RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA0980:03195944 with event index number of 1771736

Geocentric closest approach at 2027/11/13 12:13:09 UTC

J2000 position of star is 07:55:16.7 +09:02:46
Equinox of date position of star is 07:56:24.0 +08:59:26
Stellar brightness G=15.1, use SENSEUP=128
Star is 78 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 21.7 AU from the Sun and 21.3 AU from the Earth.
The TNO is moving 8.4 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 295 seconds.
The 1-sigma cross-track error in the shadow position is 2845 km.
The sky-plane scale is 15469.8 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=71.1 km assuming a 5% albedo -- 7.2 sec chord
Diameter=29.0 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2027/11/13 12:13UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:01.4 +27:57:24  1.1 19.12  70
PPM 153569     07:57:02.2 +08:47:12  6.1  0.19  78
PPM 153576     07:57:17.8 +09:06:02  9.4  0.18  78
PPM 153580     07:57:26.8 +08:55:04 10.2  0.17  78
11UQ62         07:56:47.5 +08:58:15 15.1        78
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 3.0 sigma about the mid-time.
The median site spacing is 14.9 km RECON observability=1.0 and success probability=9.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 12:08:38 -31.4 Dark Up 50.0 168.1 Up 11:53:38 - 12:23:38 5232
Clarence Fulton 12:07:59 -28.6 Dark Up 48.7 174.4 Up 11:52:59 - 12:22:59 5125
Peachland 12:08:05 -28.9 Dark Up 49.1 173.7 Up 11:53:05 - 12:23:05 5119
Kelowna 12:08:04 -28.7 Dark Up 49.1 174.1 Up 11:53:04 - 12:23:04 5111
Summerland 12:08:08 -28.9 Dark Up 49.3 173.8 Up 11:53:08 - 12:23:08 5106
Penticton 12:08:11 -28.8 Dark Up 49.4 174.0 Up 11:53:11 - 12:23:11 5096
Oliver 12:08:09 -28.8 Dark Up 49.7 173.9 Up 11:53:09 - 12:23:09 5076
Anarchist Mountain Observatory 12:08:08 -28.7 Dark Up 49.9 174.2 Up 11:53:08 - 12:23:08 5056
Tonasket 12:08:12 -28.8 Dark Up 50.2 174.1 Up 11:53:12 - 12:23:12 5041
Manson/Chelan 12:08:24 -29.3 Dark Up 51.0 172.9 Up 11:53:24 - 12:23:24 5030
Okanogan 12:08:15 -28.9 Dark Up 50.5 173.8 Up 11:53:15 - 12:23:15 5029
Brewster 12:08:20 -29.1 Dark Up 50.8 173.5 Up 11:53:20 - 12:23:20 5023
Entiat 12:08:27 -29.4 Dark Up 51.2 172.8 Up 11:53:27 - 12:23:27 5020
Wenatchee 12:08:29 -29.5 Dark Up 51.4 172.6 Up 11:53:29 - 12:23:29 5011
Ellensburg 12:08:33 -29.6 Dark Up 51.8 172.2 Up 11:53:33 - 12:23:33 4997
Yakima 12:08:39 -29.7 Dark Up 52.2 172.2 Up 11:53:39 - 12:23:39 4974
Toppenish/White Swan 12:08:36 -29.6 Dark Up 52.5 172.4 Up 11:53:36 - 12:23:36 4952
The Dalles 12:08:50 -30.1 Dark Up 53.2 171.1 Up 11:53:50 - 12:23:50 4947
Goldendale 12:08:47 -29.9 Dark Up 53.0 171.7 Up 11:53:47 - 12:23:47 4941
Maupin 12:08:51 -30.1 Dark Up 53.6 171.2 Up 11:53:51 - 12:23:51 4916
Sisters 12:09:04 -30.5 Dark Up 54.4 170.2 Up 11:54:04 - 12:24:04 4889
Pasco 12:08:31 -28.7 Dark Up 52.7 174.4 Up 11:53:31 - 12:23:31 4878
Redmond 12:08:59 -30.2 Dark Up 54.5 170.9 Up 11:53:59 - 12:23:59 4866
Bend 12:09:04 -30.3 Dark Up 54.7 170.6 Up 11:54:04 - 12:24:04 4860
Oregon Observatory 12:09:05 -30.4 Dark Up 54.8 170.4 Up 11:54:05 - 12:24:05 4857
PNWRO 12:08:31 -28.6 Dark Up 52.9 174.8 Up 11:53:31 - 12:23:31 4850
La Pine/Gilchrist 12:09:05 -30.5 Dark Up 55.0 170.2 Up 11:54:05 - 12:24:05 4847
North Lake 12:09:08 -30.0 Dark Up 55.5 171.2 Up 11:54:08 - 12:24:08 4787
Klamath Falls 12:09:18 -30.7 Dark Up 56.4 169.4 Up 11:54:18 - 12:24:18 4772
Paisley 12:09:08 -29.8 Dark Up 56.1 171.7 Up 11:54:08 - 12:24:08 4732
Lakeview 12:09:11 -29.7 Dark Up 56.6 171.9 Up 11:54:11 - 12:24:11 4689
Fall River/Burney 12:09:29 -30.5 Dark Up 57.6 169.9 Up 11:54:29 - 12:24:29 4674
Cedarville 12:09:11 -29.6 Dark Up 57.3 172.1 Up 11:54:11 - 12:24:11 4636
Susanville 12:09:26 -29.9 Dark Up 58.4 171.1 Up 11:54:26 - 12:24:26 4591
Greenville 12:09:32 -30.1 Dark Up 58.6 170.5 Up 11:54:32 - 12:24:32 4590
Gimple 12:09:31 -30.1 Dark Up 58.6 170.6 Up 11:54:31 - 12:24:31 4584
Quincy 12:09:32 -30.1 Dark Up 58.8 170.4 Up 11:54:32 - 12:24:32 4576
Portola 12:09:30 -29.8 Dark Up 59.0 171.3 Up 11:54:30 - 12:24:30 4540
Reno 12:09:28 -29.3 Dark Up 59.3 172.5 Up 11:54:28 - 12:24:28 4484
Carson City 12:09:29 -29.3 Dark Up 59.7 172.4 Up 11:54:29 - 12:24:29 4459
Gardnerville 12:09:32 -29.2 Dark Up 59.9 172.5 Up 11:54:32 - 12:24:32 4439
Yerington 12:09:27 -28.8 Dark Up 59.9 173.6 Up 11:54:27 - 12:24:27 4408
Hawthorne 12:09:29 -28.3 Dark Up 60.4 174.6 Up 11:54:29 - 12:24:29 4345
Lee Vining 12:09:36 -28.7 Dark Up 60.9 173.6 Up 11:54:36 - 12:24:36 4335
Bishop 12:09:35 -28.1 Dark Up 61.6 174.9 Up 11:54:35 - 12:24:35 4250
CPSLO 12:10:09 -29.8 Dark Up 63.4 169.9 Up 11:55:09 - 12:25:09 4244
Tonopah 12:09:20 -27.3 Dark Up 61.0 177.3 Up 11:54:20 - 12:24:20 4229
Beatty 12:09:27 -26.8 Dark Up 62.1 178.2 Up 11:54:27 - 12:24:27 4119
Indian Springs 12:09:19 -26.0 Dark Up 62.5 180.5 Up 11:54:19 - 12:24:19 4031
Wildwood 12:10:01 -28.0 Dark Up 64.8 174.1 Up 11:55:01 - 12:25:01 4030
Henderson 12:09:18 -25.4 Dark Up 63.0 182.0 Up 11:54:18 - 12:24:18 3949
Searchlight/Boulder City 12:09:23 -25.2 Dark Up 63.6 182.2 Up 11:54:23 - 12:24:23 3903
Idyllwild 12:09:51 -26.5 Dark Up 65.3 178.4 Up 11:54:51 - 12:24:51 3886
Laughlin/Bullhead City 12:09:23 -24.9 Dark Up 63.8 183.0 Up 11:54:23 - 12:24:23 3860
Mohave Valley 12:09:26 -24.9 Dark Up 64.1 183.1 Up 11:54:26 - 12:24:26 3839
Patrick 12:09:17 -24.4 Dark Up 63.6 184.5 Up 11:54:17 - 12:24:17 3835
Kingman/Dolan Springs 12:09:17 -24.5 Dark Up 63.8 184.1 Up 11:54:17 - 12:24:17 3830
Lake Havasu City 12:09:26 -24.7 Dark Up 64.5 183.7 Up 11:54:26 - 12:24:26 3794
DCO 12:09:11 -23.8 Dark Up 63.8 186.1 Up 11:54:11 - 12:24:11 3769
Calipatria 12:09:48 -25.5 Dark Up 65.9 181.2 Up 11:54:48 - 12:24:48 3766
Parker 12:09:27 -24.6 Dark Up 64.9 183.8 Up 11:54:27 - 12:24:27 3766
Blythe 12:09:34 -24.8 Dark Up 65.4 183.3 Up 11:54:34 - 12:24:34 3744
Niwot 12:07:35 -18.5 Dark Up 57.6 199.2 Up 11:52:35 - 12:22:35 3691
SwRI 12:07:37 -18.5 Dark Up 57.7 199.1 Up 11:52:37 - 12:22:37 3688
Yuma 12:09:41 -24.7 Dark Up 66.3 183.3 Up 11:54:41 - 12:24:41 3677
George/Scottsdale 12:09:12 -22.6 Dark Up 65.1 189.4 Up 11:54:12 - 12:24:12 3583

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 11UQ62, (2027/11/13 12:13UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 19.12  70
PPM 153569     07:55:31.4 +08:51:44  6.1  0.19  78
PPM 153576     07:55:46.9 +09:10:34  9.4  0.18  78
PPM 153580     07:55:56.0 +08:59:36 10.2  0.17  78
11UQ62         07:55:16.7 +09:02:46 15.1        78
Positions are for J2000

Event circumstances last updated at 2020/08/17 20:06:11 UT

Marc W. Buie, Southwest Research Institute

RECON