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 06:11:44 UTC

J2000 position of star is 06:07:41.7 +22:52:08
Equinox of date position of star is 06:08:54.9 +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 297 seconds.
The 1-sigma cross-track error in the shadow position is 2025 km.
The sky-plane scale is 32028.2 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 06:12UT)
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 3.0 sigma about the mid-time.
The median site spacing is 23.8 km RECON observability=1.0 and success probability=7.1%
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 06:12:04 -53.5 Dark Down 62.3 169.5 Up 05:57:04 - 06:27:04 -3727
Peachland 06:12:06 -53.6 Dark Down 62.7 168.4 Up 05:57:06 - 06:27:06 -3776
Summerland 06:12:05 -53.8 Dark Down 62.9 168.6 Up 05:57:05 - 06:27:05 -3791
Penticton 06:12:05 -53.9 Dark Down 63.0 168.8 Up 05:57:05 - 06:27:05 -3798
Oliver 06:12:06 -54.1 Dark Down 63.3 168.6 Up 05:57:06 - 06:27:06 -3833
Anarchist Mountain Observatory 06:12:04 -54.3 Dark Down 63.5 169.0 Up 05:57:04 - 06:27:04 -3850
Tonasket 06:12:05 -54.5 Dark Down 63.8 168.7 Up 05:57:05 - 06:27:05 -3881
Victoria 06:12:17 -52.5 Dark Down 63.3 160.6 Up 05:57:17 - 06:27:17 -3892
Okanogan 06:12:05 -54.6 Dark Down 64.1 168.2 Up 05:57:05 - 06:27:05 -3915
Brewster 06:12:06 -54.7 Dark Down 64.4 167.7 Up 05:57:06 - 06:27:06 -3942
Manson/Chelan 06:12:07 -54.6 Dark Down 64.5 166.8 Up 05:57:07 - 06:27:07 -3962
Entiat 06:12:07 -54.7 Dark Down 64.7 166.6 Up 05:57:07 - 06:27:07 -3984
Wenatchee 06:12:08 -54.8 Dark Down 64.9 166.3 Up 05:57:08 - 06:27:08 -4010
Ellensburg 06:12:09 -55.0 Dark Down 65.3 165.6 Up 05:57:09 - 06:27:09 -4051
Yakima 06:12:09 -55.2 Dark Down 65.7 165.3 Up 05:57:09 - 06:27:09 -4093
Toppenish/White Swan 06:12:08 -55.4 Dark Down 65.9 165.6 Up 05:57:08 - 06:27:08 -4115
Pasco 06:12:04 -56.2 Dark Down 66.3 168.3 Up 05:57:04 - 06:27:04 -4129
PNWRO 06:12:04 -56.5 Dark Down 66.5 168.7 Up 05:57:04 - 06:27:04 -4154
Goldendale 06:12:10 -55.5 Dark Down 66.4 164.3 Up 05:57:10 - 06:27:10 -4171
The Dalles 06:12:11 -55.4 Dark Down 66.5 163.3 Up 05:57:11 - 06:27:11 -4193
Maupin 06:12:11 -55.7 Dark Down 67.0 163.3 Up 05:57:11 - 06:27:11 -4236
Sisters 06:12:13 -55.9 Dark Down 67.7 161.5 Up 05:57:13 - 06:27:13 -4326
Redmond 06:12:12 -56.2 Dark Down 67.8 162.4 Up 05:57:12 - 06:27:12 -4329
Bend 06:12:12 -56.2 Dark Down 68.0 162.0 Up 05:57:12 - 06:27:12 -4351
Oregon Observatory 06:12:13 -56.2 Dark Down 68.1 161.5 Up 05:57:13 - 06:27:13 -4369
La Pine/Gilchrist 06:12:13 -56.3 Dark Down 68.3 161.2 Up 05:57:13 - 06:27:13 -4390
North Lake 06:12:12 -56.9 Dark Down 68.9 162.3 Up 05:57:12 - 06:27:12 -4436
Paisley 06:12:10 -57.4 Dark Down 69.5 162.8 Up 05:57:10 - 06:27:10 -4495
Klamath Falls 06:12:14 -56.8 Dark Down 69.6 159.3 Up 05:57:14 - 06:27:14 -4541
Lakeview 06:12:10 -57.8 Dark Down 70.0 162.9 Up 05:57:10 - 06:27:10 -4548
Cedarville 06:12:09 -58.2 Dark Down 70.7 162.8 Up 05:57:09 - 06:27:09 -4617
Fall River/Burney 06:12:13 -57.6 Dark Down 70.8 159.1 Up 05:57:13 - 06:27:13 -4666
Niwot 06:11:17 -67.6 Dark Down 71.3 205.7 Up 05:56:17 - 06:26:17 -4727
Susanville 06:12:11 -58.4 Dark Down 71.6 160.5 Up 05:57:11 - 06:27:11 -4734
SwRI 06:11:17 -67.6 Dark Down 71.4 205.5 Up 05:56:17 - 06:26:17 -4739
Greenville 06:12:13 -58.4 Dark Down 71.8 159.4 Up 05:57:13 - 06:27:13 -4763
Gimple 06:12:12 -58.4 Dark Down 71.8 159.6 Up 05:57:12 - 06:27:12 -4763
Quincy 06:12:12 -58.5 Dark Down 72.0 159.1 Up 05:57:12 - 06:27:12 -4784
Portola 06:12:11 -58.8 Dark Down 72.2 160.4 Up 05:57:11 - 06:27:11 -4798
Reno 06:12:08 -59.4 Dark Down 72.6 162.0 Up 05:57:08 - 06:27:08 -4828
Carson City 06:12:08 -59.6 Dark Down 73.0 161.7 Up 05:57:08 - 06:27:08 -4866
Yerington 06:12:06 -60.1 Dark Down 73.3 163.4 Up 05:57:06 - 06:27:06 -4887
Gardnerville 06:12:08 -59.7 Dark Down 73.2 161.6 Up 05:57:08 - 06:27:08 -4892
Hawthorne 06:12:05 -60.7 Dark Down 73.9 164.6 Up 05:57:05 - 06:27:05 -4938
Tonopah 06:11:59 -61.9 Dark Down 74.6 168.9 Up 05:56:59 - 06:26:59 -4988
Lee Vining 06:12:06 -60.6 Dark Down 74.3 162.5 Up 05:57:06 - 06:27:06 -4997
Bishop 06:12:03 -61.4 Dark Down 75.0 164.3 Up 05:57:03 - 06:27:03 -5062
Beatty 06:11:58 -62.7 Dark Down 75.8 169.7 Up 05:56:58 - 06:26:58 -5112
Indian Springs 06:11:54 -63.6 Dark Down 76.2 173.5 Up 05:56:54 - 06:26:54 -5147
Henderson 06:11:51 -64.4 Dark Down 76.8 176.0 Up 05:56:51 - 06:26:51 -5204
Searchlight/Boulder City 06:11:51 -64.7 Dark Down 77.4 176.1 Up 05:56:51 - 06:26:51 -5266
Patrick 06:11:47 -65.5 Dark Down 77.5 180.5 Up 05:56:47 - 06:26:47 -5270
CPSLO 06:12:12 -60.5 Dark Down 76.3 153.5 Up 05:57:12 - 06:27:12 -5282
Kingman/Dolan Springs 06:11:48 -65.4 Dark Down 77.7 179.7 Up 05:56:48 - 06:26:48 -5294
Laughlin/Bullhead City 06:11:49 -65.1 Dark Down 77.7 177.4 Up 05:56:49 - 06:26:49 -5298
DCO 06:11:44 -66.1 Dark Down 77.7 183.5 Up 05:56:44 - 06:26:44 -5301
Mohave Valley 06:11:49 -65.2 Dark Down 78.0 177.4 Up 05:56:49 - 06:26:49 -5327
Lake Havasu City 06:11:48 -65.5 Dark Down 78.4 178.4 Up 05:56:48 - 06:26:48 -5370
Parker 06:11:49 -65.7 Dark Down 78.7 178.5 Up 05:56:49 - 06:26:49 -5408
Wildwood 06:12:05 -62.5 Dark Down 78.1 159.2 Up 05:57:05 - 06:27:05 -5416
George/Scottsdale 06:11:39 -67.7 Dark Down 79.0 190.1 Up 05:56:39 - 06:26:39 -5448
Idyllwild 06:11:57 -64.1 Dark Down 78.9 167.0 Up 05:56:57 - 06:26:57 -5455
Blythe 06:11:49 -65.7 Dark Down 79.2 177.0 Up 05:56:49 - 06:26:49 -5466
Calipatria 06:11:53 -65.2 Dark Down 79.7 172.1 Up 05:56:53 - 06:26:53 -5521
Yuma 06:11:49 -66.1 Dark Down 80.2 176.5 Up 05:56:49 - 06:26:49 -5567

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 06:12UT)
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 2020/02/06 19:25:01 UT

Marc W. Buie, Southwest Research Institute

RECON