RECON: TNO occultation with 470308

Event between (470308) 07JH43 and star GA0600:27356642 with event index number of 2752681

Geocentric closest approach at 2029/04/25 09:22:26 UTC

J2000 position of star is 17:33:49.6 -29:22:46
Equinox of date position of star is 17:35:23.2 -29:23:40
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 92 degrees from the moon. Moon is 86% illuminated.
Apparent brightness V=21.0

[RECON map]
Object is 40.5 AU from the Sun and 39.8 AU from the Earth.
Apparent velocity is 15.0 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 273 seconds.
The 1-sigma cross-track error in the shadow position is 2021 km.
The sky-plane scale is 28888.8 km/arcsec.

The object has an absolute magnitude Hv=4.8
Diameter=758.6 km assuming a 5% albedo -- 43.5 sec chord
Diameter=309.7 km assuming a 30% albedo -- 17.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 470308, (2029/04/25 09:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.6 -26:29:40  0.9 14.52  77
34Ups Sco      17:32:45.6 -37:18:58  2.7  7.94  91
PPM 266892     17:29:29.8 -29:44:49  6.4  1.39  90
PPM 267008     17:35:46.2 -29:14:28  8.4  0.16  92
PPM 267007     17:35:46.1 -29:25:01  9.5  0.03  92
470308         17:35:41.7 -29:23:50 17.0        92
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 3.3 sigma about the mid-time.
The median site spacing is 20.2 km RECON observability=0.2 and success probability=1.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:22:09 -17.9 AT Up 7.5 166.7 Really Low 09:07:09 - 09:37:09 1981
Kamloops 09:23:14 -23.4 Dark Up 5.9 154.6 Really Low 09:08:14 - 09:38:14 1969
Kelowna 09:23:12 -23.9 Dark Up 6.8 155.3 Really Low 09:08:12 - 09:38:12 1959
Peachland 09:23:14 -24.1 Dark Up 6.9 155.0 Really Low 09:08:14 - 09:38:14 1956
Summerland 09:23:13 -24.2 Dark Up 7.0 155.1 Really Low 09:08:13 - 09:38:13 1954
Penticton 09:23:13 -24.3 Dark Up 7.1 155.2 Really Low 09:08:13 - 09:38:13 1953
Oliver 09:23:15 -24.6 Dark Up 7.4 155.2 Really Low 09:08:15 - 09:38:15 1947
Anarchist Mountain Observatory 09:23:14 -24.7 Dark Up 7.6 155.3 Really Low 09:08:14 - 09:38:14 1945
Okanogan 09:23:18 -25.3 Dark Up 8.2 155.1 Really Low 09:08:18 - 09:38:18 1931
Brewster 09:23:19 -25.6 Dark Up 8.4 154.9 Really Low 09:08:19 - 09:38:19 1925
Manson/Chelan 09:23:21 -25.9 Dark Up 8.4 154.6 Really Low 09:08:21 - 09:38:21 1919
Victoria 09:23:33 -26.1 Dark Up 6.9 152.0 Really Low 09:08:33 - 09:38:33 1915
Wenatchee 09:23:24 -26.4 Dark Up 8.8 154.5 Really Low 09:08:24 - 09:38:24 1909
Ellensburg 09:23:25 -26.8 Dark Up 9.1 154.3 Really Low 09:08:25 - 09:38:25 1899
Yakima 09:23:27 -27.2 Dark Up 9.5 154.2 Really Low 09:08:27 - 09:38:27 1889
Toppenish/White Swan 09:23:27 -27.4 Dark Up 9.7 154.4 Really Low 09:08:27 - 09:38:27 1885
PNWRO 09:23:21 -27.3 Dark Up 10.5 155.6 Really Low 09:08:21 - 09:38:21 1882
The Dalles 09:23:32 -28.3 Dark Up 10.2 153.7 Really Low 09:08:32 - 09:38:32 1862
Maupin 09:23:33 -28.7 Dark Up 10.6 153.7 Really Low 09:08:33 - 09:38:33 1852
Sisters 09:23:35 -29.6 Dark Up 11.2 153.2 Really Low 09:08:35 - 09:38:35 1828
Bend 09:23:35 -29.8 Dark Up 11.5 153.4 Really Low 09:08:35 - 09:38:35 1822
Oregon Observatory 09:23:35 -29.9 Dark Up 11.7 153.3 Really Low 09:08:35 - 09:38:35 1818
Chiloquin 09:23:35 -31.3 Dark Up 12.7 152.8 Really Low 09:08:35 - 09:38:35 1782
Klamath Falls 09:23:35 -31.6 Dark Up 13.0 152.9 Really Low 09:08:35 - 09:38:35 1773
Cedarville 09:23:35 -31.7 Dark Up 14.2 154.1 Really Low 09:08:35 - 09:38:35 1753
Fall River/Burney 09:23:35 -32.5 Dark Up 14.2 153.0 Really Low 09:08:35 - 09:38:35 1739
Greenville 09:23:35 -33.2 Dark Up 15.2 153.3 Really Low 09:08:35 - 09:38:35 1711
Gimple 09:23:35 -33.2 Dark Up 15.2 153.4 Really Low 09:08:35 - 09:38:35 1711
Quincy 09:23:35 -33.4 Dark Up 15.3 153.3 Really Low 09:08:35 - 09:38:35 1705
Portola 09:23:35 -33.4 Dark Up 15.6 153.7 Really Low 09:08:35 - 09:38:35 1700
Dunrhomin 09:22:25 -26.9 Dark Up 19.1 166.8 Really Low 09:07:25 - 09:37:25 1693
Reno 09:23:35 -33.4 Dark Up 16.1 154.2 Really Low 09:08:35 - 09:38:35 1690
Nikitin 09:22:27 -27.0 Dark Up 19.3 166.8 Really Low 09:07:27 - 09:37:27 1687
CU-SBO 09:22:26 -27.1 Dark Up 19.3 166.7 Really Low 09:07:26 - 09:37:26 1685
Carson City 09:23:35 -33.7 Dark Up 16.4 154.2 Really Low 09:08:35 - 09:38:35 1678
Yerington 09:23:35 -33.7 Dark Up 16.8 154.7 Really Low 09:08:35 - 09:38:35 1671
Gardnerville 09:23:35 -33.9 Dark Up 16.7 154.2 Really Low 09:08:35 - 09:38:35 1670
Hawthorne 09:23:35 -33.9 Dark Up 17.4 155.1 Really Low 09:08:35 - 09:38:35 1654
Lee Vining 09:23:35 -34.6 Dark Up 17.7 154.6 Really Low 09:08:35 - 09:38:35 1635
Bishop 09:23:35 -34.9 Dark Up 18.5 155.1 Really Low 09:08:35 - 09:38:35 1611
Beatty 09:23:35 -34.7 Dark Up 19.5 156.4 Really Low 09:08:35 - 09:38:35 1593
Patrick 09:23:23 -34.7 Dark Up 21.7 158.7 Low 09:08:23 - 09:38:23 1533
Laughlin/Bullhead City 09:23:27 -35.2 Dark Up 21.8 158.0 Low 09:08:27 - 09:38:27 1522
Lake Havasu City 09:23:27 -35.7 Dark Up 22.5 158.2 Low 09:08:27 - 09:38:27 1492
Wildwood 09:23:35 -37.8 Dark Up 21.4 154.4 Low 09:08:35 - 09:38:35 1488
Idyllwild 09:23:35 -37.4 Dark Up 22.4 156.0 Low 09:08:35 - 09:38:35 1460
George/Scottsdale 09:23:15 -35.2 Dark Up 23.9 160.2 Low 09:08:15 - 09:38:15 1455
Calipatria 09:23:35 -37.4 Dark Up 23.4 156.9 Low 09:08:35 - 09:38:35 1428
Yuma 09:23:33 -37.3 Dark Up 24.0 157.6 Low 09:08:33 - 09:38:33 1408

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, (2029/04/25 09:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.52  77
34Ups Sco      17:30:45.8 -37:17:46  2.7  7.94  91
PPM 266892     17:27:37.5 -29:43:29  6.4  1.39  90
PPM 267008     17:33:54.3 -29:13:24  8.4  0.16  92
PPM 267007     17:33:54.0 -29:23:56  9.5  0.03  92
470308         17:33:49.6 -29:22:46 17.0        92
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:34:47 UT

Marc W. Buie, Southwest Research Institute

RECON