RECON: TNO occultation with 03UZ291

Event between 03UZ291 and star GA1080:00736635 with event index number of 229276

Geocentric closest approach at 2019/12/05 03:19:58 UTC

J2000 position of star is 04:55:15.1 +19:56:50
Equinox of date position of star is 04:56:20.4 +19:58:32
Stellar brightness G=16.8, use SENSEUP=128
Star is 83 degrees from the moon. Moon is 58% illuminated.
TNO apparent brightness V=23.8

[RECON map]
TNO is 46.2 AU from the Sun and 45.2 AU from the Earth.
The TNO is moving 25.9 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 577 seconds.
The 1-sigma cross-track error in the shadow position is 5573 km.
The sky-plane scale is 32799.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=222.9 km assuming a 5% albedo -- 8.6 sec chord
Diameter=91.0 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03UZ291, (2019/12/05 03:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.0 +16:32:52  0.8  5.73  78
Alnath         05:27:33.2 +28:37:21  1.6 11.17  91
97 Tau         04:52:32.5 +18:52:20  5.1  1.44  82
PPM 120385     04:56:08.8 +19:30:58  7.2  0.47  83
PPM 093896     04:56:52.5 +20:01:50  9.2  0.12  83
03UZ291        04:56:25.6 +19:58:40 16.8        83
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 1.6 sigma about the mid-time.
The median site spacing is 19.5 km RECON observability=1.0 and success probability=2.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 03:25:18 -32.3 Dark Up 29.0 92.7 Low 03:10:18 - 03:40:18 13903
Oroville 03:25:20 -32.4 Dark Up 29.1 92.5 Low 03:10:20 - 03:40:20 13859
Tonasket 03:25:21 -32.5 Dark Up 29.1 92.4 Low 03:10:21 - 03:40:21 13843
Okanogan 03:25:23 -32.4 Dark Up 29.0 92.1 Low 03:10:23 - 03:40:23 13823
Brewster 03:25:24 -32.3 Dark Up 28.9 91.8 Low 03:10:24 - 03:40:24 13810
Manson/Chelan 03:25:25 -32.0 Dark Up 28.6 91.4 Low 03:10:25 - 03:40:25 13805
Entiat 03:25:26 -32.0 Dark Up 28.6 91.2 Low 03:10:26 - 03:40:26 13791
Wenatchee 03:25:26 -31.9 Dark Up 28.5 91.0 Low 03:10:26 - 03:40:26 13776
Ellensburg 03:25:28 -31.8 Dark Up 28.4 90.6 Low 03:10:28 - 03:40:28 13753
Yakima 03:25:30 -31.8 Dark Up 28.4 90.4 Low 03:10:30 - 03:40:30 13724
Toppenish/White Swan 03:25:30 -31.9 Dark Up 28.5 90.4 Low 03:10:30 - 03:40:30 13704
Goldendale 03:25:31 -31.6 Dark Up 28.2 89.8 Low 03:10:31 - 03:40:31 13676
The Dalles 03:25:34 -31.4 Dark Up 28.0 89.4 Low 03:10:34 - 03:40:34 13670
Pasco 03:25:29 -32.8 Dark Up 29.4 91.3 Low 03:10:29 - 03:40:29 13660
George/Umatilla 03:25:30 -32.6 Dark Up 29.3 90.9 Low 03:10:30 - 03:40:30 13641
Maupin 03:25:34 -31.4 Dark Up 28.0 89.3 Low 03:10:34 - 03:40:34 13636
PNWRO 03:25:31 -32.9 Dark Up 29.6 91.3 Low 03:10:31 - 03:40:31 13635
Madras/Culver 03:25:37 -31.4 Dark Up 28.0 89.0 Low 03:10:37 - 03:40:37 13597
Sisters 03:25:38 -31.1 Dark Up 27.7 88.5 Low 03:10:38 - 03:40:38 13585
Redmond 03:25:38 -31.3 Dark Up 28.0 88.8 Low 03:10:38 - 03:40:38 13572
Bend 03:25:39 -31.2 Dark Up 27.9 88.6 Low 03:10:39 - 03:40:39 13560
Oregon Observatory 03:25:38 -31.1 Dark Up 27.8 88.4 Low 03:10:38 - 03:40:38 13551
La Pine/Gilchrist 03:25:40 -31.1 Dark Up 27.7 88.2 Low 03:10:40 - 03:40:40 13537
North Lake 03:25:40 -31.5 Dark Up 28.2 88.4 Low 03:10:40 - 03:40:40 13487
Chiloquin 03:25:42 -30.8 Dark Up 27.4 87.4 Low 03:10:42 - 03:40:42 13464
Klamath Falls 03:25:44 -30.8 Dark Up 27.5 87.3 Low 03:10:44 - 03:40:44 13435
Paisley 03:25:42 -31.8 Dark Up 28.4 88.4 Low 03:10:42 - 03:40:42 13434
Tulelake 03:25:45 -31.1 Dark Up 27.7 87.4 Low 03:10:45 - 03:40:45 13405
Lakeview 03:25:43 -31.9 Dark Up 28.5 88.2 Low 03:10:43 - 03:40:43 13389
Cedarville 03:25:46 -32.0 Dark Up 28.7 88.0 Low 03:10:46 - 03:40:46 13333
Fall River/Burney 03:25:47 -31.1 Dark Up 27.7 86.9 Low 03:10:47 - 03:40:47 13332
Susanville 03:25:49 -31.6 Dark Up 28.3 87.1 Low 03:10:49 - 03:40:49 13260
Greenville 03:25:50 -31.4 Dark Up 28.0 86.7 Low 03:10:50 - 03:40:50 13247
Gimple 03:25:50 -31.4 Dark Up 28.1 86.8 Low 03:10:50 - 03:40:50 13244
Quincy 03:25:51 -31.3 Dark Up 28.0 86.6 Low 03:10:51 - 03:40:51 13231
Portola 03:25:50 -31.7 Dark Up 28.4 86.9 Low 03:10:50 - 03:40:50 13206
Reno 03:25:51 -32.2 Dark Up 28.9 87.1 Low 03:10:51 - 03:40:51 13165
Carson City 03:25:51 -32.2 Dark Up 28.9 86.9 Low 03:10:51 - 03:40:51 13135
Gardnerville 03:25:52 -32.2 Dark Up 28.9 86.8 Low 03:10:52 - 03:40:52 13114
Yerington 03:25:51 -32.7 Dark Up 29.3 87.2 Low 03:10:51 - 03:40:51 13099
Hawthorne 03:25:52 -33.0 Dark Up 29.7 87.3 Low 03:10:52 - 03:40:52 13045
Lee Vining 03:25:55 -32.6 Dark Up 29.3 86.7 Low 03:10:55 - 03:40:55 13013
Tonopah 03:25:52 -34.1 Dark Up 30.8 87.9 Up 03:10:52 - 03:40:52 12961
Bishop 03:25:56 -33.2 Dark Up 29.9 86.8 Low 03:10:56 - 03:40:56 12941
Lone Pine 03:25:57 -33.4 Dark Up 30.1 86.5 Up 03:10:57 - 03:40:57 12866
Beatty 03:25:55 -34.4 Dark Up 31.1 87.4 Up 03:10:55 - 03:40:55 12849
CPSLO 03:26:04 -31.2 Dark Up 27.9 84.4 Low 03:11:04 - 03:41:04 12840
Indian Springs 03:25:55 -35.3 Dark Up 32.0 87.9 Up 03:10:55 - 03:40:55 12787
Niwot 03:25:28 -43.3 Dark Up 40.0 97.2 Up 03:10:28 - 03:40:28 12767
Henderson 03:25:55 -35.8 Dark Up 32.5 87.9 Up 03:10:55 - 03:40:55 12719
Wildwood 03:26:04 -32.7 Dark Up 29.5 84.8 Low 03:11:04 - 03:41:04 12668
Searchlight/Boulder City 03:25:56 -35.8 Dark Up 32.6 87.6 Up 03:10:56 - 03:40:56 12667
Laughlin/Bullhead City 03:25:57 -36.1 Dark Up 32.8 87.6 Up 03:10:57 - 03:40:57 12630
Patrick 03:25:55 -36.7 Dark Up 33.4 88.2 Up 03:10:55 - 03:40:55 12628
Kingman/Dolan Springs 03:25:56 -36.5 Dark Up 33.3 87.9 Up 03:10:56 - 03:40:56 12615
Mohave Valley 03:25:57 -36.1 Dark Up 32.8 87.4 Up 03:10:57 - 03:40:57 12606
DCO 03:25:55 -37.3 Dark Up 34.0 88.3 Up 03:10:55 - 03:40:55 12578
Idyllwild 03:26:03 -34.3 Dark Up 31.0 85.6 Up 03:11:03 - 03:41:03 12574
Lake Havasu City 03:25:58 -36.3 Dark Up 33.0 87.3 Up 03:10:58 - 03:40:58 12562
Parker 03:25:58 -36.3 Dark Up 33.0 87.1 Up 03:10:58 - 03:40:58 12530
Blythe 03:26:01 -36.0 Dark Up 32.8 86.6 Up 03:11:01 - 03:41:01 12493
Calipatria 03:26:03 -35.2 Dark Up 32.0 85.8 Up 03:11:03 - 03:41:03 12481
Yuma 03:26:03 -35.9 Dark Up 32.7 86.0 Up 03:11:03 - 03:41:03 12412

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, (2019/12/05 03:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  5.73  78
Alnath         05:26:17.5 +28:36:23  1.6 11.17  91
97 Tau         04:51:22.6 +18:50:23  5.1  1.44  82
PPM 120385     04:54:58.5 +19:29:07  7.2  0.47  83
PPM 093896     04:55:41.9 +20:00:01  9.2  0.12  83
03UZ291        04:55:15.1 +19:56:50 16.8        83
Positions are for J2000

Event circumstances last updated at 2018/06/12 07:52:31 UT

Marc W. Buie, Southwest Research Institute

RECON