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 02:05:36.2 -02:46:33
Stellar brightness G=14.7, use SENSEUP=128
Star is 72 degrees from the moon. Moon is 63% illuminated.
TNO apparent brightness V=23.0

[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=9.0
Diameter=94.2 km assuming a 5% albedo -- 3.8 sec chord
Diameter=38.5 km assuming a 30% albedo -- 1.6 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 -02:52:30  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 16.5 km RECON observability=1.0 and success probability=11.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:20:50 -44.3 Dark Up 35.8 198.0 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
Okanagan Falls 09:20:50 -44.8 Dark Up 36.3 197.9 Up 09:05:50 - 09:35:50 3973
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 3943
Oroville 09:20:50 -45.1 Dark Up 36.7 198.2 Up 09:05:50 - 09:35:50 3940
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 3903
Brewster 09:20:52 -45.9 Dark Up 37.6 197.9 Up 09:05:52 - 09:35:52 3890
Manson/Chelan 09:20:52 -46.2 Dark Up 37.8 197.5 Up 09:05:52 - 09:35:52 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 3833
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 09:20:50 -47.1 Dark Up 39.2 199.2 Up 09:05:50 - 09:35:50 3734
George/Umatilla 09:20:51 -47.5 Dark Up 39.5 199.0 Up 09:05:51 - 09:35:51 3716
Maupin 09:20:57 -48.8 Dark Up 40.6 197.1 Up 09:05:57 - 09:35:57 3715
PNWRO 09:20:50 -47.2 Dark Up 39.3 199.6 Up 09:05:50 - 09:35:50 3708
Madras/Culver 09:20:57 -49.3 Dark Up 41.1 197.1 Up 09:05:57 - 09:35:57 3675
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 3638
Oregon Observatory 09:20:58 -50.0 Dark Up 41.9 196.9 Up 09:05:58 - 09:35:58 3629
La Pine/Gilchrist 09:20:59 -50.2 Dark Up 42.1 196.9 Up 09:05:59 - 09:35:59 3615
North Lake 09:20:57 -50.3 Dark Up 42.4 197.8 Up 09:05:57 - 09:35:57 3562
Chiloquin 09:21:01 -51.2 Dark Up 43.3 196.7 Up 09:06:01 - 09:36:01 3541
Klamath Falls 09:21:01 -51.5 Dark Up 43.6 196.9 Up 09:06:01 - 09:36:01 3512
Paisley 09:20:57 -50.6 Dark Up 42.9 198.4 Up 09:05:57 - 09:35:57 3507
Tulelake 09:20:59 -51.6 Dark Up 43.8 197.4 Up 09:05:59 - 09:35:59 3481
Lakeview 09:20:56 -50.9 Dark Up 43.3 198.8 Up 09:05:56 - 09:35:56 3461
Fall River/Burney 09:21:00 -52.2 Dark Up 44.6 197.8 Up 09:06:00 - 09:36:00 3406
Cedarville 09:20:56 -51.3 Dark Up 43.9 199.3 Up 09:05:56 - 09:35:56 3403
Susanville 09:20:58 -52.4 Dark Up 45.0 199.0 Up 09:05:58 - 09:35:58 3330
Greenville 09:20:59 -52.7 Dark Up 45.4 198.7 Up 09:05:59 - 09:35:59 3318
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 3301
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 3230
Carson City 09:20:57 -52.9 Dark Up 46.0 200.6 Up 09:05:57 - 09:35:57 3200
Gardnerville 09:20:57 -53.0 Dark Up 46.2 200.7 Up 09:05:57 - 09:35:57 3178
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 3104
Lee Vining 09:20:55 -53.4 Dark Up 46.9 202.0 Up 09:05:55 - 09:35:55 3074
Tonopah 09:20:49 -52.3 Dark Up 46.2 204.5 Up 09:05:49 - 09:35:49 3015
Bishop 09:20:54 -53.4 Dark Up 47.3 203.2 Up 09:05:54 - 09:35:54 2998
Lone Pine 09:20:53 -53.8 Dark Up 47.8 204.0 Up 09:05:53 - 09:35:53 2921
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 2784
SwRI 09:20:14 -43.9 Dark Up 39.8 218.4 Up 09:05:14 - 09:35:14 2778
Henderson 09:20:44 -52.3 Dark Up 47.3 208.5 Up 09:05:44 - 09:35:44 2761
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 2621
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

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 2019/06/08 04:15:38 UT

Marc W. Buie, Southwest Research Institute

RECON