RECON: TNO occultation with 10LB136

Event between 10LB136 and star GA0720:32646590 with event index number of 323005

Geocentric closest approach at 2020/07/01 08:31:08 UTC

J2000 position of star is 19:56:51.9 -16:45:46
Equinox of date position of star is 19:58:01.0 -16:42:28
Stellar brightness G=15.7, use SENSEUP=128
Star is 68 degrees from the moon. Moon is 82% illuminated.
TNO apparent brightness V=24.6

[RECON map]
TNO is 29.0 AU from the Sun and 28.1 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 101 seconds.
The 1-sigma cross-track error in the shadow position is 1168 km.
The sky-plane scale is 20352.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=313.3 km assuming a 5% albedo -- 2.8 sec chord
Diameter=127.9 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10LB136, (2020/07/01 08:31UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:46.7 -29:30:47  1.2 43.19 104
Nunki          18:56:32.1 -26:16:10  2.0 17.18  53
61 Sgr         19:59:06.7 -15:26:08  5.0  1.30  68
PPM 236718     19:57:58.6 -16:33:34  8.4  0.15  68
10LB136        19:58:02.1 -16:42:25 15.7        68
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 12.2 km RECON observability=1.0 and success probability=0.0%
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 08:30:42 -16.4 AT Up 22.3 168.6 Low 08:21:48 - 08:39:37 7753
Kelowna 08:30:43 -16.8 AT Up 22.7 168.4 Low 08:21:49 - 08:39:38 7740
Peachland 08:30:44 -16.9 AT Up 22.7 168.1 Low 08:21:49 - 08:39:38 7739
Summerland 08:30:45 -17.1 AT Up 22.9 168.2 Low 08:21:50 - 08:39:39 7732
Victoria 08:30:57 -18.4 Dark Up 23.4 164.3 Low 08:22:03 - 08:39:52 7732
Penticton 08:30:44 -17.1 AT Up 23.0 168.3 Low 08:21:49 - 08:39:38 7728
Oliver 08:30:45 -17.5 AT Up 23.3 168.3 Low 08:21:50 - 08:39:39 7714
Anarchist Mountain Observatory 08:30:44 -17.6 AT Up 23.5 168.5 Low 08:21:50 - 08:39:39 7705
Tonasket 08:30:44 -17.9 AT Up 23.8 168.4 Low 08:21:50 - 08:39:39 7692
Okanogan 08:30:45 -18.3 Dark Up 24.1 168.2 Low 08:21:50 - 08:39:39 7680
Brewster 08:30:47 -18.6 Dark Up 24.3 168.0 Low 08:21:52 - 08:39:41 7671
Manson/Chelan 08:30:48 -18.8 Dark Up 24.5 167.6 Low 08:21:54 - 08:39:43 7667
Entiat 08:30:48 -19.0 Dark Up 24.7 167.5 Low 08:21:54 - 08:39:43 7658
Wenatchee 08:30:48 -19.3 Dark Up 24.9 167.3 Low 08:21:54 - 08:39:43 7648
Ellensburg 08:30:50 -19.7 Dark Up 25.3 167.1 Low 08:21:56 - 08:39:45 7633
Yakima 08:30:51 -20.1 Dark Up 25.7 167.0 Low 08:21:57 - 08:39:46 7615
Toppenish/White Swan 08:30:50 -20.3 Dark Up 25.9 167.2 Low 08:21:55 - 08:39:44 7603
Goldendale 08:30:53 -20.9 Dark Up 26.4 166.7 Low 08:21:58 - 08:39:47 7583
Pasco 08:30:45 -20.3 Dark Up 26.2 168.5 Low 08:21:51 - 08:39:40 7581
The Dalles 08:30:54 -21.2 Dark Up 26.6 166.3 Low 08:21:59 - 08:39:48 7577
PNWRO 08:30:46 -20.6 Dark Up 26.5 168.7 Low 08:21:51 - 08:39:40 7566
Maupin 08:30:54 -21.6 Dark Up 27.0 166.3 Low 08:22:00 - 08:39:49 7556
Sisters 08:30:57 -22.5 Dark Up 27.8 165.7 Low 08:22:03 - 08:39:52 7521
Redmond 08:30:56 -22.5 Dark Up 27.9 166.1 Low 08:22:01 - 08:39:50 7514
Bend 08:30:57 -22.7 Dark Up 28.0 165.9 Low 08:22:02 - 08:39:51 7506
Oregon Observatory 08:30:57 -22.9 Dark Up 28.2 165.8 Low 08:22:03 - 08:39:52 7499
La Pine/Gilchrist 08:30:58 -23.1 Dark Up 28.4 165.7 Low 08:22:03 - 08:39:52 7490
North Lake 08:30:56 -23.5 Dark Up 28.9 166.3 Low 08:22:02 - 08:39:51 7460
Paisley 08:30:56 -24.0 Dark Up 29.5 166.6 Low 08:22:01 - 08:39:50 7427
Klamath Falls 08:31:01 -24.5 Dark Up 29.7 165.2 Low 08:22:07 - 08:39:56 7419
Lakeview 08:30:56 -24.5 Dark Up 30.0 166.7 Up 08:22:01 - 08:39:50 7398
Cedarville 08:30:56 -25.1 Dark Up 30.7 166.8 Up 08:22:01 - 08:39:50 7360
Fall River/Burney 08:31:01 -25.7 Dark Up 30.9 165.5 Up 08:22:07 - 08:39:56 7351
Susanville 08:30:59 -26.3 Dark Up 31.7 166.2 Up 08:22:04 - 08:39:53 7306
Greenville 08:31:01 -26.6 Dark Up 31.9 165.8 Up 08:22:06 - 08:39:55 7295
Gimple 08:31:01 -26.6 Dark Up 31.9 165.9 Up 08:22:07 - 08:39:56 7294
Quincy 08:31:01 -26.8 Dark Up 32.1 165.8 Up 08:22:07 - 08:39:56 7283
Portola 08:30:59 -26.9 Dark Up 32.3 166.3 Up 08:22:04 - 08:39:53 7270
Reno 08:30:58 -27.1 Dark Up 32.7 167.0 Up 08:22:03 - 08:39:52 7245
Carson City 08:30:58 -27.4 Dark Up 33.0 166.9 Up 08:22:03 - 08:39:52 7224
Gardnerville 08:30:58 -27.6 Dark Up 33.3 167.0 Up 08:22:03 - 08:39:52 7210
Yerington 08:30:55 -27.5 Dark Up 33.3 167.6 Up 08:22:01 - 08:39:50 7204
Hawthorne 08:30:54 -27.9 Dark Up 33.9 168.1 Up 08:21:59 - 08:39:48 7168
Lee Vining 08:30:57 -28.6 Dark Up 34.4 167.5 Up 08:22:02 - 08:39:51 7143
Tonopah 08:30:49 -28.2 Dark Up 34.5 169.7 Up 08:21:54 - 08:39:43 7119
Bishop 08:30:55 -29.1 Dark Up 35.1 168.3 Up 08:22:00 - 08:39:49 7095
Beatty 08:30:49 -29.3 Dark Up 35.8 170.1 Up 08:21:54 - 08:39:43 7040
Niwot 08:30:02 -23.8 Dark Up 33.1 183.4 Up 08:21:07 - 08:38:56 7019
SwRI 08:30:02 -23.9 Dark Up 33.2 183.3 Up 08:21:08 - 08:38:57 7014
Indian Springs 08:30:45 -29.5 Dark Up 36.2 171.3 Up 08:21:50 - 08:39:39 7001
CPSLO 08:31:06 -31.3 Dark Up 36.7 165.3 Up 08:22:11 - 08:40:00 7001
Henderson 08:30:42 -29.9 Dark Up 36.8 172.0 Up 08:21:47 - 08:39:36 6955
Searchlight/Boulder City 08:30:43 -30.4 Dark Up 37.4 172.0 Up 08:21:49 - 08:39:38 6917
Patrick 08:30:39 -30.3 Dark Up 37.6 173.3 Up 08:21:45 - 08:39:34 6895
Laughlin/Bullhead City 08:30:43 -30.6 Dark Up 37.7 172.4 Up 08:21:48 - 08:39:37 6891
Wildwood 08:30:59 -32.3 Dark Up 38.2 167.5 Up 08:22:04 - 08:39:53 6890
Kingman/Dolan Springs 08:30:41 -30.5 Dark Up 37.8 173.0 Up 08:21:46 - 08:39:35 6884
Mohave Valley 08:30:42 -30.9 Dark Up 38.0 172.4 Up 08:21:48 - 08:39:37 6873
DCO 08:30:37 -30.4 Dark Up 37.9 174.1 Up 08:21:42 - 08:39:31 6862
Lake Havasu City 08:30:42 -31.3 Dark Up 38.4 172.7 Up 08:21:47 - 08:39:36 6843
Idyllwild 08:30:52 -32.4 Dark Up 38.9 169.7 Up 08:21:58 - 08:39:47 6836
Parker 08:30:42 -31.6 Dark Up 38.8 172.7 Up 08:21:47 - 08:39:36 6819
Blythe 08:30:43 -32.2 Dark Up 39.3 172.2 Up 08:21:49 - 08:39:38 6789
Calipatria 08:30:49 -32.8 Dark Up 39.6 171.1 Up 08:21:54 - 08:39:43 6772
George/Scottsdale 08:30:32 -31.5 Dark Up 39.4 175.6 Up 08:21:38 - 08:39:27 6744
Yuma 08:30:45 -33.1 Dark Up 40.2 172.1 Up 08:21:50 - 08:39:39 6727

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 10LB136, (2020/07/01 08:31UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:23  1.2 43.19 104
Nunki          18:55:15.9 -26:17:49  2.0 17.18  53
61 Sgr         19:57:57.1 -15:29:31  5.0  1.30  68
PPM 236718     19:56:48.5 -16:36:56  8.4  0.15  68
10LB136        19:56:51.9 -16:45:46 15.7        68
Positions are for J2000

Event circumstances last updated at 2020/03/09 21:30:49 UT

Marc W. Buie, Southwest Research Institute

RECON