RECON: TNO occultation with 04TV357

Event between 04TV357 and star GA1100:00890291 with event index number of 1000838

Geocentric closest approach at 2020/11/15 11:15:16 UTC

J2000 position of star is 05:06:38.4 +21:40:39
Equinox of date position of star is 05:07:50.8 +21:42:11
Stellar brightness G=15.5, use SENSEUP=128
Star is 160 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=25.4

[RECON map]
TNO is 34.7 AU from the Sun and 33.8 AU from the Earth.
The TNO is moving 22.0 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 135 seconds.
The 1-sigma cross-track error in the shadow position is 1324 km.
The sky-plane scale is 24531.9 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=267.9 km assuming a 5% albedo -- 2.7 sec chord
Diameter=109.4 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 04TV357, (2020/11/15 11:15UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.3 +16:32:59  0.8  8.91 167
Alnath         05:27:36.8 +28:37:23  1.6  8.23 154
102Iot Tau     05:04:20.7 +21:37:05  4.6  0.83 160
PPM 094029     05:05:37.1 +21:40:16  8.3  0.53 160
PPM 094091     05:09:29.0 +21:50:20  8.9  0.39 159
PPM 094082     05:09:04.2 +21:49:39 11.0  0.30 159
04TV357        05:07:53.4 +21:42:14 15.5       159
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 24.4 km RECON observability=1.0 and success probability=12.9%
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 11:13:32 -37.7 Dark Down 54.2 227.1 Up 11:01:48 - 11:25:16 3741
Kelowna 11:13:31 -37.9 Dark Down 54.6 227.3 Up 11:01:47 - 11:25:15 3702
Peachland 11:13:32 -38.1 Dark Down 54.8 227.0 Up 11:01:48 - 11:25:16 3690
Summerland 11:13:32 -38.1 Dark Down 54.9 227.2 Up 11:01:48 - 11:25:16 3675
Penticton 11:13:32 -38.0 Dark Down 54.8 227.5 Up 11:01:48 - 11:25:16 3669
Oliver 11:13:31 -38.2 Dark Down 55.1 227.8 Up 11:01:47 - 11:25:15 3634
Anarchist Mountain Observatory 11:13:30 -38.1 Dark Down 55.1 228.3 Up 11:01:46 - 11:25:14 3617
Tonasket 11:13:30 -38.2 Dark Down 55.3 228.5 Up 11:01:46 - 11:25:14 3586
Victoria 11:13:42 -40.7 Dark Down 57.3 223.0 Up 11:01:58 - 11:25:26 3561
Okanogan 11:13:30 -38.4 Dark Down 55.6 228.7 Up 11:01:46 - 11:25:14 3552
Brewster 11:13:30 -38.6 Dark Down 55.9 228.7 Up 11:01:46 - 11:25:14 3524
Manson/Chelan 11:13:31 -38.9 Dark Down 56.2 228.4 Up 11:01:47 - 11:25:15 3502
Entiat 11:13:32 -39.0 Dark Down 56.4 228.6 Up 11:01:48 - 11:25:16 3480
Wenatchee 11:13:32 -39.1 Dark Down 56.6 228.7 Up 11:01:48 - 11:25:16 3454
Ellensburg 11:13:32 -39.4 Dark Down 57.0 228.9 Up 11:01:48 - 11:25:16 3411
Yakima 11:13:32 -39.5 Dark Down 57.3 229.3 Up 11:01:48 - 11:25:16 3370
Toppenish/White Swan 11:13:31 -39.5 Dark Down 57.4 229.8 Up 11:01:47 - 11:25:15 3348
Pasco 11:13:27 -38.7 Dark Down 56.8 231.7 Up 11:01:43 - 11:25:11 3339
PNWRO 11:13:26 -38.6 Dark Down 56.8 232.3 Up 11:01:42 - 11:25:10 3315
Goldendale 11:13:31 -39.9 Dark Down 57.9 229.9 Up 11:01:47 - 11:25:15 3291
The Dalles 11:13:33 -40.2 Dark Down 58.3 229.6 Up 11:01:49 - 11:25:17 3267
Maupin 11:13:32 -40.2 Dark Down 58.5 230.3 Up 11:01:48 - 11:25:16 3224
Sisters 11:13:33 -40.8 Dark Down 59.3 230.7 Up 11:01:49 - 11:25:17 3132
Redmond 11:13:31 -40.5 Dark Down 59.1 231.3 Up 11:01:47 - 11:25:15 3131
Bend 11:13:32 -40.7 Dark Down 59.3 231.4 Up 11:01:48 - 11:25:16 3108
Oregon Observatory 11:13:32 -40.8 Dark Down 59.5 231.4 Up 11:01:48 - 11:25:16 3090
La Pine/Gilchrist 11:13:32 -40.9 Dark Down 59.7 231.6 Up 11:01:48 - 11:25:16 3068
North Lake 11:13:29 -40.6 Dark Down 59.6 233.1 Up 11:01:45 - 11:25:13 3024
Paisley 11:13:28 -40.5 Dark Down 59.7 234.3 Up 11:01:44 - 11:25:12 2968
Klamath Falls 11:13:32 -41.4 Dark Down 60.7 233.2 Up 11:01:48 - 11:25:16 2916
Lakeview 11:13:27 -40.4 Dark Down 59.9 235.3 Up 11:01:43 - 11:25:11 2915
Cedarville 11:13:26 -40.4 Dark Down 60.2 236.5 Up 11:01:42 - 11:25:10 2846
Niwot 11:12:35 -29.4 Dark Down 50.5 254.8 Up 11:00:51 - 11:24:19 2800
Fall River/Burney 11:13:30 -41.4 Dark Down 61.2 235.5 Up 11:01:46 - 11:25:14 2792
SwRI 11:12:36 -29.5 Dark Down 50.6 254.8 Up 11:00:52 - 11:24:20 2788
Susanville 11:13:27 -41.0 Dark Down 61.1 237.5 Up 11:01:43 - 11:25:11 2727
Greenville 11:13:27 -41.3 Dark Down 61.4 237.5 Up 11:01:43 - 11:25:11 2697
Gimple 11:13:27 -41.2 Dark Down 61.3 237.6 Up 11:01:43 - 11:25:11 2697
Quincy 11:13:27 -41.3 Dark Down 61.5 237.8 Up 11:01:43 - 11:25:11 2676
Portola 11:13:26 -41.0 Dark Down 61.3 238.7 Up 11:01:42 - 11:25:10 2664
Reno 11:13:23 -40.5 Dark Down 61.0 240.0 Up 11:01:39 - 11:25:07 2637
Carson City 11:13:23 -40.6 Dark Down 61.1 240.6 Up 11:01:39 - 11:25:07 2599
Yerington 11:13:20 -40.1 Dark Down 60.8 241.7 Up 11:01:36 - 11:25:04 2580
Gardnerville 11:13:22 -40.6 Dark Down 61.2 241.0 Up 11:01:38 - 11:25:06 2573
Hawthorne 11:13:18 -39.8 Dark Down 60.7 243.1 Up 11:01:34 - 11:25:02 2532
Tonopah 11:13:13 -38.7 Dark Down 59.9 245.5 Up 11:01:29 - 11:24:57 2488
Lee Vining 11:13:19 -40.2 Dark Down 61.3 243.4 Up 11:01:35 - 11:25:03 2470
Bishop 11:13:16 -39.7 Dark Down 61.0 245.2 Up 11:01:32 - 11:25:00 2409
Beatty 11:13:10 -38.5 Dark Down 60.0 247.9 Up 11:01:26 - 11:24:54 2366
Indian Springs 11:13:06 -37.7 Dark Down 59.3 249.5 Up 11:01:22 - 11:24:50 2336
Henderson 11:13:04 -37.2 Dark Down 59.0 251.1 Up 11:01:20 - 11:24:48 2283
Patrick 11:12:59 -36.3 Dark Down 58.3 253.2 Up 11:01:15 - 11:24:43 2222
Searchlight/Boulder City 11:13:03 -37.1 Dark Down 59.1 252.1 Up 11:01:19 - 11:24:47 2221
Kingman/Dolan Springs 11:12:59 -36.5 Dark Down 58.6 253.3 Up 11:01:15 - 11:24:43 2197
DCO 11:12:56 -35.7 Dark Down 57.9 254.3 Up 11:01:12 - 11:24:40 2194
Laughlin/Bullhead City 11:13:01 -36.9 Dark Down 59.0 252.9 Up 11:01:17 - 11:24:45 2191
CPSLO 11:13:24 -41.8 Dark Down 63.5 246.1 Up 11:01:40 - 11:25:08 2179
Mohave Valley 11:13:01 -36.9 Dark Down 59.0 253.3 Up 11:01:17 - 11:24:45 2162
Lake Havasu City 11:13:00 -36.7 Dark Down 59.0 254.2 Up 11:01:16 - 11:24:44 2120
Parker 11:12:59 -36.7 Dark Down 59.0 254.8 Up 11:01:15 - 11:24:43 2082
Wildwood 11:13:15 -40.2 Dark Down 62.4 250.6 Up 11:01:31 - 11:24:59 2054
George/Scottsdale 11:12:50 -34.7 Dark Down 57.2 257.6 Up 11:01:06 - 11:24:34 2053
Idyllwild 11:13:08 -38.7 Dark Down 61.0 253.2 Up 11:01:24 - 11:24:52 2024
Blythe 11:13:00 -36.9 Dark Down 59.4 255.4 Up 11:01:16 - 11:24:44 2023
Calipatria 11:13:03 -37.7 Dark Down 60.3 255.3 Up 11:01:19 - 11:24:47 1963
Yuma 11:12:59 -37.0 Dark Down 59.7 256.8 Up 11:01:15 - 11:24:43 1922

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 04TV357, (2020/11/15 11:15UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  8.91 167
Alnath         05:26:17.5 +28:36:23  1.6  8.23 154
102Iot Tau     05:03:05.8 +21:35:23  4.6  0.83 160
PPM 094029     05:04:22.1 +21:38:36  8.3  0.53 160
PPM 094091     05:08:13.9 +21:48:48  8.9  0.39 159
PPM 094082     05:07:49.1 +21:48:06 11.0  0.30 159
04TV357        05:06:38.4 +21:40:39 15.5       160
Positions are for J2000

Event circumstances last updated at 2020/02/25 21:42:14 UT

Marc W. Buie, Southwest Research Institute

RECON