RECON: TNO occultation with 03UZ291

Event between 03UZ291 and star GA1100:00878079 with event index number of 1073751

Geocentric closest approach at 2021/12/02 06:55:51 UTC

J2000 position of star is 05:05:14.5 +20:00:12
Equinox of date position of star is 05:06:26.2 +20:01:47
Stellar brightness G=14.4, use SENSEUP=128
Star is 145 degrees from the moon. Moon is 6% illuminated.
TNO apparent brightness V=26.6

[RECON map]
TNO is 46.0 AU from the Sun and 45.0 AU from the Earth.
The TNO is moving 25.7 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 529 seconds.
The 1-sigma cross-track error in the shadow position is 1967 km.
The sky-plane scale is 32634.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=222.9 km assuming a 5% albedo -- 2.3 sec chord
Diameter=91.0 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03UZ291, (2021/12/02 06:56UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:10.9 +16:33:06  0.8  7.79 152
Alnath         05:27:40.8 +28:37:26  1.6  9.85 138
104 Tau        05:08:44.8 +18:40:22  5.6  1.46 144
PPM 120582     05:06:49.7 +19:50:06  6.7  0.21 144
PPM 094056     05:07:09.3 +20:06:23 10.7  0.16 144
03UZ291        05:06:32.3 +20:01:55 14.4       144
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 1.7 sigma about the mid-time.
The median site spacing is 23.3 km RECON observability=1.0 and success probability=24.3%
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 06:56:33 -60.1 Dark Down 55.8 144.9 Up 06:41:33 - 07:11:33 1786
Kelowna 06:56:34 -60.4 Dark Down 56.1 144.3 Up 06:41:34 - 07:11:34 1753
Peachland 06:56:35 -60.4 Dark Down 56.0 143.7 Up 06:41:35 - 07:11:35 1748
Summerland 06:56:35 -60.6 Dark Down 56.2 143.8 Up 06:41:35 - 07:11:35 1733
Penticton 06:56:35 -60.7 Dark Down 56.3 143.9 Up 06:41:35 - 07:11:35 1725
Victoria 06:56:46 -60.4 Dark Down 55.5 137.2 Up 06:41:46 - 07:11:46 1698
Oliver 06:56:35 -61.0 Dark Down 56.6 143.6 Up 06:41:35 - 07:11:35 1693
Anarchist Mountain Observatory 06:56:35 -61.2 Dark Down 56.8 143.7 Up 06:41:35 - 07:11:35 1675
Tonasket 06:56:36 -61.5 Dark Down 57.0 143.3 Up 06:41:36 - 07:11:36 1647
Okanogan 06:56:37 -61.7 Dark Down 57.2 142.8 Up 06:41:37 - 07:11:37 1619
Brewster 06:56:37 -61.9 Dark Down 57.4 142.2 Up 06:41:37 - 07:11:37 1597
Manson/Chelan 06:56:39 -62.0 Dark Down 57.4 141.4 Up 06:41:39 - 07:11:39 1584
Entiat 06:56:39 -62.2 Dark Down 57.5 141.1 Up 06:41:39 - 07:11:39 1564
Wenatchee 06:56:40 -62.4 Dark Down 57.7 140.7 Up 06:41:40 - 07:11:40 1543
Ellensburg 06:56:41 -62.7 Dark Down 57.9 139.9 Up 06:41:41 - 07:11:41 1508
Yakima 06:56:42 -63.0 Dark Down 58.2 139.5 Up 06:41:42 - 07:11:42 1470
Toppenish/White Swan 06:56:42 -63.3 Dark Down 58.4 139.5 Up 06:41:42 - 07:11:42 1447
Pasco 06:56:39 -63.8 Dark Down 59.1 141.4 Up 06:41:39 - 07:11:39 1414
Goldendale 06:56:44 -63.6 Dark Down 58.7 138.3 Up 06:41:44 - 07:11:44 1402
The Dalles 06:56:45 -63.7 Dark Down 58.7 137.5 Up 06:41:45 - 07:11:45 1388
PNWRO 06:56:38 -64.1 Dark Down 59.4 141.5 Up 06:41:38 - 07:11:38 1386
Maupin 06:56:46 -64.0 Dark Down 59.0 137.2 Up 06:41:46 - 07:11:46 1346
Sisters 06:56:48 -64.6 Dark Down 59.4 135.4 Up 06:41:48 - 07:11:48 1272
Redmond 06:56:47 -64.8 Dark Down 59.6 136.0 Up 06:41:47 - 07:11:47 1262
Bend 06:56:48 -64.9 Dark Down 59.7 135.5 Up 06:41:48 - 07:11:48 1244
Oregon Observatory 06:56:49 -65.0 Dark Down 59.8 135.1 Up 06:41:49 - 07:11:49 1230
La Pine/Gilchrist 06:56:49 -65.2 Dark Down 59.9 134.8 Up 06:41:49 - 07:11:49 1212
North Lake 06:56:48 -65.8 Dark Down 60.5 135.2 Up 06:41:48 - 07:11:48 1159
Paisley 06:56:48 -66.4 Dark Down 61.1 135.1 Up 06:41:48 - 07:11:48 1099
Klamath Falls 06:56:52 -66.2 Dark Down 60.8 132.5 Up 06:41:52 - 07:11:52 1076
Lakeview 06:56:48 -66.9 Dark Down 61.6 134.7 Up 06:41:48 - 07:11:48 1046
Cedarville 06:56:49 -67.5 Dark Down 62.1 134.1 Up 06:41:49 - 07:11:49 978
Fall River/Burney 06:56:53 -67.4 Dark Down 61.8 131.5 Up 06:41:53 - 07:11:53 954
Susanville 06:56:51 -68.2 Dark Down 62.6 131.8 Up 06:41:51 - 07:11:51 877
Greenville 06:56:53 -68.3 Dark Down 62.6 130.9 Up 06:41:53 - 07:11:53 856
Gimple 06:56:53 -68.3 Dark Down 62.7 131.1 Up 06:41:53 - 07:11:53 854
Quincy 06:56:53 -68.4 Dark Down 62.8 130.7 Up 06:41:53 - 07:11:53 836
Portola 06:56:52 -68.8 Dark Down 63.1 131.2 Up 06:41:52 - 07:11:52 814
Reno 06:56:50 -69.3 Dark Down 63.7 131.9 Up 06:41:50 - 07:11:50 775
Carson City 06:56:51 -69.6 Dark Down 63.9 131.4 Up 06:41:51 - 07:11:51 739
Gardnerville 06:56:51 -69.8 Dark Down 64.1 131.1 Up 06:41:51 - 07:11:51 713
Yerington 06:56:49 -70.0 Dark Down 64.4 132.2 Up 06:41:49 - 07:11:49 707
Hawthorne 06:56:48 -70.6 Dark Down 65.0 132.4 Up 06:41:48 - 07:11:48 650
Lee Vining 06:56:50 -70.9 Dark Down 65.1 130.6 Up 06:41:50 - 07:11:50 603
Niwot 06:56:04 -71.8 Dark Down 69.2 163.6 Up 06:41:04 - 07:11:04 598
SwRI 06:56:04 -71.9 Dark Down 69.3 163.3 Up 06:41:04 - 07:11:04 589
Tonopah 06:56:44 -71.6 Dark Down 66.1 134.1 Up 06:41:44 - 07:11:44 576
Bishop 06:56:49 -71.7 Dark Down 65.9 130.9 Up 06:41:49 - 07:11:49 528
Beatty 06:56:44 -72.8 Dark Down 67.2 133.0 Up 06:41:44 - 07:11:44 450
Indian Springs 06:56:41 -73.5 Dark Down 68.0 134.5 Up 06:41:41 - 07:11:41 397
CPSLO 06:56:59 -72.1 Dark Down 65.8 123.5 Up 06:41:59 - 07:11:59 363
Henderson 06:56:39 -74.3 Dark Down 68.8 135.0 Up 06:41:39 - 07:11:39 329
Searchlight/Boulder City 06:56:40 -74.8 Dark Down 69.3 134.0 Up 06:41:40 - 07:11:40 268
Patrick 06:56:36 -75.2 Dark Down 69.9 136.2 Up 06:41:36 - 07:11:36 244
Laughlin/Bullhead City 06:56:39 -75.2 Dark Down 69.7 134.2 Up 06:41:39 - 07:11:39 231
Kingman/Dolan Springs 06:56:37 -75.4 Dark Down 69.9 135.3 Up 06:41:37 - 07:11:37 224
Mohave Valley 06:56:39 -75.4 Dark Down 69.9 133.7 Up 06:41:39 - 07:11:39 203
DCO 06:56:34 -75.8 Dark Down 70.5 137.1 Up 06:41:34 - 07:11:34 200
Wildwood 06:56:54 -74.1 Dark Down 67.8 124.5 Up 06:41:54 - 07:11:54 197
Lake Havasu City 06:56:39 -75.9 Dark Down 70.3 133.4 Up 06:41:39 - 07:11:39 157
Idyllwild 06:56:48 -75.4 Dark Down 69.3 127.1 Up 06:41:48 - 07:11:48 122
Parker 06:56:39 -76.2 Dark Down 70.5 132.7 Up 06:41:39 - 07:11:39 119
Blythe 06:56:41 -76.5 Dark Down 70.7 131.0 Up 06:41:41 - 07:11:41 70
Calipatria 06:56:44 -76.5 Dark Down 70.4 128.0 Up 06:41:44 - 07:11:44 36
George/Scottsdale 06:56:31 -77.5 Dark Down 72.3 137.4 Up 06:41:31 - 07:11:31 32
Yuma 06:56:42 -77.3 Dark Down 71.3 128.9 Up 06:41:42 - 07:11:42 -26

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 03UZ291, (2021/12/02 06:56UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  7.79 152
Alnath         05:26:17.5 +28:36:23  1.6  9.85 138
104 Tau        05:07:27.7 +18:38:43  5.6  1.46 144
PPM 120582     05:05:32.1 +19:48:24  6.7  0.21 144
PPM 094056     05:05:51.5 +20:04:41 10.7  0.16 144
03UZ291        05:05:14.5 +20:00:12 14.4       145
Positions are for J2000

Event circumstances last updated at 2020/03/08 22:58:19 UT

Marc W. Buie, Southwest Research Institute

RECON