RECON: TNO occultation with 469442

Event between (469442) 02GG166 and star GA0600:13090038 with event index number of 1103795

Geocentric closest approach at 2022/05/09 11:33:46 UTC

J2000 position of star is 17:00:31.2 -28:15:28
Equinox of date position of star is 17:01:54.9 -28:17:21
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=20.5

[RECON map]
TNO is 16.5 AU from the Sun and 15.7 AU from the Earth.
The TNO is moving 17.3 km/sec on the sky relative to the star, or, 5.5 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is 608 km.
The sky-plane scale is 11353.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.2
Diameter=136.1 km assuming a 5% albedo -- 7.9 sec chord
Diameter=55.6 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 469442, (2022/05/09 11:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:46.9 -26:28:47  0.9  7.14 106
23Tau Sco      16:37:16.7 -28:15:38  2.8  5.43 108
PPM 266416     17:08:16.5 -26:32:29  6.3  2.25 114
PPM 266270     17:02:27.8 -28:35:04  7.6  0.32 113
PPM 266278     17:02:40.3 -28:10:17  9.4  0.20 113
469442         17:01:55.5 -28:17:22 16.8       113
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)
Kamloops 11:32:01 -7.3 NT Down 8.1 201.9 Really Low 11:26:07 - 11:37:54 4396
Victoria 11:32:08 -10.2 NT Down 10.8 199.4 Really Low 11:26:14 - 11:38:01 4382
Peachland 11:31:56 -7.6 NT Down 8.8 202.4 Really Low 11:26:03 - 11:37:50 4361
Kelowna 11:31:55 -7.4 NT Down 8.6 202.7 Really Low 11:26:02 - 11:37:49 4360
Summerland 11:31:56 -7.7 NT Down 8.9 202.5 Really Low 11:26:02 - 11:37:49 4356
Penticton 11:31:55 -7.7 NT Down 8.9 202.6 Really Low 11:26:01 - 11:37:48 4352
Oliver 11:31:54 -7.9 NT Down 9.3 202.6 Really Low 11:26:00 - 11:37:47 4342
Anarchist Mountain Observatory 11:31:53 -7.9 NT Down 9.4 202.8 Really Low 11:26:00 - 11:37:47 4334
Tonasket 11:31:53 -8.1 NT Down 9.7 202.8 Really Low 11:26:00 - 11:37:47 4326
Okanogan 11:31:53 -8.4 NT Down 10.0 202.7 Really Low 11:25:59 - 11:37:46 4318
Brewster 11:31:53 -8.7 NT Down 10.3 202.5 Really Low 11:26:00 - 11:37:47 4313
Manson/Chelan 11:31:54 -9.0 NT Down 10.6 202.2 Really Low 11:26:01 - 11:37:48 4313
Wenatchee 11:31:54 -9.4 NT Down 11.1 202.1 Really Low 11:26:01 - 11:37:48 4301
Ellensburg 11:31:54 -9.8 NT Down 11.5 201.9 Really Low 11:26:00 - 11:37:47 4291
Yakima 11:31:54 -10.0 NT Down 11.9 202.0 Really Low 11:26:00 - 11:37:47 4278
Toppenish/White Swan 11:31:52 -10.1 NT Down 12.1 202.1 Really Low 11:25:59 - 11:37:46 4268
Goldendale 11:31:53 -10.7 NT Down 12.7 201.8 Really Low 11:26:00 - 11:37:47 4257
The Dalles 11:31:54 -11.0 NT Down 13.0 201.5 Really Low 11:26:01 - 11:37:48 4255
Maupin 11:31:53 -11.2 NT Down 13.4 201.6 Really Low 11:25:59 - 11:37:46 4238
PNWRO 11:31:46 -9.5 NT Down 12.0 203.4 Really Low 11:25:52 - 11:37:39 4230
Sisters 11:31:53 -12.0 AT Down 14.3 201.3 Really Low 11:26:00 - 11:37:47 4215
Bend 11:31:52 -12.1 AT Down 14.5 201.5 Really Low 11:25:59 - 11:37:46 4202
Oregon Observatory 11:31:52 -12.2 AT Down 14.7 201.4 Really Low 11:25:59 - 11:37:46 4198
Sleaford 11:31:16 0.8 Sun up Down 2.7 213.7 Really Low 11:25:22 - 11:37:09 4166
North Lake 11:31:49 -12.3 AT Down 15.1 202.0 Really Low 11:25:55 - 11:37:42 4164
Chiloquin 11:31:52 -13.3 AT Down 16.0 201.2 Really Low 11:25:59 - 11:37:46 4154
Klamath Falls 11:31:51 -13.5 AT Down 16.3 201.3 Really Low 11:25:57 - 11:37:44 4139
Lakeview 11:31:45 -12.7 AT Down 16.0 202.5 Really Low 11:25:51 - 11:37:38 4112
Fall River/Burney 11:31:47 -14.0 AT Down 17.3 201.8 Really Low 11:25:54 - 11:37:41 4083
Cedarville 11:31:43 -13.0 AT Down 16.5 202.7 Really Low 11:25:50 - 11:37:37 4082
Susanville 11:31:43 -14.0 AT Down 17.7 202.5 Really Low 11:25:50 - 11:37:37 4042
Greenville 11:31:44 -14.3 AT Down 18.0 202.2 Really Low 11:25:51 - 11:37:38 4035
Gimple 11:31:44 -14.3 AT Down 18.0 202.3 Really Low 11:25:50 - 11:37:37 4034
Quincy 11:31:44 -14.4 AT Down 18.2 202.3 Really Low 11:25:50 - 11:37:37 4026
Portola 11:31:41 -14.2 AT Down 18.2 202.7 Really Low 11:25:48 - 11:37:35 4012
Reno 11:31:38 -14.0 AT Down 18.2 203.3 Really Low 11:25:45 - 11:37:32 3988
Carson City 11:31:37 -14.2 AT Down 18.6 203.3 Really Low 11:25:44 - 11:37:31 3971
Gardnerville 11:31:37 -14.3 AT Down 18.8 203.4 Really Low 11:25:43 - 11:37:30 3959
Yerington 11:31:34 -13.9 AT Down 18.5 203.9 Really Low 11:25:41 - 11:37:28 3950
Hawthorne 11:31:31 -13.9 AT Down 18.8 204.4 Really Low 11:25:38 - 11:37:25 3917
Lee Vining 11:31:33 -14.5 AT Down 19.5 204.1 Really Low 11:25:39 - 11:37:26 3900
Tonopah 11:31:24 -13.3 AT Down 18.8 205.7 Really Low 11:25:31 - 11:37:18 3866
Bishop 11:31:29 -14.4 AT Down 19.8 204.8 Really Low 11:25:35 - 11:37:22 3856
Beatty 11:31:20 -13.7 AT Down 19.7 206.2 Really Low 11:25:27 - 11:37:14 3798
Indian Springs 11:31:15 -13.1 AT Down 19.6 207.2 Really Low 11:25:21 - 11:37:08 3757
Henderson 11:31:11 -13.0 AT Down 19.8 207.9 Really Low 11:25:18 - 11:37:05 3713
Wildwood 11:31:25 -16.5 AT Down 22.8 205.1 Low 11:25:31 - 11:37:18 3688
Dunrhomin 11:30:41 -4.3 CT Down 12.2 215.1 Really Low 11:24:47 - 11:36:34 3683
CU-SBO 11:30:40 -4.5 CT Down 12.5 215.1 Really Low 11:24:47 - 11:36:34 3674
Laughlin/Bullhead City 11:31:08 -13.2 AT Down 20.4 208.3 Low 11:25:15 - 11:37:02 3657
Patrick 11:31:06 -12.6 AT Down 19.9 208.9 Really Low 11:25:12 - 11:36:59 3654
Kingman/Dolan Springs 11:31:06 -12.8 AT Down 20.2 208.8 Low 11:25:12 - 11:36:59 3647
Mohave Valley 11:31:07 -13.3 AT Down 20.6 208.4 Low 11:25:14 - 11:37:01 3642
Idyllwild 11:31:15 -15.4 AT Down 22.5 206.8 Low 11:25:22 - 11:37:09 3628
Lake Havasu City 11:31:06 -13.4 AT Down 20.9 208.7 Low 11:25:12 - 11:36:59 3614
Parker 11:31:05 -13.5 AT Down 21.2 208.8 Low 11:25:11 - 11:36:58 3594
Calipatria 11:31:09 -15.0 AT Down 22.6 207.9 Low 11:25:15 - 11:37:02 3565
Yuma 11:31:04 -14.6 AT Down 22.6 208.8 Low 11:25:10 - 11:36:57 3519
George/Scottsdale 11:30:54 -12.1 AT Down 20.6 210.8 Low 11:25:00 - 11:36:47 3510

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 469442, (2022/05/09 11:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.14 106
23Tau Sco      16:35:52.9 -28:12:58  2.8  5.43 108
PPM 266416     17:06:53.2 -26:30:47  6.3  2.25 114
PPM 266270     17:01:03.3 -28:33:12  7.6  0.32 113
PPM 266278     17:01:16.1 -28:08:25  9.4  0.20 113
469442         17:00:31.2 -28:15:28 16.8       113
Positions are for J2000

Event circumstances last updated at 2022/03/15 01:01:58 UT

Marc W. Buie, Southwest Research Institute

RECON