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 02:21:01 UTC

J2000 position of star is 22:15:45.4 -04:16:27
Equinox of date position of star is 22:16:46.0 -04:10:36
Stellar brightness G=12.2, use SENSEUP=16
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 628 seconds.
The 1-sigma cross-track error in the shadow position is 1650 km.
The sky-plane scale is 28611.4 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 29.4 sec chord
Diameter=135.2 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14LP28, (2022/12/07 02:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:54.7 -29:30:00  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  89
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 1.4 sigma about the mid-time.
The median site spacing is 15.5 km RECON observability=1.0 and success probability=10.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 02:22:40 -22.4 Dark Up 33.6 201.9 Up 02:07:40 - 02:37:40 3598
Summerland 02:22:11 -22.1 Dark Up 34.0 201.5 Up 02:07:11 - 02:37:11 3591
Penticton 02:22:39 -22.3 Dark Up 34.0 201.8 Up 02:07:39 - 02:37:39 3574
Okanagan Falls 02:22:40 -22.2 Dark Up 34.2 201.9 Up 02:07:40 - 02:37:40 3562
Oliver 02:22:40 -22.2 Dark Up 34.3 201.9 Up 02:07:40 - 02:37:40 3551
Anarchist Mountain Observatory 02:22:42 -22.3 Dark Up 34.4 202.2 Up 02:07:42 - 02:37:42 3540
Oroville 02:22:42 -22.2 Dark Up 34.5 202.1 Up 02:07:42 - 02:37:42 3535
Tonasket 02:22:42 -22.2 Dark Up 34.7 202.2 Up 02:07:42 - 02:37:42 3519
Okanogan 02:22:42 -22.1 Dark Up 35.1 202.1 Up 02:07:42 - 02:37:42 3497
Brewster 02:22:41 -21.9 Dark Up 35.4 201.9 Up 02:07:41 - 02:37:41 3478
Manson/Chelan 02:22:40 -21.6 Dark Up 35.6 201.6 Up 02:07:40 - 02:37:40 3464
Entiat 02:22:40 -21.5 Dark Up 35.9 201.5 Up 02:07:40 - 02:37:40 3449
Wenatchee 02:22:40 -21.4 Dark Up 36.1 201.5 Up 02:07:40 - 02:37:40 3431
Ellensburg 02:22:40 -21.2 Dark Up 36.6 201.3 Up 02:07:40 - 02:37:40 3403
Yakima 02:22:40 -21.1 Dark Up 37.0 201.4 Up 02:07:40 - 02:37:40 3374
Toppenish/White Swan 02:22:42 -21.2 Dark Up 37.1 201.7 Up 02:07:42 - 02:37:42 3359
Pasco 02:22:51 -22.0 Dark Up 36.9 203.3 Up 02:07:51 - 02:37:51 3352
PNWRO 02:22:53 -22.1 Dark Up 37.0 203.7 Up 02:07:53 - 02:37:53 3334
George/Umatilla 02:22:50 -21.8 Dark Up 37.2 203.1 Up 02:07:50 - 02:37:50 3328
Goldendale 02:22:41 -20.8 Dark Up 37.7 201.3 Up 02:07:41 - 02:37:41 3320
The Dalles 02:22:11 -20.4 Dark Up 38.1 200.8 Up 02:07:11 - 02:37:11 3317
Maupin 02:22:40 -20.4 Dark Up 38.4 201.2 Up 02:07:40 - 02:37:40 3274
Madras/Culver 02:22:41 -20.3 Dark Up 38.9 201.3 Up 02:07:41 - 02:37:41 3234
Sisters 02:22:11 -19.8 Dark Up 39.4 200.7 Up 02:07:11 - 02:37:11 3223
Redmond 02:22:41 -20.2 Dark Up 39.3 201.3 Up 02:07:41 - 02:37:41 3208
Bend 02:22:41 -20.0 Dark Up 39.5 201.2 Up 02:07:41 - 02:37:41 3192
Oregon Observatory 02:22:40 -19.9 Dark Up 39.7 201.1 Up 02:07:40 - 02:37:40 3179
La Pine/Gilchrist 02:22:40 -19.8 Dark Up 39.9 201.1 Up 02:07:40 - 02:37:40 3164
North Lake 02:22:46 -20.2 Dark Up 40.1 202.0 Up 02:07:46 - 02:37:46 3132
Paisley 02:22:49 -20.3 Dark Up 40.6 202.7 Up 02:07:49 - 02:37:49 3091
Chiloquin 02:22:40 -19.3 Dark Up 41.0 201.0 Up 02:07:40 - 02:37:40 3081
Klamath Falls 02:22:41 -19.3 Dark Up 41.3 201.2 Up 02:07:41 - 02:37:41 3055
Lakeview 02:22:52 -20.4 Dark Up 41.0 203.1 Up 02:07:52 - 02:37:52 3053
Tulelake 02:22:44 -19.5 Dark Up 41.5 201.7 Up 02:07:44 - 02:37:44 3034
Cedarville 02:22:55 -20.4 Dark Up 41.5 203.6 Up 02:07:55 - 02:37:55 3003
Fall River/Burney 02:22:46 -19.3 Dark Up 42.3 202.1 Up 02:07:46 - 02:37:46 2964
Susanville 02:22:53 -19.7 Dark Up 42.7 203.3 Up 02:07:53 - 02:37:53 2916
Greenville 02:22:52 -19.5 Dark Up 43.0 203.0 Up 02:07:52 - 02:37:52 2894
Gimple 02:22:52 -19.5 Dark Up 43.0 203.2 Up 02:07:52 - 02:37:52 2893
Niwot 02:24:44 -31.7 Dark Up 36.3 222.3 Up 02:09:44 - 02:39:44 2888
SwRI 02:24:43 -31.6 Dark Up 36.4 222.2 Up 02:09:43 - 02:39:43 2880
Quincy 02:22:52 -19.4 Dark Up 43.2 203.1 Up 02:07:52 - 02:37:52 2878
Portola 02:22:56 -19.8 Dark Up 43.2 203.8 Up 02:07:56 - 02:37:56 2868
Reno 02:23:01 -20.2 Dark Up 43.2 204.8 Up 02:08:01 - 02:38:01 2847
Carson City 02:23:02 -20.1 Dark Up 43.5 205.0 Up 02:08:02 - 02:38:02 2818
Yerington 02:23:07 -20.6 Dark Up 43.5 205.9 Up 02:08:07 - 02:38:07 2803
Gardnerville 02:23:03 -20.1 Dark Up 43.7 205.1 Up 02:08:03 - 02:38:03 2799
Hawthorne 02:23:13 -20.9 Dark Up 43.7 206.8 Up 02:08:13 - 02:38:13 2766
Tonopah 02:23:24 -21.9 Dark Up 43.6 208.9 Up 02:08:24 - 02:38:24 2728
Lee Vining 02:23:10 -20.4 Dark Up 44.4 206.4 Up 02:08:10 - 02:38:10 2720
Bishop 02:23:17 -20.8 Dark Up 44.6 207.6 Up 02:08:17 - 02:38:17 2671
Beatty 02:23:30 -22.1 Dark Up 44.4 210.1 Up 02:08:30 - 02:38:30 2633
Lone Pine 02:23:21 -20.9 Dark Up 45.2 208.5 Up 02:08:21 - 02:38:21 2608
Indian Springs 02:23:40 -22.9 Dark Up 44.2 211.6 Up 02:08:40 - 02:38:40 2606
Henderson 02:23:46 -23.3 Dark Up 44.4 212.8 Up 02:08:46 - 02:38:46 2561
Searchlight/Boulder City 02:23:48 -23.3 Dark Up 44.8 213.2 Up 02:08:48 - 02:38:48 2513
Patrick 02:23:56 -24.1 Dark Up 44.4 214.6 Up 02:08:56 - 02:38:56 2508
CPSLO 02:23:03 -18.5 Dark Up 47.3 205.5 Up 02:08:03 - 02:38:03 2497
Kingman/Dolan Springs 02:23:56 -23.9 Dark Up 44.6 214.5 Up 02:08:56 - 02:38:56 2489
Laughlin/Bullhead City 02:23:52 -23.5 Dark Up 44.9 213.8 Up 02:08:52 - 02:38:52 2487
DCO 02:24:03 -24.6 Dark Up 44.3 215.7 Up 02:09:03 - 02:39:03 2482
Mohave Valley 02:23:52 -23.4 Dark Up 45.1 214.0 Up 02:08:52 - 02:38:52 2464
Lake Havasu City 02:23:55 -23.6 Dark Up 45.3 214.6 Up 02:08:55 - 02:38:55 2429
Parker 02:23:56 -23.5 Dark Up 45.6 214.8 Up 02:08:56 - 02:38:56 2399
Wildwood 02:23:22 -19.9 Dark Up 47.6 209.0 Up 02:08:22 - 02:38:22 2394
Idyllwild 02:23:39 -21.4 Dark Up 47.1 211.8 Up 02:08:39 - 02:38:39 2363
Blythe 02:23:55 -23.2 Dark Up 46.2 214.7 Up 02:08:55 - 02:38:55 2353
Calipatria 02:23:50 -22.3 Dark Up 47.0 213.8 Up 02:08:50 - 02:38:50 2310
Yuma 02:23:58 -22.9 Dark Up 46.9 215.2 Up 02:08:58 - 02:38:58 2272

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 02:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 27.22  90
Markab         23:04:45.7 +15:12:18  2.5 22.95  70
44 Aqr         22:17:06.5 -05:23:13  5.7  1.16  89
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 2019/06/08 04:26:41 UT

Marc W. Buie, Southwest Research Institute

RECON