RECON: TNO occultation with 03QC112

Event between 03QC112 and star GA0860:00167837 with event index number of 1548490

Geocentric closest approach at 2022/10/16 09:19:27 UTC

J2000 position of star is 02:04:37.1 -02:52:06
Equinox of date position of star is 02:05:44.6 -02:45:45
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 72 degrees from the moon. Moon is 63% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 25.0 AU from the Sun and 24.1 AU from the Earth.
The TNO is moving 24.7 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 201 seconds.
The 1-sigma cross-track error in the shadow position is 2221 km.
The sky-plane scale is 17449.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=112.7 km assuming a 5% albedo -- 4.6 sec chord
Diameter=46.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03QC112, (2022/10/16 09:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.9 +16:33:12  0.8 42.09  30
68Omi Cet      02:20:30.0 -02:52:31  2.0  3.68  69
PPM 184185     02:04:49.5 -03:59:43  5.4  1.26  73
PPM 184193     02:05:04.0 -02:36:14  8.1  0.24  72
03QC112        02:05:46.4 -02:45:35 14.7        72
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 4.5 sigma about the mid-time.
The median site spacing is 23.1 km RECON observability=1.0 and success probability=19.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 09:17:31 -44.3 Dark Up 35.4 195.7 Up 09:02:31 - 09:32:31 1810
Victoria 09:17:40 -47.1 Dark Up 37.9 192.3 Up 09:02:40 - 09:32:40 1752
Peachland 09:17:30 -44.8 Dark Up 36.1 196.6 Up 09:02:30 - 09:32:30 1729
Kelowna 09:17:29 -44.6 Dark Up 36.0 196.9 Up 09:02:29 - 09:32:29 1728
Summerland 09:17:30 -44.9 Dark Up 36.3 196.7 Up 09:02:30 - 09:32:30 1715
Penticton 09:17:29 -44.9 Dark Up 36.3 196.9 Up 09:02:29 - 09:32:29 1707
Oliver 09:17:30 -45.2 Dark Up 36.6 196.9 Up 09:02:30 - 09:32:30 1683
Anarchist Mountain Observatory 09:17:29 -45.3 Dark Up 36.8 197.2 Up 09:02:29 - 09:32:29 1665
Tonasket 09:17:29 -45.6 Dark Up 37.1 197.2 Up 09:02:29 - 09:32:29 1645
Okanogan 09:17:30 -45.9 Dark Up 37.4 197.1 Up 09:02:30 - 09:32:30 1625
Brewster 09:17:31 -46.2 Dark Up 37.7 196.9 Up 09:02:31 - 09:32:31 1612
Manson/Chelan 09:17:32 -46.5 Dark Up 38.0 196.5 Up 09:02:32 - 09:32:32 1608
Wenatchee 09:17:32 -47.0 Dark Up 38.5 196.4 Up 09:02:32 - 09:32:32 1579
Ellensburg 09:17:33 -47.4 Dark Up 38.9 196.2 Up 09:02:33 - 09:32:33 1556
Yakima 09:17:33 -47.8 Dark Up 39.3 196.3 Up 09:02:33 - 09:32:33 1527
Sleaford 09:16:56 -37.4 Dark Up 30.5 211.8 Up 09:01:56 - 09:31:56 1511
Toppenish/White Swan 09:17:33 -47.9 Dark Up 39.5 196.6 Up 09:02:33 - 09:32:33 1506
Goldendale 09:17:34 -48.5 Dark Up 40.1 196.1 Up 09:02:34 - 09:32:34 1479
The Dalles 09:17:36 -48.8 Dark Up 40.4 195.7 Up 09:02:36 - 09:32:36 1473
Maupin 09:17:36 -49.1 Dark Up 40.8 196.0 Up 09:02:36 - 09:32:36 1439
PNWRO 09:17:29 -47.6 Dark Up 39.5 198.5 Up 09:02:29 - 09:32:29 1431
Sisters 09:17:38 -50.1 Dark Up 41.7 195.5 Up 09:02:38 - 09:32:38 1389
Bend 09:17:37 -50.1 Dark Up 41.9 195.9 Up 09:02:37 - 09:32:37 1363
Oregon Observatory 09:17:37 -50.3 Dark Up 42.1 195.8 Up 09:02:37 - 09:32:37 1354
North Lake 09:17:36 -50.6 Dark Up 42.6 196.7 Up 09:02:36 - 09:32:36 1287
Chiloquin 09:17:40 -51.6 Dark Up 43.4 195.6 Up 09:02:40 - 09:32:40 1267
Klamath Falls 09:17:40 -51.8 Dark Up 43.7 195.8 Up 09:02:40 - 09:32:40 1238
Lakeview 09:17:36 -51.2 Dark Up 43.5 197.7 Up 09:02:36 - 09:32:36 1187
Fall River/Burney 09:17:40 -52.6 Dark Up 44.8 196.6 Up 09:02:40 - 09:32:40 1132
Cedarville 09:17:36 -51.7 Dark Up 44.1 198.1 Up 09:02:36 - 09:32:36 1129
Susanville 09:17:38 -52.8 Dark Up 45.2 197.8 Up 09:02:38 - 09:32:38 1056
Greenville 09:17:39 -53.1 Dark Up 45.6 197.5 Up 09:02:39 - 09:32:39 1044
Gimple 09:17:39 -53.1 Dark Up 45.5 197.6 Up 09:02:39 - 09:32:39 1041
Quincy 09:17:39 -53.3 Dark Up 45.8 197.6 Up 09:02:39 - 09:32:39 1028
Portola 09:17:38 -53.2 Dark Up 45.8 198.3 Up 09:02:38 - 09:32:38 1001
Reno 09:17:36 -53.0 Dark Up 45.9 199.3 Up 09:02:36 - 09:32:36 957
Carson City 09:17:36 -53.3 Dark Up 46.2 199.4 Up 09:02:36 - 09:32:36 927
Gardnerville 09:17:36 -53.5 Dark Up 46.4 199.6 Up 09:02:36 - 09:32:36 905
Yerington 09:17:34 -53.1 Dark Up 46.2 200.4 Up 09:02:34 - 09:32:34 888
Hawthorne 09:17:33 -53.2 Dark Up 46.5 201.3 Up 09:02:33 - 09:32:33 831
Lee Vining 09:17:35 -53.9 Dark Up 47.2 200.8 Up 09:02:35 - 09:32:35 802
Tonopah 09:17:29 -52.8 Dark Up 46.5 203.4 Up 09:02:29 - 09:32:29 742
Bishop 09:17:33 -53.9 Dark Up 47.5 202.1 Up 09:02:33 - 09:32:33 725
Beatty 09:17:28 -53.3 Dark Up 47.4 204.5 Up 09:02:28 - 09:32:28 627
Indian Springs 09:17:25 -52.9 Dark Up 47.4 206.2 Up 09:02:25 - 09:32:25 560
Dunrhomin 09:16:53 -44.2 Dark Up 39.9 217.4 Up 09:01:53 - 09:31:53 521
CU-SBO 09:16:53 -44.4 Dark Up 40.2 217.4 Up 09:01:53 - 09:31:53 502
Henderson 09:17:24 -52.8 Dark Up 47.6 207.4 Up 09:02:24 - 09:32:24 488
Wildwood 09:17:36 -56.3 Dark Up 50.6 203.2 Up 09:02:36 - 09:32:36 451
Laughlin/Bullhead City 09:17:23 -53.1 Dark Up 48.2 208.4 Up 09:02:23 - 09:32:23 397
Patrick 09:17:20 -52.5 Dark Up 47.7 209.2 Up 09:02:20 - 09:32:20 393
Kingman/Dolan Springs 09:17:21 -52.8 Dark Up 48.0 209.1 Up 09:02:21 - 09:32:21 380
Mohave Valley 09:17:23 -53.3 Dark Up 48.4 208.5 Up 09:02:23 - 09:32:23 373
Idyllwild 09:17:31 -55.4 Dark Up 50.3 206.2 Up 09:02:31 - 09:32:31 350
Lake Havasu City 09:17:23 -53.4 Dark Up 48.7 209.1 Up 09:02:23 - 09:32:23 328
Parker 09:17:23 -53.6 Dark Up 49.0 209.3 Up 09:02:23 - 09:32:23 296
Calipatria 09:17:27 -55.0 Dark Up 50.4 208.2 Up 09:02:27 - 09:32:27 250
Yuma 09:17:25 -54.7 Dark Up 50.4 209.7 Up 09:02:25 - 09:32:25 178
George/Scottsdale 09:17:15 -52.2 Dark Up 48.3 212.9 Up 09:02:15 - 09:32:15 168

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 03QC112, (2022/10/16 09:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 42.09  30
68Omi Cet      02:19:20.8 -02:58:45  2.0  3.68  69
PPM 184185     02:03:40.5 -04:06:14  5.4  1.26  73
PPM 184193     02:03:54.6 -02:42:45  8.1  0.24  72
03QC112        02:04:37.1 -02:52:06 14.7        72
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:16:58 UT

Marc W. Buie, Southwest Research Institute

RECON