RECON: TNO occultation with 579077

Event between (579077) 14LP28 and star GA0840:19891830 with event index number of 2557881

Geocentric closest approach at 2022/12/07 02:15:03 UTC

J2000 position of star is 22:15:45.4 -04:16:27
Equinox of date position of star is 22:16:53.3 -04:09:54
Stellar brightness G=12.2, use SENSEUP=16 with the MallinCam and and exposure time of 250 milli-seconds with the QHY174 camera.
Star is 88 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 39.3 AU from the Sun and 39.4 AU from the Earth.
The TNO is moving 11.3 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 251 seconds.
The 1-sigma cross-track error in the shadow position is 1520 km.
The sky-plane scale is 28611.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=332.7 km assuming a 5% albedo -- 29.5 sec chord
Diameter=135.8 km assuming a 30% albedo -- 12.1 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 579077, (2022/12/07 02:15UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:54.7 -29:30:01  1.2 27.22  90
Markab         23:05:54.3 +15:19:45  2.5 22.95  70
44 Aqr         22:18:18.3 -05:16:19  5.7  1.16  88
PPM 206121     22:15:03.1 -04:20:13  7.2  0.51  89
PPM 206151     22:16:24.6 -04:02:22  9.6  0.18  88
579077         22:16:56.9 -04:09:33 12.2        88
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 3.6 sigma about the mid-time.
The median site spacing is 19.5 km RECON observability=1.0 and success probability=24.9%
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 02:16:13 -21.5 Dark Up 33.6 200.1 Up 02:01:13 - 02:31:13 900
Kelowna 02:16:13 -21.3 Dark Up 34.0 200.0 Up 02:01:13 - 02:31:13 875
Peachland 02:16:13 -21.1 Dark Up 34.2 199.6 Up 02:01:13 - 02:31:13 864
Summerland 02:16:13 -21.2 Dark Up 34.3 199.8 Up 02:01:13 - 02:31:13 857
Penticton 02:16:13 -21.2 Dark Up 34.3 199.9 Up 02:01:13 - 02:31:13 855
Oliver 02:16:13 -21.2 Dark Up 34.7 200.0 Up 02:01:13 - 02:31:13 834
Anarchist Mountain Observatory 02:16:13 -21.3 Dark Up 34.8 200.3 Up 02:01:13 - 02:31:13 829
Tonasket 02:16:13 -21.2 Dark Up 35.1 200.3 Up 02:01:13 - 02:31:13 810
Okanogan 02:16:13 -21.0 Dark Up 35.4 200.2 Up 02:01:13 - 02:31:13 787
Brewster 02:16:13 -20.8 Dark Up 35.7 200.0 Up 02:01:13 - 02:31:13 768
Victoria 02:16:09 -18.5 Dark Up 36.1 195.5 Up 02:01:09 - 02:31:09 758
Manson/Chelan 02:16:13 -20.5 Dark Up 36.0 199.6 Up 02:01:13 - 02:31:13 748
Wenatchee 02:16:13 -20.3 Dark Up 36.5 199.5 Up 02:01:13 - 02:31:13 716
Ellensburg 02:16:13 -20.1 Dark Up 37.0 199.4 Up 02:01:13 - 02:31:13 687
Yakima 02:16:13 -20.0 Dark Up 37.3 199.4 Up 02:01:13 - 02:31:13 662
Toppenish/White Swan 02:16:13 -20.1 Dark Up 37.5 199.7 Up 02:01:13 - 02:31:13 654
Goldendale 02:16:13 -19.6 Dark Up 38.1 199.3 Up 02:01:13 - 02:31:13 611
Pasco 02:16:42 -21.0 Dark Up 37.3 201.4 Up 02:01:42 - 02:31:42 606
PNWRO 02:16:44 -21.1 Dark Up 37.5 201.8 Up 02:01:44 - 02:31:44 589
The Dalles 02:16:13 -19.4 Dark Up 38.4 198.9 Up 02:01:13 - 02:31:13 588
Maupin 02:16:13 -19.3 Dark Up 38.8 199.2 Up 02:01:13 - 02:31:13 565
Redmond 02:16:13 -19.1 Dark Up 39.7 199.3 Up 02:01:13 - 02:31:13 510
Sisters 02:16:13 -18.8 Dark Up 39.7 198.8 Up 02:01:13 - 02:31:13 499
Bend 02:16:13 -18.9 Dark Up 39.9 199.2 Up 02:01:13 - 02:31:13 493
Oregon Observatory 02:16:13 -18.8 Dark Up 40.1 199.1 Up 02:01:13 - 02:31:13 479
North Lake 02:16:13 -19.0 Dark Up 40.6 199.9 Up 02:01:13 - 02:31:13 465
La Pine/Gilchrist 02:16:13 -18.7 Dark Up 40.3 199.0 Up 02:01:13 - 02:31:13 465
Paisley 02:16:13 -19.1 Dark Up 41.0 200.6 Up 02:01:13 - 02:31:13 457
Chiloquin 02:16:13 -18.2 Dark Up 41.4 198.9 Up 02:01:13 - 02:31:13 388
Klamath Falls 02:16:13 -18.1 Dark Up 41.8 199.1 Up 02:01:13 - 02:31:13 373
Fall River/Burney 02:16:13 -18.1 Dark Up 42.8 200.0 Up 02:01:13 - 02:31:13 343
Lakeview 02:16:42 -19.2 Dark Up 41.4 201.1 Up 02:01:42 - 02:31:42 308
Cedarville 02:16:45 -19.2 Dark Up 42.0 201.6 Up 02:01:45 - 02:31:45 258
Susanville 02:16:43 -18.6 Dark Up 43.1 201.3 Up 02:01:43 - 02:31:43 171
Dunrhomin 02:18:34 -30.6 Dark Up 37.0 220.6 Up 02:03:34 - 02:33:34 158
Greenville 02:16:42 -18.3 Dark Up 43.5 201.0 Up 02:01:42 - 02:31:42 149
Gimple 02:16:42 -18.4 Dark Up 43.4 201.1 Up 02:01:42 - 02:31:42 148
Quincy 02:16:42 -18.3 Dark Up 43.7 201.1 Up 02:01:42 - 02:31:42 132
Portola 02:16:46 -18.6 Dark Up 43.6 201.8 Up 02:01:46 - 02:31:46 123
Reno 02:16:52 -19.0 Dark Up 43.7 202.8 Up 02:01:52 - 02:31:52 103
Carson City 02:16:52 -19.0 Dark Up 44.0 202.9 Up 02:01:52 - 02:31:52 74
Yerington 02:16:58 -19.4 Dark Up 44.0 203.9 Up 02:01:58 - 02:31:58 59
Gardnerville 02:16:53 -19.0 Dark Up 44.2 203.1 Up 02:01:53 - 02:31:53 54
Hawthorne 02:17:03 -19.7 Dark Up 44.2 204.8 Up 02:02:03 - 02:32:03 21
Tonopah 02:17:14 -20.7 Dark Up 44.1 206.9 Up 02:02:14 - 02:32:14 -15
Lee Vining 02:17:00 -19.2 Dark Up 44.9 204.4 Up 02:02:00 - 02:32:00 -25
Bishop 02:17:07 -19.6 Dark Up 45.2 205.6 Up 02:02:07 - 02:32:07 -74
Beatty 02:17:21 -20.8 Dark Up 45.0 208.1 Up 02:02:21 - 02:32:21 -111
Indian Springs 02:17:30 -21.7 Dark Up 44.8 209.7 Up 02:02:30 - 02:32:30 -138
Henderson 02:17:36 -22.1 Dark Up 45.0 210.9 Up 02:02:36 - 02:32:36 -183
Patrick 02:17:46 -22.9 Dark Up 45.1 212.7 Up 02:02:46 - 02:32:46 -236
CPSLO 02:16:53 -17.3 AT Up 47.8 203.3 Up 02:01:53 - 02:31:53 -249
Kingman/Dolan Springs 02:17:45 -22.7 Dark Up 45.3 212.5 Up 02:02:45 - 02:32:45 -255
Laughlin/Bullhead City 02:17:42 -22.3 Dark Up 45.6 211.9 Up 02:02:42 - 02:32:42 -257
Mohave Valley 02:17:42 -22.2 Dark Up 45.8 212.0 Up 02:02:42 - 02:32:42 -281
Lake Havasu City 02:17:45 -22.3 Dark Up 46.0 212.6 Up 02:02:45 - 02:32:45 -315
Parker 02:17:46 -22.3 Dark Up 46.3 212.8 Up 02:02:46 - 02:32:46 -345
Wildwood 02:17:12 -18.7 Dark Up 48.2 206.9 Up 02:02:12 - 02:32:12 -351
Idyllwild 02:17:28 -20.2 Dark Up 47.7 209.8 Up 02:02:28 - 02:32:28 -381
George/Scottsdale 02:18:06 -24.2 Dark Up 45.5 216.3 Up 02:03:06 - 02:33:06 -382
Blythe 02:17:45 -21.9 Dark Up 46.9 212.7 Up 02:02:45 - 02:32:45 -391
Calipatria 02:17:39 -21.0 Dark Up 47.7 211.8 Up 02:02:39 - 02:32:39 -435
Yuma 02:17:47 -21.7 Dark Up 47.7 213.2 Up 02:02:47 - 02:32:47 -472

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 579077, (2022/12/07 02:15UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 27.22  90
Markab         23:04:45.8 +15:12:18  2.5 22.95  70
44 Aqr         22:17:06.5 -05:23:13  5.7  1.16  88
PPM 206121     22:13:51.5 -04:27:05  7.2  0.51  89
PPM 206151     22:15:13.1 -04:09:14  9.6  0.18  88
579077         22:15:45.4 -04:16:27 12.2        88
Positions are for J2000

Event circumstances last updated at 2021/10/15 01:18:03 UT

Marc W. Buie, Southwest Research Institute

RECON