RECON: TNO occultation with 11UD63

Event between 11UD63 and star GA1180:01661697 with event index number of 1654337

Geocentric closest approach at 2027/01/13 05:45:13 UTC

J2000 position of star is 05:39:31.1 +29:24:47
Equinox of date position of star is 05:40:50.8 +29:25:23
Stellar brightness G=14.0, use SENSEUP=64
Star is 93 degrees from the moon. Moon is 24% illuminated.
TNO apparent brightness V=21.6

[RECON map]
TNO is 14.1 AU from the Sun and 13.3 AU from the Earth.
The TNO is moving 19.3 km/sec on the sky relative to the star, or, 7.2 arcsec/hr.
The 1-sigma error in the time of the event is 286 seconds.
The 1-sigma cross-track error in the shadow position is 1066 km.
The sky-plane scale is 9619.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=106.2 km assuming a 5% albedo -- 3.1 sec chord
Diameter=43.3 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UD63, (2027/01/13 05:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.5 +16:33:42  0.8 19.47  78
Alnath         05:28:00.2 +28:37:40  1.6  3.00  90
PPM 094619     05:41:01.5 +29:13:41  5.9  0.20  93
PPM 094672     05:43:05.0 +29:30:21  7.8  0.41  94
PPM 094619     05:41:01.5 +29:13:41  5.9  0.20  93
PPM 094620     05:41:05.1 +29:32:47 11.2  0.13  93
11UD63         05:41:14.5 +29:25:34 14.0        94
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 3.1 sigma about the mid-time.
The median site spacing is 24.8 km RECON observability=1.0 and success probability=47.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 05:45:14 -50.2 Dark Up 68.8 166.9 Up 05:30:14 - 06:00:14 745
Kelowna 05:45:15 -50.3 Dark Up 69.1 166.3 Up 05:30:15 - 06:00:15 709
Peachland 05:45:17 -50.2 Dark Up 69.2 165.6 Up 05:30:17 - 06:00:17 702
Summerland 05:45:16 -50.4 Dark Up 69.3 165.7 Up 05:30:16 - 06:00:16 685
Penticton 05:45:16 -50.5 Dark Up 69.4 165.9 Up 05:30:16 - 06:00:16 677
Oliver 05:45:16 -50.7 Dark Up 69.8 165.7 Up 05:30:16 - 06:00:16 641
Victoria 05:45:31 -48.8 Dark Up 69.6 155.9 Up 05:30:31 - 06:00:31 640
Anarchist Mountain Observatory 05:45:16 -50.9 Dark Up 70.0 166.1 Up 05:30:16 - 06:00:16 621
Tonasket 05:45:17 -51.0 Dark Up 70.3 165.7 Up 05:30:17 - 06:00:17 590
Okanogan 05:45:18 -51.1 Dark Up 70.6 165.1 Up 05:30:18 - 06:00:18 559
Brewster 05:45:19 -51.1 Dark Up 70.8 164.3 Up 05:30:19 - 06:00:19 534
Manson/Chelan 05:45:20 -51.0 Dark Up 70.9 163.2 Up 05:30:20 - 06:00:20 519
Entiat 05:45:21 -51.1 Dark Up 71.1 162.9 Up 05:30:21 - 06:00:21 498
Wenatchee 05:45:22 -51.1 Dark Up 71.3 162.4 Up 05:30:22 - 06:00:22 473
Ellensburg 05:45:23 -51.2 Dark Up 71.7 161.4 Up 05:30:23 - 06:00:23 435
Yakima 05:45:24 -51.4 Dark Up 72.1 161.0 Up 05:30:24 - 06:00:24 393
Toppenish/White Swan 05:45:23 -51.6 Dark Up 72.3 161.2 Up 05:30:23 - 06:00:23 368
Pasco 05:45:19 -52.4 Dark Up 72.7 164.7 Up 05:30:19 - 06:00:19 334
Goldendale 05:45:26 -51.6 Dark Up 72.7 159.5 Up 05:30:26 - 06:00:26 319
PNWRO 05:45:18 -52.7 Dark Up 73.0 165.1 Up 05:30:18 - 06:00:18 305
The Dalles 05:45:28 -51.5 Dark Up 72.9 158.2 Up 05:30:28 - 06:00:28 302
Maupin 05:45:28 -51.7 Dark Up 73.3 158.0 Up 05:30:28 - 06:00:28 257
Sisters 05:45:31 -51.8 Dark Up 73.9 155.4 Up 05:30:31 - 06:00:31 175
Redmond 05:45:29 -52.0 Dark Up 74.1 156.6 Up 05:30:29 - 06:00:29 165
Bend 05:45:30 -52.0 Dark Up 74.2 155.8 Up 05:30:30 - 06:00:30 145
Oregon Observatory 05:45:31 -52.0 Dark Up 74.4 155.2 Up 05:30:31 - 06:00:31 130
La Pine/Gilchrist 05:45:32 -52.1 Dark Up 74.5 154.7 Up 05:30:32 - 06:00:32 109
North Lake 05:45:30 -52.6 Dark Up 75.1 155.9 Up 05:30:30 - 06:00:30 53
Paisley 05:45:29 -53.1 Dark Up 75.7 156.2 Up 05:30:29 - 06:00:29 -12
Klamath Falls 05:45:35 -52.5 Dark Up 75.7 151.4 Up 05:30:35 - 06:00:35 -37
Lakeview 05:45:29 -53.4 Dark Up 76.2 156.0 Up 05:30:29 - 06:00:29 -68
Cedarville 05:45:29 -53.8 Dark Up 76.9 155.5 Up 05:30:29 - 06:00:29 -141
Fall River/Burney 05:45:35 -53.1 Dark Up 76.9 150.3 Up 05:30:35 - 06:00:35 -169
Susanville 05:45:33 -53.9 Dark Up 77.7 151.6 Up 05:30:33 - 06:00:33 -249
Greenville 05:45:34 -53.8 Dark Up 77.9 149.9 Up 05:30:34 - 06:00:34 -273
Gimple 05:45:34 -53.8 Dark Up 77.9 150.2 Up 05:30:34 - 06:00:34 -275
Quincy 05:45:34 -53.9 Dark Up 78.0 149.5 Up 05:30:34 - 06:00:34 -294
Portola 05:45:33 -54.2 Dark Up 78.3 151.0 Up 05:30:33 - 06:00:33 -317
Reno 05:45:30 -54.8 Dark Up 78.8 152.9 Up 05:30:30 - 06:00:30 -357
Carson City 05:45:31 -54.9 Dark Up 79.1 152.1 Up 05:30:31 - 06:00:31 -396
Gardnerville 05:45:31 -55.0 Dark Up 79.4 151.7 Up 05:30:31 - 06:00:31 -423
Yerington 05:45:28 -55.5 Dark Up 79.5 154.4 Up 05:30:28 - 06:00:28 -429
Hawthorne 05:45:26 -56.0 Dark Up 80.1 155.7 Up 05:30:26 - 06:00:26 -488
Niwot 05:44:27 -64.1 Dark Down 77.2 215.9 Up 05:29:27 - 05:59:27 -497
SwRI 05:44:27 -64.1 Dark Down 77.3 215.8 Up 05:29:27 - 05:59:27 -507
Lee Vining 05:45:29 -55.8 Dark Up 80.4 151.9 Up 05:30:29 - 06:00:29 -539
Tonopah 05:45:21 -57.2 Dark Down 80.9 161.6 Up 05:30:21 - 06:00:21 -563
Bishop 05:45:27 -56.6 Dark Up 81.2 153.8 Up 05:30:27 - 06:00:27 -617
Beatty 05:45:20 -57.9 Dark Down 82.2 161.7 Up 05:30:20 - 06:00:20 -696
Indian Springs 05:45:16 -58.8 Dark Down 82.7 167.9 Up 05:30:16 - 06:00:16 -750
CPSLO 05:45:40 -55.4 Dark Up 81.9 134.6 Up 05:30:40 - 06:00:40 -794
Henderson 05:45:13 -59.5 Dark Down 83.3 172.0 Up 05:30:13 - 06:00:13 -819
Searchlight/Boulder City 05:45:14 -59.8 Dark Down 83.9 171.7 Up 05:30:14 - 06:00:14 -882
Patrick 05:45:09 -60.6 Dark Down 84.0 180.2 Up 05:30:09 - 06:00:09 -905
Laughlin/Bullhead City 05:45:12 -60.1 Dark Down 84.2 174.2 Up 05:30:12 - 06:00:12 -920
Kingman/Dolan Springs 05:45:10 -60.5 Dark Down 84.2 178.7 Up 05:30:10 - 06:00:10 -926
DCO 05:45:06 -61.2 Dark Down 84.3 186.4 Up 05:30:06 - 06:00:06 -949
Mohave Valley 05:45:12 -60.2 Dark Down 84.5 174.0 Up 05:30:12 - 06:00:12 -950
Wildwood 05:45:32 -57.3 Dark Up 83.9 138.8 Up 05:30:32 - 06:00:32 -965
Lake Havasu City 05:45:12 -60.5 Dark Down 84.9 175.9 Up 05:30:12 - 06:00:12 -997
Parker 05:45:12 -60.7 Dark Down 85.3 176.0 Up 05:30:12 - 06:00:12 -1036
Idyllwild 05:45:24 -58.9 Dark Down 85.1 150.7 Up 05:30:24 - 06:00:24 -1039
Blythe 05:45:14 -60.6 Dark Down 85.8 172.0 Up 05:30:14 - 06:00:14 -1088
George/Scottsdale 05:45:01 -62.7 Dark Down 85.4 202.3 Up 05:30:01 - 06:00:01 -1120
Calipatria 05:45:19 -60.0 Dark Down 86.0 159.5 Up 05:30:19 - 06:00:19 -1126
Yuma 05:45:15 -60.8 Dark Down 86.7 169.3 Up 05:30:15 - 06:00:15 -1189

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 11UD63, (2027/01/13 05:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 19.47  78
Alnath         05:26:17.5 +28:36:23  1.6  3.00  90
PPM 094619     05:39:18.3 +29:12:54  5.9  0.20  93
PPM 094672     05:41:21.5 +29:29:39  7.8  0.41  94
PPM 094619     05:39:18.3 +29:12:54  5.9  0.20  93
PPM 094620     05:39:21.6 +29:32:00 11.2  0.13  93
11UD63         05:39:31.1 +29:24:47 14.0        93
Positions are for J2000

Event circumstances last updated at 2020/10/30 22:58:14 UT

Marc W. Buie, Southwest Research Institute

RECON