RECON: TNO occultation with 14WK510

Event between 14WK510 and star GA1060:02305443 with event index number of 1435672

Geocentric closest approach at 2024/12/03 12:20:34 UTC

J2000 position of star is 06:44:41.0 +17:59:50
Equinox of date position of star is 06:45:55.0 +17:58:26
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon. Moon is 5% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 36.3 AU from the Sun and 35.4 AU from the Earth.
The TNO is moving 21.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1309 seconds.
The 1-sigma cross-track error in the shadow position is 3519 km.
The sky-plane scale is 25689.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=247.8 km assuming a 5% albedo -- 11.8 sec chord
Diameter=101.1 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14WK510, (2024/12/03 12:21UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.3 +07:24:35  0.4 16.04 157
Alhena         06:39:09.1 +16:22:33  1.9  2.31 168
26 Gem         06:43:51.3 +17:37:08  5.3  0.65 169
PPM 122961     06:46:13.4 +18:03:48  8.5  0.10 170
14WK510        06:46:08.2 +17:58:11 15.7       170
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 0.7 sigma about the mid-time.
The median site spacing is 23.0 km RECON observability=1.0 and success probability=10.7%
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 12:18:49 -30.9 Dark Down 46.3 236.0 Up 12:03:49 - 12:33:49 3446
Kelowna 12:18:48 -31.0 Dark Down 46.6 236.2 Up 12:03:48 - 12:33:48 3410
Peachland 12:18:48 -31.2 Dark Down 46.8 235.9 Up 12:03:48 - 12:33:48 3395
Summerland 12:18:48 -31.1 Dark Down 46.9 236.2 Up 12:03:48 - 12:33:48 3384
Penticton 12:18:48 -31.1 Dark Down 46.8 236.4 Up 12:03:48 - 12:33:48 3380
Oliver 12:18:47 -31.1 Dark Down 47.0 236.7 Up 12:03:47 - 12:33:47 3350
Anarchist Mountain Observatory 12:18:46 -31.0 Dark Down 47.0 237.1 Up 12:03:46 - 12:33:46 3338
Tonasket 12:18:45 -31.0 Dark Down 47.2 237.2 Up 12:03:45 - 12:33:45 3310
Okanogan 12:18:45 -31.1 Dark Down 47.5 237.4 Up 12:03:45 - 12:33:45 3278
Brewster 12:18:44 -31.3 Dark Down 47.8 237.4 Up 12:03:44 - 12:33:44 3250
Victoria 12:18:56 -33.6 Dark Down 49.5 232.8 Up 12:03:56 - 12:33:56 3228
Manson/Chelan 12:18:45 -31.5 Dark Down 48.1 237.2 Up 12:03:45 - 12:33:45 3226
Wenatchee 12:18:44 -31.6 Dark Down 48.4 237.4 Up 12:03:44 - 12:33:44 3181
Ellensburg 12:18:44 -31.8 Dark Down 48.8 237.6 Up 12:03:44 - 12:33:44 3140
Yakima 12:18:43 -31.8 Dark Down 49.0 237.9 Up 12:03:43 - 12:33:43 3103
Pasco 12:18:38 -30.8 Dark Down 48.3 239.9 Up 12:03:38 - 12:33:38 3098
Toppenish/White Swan 12:18:42 -31.7 Dark Down 49.0 238.3 Up 12:03:42 - 12:33:42 3087
PNWRO 12:18:36 -30.7 Dark Down 48.3 240.4 Up 12:03:36 - 12:33:36 3080
Goldendale 12:18:42 -32.0 Dark Down 49.6 238.4 Up 12:03:42 - 12:33:42 3029
The Dalles 12:18:43 -32.2 Dark Down 49.9 238.2 Up 12:03:43 - 12:33:43 3002
Maupin 12:18:41 -32.2 Dark Down 50.1 238.7 Up 12:03:41 - 12:33:41 2966
Redmond 12:18:39 -32.2 Dark Down 50.6 239.6 Up 12:03:39 - 12:33:39 2881
Sisters 12:18:40 -32.5 Dark Down 50.8 239.1 Up 12:03:40 - 12:33:40 2876
Bend 12:18:39 -32.3 Dark Down 50.8 239.6 Up 12:03:39 - 12:33:39 2859
Dunrhomin 12:17:44 -20.2 Dark Down 41.1 258.4 Up 12:02:44 - 12:32:44 2844
Oregon Observatory 12:18:39 -32.4 Dark Down 51.0 239.7 Up 12:03:39 - 12:33:39 2840
La Pine/Gilchrist 12:18:39 -32.5 Dark Down 51.1 239.8 Up 12:03:39 - 12:33:39 2820
North Lake 12:18:36 -32.0 Dark Down 50.9 240.9 Up 12:03:36 - 12:33:36 2791
Paisley 12:18:34 -31.8 Dark Down 51.0 241.9 Up 12:03:34 - 12:33:34 2746
Chiloquin 12:18:37 -32.7 Dark Down 51.9 240.6 Up 12:03:37 - 12:33:37 2710
Lakeview 12:18:31 -31.6 Dark Down 51.1 242.7 Up 12:03:31 - 12:33:31 2702
Klamath Falls 12:18:36 -32.7 Dark Down 52.0 241.1 Up 12:03:36 - 12:33:36 2679
Cedarville 12:18:29 -31.5 Dark Down 51.3 243.6 Up 12:03:29 - 12:33:29 2643
Fall River/Burney 12:18:32 -32.3 Dark Down 52.3 242.8 Up 12:03:32 - 12:33:32 2573
Susanville 12:18:28 -31.8 Dark Down 52.1 244.3 Up 12:03:28 - 12:33:28 2527
Gimple 12:18:28 -31.9 Dark Down 52.4 244.4 Up 12:03:28 - 12:33:28 2497
Greenville 12:18:29 -32.0 Dark Down 52.4 244.3 Up 12:03:29 - 12:33:29 2495
Quincy 12:18:28 -32.0 Dark Down 52.5 244.6 Up 12:03:28 - 12:33:28 2476
Portola 12:18:27 -31.6 Dark Down 52.2 245.2 Up 12:03:27 - 12:33:27 2473
Reno 12:18:24 -31.1 Dark Down 51.9 246.2 Up 12:03:24 - 12:33:24 2460
Carson City 12:18:23 -31.0 Dark Down 52.0 246.7 Up 12:03:23 - 12:33:23 2426
Yerington 12:18:21 -30.5 Dark Down 51.6 247.5 Up 12:03:21 - 12:33:21 2420
Gardnerville 12:18:22 -31.0 Dark Down 52.1 247.0 Up 12:03:22 - 12:33:22 2403
Hawthorne 12:18:18 -30.1 Dark Down 51.4 248.6 Up 12:03:18 - 12:33:18 2385
Tonopah 12:18:12 -29.0 Dark Down 50.6 250.5 Up 12:03:12 - 12:33:12 2369
Lee Vining 12:18:18 -30.4 Dark Down 52.0 248.8 Up 12:03:18 - 12:33:18 2321
Bishop 12:18:14 -29.8 Dark Down 51.7 250.2 Up 12:03:14 - 12:33:14 2277
Beatty 12:18:08 -28.5 Dark Down 50.6 252.2 Up 12:03:08 - 12:33:08 2266
Indian Springs 12:18:04 -27.6 Dark Down 49.9 253.5 Up 12:03:04 - 12:33:04 2257
Henderson 12:18:01 -27.0 Dark Down 49.5 254.7 Up 12:03:01 - 12:33:01 2220
Patrick 12:17:56 -26.0 Dark Down 48.8 256.3 Up 12:02:56 - 12:32:56 2184
Kingman/Dolan Springs 12:17:56 -26.1 Dark Down 49.0 256.4 Up 12:02:56 - 12:32:56 2158
Laughlin/Bullhead City 12:17:57 -26.5 Dark Down 49.4 256.0 Up 12:02:57 - 12:32:57 2144
Mohave Valley 12:17:57 -26.5 Dark Down 49.5 256.3 Up 12:02:57 - 12:32:57 2117
Lake Havasu City 12:17:55 -26.2 Dark Down 49.4 257.0 Up 12:02:55 - 12:32:55 2083
George/Scottsdale 12:17:46 -24.1 Dark Down 47.6 259.6 Up 12:02:46 - 12:32:46 2063
Parker 12:17:54 -26.1 Dark Down 49.5 257.4 Up 12:02:54 - 12:32:54 2049
CPSLO 12:18:18 -31.4 Dark Down 54.1 250.6 Up 12:03:18 - 12:33:18 2026
Blythe 12:17:54 -26.3 Dark Down 49.8 257.8 Up 12:02:54 - 12:32:54 1990
Idyllwild 12:18:01 -28.0 Dark Down 51.5 256.0 Up 12:03:01 - 12:33:01 1954
Wildwood 12:18:08 -29.6 Dark Down 52.9 254.0 Up 12:03:08 - 12:33:08 1948
Calipatria 12:17:56 -26.9 Dark Down 50.7 257.6 Up 12:02:56 - 12:32:56 1919
Yuma 12:17:52 -26.1 Dark Down 50.0 258.8 Up 12:02:52 - 12:32:52 1896

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 14WK510, (2024/12/03 12:21UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.04 157
Alhena         06:37:42.8 +16:23:57  1.9  2.31 168
26 Gem         06:42:24.3 +17:38:42  5.3  0.65 169
PPM 122961     06:44:46.1 +18:05:27  8.5  0.10 170
14WK510        06:44:41.0 +17:59:50 15.7       170
Positions are for J2000

Event circumstances last updated at 2021/03/01 00:14:07 UT

Marc W. Buie, Southwest Research Institute

RECON