RECON: TNO occultation with 535030

Event between (535030) 14WJ510 and star GA0840:04020573 with event index number of 1616840

Geocentric closest approach at 2024/03/23 08:42:48 UTC

J2000 position of star is 11:18:33.4 -05:35:49
Equinox of date position of star is 11:19:32.9 -05:42:13
Stellar brightness G=13.9, use SENSEUP=64
Star is 16 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=22.1

[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 192 seconds.
The 1-sigma cross-track error in the shadow position is 4749 km.
The sky-plane scale is 24976.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.0 sec chord
Diameter=117.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 535030, (2024/03/23 08:43UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.7 +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 4.7 sigma about the mid-time.
The median site spacing is 12.8 km RECON observability=1.0 and success probability=4.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:42:57 -38.1 Dark Up 31.0 207.0 Up 08:27:57 - 08:57:57 3989
Summerland 08:42:58 -38.5 Dark Up 31.4 206.8 Up 08:27:58 - 08:57:58 3969
Penticton 08:42:57 -38.5 Dark Up 31.4 207.0 Up 08:27:57 - 08:57:57 3968
Okanagan Falls 08:42:56 -38.7 Dark Up 31.6 207.0 Up 08:27:56 - 08:57:56 3958
Oliver 08:42:55 -38.9 Dark Up 31.7 207.0 Up 08:27:55 - 08:57:55 3951
Anarchist Mountain Observatory 08:42:56 -39.0 Dark Up 31.8 207.3 Up 08:27:56 - 08:57:56 3946
Oroville 08:42:56 -39.1 Dark Up 31.9 207.2 Up 08:27:56 - 08:57:56 3940
Tonasket 08:42:55 -39.3 Dark Up 32.1 207.3 Up 08:27:55 - 08:57:55 3929
Okanogan 08:42:55 -39.7 Dark Up 32.4 207.2 Up 08:27:55 - 08:57:55 3908
Brewster 08:42:55 -40.0 Dark Up 32.7 207.1 Up 08:27:55 - 08:57:55 3890
Manson/Chelan 08:42:55 -40.2 Dark Up 33.0 206.7 Up 08:27:55 - 08:57:55 3872
Wenatchee 08:42:55 -40.7 Dark Up 33.5 206.7 Up 08:27:55 - 08:57:55 3843
Ellensburg 08:42:55 -41.1 Dark Up 34.0 206.6 Up 08:27:55 - 08:57:55 3816
Pasco 08:42:49 -41.7 Dark Up 34.2 208.4 Up 08:27:49 - 08:57:49 3806
PNWRO 08:42:48 -41.9 Dark Up 34.3 208.7 Up 08:27:48 - 08:57:48 3797
Yakima 08:42:54 -41.5 Dark Up 34.3 206.7 Up 08:27:54 - 08:57:54 3794
Toppenish/White Swan 08:42:53 -41.7 Dark Up 34.5 206.9 Up 08:27:53 - 08:57:53 3786
George/Umatilla 08:42:49 -42.0 Dark Up 34.5 208.2 Up 08:27:49 - 08:57:49 3783
Goldendale 08:42:52 -42.3 Dark Up 35.1 206.6 Up 08:27:52 - 08:57:52 3746
The Dalles 08:42:53 -42.6 Dark Up 35.4 206.2 Up 08:27:53 - 08:57:53 3725
SwRI 08:41:54 -43.4 Dark Up 33.2 225.6 Up 08:26:54 - 08:56:54 3718
Maupin 08:42:52 -43.0 Dark Up 35.8 206.5 Up 08:27:52 - 08:57:52 3704
Madras/Culver 08:42:52 -43.5 Dark Up 36.3 206.6 Up 08:27:52 - 08:57:52 3671
Redmond 08:42:51 -43.9 Dark Up 36.6 206.7 Up 08:27:51 - 08:57:51 3649
Sisters 08:42:52 -43.9 Dark Up 36.7 206.2 Up 08:27:52 - 08:57:52 3642
Bend 08:42:51 -44.1 Dark Up 36.8 206.6 Up 08:27:51 - 08:57:51 3634
Oregon Observatory 08:42:51 -44.3 Dark Up 37.0 206.5 Up 08:27:51 - 08:57:51 3620
La Pine/Gilchrist 08:42:51 -44.5 Dark Up 37.2 206.5 Up 08:27:51 - 08:57:51 3607
North Lake 08:42:48 -44.9 Dark Up 37.4 207.3 Up 08:27:48 - 08:57:48 3594
Paisley 08:42:45 -45.4 Dark Up 37.8 207.9 Up 08:27:45 - 08:57:45 3569
Lakeview 08:42:44 -45.8 Dark Up 38.2 208.3 Up 08:27:44 - 08:57:44 3542
Chiloquin 08:42:49 -45.7 Dark Up 38.3 206.4 Up 08:27:49 - 08:57:49 3531
Klamath Falls 08:42:48 -46.0 Dark Up 38.6 206.6 Up 08:27:48 - 08:57:48 3512
Cedarville 08:42:42 -46.4 Dark Up 38.7 208.8 Up 08:27:42 - 08:57:42 3506
Tulelake 08:42:47 -46.2 Dark Up 38.8 207.1 Up 08:27:47 - 08:57:47 3502
Fall River/Burney 08:42:45 -47.1 Dark Up 39.6 207.5 Up 08:27:45 - 08:57:45 3447
Susanville 08:42:41 -47.6 Dark Up 39.8 208.7 Up 08:27:41 - 08:57:41 3424
Gimple 08:42:41 -47.9 Dark Up 40.2 208.5 Up 08:27:41 - 08:57:41 3401
Greenville 08:42:42 -47.9 Dark Up 40.2 208.4 Up 08:27:42 - 08:57:42 3399
Portola 08:42:39 -48.2 Dark Up 40.3 209.1 Up 08:27:39 - 08:57:39 3389
Reno 08:42:37 -48.3 Dark Up 40.3 210.0 Up 08:27:37 - 08:57:37 3387
Quincy 08:42:41 -48.1 Dark Up 40.4 208.5 Up 08:27:41 - 08:57:41 3386
Yerington 08:42:32 -48.7 Dark Up 40.5 211.0 Up 08:27:32 - 08:57:32 3366
Carson City 08:42:35 -48.7 Dark Up 40.6 210.2 Up 08:27:35 - 08:57:35 3364
Tonopah 08:42:25 -49.2 Dark Up 40.5 213.7 Up 08:27:25 - 08:57:25 3349
Gardnerville 08:42:34 -48.9 Dark Up 40.8 210.3 Up 08:27:34 - 08:57:34 3349
Hawthorne 08:42:31 -49.1 Dark Up 40.7 211.8 Up 08:27:31 - 08:57:31 3348
Lee Vining 08:42:31 -49.7 Dark Up 41.4 211.5 Up 08:27:31 - 08:57:31 3298
Indian Springs 08:42:16 -50.2 Dark Up 41.0 216.2 Up 08:27:16 - 08:57:16 3284
Beatty 08:42:20 -50.2 Dark Up 41.3 214.8 Up 08:27:20 - 08:57:20 3282
Bishop 08:42:28 -50.1 Dark Up 41.6 212.6 Up 08:27:28 - 08:57:28 3275
Henderson 08:42:14 -50.5 Dark Up 41.1 217.3 Up 08:27:14 - 08:57:14 3263
Patrick 08:42:08 -50.7 Dark Up 41.1 218.9 Up 08:27:08 - 08:57:08 3246
Lone Pine 08:42:24 -50.8 Dark Up 42.1 213.4 Up 08:27:24 - 08:57:24 3231
Kingman/Dolan Springs 08:42:09 -51.0 Dark Up 41.4 218.8 Up 08:27:09 - 08:57:09 3226
Searchlight/Boulder City 08:42:12 -51.0 Dark Up 41.6 217.6 Up 08:27:12 - 08:57:12 3225
Laughlin/Bullhead City 08:42:09 -51.2 Dark Up 41.6 218.2 Up 08:27:09 - 08:57:09 3212
Mohave Valley 08:42:09 -51.4 Dark Up 41.8 218.3 Up 08:27:09 - 08:57:09 3193
Lake Havasu City 08:42:08 -51.7 Dark Up 42.0 218.8 Up 08:27:08 - 08:57:08 3171
Parker 08:42:07 -52.0 Dark Up 42.3 219.1 Up 08:27:07 - 08:57:07 3146
Blythe 08:42:07 -52.6 Dark Up 42.9 219.0 Up 08:27:07 - 08:57:07 3102
CPSLO 08:42:30 -52.6 Dark Up 44.3 210.9 Up 08:27:30 - 08:57:30 3076
Idyllwild 08:42:14 -53.1 Dark Up 43.8 216.5 Up 08:27:14 - 08:57:14 3060
Calipatria 08:42:09 -53.4 Dark Up 43.7 218.2 Up 08:27:09 - 08:57:09 3044
Wildwood 08:42:20 -53.3 Dark Up 44.4 214.0 Up 08:27:20 - 08:57:20 3040
Yuma 08:42:04 -53.5 Dark Up 43.6 219.5 Up 08:27:04 - 08:57:04 3033

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 08:43UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 24.76  13
4Gam Crv       12:15:48.2 -17:32:31  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     11:18:36.0 -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 2019/07/06 22:15:12 UT

Marc W. Buie, Southwest Research Institute

RECON