RECON: TNO occultation with 14LP28

Event between 14LP28 and star GA0840:19891830 with event index number of 1212928

Geocentric closest approach at 2022/12/07 02:12:53 UTC

J2000 position of star is 22:15:45.4 -04:16:27
Equinox of date position of star is 22:16:51.6 -04:10:04
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 288 seconds.
The 1-sigma cross-track error in the shadow position is 1565 km.
The sky-plane scale is 28611.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=334.2 km assuming a 5% albedo -- 30.0 sec chord
Diameter=136.4 km assuming a 30% albedo -- 12.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14LP28, (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
14LP28         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 3.1 sigma about the mid-time.
The median site spacing is 17.0 km RECON observability=1.0 and success probability=23.9%
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 02:14:18 -21.2 Dark Up 33.7 199.5 Up 01:59:18 - 02:29:18 703
Kelowna 02:14:17 -21.0 Dark Up 34.1 199.4 Up 01:59:17 - 02:29:17 677
Peachland 02:14:16 -20.8 Dark Up 34.3 199.1 Up 01:59:16 - 02:29:16 670
Summerland 02:14:17 -20.9 Dark Up 34.4 199.2 Up 01:59:17 - 02:29:17 661
Penticton 02:14:18 -20.9 Dark Up 34.4 199.4 Up 01:59:18 - 02:29:18 656
Oliver 02:14:18 -20.9 Dark Up 34.8 199.5 Up 01:59:18 - 02:29:18 633
Anarchist Mountain Observatory 02:14:20 -21.0 Dark Up 34.9 199.7 Up 01:59:20 - 02:29:20 622
Tonasket 02:14:20 -20.8 Dark Up 35.2 199.7 Up 01:59:20 - 02:29:20 601
Victoria 02:13:55 -18.2 Dark Up 36.2 194.8 Up 01:58:55 - 02:28:55 585
Okanogan 02:14:20 -20.7 Dark Up 35.6 199.6 Up 01:59:20 - 02:29:20 579
Brewster 02:14:19 -20.5 Dark Up 35.9 199.4 Up 01:59:19 - 02:29:19 560
Manson/Chelan 02:14:18 -20.2 Dark Up 36.1 199.0 Up 01:59:18 - 02:29:18 546
Wenatchee 02:14:17 -20.0 Dark Up 36.6 198.9 Up 01:59:17 - 02:29:17 513
Ellensburg 02:14:17 -19.8 Dark Up 37.1 198.8 Up 01:59:17 - 02:29:17 485
Yakima 02:14:17 -19.7 Dark Up 37.5 198.9 Up 01:59:17 - 02:29:17 456
Toppenish/White Swan 02:14:19 -19.7 Dark Up 37.6 199.1 Up 01:59:19 - 02:29:19 441
Pasco 02:14:28 -20.6 Dark Up 37.4 200.8 Up 01:59:28 - 02:29:28 434
PNWRO 02:14:30 -20.7 Dark Up 37.6 201.1 Up 01:59:30 - 02:29:30 417
Goldendale 02:14:17 -19.3 Dark Up 38.2 198.7 Up 01:59:17 - 02:29:17 402
The Dalles 02:14:15 -19.0 Dark Up 38.5 198.3 Up 01:59:15 - 02:29:15 385
Maupin 02:14:17 -19.0 Dark Up 38.9 198.6 Up 01:59:17 - 02:29:17 356
Sisters 02:14:15 -18.4 Dark Up 39.9 198.2 Up 01:59:15 - 02:29:15 292
Redmond 02:14:18 -18.7 Dark Up 39.8 198.7 Up 01:59:18 - 02:29:18 290
Bend 02:14:17 -18.6 Dark Up 40.0 198.6 Up 01:59:17 - 02:29:17 274
Oregon Observatory 02:14:17 -18.4 Dark Up 40.2 198.5 Up 01:59:17 - 02:29:17 262
La Pine/Gilchrist 02:14:17 -18.3 Dark Up 40.4 198.4 Up 01:59:17 - 02:29:17 246
North Lake 02:14:22 -18.7 Dark Up 40.7 199.3 Up 01:59:22 - 02:29:22 215
Paisley 02:14:25 -18.8 Dark Up 41.1 200.0 Up 01:59:25 - 02:29:25 174
Chiloquin 02:14:16 -17.8 AT Up 41.6 198.3 Up 01:59:16 - 02:29:16 163
Klamath Falls 02:14:17 -17.8 AT Up 41.9 198.5 Up 01:59:17 - 02:29:17 137
Lakeview 02:14:28 -18.8 Dark Up 41.5 200.4 Up 01:59:28 - 02:29:28 135
Cedarville 02:14:30 -18.8 Dark Up 42.1 200.9 Up 01:59:30 - 02:29:30 85
Fall River/Burney 02:14:22 -17.8 AT Up 42.9 199.4 Up 01:59:22 - 02:29:22 46
Susanville 02:14:29 -18.2 Dark Up 43.3 200.6 Up 01:59:29 - 02:29:29 -2
Dunrhomin 02:16:20 -30.1 Dark Up 37.3 219.9 Up 02:01:20 - 02:31:20 -14
Greenville 02:14:27 -17.9 AT Up 43.6 200.3 Up 01:59:27 - 02:29:27 -24
Gimple 02:14:28 -18.0 AT Up 43.6 200.4 Up 01:59:28 - 02:29:28 -24
Quincy 02:14:28 -17.9 AT Up 43.8 200.3 Up 01:59:28 - 02:29:28 -40
Portola 02:14:32 -18.2 Dark Up 43.8 201.0 Up 01:59:32 - 02:29:32 -50
Reno 02:14:37 -18.6 Dark Up 43.8 202.0 Up 01:59:37 - 02:29:37 -70
Carson City 02:14:38 -18.6 Dark Up 44.2 202.2 Up 01:59:38 - 02:29:38 -99
Yerington 02:14:43 -19.0 Dark Up 44.2 203.1 Up 01:59:43 - 02:29:43 -114
Gardnerville 02:14:39 -18.5 Dark Up 44.4 202.3 Up 01:59:39 - 02:29:39 -119
Hawthorne 02:14:48 -19.3 Dark Up 44.4 204.0 Up 01:59:48 - 02:29:48 -151
Tonopah 02:15:00 -20.3 Dark Up 44.3 206.2 Up 02:00:00 - 02:30:00 -188
Lee Vining 02:14:45 -18.8 Dark Up 45.1 203.6 Up 01:59:45 - 02:29:45 -197
Bishop 02:14:52 -19.2 Dark Up 45.4 204.9 Up 01:59:52 - 02:29:52 -246
Beatty 02:15:06 -20.4 Dark Up 45.2 207.3 Up 02:00:06 - 02:30:06 -284
Indian Springs 02:15:15 -21.2 Dark Up 45.1 208.9 Up 02:00:15 - 02:30:15 -311
Henderson 02:15:22 -21.7 Dark Up 45.2 210.1 Up 02:00:22 - 02:30:22 -356
Patrick 02:15:32 -22.4 Dark Up 45.3 212.0 Up 02:00:32 - 02:30:32 -408
CPSLO 02:14:38 -16.9 AT Up 48.0 202.5 Up 01:59:38 - 02:29:38 -422
Kingman/Dolan Springs 02:15:31 -22.2 Dark Up 45.6 211.8 Up 02:00:31 - 02:30:31 -427
Laughlin/Bullhead City 02:15:27 -21.8 Dark Up 45.8 211.1 Up 02:00:27 - 02:30:27 -430
Mohave Valley 02:15:28 -21.8 Dark Up 46.0 211.3 Up 02:00:28 - 02:30:28 -453
Lake Havasu City 02:15:30 -21.9 Dark Up 46.3 211.9 Up 02:00:30 - 02:30:30 -487
Parker 02:15:31 -21.8 Dark Up 46.6 212.1 Up 02:00:31 - 02:30:31 -518
Wildwood 02:14:57 -18.2 Dark Up 48.4 206.1 Up 01:59:57 - 02:29:57 -524
Idyllwild 02:15:13 -19.7 Dark Up 48.0 209.0 Up 02:00:13 - 02:30:13 -553
George/Scottsdale 02:15:52 -23.8 Dark Up 45.7 215.6 Up 02:00:52 - 02:30:52 -554
Blythe 02:15:30 -21.4 Dark Up 47.1 212.0 Up 02:00:30 - 02:30:30 -564
Calipatria 02:15:24 -20.6 Dark Up 48.0 211.0 Up 02:00:24 - 02:30:24 -607
Yuma 02:15:32 -21.2 Dark Up 47.9 212.5 Up 02:00:32 - 02:30:32 -645

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 14LP28, (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
14LP28         22:15:45.4 -04:16:27 12.2        88
Positions are for J2000

Event circumstances last updated at 2021/03/25 23:08:14 UT

Marc W. Buie, Southwest Research Institute

RECON