RECON: TNO occultation with 01KG76

Event between 01KG76 and star GA0660:18147158 with event index number of 1177386

Geocentric closest approach at 2022/07/04 05:18:57 UTC

J2000 position of star is 17:44:00.5 -23:07:50
Equinox of date position of star is 17:45:21.4 -23:08:20
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon. Moon is 22% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 50.5 AU from the Sun and 49.5 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 1482 seconds.
The 1-sigma cross-track error in the shadow position is 5695 km.
The sky-plane scale is 35920.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=311.9 km assuming a 5% albedo -- 12.9 sec chord
Diameter=127.3 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is 9:4EEEEE
 
 
 
 
 
 

Star training set for 01KG76, (2022/07/04 05:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.5 -26:28:48  0.9 17.24  92
35Eta Oph      17:11:40.2 -15:45:04  2.6 10.84  99
PPM 267309     17:49:07.3 -22:29:03  6.1  1.08 108
PPM 267163     17:43:42.3 -23:21:30  7.7  0.44 107
PPM 267201     17:45:22.2 -23:03:21  9.7  0.08 108
01KG76         17:45:22.6 -23:08:20 14.6       108
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 0.6 sigma about the mid-time.
The median site spacing is 14.9 km RECON observability=0.5 and success probability=0.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:19:30 -11.4 NT Up 14.3 170.7 Really Low 05:04:30 - 05:34:30 13146
Kamloops 05:20:07 -7.9 NT Up 13.2 157.3 Really Low 05:05:07 - 05:35:07 12966
Kelowna 05:20:07 -8.9 NT Up 14.1 158.0 Really Low 05:05:07 - 05:35:07 12949
Peachland 05:20:07 -8.8 NT Up 14.2 157.7 Really Low 05:05:07 - 05:35:07 12941
Summerland 05:20:07 -9.0 NT Up 14.3 157.8 Really Low 05:05:07 - 05:35:07 12937
Penticton 05:20:07 -9.1 NT Up 14.4 157.9 Really Low 05:05:07 - 05:35:07 12936
Oliver 05:20:07 -9.4 NT Up 14.8 157.9 Really Low 05:05:07 - 05:35:07 12923
Anarchist Mountain Observatory 05:20:07 -9.6 NT Up 15.0 158.0 Really Low 05:05:07 - 05:35:07 12919
Tonasket 05:20:07 -9.8 NT Up 15.2 157.9 Really Low 05:05:07 - 05:35:07 12906
Okanogan 05:20:07 -10.0 NT Up 15.5 157.8 Really Low 05:05:07 - 05:35:07 12892
Brewster 05:20:07 -10.1 NT Up 15.7 157.6 Really Low 05:05:07 - 05:35:07 12879
Manson/Chelan 05:20:07 -10.2 NT Up 15.8 157.2 Really Low 05:05:07 - 05:35:07 12866
Wenatchee 05:20:07 -10.5 NT Up 16.2 157.0 Really Low 05:05:07 - 05:35:07 12845
Victoria 05:20:22 -8.3 NT Up 14.3 154.4 Really Low 05:05:22 - 05:35:22 12845
Ellensburg 05:20:16 -10.7 NT Up 16.5 156.8 Really Low 05:05:16 - 05:35:16 12824
Yakima 05:20:17 -11.0 NT Up 16.9 156.7 Really Low 05:05:17 - 05:35:17 12807
PNWRO 05:20:07 -12.2 AT Up 17.9 158.1 Really Low 05:05:07 - 05:35:07 12805
Toppenish/White Swan 05:20:16 -11.3 NT Up 17.1 156.8 Really Low 05:05:16 - 05:35:16 12800
Goldendale 05:20:17 -11.5 NT Up 17.5 156.4 Really Low 05:05:17 - 05:35:17 12770
The Dalles 05:20:19 -11.5 NT Up 17.6 156.0 Really Low 05:05:19 - 05:35:19 12755
Maupin 05:20:20 -11.9 NT Up 18.1 156.1 Really Low 05:05:20 - 05:35:20 12738
Sisters 05:20:23 -12.4 AT Up 18.7 155.5 Really Low 05:05:23 - 05:35:23 12692
Bend 05:20:22 -12.7 AT Up 19.0 155.7 Really Low 05:05:22 - 05:35:22 12685
Dunrhomin 05:19:34 -22.3 Dark Up 26.1 170.7 Low 05:04:34 - 05:34:34 12679
Oregon Observatory 05:20:22 -12.7 AT Up 19.1 155.6 Really Low 05:05:22 - 05:35:22 12675
CU-SBO 05:19:35 -22.5 Dark Up 26.3 170.6 Low 05:04:35 - 05:34:35 12666
North Lake 05:20:22 -13.5 AT Up 19.9 156.0 Really Low 05:05:22 - 05:35:22 12652
Lakeview 05:20:22 -14.6 AT Up 21.0 156.3 Low 05:05:22 - 05:35:22 12609
Chiloquin 05:20:25 -13.6 AT Up 20.2 155.0 Low 05:05:25 - 05:35:25 12605
Klamath Falls 05:20:26 -13.9 AT Up 20.5 155.0 Low 05:05:26 - 05:35:26 12589
Cedarville 05:20:23 -15.2 AT Up 21.7 156.4 Low 05:05:23 - 05:35:23 12579
Fall River/Burney 05:20:25 -14.9 AT Up 21.7 155.2 Low 05:05:25 - 05:35:25 12535
Susanville 05:20:24 -15.8 AT Up 22.5 155.8 Low 05:05:24 - 05:35:24 12514
Gimple 05:20:24 -15.9 AT Up 22.7 155.5 Low 05:05:24 - 05:35:24 12496
Greenville 05:20:26 -15.9 AT Up 22.7 155.4 Low 05:05:26 - 05:35:26 12495
Portola 05:20:25 -16.3 AT Up 23.1 155.8 Low 05:05:25 - 05:35:25 12485
Quincy 05:20:26 -16.0 AT Up 22.9 155.4 Low 05:05:26 - 05:35:26 12484
Reno 05:20:23 -16.9 AT Up 23.6 156.4 Low 05:05:23 - 05:35:23 12481
Carson City 05:20:23 -17.2 AT Up 23.9 156.4 Low 05:05:23 - 05:35:23 12462
Yerington 05:20:21 -17.6 AT Up 24.3 156.9 Low 05:05:21 - 05:35:21 12460
Gardnerville 05:20:24 -17.4 AT Up 24.2 156.4 Low 05:05:24 - 05:35:24 12449
Hawthorne 05:20:19 -18.2 Dark Up 24.9 157.3 Low 05:05:19 - 05:35:19 12443
Tonopah 05:20:16 -19.3 Dark Up 25.7 158.6 Low 05:05:16 - 05:35:16 12437
Lee Vining 05:20:23 -18.4 Dark Up 25.3 156.8 Low 05:05:23 - 05:35:23 12404
Bishop 05:20:21 -19.3 Dark Up 26.0 157.4 Low 05:05:21 - 05:35:21 12381
Beatty 05:20:16 -20.4 Dark Up 26.9 158.8 Low 05:05:16 - 05:35:16 12377
Indian Springs 05:20:07 -21.2 Dark Up 27.5 159.8 Low 05:05:07 - 05:35:07 12374
Henderson 05:20:07 -21.9 Dark Up 28.2 160.4 Low 05:05:07 - 05:35:07 12351
Patrick 05:20:07 -23.0 Dark Up 29.1 161.4 Low 05:05:07 - 05:35:07 12328
Kingman/Dolan Springs 05:20:07 -23.1 Dark Up 29.3 161.2 Low 05:05:07 - 05:35:07 12313
Laughlin/Bullhead City 05:20:07 -22.8 Dark Up 29.2 160.6 Low 05:05:07 - 05:35:07 12304
Mohave Valley 05:20:07 -23.1 Dark Up 29.4 160.6 Low 05:05:07 - 05:35:07 12288
Lake Havasu City 05:20:07 -23.5 Dark Up 29.9 160.8 Low 05:05:07 - 05:35:07 12267
George/Scottsdale 05:20:00 -25.3 Dark Up 31.2 163.1 Up 05:05:00 - 05:35:00 12250
Parker 05:20:07 -23.8 Dark Up 30.2 160.7 Up 05:05:07 - 05:35:07 12246
Idyllwild 05:20:17 -23.0 Dark Up 29.9 158.3 Low 05:05:17 - 05:35:17 12188
Wildwood 05:20:24 -21.7 Dark Up 29.0 156.5 Low 05:05:24 - 05:35:24 12182
Calipatria 05:20:07 -24.0 Dark Up 30.8 159.3 Up 05:05:07 - 05:35:07 12167
Yuma 05:20:07 -24.8 Dark Up 31.5 160.1 Up 05:05:07 - 05:35:07 12151

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 01KG76, (2022/07/04 05:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.24  92
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.84  99
PPM 267309     17:47:45.6 -22:28:40  6.1  1.08 108
PPM 267163     17:42:20.2 -23:20:56  7.7  0.44 107
PPM 267201     17:44:00.2 -23:02:51  9.7  0.08 108
01KG76         17:44:00.5 -23:07:50 14.6       108
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:14:51 UT

Marc W. Buie, Southwest Research Institute

RECON