RECON: TNO occultation with 470308

Event between (470308) 07JH43 and star GA0600:27172618 with event index number of 2752696

Geocentric closest approach at 2029/05/04 08:59:43 UTC

J2000 position of star is 17:33:15.9 -29:24:02
Equinox of date position of star is 17:34:49.6 -29:24:57
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 39 degrees from the moon. Moon is 61% illuminated.
Apparent brightness V=20.9

[RECON map]
Object is 40.5 AU from the Sun and 39.7 AU from the Earth.
Apparent velocity is 18.1 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 222 seconds.
The 1-sigma cross-track error in the shadow position is 2117 km.
The sky-plane scale is 28809.9 km/arcsec.

The object has an absolute magnitude Hv=4.8
Diameter=758.6 km assuming a 5% albedo -- 36.1 sec chord
Diameter=309.7 km assuming a 30% albedo -- 14.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 470308, (2029/05/04 09:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.7 -26:29:40  0.9 14.40  53
34Ups Sco      17:32:45.7 -37:18:58  2.7  7.91  41
PPM 266892     17:29:29.9 -29:44:49  6.4  1.27  40
PPM 267008     17:35:46.3 -29:14:28  8.4  0.23  39
PPM 267007     17:35:46.2 -29:25:01  9.5  0.14  39
470308         17:35:08.1 -29:25:08 17.0        38
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 4.1 sigma about the mid-time.
The median site spacing is 26.2 km RECON observability=0.2 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 08:59:38 -17.1 AT Up 7.9 169.6 Really Low 08:44:38 - 09:14:38 7924
Kamloops 09:00:31 -21.8 Dark Up 6.7 157.4 Really Low 08:45:31 - 09:15:31 7878
Kelowna 09:00:31 -22.5 Dark Up 7.7 158.1 Really Low 08:45:31 - 09:15:31 7868
Peachland 09:00:31 -22.6 Dark Up 7.7 157.8 Really Low 08:45:31 - 09:15:31 7865
Summerland 09:00:32 -22.7 Dark Up 7.8 157.9 Really Low 08:45:32 - 09:15:32 7862
Penticton 09:00:32 -22.8 Dark Up 7.9 158.0 Really Low 08:45:32 - 09:15:32 7861
Oliver 09:00:32 -23.1 Dark Up 8.3 158.0 Really Low 08:45:32 - 09:15:32 7854
Anarchist Mountain Observatory 09:00:32 -23.3 Dark Up 8.5 158.1 Really Low 08:45:32 - 09:15:32 7852
Okanogan 09:00:34 -23.9 Dark Up 9.0 157.9 Really Low 08:45:34 - 09:15:34 7837
Brewster 09:00:35 -24.2 Dark Up 9.2 157.7 Really Low 08:45:35 - 09:15:35 7829
Manson/Chelan 09:00:37 -24.5 Dark Up 9.3 157.4 Really Low 08:45:37 - 09:15:37 7823
Victoria 09:00:47 -24.4 Dark Down 7.9 154.8 Really Low 08:45:47 - 09:15:47 7813
Wenatchee 09:00:39 -25.0 Dark Up 9.7 157.2 Really Low 08:45:39 - 09:15:39 7810
Ellensburg 09:00:41 -25.4 Dark Up 10.0 157.0 Really Low 08:45:41 - 09:15:41 7799
Yakima 09:00:42 -25.8 Dark Up 10.4 157.0 Really Low 08:45:42 - 09:15:42 7789
Toppenish/White Swan 09:00:42 -26.0 Dark Up 10.7 157.1 Really Low 08:45:42 - 09:15:42 7784
PNWRO 09:00:37 -26.0 Dark Up 11.4 158.4 Really Low 08:45:37 - 09:15:37 7784
The Dalles 09:00:46 -26.9 Dark Up 11.2 156.4 Really Low 08:45:46 - 09:15:46 7758
Maupin 09:00:47 -27.2 Dark Up 11.6 156.5 Really Low 08:45:47 - 09:15:47 7747
Sisters 09:00:51 -28.2 Dark Up 12.2 156.0 Really Low 08:45:51 - 09:15:51 7719
Bend 09:00:50 -28.4 Dark Up 12.5 156.2 Really Low 08:45:50 - 09:15:50 7714
Oregon Observatory 09:00:51 -28.6 Dark Up 12.7 156.1 Really Low 08:45:51 - 09:15:51 7708
Chiloquin 09:00:52 -29.9 Dark Up 13.7 155.6 Really Low 08:45:52 - 09:15:52 7663
Klamath Falls 09:00:52 -30.2 Dark Up 14.1 155.6 Really Low 08:45:52 - 09:15:52 7652
Cedarville 09:00:51 -30.5 Dark Up 15.2 156.9 Really Low 08:45:51 - 09:15:51 7640
Dunrhomin 08:59:48 -26.9 Dark Up 19.6 169.8 Really Low 08:44:48 - 09:14:48 7617
Fall River/Burney 09:00:52 -31.3 Dark Up 15.3 155.8 Really Low 08:45:52 - 09:15:52 7614
Nikitin 08:59:48 -27.0 Dark Up 19.8 169.8 Really Low 08:44:48 - 09:14:48 7611
CU-SBO 08:59:49 -27.1 Dark Up 19.8 169.7 Really Low 08:44:49 - 09:14:49 7609
Gimple 09:00:52 -32.0 Dark Up 16.3 156.2 Really Low 08:45:52 - 09:15:52 7585
Greenville 09:00:52 -32.0 Dark Up 16.2 156.1 Really Low 08:45:52 - 09:15:52 7585
Quincy 09:00:52 -32.2 Dark Up 16.4 156.1 Really Low 08:45:52 - 09:15:52 7577
Portola 09:00:52 -32.2 Dark Up 16.7 156.5 Really Low 08:45:52 - 09:15:52 7576
Reno 09:00:52 -32.3 Dark Up 17.1 157.0 Really Low 08:45:52 - 09:15:52 7570
Carson City 09:00:52 -32.7 Dark Up 17.5 157.0 Really Low 08:45:52 - 09:15:52 7556
Yerington 09:00:51 -32.7 Dark Up 17.8 157.5 Really Low 08:45:51 - 09:15:51 7553
Gardnerville 09:00:52 -32.9 Dark Up 17.7 157.0 Really Low 08:45:52 - 09:15:52 7547
Hawthorne 09:00:50 -33.0 Dark Up 18.4 157.9 Really Low 08:45:50 - 09:15:50 7538
Lee Vining 09:00:52 -33.7 Dark Up 18.8 157.4 Really Low 08:45:52 - 09:15:52 7512
Bishop 09:00:51 -34.0 Dark Up 19.6 157.9 Really Low 08:45:51 - 09:15:51 7491
Beatty 09:00:45 -34.0 Dark Up 20.5 159.3 Low 08:45:45 - 09:15:45 7480
Patrick 09:00:34 -34.4 Dark Up 22.6 161.6 Low 08:45:34 - 09:15:34 7425
Laughlin/Bullhead City 09:00:38 -34.9 Dark Up 22.7 161.0 Low 08:45:38 - 09:15:38 7411
Lake Havasu City 09:00:38 -35.4 Dark Up 23.4 161.1 Low 08:45:38 - 09:15:38 7381
George/Scottsdale 09:00:27 -35.2 Dark Up 24.7 163.2 Low 08:45:27 - 09:15:27 7349
Wildwood 09:00:52 -37.1 Dark Up 22.5 157.3 Low 08:45:52 - 09:15:52 7343
Idyllwild 09:00:50 -36.9 Dark Up 23.4 158.9 Low 08:45:50 - 09:15:50 7336
Calipatria 09:00:45 -37.0 Dark Up 24.4 159.8 Low 08:45:45 - 09:15:45 7310
Yuma 09:00:43 -37.1 Dark Up 25.0 160.6 Low 08:45:43 - 09:15:43 7292

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 470308, (2029/05/04 09:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.40  53
34Ups Sco      17:30:45.8 -37:17:46  2.7  7.91  41
PPM 266892     17:27:37.5 -29:43:29  6.4  1.27  40
PPM 267008     17:33:54.3 -29:13:24  8.4  0.23  39
PPM 267007     17:33:54.0 -29:23:56  9.5  0.14  39
470308         17:33:15.9 -29:24:02 17.0        39
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:05 UT

Marc W. Buie, Southwest Research Institute

RECON