RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1000:02430973 with event index number of 2560102

Geocentric closest approach at 2021/12/24 03:04:32 UTC

J2000 position of star is 06:58:49.9 +11:47:05
Equinox of date position of star is 07:00:03.3 +11:45:12
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 45 degrees from the moon. Moon is 79% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 29.9 AU from the Sun and 28.9 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 4.1 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 1179 km.
The sky-plane scale is 20978.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=195.0 km assuming a 5% albedo -- 8.2 sec chord
Diameter=79.6 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2021/12/24 03:05UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:21.7 +07:24:34  0.4 16.29  62
Alhena         06:38:58.9 +16:22:43  1.9  6.89  49
PPM 123452     07:04:51.1 +10:55:03  6.5  1.44  44
PPM 123306     06:58:39.1 +11:52:36  6.8  0.37  46
PPM 123366     07:01:05.7 +11:46:12  8.8  0.25  45
PPM 123331     06:59:40.0 +11:55:03 10.2  0.19  45
14WR510        07:00:03.4 +11:45:12 15.5        45
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 03:07:31 -28.3 Dark Down 12.0 86.0 Really Low 02:58:16 - 03:16:46 -1465
Kelowna 03:07:33 -28.8 Dark Down 12.6 86.5 Really Low 02:58:18 - 03:16:48 -1539
Peachland 03:07:34 -28.6 Dark Down 12.4 86.3 Really Low 02:58:19 - 03:16:49 -1543
Sleaford 03:07:17 -37.2 Dark Down 21.0 97.8 Low 02:58:02 - 03:16:32 -1551
Summerland 03:07:34 -28.7 Dark Down 12.4 86.3 Really Low 02:58:19 - 03:16:49 -1555
Penticton 03:07:34 -28.8 Dark Down 12.5 86.4 Really Low 02:58:19 - 03:16:49 -1562
Victoria 03:07:38 -26.2 Dark Down 9.9 83.4 Really Low 02:58:23 - 03:16:53 -1582
Oliver 03:07:35 -28.7 Dark Down 12.5 86.3 Really Low 02:58:20 - 03:16:50 -1589
Anarchist Mountain Observatory 03:07:36 -28.9 Dark Down 12.6 86.4 Really Low 02:58:21 - 03:16:51 -1604
Tonasket 03:07:37 -28.8 Dark Down 12.5 86.3 Really Low 02:58:22 - 03:16:52 -1627
Okanogan 03:07:38 -28.7 Dark Down 12.4 86.1 Really Low 02:58:23 - 03:16:53 -1651
Brewster 03:07:39 -28.5 Dark Down 12.3 85.9 Really Low 02:58:24 - 03:16:54 -1669
Manson/Chelan 03:07:40 -28.3 Dark Down 12.0 85.6 Really Low 02:58:25 - 03:16:55 -1680
Wenatchee 03:07:42 -28.1 Dark Down 11.9 85.4 Really Low 02:58:27 - 03:16:57 -1714
Ellensburg 03:07:43 -27.9 Dark Down 11.7 85.2 Really Low 02:58:28 - 03:16:58 -1743
Yakima 03:07:45 -27.9 Dark Down 11.6 85.1 Really Low 02:58:30 - 03:17:00 -1775
Toppenish/White Swan 03:07:45 -28.0 Dark Down 11.7 85.2 Really Low 02:58:30 - 03:17:00 -1795
Pasco 03:07:45 -28.9 Dark Down 12.6 86.0 Really Low 02:58:30 - 03:17:00 -1824
Goldendale 03:07:47 -27.7 Dark Down 11.4 84.7 Really Low 02:58:32 - 03:17:02 -1832
The Dalles 03:07:48 -27.4 Dark Down 11.1 84.4 Really Low 02:58:33 - 03:17:03 -1845
PNWRO 03:07:46 -29.0 Dark Down 12.7 86.1 Really Low 02:58:31 - 03:17:01 -1848
Maupin 03:07:49 -27.4 Dark Down 11.2 84.4 Really Low 02:58:34 - 03:17:04 -1880
Sisters 03:07:52 -27.0 Dark Down 10.7 83.9 Really Low 02:58:37 - 03:17:07 -1944
Redmond 03:07:52 -27.2 Dark Down 11.0 84.2 Really Low 02:58:37 - 03:17:07 -1952
Bend 03:07:53 -27.1 Dark Down 10.9 84.1 Really Low 02:58:38 - 03:17:08 -1967
Oregon Observatory 03:07:53 -27.0 Dark Down 10.8 84.0 Really Low 02:58:38 - 03:17:08 -1980
La Pine/Gilchrist 03:07:54 -26.9 Dark Down 10.7 83.9 Really Low 02:58:39 - 03:17:09 -1995
North Lake 03:07:55 -27.3 Dark Down 11.1 84.2 Really Low 02:58:40 - 03:17:10 -2041
Chiloquin 03:07:58 -26.5 Dark Down 10.3 83.4 Really Low 02:58:43 - 03:17:13 -2082
Paisley 03:07:57 -27.5 Dark Down 11.3 84.3 Really Low 02:58:42 - 03:17:12 -2093
Klamath Falls 03:07:59 -26.5 Dark Down 10.4 83.4 Really Low 02:58:44 - 03:17:14 -2113
Lakeview 03:07:58 -27.6 Dark Down 11.4 84.4 Really Low 02:58:43 - 03:17:13 -2139
Cedarville 03:08:00 -27.6 Dark Down 11.5 84.4 Really Low 02:58:45 - 03:17:15 -2198
Fall River/Burney 03:08:02 -26.7 Dark Down 10.5 83.5 Really Low 02:58:47 - 03:17:17 -2220
Susanville 03:08:03 -27.1 Dark Down 11.0 83.8 Really Low 02:58:48 - 03:17:18 -2286
Greenville 03:08:04 -26.9 Dark Down 10.8 83.6 Really Low 02:58:49 - 03:17:19 -2305
Gimple 03:08:05 -26.9 Dark Down 10.8 83.7 Really Low 02:58:50 - 03:17:20 -2307
Quincy 03:08:05 -26.8 Dark Down 10.8 83.6 Really Low 02:58:50 - 03:17:20 -2323
Portola 03:08:05 -27.2 Dark Down 11.1 83.8 Really Low 02:58:50 - 03:17:20 -2342
Reno 03:08:06 -27.6 Dark Down 11.6 84.2 Really Low 02:58:51 - 03:17:21 -2377
Carson City 03:08:06 -27.6 Dark Down 11.6 84.1 Really Low 02:58:51 - 03:17:21 -2409
Gardnerville 03:08:07 -27.6 Dark Down 11.6 84.1 Really Low 02:58:52 - 03:17:22 -2431
Yerington 03:08:07 -28.1 Dark Down 12.0 84.5 Really Low 02:58:52 - 03:17:22 -2437
Hawthorne 03:08:08 -28.4 Dark Down 12.4 84.7 Really Low 02:58:53 - 03:17:23 -2487
Lee Vining 03:08:10 -28.0 Dark Down 12.0 84.3 Really Low 02:58:55 - 03:17:25 -2529
Dunrhomin 03:07:52 -38.9 Dark Down 22.8 93.7 Low 02:58:37 - 03:17:07 -2551
Tonopah 03:08:08 -29.4 Dark Down 13.5 85.5 Really Low 02:58:53 - 03:17:23 -2554
Bishop 03:08:11 -28.4 Dark Down 12.5 84.6 Really Low 02:58:56 - 03:17:26 -2596
Beatty 03:08:11 -29.7 Dark Down 13.8 85.5 Really Low 02:58:56 - 03:17:26 -2667
Indian Springs 03:08:12 -30.5 Dark Down 14.6 86.0 Really Low 02:58:57 - 03:17:27 -2716
CPSLO 03:08:17 -26.3 Dark Down 10.5 82.9 Really Low 02:59:02 - 03:17:32 -2745
Henderson 03:08:13 -31.0 Dark Down 15.1 86.3 Really Low 02:58:58 - 03:17:28 -2778
Patrick 03:08:13 -31.8 Dark Down 16.0 86.7 Really Low 02:58:58 - 03:17:28 -2855
Laughlin/Bullhead City 03:08:14 -31.2 Dark Down 15.4 86.3 Really Low 02:58:59 - 03:17:29 -2866
Kingman/Dolan Springs 03:08:14 -31.6 Dark Down 15.8 86.6 Really Low 02:58:59 - 03:17:29 -2873
Mohave Valley 03:08:15 -31.1 Dark Down 15.4 86.2 Really Low 02:59:00 - 03:17:30 -2892
Wildwood 03:08:20 -27.7 Dark Down 12.0 83.8 Really Low 02:59:05 - 03:17:35 -2895
Lake Havasu City 03:08:16 -31.3 Dark Down 15.6 86.2 Really Low 02:59:01 - 03:17:31 -2934
Idyllwild 03:08:19 -29.2 Dark Down 13.5 84.7 Really Low 02:59:04 - 03:17:34 -2962
Parker 03:08:17 -31.3 Dark Down 15.6 86.1 Really Low 02:59:02 - 03:17:32 -2968
Blythe 03:08:18 -30.9 Dark Down 15.3 85.8 Really Low 02:59:03 - 03:17:33 -3012
Calipatria 03:08:20 -30.1 Dark Down 14.5 85.2 Really Low 02:59:05 - 03:17:35 -3043
George/Scottsdale 03:08:16 -33.2 Dark Down 17.6 87.3 Really Low 02:59:01 - 03:17:31 -3051
Yuma 03:08:21 -30.8 Dark Down 15.2 85.6 Really Low 02:59:06 - 03:17:36 -3100

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 14WR510, (2021/12/24 03:05UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.29  62
Alhena         06:37:42.8 +16:23:57  1.9  6.89  49
PPM 123452     07:03:38.1 +10:57:05  6.5  1.44  44
PPM 123306     06:57:25.6 +11:54:27  6.8  0.37  46
PPM 123366     06:59:52.2 +11:48:07  8.8  0.25  45
PPM 123331     06:58:26.5 +11:56:56 10.2  0.19  45
14WR510        06:58:49.9 +11:47:05 15.5        45
Positions are for J2000

Event circumstances last updated at 2021/12/18 01:44:59 UT

Marc W. Buie, Southwest Research Institute

RECON