RECON: TNO occultation with 14FC72

Event between 14FC72 and star GA0920:03829487 with event index number of 1127046

Geocentric closest approach at 2021/03/25 08:09:49 UTC

J2000 position of star is 13:52:12.1 +03:58:11
Equinox of date position of star is 13:53:15.9 +03:51:59
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 65 degrees from the moon. Moon is 85% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 51.7 AU from the Sun and 50.8 AU from the Earth.
The TNO is moving 24.1 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 105 seconds.
The 1-sigma cross-track error in the shadow position is 1952 km.
The sky-plane scale is 36827.7 km/arcsec.

The TNO has an absolute magnitude Hv=4.7
Diameter=695.0 km assuming a 5% albedo -- 28.8 sec chord
Diameter=283.8 km assuming a 30% albedo -- 11.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14FC72, (2021/03/25 08:10UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:16:37.8 +19:04:22  0.0 16.24  66
Vindemiatrix   13:03:14.0 +10:50:44  2.8 14.23  51
PPM 160305     14:04:59.8 +04:47:59  6.2  3.07  68
PPM 160145     13:55:14.4 +03:03:00  8.4  0.95  66
PPM 160134     13:54:34.1 +03:31:23  8.7  0.47  66
PPM 160109     13:52:35.2 +04:04:55 10.3  0.28  65
14FC72         13:53:16.4 +03:51:56 14.1        66
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 18.6 km RECON observability=1.0 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)
Clarence Fulton 08:12:22 -37.8 Dark Up 40.4 151.7 Up 08:03:05 - 08:21:39 13135
Kelowna 08:12:22 -38.2 Dark Up 40.7 151.3 Up 08:03:05 - 08:21:39 13098
Peachland 08:12:24 -38.3 Dark Up 40.7 150.9 Up 08:03:07 - 08:21:41 13079
Summerland 08:12:22 -38.4 Dark Up 40.8 150.9 Up 08:03:05 - 08:21:39 13069
Penticton 08:12:22 -38.5 Dark Up 40.9 151.1 Up 08:03:05 - 08:21:39 13068
Oliver 08:12:22 -38.8 Dark Up 41.2 150.9 Up 08:03:05 - 08:21:39 13039
Anarchist Mountain Observatory 08:12:20 -39.0 Dark Up 41.4 151.1 Up 08:03:03 - 08:21:37 13032
Tonasket 08:12:20 -39.3 Dark Up 41.7 150.8 Up 08:03:03 - 08:21:37 13003
Okanogan 08:12:20 -39.7 Dark Up 41.9 150.5 Up 08:03:03 - 08:21:37 12970
Brewster 08:12:20 -39.9 Dark Up 42.1 150.1 Up 08:03:03 - 08:21:37 12941
Manson/Chelan 08:12:24 -40.2 Dark Up 42.2 149.6 Up 08:03:07 - 08:21:41 12910
Dunrhomin 08:11:31 -45.3 Dark Up 53.1 167.8 Up 08:02:14 - 08:20:48 12882
Wenatchee 08:12:23 -40.6 Dark Up 42.5 149.2 Up 08:03:06 - 08:21:40 12864
Victoria 08:12:32 -39.5 Dark Up 40.5 145.9 Up 08:03:15 - 08:21:49 12851
Ellensburg 08:12:25 -41.0 Dark Up 42.8 148.7 Up 08:03:08 - 08:21:42 12821
Pasco 08:12:18 -41.8 Dark Up 43.9 150.1 Up 08:03:01 - 08:21:35 12809
PNWRO 08:12:17 -42.0 Dark Up 44.2 150.3 Up 08:03:00 - 08:21:34 12797
Yakima 08:12:22 -41.5 Dark Up 43.1 148.4 Up 08:03:05 - 08:21:39 12786
Toppenish/White Swan 08:12:22 -41.7 Dark Up 43.4 148.6 Up 08:03:05 - 08:21:39 12773
Goldendale 08:12:22 -42.2 Dark Up 43.7 147.7 Up 08:03:05 - 08:21:39 12711
The Dalles 08:12:23 -42.5 Dark Up 43.7 147.2 Up 08:03:06 - 08:21:40 12678
Maupin 08:12:22 -42.9 Dark Up 44.1 147.1 Up 08:03:05 - 08:21:39 12645
Redmond 08:12:22 -43.8 Dark Up 44.9 146.5 Up 08:03:05 - 08:21:39 12563
Sisters 08:12:22 -43.8 Dark Up 44.7 146.0 Up 08:03:05 - 08:21:39 12550
Bend 08:12:24 -44.0 Dark Up 45.0 146.2 Up 08:03:07 - 08:21:41 12539
Oregon Observatory 08:12:24 -44.2 Dark Up 45.1 145.9 Up 08:03:07 - 08:21:41 12519
La Pine/Gilchrist 08:12:23 -44.4 Dark Up 45.2 145.7 Up 08:03:06 - 08:21:40 12499
North Lake 08:12:20 -44.8 Dark Up 45.8 146.2 Up 08:03:03 - 08:21:37 12483
Paisley 08:12:21 -45.3 Dark Up 46.4 146.4 Up 08:03:04 - 08:21:38 12448
Lakeview 08:12:20 -45.9 Dark Up 46.9 146.3 Up 08:03:03 - 08:21:37 12411
Cedarville 08:12:16 -46.5 Dark Up 47.5 146.2 Up 08:02:59 - 08:21:33 12359
Klamath Falls 08:12:23 -45.8 Dark Up 46.3 144.5 Up 08:03:06 - 08:21:40 12359
Fall River/Burney 08:12:19 -47.0 Dark Up 47.4 144.2 Up 08:03:02 - 08:21:36 12268
Susanville 08:12:16 -47.6 Dark Up 48.2 144.8 Up 08:02:59 - 08:21:33 12241
Gimple 08:12:16 -47.9 Dark Up 48.4 144.3 Up 08:02:59 - 08:21:33 12207
Greenville 08:12:18 -47.9 Dark Up 48.3 144.2 Up 08:03:01 - 08:21:35 12204
Reno 08:12:13 -48.5 Dark Up 49.3 145.4 Up 08:02:56 - 08:21:30 12196
Portola 08:12:16 -48.2 Dark Up 48.8 144.7 Up 08:02:59 - 08:21:33 12194
Quincy 08:12:17 -48.1 Dark Up 48.5 144.1 Up 08:03:00 - 08:21:34 12186
Yerington 08:12:11 -49.0 Dark Up 50.1 145.9 Up 08:02:54 - 08:21:28 12173
Tonopah 08:12:04 -49.8 Dark Up 51.7 148.0 Up 08:02:47 - 08:21:21 12170
Carson City 08:12:13 -48.8 Dark Up 49.6 145.2 Up 08:02:56 - 08:21:30 12164
Hawthorne 08:12:09 -49.4 Dark Up 50.7 146.3 Up 08:02:52 - 08:21:26 12153
Gardnerville 08:12:14 -49.1 Dark Up 49.8 145.1 Up 08:02:57 - 08:21:31 12144
Indian Springs 08:11:57 -51.1 Dark Up 53.6 149.3 Up 08:02:40 - 08:21:14 12103
Henderson 08:11:55 -51.5 Dark Up 54.3 149.9 Up 08:02:38 - 08:21:12 12086
Beatty 08:12:01 -50.9 Dark Up 52.8 147.9 Up 08:02:44 - 08:21:18 12086
Lee Vining 08:12:09 -50.0 Dark Up 50.9 145.2 Up 08:02:52 - 08:21:26 12081
Patrick 08:11:50 -52.0 Dark Up 55.3 151.3 Up 08:02:33 - 08:21:07 12080
Bishop 08:12:06 -50.6 Dark Up 51.7 145.8 Up 08:02:49 - 08:21:23 12058
Kingman/Dolan Springs 08:11:50 -52.2 Dark Up 55.4 150.8 Up 08:02:33 - 08:21:07 12051
Laughlin/Bullhead City 08:11:53 -52.3 Dark Up 55.2 150.0 Up 08:02:36 - 08:21:10 12026
George/Scottsdale 08:11:42 -53.2 Dark Up 57.5 153.4 Up 08:02:25 - 08:20:59 12020
Mohave Valley 08:11:53 -52.6 Dark Up 55.4 149.8 Up 08:02:36 - 08:21:10 12002
Lake Havasu City 08:11:50 -52.9 Dark Up 55.9 149.9 Up 08:02:33 - 08:21:07 11977
Parker 08:11:50 -53.3 Dark Up 56.2 149.6 Up 08:02:33 - 08:21:07 11946
Blythe 08:11:50 -53.8 Dark Up 56.5 148.8 Up 08:02:33 - 08:21:07 11885
Idyllwild 08:11:57 -54.0 Dark Up 55.5 145.5 Up 08:02:40 - 08:21:14 11800
Yuma 08:11:49 -54.8 Dark Up 57.3 147.9 Up 08:02:32 - 08:21:06 11799
Calipatria 08:11:52 -54.5 Dark Up 56.5 146.8 Up 08:02:35 - 08:21:09 11797
CPSLO 08:12:11 -52.7 Dark Up 52.3 141.1 Up 08:02:54 - 08:21:28 11771
Wildwood 08:12:04 -53.9 Dark Up 54.3 143.0 Up 08:02:47 - 08:21:21 11749

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 14FC72, (2021/03/25 08:10UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:15:38.1 +19:10:15  0.0 16.24  66
Vindemiatrix   13:02:10.2 +10:57:33  2.8 14.23  51
PPM 160305     14:03:55.7 +04:54:03  6.2  3.07  68
PPM 160145     13:54:09.8 +03:09:13  8.4  0.95  66
PPM 160134     13:53:29.7 +03:37:37  8.7  0.47  66
PPM 160109     13:51:30.8 +04:11:11 10.3  0.28  65
14FC72         13:52:12.1 +03:58:11 14.1        65
Positions are for J2000

Event circumstances last updated at 2021/01/19 21:30:33 UT

Marc W. Buie, Southwest Research Institute

RECON