RECON: TNO occultation with 03UP292

Event between 03UP292 and star GA1220:01421904 with event index number of 239646

Geocentric closest approach at 2020/01/10 06:56:48 UTC

J2000 position of star is 05:05:07.7 +33:32:08
Equinox of date position of star is 05:06:21.4 +33:33:36
Stellar brightness G=17.0, use SENSEUP=128
Star is 26 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 28.9 AU from the Sun and 28.1 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 95 seconds.
The 1-sigma cross-track error in the shadow position is 1163 km.
The sky-plane scale is 20369.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=221.8 km assuming a 5% albedo -- 10.7 sec chord
Diameter=90.6 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 03UP292, (2020/01/10 06:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.3 +16:32:53  0.8 18.25  33
3Iot Aur       04:58:18.1 +33:11:45  2.7  1.74  28
14 Aur         05:16:42.8 +32:42:32  5.2  2.31  24
PPM 069915     05:07:27.5 +33:56:39  7.2  0.44  26
PPM 069885     05:05:35.9 +33:37:25  8.9  0.19  26
03UP292        05:06:26.5 +33:33:42 17.0        26
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 5.0 sigma about the mid-time.
The median site spacing is 26.8 km RECON observability=1.0 and success probability=16.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 06:55:30 -59.0 Dark Up 69.2 224.8 Up 06:47:04 - 07:03:55 3345
Penticton 06:55:30 -59.2 Dark Up 69.5 225.1 Up 06:47:05 - 07:03:56 3306
Okanagan Falls 06:55:30 -59.4 Dark Up 69.7 225.5 Up 06:47:05 - 07:03:56 3285
Southern Okanagan 06:55:30 -59.5 Dark Up 69.8 225.8 Up 06:47:04 - 07:03:55 3268
Oroville 06:55:29 -59.8 Dark Up 69.9 226.5 Up 06:47:04 - 07:03:55 3241
Tonasket 06:55:29 -60.0 Dark Up 70.0 227.0 Up 06:47:04 - 07:03:55 3216
Okanogan 06:55:30 -60.2 Dark Up 70.3 227.4 Up 06:47:05 - 07:03:56 3180
Brewster 06:55:31 -60.3 Dark Up 70.6 227.6 Up 06:47:06 - 07:03:57 3151
Manson/Chelan 06:55:32 -60.4 Dark Up 70.9 227.3 Up 06:47:06 - 07:03:57 3129
Entiat 06:55:32 -60.5 Dark Up 71.1 227.6 Up 06:47:06 - 07:03:57 3105
Wenatchee 06:55:33 -60.7 Dark Up 71.3 227.9 Up 06:47:07 - 07:03:58 3078
Ellensburg 06:55:33 -60.9 Dark Up 71.7 228.4 Up 06:47:08 - 07:03:59 3033
Yakima 06:55:34 -61.2 Dark Up 72.0 229.3 Up 06:47:08 - 07:03:59 2989
Toppenish/White Swan 06:55:32 -61.5 Dark Up 72.1 230.2 Up 06:47:07 - 07:03:58 2965
Pasco 06:55:28 -62.1 Dark Up 71.5 233.0 Up 06:47:02 - 07:03:53 2949
PNWRO 06:55:27 -62.4 Dark Up 71.5 234.0 Up 06:47:02 - 07:03:53 2922
George/Umatilla 06:55:29 -62.3 Dark Up 71.8 233.4 Up 06:47:03 - 07:03:54 2913
Goldendale 06:55:34 -61.7 Dark Up 72.6 230.6 Up 06:47:09 - 07:04:00 2906
The Dalles 06:55:35 -61.7 Dark Up 73.0 230.4 Up 06:47:10 - 07:04:01 2883
Maupin 06:55:35 -62.1 Dark Up 73.2 231.7 Up 06:47:09 - 07:04:00 2837
Madras/Culver 06:55:35 -62.5 Dark Up 73.5 233.0 Up 06:47:09 - 07:04:00 2777
Sisters 06:55:37 -62.6 Dark Up 74.0 233.0 Up 06:47:12 - 07:04:03 2742
Redmond 06:55:36 -62.8 Dark Up 73.8 233.9 Up 06:47:10 - 07:04:01 2738
Bend 06:55:36 -62.9 Dark Up 74.0 234.2 Up 06:47:11 - 07:04:02 2715
Oregon Observatory 06:55:37 -62.9 Dark Up 74.2 234.4 Up 06:47:11 - 07:04:02 2696
La Pine/Gilchrist 06:55:37 -63.0 Dark Up 74.3 234.9 Up 06:47:12 - 07:04:03 2674
North Lake 06:55:35 -63.7 Dark Up 74.2 237.4 Up 06:47:09 - 07:04:00 2624
Paisley 06:55:33 -64.2 Dark Up 74.3 239.8 Up 06:47:08 - 07:03:59 2562
Chiloquin 06:55:38 -63.7 Dark Up 75.1 237.5 Up 06:47:13 - 07:04:04 2553
Klamath Falls 06:55:38 -63.9 Dark Up 75.3 238.8 Up 06:47:13 - 07:04:04 2515
Lakeview 06:55:32 -64.7 Dark Up 74.4 241.8 Up 06:47:07 - 07:03:58 2506
Tulelake 06:55:37 -64.3 Dark Up 75.2 240.3 Up 06:47:12 - 07:04:03 2484
Cedarville 06:55:32 -65.3 Dark Up 74.6 244.2 Up 06:47:06 - 07:03:57 2433
Fall River/Burney 06:55:37 -65.0 Dark Up 75.6 243.6 Up 06:47:11 - 07:04:02 2384
Niwot 06:54:31 -71.7 Dark Up 64.1 265.3 Up 06:46:06 - 07:02:57 2330
Susanville 06:55:34 -65.8 Dark Up 75.4 247.1 Up 06:47:08 - 07:03:59 2312
Greenville 06:55:35 -65.8 Dark Up 75.7 247.6 Up 06:47:09 - 07:04:00 2282
Gimple 06:55:35 -65.9 Dark Up 75.6 247.8 Up 06:47:09 - 07:04:00 2281
Quincy 06:55:35 -66.0 Dark Up 75.7 248.3 Up 06:47:09 - 07:04:00 2260
Portola 06:55:33 -66.3 Dark Up 75.4 249.6 Up 06:47:07 - 07:03:58 2244
Reno 06:55:30 -66.9 Dark Up 75.1 251.6 Up 06:47:05 - 07:03:56 2213
Carson City 06:55:30 -67.1 Dark Up 75.2 252.9 Up 06:47:04 - 07:03:55 2173
Yerington 06:55:27 -67.6 Dark Up 74.8 254.5 Up 06:47:02 - 07:03:53 2150
Gardnerville 06:55:30 -67.3 Dark Up 75.2 253.9 Up 06:47:05 - 07:03:56 2146
Hawthorne 06:55:26 -68.2 Dark Up 74.5 256.8 Up 06:47:00 - 07:03:51 2098
Tonopah 06:55:19 -69.3 Dark Up 73.5 260.1 Up 06:46:54 - 07:03:45 2045
Lee Vining 06:55:27 -68.3 Dark Up 75.0 258.3 Up 06:47:02 - 07:03:53 2036
Bishop 06:55:24 -69.2 Dark Up 74.5 261.2 Up 06:46:59 - 07:03:50 1969
Beatty 06:55:17 -70.4 Dark Up 73.3 264.3 Up 06:46:52 - 07:03:43 1917
Lone Pine 06:55:23 -69.9 Dark Up 74.4 264.2 Up 06:46:57 - 07:03:48 1884
Indian Springs 06:55:12 -71.2 Dark Up 72.5 266.3 Up 06:46:47 - 07:03:38 1881
Henderson 06:55:09 -72.0 Dark Up 72.0 268.4 Up 06:46:44 - 07:03:35 1823
Searchlight/Boulder City 06:55:09 -72.4 Dark Up 71.9 270.2 Up 06:46:44 - 07:03:35 1759
Patrick 06:55:04 -73.1 Dark Up 71.1 270.9 Up 06:46:39 - 07:03:30 1756
CPSLO 06:55:35 -69.0 Dark Up 76.5 267.1 Up 06:47:09 - 07:04:00 1746
Kingman/Dolan Springs 06:55:06 -73.1 Dark Up 71.2 271.5 Up 06:46:40 - 07:03:31 1731
Laughlin/Bullhead City 06:55:08 -72.9 Dark Up 71.6 271.3 Up 06:46:42 - 07:03:33 1727
DCO 06:55:02 -73.7 Dark Up 70.5 272.2 Up 06:46:36 - 07:03:27 1724
Mohave Valley 06:55:07 -73.1 Dark Up 71.6 272.1 Up 06:46:42 - 07:03:33 1697
Lake Havasu City 06:55:06 -73.5 Dark Up 71.4 273.4 Up 06:46:41 - 07:03:32 1653
Parker 06:55:06 -73.8 Dark Up 71.4 274.5 Up 06:46:40 - 07:03:31 1614
Wildwood 06:55:25 -71.1 Dark Up 74.8 273.0 Up 06:47:00 - 07:03:51 1606
Idyllwild 06:55:17 -72.5 Dark Up 73.3 274.9 Up 06:46:51 - 07:03:42 1566
Blythe 06:55:08 -73.9 Dark Up 71.5 275.9 Up 06:46:42 - 07:03:33 1555
Calipatria 06:55:12 -73.7 Dark Up 72.3 277.2 Up 06:46:46 - 07:03:37 1499
Yuma 06:55:08 -74.5 Dark Up 71.5 278.7 Up 06:46:42 - 07:03:33 1453

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 03UP292, (2020/01/10 06:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 18.25  33
3Iot Aur       04:56:59.6 +33:09:58  2.7  1.74  28
14 Aur         05:15:24.3 +32:41:15  5.2  2.31  24
PPM 069915     05:06:08.4 +33:55:07  7.2  0.44  26
PPM 069885     05:04:17.1 +33:35:49  8.9  0.19  26
03UP292        05:05:07.7 +33:32:08 17.0        26
Positions are for J2000

Event circumstances last updated at 2018/09/19 18:01:25 UT

Marc W. Buie, Southwest Research Institute

RECON