RECON: TNO occultation with 10JH210

Event between 10JH210 and star GA0800:05007994 with event index number of 1578355

Geocentric closest approach at 2023/02/09 12:02:22 UTC

J2000 position of star is 16:05:25.2 -09:09:53
Equinox of date position of star is 16:06:31.2 -09:13:07
Stellar brightness G=13.6, use SENSEUP=64
Star is 60 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=25.3

[RECON map]
TNO is 32.6 AU from the Sun and 32.7 AU from the Earth.
The TNO is moving 12.8 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 605 seconds.
The 1-sigma cross-track error in the shadow position is 3173 km.
The sky-plane scale is 23749.8 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=222.9 km assuming a 5% albedo -- 4.7 sec chord
Diameter=91.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10JH210, (2023/02/09 12:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:49.7 -26:28:53  0.9 18.18  68
1Del Oph       16:15:33.5 -03:45:07  2.7  5.90  61
50 Lib         16:02:02.7 -08:28:30  5.5  1.37  58
PPM 199285     16:07:16.5 -08:49:56  8.1  0.42  60
PPM 199266     16:06:06.6 -09:08:45  9.8  0.16  59
10JH210        16:06:40.6 -09:13:34 13.6        60
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 1.5 sigma about the mid-time.
The median site spacing is 13.8 km RECON observability=1.0 and success probability=5.2%
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 12:00:37 -31.9 Dark Up 20.6 136.0 Low 11:45:37 - 12:15:37 5515
Kelowna 12:00:34 -32.1 Dark Up 20.9 135.7 Low 11:45:34 - 12:15:34 5499
Peachland 12:00:32 -32.4 Dark Up 20.8 135.4 Low 11:45:32 - 12:15:32 5495
Summerland 12:00:31 -32.3 Dark Up 20.9 135.5 Low 11:45:31 - 12:15:31 5488
Penticton 12:00:31 -32.3 Dark Up 21.0 135.5 Low 11:45:31 - 12:15:31 5484
Oliver 12:00:28 -32.4 Dark Up 21.3 135.4 Low 11:45:28 - 12:15:28 5468
Anarchist Mountain Observatory 12:00:30 -32.3 Dark Up 21.5 135.6 Low 11:45:30 - 12:15:30 5460
Victoria 12:00:09 -35.1 Dark Up 19.9 131.6 Really Low 11:45:09 - 12:15:09 5456
Tonasket 12:00:26 -32.5 Dark Up 21.7 135.4 Low 11:45:26 - 12:15:26 5445
Okanogan 12:00:25 -32.6 Dark Up 21.8 135.2 Low 11:45:25 - 12:15:25 5430
Brewster 12:00:24 -32.9 Dark Up 21.9 134.9 Low 11:45:24 - 12:15:24 5418
Manson/Chelan 12:00:20 -33.2 Dark Up 21.9 134.5 Low 11:45:20 - 12:15:20 5410
Entiat 12:00:19 -33.3 Dark Up 22.0 134.4 Low 11:45:19 - 12:15:19 5400
Wenatchee 12:00:17 -33.4 Dark Up 22.1 134.2 Low 11:45:17 - 12:15:17 5388
Ellensburg 12:00:12 -33.7 Dark Up 22.3 133.8 Low 11:45:12 - 12:15:12 5369
Yakima 12:00:11 -33.8 Dark Up 22.6 133.7 Low 11:45:11 - 12:15:11 5348
Toppenish/White Swan 12:00:11 -33.7 Dark Up 22.8 133.8 Low 11:45:11 - 12:15:11 5336
Pasco 12:00:17 -32.9 Dark Up 23.5 135.0 Low 11:45:17 - 12:15:17 5322
Goldendale 12:00:05 -34.2 Dark Up 23.0 133.2 Low 11:45:05 - 12:15:05 5310
PNWRO 12:00:16 -32.8 Dark Up 23.8 135.1 Low 11:45:16 - 12:15:16 5309
The Dalles 12:00:03 -34.5 Dark Up 22.9 132.8 Low 11:45:03 - 12:15:03 5300
Maupin 12:00:01 -34.5 Dark Up 23.3 132.7 Low 11:45:01 - 12:15:01 5278
Sisters 11:59:53 -35.1 Dark Up 23.6 132.0 Low 11:44:53 - 12:14:53 5234
Redmond 11:59:55 -34.8 Dark Up 23.8 132.3 Low 11:44:55 - 12:14:55 5230
Bend 11:59:54 -35.0 Dark Up 23.9 132.1 Low 11:44:54 - 12:14:54 5219
Oregon Observatory 11:59:53 -35.1 Dark Up 23.9 132.0 Low 11:44:53 - 12:14:53 5211
La Pine/Gilchrist 11:59:50 -35.2 Dark Up 24.0 131.8 Low 11:44:50 - 12:14:50 5200
North Lake 11:59:49 -34.9 Dark Up 24.6 132.2 Low 11:44:49 - 12:14:49 5172
Paisley 11:59:50 -34.8 Dark Up 25.2 132.4 Low 11:44:50 - 12:14:50 5139
Klamath Falls 11:59:41 -35.8 Dark Up 24.8 131.1 Low 11:44:41 - 12:14:41 5119
Lakeview 11:59:49 -34.8 Dark Up 25.7 132.4 Low 11:44:49 - 12:14:49 5108
Cedarville 11:59:46 -34.8 Dark Up 26.2 132.3 Low 11:44:46 - 12:14:46 5069
Fall River/Burney 11:59:37 -35.8 Dark Up 25.8 131.0 Low 11:44:37 - 12:14:37 5047
Susanville 11:59:37 -35.4 Dark Up 26.6 131.4 Low 11:44:37 - 12:14:37 5005
Greenville 11:59:35 -35.7 Dark Up 26.6 131.0 Low 11:44:35 - 12:14:35 4990
Gimple 11:59:35 -35.6 Dark Up 26.7 131.1 Low 11:44:35 - 12:14:35 4989
Quincy 11:59:33 -35.7 Dark Up 26.8 130.9 Low 11:44:33 - 12:14:33 4977
Portola 11:59:37 -35.4 Dark Up 27.1 131.3 Low 11:44:37 - 12:14:37 4967
Reno 11:59:37 -34.9 Dark Up 27.7 131.8 Low 11:44:37 - 12:14:37 4946
Carson City 11:59:36 -35.0 Dark Up 27.9 131.7 Low 11:44:36 - 12:14:36 4924
Gardnerville 11:59:35 -35.0 Dark Up 28.1 131.6 Low 11:44:35 - 12:14:35 4908
Yerington 11:59:38 -34.5 Dark Up 28.5 132.2 Low 11:44:38 - 12:14:38 4907
Hawthorne 11:59:38 -34.2 Dark Up 29.1 132.5 Low 11:44:38 - 12:14:38 4874
Niwot 12:01:03 -23.4 Dark Up 34.8 147.0 Up 11:46:03 - 12:16:03 4843
Lee Vining 11:59:33 -34.7 Dark Up 29.1 131.8 Low 11:44:33 - 12:14:33 4841
SwRI 12:01:02 -23.5 Dark Up 34.8 146.9 Up 11:46:02 - 12:16:02 4837
Tonopah 11:59:44 -33.1 Dark Up 30.2 133.6 Up 11:44:44 - 12:14:44 4834
Bishop 11:59:34 -34.2 Dark Up 30.0 132.2 Low 11:44:34 - 12:14:34 4796
Beatty 11:59:41 -32.9 Dark Up 31.3 133.5 Up 11:44:41 - 12:14:41 4753
Indian Springs 11:59:44 -32.1 Dark Up 32.1 134.4 Up 11:44:44 - 12:14:44 4722
Henderson 11:59:47 -31.5 Dark Up 32.9 134.9 Up 11:44:47 - 12:14:47 4680
CPSLO 11:59:12 -36.3 Dark Up 29.9 129.2 Low 11:44:12 - 12:14:12 4672
Searchlight/Boulder City 11:59:44 -31.5 Dark Up 33.3 134.6 Up 11:44:44 - 12:14:44 4640
Patrick 11:59:50 -30.7 Dark Up 34.0 135.7 Up 11:44:50 - 12:14:50 4627
Laughlin/Bullhead City 11:59:45 -31.3 Dark Up 33.8 134.8 Up 11:44:45 - 12:14:45 4616
Kingman/Dolan Springs 11:59:48 -30.8 Dark Up 34.0 135.4 Up 11:44:48 - 12:14:48 4613
DCO 11:59:53 -30.1 Dark Up 34.6 136.2 Up 11:44:53 - 12:14:53 4599
Mohave Valley 11:59:43 -31.3 Dark Up 33.9 134.7 Up 11:44:43 - 12:14:43 4596
Wildwood 11:59:18 -34.8 Dark Up 32.0 130.5 Up 11:44:18 - 12:14:18 4574
Lake Havasu City 11:59:43 -31.1 Dark Up 34.4 134.8 Up 11:44:43 - 12:14:43 4566
Parker 11:59:42 -31.1 Dark Up 34.6 134.6 Up 11:44:42 - 12:14:42 4541
Idyllwild 11:59:26 -33.2 Dark Up 33.4 132.1 Up 11:44:26 - 12:14:26 4534
Blythe 11:59:39 -31.4 Dark Up 34.8 134.0 Up 11:44:39 - 12:14:39 4506
George/Scottsdale 11:59:54 -29.1 Dark Up 36.4 136.8 Up 11:44:54 - 12:14:54 4486
Calipatria 11:59:31 -32.2 Dark Up 34.6 132.9 Up 11:44:31 - 12:14:31 4479
Yuma 11:59:34 -31.5 Dark Up 35.4 133.5 Up 11:44:34 - 12:14:34 4439

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 10JH210, (2023/02/09 12:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.18  68
1Del Oph       16:14:20.7 -03:41:42  2.7  5.90  61
50 Lib         16:00:47.6 -08:24:41  5.5  1.37  58
PPM 199285     16:06:01.2 -08:46:16  8.1  0.42  60
PPM 199266     16:04:51.2 -09:05:04  9.8  0.16  59
10JH210        16:05:25.2 -09:09:53 13.6        60
Positions are for J2000

Event circumstances last updated at 2020/03/15 21:27:26 UT

Marc W. Buie, Southwest Research Institute

RECON