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 09:22:50 UTC

J2000 position of star is 02:04:37.1 -02:52:06
Equinox of date position of star is 02:05:38.5 -02:46:20
Stellar brightness G=14.7, use SENSEUP=128
Star is 72 degrees from the moon. Moon is 63% illuminated.
TNO apparent brightness V=24.0

[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 185 seconds.
The 1-sigma cross-track error in the shadow position is 2293 km.
The sky-plane scale is 17449.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=94.2 km assuming a 5% albedo -- 2.4 sec chord
Diameter=38.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03QC112, (2022/10/16 09:23UT)
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 4.9 sigma about the mid-time.
The median site spacing is 17.3 km RECON observability=1.0 and success probability=11.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 09:21:01 -46.8 Dark Up 37.8 193.4 Up 09:06:01 - 09:36:01 4030
Clarence Fulton 09:20:49 -44.0 Dark Up 35.4 198.0 Up 09:05:49 - 09:35:49 4029
Peachland 09:20:51 -44.5 Dark Up 36.0 197.6 Up 09:05:51 - 09:35:51 4008
Kelowna 09:20:50 -44.3 Dark Up 35.8 197.9 Up 09:05:50 - 09:35:50 4007
Summerland 09:20:50 -44.6 Dark Up 36.1 197.7 Up 09:05:50 - 09:35:50 3994
Penticton 09:20:50 -44.6 Dark Up 36.1 197.9 Up 09:05:50 - 09:35:50 3986
Oliver 09:20:50 -44.9 Dark Up 36.5 198.0 Up 09:05:50 - 09:35:50 3961
Anarchist Mountain Observatory 09:20:50 -45.0 Dark Up 36.6 198.2 Up 09:05:50 - 09:35:50 3944
Tonasket 09:20:50 -45.3 Dark Up 36.9 198.2 Up 09:05:50 - 09:35:50 3923
Okanogan 09:20:51 -45.6 Dark Up 37.3 198.1 Up 09:05:51 - 09:35:51 3904
Brewster 09:20:52 -45.9 Dark Up 37.6 197.9 Up 09:05:52 - 09:35:52 3890
Manson/Chelan 09:20:53 -46.2 Dark Up 37.8 197.5 Up 09:05:53 - 09:35:53 3886
Entiat 09:20:53 -46.4 Dark Up 38.1 197.5 Up 09:05:53 - 09:35:53 3872
Wenatchee 09:20:53 -46.7 Dark Up 38.3 197.4 Up 09:05:53 - 09:35:53 3857
Ellensburg 09:20:54 -47.1 Dark Up 38.8 197.3 Up 09:05:54 - 09:35:54 3834
Yakima 09:20:54 -47.4 Dark Up 39.2 197.3 Up 09:05:54 - 09:35:54 3804
Toppenish/White Swan 09:20:54 -47.5 Dark Up 39.3 197.6 Up 09:05:54 - 09:35:54 3783
Goldendale 09:20:55 -48.2 Dark Up 39.9 197.2 Up 09:05:55 - 09:35:55 3755
The Dalles 09:20:57 -48.5 Dark Up 40.2 196.8 Up 09:05:57 - 09:35:57 3750
Pasco 09:20:51 -47.1 Dark Up 39.2 199.2 Up 09:05:51 - 09:35:51 3734
Maupin 09:20:56 -48.8 Dark Up 40.6 197.1 Up 09:05:56 - 09:35:56 3715
PNWRO 09:20:50 -47.2 Dark Up 39.3 199.6 Up 09:05:50 - 09:35:50 3708
Sisters 09:20:58 -49.7 Dark Up 41.5 196.6 Up 09:05:58 - 09:35:58 3665
Redmond 09:20:57 -49.6 Dark Up 41.5 197.2 Up 09:05:57 - 09:35:57 3650
Bend 09:20:58 -49.8 Dark Up 41.7 197.0 Up 09:05:58 - 09:35:58 3639
Oregon Observatory 09:20:58 -50.0 Dark Up 41.9 196.9 Up 09:05:58 - 09:35:58 3630
La Pine/Gilchrist 09:20:59 -50.2 Dark Up 42.1 196.9 Up 09:05:59 - 09:35:59 3616
North Lake 09:20:57 -50.3 Dark Up 42.4 197.8 Up 09:05:57 - 09:35:57 3563
Klamath Falls 09:21:00 -51.5 Dark Up 43.6 196.9 Up 09:06:00 - 09:36:00 3513
Paisley 09:20:56 -50.6 Dark Up 42.9 198.4 Up 09:05:56 - 09:35:56 3508
Lakeview 09:20:56 -50.9 Dark Up 43.3 198.8 Up 09:05:56 - 09:35:56 3462
Fall River/Burney 09:21:00 -52.2 Dark Up 44.6 197.8 Up 09:06:00 - 09:36:00 3407
Cedarville 09:20:56 -51.3 Dark Up 43.9 199.3 Up 09:05:56 - 09:35:56 3404
Susanville 09:20:58 -52.4 Dark Up 45.0 199.0 Up 09:05:58 - 09:35:58 3331
Greenville 09:20:59 -52.7 Dark Up 45.4 198.7 Up 09:05:59 - 09:35:59 3319
Gimple 09:20:59 -52.7 Dark Up 45.3 198.8 Up 09:05:59 - 09:35:59 3315
Quincy 09:21:00 -52.9 Dark Up 45.6 198.8 Up 09:06:00 - 09:36:00 3302
Portola 09:20:58 -52.7 Dark Up 45.6 199.4 Up 09:05:58 - 09:35:58 3275
Reno 09:20:56 -52.6 Dark Up 45.6 200.4 Up 09:05:56 - 09:35:56 3231
Carson City 09:20:57 -52.9 Dark Up 46.0 200.6 Up 09:05:57 - 09:35:57 3201
Gardnerville 09:20:57 -53.0 Dark Up 46.2 200.7 Up 09:05:57 - 09:35:57 3179
Yerington 09:20:55 -52.7 Dark Up 46.0 201.5 Up 09:05:55 - 09:35:55 3162
Hawthorne 09:20:54 -52.8 Dark Up 46.3 202.4 Up 09:05:54 - 09:35:54 3105
Lee Vining 09:20:56 -53.4 Dark Up 46.9 202.0 Up 09:05:56 - 09:35:56 3075
Tonopah 09:20:50 -52.3 Dark Up 46.2 204.5 Up 09:05:50 - 09:35:50 3016
Bishop 09:20:54 -53.4 Dark Up 47.3 203.2 Up 09:05:54 - 09:35:54 2999
CPSLO 09:21:03 -56.2 Dark Up 49.8 200.9 Up 09:06:03 - 09:36:03 2905
Beatty 09:20:49 -52.8 Dark Up 47.1 205.7 Up 09:05:49 - 09:35:49 2900
Indian Springs 09:20:46 -52.4 Dark Up 47.1 207.3 Up 09:05:46 - 09:35:46 2833
Niwot 09:20:14 -43.7 Dark Up 39.7 218.4 Up 09:05:14 - 09:35:14 2785
SwRI 09:20:14 -43.9 Dark Up 39.8 218.4 Up 09:05:14 - 09:35:14 2779
Henderson 09:20:44 -52.3 Dark Up 47.3 208.5 Up 09:05:44 - 09:35:44 2762
Wildwood 09:20:57 -55.8 Dark Up 50.3 204.5 Up 09:05:57 - 09:35:57 2723
Searchlight/Boulder City 09:20:44 -52.6 Dark Up 47.7 208.9 Up 09:05:44 - 09:35:44 2709
Laughlin/Bullhead City 09:20:43 -52.6 Dark Up 47.9 209.5 Up 09:05:43 - 09:35:43 2670
Patrick 09:20:41 -52.0 Dark Up 47.4 210.3 Up 09:05:41 - 09:35:41 2666
Kingman/Dolan Springs 09:20:42 -52.2 Dark Up 47.6 210.2 Up 09:05:42 - 09:35:42 2653
Mohave Valley 09:20:44 -52.7 Dark Up 48.1 209.7 Up 09:05:44 - 09:35:44 2645
Idyllwild 09:20:51 -54.8 Dark Up 50.0 207.4 Up 09:05:51 - 09:35:51 2622
DCO 09:20:39 -51.7 Dark Up 47.3 211.5 Up 09:05:39 - 09:35:39 2613
Lake Havasu City 09:20:43 -52.8 Dark Up 48.3 210.2 Up 09:05:43 - 09:35:43 2601
Parker 09:20:43 -53.0 Dark Up 48.6 210.5 Up 09:05:43 - 09:35:43 2568
Blythe 09:20:45 -53.5 Dark Up 49.2 210.4 Up 09:05:45 - 09:35:45 2532
Calipatria 09:20:48 -54.4 Dark Up 50.0 209.4 Up 09:05:48 - 09:35:48 2522
Yuma 09:20:45 -54.1 Dark Up 50.0 210.9 Up 09:05:45 - 09:35:45 2450
George/Scottsdale 09:20:36 -51.6 Dark Up 47.9 214.0 Up 09:05:36 - 09:35:36 2441

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 09:23UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  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 2020/03/14 22:03:01 UT

Marc W. Buie, Southwest Research Institute

RECON