RECON: TNO occultation with 10370

Event between (10370) Hylonome and star GA0700:30842072 with event index number of 196528

Geocentric closest approach at 2019/06/11 05:58:05 UTC

J2000 position of star is 18:54:40.3 -18:38:31
Equinox of date position of star is 18:55:45.1 -18:37:03
Stellar brightness G=16.1, use SENSEUP=128
Star is 99 degrees from the moon. Moon is 61% 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 21.0 km/sec on the sky relative to the star, or, 4.5 arcsec/hr.
The 1-sigma error in the time of the event is 979 seconds.
The 1-sigma cross-track error in the shadow position is 3963 km.
The sky-plane scale is 16965.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.5 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10370, (2019/06/11 05:58UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.2 -26:28:25  0.9 34.31  67
Nunki          18:56:28.2 -26:16:15  2.0  7.66  99
PPM 235314     19:00:32.4 -19:15:05  6.5  1.29 100
PPM 235159     18:54:04.2 -18:14:03  7.6  0.56  99
PPM 235249     18:56:58.1 -18:30:26  8.6  0.30 100
10370          18:55:48.6 -18:36:58 16.1       100
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 0.9 sigma about the mid-time.
The median site spacing is 52.5 km RECON observability=0.1 and success probability=1.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 06:03:01 -13.0 AT Up 7.2 130.1 Really Low 05:48:01 - 06:18:01 9804
Oroville 06:03:03 -13.6 AT Up 7.7 130.2 Really Low 05:48:03 - 06:18:03 9777
Tonasket 06:03:03 -13.8 AT Up 7.8 130.2 Really Low 05:48:03 - 06:18:03 9766
Okanogan 06:03:05 -14.1 AT Up 8.0 130.0 Really Low 05:48:05 - 06:18:05 9747
Brewster 06:03:06 -14.3 AT Up 8.0 129.8 Really Low 05:48:06 - 06:18:06 9730
Manson/Chelan 06:03:08 -14.3 AT Up 8.0 129.5 Really Low 05:48:08 - 06:18:08 9713
Entiat 06:03:09 -14.5 AT Up 8.1 129.4 Really Low 05:48:09 - 06:18:09 9701
Wenatchee 06:03:10 -14.7 AT Up 8.2 129.3 Really Low 05:48:10 - 06:18:10 9686
Ellensburg 06:03:12 -15.0 AT Up 8.3 129.1 Really Low 05:48:12 - 06:18:12 9661
Pasco 06:03:11 -16.1 AT Up 9.6 130.2 Really Low 05:48:11 - 06:18:11 9645
Yakima 06:03:13 -15.4 AT Up 8.6 129.1 Really Low 05:48:13 - 06:18:13 9639
PNWRO 06:03:11 -16.4 AT Up 9.8 130.3 Really Low 05:48:11 - 06:18:11 9636
Toppenish/White Swan 06:03:14 -15.6 AT Up 8.8 129.2 Really Low 05:48:14 - 06:18:14 9630
George/Umatilla 06:03:13 -16.3 AT Up 9.7 129.9 Really Low 05:48:13 - 06:18:13 9624
Goldendale 06:03:16 -16.0 AT Up 8.9 128.8 Really Low 05:48:16 - 06:18:16 9593
The Dalles 06:03:17 -16.0 AT Up 8.9 128.5 Really Low 05:48:17 - 06:18:17 9575
Maupin 06:03:19 -16.4 AT Up 9.2 128.5 Really Low 05:48:19 - 06:18:19 9553
Madras/Culver 06:03:21 -16.9 AT Up 9.5 128.4 Really Low 05:48:21 - 06:18:21 9522
Niwot 06:02:51 -25.4 Dark Up 21.0 140.5 Low 05:47:51 - 06:17:51 9508
Redmond 06:03:22 -17.2 AT Up 9.7 128.3 Really Low 05:48:22 - 06:18:22 9501
Sisters 06:03:23 -17.0 AT Up 9.5 128.0 Really Low 05:48:23 - 06:18:23 9495
Bend 06:03:23 -17.3 AT Up 9.8 128.2 Really Low 05:48:23 - 06:18:23 9486
Oregon Observatory 06:03:24 -17.5 AT Up 9.8 128.1 Really Low 05:48:24 - 06:18:24 9474
La Pine/Gilchrist 06:03:24 -17.6 AT Up 9.9 128.0 Really Low 05:48:24 - 06:18:24 9461
North Lake 06:03:24 -18.2 Dark Up 10.5 128.4 Really Low 05:48:24 - 06:18:24 9446
Paisley 06:03:25 -18.8 Dark Up 11.1 128.6 Really Low 05:48:25 - 06:18:25 9420
Lakeview 06:03:26 -19.3 Dark Up 11.5 128.7 Really Low 05:48:26 - 06:18:26 9394
Chiloquin 06:03:29 -18.5 Dark Up 10.4 127.6 Really Low 05:48:29 - 06:18:29 9389
Klamath Falls 06:03:29 -18.8 Dark Up 10.7 127.6 Really Low 05:48:29 - 06:18:29 9370
Tulelake 06:03:30 -19.1 Dark Up 11.0 127.8 Really Low 05:48:30 - 06:18:30 9359
Cedarville 06:03:28 -20.0 Dark Up 12.0 128.7 Really Low 05:48:28 - 06:18:28 9357
Fall River/Burney 06:03:32 -20.0 Dark Up 11.6 127.7 Really Low 05:48:32 - 06:18:32 9305
Susanville 06:03:32 -20.8 Dark Up 12.4 128.2 Really Low 05:48:32 - 06:18:32 9279
Gimple 06:03:34 -20.9 Dark Up 12.5 127.9 Really Low 05:48:34 - 06:18:34 9258
Greenville 06:03:34 -20.9 Dark Up 12.4 127.9 Really Low 05:48:34 - 06:18:34 9256
Portola 06:03:34 -21.4 Dark Up 12.9 128.2 Really Low 05:48:34 - 06:18:34 9245
Quincy 06:03:34 -21.1 Dark Up 12.6 127.9 Really Low 05:48:34 - 06:18:34 9244
Reno 06:03:33 -21.9 Dark Up 13.5 128.6 Really Low 05:48:33 - 06:18:33 9240
Carson City 06:03:34 -22.2 Dark Up 13.7 128.6 Really Low 05:48:34 - 06:18:34 9217
Yerington 06:03:33 -22.6 Dark Up 14.2 129.0 Really Low 05:48:33 - 06:18:33 9217
Gardnerville 06:03:34 -22.4 Dark Up 13.9 128.6 Really Low 05:48:34 - 06:18:34 9202
Hawthorne 06:03:33 -23.2 Dark Up 14.8 129.3 Really Low 05:48:33 - 06:18:33 9196
Tonopah 06:03:31 -24.1 Dark Up 16.0 130.3 Really Low 05:48:31 - 06:18:31 9192
Lee Vining 06:03:36 -23.5 Dark Up 14.9 128.8 Really Low 05:48:36 - 06:18:36 9150
Bishop 06:03:35 -24.3 Dark Up 15.7 129.3 Really Low 05:48:35 - 06:18:35 9124
Beatty 06:03:32 -25.3 Dark Up 17.0 130.4 Really Low 05:48:32 - 06:18:32 9123
Indian Springs 06:03:31 -26.0 Dark Up 17.9 131.1 Really Low 05:48:31 - 06:18:31 9121
Henderson 06:03:29 -26.7 Dark Up 18.7 131.5 Really Low 05:48:29 - 06:18:29 9097
Lone Pine 06:03:36 -25.1 Dark Up 16.4 129.3 Really Low 05:48:36 - 06:18:36 9079
Patrick 06:03:28 -27.6 Dark Up 19.7 132.2 Really Low 05:48:28 - 06:18:28 9074
DCO 06:03:27 -28.1 Dark Up 20.4 132.7 Low 05:48:27 - 06:18:27 9065
Searchlight/Boulder City 06:03:31 -27.2 Dark Up 19.1 131.4 Really Low 05:48:31 - 06:18:31 9059
Kingman/Dolan Springs 06:03:29 -27.8 Dark Up 19.8 132.0 Really Low 05:48:29 - 06:18:29 9055
Laughlin/Bullhead City 06:03:31 -27.6 Dark Up 19.5 131.6 Really Low 05:48:31 - 06:18:31 9045
Mohave Valley 06:03:32 -27.9 Dark Up 19.7 131.5 Really Low 05:48:32 - 06:18:32 9026
Lake Havasu City 06:03:31 -28.3 Dark Up 20.1 131.6 Low 05:48:31 - 06:18:31 9002
Parker 06:03:32 -28.7 Dark Up 20.3 131.6 Low 05:48:32 - 06:18:32 8978
CPSLO 06:03:47 -25.2 Dark Up 15.6 127.2 Really Low 05:48:47 - 06:18:47 8939
Blythe 06:03:35 -29.0 Dark Up 20.5 131.2 Low 05:48:35 - 06:18:35 8935
Idyllwild 06:03:40 -28.2 Dark Up 19.1 129.6 Really Low 05:48:40 - 06:18:40 8904
Wildwood 06:03:45 -27.1 Dark Up 17.7 128.4 Really Low 05:48:45 - 06:18:45 8894
Calipatria 06:03:39 -29.1 Dark Up 20.2 130.4 Low 05:48:39 - 06:18:39 8883
Yuma 06:03:36 -29.9 Dark Up 21.1 130.9 Low 05:48:36 - 06:18:36 8868

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, (2019/06/11 05:58UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 34.31  67
Nunki          18:55:15.9 -26:17:49  2.0  7.66  99
PPM 235314     18:59:23.9 -19:16:46  6.5  1.29 100
PPM 235159     18:52:56.0 -18:15:33  7.6  0.56  99
PPM 235249     18:55:49.9 -18:32:01  8.6  0.30 100
10370          18:54:40.3 -18:38:31 16.1        99
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:16:53 UT

Marc W. Buie, Southwest Research Institute

RECON