RECON: TNO occultation with 10GX34

Event between 10GX34 and star GA0660:35015464 with event index number of 304609

Geocentric closest approach at 2020/07/28 07:03:48 UTC

J2000 position of star is 18:47:31.3 -22:16:59
Equinox of date position of star is 18:48:45.2 -22:15:34
Stellar brightness G=16.2, use SENSEUP=128
Star is 55 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 16.6 AU from the Sun and 15.7 AU from the Earth.
The TNO is moving 18.1 km/sec on the sky relative to the star, or, 5.7 arcsec/hr.
The 1-sigma error in the time of the event is 358 seconds.
The 1-sigma cross-track error in the shadow position is 1931 km.
The sky-plane scale is 11357.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=120.8 km assuming a 5% albedo -- 3.3 sec chord
Diameter=49.3 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10GX34, (2020/07/28 07:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.3 -26:28:33  0.9 31.63  25
Nunki          18:56:32.4 -26:16:10  2.0  4.38  57
28 Sgr         18:47:35.0 -22:22:08  4.9  0.29  55
PPM 268962     18:51:54.4 -22:14:28  8.2  0.73  56
PPM 268893     18:48:12.1 -22:16:11  9.0  0.13  55
10GX34         18:48:45.6 -22:15:33 16.2        55
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 2.5 sigma about the mid-time.
The median site spacing is 13.0 km RECON observability=0.8 and success probability=4.3%
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 07:03:07 -19.6 Dark Up 16.8 190.6 Really Low 06:48:07 - 07:18:07 4350
Kelowna 07:03:08 -20.0 Dark Up 17.2 190.5 Really Low 06:48:08 - 07:18:08 4337
Peachland 07:03:08 -20.0 Dark Up 17.4 190.2 Really Low 06:48:08 - 07:18:08 4335
Summerland 07:03:08 -20.2 Dark Up 17.5 190.3 Really Low 06:48:08 - 07:18:08 4329
Penticton 07:03:07 -20.3 Dark Up 17.5 190.4 Really Low 06:48:07 - 07:18:07 4326
Oliver 07:03:07 -20.6 Dark Up 17.9 190.5 Really Low 06:48:07 - 07:18:07 4314
Anarchist Mountain Observatory 07:03:07 -20.8 Dark Up 18.0 190.6 Really Low 06:48:07 - 07:18:07 4308
Victoria 07:03:22 -20.5 Dark Up 18.9 186.8 Really Low 06:48:22 - 07:18:22 4304
Tonasket 07:03:07 -21.1 Dark Up 18.4 190.6 Really Low 06:48:07 - 07:18:07 4296
Okanogan 07:03:07 -21.4 Dark Up 18.7 190.5 Really Low 06:48:07 - 07:18:07 4284
Brewster 07:03:07 -21.6 Dark Up 19.0 190.3 Really Low 06:48:07 - 07:18:07 4275
Manson/Chelan 07:03:09 -21.7 Dark Up 19.2 190.0 Really Low 06:48:09 - 07:18:09 4269
Entiat 07:03:09 -21.9 Dark Up 19.5 189.9 Really Low 06:48:09 - 07:18:09 4260
Wenatchee 07:03:09 -22.2 Dark Up 19.7 189.8 Really Low 06:48:09 - 07:18:09 4251
Ellensburg 07:03:10 -22.5 Dark Up 20.2 189.6 Low 06:48:10 - 07:18:10 4236
Yakima 07:03:09 -22.9 Dark Up 20.6 189.6 Low 06:48:09 - 07:18:09 4220
Toppenish/White Swan 07:03:09 -23.1 Dark Up 20.8 189.8 Low 06:48:09 - 07:18:09 4210
Pasco 07:03:03 -23.5 Dark Up 20.7 191.1 Low 06:48:03 - 07:18:03 4199
Goldendale 07:03:10 -23.6 Dark Up 21.4 189.4 Low 06:48:10 - 07:18:10 4189
PNWRO 07:03:02 -23.8 Dark Up 20.9 191.3 Low 06:48:02 - 07:18:02 4188
The Dalles 07:03:11 -23.7 Dark Up 21.6 189.1 Low 06:48:11 - 07:18:11 4181
Maupin 07:03:10 -24.1 Dark Up 22.0 189.2 Low 06:48:10 - 07:18:10 4163
Sisters 07:03:12 -24.9 Dark Up 22.9 188.8 Low 06:48:12 - 07:18:12 4127
Redmond 07:03:10 -25.0 Dark Up 22.9 189.2 Low 06:48:10 - 07:18:10 4124
Bend 07:03:11 -25.2 Dark Up 23.1 189.1 Low 06:48:11 - 07:18:11 4115
Oregon Observatory 07:03:11 -25.3 Dark Up 23.3 189.0 Low 06:48:11 - 07:18:11 4108
La Pine/Gilchrist 07:03:11 -25.5 Dark Up 23.5 188.9 Low 06:48:11 - 07:18:11 4099
North Lake 07:03:09 -26.0 Dark Up 23.9 189.5 Low 06:48:09 - 07:18:09 4077
Paisley 07:03:06 -26.6 Dark Up 24.4 189.9 Low 06:48:06 - 07:18:06 4049
Klamath Falls 07:03:11 -26.8 Dark Up 25.0 188.7 Low 06:48:11 - 07:18:11 4032
Lakeview 07:03:05 -27.2 Dark Up 24.9 190.2 Low 06:48:05 - 07:18:05 4024
Cedarville 07:03:04 -27.8 Dark Up 25.5 190.4 Low 06:48:04 - 07:18:04 3991
Fall River/Burney 07:03:09 -28.0 Dark Up 26.1 189.2 Low 06:48:09 - 07:18:09 3972
Susanville 07:03:05 -28.8 Dark Up 26.7 190.0 Low 06:48:05 - 07:18:05 3937
Greenville 07:03:07 -29.0 Dark Up 27.0 189.7 Low 06:48:07 - 07:18:07 3924
Gimple 07:03:07 -29.0 Dark Up 27.0 189.8 Low 06:48:07 - 07:18:07 3924
Quincy 07:03:06 -29.2 Dark Up 27.2 189.7 Low 06:48:06 - 07:18:06 3914
Portola 07:03:04 -29.4 Dark Up 27.2 190.2 Low 06:48:04 - 07:18:04 3905
Reno 07:03:01 -29.8 Dark Up 27.4 190.9 Low 06:48:01 - 07:18:01 3888
Carson City 07:03:00 -30.1 Dark Up 27.8 191.0 Low 06:48:00 - 07:18:00 3869
Gardnerville 07:03:00 -30.4 Dark Up 28.0 191.0 Low 06:48:00 - 07:18:00 3855
Yerington 07:02:57 -30.5 Dark Up 27.8 191.6 Low 06:47:57 - 07:17:57 3855
Hawthorne 07:02:55 -31.0 Dark Up 28.2 192.2 Low 06:47:55 - 07:17:55 3826
Lee Vining 07:02:57 -31.5 Dark Up 28.9 191.8 Low 06:47:57 - 07:17:57 3799
Tonopah 07:02:48 -31.8 Dark Up 28.4 193.7 Low 06:47:48 - 07:17:48 3792
Niwot 07:01:57 -31.0 Dark Down 23.4 205.1 Low 06:46:57 - 07:16:57 3785
SwRI 07:01:58 -31.1 Dark Down 23.6 205.0 Low 06:46:58 - 07:16:58 3780
Bishop 07:02:53 -32.2 Dark Up 29.3 192.6 Low 06:47:53 - 07:17:53 3760
Beatty 07:02:45 -33.0 Dark Up 29.5 194.3 Low 06:47:45 - 07:17:45 3723
Indian Springs 07:02:40 -33.5 Dark Up 29.6 195.5 Low 06:47:40 - 07:17:40 3696
Henderson 07:02:36 -34.1 Dark Up 29.9 196.3 Low 06:47:36 - 07:17:36 3658
CPSLO 07:03:02 -33.6 Dark Up 31.7 190.5 Up 06:48:02 - 07:18:02 3652
Searchlight/Boulder City 07:02:34 -34.7 Dark Up 30.5 196.4 Up 06:47:34 - 07:17:34 3624
Patrick 07:02:30 -34.9 Dark Up 30.3 197.5 Up 06:47:30 - 07:17:30 3612
Laughlin/Bullhead City 07:02:33 -35.1 Dark Up 30.7 196.8 Up 06:47:33 - 07:17:33 3603
Kingman/Dolan Springs 07:02:31 -35.1 Dark Up 30.5 197.3 Up 06:47:31 - 07:17:31 3600
DCO 07:02:27 -35.3 Dark Up 30.4 198.3 Up 06:47:27 - 07:17:27 3587
Mohave Valley 07:02:33 -35.3 Dark Up 30.9 196.9 Up 06:47:33 - 07:17:33 3586
Wildwood 07:02:52 -35.3 Dark Up 32.5 192.8 Up 06:47:52 - 07:17:52 3567
Lake Havasu City 07:02:31 -35.8 Dark Up 31.3 197.2 Up 06:47:31 - 07:17:31 3559
Parker 07:02:31 -36.1 Dark Up 31.6 197.3 Up 06:47:31 - 07:17:31 3537
Idyllwild 07:02:42 -36.0 Dark Up 32.5 194.8 Up 06:47:42 - 07:17:42 3533
Blythe 07:02:32 -36.6 Dark Up 32.2 197.1 Up 06:47:32 - 07:17:32 3507
George/Scottsdale 07:02:19 -36.9 Dark Up 31.4 199.8 Up 06:47:19 - 07:17:19 3488
Calipatria 07:02:36 -36.9 Dark Up 32.9 196.2 Up 06:47:36 - 07:17:36 3484
Yuma 07:02:31 -37.5 Dark Up 33.1 197.2 Up 06:47:31 - 07:17:31 3448

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 10GX34, (2020/07/28 07:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 31.63  25
Nunki          18:55:15.9 -26:17:49  2.0  4.38  57
28 Sgr         18:46:20.7 -22:23:32  4.9  0.29  55
PPM 268962     18:50:40.1 -22:15:59  8.2  0.73  56
PPM 268893     18:46:57.8 -22:17:36  9.0  0.13  55
10GX34         18:47:31.3 -22:16:59 16.2        55
Positions are for J2000

Event circumstances last updated at 2020/06/21 05:26:36 UT

Marc W. Buie, Southwest Research Institute

RECON