RECON: TNO occultation with 03UV292

Event between 03UV292 and star UC4-539-017660 with event index number of 237751

Geocentric closest approach at 2020/01/03 09:59:45 UTC

J2000 position of star is 05:41:14.7 +17:38:12
Equinox of date position of star is 05:42:17.8 +17:38:40
Stellar brightness R=15.3, use SENSEUP=128
Star is 70 degrees from the moon. Moon is 52% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 37.3 AU from the Sun and 36.4 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 921 seconds.
The 1-sigma cross-track error in the shadow position is 1514 km.
The sky-plane scale is 26395.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=86.1 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03UV292, (2020/01/03 10:00UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.3 +07:24:33  0.4 10.78  73
Alnath         05:27:33.5 +28:37:21  1.6 11.49  68
126 Tau        05:42:27.1 +16:32:33  4.6  1.10  70
PPM 121266     05:42:32.5 +17:31:51  8.4  0.12  70
03UV292        05:42:24.7 +17:38:43 15.3        71
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 1.0 sigma about the mid-time.
The median site spacing is 21.1 km RECON observability=1.0 and success probability=11.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 09:57:33 -55.4 Dark Down 40.9 247.5 Up 09:42:33 - 10:12:33 3533
Tonasket 09:57:33 -55.5 Dark Down 41.0 247.7 Up 09:42:33 - 10:12:33 3512
Okanogan 09:57:32 -55.8 Dark Down 41.2 247.8 Up 09:42:32 - 10:12:32 3480
Brewster 09:57:32 -56.1 Dark Down 41.4 247.8 Up 09:42:32 - 10:12:32 3453
Manson/Chelan 09:57:32 -56.4 Dark Down 41.7 247.6 Up 09:42:32 - 10:12:32 3429
Entiat 09:57:32 -56.6 Dark Down 41.8 247.7 Up 09:42:32 - 10:12:32 3408
Wenatchee 09:57:31 -56.8 Dark Down 42.0 247.9 Up 09:42:31 - 10:12:31 3383
Ellensburg 09:57:31 -57.1 Dark Down 42.3 248.0 Up 09:42:31 - 10:12:31 3342
Yakima 09:57:31 -57.4 Dark Down 42.5 248.3 Up 09:42:31 - 10:12:31 3305
Pasco 09:57:26 -56.8 Dark Down 41.7 249.9 Up 09:42:26 - 10:12:26 3296
Toppenish/White Swan 09:57:30 -57.4 Dark Down 42.4 248.7 Up 09:42:30 - 10:12:30 3288
PNWRO 09:57:25 -56.8 Dark Down 41.6 250.4 Up 09:42:25 - 10:12:25 3277
George/Umatilla 09:57:26 -57.1 Dark Down 41.9 250.0 Up 09:42:26 - 10:12:26 3262
Goldendale 09:57:29 -58.0 Dark Down 42.9 248.7 Up 09:42:29 - 10:12:29 3230
The Dalles 09:57:30 -58.3 Dark Down 43.2 248.6 Up 09:42:30 - 10:12:30 3204
Maupin 09:57:28 -58.5 Dark Down 43.3 249.0 Up 09:42:28 - 10:12:28 3167
Madras/Culver 09:57:27 -58.9 Dark Down 43.5 249.5 Up 09:42:27 - 10:12:27 3115
Redmond 09:57:27 -59.1 Dark Down 43.7 249.7 Up 09:42:27 - 10:12:27 3081
Sisters 09:57:28 -59.3 Dark Down 44.0 249.3 Up 09:42:28 - 10:12:28 3077
Bend 09:57:27 -59.3 Dark Down 43.9 249.8 Up 09:42:27 - 10:12:27 3058
Oregon Observatory 09:57:26 -59.5 Dark Down 44.0 249.8 Up 09:42:26 - 10:12:26 3040
La Pine/Gilchrist 09:57:26 -59.7 Dark Down 44.1 250.0 Up 09:42:26 - 10:12:26 3019
North Lake 09:57:24 -59.5 Dark Down 43.9 250.9 Up 09:42:24 - 10:12:24 2988
Niwot 09:56:44 -50.0 Dark Down 33.1 265.6 Up 09:41:44 - 10:11:44 2984
Paisley 09:57:22 -59.6 Dark Down 43.8 251.7 Up 09:42:22 - 10:12:22 2941
Chiloquin 09:57:24 -60.5 Dark Down 44.8 250.7 Up 09:42:24 - 10:12:24 2908
Lakeview 09:57:20 -59.8 Dark Down 43.8 252.4 Up 09:42:20 - 10:12:20 2895
Klamath Falls 09:57:24 -60.6 Dark Down 44.8 251.0 Up 09:42:24 - 10:12:24 2876
Tulelake 09:57:22 -60.6 Dark Down 44.7 251.6 Up 09:42:22 - 10:12:22 2855
Cedarville 09:57:18 -60.0 Dark Down 43.9 253.1 Up 09:42:18 - 10:12:18 2835
Fall River/Burney 09:57:21 -61.0 Dark Down 44.9 252.5 Up 09:42:21 - 10:12:21 2769
Susanville 09:57:17 -60.9 Dark Down 44.6 253.7 Up 09:42:17 - 10:12:17 2719
Gimple 09:57:17 -61.1 Dark Down 44.8 253.8 Up 09:42:17 - 10:12:17 2689
Greenville 09:57:17 -61.2 Dark Down 44.9 253.7 Up 09:42:17 - 10:12:17 2688
Quincy 09:57:17 -61.3 Dark Down 44.9 253.9 Up 09:42:17 - 10:12:17 2668
Portola 09:57:16 -61.0 Dark Down 44.6 254.5 Up 09:42:16 - 10:12:16 2664
Reno 09:57:13 -60.7 Dark Down 44.2 255.2 Up 09:42:13 - 10:12:13 2648
Carson City 09:57:13 -60.8 Dark Down 44.3 255.6 Up 09:42:13 - 10:12:13 2614
Yerington 09:57:11 -60.5 Dark Down 43.8 256.3 Up 09:42:11 - 10:12:11 2605
Gardnerville 09:57:12 -60.9 Dark Down 44.3 255.9 Up 09:42:12 - 10:12:12 2590
Hawthorne 09:57:09 -60.3 Dark Down 43.6 257.1 Up 09:42:09 - 10:12:09 2569
Tonopah 09:57:04 -59.5 Dark Down 42.6 258.6 Up 09:42:04 - 10:12:04 2548
Lee Vining 09:57:09 -60.9 Dark Down 44.1 257.3 Up 09:42:09 - 10:12:09 2505
Bishop 09:57:06 -60.6 Dark Down 43.6 258.4 Up 09:42:06 - 10:12:06 2458
Beatty 09:57:01 -59.5 Dark Down 42.5 260.0 Up 09:42:01 - 10:12:01 2442
Indian Springs 09:56:58 -58.8 Dark Down 41.7 261.1 Up 09:41:58 - 10:11:58 2430
Henderson 09:56:55 -58.4 Dark Down 41.2 262.0 Up 09:41:55 - 10:11:55 2391
Lone Pine 09:57:03 -60.6 Dark Down 43.5 259.3 Up 09:42:03 - 10:12:03 2389
Patrick 09:56:51 -57.7 Dark Down 40.4 263.3 Up 09:41:51 - 10:11:51 2350
Searchlight/Boulder City 09:56:54 -58.5 Dark Down 41.2 262.6 Up 09:41:54 - 10:11:54 2335
DCO 09:56:49 -57.2 Dark Down 39.9 264.0 Up 09:41:49 - 10:11:49 2334
Kingman/Dolan Springs 09:56:51 -57.9 Dark Down 40.6 263.4 Up 09:41:51 - 10:11:51 2324
Laughlin/Bullhead City 09:56:52 -58.3 Dark Down 41.0 263.0 Up 09:41:52 - 10:11:52 2312
Mohave Valley 09:56:51 -58.4 Dark Down 41.0 263.3 Up 09:41:51 - 10:11:51 2285
Lake Havasu City 09:56:51 -58.3 Dark Down 40.9 263.8 Up 09:41:51 - 10:11:51 2249
Parker 09:56:50 -58.3 Dark Down 40.9 264.1 Up 09:41:50 - 10:11:50 2215
CPSLO 09:57:08 -63.0 Dark Down 45.8 258.7 Up 09:42:08 - 10:12:08 2211
Blythe 09:56:49 -58.7 Dark Down 41.2 264.4 Up 09:41:49 - 10:11:49 2156
Wildwood 09:57:00 -61.8 Dark Down 44.4 261.3 Up 09:42:00 - 10:12:00 2126
Idyllwild 09:56:55 -60.4 Dark Down 42.9 262.9 Up 09:41:55 - 10:11:55 2126
Calipatria 09:56:51 -59.6 Dark Down 42.0 264.2 Up 09:41:51 - 10:11:51 2087
Yuma 09:56:48 -58.9 Dark Down 41.3 265.1 Up 09:41:48 - 10:11:48 2061

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, (2020/01/03 10:00UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.78  73
Alnath         05:26:17.5 +28:36:24  1.6 11.49  68
126 Tau        05:41:17.7 +16:32:02  4.6  1.10  70
PPM 121266     05:41:22.6 +17:31:20  8.4  0.12  70
03UV292        05:41:14.7 +17:38:12 15.3        70
Positions are for J2000

Event circumstances last updated at 2018/01/16 17:07:21 UT

Marc W. Buie, Southwest Research Institute

RECON