RECON: TNO occultation with 00WT169

Event between 00WT169 and star GA1120:01808165 with event index number of 1031369

Geocentric closest approach at 2021/01/13 06:05:53 UTC

J2000 position of star is 06:07:41.7 +22:52:08
Equinox of date position of star is 06:08:56.2 +22:51:53
Stellar brightness G=15.4, use SENSEUP=128
Star is 158 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=26.6

[RECON map]
TNO is 45.1 AU from the Sun and 44.2 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 294 seconds.
The 1-sigma cross-track error in the shadow position is 2082 km.
The sky-plane scale is 32028.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=361.4 km assuming a 5% albedo -- 2.5 sec chord
Diameter=147.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WT169, (2021/01/13 06:06UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:18.7 +07:24:33  0.4 15.75 149
Alhena         06:38:55.6 +16:22:46  1.9  9.58 162
3 Gem          06:11:00.7 +23:06:29  5.5  0.53 158
PPM 095439     06:09:03.2 +22:42:12  8.3  0.16 158
00WT169        06:08:58.3 +22:51:52 15.4       158
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 3.1 sigma about the mid-time.
The median site spacing is 22.5 km RECON observability=1.0 and success probability=5.0%
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 06:06:17 -52.8 Dark Down 62.1 166.7 Up 05:51:17 - 06:21:17 -4407
Kelowna 06:06:18 -53.0 Dark Down 62.5 166.2 Up 05:51:18 - 06:21:18 -4445
Peachland 06:06:19 -52.9 Dark Down 62.5 165.6 Up 05:51:19 - 06:21:19 -4455
Summerland 06:06:19 -53.1 Dark Down 62.7 165.7 Up 05:51:19 - 06:21:19 -4470
Penticton 06:06:18 -53.2 Dark Down 62.8 165.9 Up 05:51:18 - 06:21:18 -4477
Oliver 06:06:18 -53.4 Dark Down 63.1 165.7 Up 05:51:18 - 06:21:18 -4512
Anarchist Mountain Observatory 06:06:18 -53.6 Dark Down 63.3 166.0 Up 05:51:18 - 06:21:18 -4529
Tonasket 06:06:18 -53.7 Dark Down 63.6 165.7 Up 05:51:18 - 06:21:18 -4560
Victoria 06:06:30 -51.7 Dark Down 63.0 157.7 Up 05:51:30 - 06:21:30 -4568
Okanogan 06:06:19 -53.9 Dark Down 63.9 165.2 Up 05:51:19 - 06:21:19 -4594
Brewster 06:06:19 -53.9 Dark Down 64.1 164.7 Up 05:51:19 - 06:21:19 -4621
Manson/Chelan 06:06:21 -53.9 Dark Down 64.3 163.8 Up 05:51:21 - 06:21:21 -4641
Entiat 06:06:21 -54.0 Dark Down 64.5 163.5 Up 05:51:21 - 06:21:21 -4663
Wenatchee 06:06:22 -54.1 Dark Down 64.7 163.2 Up 05:51:22 - 06:21:22 -4689
Ellensburg 06:06:22 -54.2 Dark Down 65.0 162.5 Up 05:51:22 - 06:21:22 -4730
Yakima 06:06:23 -54.4 Dark Down 65.4 162.2 Up 05:51:23 - 06:21:23 -4771
Toppenish/White Swan 06:06:22 -54.6 Dark Down 65.7 162.4 Up 05:51:22 - 06:21:22 -4794
Pasco 06:06:19 -55.4 Dark Down 66.0 165.1 Up 05:51:19 - 06:21:19 -4808
PNWRO 06:06:17 -55.7 Dark Down 66.3 165.4 Up 05:51:17 - 06:21:17 -4834
Goldendale 06:06:23 -54.7 Dark Down 66.1 161.1 Up 05:51:23 - 06:21:23 -4849
The Dalles 06:06:25 -54.6 Dark Down 66.2 160.1 Up 05:51:25 - 06:21:25 -4871
Maupin 06:06:25 -54.9 Dark Down 66.6 160.0 Up 05:51:25 - 06:21:25 -4914
Sisters 06:06:27 -55.0 Dark Down 67.3 158.2 Up 05:51:27 - 06:21:27 -5003
Redmond 06:06:25 -55.3 Dark Down 67.5 159.1 Up 05:51:25 - 06:21:25 -5007
Bend 06:06:26 -55.3 Dark Down 67.6 158.5 Up 05:51:26 - 06:21:26 -5029
Oregon Observatory 06:06:26 -55.3 Dark Down 67.8 158.1 Up 05:51:26 - 06:21:26 -5046
La Pine/Gilchrist 06:06:26 -55.4 Dark Down 67.9 157.8 Up 05:51:26 - 06:21:26 -5067
North Lake 06:06:25 -56.0 Dark Down 68.5 158.8 Up 05:51:25 - 06:21:25 -5114
Paisley 06:06:23 -56.5 Dark Down 69.1 159.1 Up 05:51:23 - 06:21:23 -5173
Klamath Falls 06:06:28 -55.9 Dark Down 69.2 155.7 Up 05:51:28 - 06:21:28 -5218
Lakeview 06:06:23 -56.8 Dark Down 69.6 159.1 Up 05:51:23 - 06:21:23 -5226
Cedarville 06:06:23 -57.3 Dark Down 70.3 158.9 Up 05:51:23 - 06:21:23 -5296
Fall River/Burney 06:06:27 -56.7 Dark Down 70.4 155.3 Up 05:51:27 - 06:21:27 -5343
Susanville 06:06:25 -57.5 Dark Down 71.2 156.5 Up 05:51:25 - 06:21:25 -5412
Niwot 06:05:30 -66.9 Dark Down 71.7 201.7 Up 05:50:30 - 06:20:30 -5418
SwRI 06:05:31 -66.9 Dark Down 71.8 201.5 Up 05:50:31 - 06:20:31 -5430
Greenville 06:06:26 -57.4 Dark Down 71.4 155.4 Up 05:51:26 - 06:21:26 -5440
Gimple 06:06:26 -57.4 Dark Down 71.4 155.6 Up 05:51:26 - 06:21:26 -5441
Quincy 06:06:26 -57.5 Dark Down 71.5 155.1 Up 05:51:26 - 06:21:26 -5462
Portola 06:06:24 -57.8 Dark Down 71.8 156.2 Up 05:51:24 - 06:21:24 -5476
Reno 06:06:22 -58.4 Dark Down 72.2 157.7 Up 05:51:22 - 06:21:22 -5506
Carson City 06:06:22 -58.6 Dark Down 72.6 157.4 Up 05:51:22 - 06:21:22 -5545
Yerington 06:06:19 -59.1 Dark Down 72.9 159.0 Up 05:51:19 - 06:21:19 -5567
Gardnerville 06:06:23 -58.7 Dark Down 72.8 157.2 Up 05:51:23 - 06:21:23 -5571
Hawthorne 06:06:18 -59.7 Dark Down 73.5 160.0 Up 05:51:18 - 06:21:18 -5617
Tonopah 06:06:13 -60.9 Dark Down 74.3 164.0 Up 05:51:13 - 06:21:13 -5669
Lee Vining 06:06:19 -59.6 Dark Down 73.9 157.8 Up 05:51:19 - 06:21:19 -5677
Bishop 06:06:17 -60.3 Dark Down 74.7 159.4 Up 05:51:17 - 06:21:17 -5742
Beatty 06:06:12 -61.7 Dark Down 75.5 164.4 Up 05:51:12 - 06:21:12 -5794
Indian Springs 06:06:07 -62.6 Dark Down 76.0 168.0 Up 05:51:07 - 06:21:07 -5829
Henderson 06:06:05 -63.3 Dark Down 76.7 170.2 Up 05:51:05 - 06:21:05 -5886
Searchlight/Boulder City 06:06:05 -63.6 Dark Down 77.2 170.0 Up 05:51:05 - 06:21:05 -5948
Patrick 06:06:02 -64.4 Dark Down 77.4 174.4 Up 05:51:02 - 06:21:02 -5953
CPSLO 06:06:26 -59.4 Dark Down 75.7 148.5 Up 05:51:26 - 06:21:26 -5960
Kingman/Dolan Springs 06:06:02 -64.4 Dark Down 77.6 173.5 Up 05:51:02 - 06:21:02 -5978
Laughlin/Bullhead City 06:06:04 -64.0 Dark Down 77.6 171.3 Up 05:51:04 - 06:21:04 -5981
DCO 06:05:58 -65.1 Dark Down 77.8 177.2 Up 05:50:58 - 06:20:58 -5985
Mohave Valley 06:06:04 -64.1 Dark Down 77.8 171.1 Up 05:51:04 - 06:21:04 -6010
Lake Havasu City 06:06:03 -64.5 Dark Down 78.3 171.9 Up 05:51:03 - 06:21:03 -6053
Parker 06:06:02 -64.6 Dark Down 78.6 171.8 Up 05:51:02 - 06:21:02 -6092
Wildwood 06:06:19 -61.4 Dark Down 77.6 153.3 Up 05:51:19 - 06:21:19 -6096
George/Scottsdale 06:05:53 -66.6 Dark Down 79.1 183.2 Up 05:50:53 - 06:20:53 -6134
Idyllwild 06:06:12 -63.0 Dark Down 78.5 160.4 Up 05:51:12 - 06:21:12 -6136
Blythe 06:06:04 -64.6 Dark Down 79.1 170.0 Up 05:51:04 - 06:21:04 -6149
Calipatria 06:06:07 -64.1 Dark Down 79.4 164.9 Up 05:51:07 - 06:21:07 -6203
Yuma 06:06:04 -64.9 Dark Down 80.0 168.9 Up 05:51:04 - 06:21:04 -6250

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 00WT169, (2021/01/13 06:06UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 15.75 149
Alhena         06:37:42.8 +16:23:57  1.9  9.58 162
3 Gem          06:09:44.0 +23:06:48  5.5  0.53 158
PPM 095439     06:07:46.8 +22:42:28  8.3  0.16 158
00WT169        06:07:41.7 +22:52:08 15.4       158
Positions are for J2000

Event circumstances last updated at 2020/06/22 21:30:35 UT

Marc W. Buie, Southwest Research Institute

RECON