RECON: TNO occultation with 471165

Event between (471165) 10HE79 and star GA0720:10362484 with event index number of 2741840

Geocentric closest approach at 2029/04/07 08:31:39 UTC

J2000 position of star is 17:28:31.5 -17:02:33
Equinox of date position of star is 17:29:53.3 -17:03:36
Stellar brightness G=13.7, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 43 degrees from the moon. Moon is 35% illuminated.
Apparent brightness V=21.3

[RECON map]
Object is 39.0 AU from the Sun and 38.6 AU from the Earth.
Apparent velocity is 8.6 km/sec on the sky relative to the star, or, 1.1 arcsec/hr.
The 1-sigma error in the time of the event is 315 seconds.
The 1-sigma cross-track error in the shadow position is 1654 km.
The sky-plane scale is 28005.0 km/arcsec.

The object has an absolute magnitude Hv=5.3
Diameter=527.2 km assuming a 5% albedo -- 61.5 sec chord
Diameter=215.2 km assuming a 30% albedo -- 25.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 471165, (2029/04/07 08:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.4 -26:29:39  0.9 16.61  56
35Eta Oph      17:12:03.5 -15:45:33  2.6  4.55  48
PPM 233026     17:26:20.0 -18:28:13  6.4  1.68  44
PPM 233060     17:27:54.2 -17:06:18  8.5  0.56  44
PPM 233121     17:30:25.2 -17:02:59  9.7  0.05  43
471165         17:30:13.3 -17:03:51 13.7        43
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 2.9 sigma about the mid-time.
The median site spacing is 15.7 km RECON observability=0.1 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)
Sleaford 08:41:28 -27.5 Dark Down 11.9 139.4 Really Low 08:26:28 - 08:56:28 7176
Kamloops 08:42:25 -31.7 Dark Down 6.4 127.1 Really Low 08:27:25 - 08:57:25 6546
Kelowna 08:42:24 -32.4 Dark Down 7.4 127.8 Really Low 08:27:24 - 08:57:24 6510
Peachland 08:42:24 -32.6 Dark Down 7.3 127.5 Really Low 08:27:24 - 08:57:24 6491
Summerland 08:42:24 -32.7 Dark Down 7.4 127.6 Really Low 08:27:24 - 08:57:24 6482
Penticton 08:42:26 -32.7 Dark Down 7.6 127.7 Really Low 08:27:26 - 08:57:26 6480
Oliver 08:42:28 -33.1 Dark Down 7.8 127.6 Really Low 08:27:28 - 08:57:28 6451
Anarchist Mountain Observatory 08:42:28 -33.2 Dark Down 8.0 127.8 Really Low 08:27:28 - 08:57:28 6444
Okanogan 08:42:32 -33.9 Dark Down 8.3 127.5 Really Low 08:27:32 - 08:57:32 6382
Brewster 08:42:33 -34.2 Dark Down 8.3 127.3 Really Low 08:27:33 - 08:57:33 6352
Manson/Chelan 08:42:35 -34.4 Dark Down 8.3 127.0 Really Low 08:27:35 - 08:57:35 6321
Dunrhomin 08:41:45 -37.5 Dark Down 21.2 137.8 Low 08:26:45 - 08:56:45 6319
Nikitin 08:41:45 -37.7 Dark Down 21.3 137.7 Low 08:26:45 - 08:56:45 6303
CU-SBO 08:41:46 -37.8 Dark Down 21.3 137.6 Low 08:26:46 - 08:56:46 6294
Wenatchee 08:42:37 -34.9 Dark Down 8.5 126.8 Really Low 08:27:37 - 08:57:37 6274
Victoria 08:42:43 -34.2 Dark Down 6.1 124.5 Really Low 08:27:43 - 08:57:43 6258
Ellensburg 08:42:38 -35.3 Dark Down 8.6 126.6 Really Low 08:27:38 - 08:57:38 6231
PNWRO 08:42:35 -36.1 Dark Down 10.1 127.8 Really Low 08:27:35 - 08:57:35 6209
Yakima 08:42:40 -35.7 Dark Down 8.8 126.6 Really Low 08:27:40 - 08:57:40 6195
Toppenish/White Swan 08:42:40 -35.9 Dark Down 9.0 126.7 Really Low 08:27:40 - 08:57:40 6183
The Dalles 08:42:43 -36.8 Dark Down 9.1 126.0 Really Low 08:27:43 - 08:57:43 6086
Maupin 08:42:44 -37.2 Dark Down 9.4 126.0 Really Low 08:27:44 - 08:57:44 6053
Sisters 08:42:52 -38.1 Dark Down 9.6 125.5 Really Low 08:27:52 - 08:57:52 5958
Bend 08:42:47 -38.3 Dark Down 9.9 125.7 Really Low 08:27:47 - 08:57:47 5947
Oregon Observatory 08:42:50 -38.5 Dark Down 9.9 125.5 Really Low 08:27:50 - 08:57:50 5926
Chiloquin 08:42:53 -39.9 Dark Down 10.5 125.0 Really Low 08:27:53 - 08:57:53 5793
Cedarville 08:42:51 -40.6 Dark Down 12.1 126.1 Really Low 08:27:51 - 08:57:51 5768
Klamath Falls 08:42:53 -40.2 Dark Down 10.7 125.1 Really Low 08:27:53 - 08:57:53 5765
Fall River/Burney 08:42:55 -41.3 Dark Down 11.6 125.2 Really Low 08:27:55 - 08:57:55 5675
Gimple 08:42:55 -42.1 Dark Down 12.5 125.4 Really Low 08:27:55 - 08:57:55 5615
Greenville 08:42:56 -42.1 Dark Down 12.4 125.3 Really Low 08:27:56 - 08:57:56 5612
Reno 08:42:52 -42.5 Dark Down 13.5 126.1 Really Low 08:27:52 - 08:57:52 5606
Portola 08:42:54 -42.3 Dark Down 12.9 125.6 Really Low 08:27:54 - 08:57:54 5602
Quincy 08:42:57 -42.3 Dark Down 12.5 125.3 Really Low 08:27:57 - 08:57:57 5593
Yerington 08:42:52 -42.9 Dark Down 14.2 126.4 Really Low 08:27:52 - 08:57:52 5584
Carson City 08:42:53 -42.8 Dark Down 13.7 126.0 Really Low 08:27:53 - 08:57:53 5574
Hawthorne 08:42:52 -43.2 Dark Down 14.8 126.7 Really Low 08:27:52 - 08:57:52 5565
Gardnerville 08:42:56 -43.1 Dark Down 13.9 126.0 Really Low 08:27:56 - 08:57:56 5554
Patrick 08:42:31 -44.9 Dark Down 19.7 129.5 Really Low 08:27:31 - 08:57:31 5502
Beatty 08:42:44 -44.3 Dark Down 17.0 127.7 Really Low 08:27:44 - 08:57:44 5501
Lee Vining 08:42:52 -43.9 Dark Down 14.8 126.2 Really Low 08:27:52 - 08:57:52 5493
Bishop 08:42:49 -44.3 Dark Down 15.6 126.6 Really Low 08:27:49 - 08:57:49 5470
George/Scottsdale 08:42:24 -45.8 Dark Down 22.0 130.5 Low 08:27:24 - 08:57:24 5447
Laughlin/Bullhead City 08:42:34 -45.4 Dark Down 19.4 128.9 Really Low 08:27:34 - 08:57:34 5446
Lake Havasu City 08:42:35 -45.9 Dark Down 20.0 128.9 Really Low 08:27:35 - 08:57:35 5398
Yuma 08:42:36 -47.7 Dark Down 20.9 128.2 Low 08:27:36 - 08:57:36 5221
Calipatria 08:42:41 -47.5 Dark Down 20.1 127.6 Low 08:27:41 - 08:57:41 5217
Idyllwild 08:42:46 -47.3 Dark Down 18.9 127.0 Really Low 08:27:46 - 08:57:46 5217
Wildwood 08:42:54 -47.5 Dark Down 17.5 125.7 Really Low 08:27:54 - 08:57:54 5162

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 471165, (2029/04/07 08:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.61  56
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.55  48
PPM 233026     17:24:37.1 -18:26:45  6.4  1.68  44
PPM 233060     17:26:12.3 -17:04:54  8.5  0.56  44
PPM 233121     17:28:43.3 -17:01:41  9.7  0.05  43
471165         17:28:31.5 -17:02:33 13.7        43
Positions are for J2000

Event circumstances last updated at 2023/07/08 02:22:14 UT

Marc W. Buie, Southwest Research Institute

RECON