RECON: TNO occultation with 10GX34

Event between 10GX34 and star GA0640:29820768 with event index number of 303446

Geocentric closest approach at 2019/06/19 10:23:21 UTC

J2000 position of star is 18:26:21.0 -24:05:57
Equinox of date position of star is 18:27:32.3 -24:05:11
Stellar brightness G=15.7, use SENSEUP=128
Star is 16 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=20.6

[RECON map]
TNO is 16.6 AU from the Sun and 15.6 AU from the Earth.
The TNO is moving 20.5 km/sec on the sky relative to the star, or, 6.5 arcsec/hr.
The 1-sigma error in the time of the event is 244 seconds.
The 1-sigma cross-track error in the shadow position is 1313 km.
The sky-plane scale is 11278.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.8 km assuming a 5% albedo -- 5.9 sec chord
Diameter=49.3 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10GX34, (2019/06/19 10:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 26.49  42
Nunki          18:56:28.3 -26:16:15  2.0  6.90  10
PPM 268291     18:22:43.3 -24:54:17  6.0  1.37  17
PPM 268419     18:27:52.8 -23:25:22  8.4  0.67  16
PPM 268401     18:27:22.1 -23:57:13  9.6  0.14  16
10GX34         18:27:32.4 -24:05:11 15.7        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 3.7 sigma about the mid-time.
The median site spacing is 15.2 km RECON observability=0.5 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 10:22:02 -10.1 NT Up 12.2 205.0 Really Low 10:07:02 - 10:37:02 7344
Summerland 10:22:03 -10.4 NT Up 12.6 204.8 Really Low 10:07:03 - 10:37:03 7337
Penticton 10:22:02 -10.5 NT Up 12.6 204.9 Really Low 10:07:02 - 10:37:02 7333
Okanagan Falls 10:22:02 -10.6 NT Up 12.8 204.9 Really Low 10:07:02 - 10:37:02 7327
Oliver 10:22:01 -10.8 NT Up 12.9 204.9 Really Low 10:07:01 - 10:37:01 7321
Anarchist Mountain Observatory 10:22:01 -10.8 NT Up 13.0 205.1 Really Low 10:07:01 - 10:37:01 7313
Oroville 10:22:00 -10.9 NT Up 13.1 205.0 Really Low 10:07:00 - 10:37:00 7312
Tonasket 10:22:00 -11.1 NT Up 13.3 205.1 Really Low 10:07:00 - 10:37:00 7303
Okanogan 10:22:00 -11.5 NT Up 13.7 205.0 Really Low 10:07:00 - 10:37:00 7293
Brewster 10:22:00 -11.8 NT Up 14.0 204.8 Really Low 10:07:00 - 10:37:00 7286
Manson/Chelan 10:22:00 -12.1 AT Up 14.3 204.5 Really Low 10:07:00 - 10:37:00 7282
Entiat 10:22:00 -12.3 AT Up 14.5 204.5 Really Low 10:07:00 - 10:37:00 7275
Wenatchee 10:22:00 -12.5 AT Up 14.8 204.4 Really Low 10:07:00 - 10:37:00 7266
Ellensburg 10:22:00 -13.0 AT Up 15.2 204.2 Really Low 10:07:00 - 10:37:00 7253
Yakima 10:22:00 -13.3 AT Up 15.6 204.3 Really Low 10:07:00 - 10:37:00 7238
Toppenish/White Swan 10:21:59 -13.4 AT Up 15.7 204.4 Really Low 10:06:59 - 10:36:59 7228
Goldendale 10:22:00 -14.1 AT Up 16.4 204.1 Really Low 10:07:00 - 10:37:00 7210
Pasco 10:21:54 -13.1 AT Up 15.5 205.6 Really Low 10:06:54 - 10:36:54 7208
The Dalles 10:22:01 -14.4 AT Up 16.7 203.8 Really Low 10:07:01 - 10:37:01 7205
George/Umatilla 10:21:54 -13.4 AT Up 15.8 205.4 Really Low 10:06:54 - 10:36:54 7198
PNWRO 10:21:53 -13.2 AT Up 15.6 205.8 Really Low 10:06:53 - 10:36:53 7196
Maupin 10:21:59 -14.7 AT Up 17.0 204.0 Really Low 10:06:59 - 10:36:59 7187
Madras/Culver 10:21:58 -15.2 AT Up 17.5 204.0 Really Low 10:06:58 - 10:36:58 7165
Sisters 10:21:59 -15.6 AT Up 18.0 203.6 Really Low 10:06:59 - 10:36:59 7156
Redmond 10:21:58 -15.5 AT Up 17.9 204.0 Really Low 10:06:58 - 10:36:58 7150
Bend 10:21:58 -15.7 AT Up 18.1 203.9 Really Low 10:06:58 - 10:36:58 7143
Oregon Observatory 10:21:58 -15.9 AT Up 18.3 203.8 Really Low 10:06:58 - 10:36:58 7137
La Pine/Gilchrist 10:21:58 -16.1 AT Up 18.5 203.8 Really Low 10:06:58 - 10:36:58 7128
North Lake 10:21:55 -16.3 AT Up 18.7 204.4 Really Low 10:06:55 - 10:36:55 7102
Chiloquin 10:21:58 -17.2 AT Up 19.6 203.6 Really Low 10:06:58 - 10:36:58 7083
Paisley 10:21:53 -16.6 AT Up 19.1 204.8 Really Low 10:06:53 - 10:36:53 7073
Klamath Falls 10:21:57 -17.5 AT Up 19.9 203.7 Really Low 10:06:57 - 10:36:57 7066
Tulelake 10:21:55 -17.6 AT Up 20.1 204.0 Low 10:06:55 - 10:36:55 7050
Lakeview 10:21:52 -16.9 AT Up 19.5 205.0 Really Low 10:06:52 - 10:36:52 7048
Cedarville 10:21:50 -17.4 AT Up 20.1 205.3 Low 10:06:50 - 10:36:50 7015
Fall River/Burney 10:21:54 -18.3 Dark Up 20.9 204.2 Low 10:06:54 - 10:36:54 7006
Susanville 10:21:50 -18.6 Dark Up 21.2 205.0 Low 10:06:50 - 10:36:50 6967
Greenville 10:21:51 -18.9 Dark Up 21.6 204.8 Low 10:06:51 - 10:36:51 6956
Gimple 10:21:51 -18.9 Dark Up 21.6 204.9 Low 10:06:51 - 10:36:51 6955
Quincy 10:21:50 -19.1 Dark Up 21.8 204.8 Low 10:06:50 - 10:36:50 6946
Portola 10:21:48 -19.0 Dark Up 21.7 205.3 Low 10:06:48 - 10:36:48 6934
Reno 10:21:46 -18.9 Dark Up 21.8 205.9 Low 10:06:46 - 10:36:46 6913
Carson City 10:21:45 -19.2 Dark Up 22.1 206.0 Low 10:06:45 - 10:36:45 6894
Gardnerville 10:21:44 -19.4 Dark Up 22.3 206.1 Low 10:06:44 - 10:36:44 6881
Yerington 10:21:42 -19.1 Dark Up 22.0 206.6 Low 10:06:42 - 10:36:42 6876
Hawthorne 10:21:40 -19.3 Dark Up 22.3 207.2 Low 10:06:40 - 10:36:40 6844
Lee Vining 10:21:40 -19.9 Dark Up 22.9 206.8 Low 10:06:40 - 10:36:40 6821
Tonopah 10:21:34 -19.0 Dark Up 22.2 208.5 Low 10:06:34 - 10:36:34 6800
Bishop 10:21:37 -20.1 Dark Up 23.2 207.6 Low 10:06:37 - 10:36:37 6778
Lone Pine 10:21:34 -20.6 Dark Up 23.8 208.0 Low 10:06:34 - 10:36:34 6731
Beatty 10:21:30 -19.7 Dark Up 23.0 209.1 Low 10:06:30 - 10:36:30 6729
Niwot 10:20:56 -11.4 NT Up 15.4 218.3 Really Low 10:05:56 - 10:35:56 6702
SwRI 10:20:56 -11.5 NT Up 15.5 218.2 Really Low 10:05:56 - 10:35:56 6698
Indian Springs 10:21:25 -19.4 Dark Up 22.9 210.1 Low 10:06:25 - 10:36:25 6695
CPSLO 10:21:43 -22.8 Dark Up 25.9 205.9 Low 10:06:43 - 10:36:43 6692
Henderson 10:21:22 -19.5 Dark Up 23.1 210.9 Low 10:06:22 - 10:36:22 6653
Searchlight/Boulder City 10:21:20 -19.9 Dark Up 23.5 211.0 Low 10:06:20 - 10:36:20 6619
Patrick 10:21:16 -19.4 Dark Up 23.1 212.0 Low 10:06:16 - 10:36:16 6598
Laughlin/Bullhead City 10:21:19 -20.0 Dark Up 23.6 211.4 Low 10:06:19 - 10:36:19 6596
Wildwood 10:21:33 -22.9 Dark Up 26.2 208.1 Low 10:06:33 - 10:36:33 6593
Kingman/Dolan Springs 10:21:17 -19.7 Dark Up 23.4 211.8 Low 10:06:17 - 10:36:17 6588
Mohave Valley 10:21:18 -20.2 Dark Up 23.9 211.5 Low 10:06:18 - 10:36:18 6579
DCO 10:21:14 -19.3 Dark Up 23.1 212.6 Low 10:06:14 - 10:36:14 6568
Lake Havasu City 10:21:17 -20.4 Dark Up 24.1 211.8 Low 10:06:17 - 10:36:17 6551
Idyllwild 10:21:25 -22.2 Dark Up 25.8 209.9 Low 10:06:25 - 10:36:25 6543
Parker 10:21:16 -20.6 Dark Up 24.4 211.9 Low 10:06:16 - 10:36:16 6529
Blythe 10:21:17 -21.2 Dark Up 25.0 211.7 Low 10:06:17 - 10:36:17 6502
Calipatria 10:21:19 -22.1 Dark Up 25.8 211.0 Low 10:06:19 - 10:36:19 6487
Yuma 10:21:15 -21.9 Dark Up 25.8 211.9 Low 10:06:15 - 10:36:15 6445

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, (2019/06/19 10:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 26.49  42
Nunki          18:55:15.9 -26:17:49  2.0  6.90  10
PPM 268291     18:21:31.4 -24:54:54  6.0  1.37  17
PPM 268419     18:26:41.7 -23:26:08  8.4  0.67  16
PPM 268401     18:26:10.8 -23:57:59  9.6  0.14  16
10GX34         18:26:21.0 -24:05:57 15.7        16
Positions are for J2000

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

Marc W. Buie, Southwest Research Institute

RECON