RECON: TNO occultation with 06SF369

Event between 06SF369 and star GA1060:01133758 with event index number of 2548586

Geocentric closest approach at 2028/12/11 10:21:51 UTC

J2000 position of star is 05:39:08.1 +17:50:47
Equinox of date position of star is 05:40:32.0 +17:51:29
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 26% illuminated.
Apparent brightness V=23.1

[RECON map]
Object is 45.0 AU from the Sun and 44.0 AU from the Earth.
Apparent velocity is 25.9 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 213 seconds.
The 1-sigma cross-track error in the shadow position is 3443 km.
The sky-plane scale is 31906.0 km/arcsec.

The object has an absolute magnitude Hv=6.6
Diameter=275.4 km assuming a 5% albedo -- 11.0 sec chord
Diameter=112.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 06SF369, (2028/12/11 10:24UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.4 +07:24:36  0.4 11.15 108
Alnath         05:28:07.5 +28:37:45  1.6 11.16 117
122 Tau        05:38:44.6 +17:03:20  5.7  0.95 114
PPM 121237     05:41:44.7 +17:41:24  8.4  0.28 113
06SF369        05:40:49.5 +17:51:38 14.7       113
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 4.2 sigma about the mid-time.
The median site spacing is 31.5 km RECON observability=1.0 and success probability=1.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:20:10 -41.8 Dark Up 41.0 243.0 Up 10:05:10 - 10:35:10 11225
Kamloops 10:20:37 -50.5 Dark Down 49.1 227.9 Up 10:05:37 - 10:35:37 10886
Kelowna 10:20:33 -50.5 Dark Down 49.2 229.7 Up 10:05:33 - 10:35:33 10827
Peachland 10:20:34 -50.7 Dark Down 49.4 229.4 Up 10:05:34 - 10:35:34 10813
Summerland 10:20:33 -50.7 Dark Down 49.5 229.7 Up 10:05:33 - 10:35:33 10801
Penticton 10:20:33 -50.7 Dark Down 49.5 229.9 Up 10:05:33 - 10:35:33 10796
Oliver 10:20:32 -50.8 Dark Down 49.7 230.2 Up 10:05:32 - 10:35:32 10765
Anarchist Mountain Observatory 10:20:32 -50.8 Dark Down 49.7 230.6 Up 10:05:32 - 10:35:32 10753
Okanogan 10:20:31 -51.2 Dark Down 50.2 230.9 Up 10:05:31 - 10:35:31 10691
Brewster 10:20:31 -51.5 Dark Down 50.5 230.9 Up 10:05:31 - 10:35:31 10664
Victoria 10:20:41 -53.3 Dark Down 52.0 225.8 Up 10:05:41 - 10:35:41 10653
Manson/Chelan 10:20:32 -51.8 Dark Down 50.8 230.6 Up 10:05:32 - 10:35:32 10639
Wenatchee 10:20:31 -52.1 Dark Down 51.2 230.9 Up 10:05:31 - 10:35:31 10594
Ellensburg 10:20:31 -52.4 Dark Down 51.6 231.0 Up 10:05:31 - 10:35:31 10553
Yakima 10:20:30 -52.6 Dark Down 51.9 231.3 Up 10:05:30 - 10:35:30 10515
Toppenish/White Swan 10:20:29 -52.6 Dark Down 51.9 231.8 Up 10:05:29 - 10:35:29 10497
PNWRO 10:20:24 -51.9 Dark Down 51.3 234.0 Up 10:05:24 - 10:35:24 10485
The Dalles 10:20:30 -53.5 Dark Down 52.8 231.6 Up 10:05:30 - 10:35:30 10413
Maupin 10:20:28 -53.6 Dark Down 53.0 232.1 Up 10:05:28 - 10:35:28 10376
Sisters 10:20:29 -54.3 Dark Down 53.9 232.4 Up 10:05:29 - 10:35:29 10286
Bend 10:20:28 -54.2 Dark Down 53.8 233.0 Up 10:05:28 - 10:35:28 10267
Oregon Observatory 10:20:28 -54.4 Dark Down 54.0 233.0 Up 10:05:28 - 10:35:28 10248
Dunrhomin 10:19:40 -43.7 Dark Up 44.9 253.9 Up 10:04:40 - 10:34:40 10196
Nikitin 10:19:40 -43.8 Dark Up 45.0 254.1 Up 10:04:40 - 10:34:40 10178
CU-SBO 10:19:40 -43.8 Dark Up 45.1 254.1 Up 10:04:40 - 10:34:40 10170
Chiloquin 10:20:27 -55.2 Dark Down 55.1 234.0 Up 10:05:27 - 10:35:27 10116
Klamath Falls 10:20:26 -55.2 Dark Down 55.2 234.5 Up 10:05:26 - 10:35:26 10084
Cedarville 10:20:21 -54.4 Dark Down 54.6 237.3 Up 10:05:21 - 10:35:21 10041
Fall River/Burney 10:20:23 -55.4 Dark Down 55.7 236.4 Up 10:05:23 - 10:35:23 9975
Gimple 10:20:21 -55.3 Dark Down 55.8 238.1 Up 10:05:21 - 10:35:21 9894
Greenville 10:20:21 -55.4 Dark Down 55.9 238.0 Up 10:05:21 - 10:35:21 9893
Quincy 10:20:21 -55.5 Dark Down 56.0 238.3 Up 10:05:21 - 10:35:21 9873
Portola 10:20:19 -55.2 Dark Down 55.7 239.0 Up 10:05:19 - 10:35:19 9869
Reno 10:20:17 -54.8 Dark Up 55.4 240.1 Up 10:05:17 - 10:35:17 9853
Carson City 10:20:17 -54.9 Dark Up 55.6 240.6 Up 10:05:17 - 10:35:17 9818
Yerington 10:20:13 -54.4 Dark Up 55.3 241.6 Up 10:05:13 - 10:35:13 9809
Gardnerville 10:20:16 -54.9 Dark Up 55.7 241.0 Up 10:05:16 - 10:35:16 9794
Hawthorne 10:20:12 -54.2 Dark Up 55.1 242.8 Up 10:05:12 - 10:35:12 9772
Lee Vining 10:20:12 -54.7 Dark Up 55.7 243.0 Up 10:05:12 - 10:35:12 9708
Bishop 10:20:10 -54.3 Dark Up 55.5 244.5 Up 10:05:10 - 10:35:10 9660
Beatty 10:20:03 -53.1 Dark Up 54.5 246.9 Up 10:05:03 - 10:35:03 9643
Patrick 10:19:54 -51.0 Dark Up 52.9 251.6 Up 10:04:54 - 10:34:54 9548
Laughlin/Bullhead City 10:19:55 -51.6 Dark Up 53.5 251.2 Up 10:04:55 - 10:34:55 9510
Lake Havasu City 10:19:54 -51.5 Dark Up 53.5 252.3 Up 10:04:54 - 10:34:54 9447
George/Scottsdale 10:19:45 -49.6 Dark Up 51.8 255.4 Up 10:04:45 - 10:34:45 9418
Wildwood 10:20:05 -55.0 Dark Up 56.9 248.8 Up 10:05:05 - 10:35:05 9326
Idyllwild 10:19:59 -53.5 Dark Up 55.6 251.1 Up 10:04:59 - 10:34:59 9324
Calipatria 10:19:55 -52.6 Dark Up 54.9 253.1 Up 10:04:55 - 10:34:55 9284
Yuma 10:19:52 -51.9 Dark Up 54.3 254.4 Up 10:04:52 - 10:34:52 9257

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 06SF369, (2028/12/11 10:24UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.15 108
Alnath         05:26:17.6 +28:36:23  1.6 11.16 117
122 Tau        05:37:03.8 +17:02:24  5.7  0.95 114
PPM 121237     05:40:03.4 +17:40:36  8.4  0.28 113
06SF369        05:39:08.1 +17:50:47 14.7       113
Positions are for J2000

Event circumstances last updated at 2023/12/18 04:58:00 UT

Marc W. Buie, Southwest Research Institute

RECON