RECON: TNO occultation with 01HA59

Event between 01HA59 and star GA0700:06034123 with event index number of 1948521

Geocentric closest approach at 2022/06/27 06:50:35 UTC

J2000 position of star is 15:54:33.6 -19:15:40
Equinox of date position of star is 15:55:50.7 -19:19:30
Stellar brightness G=12.8, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 165 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 45.9 AU from the Sun and 45.1 AU from the Earth.
The TNO is moving 19.8 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 615 seconds.
The 1-sigma cross-track error in the shadow position is 3196 km.
The sky-plane scale is 32701.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 15.1 sec chord
Diameter=122.2 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01HA59, (2022/06/27 06:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.4 -26:28:48  0.9 10.76 174
8Bet1Sco       16:06:44.9 -19:51:55  2.6  2.62 167
47 Lib         15:56:18.6 -19:26:51  5.9  0.16 165
PPM 230914     15:55:14.2 -19:00:58  7.6  0.34 164
PPM 230926     15:55:38.3 -19:27:11  9.4  0.14 165
01HA59         15:55:51.7 -19:19:33 12.8       165
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 16.1 km RECON observability=0.8 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:49:46 -14.5 AT Down 13.0 212.1 Really Low 06:34:46 - 07:04:46 10423
Kamloops 06:50:27 -14.2 AT Down 18.1 198.8 Really Low 06:35:27 - 07:05:27 10348
Kelowna 06:50:23 -15.2 AT Down 18.7 199.8 Really Low 06:35:23 - 07:05:23 10325
Peachland 06:50:24 -15.2 AT Down 18.8 199.5 Really Low 06:35:24 - 07:05:24 10320
Summerland 06:50:23 -15.4 AT Down 19.0 199.6 Really Low 06:35:23 - 07:05:23 10315
Penticton 06:50:23 -15.5 AT Down 19.0 199.7 Really Low 06:35:23 - 07:05:23 10313
Oliver 06:50:22 -15.8 AT Down 19.3 199.8 Really Low 06:35:22 - 07:05:22 10300
Anarchist Mountain Observatory 06:50:22 -16.0 AT Down 19.5 200.0 Really Low 06:35:22 - 07:05:22 10296
Tonasket 06:50:20 -16.3 AT Down 19.8 199.9 Really Low 06:35:20 - 07:05:20 10283
Okanogan 06:50:21 -16.6 AT Down 20.1 199.8 Low 06:35:21 - 07:05:21 10270
Brewster 06:50:22 -16.8 AT Down 20.4 199.7 Low 06:35:22 - 07:05:22 10259
Victoria 06:50:34 -15.6 AT Down 20.7 196.1 Low 06:35:34 - 07:05:34 10252
Manson/Chelan 06:50:22 -16.9 AT Down 20.7 199.3 Low 06:35:22 - 07:05:22 10249
Wenatchee 06:50:20 -17.3 AT Down 21.2 199.2 Low 06:35:20 - 07:05:20 10229
Ellensburg 06:50:20 -17.7 AT Down 21.6 199.1 Low 06:35:20 - 07:05:20 10212
Yakima 06:50:22 -18.1 Dark Down 22.0 199.1 Low 06:35:22 - 07:05:22 10195
Toppenish/White Swan 06:50:21 -18.3 Dark Down 22.2 199.3 Low 06:35:21 - 07:05:21 10187
PNWRO 06:50:14 -19.0 Dark Down 22.2 200.8 Low 06:35:14 - 07:05:14 10180
Goldendale 06:50:21 -18.7 Dark Down 22.8 199.0 Low 06:35:21 - 07:05:21 10161
The Dalles 06:50:20 -18.9 Dark Down 23.1 198.6 Low 06:35:20 - 07:05:20 10149
Maupin 06:50:21 -19.3 Dark Down 23.5 198.8 Low 06:35:21 - 07:05:21 10132
Sisters 06:50:21 -20.0 Dark Down 24.4 198.4 Low 06:35:21 - 07:05:21 10090
Bend 06:50:20 -20.3 Dark Down 24.6 198.7 Low 06:35:20 - 07:05:20 10081
Oregon Observatory 06:50:19 -20.4 Dark Down 24.8 198.6 Low 06:35:19 - 07:05:19 10072
North Lake 06:50:18 -21.2 Dark Down 25.2 199.2 Low 06:35:18 - 07:05:18 10046
Chiloquin 06:50:19 -21.6 Dark Down 26.1 198.4 Low 06:35:19 - 07:05:19 10007
Lakeview 06:50:13 -22.3 Dark Down 26.1 199.9 Low 06:35:13 - 07:05:13 9999
Klamath Falls 06:50:18 -21.9 Dark Down 26.4 198.5 Low 06:35:18 - 07:05:18 9991
Cedarville 06:50:12 -23.0 Dark Down 26.7 200.2 Low 06:35:12 - 07:05:12 9968
Dunrhomin 06:49:13 -26.3 Dark Down 22.6 214.8 Low 06:34:13 - 07:04:13 9937
Fall River/Burney 06:50:14 -23.1 Dark Down 27.4 199.1 Low 06:35:14 - 07:05:14 9935
CU-SBO 06:49:11 -26.6 Dark Down 22.9 214.7 Low 06:34:11 - 07:04:11 9925
Susanville 06:50:13 -23.9 Dark Down 27.9 199.9 Low 06:35:13 - 07:05:13 9908
Gimple 06:50:11 -24.1 Dark Down 28.2 199.8 Low 06:35:11 - 07:05:11 9892
Greenville 06:50:12 -24.1 Dark Down 28.2 199.7 Low 06:35:12 - 07:05:12 9891
Quincy 06:50:11 -24.3 Dark Down 28.4 199.7 Low 06:35:11 - 07:05:11 9881
Portola 06:50:08 -24.5 Dark Down 28.4 200.2 Low 06:35:08 - 07:05:08 9878
Reno 06:50:07 -24.9 Dark Down 28.5 200.9 Low 06:35:07 - 07:05:07 9867
Carson City 06:50:05 -25.3 Dark Down 28.8 201.0 Low 06:35:05 - 07:05:05 9848
Yerington 06:50:03 -25.6 Dark Down 28.8 201.7 Low 06:35:03 - 07:05:03 9842
Gardnerville 06:50:05 -25.5 Dark Down 29.0 201.1 Low 06:35:05 - 07:05:05 9835
Hawthorne 06:50:00 -26.2 Dark Down 29.1 202.3 Low 06:35:00 - 07:05:00 9819
Tonopah 06:49:53 -26.9 Dark Down 29.1 203.9 Low 06:34:53 - 07:04:53 9802
Lee Vining 06:50:01 -26.6 Dark Down 29.7 202.0 Low 06:35:01 - 07:05:01 9786
Bishop 06:49:57 -27.3 Dark Down 30.1 202.8 Up 06:34:57 - 07:04:57 9756
Beatty 06:49:50 -28.1 Dark Down 30.0 204.6 Low 06:34:50 - 07:04:50 9738
Indian Springs 06:49:45 -28.7 Dark Down 29.9 205.7 Low 06:34:45 - 07:04:45 9723
Henderson 06:49:40 -29.3 Dark Down 30.2 206.5 Up 06:34:40 - 07:04:40 9695
Patrick 06:49:35 -30.1 Dark Down 30.3 207.8 Up 06:34:35 - 07:04:35 9662
Kingman/Dolan Springs 06:49:36 -30.3 Dark Down 30.6 207.7 Up 06:34:36 - 07:04:36 9648
Laughlin/Bullhead City 06:49:36 -30.2 Dark Down 30.8 207.2 Up 06:34:36 - 07:04:36 9644
Mohave Valley 06:49:37 -30.5 Dark Down 31.0 207.3 Up 06:34:37 - 07:04:37 9628
Lake Havasu City 06:49:34 -30.9 Dark Down 31.3 207.6 Up 06:34:34 - 07:04:34 9604
Parker 06:49:34 -31.3 Dark Down 31.6 207.7 Up 06:34:34 - 07:04:34 9583
George/Scottsdale 06:49:23 -32.1 Dark Down 31.0 210.3 Up 06:34:23 - 07:04:23 9563
Wildwood 06:49:52 -30.4 Dark Down 33.2 203.4 Up 06:34:52 - 07:04:52 9560
Idyllwild 06:49:43 -31.2 Dark Down 32.8 205.4 Up 06:34:43 - 07:04:43 9548
Calipatria 06:49:37 -32.0 Dark Down 33.0 206.8 Up 06:34:37 - 07:04:37 9514
Yuma 06:49:33 -32.6 Dark Down 33.0 207.8 Up 06:34:33 - 07:04:33 9490

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 01HA59, (2022/06/27 06:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.76 174
8Bet1Sco       16:05:26.2 -19:48:20  2.6  2.62 167
47 Lib         15:55:00.4 -19:22:59  5.9  0.16 165
PPM 230914     15:53:56.2 -18:57:03  7.6  0.34 164
PPM 230926     15:54:20.1 -19:23:17  9.4  0.14 165
01HA59         15:54:33.6 -19:15:40 12.8       165
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:14:18 UT

Marc W. Buie, Southwest Research Institute

RECON