RECON: TNO occultation with 535030

Event between (535030) 14WJ510 and star GA0840:04020573 with event index number of 2261107

Geocentric closest approach at 2024/03/23 08:42:05 UTC

J2000 position of star is 11:18:33.4 -05:35:49
Equinox of date position of star is 11:19:41.2 -05:43:07
Stellar brightness G=13.9, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 16 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 35.4 AU from the Sun and 34.4 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is 2136 km.
The sky-plane scale is 24976.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=274.2 km assuming a 5% albedo -- 11.4 sec chord
Diameter=111.9 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 535030, (2024/03/23 08:42UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.6 +11:50:52  1.3 24.76  13
4Gam Crv       12:17:03.4 -17:40:35  2.6 18.40  33
PPM 194312     11:18:11.9 -07:16:02  6.1  1.59  17
PPM 194335     11:19:38.8 -06:01:44  8.3  0.30  16
PPM 194337     11:19:50.0 -05:43:10  9.8  0.01  16
535030         11:19:47.3 -05:43:46 13.9        16
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 14.6 km RECON observability=1.0 and success probability=12.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:41:49 -33.2 Dark Up 24.6 220.3 Low 08:34:02 - 08:49:35 3153
Kamloops 08:42:20 -37.5 Dark Up 30.6 205.6 Up 08:34:33 - 08:50:06 2843
Kelowna 08:42:16 -38.2 Dark Up 31.1 206.8 Up 08:34:29 - 08:50:02 2821
Peachland 08:42:16 -38.4 Dark Up 31.3 206.5 Up 08:34:30 - 08:50:03 2810
Summerland 08:42:16 -38.5 Dark Up 31.4 206.6 Up 08:34:29 - 08:50:02 2805
Penticton 08:42:15 -38.6 Dark Up 31.4 206.8 Up 08:34:29 - 08:50:02 2803
Oliver 08:42:15 -38.9 Dark Up 31.8 206.8 Up 08:34:28 - 08:50:01 2786
Anarchist Mountain Observatory 08:42:13 -39.0 Dark Up 31.9 207.1 Up 08:34:26 - 08:49:59 2782
Tonasket 08:42:13 -39.3 Dark Up 32.2 207.1 Up 08:34:26 - 08:49:59 2764
Okanogan 08:42:13 -39.7 Dark Up 32.5 207.0 Up 08:34:26 - 08:49:59 2743
Brewster 08:42:13 -40.0 Dark Up 32.8 206.9 Up 08:34:26 - 08:49:59 2725
Manson/Chelan 08:42:13 -40.2 Dark Up 33.1 206.5 Up 08:34:27 - 08:50:00 2707
Wenatchee 08:42:13 -40.7 Dark Up 33.6 206.5 Up 08:34:26 - 08:49:59 2678
Victoria 08:42:24 -40.0 Dark Up 33.4 202.7 Up 08:34:37 - 08:50:10 2673
Ellensburg 08:42:12 -41.2 Dark Up 34.0 206.4 Up 08:34:26 - 08:49:59 2652
PNWRO 08:42:06 -41.9 Dark Up 34.4 208.5 Up 08:34:19 - 08:49:52 2632
Yakima 08:42:11 -41.6 Dark Up 34.4 206.4 Up 08:34:24 - 08:49:57 2629
Toppenish/White Swan 08:42:11 -41.8 Dark Up 34.5 206.7 Up 08:34:24 - 08:49:57 2621
Goldendale 08:42:11 -42.4 Dark Up 35.2 206.4 Up 08:34:24 - 08:49:57 2581
Dunrhomin 08:41:13 -43.2 Dark Up 33.0 225.4 Up 08:33:27 - 08:49:00 2572
The Dalles 08:42:12 -42.6 Dark Up 35.5 206.0 Up 08:34:25 - 08:49:58 2560
CU-SBO 08:41:13 -43.5 Dark Up 33.2 225.4 Up 08:33:26 - 08:48:59 2555
Maupin 08:42:10 -43.0 Dark Up 35.8 206.3 Up 08:34:23 - 08:49:56 2539
Sisters 08:42:09 -44.0 Dark Up 36.8 206.0 Up 08:34:23 - 08:49:56 2477
Bend 08:42:09 -44.2 Dark Up 36.9 206.4 Up 08:34:22 - 08:49:55 2469
Oregon Observatory 08:42:09 -44.3 Dark Up 37.1 206.3 Up 08:34:22 - 08:49:55 2456
North Lake 08:42:05 -44.9 Dark Up 37.5 207.1 Up 08:34:19 - 08:49:52 2430
Lakeview 08:42:02 -45.9 Dark Up 38.2 208.1 Up 08:34:15 - 08:49:48 2378
Chiloquin 08:42:07 -45.7 Dark Up 38.4 206.2 Up 08:34:20 - 08:49:53 2367
Klamath Falls 08:42:07 -46.0 Dark Up 38.7 206.4 Up 08:34:20 - 08:49:53 2347
Cedarville 08:41:59 -46.5 Dark Up 38.8 208.6 Up 08:34:13 - 08:49:46 2341
Fall River/Burney 08:42:03 -47.1 Dark Up 39.6 207.3 Up 08:34:16 - 08:49:49 2282
Susanville 08:41:59 -47.6 Dark Up 39.9 208.4 Up 08:34:12 - 08:49:45 2259
Gimple 08:42:00 -47.9 Dark Up 40.2 208.3 Up 08:34:13 - 08:49:46 2236
Greenville 08:41:59 -48.0 Dark Up 40.3 208.2 Up 08:34:12 - 08:49:45 2234
Portola 08:41:57 -48.2 Dark Up 40.4 208.9 Up 08:34:11 - 08:49:44 2225
Reno 08:41:54 -48.3 Dark Up 40.4 209.8 Up 08:34:08 - 08:49:41 2222
Quincy 08:41:59 -48.2 Dark Up 40.4 208.3 Up 08:34:13 - 08:49:46 2221
Yerington 08:41:51 -48.8 Dark Up 40.6 210.8 Up 08:34:04 - 08:49:37 2201
Carson City 08:41:53 -48.7 Dark Up 40.7 210.0 Up 08:34:07 - 08:49:40 2199
Tonopah 08:41:43 -49.2 Dark Up 40.6 213.5 Up 08:33:57 - 08:49:30 2185
Gardnerville 08:41:53 -48.9 Dark Up 40.9 210.1 Up 08:34:07 - 08:49:40 2184
Hawthorne 08:41:49 -49.1 Dark Up 40.8 211.6 Up 08:34:03 - 08:49:36 2183
Lee Vining 08:41:49 -49.7 Dark Up 41.5 211.3 Up 08:34:03 - 08:49:36 2134
Indian Springs 08:41:35 -50.2 Dark Up 41.1 216.0 Up 08:33:49 - 08:49:22 2119
Beatty 08:41:39 -50.2 Dark Up 41.4 214.6 Up 08:33:53 - 08:49:26 2117
Bishop 08:41:45 -50.2 Dark Up 41.7 212.4 Up 08:33:59 - 08:49:32 2110
Henderson 08:41:32 -50.5 Dark Up 41.2 217.1 Up 08:33:45 - 08:49:18 2098
Patrick 08:41:26 -50.8 Dark Up 41.2 218.7 Up 08:33:40 - 08:49:13 2081
Kingman/Dolan Springs 08:41:26 -51.0 Dark Up 41.4 218.6 Up 08:33:40 - 08:49:13 2061
Laughlin/Bullhead City 08:41:28 -51.2 Dark Up 41.7 218.0 Up 08:33:42 - 08:49:15 2047
Mohave Valley 08:41:28 -51.5 Dark Up 41.9 218.1 Up 08:33:41 - 08:49:14 2028
George/Scottsdale 08:41:16 -51.6 Dark Up 41.4 221.8 Up 08:33:30 - 08:49:03 2006
Lake Havasu City 08:41:26 -51.8 Dark Up 42.1 218.6 Up 08:33:39 - 08:49:12 2005
Parker 08:41:25 -52.1 Dark Up 42.4 218.9 Up 08:33:39 - 08:49:12 1981
Idyllwild 08:41:32 -53.2 Dark Up 43.9 216.3 Up 08:33:45 - 08:49:18 1895
Calipatria 08:41:27 -53.4 Dark Up 43.8 218.0 Up 08:33:40 - 08:49:13 1878
Wildwood 08:41:39 -53.4 Dark Up 44.5 213.8 Up 08:33:53 - 08:49:26 1874
Yuma 08:41:23 -53.5 Dark Up 43.7 219.3 Up 08:33:37 - 08:49:10 1868

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 535030, (2024/03/23 08:42UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 24.76  13
4Gam Crv       12:15:48.1 -17:32:30  2.6 18.40  33
PPM 194312     11:16:58.2 -07:08:05  6.1  1.59  17
PPM 194335     11:18:24.9 -05:53:47  8.3  0.30  16
PPM 194337     11:18:36.1 -05:35:12  9.8  0.01  16
535030         11:18:33.4 -05:35:49 13.9        16
Positions are for J2000

Event circumstances last updated at 2022/03/26 00:06:27 UT

Marc W. Buie, Southwest Research Institute

RECON