RECON: TNO occultation with 533868

Event between (533868) 14OG394 and star GA1060:00549171 with event index number of 2525191

Geocentric closest approach at 2028/12/13 07:14:10 UTC

J2000 position of star is 04:30:27.5 +17:57:02
Equinox of date position of star is 04:31:51.6 +18:00:05
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 156 degrees from the moon. Moon is 10% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 37.7 AU from the Sun and 36.7 AU from the Earth.
Apparent velocity is 24.6 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is 1479 km.
The sky-plane scale is 26616.4 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=323.6 km assuming a 5% albedo -- 13.3 sec chord
Diameter=132.1 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533868, (2028/12/13 07:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:35.1 +16:33:55  0.8  1.94 154
44Zet Per      03:55:57.6 +31:58:02  2.8 16.17 161
PPM 120015     04:35:13.7 +18:04:32  6.3  0.74 155
PPM 119945     04:31:11.1 +17:55:28  7.6  0.24 156
533868         04:32:08.2 +18:00:41 15.0       155
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 35.3 km RECON observability=1.0 and success probability=62.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:13:06 -61.0 Dark Down 53.3 208.1 Up 07:01:27 - 07:24:46 1521
Kamloops 07:13:46 -61.3 Dark Down 57.2 185.2 Up 07:02:06 - 07:25:25 1457
Kelowna 07:13:44 -62.3 Dark Down 57.9 186.9 Up 07:02:04 - 07:25:23 1374
Peachland 07:13:44 -62.3 Dark Down 58.1 186.4 Up 07:02:05 - 07:25:24 1366
Summerland 07:13:44 -62.5 Dark Down 58.2 186.6 Up 07:02:04 - 07:25:23 1351
Penticton 07:13:44 -62.6 Dark Down 58.3 186.8 Up 07:02:04 - 07:25:23 1344
Oliver 07:13:44 -62.9 Dark Down 58.6 186.9 Up 07:02:04 - 07:25:23 1311
Anarchist Mountain Observatory 07:13:43 -63.1 Dark Down 58.8 187.3 Up 07:02:04 - 07:25:23 1293
Victoria 07:13:55 -62.5 Dark Down 59.4 179.9 Up 07:02:16 - 07:25:35 1280
Okanogan 07:13:44 -63.7 Dark Down 59.4 187.0 Up 07:02:05 - 07:25:24 1233
Brewster 07:13:45 -63.9 Dark Down 59.7 186.7 Up 07:02:05 - 07:25:24 1209
Manson/Chelan 07:13:46 -64.0 Dark Down 60.0 186.0 Up 07:02:06 - 07:25:25 1191
Wenatchee 07:13:47 -64.4 Dark Down 60.4 185.8 Up 07:02:07 - 07:25:26 1147
Ellensburg 07:13:47 -64.7 Dark Down 60.9 185.4 Up 07:02:08 - 07:25:27 1109
Yakima 07:13:48 -65.1 Dark Down 61.3 185.5 Up 07:02:08 - 07:25:27 1070
Toppenish/White Swan 07:13:47 -65.3 Dark Down 61.5 185.9 Up 07:02:08 - 07:25:27 1047
PNWRO 07:13:43 -66.0 Dark Down 61.7 188.9 Up 07:02:03 - 07:25:22 999
The Dalles 07:13:50 -65.8 Dark Down 62.3 184.4 Up 07:02:10 - 07:25:29 978
Maupin 07:13:50 -66.2 Dark Down 62.7 184.7 Up 07:02:10 - 07:25:29 936
Sisters 07:13:52 -66.8 Dark Down 63.6 183.8 Up 07:02:12 - 07:25:31 853
Bend 07:13:51 -67.1 Dark Down 63.8 184.4 Up 07:02:11 - 07:25:30 827
Oregon Observatory 07:13:51 -67.2 Dark Down 64.0 184.1 Up 07:02:12 - 07:25:31 811
Chiloquin 07:13:53 -68.2 Dark Down 65.4 183.4 Up 07:02:14 - 07:25:33 684
Klamath Falls 07:13:53 -68.5 Dark Down 65.7 183.6 Up 07:02:14 - 07:25:33 648
Cedarville 07:13:48 -69.7 Dark Down 66.3 187.5 Up 07:02:09 - 07:25:28 563
Fall River/Burney 07:13:52 -69.7 Dark Down 66.8 184.7 Up 07:02:13 - 07:25:32 525
Greenville 07:13:51 -70.6 Dark Down 67.7 186.0 Up 07:02:12 - 07:25:31 429
Gimple 07:13:51 -70.7 Dark Down 67.7 186.2 Up 07:02:11 - 07:25:30 428
Quincy 07:13:52 -70.8 Dark Down 67.9 186.1 Up 07:02:12 - 07:25:31 408
Portola 07:13:50 -71.1 Dark Down 68.0 187.3 Up 07:02:10 - 07:25:29 390
Reno 07:13:48 -71.6 Dark Down 68.2 189.0 Up 07:02:08 - 07:25:27 357
Dunrhomin 07:12:58 -72.5 Dark Down 62.8 220.0 Up 07:01:19 - 07:24:38 349
Nikitin 07:12:58 -72.7 Dark Down 63.0 220.2 Up 07:01:19 - 07:24:38 330
CU-SBO 07:12:59 -72.8 Dark Down 63.1 220.2 Up 07:01:19 - 07:24:38 324
Carson City 07:13:48 -71.9 Dark Down 68.5 189.2 Up 07:02:08 - 07:25:27 320
Gardnerville 07:13:48 -72.1 Dark Down 68.8 189.5 Up 07:02:08 - 07:25:27 294
Yerington 07:13:46 -72.3 Dark Down 68.7 190.9 Up 07:02:06 - 07:25:25 294
Hawthorne 07:13:44 -72.9 Dark Down 69.0 192.5 Up 07:02:04 - 07:25:23 241
Lee Vining 07:13:46 -73.2 Dark Down 69.7 191.6 Up 07:02:06 - 07:25:25 187
Bishop 07:13:43 -74.0 Dark Down 70.1 193.9 Up 07:02:04 - 07:25:23 118
Beatty 07:13:38 -75.0 Dark Down 70.2 198.6 Up 07:01:58 - 07:25:17 56
Patrick 07:13:28 -77.3 Dark Down 70.7 207.9 Up 07:01:48 - 07:25:07 -122
Laughlin/Bullhead City 07:13:30 -77.3 Dark Down 71.1 206.4 Up 07:01:51 - 07:25:10 -143
Lake Havasu City 07:13:30 -78.0 Dark Down 71.6 208.0 Up 07:01:50 - 07:25:09 -216
Wildwood 07:13:45 -76.7 Dark Down 73.3 195.8 Up 07:02:06 - 07:25:25 -225
Idyllwild 07:13:38 -77.8 Dark Down 73.2 202.1 Up 07:01:59 - 07:25:18 -279
George/Scottsdale 07:13:21 -79.3 Dark Down 71.2 215.7 Up 07:01:41 - 07:25:00 -315
Calipatria 07:13:34 -78.9 Dark Down 73.3 206.5 Up 07:01:55 - 07:25:14 -354
Yuma 07:13:31 -79.6 Dark Down 73.3 209.9 Up 07:01:51 - 07:25:10 -407

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 533868, (2028/12/13 07:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  1.94 154
44Zet Per      03:54:07.9 +31:53:01  2.8 16.17 161
PPM 120015     04:33:33.0 +18:01:00  6.3  0.74 155
PPM 119945     04:29:30.5 +17:51:46  7.6  0.24 156
533868         04:30:27.5 +17:57:02 15.0       156
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:00:10 UT

Marc W. Buie, Southwest Research Institute

RECON