RECON: TNO occultation with 500882

Event between (500882) 13JN64 and star GA0740:07801369 with event index number of 1296274

Geocentric closest approach at 2024/06/04 08:58:49 UTC

J2000 position of star is 17:22:58.7 -15:54:39
Equinox of date position of star is 17:24:05.7 -15:55:40
Stellar brightness G=15.6, use SENSEUP=128
Star is 144 degrees from the moon. Moon is 6% illuminated.
TNO apparent brightness V=24.2

[RECON map]
TNO is 39.4 AU from the Sun and 38.4 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 1622 seconds.
The 1-sigma cross-track error in the shadow position is 5540 km.
The sky-plane scale is 27849.6 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=131.8 km assuming a 5% albedo -- 5.5 sec chord
Diameter=53.8 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is 7:3EEEE
 
 
 
 
 
 

Star training set for 500882, (2024/06/04 08:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.6 -26:29:03  0.9 16.31 156
35Eta Oph      17:11:46.8 -15:45:12  2.6  3.04 147
PPM 232892     17:19:43.8 -16:20:09  5.9  1.19 145
PPM 233011     17:25:00.6 -16:03:34  7.0  0.20 144
PPM 232985     17:23:39.7 -15:57:02  9.3  0.17 144
500882         17:24:23.0 -15:55:56 15.6       143
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 0.6 sigma about the mid-time.
The median site spacing is 12.8 km RECON observability=1.0 and success probability=3.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:58:44 -16.3 AT Down 23.8 188.3 Low 08:43:44 - 09:13:44 6462
Summerland 08:58:44 -16.6 AT Down 24.1 188.0 Low 08:43:44 - 09:13:44 6448
Penticton 08:58:44 -16.6 AT Down 24.2 188.1 Low 08:43:44 - 09:13:44 6446
Okanagan Falls 08:58:44 -16.8 AT Down 24.4 188.1 Low 08:43:44 - 09:13:44 6437
Oliver 08:58:44 -17.0 AT Down 24.6 188.1 Low 08:43:44 - 09:13:44 6429
Anarchist Mountain Observatory 08:58:43 -17.1 AT Down 24.7 188.3 Low 08:43:43 - 09:13:43 6422
Oroville 08:58:43 -17.2 AT Down 24.8 188.3 Low 08:43:43 - 09:13:43 6418
Tonasket 08:58:43 -17.4 AT Down 25.0 188.3 Low 08:43:43 - 09:13:43 6407
Okanogan 08:58:43 -17.8 AT Down 25.4 188.1 Low 08:43:43 - 09:13:43 6391
Brewster 08:58:44 -18.1 Dark Down 25.7 187.9 Low 08:43:44 - 09:13:44 6378
Manson/Chelan 08:58:45 -18.3 Dark Down 25.9 187.6 Low 08:43:45 - 09:13:45 6367
Entiat 08:58:44 -18.6 Dark Down 26.1 187.5 Low 08:43:44 - 09:13:44 6356
Wenatchee 08:58:45 -18.8 Dark Down 26.4 187.4 Low 08:43:45 - 09:13:45 6343
Ellensburg 08:58:46 -19.3 Dark Down 26.8 187.2 Low 08:43:46 - 09:13:46 6322
Yakima 08:58:46 -19.7 Dark Down 27.2 187.2 Low 08:43:46 - 09:13:46 6301
Toppenish/White Swan 08:58:45 -19.8 Dark Down 27.4 187.4 Low 08:43:45 - 09:13:45 6291
Pasco 08:58:40 -19.7 Dark Down 27.4 188.8 Low 08:43:40 - 09:13:40 6288
PNWRO 08:58:40 -19.9 Dark Down 27.6 189.0 Low 08:43:40 - 09:13:40 6276
George/Umatilla 08:58:41 -20.1 Dark Down 27.8 188.6 Low 08:43:41 - 09:13:41 6270
Goldendale 08:58:46 -20.5 Dark Down 28.0 187.0 Low 08:43:46 - 09:13:46 6261
The Dalles 08:58:46 -20.7 Dark Down 28.2 186.6 Low 08:43:46 - 09:13:46 6248
Maupin 08:58:46 -21.1 Dark Down 28.7 186.8 Low 08:43:46 - 09:13:46 6226
Madras/Culver 08:58:46 -21.7 Dark Down 29.2 186.7 Low 08:43:46 - 09:13:46 6197
Redmond 08:58:46 -22.0 Dark Down 29.6 186.7 Low 08:43:46 - 09:13:46 6177
Sisters 08:58:47 -22.1 Dark Down 29.6 186.3 Low 08:43:47 - 09:13:47 6177
Bend 08:58:47 -22.2 Dark Down 29.8 186.6 Low 08:43:47 - 09:13:47 6165
Oregon Observatory 08:58:47 -22.4 Dark Down 30.0 186.4 Low 08:43:47 - 09:13:47 6155
La Pine/Gilchrist 08:58:47 -22.6 Dark Down 30.2 186.4 Up 08:43:47 - 09:13:47 6143
North Lake 08:58:45 -23.0 Dark Down 30.6 187.1 Up 08:43:45 - 09:13:45 6121
Paisley 08:58:43 -23.4 Dark Down 31.1 187.5 Up 08:43:43 - 09:13:43 6091
Chiloquin 08:58:48 -23.8 Dark Down 31.3 186.1 Up 08:43:48 - 09:13:48 6079
Lakeview 08:58:42 -23.9 Dark Down 31.6 187.8 Up 08:43:42 - 09:13:42 6062
Klamath Falls 08:58:48 -24.1 Dark Down 31.6 186.2 Up 08:43:48 - 09:13:48 6060
Tulelake 08:58:46 -24.3 Dark Down 31.9 186.5 Up 08:43:46 - 09:13:46 6045
Cedarville 08:58:42 -24.5 Dark Down 32.2 188.0 Up 08:43:42 - 09:13:42 6024
Fall River/Burney 08:58:45 -25.2 Dark Down 32.8 186.7 Up 08:43:45 - 09:13:45 5992
Susanville 08:58:42 -25.7 Dark Down 33.3 187.6 Up 08:43:42 - 09:13:42 5956
Niwot 08:57:49 -21.5 Dark Down 30.4 204.5 Up 08:42:49 - 09:12:49 5940
Gimple 08:58:43 -26.0 Dark Down 33.6 187.4 Up 08:43:43 - 09:13:43 5938
Greenville 08:58:44 -26.0 Dark Down 33.6 187.3 Up 08:43:44 - 09:13:44 5938
SwRI 08:57:50 -21.7 Dark Down 30.5 204.4 Up 08:42:50 - 09:12:50 5934
Quincy 08:58:43 -26.2 Dark Down 33.8 187.3 Up 08:43:43 - 09:13:43 5926
Portola 08:58:42 -26.2 Dark Down 33.9 187.8 Up 08:43:42 - 09:13:42 5919
Reno 08:58:39 -26.3 Dark Down 34.1 188.6 Up 08:43:39 - 09:13:39 5905
Carson City 08:58:39 -26.7 Dark Down 34.5 188.7 Up 08:43:39 - 09:13:39 5883
Yerington 08:58:37 -26.7 Dark Down 34.6 189.4 Up 08:43:37 - 09:13:37 5872
Gardnerville 08:58:39 -26.9 Dark Down 34.7 188.7 Up 08:43:39 - 09:13:39 5867
Hawthorne 08:58:35 -27.1 Dark Down 35.0 190.1 Up 08:43:35 - 09:13:35 5844
Tonopah 08:58:29 -27.2 Dark Down 35.2 191.7 Up 08:43:29 - 09:13:29 5817
Lee Vining 08:58:36 -27.7 Dark Down 35.6 189.6 Up 08:43:36 - 09:13:36 5806
Bishop 08:58:32 -28.1 Dark Down 36.1 190.5 Up 08:43:32 - 09:13:32 5769
Beatty 08:58:27 -28.1 Dark Down 36.3 192.4 Up 08:43:27 - 09:13:27 5742
Indian Springs 08:58:22 -28.2 Dark Down 36.4 193.7 Up 08:43:22 - 09:13:22 5722
Lone Pine 08:58:30 -28.8 Dark Down 36.8 191.0 Up 08:43:30 - 09:13:30 5720
Henderson 08:58:19 -28.5 Dark Down 36.8 194.6 Up 08:43:19 - 09:13:19 5687
Searchlight/Boulder City 08:58:19 -29.0 Dark Down 37.3 194.8 Up 08:43:19 - 09:13:19 5648
Patrick 08:58:15 -28.7 Dark Down 37.2 196.1 Up 08:43:15 - 09:13:15 5646
Kingman/Dolan Springs 08:58:16 -29.0 Dark Down 37.4 195.9 Up 08:43:16 - 09:13:16 5630
Laughlin/Bullhead City 08:58:17 -29.2 Dark Down 37.6 195.3 Up 08:43:17 - 09:13:17 5628
DCO 08:58:13 -28.8 Dark Down 37.3 196.9 Up 08:43:13 - 09:13:13 5625
CPSLO 08:58:40 -30.6 Dark Down 38.4 188.1 Up 08:43:40 - 09:13:40 5624
Mohave Valley 08:58:17 -29.4 Dark Down 37.8 195.3 Up 08:43:17 - 09:13:17 5609
Lake Havasu City 08:58:16 -29.7 Dark Down 38.1 195.7 Up 08:43:16 - 09:13:16 5582
Parker 08:58:16 -30.0 Dark Down 38.5 195.8 Up 08:43:16 - 09:13:16 5557
Wildwood 08:58:32 -31.3 Dark Down 39.3 190.7 Up 08:43:32 - 09:13:32 5546
Idyllwild 08:58:24 -31.1 Dark Down 39.4 193.0 Up 08:43:24 - 09:13:24 5525
Blythe 08:58:17 -30.6 Dark Down 39.0 195.6 Up 08:43:17 - 09:13:17 5520
Calipatria 08:58:19 -31.4 Dark Down 39.7 194.6 Up 08:43:19 - 09:13:19 5483
Yuma 08:58:16 -31.5 Dark Down 39.9 195.7 Up 08:43:16 - 09:13:16 5453

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 500882, (2024/06/04 08:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.31 156
35Eta Oph      17:10:22.7 -15:43:29  2.6  3.04 147
PPM 232892     17:18:19.3 -16:18:42  5.9  1.19 145
PPM 233011     17:23:36.2 -16:02:18  7.0  0.20 144
PPM 232985     17:22:15.4 -15:55:44  9.3  0.17 144
500882         17:22:58.7 -15:54:39 15.6       144
Positions are for J2000

Event circumstances last updated at 2019/06/08 07:11:19 UT

Marc W. Buie, Southwest Research Institute

RECON