40 -9.8 NT Down 12.7 103.9 Really Low 02:19:21 - 02:33:59 4791
Quincy 02:26:40 -9.7 NT Down 12.7 103.8 Really Low 02:19:21 - 02:33:59 4782
Portola 02:26:40 -10.1 NT Down 13.1 104.1 Really Low 02:19:21 - 02:33:59 4772
Reno 02:26:41 -10.6 NT Down 13.6 104.5 Really Low 02:19:22 - 02:34:00 4753
Carson City 02:26:42 -10.7 NT Down 13.7 104.4 Really Low 02:19:23 - 02:34:01 4734
Gardnerville 02:26:43 -10.7 NT Down 13.8 104.4 Really Low 02:19:24 - 02:34:02 4722
Yerington 02:26:42 -11.2 NT Down 14.3 104.8 Really Low 02:19:23 - 02:34:01 4719
Hawthorne 02:26:44 -11.6 NT Down 14.8 105.0 Really Low 02:19:25 - 02:34:03 4690
Lee Vining 02:26:47 -11.3 NT Down 14.6 104.6 Really Low 02:19:28 - 02:34:06 4666
Tonopah 02:26:44 -12.7 AT Down 16.0 105.9 Really Low 02:19:25 - 02:34:03 4651
Bishop 02:26:48 -11.9 NT Down 15.3 104.9 Really Low 02:19:29 - 02:34:07 4626
Niwot 02:26:16 -21.6 Dark Up 23.9 115.3 Low 02:18:57 - 02:33:35 4586
Beatty 02:26:48 -13.2 AT Down 16.7 105.8 Really Low 02:19:29 - 02:34:07 4583
SwRI 02:26:17 -21.6 Dark Up 23.9 115.2 Low 02:18:58 - 02:33:36 4582
Indian Springs 02:26:48 -14.1 AT Down 17.6 106.5 Really Low 02:19:29 - 02:34:07 4552
CPSLO 02:26:59 -10.1 NT Down 14.0 102.9 Really Low 02:19:40 - 02:34:18 4534
Henderson 02:26:49 -14.7 AT Down 18.3 106.8 Really Low 02:19:30 - 02:34:08 4513
Searchlight/Boulder City 02:26:51 -14.8 AT Down 18.5 106.6 Really Low 02:19:32 - 02:34:10 4480
Patrick 02:26:49 -15.6 AT Down 19.3 107.3 Really Low 02:19:30 - 02:34:08 4463
Laughlin/Bullhead City 02:26:51 -15.1 AT Down 18.8 106.8 Really Low 02:19:32 - 02:34:10 4458
Kingman/Dolan Springs 02:26:50 -15.5 AT Down 19.2 107.1 Really Low 02:19:31 - 02:34:09 4453
Wildwood 02:27:01 -11.9 NT Down 16.0 103.9 Really Low 02:19:42 - 02:34:20 4444
Mohave Valley 02:26:53 -15.1 AT Down 18.9 106.7 Really Low 02:19:34 - 02:34:12 4442
DCO 02:26:49 -16.2 AT Down 20.0 107.7 Really Low 02:19:30 - 02:34:08 4436
Lake Havasu City 02:26:54 -15.4 AT Down 19.2 106.7 Really Low 02:19:35 - 02:34:13 4415
Idyllwild 02:27:00 -13.5 AT Down 17.6 105.0 Really Low 02:19:41 - 02:34:19 4402
Parker 02:26:55 -15.4 AT Down 19.4 106.6 Really Low 02:19:36 - 02:34:14 4394
Blythe 02:26:57 -15.2 AT Down 19.3 106.3 Really Low 02:19:38 - 02:34:16 4367
Calipatria 02:27:01 -14.5 AT Down 18.7 105.5 Really Low 02:19:42 - 02:34:20 4349
George/Scottsdale 02:26:53 -17.5 AT Down 21.4 108.1 Low 02:19:34 - 02:34:12 4334
Yuma 02:27:01 -15.3 AT Down 19.5 105.9 Really Low 02:19:42 - 02:34:20 4311

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 524613, (2020/10/05 02:25UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 31.90  74
Algenib        00:13:14.2 +15:11:01  2.8 17.41  41
PPM 181887     00:08:12.1 -02:26:52  6.1  0.69  46
PPM 181879     00:07:44.2 -02:32:55  6.9  0.65  47
PPM 181850     00:06:11.6 -02:09:17  9.3  0.11  47
524613         00:05:44.8 -02:07:41 16.9        47
Positions are for J2000

Event circumstances last updated at 2020/08/28 21:31:24 UT

Marc W. Buie, Southwest Research Institute

RECON