RECON: TNO occultation with 10AW153

Event between 10AW153 and star GA1100:03368279 with event index number of 1566572

Geocentric closest approach at 2020/12/07 12:49:22 UTC

J2000 position of star is 11:51:53.1 +20:00:18
Equinox of date position of star is 11:52:57.8 +19:53:19
Stellar brightness G=15.4, use SENSEUP=128
Star is 16 degrees from the moon. Moon is 56% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 21.1 AU from the Sun and 21.1 AU from the Earth.
The TNO is moving 15.2 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 158 seconds.
The 1-sigma cross-track error in the shadow position is 1305 km.
The sky-plane scale is 15306.0 km/arcsec.

The TNO has an absolute magnitude Hv=9.1
Diameter=92.9 km assuming a 5% albedo -- 6.1 sec chord
Diameter=37.9 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10AW153, (2020/12/07 12:49UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:29.1 +11:51:51  1.3 26.11  11
Denebola       11:50:07.6 +14:27:18  2.1  5.48  14
92 Leo         11:41:52.2 +21:14:10  5.3  2.93  14
PPM 101467     11:53:35.5 +20:17:38  7.7  0.43  16
PPM 128606     11:52:12.1 +19:38:08 11.4  0.31  16
10AW153        11:52:57.8 +19:53:19 15.4        16
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 18.5 km RECON observability=1.0 and success probability=2.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 12:48:53 -29.3 Dark Up 51.4 126.1 Up 12:35:11 - 13:02:34 5348
Clarence Fulton 12:49:16 -26.6 Dark Up 52.4 133.3 Up 12:35:34 - 13:02:57 5287
Peachland 12:49:11 -26.9 Dark Up 52.5 132.1 Up 12:35:29 - 13:02:52 5274
Kelowna 12:49:14 -26.7 Dark Up 52.6 132.7 Up 12:35:32 - 13:02:55 5269
Summerland 12:49:11 -26.8 Dark Up 52.7 132.1 Up 12:35:30 - 13:02:53 5261
Penticton 12:49:11 -26.8 Dark Up 52.8 132.2 Up 12:35:30 - 13:02:53 5252
Oliver 12:49:09 -26.7 Dark Up 53.0 131.8 Up 12:35:27 - 13:02:50 5230
Anarchist Mountain Observatory 12:49:09 -26.6 Dark Up 53.2 131.9 Up 12:35:27 - 13:02:50 5212
Tonasket 12:49:07 -26.6 Dark Up 53.4 131.5 Up 12:35:25 - 13:02:48 5194
Okanogan 12:49:05 -26.7 Dark Up 53.5 131.0 Up 12:35:23 - 13:02:46 5179
Manson/Chelan 12:49:00 -27.0 Dark Up 53.5 129.7 Up 12:35:19 - 13:02:42 5172
Brewster 12:49:03 -26.8 Dark Up 53.6 130.4 Up 12:35:21 - 13:02:44 5170
Entiat 12:48:59 -27.1 Dark Up 53.6 129.4 Up 12:35:18 - 13:02:41 5161
Wenatchee 12:48:58 -27.1 Dark Up 53.7 128.9 Up 12:35:16 - 13:02:39 5149
Ellensburg 12:48:54 -27.3 Dark Up 53.9 128.2 Up 12:35:12 - 13:02:35 5132
Yakima 12:48:52 -27.2 Dark Up 54.1 127.7 Up 12:35:10 - 13:02:33 5106
Toppenish/White Swan 12:48:51 -27.1 Dark Up 54.3 127.7 Up 12:35:09 - 13:02:32 5085
The Dalles 12:48:44 -27.6 Dark Up 54.3 125.8 Up 12:35:03 - 13:02:26 5068
Goldendale 12:48:46 -27.4 Dark Up 54.4 126.5 Up 12:35:05 - 13:02:28 5067
Maupin 12:48:42 -27.5 Dark Up 54.6 125.4 Up 12:35:01 - 13:02:24 5036
Pasco 12:48:56 -26.2 Dark Up 55.1 129.3 Up 12:35:14 - 13:02:37 5022
Sisters 12:48:37 -27.8 Dark Up 54.8 123.7 Up 12:34:55 - 13:02:18 5000
PNWRO 12:48:54 -26.0 Dark Up 55.4 129.3 Up 12:35:13 - 13:02:36 4995
Redmond 12:48:37 -27.5 Dark Up 55.1 124.2 Up 12:34:55 - 13:02:18 4980
Bend 12:48:35 -27.6 Dark Up 55.1 123.8 Up 12:34:54 - 13:02:17 4973
Oregon Observatory 12:48:34 -27.7 Dark Up 55.1 123.4 Up 12:34:53 - 13:02:16 4967
La Pine/Gilchrist 12:48:32 -27.7 Dark Up 55.2 123.1 Up 12:34:51 - 13:02:14 4956
North Lake 12:48:32 -27.2 Dark Up 55.8 123.3 Up 12:34:51 - 13:02:14 4899
Klamath Falls 12:48:24 -27.8 Dark Up 55.8 120.9 Up 12:34:43 - 13:02:06 4869
Paisley 12:48:31 -26.9 Dark Up 56.3 123.1 Up 12:34:50 - 13:02:13 4844
Lakeview 12:48:29 -26.7 Dark Up 56.7 122.7 Up 12:34:47 - 13:02:10 4800
Fall River/Burney 12:48:19 -27.3 Dark Up 56.6 119.8 Up 12:34:38 - 13:02:01 4770
Cedarville 12:48:27 -26.5 Dark Up 57.2 122.0 Up 12:34:45 - 13:02:08 4746
Susanville 12:48:20 -26.7 Dark Up 57.4 119.9 Up 12:34:38 - 13:02:01 4690
Greenville 12:48:16 -26.9 Dark Up 57.4 119.1 Up 12:34:34 - 13:01:57 4684
Gimple 12:48:17 -26.8 Dark Up 57.4 119.2 Up 12:34:35 - 13:01:58 4680
Quincy 12:48:15 -26.9 Dark Up 57.4 118.8 Up 12:34:33 - 13:01:56 4669
Portola 12:48:17 -26.5 Dark Up 57.8 119.3 Up 12:34:36 - 13:01:59 4638
Reno 12:48:18 -25.9 Dark Up 58.4 119.7 Up 12:34:36 - 13:01:59 4587
Carson City 12:48:15 -25.9 Dark Up 58.6 119.2 Up 12:34:34 - 13:01:57 4560
Gardnerville 12:48:15 -25.8 Dark Up 58.7 118.9 Up 12:34:33 - 13:01:56 4539
Yerington 12:48:17 -25.4 Dark Up 59.1 119.7 Up 12:34:35 - 13:01:58 4514
Hawthorne 12:48:17 -24.9 Dark Up 59.7 119.7 Up 12:34:36 - 13:01:59 4454
Lee Vining 12:48:13 -25.2 Dark Up 59.6 118.3 Up 12:34:31 - 13:01:54 4436
Bishop 12:48:12 -24.5 Dark Up 60.4 118.2 Up 12:34:30 - 13:01:53 4355
Tonopah 12:48:21 -23.7 Dark Up 60.9 120.9 Up 12:34:39 - 13:02:02 4349
CPSLO 12:47:51 -26.0 Dark Up 59.6 112.2 Up 12:34:09 - 13:01:32 4313
Beatty 12:48:16 -23.1 Dark Up 61.8 119.7 Up 12:34:34 - 13:01:57 4238
Indian Springs 12:48:20 -22.2 Dark Up 62.7 120.6 Up 12:34:38 - 13:02:01 4158
Wildwood 12:47:54 -24.1 Dark Up 61.6 112.6 Up 12:34:13 - 13:01:36 4113
Henderson 12:48:20 -21.5 Dark Up 63.5 120.7 Up 12:34:38 - 13:02:01 4081
Searchlight/Boulder City 12:48:17 -21.3 Dark Up 63.8 119.8 Up 12:34:36 - 13:01:59 4033
Laughlin/Bullhead City 12:48:18 -21.0 Dark Up 64.2 119.7 Up 12:34:37 - 13:02:00 3991
Idyllwild 12:48:01 -22.4 Dark Up 63.2 114.2 Up 12:34:20 - 13:01:43 3987
Patrick 12:48:21 -20.5 Dark Up 64.6 121.2 Up 12:34:40 - 13:02:03 3975
Mohave Valley 12:48:16 -20.9 Dark Up 64.3 119.2 Up 12:34:34 - 13:01:57 3969
Kingman/Dolan Springs 12:48:19 -20.6 Dark Up 64.6 120.5 Up 12:34:38 - 13:02:01 3967
Niwot 12:49:23 -14.9 AT Up 66.6 145.0 Up 12:35:42 - 13:03:05 3938
SwRI 12:49:22 -15.0 AT Up 66.6 144.7 Up 12:35:41 - 13:03:04 3934
Lake Havasu City 12:48:16 -20.6 Dark Up 64.7 118.8 Up 12:34:34 - 13:01:57 3924
DCO 12:48:23 -19.8 Dark Up 65.2 121.7 Up 12:34:41 - 13:02:04 3915
Parker 12:48:14 -20.5 Dark Up 64.9 118.2 Up 12:34:33 - 13:01:56 3894
Calipatria 12:48:04 -21.3 Dark Up 64.4 114.6 Up 12:34:22 - 13:01:45 3876
Blythe 12:48:10 -20.7 Dark Up 64.9 116.8 Up 12:34:29 - 13:01:52 3867
Yuma 12:48:05 -20.5 Dark Up 65.3 114.9 Up 12:34:23 - 13:01:46 3794
George/Scottsdale 12:48:23 -18.4 Dark Up 66.9 121.0 Up 12:34:41 - 13:02:04 3734

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 10AW153, (2020/12/07 12:49UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 26.11  11
Denebola       11:49:02.9 +14:34:17  2.1  5.48  14
92 Leo         11:40:47.0 +21:21:09  5.3  2.93  14
PPM 101467     11:52:30.8 +20:24:37  7.7  0.43  16
PPM 128606     11:51:07.4 +19:45:07 11.4  0.31  16
10AW153        11:51:53.1 +20:00:18 15.4        16
Positions are for J2000

Event circumstances last updated at 2020/12/02 11:30:59 UT

Marc W. Buie, Southwest Research Institute

RECON