RECON: TNO occultation with 472262

Event between (472262) 14QN441 and star GA0880:00364135 with event index number of 2665616

Geocentric closest approach at 2028/12/28 08:23:25 UTC

J2000 position of star is 04:11:32.1 -00:17:25
Equinox of date position of star is 04:12:45.8 -00:13:47
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 25 degrees from the moon. Moon is 88% illuminated.
Apparent brightness V=22.1

[RECON map]
Object is 34.4 AU from the Sun and 33.7 AU from the Earth.
Apparent velocity is 19.9 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is 1473 km.
The sky-plane scale is 24408.0 km/arcsec.

The object has an absolute magnitude Hv=6.7
Diameter=267.9 km assuming a 5% albedo -- 13.7 sec chord
Diameter=109.4 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 472262, (2028/12/28 08:35UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:56.0 -08:10:13  0.1 17.58  40
67Bet Eri      05:09:16.6 -05:03:04  2.8 14.85  36
PPM 175468     04:15:06.6 -01:04:41  6.1  1.01  26
PPM 175464     04:13:00.5 -00:20:58  7.6  0.13  25
472262         04:13:01.1 -00:13:02 15.1        25
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 5.0 sigma about the mid-time.
The median site spacing is 22.6 km RECON observability=1.0 and success probability=7.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:21:24 -57.7 Dark Up 21.0 239.9 Low 08:08:53 - 08:33:55 3138
Kamloops 08:21:54 -62.3 Dark Up 29.0 226.7 Low 08:09:23 - 08:34:25 2958
Kelowna 08:21:48 -63.0 Dark Up 29.1 227.9 Low 08:09:17 - 08:34:19 2914
Peachland 08:21:49 -63.2 Dark Up 29.3 227.7 Low 08:09:18 - 08:34:20 2904
Summerland 08:21:48 -63.3 Dark Up 29.4 227.8 Low 08:09:17 - 08:34:19 2896
Penticton 08:21:48 -63.4 Dark Up 29.4 228.0 Low 08:09:17 - 08:34:19 2892
Oliver 08:21:46 -63.7 Dark Up 29.6 228.1 Low 08:09:15 - 08:34:17 2870
Anarchist Mountain Observatory 08:21:45 -63.9 Dark Up 29.7 228.4 Low 08:09:14 - 08:34:16 2861
Okanogan 08:21:44 -64.5 Dark Up 30.2 228.4 Up 08:09:13 - 08:34:15 2817
Brewster 08:21:44 -64.8 Dark Up 30.5 228.4 Up 08:09:13 - 08:34:15 2797
Victoria 08:21:55 -64.7 Dark Up 31.9 224.5 Up 08:09:24 - 08:34:26 2796
Manson/Chelan 08:21:44 -65.1 Dark Up 30.8 228.1 Up 08:09:13 - 08:34:15 2781
Wenatchee 08:21:43 -65.5 Dark Up 31.2 228.1 Up 08:09:12 - 08:34:14 2748
Ellensburg 08:21:42 -66.0 Dark Up 31.6 228.1 Up 08:09:11 - 08:34:13 2718
Yakima 08:21:42 -66.4 Dark Up 31.9 228.2 Up 08:09:11 - 08:34:13 2690
Toppenish/White Swan 08:21:40 -66.6 Dark Up 31.9 228.5 Up 08:09:09 - 08:34:11 2677
PNWRO 08:21:35 -66.7 Dark Up 31.4 230.2 Up 08:09:04 - 08:34:06 2664
The Dalles 08:21:40 -67.4 Dark Up 32.9 228.1 Up 08:09:09 - 08:34:11 2616
Maupin 08:21:39 -67.8 Dark Up 33.1 228.4 Up 08:09:08 - 08:34:10 2588
Sisters 08:21:37 -68.8 Dark Up 33.9 228.3 Up 08:09:06 - 08:34:08 2522
Bend 08:21:36 -69.0 Dark Up 34.0 228.7 Up 08:09:05 - 08:34:07 2507
Oregon Observatory 08:21:37 -69.2 Dark Up 34.1 228.6 Up 08:09:06 - 08:34:08 2494
Chiloquin 08:21:33 -70.5 Dark Up 35.2 228.9 Up 08:09:02 - 08:34:04 2393
Klamath Falls 08:21:32 -70.8 Dark Up 35.4 229.1 Up 08:09:01 - 08:34:03 2369
Dunrhomin 08:20:39 -66.3 Dark Up 26.1 245.0 Low 08:08:08 - 08:33:10 2355
Nikitin 08:20:38 -66.4 Dark Up 26.2 245.1 Low 08:08:07 - 08:33:09 2341
CU-SBO 08:20:38 -66.5 Dark Up 26.3 245.0 Low 08:08:07 - 08:33:09 2335
Cedarville 08:21:25 -71.3 Dark Up 35.0 231.1 Up 08:08:54 - 08:33:56 2331
Fall River/Burney 08:21:28 -72.0 Dark Up 36.0 230.2 Up 08:08:57 - 08:33:59 2283
Gimple 08:21:24 -72.8 Dark Up 36.3 231.2 Up 08:08:53 - 08:33:55 2218
Greenville 08:21:24 -72.8 Dark Up 36.3 231.1 Up 08:08:53 - 08:33:55 2217
Quincy 08:21:23 -73.0 Dark Up 36.4 231.2 Up 08:08:52 - 08:33:54 2202
Portola 08:21:21 -73.0 Dark Up 36.2 231.8 Up 08:08:50 - 08:33:52 2197
Reno 08:21:18 -73.1 Dark Up 36.0 232.5 Up 08:08:47 - 08:33:49 2182
Carson City 08:21:17 -73.5 Dark Up 36.2 232.8 Up 08:08:46 - 08:33:48 2154
Yerington 08:21:14 -73.5 Dark Up 35.9 233.5 Up 08:08:43 - 08:33:45 2144
Gardnerville 08:21:16 -73.7 Dark Up 36.3 233.0 Up 08:08:45 - 08:33:47 2135
Hawthorne 08:21:12 -73.8 Dark Up 35.9 234.3 Up 08:08:41 - 08:33:43 2113
Lee Vining 08:21:12 -74.5 Dark Up 36.5 234.1 Up 08:08:41 - 08:33:43 2063
Bishop 08:21:08 -74.8 Dark Up 36.4 235.2 Up 08:08:37 - 08:33:39 2022
Beatty 08:21:01 -74.7 Dark Up 35.6 236.9 Up 08:08:30 - 08:33:32 1999
Patrick 08:20:48 -74.6 Dark Up 34.4 240.3 Up 08:08:17 - 08:33:19 1903
Laughlin/Bullhead City 08:20:49 -75.1 Dark Up 35.1 239.9 Up 08:08:18 - 08:33:20 1876
Lake Havasu City 08:20:47 -75.5 Dark Up 35.2 240.5 Up 08:08:16 - 08:33:18 1822
George/Scottsdale 08:20:36 -74.6 Dark Up 33.8 243.0 Up 08:08:05 - 08:33:07 1778
Wildwood 08:21:00 -77.9 Dark Up 38.4 237.0 Up 08:08:29 - 08:33:31 1748
Idyllwild 08:20:52 -77.3 Dark Up 37.3 238.9 Up 08:08:21 - 08:33:23 1736
Calipatria 08:20:47 -77.2 Dark Up 36.8 240.3 Up 08:08:16 - 08:33:18 1694
Yuma 08:20:42 -77.0 Dark Up 36.3 241.4 Up 08:08:11 - 08:33:13 1665

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 472262, (2028/12/28 08:35UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 17.58  40
67Bet Eri      05:07:50.8 -05:05:13  2.8 14.85  36
PPM 175468     04:13:38.1 -01:08:59  6.1  1.01  26
PPM 175464     04:11:31.6 -00:25:21  7.6  0.13  25
472262         04:11:32.1 -00:17:25 15.1        25
Positions are for J2000

Event circumstances last updated at 2024/01/09 22:29:25 UT

Marc W. Buie, Southwest Research Institute

RECON