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 16:06:28.9 -09:13:00
Stellar brightness G=13.6, use SENSEUP=64
Star is 60 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=22.5

[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=7.2
Diameter=222.9 km assuming a 5% albedo -- 17.4 sec chord
Diameter=91.0 km assuming a 30% albedo -- 7.1 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 12.5 km RECON observability=1.0 and success probability=5.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 12:00:35 -32.1 Dark Up 20.9 135.8 Low 11:45:35 - 12:15:35 5500
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
Okanagan Falls 12:00:31 -32.4 Dark Up 21.2 135.5 Low 11:45:31 - 12:15:31 5476
Oliver 12:00:29 -32.4 Dark Up 21.3 135.4 Low 11:45:29 - 12:15:29 5468
Anarchist Mountain Observatory 12:00:30 -32.3 Dark Up 21.5 135.6 Low 11:45:30 - 12:15:30 5459
Oroville 12:00:29 -32.4 Dark Up 21.5 135.5 Low 11:45:29 - 12:15:29 5456
Tonasket 12:00:27 -32.5 Dark Up 21.7 135.4 Low 11:45:27 - 12:15:27 5445
Okanogan 12:00:26 -32.6 Dark Up 21.8 135.2 Low 11:45:26 - 12:15:26 5430
Brewster 12:00:23 -32.9 Dark Up 21.9 134.9 Low 11:45:23 - 12:15:23 5418
Manson/Chelan 12:00:20 -33.2 Dark Up 21.9 134.5 Low 11:45:20 - 12:15:20 5410
Wenatchee 12:00:17 -33.4 Dark Up 22.1 134.2 Low 11:45:17 - 12:15:17 5388
Ellensburg 12:00:14 -33.7 Dark Up 22.3 133.8 Low 11:45:14 - 12:15:14 5368
Yakima 12:00:12 -33.8 Dark Up 22.6 133.7 Low 11:45:12 - 12:15:12 5348
Toppenish/White Swan 12:00:10 -33.7 Dark Up 22.8 133.8 Low 11:45:10 - 12:15:10 5336
Pasco 12:00:17 -32.9 Dark Up 23.5 135.0 Low 11:45:17 - 12:15:17 5322
Goldendale 12:00:06 -34.2 Dark Up 23.0 133.2 Low 11:45:06 - 12:15:06 5310
PNWRO 12:00:15 -32.8 Dark Up 23.8 135.1 Low 11:45:15 - 12:15:15 5308
George/Umatilla 12:00:13 -33.1 Dark Up 23.7 134.6 Low 11:45:13 - 12:15:13 5306
The Dalles 12:00:03 -34.5 Dark Up 22.9 132.8 Low 11:45:03 - 12:15:03 5300
Maupin 12:00:02 -34.5 Dark Up 23.3 132.7 Low 11:45:02 - 12:15:02 5278
Madras/Culver 11:59:57 -34.7 Dark Up 23.6 132.5 Low 11:44:57 - 12:14:57 5249
Sisters 11:59:53 -35.1 Dark Up 23.6 132.0 Low 11:44:53 - 12:14:53 5233
Redmond 11:59:55 -34.8 Dark Up 23.8 132.3 Low 11:44:55 - 12:14:55 5229
Bend 11:59:54 -35.0 Dark Up 23.9 132.1 Low 11:44:54 - 12:14:54 5218
Oregon Observatory 11:59:52 -35.1 Dark Up 23.9 132.0 Low 11:44:52 - 12:14:52 5210
La Pine/Gilchrist 11:59:51 -35.2 Dark Up 24.0 131.8 Low 11:44:51 - 12:14:51 5199
North Lake 11:59:51 -34.9 Dark Up 24.6 132.2 Low 11:44:51 - 12:14:51 5171
Chiloquin 11:59:43 -35.8 Dark Up 24.6 131.1 Low 11:44:43 - 12:14:43 5138
Paisley 11:59:51 -34.8 Dark Up 25.2 132.4 Low 11:44:51 - 12:14:51 5138
Klamath Falls 11:59:42 -35.8 Dark Up 24.8 131.1 Low 11:44:42 - 12:14:42 5118
Lakeview 11:59:48 -34.8 Dark Up 25.7 132.4 Low 11:44:48 - 12:14:48 5107
Tulelake 11:59:42 -35.6 Dark Up 25.2 131.2 Low 11:44:42 - 12:14:42 5100
Cedarville 11:59:44 -34.8 Dark Up 26.2 132.3 Low 11:44:44 - 12:14:44 5068
Fall River/Burney 11:59:39 -35.8 Dark Up 25.8 131.0 Low 11:44:39 - 12:14:39 5046
Susanville 11:59:38 -35.4 Dark Up 26.6 131.4 Low 11:44:38 - 12:14:38 5004
Greenville 11:59:34 -35.7 Dark Up 26.6 131.0 Low 11:44:34 - 12:14:34 4989
Gimple 11:59:35 -35.6 Dark Up 26.7 131.1 Low 11:44:35 - 12:14:35 4988
Quincy 11:59:33 -35.7 Dark Up 26.8 130.9 Low 11:44:33 - 12:14:33 4976
Portola 11:59:35 -35.4 Dark Up 27.1 131.3 Low 11:44:35 - 12:14:35 4966
Reno 11:59:36 -34.9 Dark Up 27.7 131.8 Low 11:44:36 - 12:14:36 4945
Carson City 11:59:36 -35.0 Dark Up 27.9 131.7 Low 11:44:36 - 12:14:36 4922
Gardnerville 11:59:35 -35.0 Dark Up 28.1 131.6 Low 11:44:35 - 12:14:35 4907
Yerington 11:59:38 -34.5 Dark Up 28.4 132.2 Low 11:44:38 - 12:14:38 4906
Hawthorne 11:59:38 -34.2 Dark Up 29.1 132.5 Low 11:44:38 - 12:14:38 4873
Lee Vining 11:59:33 -34.7 Dark Up 29.2 131.8 Low 11:44:33 - 12:14:33 4840
SwRI 12:01:02 -23.5 Dark Up 34.8 146.9 Up 11:46:02 - 12:16:02 4836
Tonopah 11:59:44 -33.1 Dark Up 30.2 133.6 Up 11:44:44 - 12:14:44 4832
Bishop 11:59:35 -34.2 Dark Up 30.0 132.2 Low 11:44:35 - 12:14:35 4796
Beatty 11:59:41 -32.9 Dark Up 31.3 133.5 Up 11:44:41 - 12:14:41 4752
Lone Pine 11:59:32 -34.0 Dark Up 30.7 132.2 Up 11:44:32 - 12:14:32 4742
Indian Springs 11:59:44 -32.1 Dark Up 32.1 134.4 Up 11:44:44 - 12:14:44 4721
Henderson 11:59:47 -31.5 Dark Up 32.9 134.9 Up 11:44:47 - 12:14:47 4679
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 4639
Patrick 11:59:50 -30.7 Dark Up 34.0 135.7 Up 11:44:50 - 12:14:50 4626
Laughlin/Bullhead City 11:59:45 -31.3 Dark Up 33.8 134.8 Up 11:44:45 - 12:14:45 4615
Kingman/Dolan Springs 11:59:48 -30.8 Dark Up 34.0 135.4 Up 11:44:48 - 12:14:48 4612
Mohave Valley 11:59:44 -31.3 Dark Up 33.9 134.7 Up 11:44:44 - 12:14:44 4596
Wildwood 11:59:17 -34.8 Dark Up 32.0 130.5 Up 11:44:17 - 12:14:17 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 4533
Blythe 11:59:39 -31.4 Dark Up 34.8 134.0 Up 11:44:39 - 12:14:39 4506
Calipatria 11:59:30 -32.2 Dark Up 34.6 132.9 Up 11:44:30 - 12:14:30 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 2019/07/05 22:00:38 UT

Marc W. Buie, Southwest Research Institute

RECON