RECON: TNO occultation with 10370

Event between (10370) Hylonome and star GA0700:30694064 with event index number of 196547

Geocentric closest approach at 2019/06/19 05:26:44 UTC

J2000 position of star is 18:53:38.4 -18:39:29
Equinox of date position of star is 18:54:43.3 -18:38:02
Stellar brightness G=14.9, use SENSEUP=128
Star is 8 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 24.3 AU from the Sun and 23.4 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 917 seconds.
The 1-sigma cross-track error in the shadow position is 4270 km.
The sky-plane scale is 16937.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.2 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10370, (2019/06/19 05:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 34.08  40
Nunki          18:56:28.2 -26:16:15  2.0  7.65   8
PPM 235314     19:00:32.5 -19:15:05  6.5  1.50   7
PPM 235159     18:54:04.2 -18:14:03  7.6  0.43   8
PPM 235172     18:54:29.1 -18:45:40  8.6  0.15   8
10370          18:54:46.8 -18:37:58 14.9         8
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 1.0 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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)
Penticton 05:26:59 -9.6 CT Down 6.7 129.4 Really Low 05:11:59 - 05:41:59 10646
Oroville 05:27:01 -10.1 CT Up 7.2 129.5 Really Low 05:12:01 - 05:42:01 10619
Tonasket 05:27:01 -10.3 CT Up 7.3 129.5 Really Low 05:12:01 - 05:42:01 10608
Okanogan 05:27:03 -10.5 CT Up 7.5 129.3 Really Low 05:12:03 - 05:42:03 10589
Brewster 05:27:04 -10.7 CT Up 7.6 129.1 Really Low 05:12:04 - 05:42:04 10573
Manson/Chelan 05:27:06 -10.7 CT Up 7.5 128.8 Really Low 05:12:06 - 05:42:06 10556
Entiat 05:27:06 -10.8 CT Up 7.6 128.7 Really Low 05:12:06 - 05:42:06 10544
Wenatchee 05:27:07 -11.0 CT Up 7.7 128.6 Really Low 05:12:07 - 05:42:07 10529
Ellensburg 05:27:09 -11.3 CT Up 7.8 128.4 Really Low 05:12:09 - 05:42:09 10505
Pasco 05:27:08 -12.4 AT Up 9.1 129.5 Really Low 05:12:08 - 05:42:08 10489
Yakima 05:27:10 -11.6 CT Up 8.1 128.4 Really Low 05:12:10 - 05:42:10 10483
PNWRO 05:27:09 -12.7 AT Up 9.4 129.6 Really Low 05:12:09 - 05:42:09 10480
Toppenish/White Swan 05:27:10 -11.8 CT Up 8.3 128.5 Really Low 05:12:10 - 05:42:10 10475
George/Umatilla 05:27:10 -12.6 AT Up 9.2 129.2 Really Low 05:12:10 - 05:42:10 10468
Goldendale 05:27:14 -12.1 AT Up 8.4 128.1 Really Low 05:12:14 - 05:42:14 10438
The Dalles 05:27:14 -12.1 AT Up 8.4 127.8 Really Low 05:12:14 - 05:42:14 10419
Maupin 05:27:16 -12.5 AT Up 8.7 127.8 Really Low 05:12:16 - 05:42:16 10398
Madras/Culver 05:27:17 -12.9 AT Up 9.0 127.7 Really Low 05:12:17 - 05:42:17 10367
Niwot 05:26:50 -22.7 Dark Up 20.6 139.7 Low 05:11:50 - 05:41:50 10350
Redmond 05:27:18 -13.2 AT Up 9.2 127.6 Really Low 05:12:18 - 05:42:18 10347
Sisters 05:27:19 -13.0 AT Up 9.0 127.3 Really Low 05:12:19 - 05:42:19 10341
Bend 05:27:19 -13.3 AT Up 9.3 127.5 Really Low 05:12:19 - 05:42:19 10332
Oregon Observatory 05:27:21 -13.4 AT Up 9.3 127.4 Really Low 05:12:21 - 05:42:21 10320
La Pine/Gilchrist 05:27:21 -13.5 AT Up 9.4 127.3 Really Low 05:12:21 - 05:42:21 10307
North Lake 05:27:21 -14.2 AT Up 10.0 127.7 Really Low 05:12:21 - 05:42:21 10293
Paisley 05:27:22 -14.8 AT Up 10.5 127.9 Really Low 05:12:22 - 05:42:22 10267
Lakeview 05:27:23 -15.2 AT Up 11.0 128.0 Really Low 05:12:23 - 05:42:23 10240
Chiloquin 05:27:25 -14.3 AT Up 9.9 126.9 Really Low 05:12:25 - 05:42:25 10236
Klamath Falls 05:27:26 -14.6 AT Up 10.1 126.9 Really Low 05:12:26 - 05:42:26 10217
Tulelake 05:27:26 -14.9 AT Up 10.5 127.1 Really Low 05:12:26 - 05:42:26 10206
Cedarville 05:27:24 -15.9 AT Up 11.5 128.0 Really Low 05:12:24 - 05:42:24 10204
Fall River/Burney 05:27:28 -15.7 AT Up 11.1 127.0 Really Low 05:12:28 - 05:42:28 10152
Susanville 05:27:29 -16.5 AT Up 11.9 127.5 Really Low 05:12:29 - 05:42:29 10127
Gimple 05:27:30 -16.7 AT Up 11.9 127.3 Really Low 05:12:30 - 05:42:30 10106
Greenville 05:27:30 -16.6 AT Up 11.9 127.2 Really Low 05:12:30 - 05:42:30 10104
Portola 05:27:30 -17.1 AT Up 12.4 127.5 Really Low 05:12:30 - 05:42:30 10093
Quincy 05:27:31 -16.8 AT Up 12.0 127.2 Really Low 05:12:31 - 05:42:31 10092
Reno 05:27:29 -17.6 AT Up 12.9 128.0 Really Low 05:12:29 - 05:42:29 10088
Carson City 05:27:30 -17.9 AT Up 13.2 127.9 Really Low 05:12:30 - 05:42:30 10065
Yerington 05:27:29 -18.4 Dark Up 13.7 128.4 Really Low 05:12:29 - 05:42:29 10065
Gardnerville 05:27:31 -18.1 Dark Up 13.3 127.9 Really Low 05:12:31 - 05:42:31 10051
Hawthorne 05:27:29 -19.0 Dark Up 14.3 128.7 Really Low 05:12:29 - 05:42:29 10044
Tonopah 05:27:28 -20.0 Dark Up 15.4 129.6 Really Low 05:12:28 - 05:42:28 10040
Lee Vining 05:27:32 -19.2 Dark Up 14.3 128.2 Really Low 05:12:32 - 05:42:32 9999
Bishop 05:27:32 -20.0 Dark Up 15.2 128.6 Really Low 05:12:32 - 05:42:32 9973
Beatty 05:27:29 -21.2 Dark Up 16.5 129.7 Really Low 05:12:29 - 05:42:29 9972
Indian Springs 05:27:27 -21.9 Dark Up 17.3 130.4 Really Low 05:12:27 - 05:42:27 9969
Henderson 05:27:27 -22.7 Dark Up 18.1 130.8 Really Low 05:12:27 - 05:42:27 9945
Lone Pine 05:27:33 -20.8 Dark Up 15.8 128.7 Really Low 05:12:33 - 05:42:33 9928
Patrick 05:27:25 -23.7 Dark Up 19.2 131.5 Really Low 05:12:25 - 05:42:25 9922
DCO 05:27:24 -24.3 Dark Up 19.8 132.0 Really Low 05:12:24 - 05:42:24 9913
Searchlight/Boulder City 05:27:28 -23.2 Dark Up 18.5 130.8 Really Low 05:12:28 - 05:42:28 9907
Kingman/Dolan Springs 05:27:26 -23.8 Dark Up 19.2 131.3 Really Low 05:12:26 - 05:42:26 9904
Laughlin/Bullhead City 05:27:28 -23.6 Dark Up 18.9 130.9 Really Low 05:12:28 - 05:42:28 9893
Mohave Valley 05:27:28 -23.8 Dark Up 19.1 130.9 Really Low 05:12:28 - 05:42:28 9874
Lake Havasu City 05:27:28 -24.3 Dark Up 19.5 131.0 Really Low 05:12:28 - 05:42:28 9851
Parker 05:27:29 -24.6 Dark Up 19.8 130.9 Really Low 05:12:29 - 05:42:29 9827
CPSLO 05:27:42 -20.6 Dark Up 15.0 126.5 Really Low 05:12:42 - 05:42:42 9789
Blythe 05:27:32 -24.9 Dark Up 19.9 130.5 Really Low 05:12:32 - 05:42:32 9785
Idyllwild 05:27:37 -23.8 Dark Up 18.5 129.0 Really Low 05:12:37 - 05:42:37 9754
Wildwood 05:27:41 -22.6 Dark Up 17.1 127.7 Really Low 05:12:41 - 05:42:41 9744
Calipatria 05:27:35 -24.9 Dark Up 19.7 129.7 Really Low 05:12:35 - 05:42:35 9733
Yuma 05:27:34 -25.6 Dark Up 20.5 130.2 Low 05:12:34 - 05:42:34 9718

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 10370, (2019/06/19 05:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 34.08  40
Nunki          18:55:15.9 -26:17:49  2.0  7.65   8
PPM 235314     18:59:23.9 -19:16:46  6.5  1.50   7
PPM 235159     18:52:56.0 -18:15:33  7.6  0.43   8
PPM 235172     18:53:20.7 -18:47:11  8.6  0.15   8
10370          18:53:38.4 -18:39:29 14.9         8
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:18:19 UT

Marc W. Buie, Southwest Research Institute

RECON