RECON: TNO occultation with 10GX34

Event between 10GX34 and star GA0640:27577344 with event index number of 303582

Geocentric closest approach at 2019/07/19 08:42:05 UTC

J2000 position of star is 18:20:42.2 -24:02:16
Equinox of date position of star is 18:21:53.5 -24:01:40
Stellar brightness G=13.1, use SENSEUP=32
Star is 49 degrees from the moon. Moon is 94% 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 18.7 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 256 seconds.
The 1-sigma cross-track error in the shadow position is 1231 km.
The sky-plane scale is 11318.7 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.8 km assuming a 5% albedo -- 6.4 sec chord
Diameter=49.3 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10GX34, (2019/07/19 08:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.5 -26:28:25  0.9 25.23  74
Nunki          18:56:28.6 -26:16:15  2.0  8.14  41
PPM 268291     18:22:43.6 -24:54:17  6.0  0.90  49
PPM 268251     18:21:06.2 -23:18:20  7.9  0.74  49
PPM 268272     18:22:03.6 -23:55:58  9.2  0.10  49
10GX34         18:21:53.9 -24:01:40 13.1        49
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 3.5 sigma about the mid-time.
The median site spacing is 15.9 km RECON observability=0.3 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 08:40:29 -18.8 Dark Up 10.7 209.9 Really Low 08:25:29 - 08:55:29 8353
Summerland 08:40:30 -19.1 Dark Up 11.0 209.7 Really Low 08:25:30 - 08:55:30 8347
Penticton 08:40:29 -19.1 Dark Up 11.0 209.8 Really Low 08:25:29 - 08:55:29 8343
Okanagan Falls 08:40:28 -19.3 Dark Up 11.2 209.8 Really Low 08:25:28 - 08:55:28 8337
Oliver 08:40:28 -19.5 Dark Up 11.3 209.8 Really Low 08:25:28 - 08:55:28 8331
Anarchist Mountain Observatory 08:40:27 -19.6 Dark Up 11.4 210.0 Really Low 08:25:27 - 08:55:27 8323
Oroville 08:40:27 -19.7 Dark Up 11.5 209.9 Really Low 08:25:27 - 08:55:27 8321
Tonasket 08:40:27 -20.0 Dark Up 11.7 209.9 Really Low 08:25:27 - 08:55:27 8313
Okanogan 08:40:26 -20.3 Dark Up 12.1 209.9 Really Low 08:25:26 - 08:55:26 8303
Brewster 08:40:26 -20.6 Dark Up 12.4 209.7 Really Low 08:25:26 - 08:55:26 8295
Manson/Chelan 08:40:27 -20.8 Dark Up 12.7 209.4 Really Low 08:25:27 - 08:55:27 8292
Entiat 08:40:27 -21.1 Dark Up 12.9 209.4 Really Low 08:25:27 - 08:55:27 8285
Wenatchee 08:40:27 -21.3 Dark Up 13.1 209.3 Really Low 08:25:27 - 08:55:27 8277
Ellensburg 08:40:26 -21.8 Dark Up 13.6 209.2 Really Low 08:25:26 - 08:55:26 8264
Yakima 08:40:25 -22.2 Dark Up 13.9 209.2 Really Low 08:25:25 - 08:55:25 8248
Toppenish/White Swan 08:40:24 -22.4 Dark Up 14.1 209.4 Really Low 08:25:24 - 08:55:24 8238
Goldendale 08:40:25 -22.9 Dark Up 14.7 209.1 Really Low 08:25:25 - 08:55:25 8221
Pasco 08:40:19 -22.3 Dark Up 13.7 210.5 Really Low 08:25:19 - 08:55:19 8217
The Dalles 08:40:25 -23.2 Dark Up 15.0 208.8 Really Low 08:25:25 - 08:55:25 8216
George/Umatilla 08:40:19 -22.7 Dark Up 14.1 210.3 Really Low 08:25:19 - 08:55:19 8207
PNWRO 08:40:18 -22.6 Dark Up 13.9 210.7 Really Low 08:25:18 - 08:55:18 8205
Maupin 08:40:24 -23.6 Dark Up 15.3 208.9 Really Low 08:25:24 - 08:55:24 8198
Madras/Culver 08:40:23 -24.2 Dark Up 15.8 209.0 Really Low 08:25:23 - 08:55:23 8175
Sisters 08:40:23 -24.5 Dark Up 16.3 208.6 Really Low 08:25:23 - 08:55:23 8167
Redmond 08:40:22 -24.5 Dark Up 16.2 209.0 Really Low 08:25:22 - 08:55:22 8161
Bend 08:40:22 -24.7 Dark Up 16.4 208.9 Really Low 08:25:22 - 08:55:22 8153
Oregon Observatory 08:40:22 -24.9 Dark Up 16.6 208.8 Really Low 08:25:22 - 08:55:22 8147
La Pine/Gilchrist 08:40:22 -25.1 Dark Up 16.8 208.7 Really Low 08:25:22 - 08:55:22 8139
North Lake 08:40:19 -25.5 Dark Up 17.0 209.3 Really Low 08:25:19 - 08:55:19 8113
Chiloquin 08:40:21 -26.3 Dark Up 17.9 208.6 Really Low 08:25:21 - 08:55:21 8094
Paisley 08:40:17 -26.0 Dark Up 17.3 209.7 Really Low 08:25:17 - 08:55:17 8083
Klamath Falls 08:40:20 -26.6 Dark Up 18.2 208.7 Really Low 08:25:20 - 08:55:20 8077
Tulelake 08:40:19 -26.8 Dark Up 18.3 209.0 Really Low 08:25:19 - 08:55:19 8061
Lakeview 08:40:15 -26.5 Dark Up 17.7 210.0 Really Low 08:25:15 - 08:55:15 8057
Cedarville 08:40:13 -27.1 Dark Up 18.2 210.2 Really Low 08:25:13 - 08:55:13 8024
Fall River/Burney 08:40:16 -27.7 Dark Up 19.1 209.2 Really Low 08:25:16 - 08:55:16 8017
Susanville 08:40:12 -28.3 Dark Up 19.4 210.0 Really Low 08:25:12 - 08:55:12 7976
Greenville 08:40:13 -28.6 Dark Up 19.7 209.8 Really Low 08:25:13 - 08:55:13 7966
Gimple 08:40:12 -28.6 Dark Up 19.7 209.8 Really Low 08:25:12 - 08:55:12 7965
Quincy 08:40:12 -28.8 Dark Up 19.9 209.8 Really Low 08:25:12 - 08:55:12 7956
Portola 08:40:10 -28.9 Dark Up 19.8 210.2 Really Low 08:25:10 - 08:55:10 7944
Reno 08:40:07 -29.1 Dark Up 19.8 210.9 Really Low 08:25:07 - 08:55:07 7921
Carson City 08:40:06 -29.4 Dark Up 20.1 210.9 Low 08:25:06 - 08:55:06 7903
Gardnerville 08:40:06 -29.6 Dark Up 20.3 211.0 Low 08:25:06 - 08:55:06 7889
Yerington 08:40:04 -29.5 Dark Up 20.0 211.5 Low 08:25:04 - 08:55:04 7884
Hawthorne 08:40:00 -29.9 Dark Up 20.2 212.1 Low 08:25:00 - 08:55:00 7852
Lee Vining 08:40:01 -30.5 Dark Up 20.9 211.7 Low 08:25:01 - 08:55:01 7829
Tonopah 08:39:54 -30.1 Dark Up 20.0 213.3 Really Low 08:24:54 - 08:54:54 7806
Bishop 08:39:57 -31.0 Dark Up 21.1 212.5 Low 08:24:57 - 08:54:57 7785
Lone Pine 08:39:54 -31.7 Dark Up 21.6 212.9 Low 08:24:54 - 08:54:54 7738
Beatty 08:39:50 -31.2 Dark Up 20.8 214.0 Low 08:24:50 - 08:54:50 7735
CPSLO 08:40:02 -33.3 Dark Up 23.8 211.0 Low 08:25:02 - 08:55:02 7701
Indian Springs 08:39:45 -31.3 Dark Up 20.6 214.9 Low 08:24:45 - 08:54:45 7699
Niwot 08:39:17 -25.3 Dark Up 12.7 222.6 Really Low 08:24:17 - 08:54:17 7697
SwRI 08:39:17 -25.5 Dark Up 12.8 222.6 Really Low 08:24:17 - 08:54:17 7693
Henderson 08:39:41 -31.7 Dark Up 20.7 215.6 Low 08:24:41 - 08:54:41 7657
Searchlight/Boulder City 08:39:39 -32.2 Dark Up 21.1 215.8 Low 08:24:39 - 08:54:39 7622
Patrick 08:39:35 -32.1 Dark Up 20.7 216.7 Low 08:24:35 - 08:54:35 7601
Wildwood 08:39:50 -34.3 Dark Up 23.9 213.0 Low 08:24:50 - 08:54:50 7600
Laughlin/Bullhead City 08:39:38 -32.5 Dark Up 21.2 216.1 Low 08:24:38 - 08:54:38 7599
Kingman/Dolan Springs 08:39:35 -32.3 Dark Up 20.9 216.6 Low 08:24:35 - 08:54:35 7591
Mohave Valley 08:39:37 -32.7 Dark Up 21.4 216.2 Low 08:24:37 - 08:54:37 7582
DCO 08:39:32 -32.2 Dark Up 20.6 217.3 Low 08:24:32 - 08:54:32 7570
Lake Havasu City 08:39:35 -33.1 Dark Up 21.6 216.5 Low 08:24:35 - 08:54:35 7554
Idyllwild 08:39:43 -34.3 Dark Up 23.4 214.7 Low 08:24:43 - 08:54:43 7548
Parker 08:39:34 -33.4 Dark Up 21.9 216.6 Low 08:24:34 - 08:54:34 7532
Blythe 08:39:34 -34.0 Dark Up 22.5 216.5 Low 08:24:34 - 08:54:34 7505
Calipatria 08:39:37 -34.6 Dark Up 23.3 215.8 Low 08:24:37 - 08:54:37 7491
Yuma 08:39:32 -34.9 Dark Up 23.2 216.7 Low 08:24:32 - 08:54:32 7448

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, (2019/07/19 08:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.23  74
Nunki          18:55:15.9 -26:17:49  2.0  8.14  41
PPM 268291     18:21:31.4 -24:54:54  6.0  0.90  49
PPM 268251     18:19:54.9 -23:18:55  7.9  0.74  49
PPM 268272     18:20:51.9 -23:56:35  9.2  0.10  49
10GX34         18:20:42.2 -24:02:16 13.1        49
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:26:17 UT

Marc W. Buie, Southwest Research Institute

RECON