RECON: TNO occultation with 03UV292

Event between 03UV292 and star UC4-539-018218 with event index number of 229272

Geocentric closest approach at 2019/12/11 05:35:55 UTC

J2000 position of star is 05:43:28.1 +17:39:52
Equinox of date position of star is 05:44:30.9 +17:40:17
Stellar brightness R=15.4, use SENSEUP=128
Star is 19 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 37.3 AU from the Sun and 36.3 AU from the Earth.
The TNO is moving 25.2 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 961 seconds.
The 1-sigma cross-track error in the shadow position is 4534 km.
The sky-plane scale is 26361.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 8.4 sec chord
Diameter=86.1 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03UV292, (2019/12/11 05:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.1 +07:24:33  0.4 10.65  25
Alnath         05:27:33.3 +28:37:21  1.6 11.63  18
126 Tau        05:42:26.9 +16:32:33  4.6  1.24  19
PPM 121266     05:42:32.3 +17:31:51  8.4  0.52  19
PPM 121304     05:43:58.5 +17:23:50  8.6  0.32  19
03UV292        05:44:37.9 +17:40:20 15.4        20
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 0.9 sigma about the mid-time.
The median site spacing is 20.4 km RECON observability=1.0 and success probability=4.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 05:37:35 -53.1 Dark Up 44.4 118.5 Up 05:22:35 - 05:52:35 8457
Tonasket 05:37:36 -53.2 Dark Up 44.5 118.3 Up 05:22:36 - 05:52:36 8437
Okanogan 05:37:36 -53.3 Dark Up 44.6 117.8 Up 05:22:36 - 05:52:36 8412
Brewster 05:37:37 -53.4 Dark Up 44.6 117.4 Up 05:22:37 - 05:52:37 8392
Manson/Chelan 05:37:39 -53.3 Dark Up 44.5 116.8 Up 05:22:39 - 05:52:39 8382
Entiat 05:37:40 -53.3 Dark Up 44.5 116.6 Up 05:22:40 - 05:52:40 8364
Wenatchee 05:37:40 -53.4 Dark Up 44.6 116.2 Up 05:22:40 - 05:52:40 8344
Ellensburg 05:37:42 -53.5 Dark Up 44.6 115.6 Up 05:22:42 - 05:52:42 8313
Yakima 05:37:43 -53.7 Dark Up 44.8 115.3 Up 05:22:43 - 05:52:43 8278
Toppenish/White Swan 05:37:43 -53.9 Dark Up 45.0 115.3 Up 05:22:43 - 05:52:43 8256
Pasco 05:37:41 -54.7 Dark Up 45.8 116.4 Up 05:22:41 - 05:52:41 8220
Goldendale 05:37:45 -53.9 Dark Up 44.9 114.3 Up 05:22:45 - 05:52:45 8216
The Dalles 05:37:47 -53.8 Dark Up 44.8 113.8 Up 05:22:47 - 05:52:47 8204
George/Umatilla 05:37:42 -54.7 Dark Up 45.8 115.9 Up 05:22:42 - 05:52:42 8195
PNWRO 05:37:41 -55.0 Dark Up 46.1 116.4 Up 05:22:41 - 05:52:41 8194
Maupin 05:37:47 -54.0 Dark Up 45.0 113.5 Up 05:22:47 - 05:52:47 8165
Madras/Culver 05:37:49 -54.2 Dark Up 45.2 112.9 Up 05:22:49 - 05:52:49 8117
Sisters 05:37:50 -54.1 Dark Up 45.1 112.2 Up 05:22:50 - 05:52:50 8097
Redmond 05:37:50 -54.4 Dark Up 45.3 112.6 Up 05:22:50 - 05:52:50 8086
Bend 05:37:50 -54.4 Dark Up 45.3 112.2 Up 05:22:50 - 05:52:50 8070
Oregon Observatory 05:37:51 -54.4 Dark Up 45.3 111.9 Up 05:22:51 - 05:52:51 8057
La Pine/Gilchrist 05:37:52 -54.4 Dark Up 45.4 111.7 Up 05:22:52 - 05:52:52 8040
North Lake 05:37:51 -55.0 Dark Up 45.9 111.9 Up 05:22:51 - 05:52:51 7989
Chiloquin 05:37:55 -54.6 Dark Up 45.5 110.3 Up 05:22:55 - 05:52:55 7948
Paisley 05:37:52 -55.4 Dark Up 46.4 111.7 Up 05:22:52 - 05:52:52 7931
Klamath Falls 05:37:56 -54.8 Dark Up 45.7 110.1 Up 05:22:56 - 05:52:56 7915
Tulelake 05:37:56 -55.1 Dark Up 46.0 110.1 Up 05:22:56 - 05:52:56 7884
Lakeview 05:37:53 -55.8 Dark Up 46.7 111.4 Up 05:22:53 - 05:52:53 7881
Cedarville 05:37:54 -56.2 Dark Up 47.1 110.9 Up 05:22:54 - 05:52:54 7817
Fall River/Burney 05:37:58 -55.5 Dark Up 46.4 109.3 Up 05:22:58 - 05:52:58 7799
Susanville 05:37:57 -56.2 Dark Up 47.1 109.3 Up 05:22:57 - 05:52:57 7724
Greenville 05:37:59 -56.1 Dark Up 47.0 108.8 Up 05:22:59 - 05:52:59 7705
Gimple 05:37:59 -56.2 Dark Up 47.1 108.9 Up 05:22:59 - 05:52:59 7703
Quincy 05:37:59 -56.2 Dark Up 47.1 108.6 Up 05:22:59 - 05:52:59 7686
Portola 05:37:58 -56.6 Dark Up 47.4 108.9 Up 05:22:58 - 05:52:58 7664
Reno 05:37:57 -57.1 Dark Up 48.0 109.2 Up 05:22:57 - 05:52:57 7625
Carson City 05:37:58 -57.3 Dark Up 48.1 108.8 Up 05:22:58 - 05:52:58 7590
Gardnerville 05:37:59 -57.4 Dark Up 48.3 108.6 Up 05:22:59 - 05:52:59 7566
Yerington 05:37:57 -57.8 Dark Up 48.7 109.2 Up 05:22:57 - 05:52:57 7558
Hawthorne 05:37:56 -58.4 Dark Up 49.2 109.2 Up 05:22:56 - 05:52:56 7502
Lee Vining 05:37:59 -58.2 Dark Up 49.0 108.1 Up 05:22:59 - 05:52:59 7459
Tonopah 05:37:54 -59.6 Dark Up 50.4 110.0 Up 05:22:54 - 05:52:54 7427
Niwot 05:37:16 -66.5 Dark Up 57.6 126.0 Up 05:22:16 - 05:52:16 7392
Bishop 05:37:58 -58.9 Dark Up 49.8 108.1 Up 05:22:58 - 05:52:58 7386
Beatty 05:37:55 -60.3 Dark Up 51.1 109.1 Up 05:22:55 - 05:52:55 7305
Lone Pine 05:37:59 -59.4 Dark Up 50.2 107.6 Up 05:22:59 - 05:52:59 7305
Indian Springs 05:37:52 -61.2 Dark Up 52.0 109.7 Up 05:22:52 - 05:52:52 7250
CPSLO 05:38:08 -57.8 Dark Up 48.6 103.9 Up 05:23:08 - 05:53:08 7238
Henderson 05:37:52 -61.9 Dark Up 52.8 109.7 Up 05:22:52 - 05:52:52 7182
Searchlight/Boulder City 05:37:53 -62.2 Dark Up 53.0 109.0 Up 05:22:53 - 05:52:53 7125
Patrick 05:37:50 -63.0 Dark Up 53.8 110.0 Up 05:22:50 - 05:52:50 7097
Laughlin/Bullhead City 05:37:51 -62.5 Dark Up 53.4 109.0 Up 05:22:51 - 05:52:51 7088
Kingman/Dolan Springs 05:37:50 -62.9 Dark Up 53.7 109.5 Up 05:22:50 - 05:52:50 7079
Wildwood 05:38:05 -59.7 Dark Up 50.5 104.2 Up 05:23:05 - 05:53:05 7071
Mohave Valley 05:37:52 -62.6 Dark Up 53.5 108.6 Up 05:22:52 - 05:52:52 7060
DCO 05:37:48 -63.6 Dark Up 54.5 110.2 Up 05:22:48 - 05:52:48 7051
Lake Havasu City 05:37:53 -62.9 Dark Up 53.8 108.4 Up 05:22:53 - 05:52:53 7015
Idyllwild 05:38:01 -61.3 Dark Up 52.1 105.3 Up 05:23:01 - 05:53:01 6992
Parker 05:37:53 -63.1 Dark Up 53.9 107.9 Up 05:22:53 - 05:52:53 6979
Blythe 05:37:54 -63.0 Dark Up 53.8 107.0 Up 05:22:54 - 05:52:54 6934
Calipatria 05:37:58 -62.4 Dark Up 53.2 105.5 Up 05:22:58 - 05:52:58 6905
Yuma 05:37:57 -63.2 Dark Up 54.1 105.7 Up 05:22:57 - 05:52:57 6841

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 03UV292, (2019/12/11 05:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.65  25
Alnath         05:26:17.5 +28:36:24  1.6 11.63  18
126 Tau        05:41:17.7 +16:32:02  4.6  1.24  19
PPM 121266     05:41:22.6 +17:31:20  8.4  0.52  19
PPM 121304     05:42:48.8 +17:23:21  8.6  0.32  19
03UV292        05:43:28.1 +17:39:52 15.4        19
Positions are for J2000

Event circumstances last updated at 2017/12/08 17:34:48 UT

Marc W. Buie, Southwest Research Institute

RECON