RECON: TNO occultation with 10GX34

Event between 10GX34 and star UC4-330-156316 with event index number of 303415

Geocentric closest approach at 2019/06/11 06:24:36 UTC

J2000 position of star is 18:27:52.4 -24:06:42
Equinox of date position of star is 18:29:01.5 -24:05:55
Stellar brightness R=15.1, use SENSEUP=128
Star is 93 degrees from the moon. Moon is 62% illuminated.
TNO apparent brightness V=20.7

[RECON map]
TNO is 16.6 AU from the Sun and 15.6 AU from the Earth.
The TNO is moving 19.6 km/sec on the sky relative to the star, or, 6.2 arcsec/hr.
The 1-sigma error in the time of the event is 147 seconds.
The 1-sigma cross-track error in the shadow position is 898 km.
The sky-plane scale is 11300.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.8 km assuming a 5% albedo -- 6.2 sec chord
Diameter=49.3 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10GX34, (2019/06/11 06:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 26.82  67
Nunki          18:56:28.2 -26:16:15  2.0  6.57  99
PPM 268291     18:22:43.2 -24:54:17  6.0  1.65  92
PPM 268473     18:30:27.8 -24:26:23  8.3  0.47  93
PPM 268427     18:28:31.5 -23:45:53  9.9  0.36  93
PPM 268424     18:28:21.3 -24:00:13 10.1  0.19  93
10GX34         18:29:03.8 -24:05:53 15.1        93
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 15.7 km RECON observability=0.2 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)
Kelowna 06:27:01 -14.3 AT Up 7.8 143.4 Really Low 06:14:16 - 06:39:47 5053
Summerland 06:27:02 -14.3 AT Up 7.7 143.1 Really Low 06:14:17 - 06:39:48 5044
Penticton 06:27:02 -14.6 AT Up 8.0 143.3 Really Low 06:14:17 - 06:39:48 5035
Okanagan Falls 06:27:03 -14.8 AT Up 8.2 143.2 Really Low 06:14:18 - 06:39:49 5026
Oliver 06:27:03 -15.0 AT Up 8.3 143.2 Really Low 06:14:18 - 06:39:49 5020
Anarchist Mountain Observatory 06:27:04 -15.2 AT Up 8.5 143.4 Really Low 06:14:18 - 06:39:49 5017
Oroville 06:27:04 -15.2 AT Up 8.6 143.3 Really Low 06:14:18 - 06:39:49 5012
Tonasket 06:27:04 -15.5 AT Up 8.8 143.3 Really Low 06:14:19 - 06:39:50 5002
Okanogan 06:27:06 -15.7 AT Up 9.0 143.2 Really Low 06:14:20 - 06:39:51 4985
Brewster 06:27:07 -15.9 AT Up 9.1 143.0 Really Low 06:14:22 - 06:39:53 4969
Manson/Chelan 06:27:09 -16.0 AT Up 9.1 142.6 Really Low 06:14:23 - 06:39:54 4951
Entiat 06:27:09 -16.2 AT Up 9.3 142.6 Really Low 06:14:24 - 06:39:55 4940
Wenatchee 06:27:11 -16.4 AT Up 9.4 142.5 Really Low 06:14:25 - 06:39:56 4926
Ellensburg 06:27:12 -16.8 AT Up 9.7 142.2 Really Low 06:14:27 - 06:39:58 4903
Pasco 06:27:10 -17.8 AT Up 10.9 143.3 Really Low 06:14:24 - 06:39:55 4900
PNWRO 06:27:10 -18.1 Dark Up 11.2 143.5 Really Low 06:14:24 - 06:39:55 4893
Yakima 06:27:13 -17.1 AT Up 10.0 142.2 Really Low 06:14:28 - 06:39:59 4884
George/Umatilla 06:27:11 -18.1 Dark Up 11.0 143.1 Really Low 06:14:26 - 06:39:57 4879
Niwot 06:26:36 -26.3 Dark Up 21.3 154.4 Low 06:13:50 - 06:39:21 4877
Toppenish/White Swan 06:27:13 -17.4 AT Up 10.2 142.3 Really Low 06:14:28 - 06:39:59 4877
Goldendale 06:27:16 -17.8 AT Up 10.5 141.9 Really Low 06:14:31 - 06:40:02 4841
The Dalles 06:27:17 -17.9 AT Up 10.5 141.6 Really Low 06:14:32 - 06:40:03 4822
Maupin 06:27:18 -18.3 Dark Up 10.9 141.6 Really Low 06:14:33 - 06:40:04 4804
Madras/Culver 06:27:20 -18.8 Dark Up 11.3 141.5 Really Low 06:14:34 - 06:40:05 4776
Redmond 06:27:21 -19.1 Dark Up 11.6 141.4 Really Low 06:14:36 - 06:40:07 4757
Sisters 06:27:22 -19.0 Dark Up 11.4 141.1 Really Low 06:14:37 - 06:40:08 4749
Bend 06:27:22 -19.3 Dark Up 11.7 141.3 Really Low 06:14:36 - 06:40:07 4743
Oregon Observatory 06:27:23 -19.4 Dark Up 11.8 141.2 Really Low 06:14:38 - 06:40:09 4731
La Pine/Gilchrist 06:27:23 -19.6 Dark Up 11.9 141.1 Really Low 06:14:38 - 06:40:09 4719
North Lake 06:27:23 -20.1 Dark Up 12.5 141.5 Really Low 06:14:37 - 06:40:08 4710
Paisley 06:27:23 -20.7 Dark Up 13.1 141.7 Really Low 06:14:38 - 06:40:09 4690
Lakeview 06:27:23 -21.3 Dark Up 13.6 141.8 Really Low 06:14:38 - 06:40:09 4668
Chiloquin 06:27:27 -20.5 Dark Up 12.6 140.7 Really Low 06:14:42 - 06:40:13 4651
Cedarville 06:27:25 -21.9 Dark Up 14.2 141.9 Really Low 06:14:39 - 06:40:10 4636
Klamath Falls 06:27:28 -20.8 Dark Up 12.9 140.7 Really Low 06:14:42 - 06:40:13 4635
Tulelake 06:27:28 -21.1 Dark Up 13.3 140.9 Really Low 06:14:42 - 06:40:13 4628
Fall River/Burney 06:27:30 -22.0 Dark Up 14.0 140.8 Really Low 06:14:44 - 06:40:15 4580
Susanville 06:27:29 -22.8 Dark Up 14.8 141.3 Really Low 06:14:43 - 06:40:14 4563
Gimple 06:27:30 -23.0 Dark Up 15.0 141.1 Really Low 06:14:45 - 06:40:16 4542
Greenville 06:27:31 -23.0 Dark Up 14.9 141.0 Really Low 06:14:45 - 06:40:16 4540
Reno 06:27:28 -23.9 Dark Up 15.9 141.8 Really Low 06:14:43 - 06:40:14 4534
Portola 06:27:30 -23.4 Dark Up 15.4 141.4 Really Low 06:14:44 - 06:40:15 4533
Quincy 06:27:31 -23.2 Dark Up 15.1 141.0 Really Low 06:14:45 - 06:40:16 4528
Yerington 06:27:27 -24.6 Dark Up 16.7 142.3 Really Low 06:14:42 - 06:40:13 4518
Carson City 06:27:29 -24.2 Dark Up 16.2 141.8 Really Low 06:14:43 - 06:40:14 4513
Tonopah 06:27:23 -26.0 Dark Up 18.3 143.7 Really Low 06:14:37 - 06:40:08 4511
Hawthorne 06:27:27 -25.1 Dark Up 17.3 142.6 Really Low 06:14:41 - 06:40:12 4504
Gardnerville 06:27:29 -24.4 Dark Up 16.4 141.8 Really Low 06:14:44 - 06:40:15 4500
Indian Springs 06:27:20 -27.8 Dark Up 20.2 144.6 Low 06:14:34 - 06:40:05 4459
Lee Vining 06:27:29 -25.5 Dark Up 17.5 142.1 Really Low 06:14:44 - 06:40:15 4458
Beatty 06:27:23 -27.2 Dark Up 19.5 143.8 Really Low 06:14:38 - 06:40:09 4453
Henderson 06:27:19 -28.5 Dark Up 21.0 145.1 Low 06:14:33 - 06:40:04 4443
Bishop 06:27:28 -26.3 Dark Up 18.3 142.6 Really Low 06:14:42 - 06:40:13 4440
Patrick 06:27:16 -29.4 Dark Up 22.0 145.9 Low 06:14:30 - 06:40:01 4430
DCO 06:27:14 -29.8 Dark Up 22.6 146.4 Low 06:14:28 - 06:39:59 4428
Kingman/Dolan Springs 06:27:17 -29.5 Dark Up 22.1 145.7 Low 06:14:31 - 06:40:02 4412
Searchlight/Boulder City 06:27:20 -29.0 Dark Up 21.5 145.0 Low 06:14:34 - 06:40:05 4409
Lone Pine 06:27:28 -27.1 Dark Up 19.1 142.7 Really Low 06:14:43 - 06:40:14 4402
Laughlin/Bullhead City 06:27:19 -29.4 Dark Up 21.9 145.3 Low 06:14:33 - 06:40:04 4398
Mohave Valley 06:27:19 -29.7 Dark Up 22.1 145.2 Low 06:14:34 - 06:40:05 4381
Lake Havasu City 06:27:19 -30.1 Dark Up 22.6 145.3 Low 06:14:34 - 06:40:05 4362
Parker 06:27:20 -30.5 Dark Up 22.9 145.3 Low 06:14:34 - 06:40:05 4340
Blythe 06:27:22 -30.9 Dark Up 23.2 144.9 Low 06:14:36 - 06:40:07 4299
Idyllwild 06:27:29 -30.2 Dark Up 22.0 143.2 Low 06:14:44 - 06:40:15 4254
CPSLO 06:27:40 -27.5 Dark Up 18.8 140.4 Really Low 06:14:55 - 06:40:26 4254
Calipatria 06:27:26 -31.1 Dark Up 23.1 144.0 Low 06:14:40 - 06:40:11 4244
Yuma 06:27:23 -31.7 Dark Up 23.9 144.6 Low 06:14:38 - 06:40:09 4237
Wildwood 06:27:35 -29.3 Dark Up 20.8 141.7 Low 06:14:50 - 06:40:21 4229

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, (2019/06/11 06:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 26.82  67
Nunki          18:55:15.9 -26:17:49  2.0  6.57  99
PPM 268291     18:21:31.4 -24:54:54  6.0  1.65  92
PPM 268473     18:29:16.3 -24:27:13  8.3  0.47  93
PPM 268427     18:27:20.3 -23:46:41  9.9  0.36  93
PPM 268424     18:27:10.0 -24:01:00 10.1  0.19  93
10GX34         18:27:52.4 -24:06:42 15.1        93
Positions are for J2000

Event circumstances last updated at 2018/10/24 21:36:30 UT

Marc W. Buie, Southwest Research Institute

RECON