RECON: TNO occultation with 14GV53

Event between 14GV53 and star UC4-430-064168 with event index number of 135606

Geocentric closest approach at 2017/09/16 02:34:59 UTC

J2000 position of star is 16:27:21.8 -04:02:04
Equinox of date position of star is 16:28:17.3 -04:04:21
Stellar brightness R=16.5, use SENSEUP=128
Star is 124 degrees from the moon. Moon is 20% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 36.9 AU from the Sun and 37.2 AU from the Earth.
The TNO is moving 17.2 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 211 seconds.
The 1-sigma cross-track error in the shadow position is 3458 km.
The sky-plane scale is 26968.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=325.1 km assuming a 5% albedo -- 18.9 sec chord
Diameter=132.7 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14GV53, (2017/09/16 02:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:29.8 -26:28:11  0.9 22.40 129
1Del Oph       16:15:16.5 -03:44:19  2.7  3.26 121
2Eps Oph       16:19:15.6 -04:44:04  3.2  2.35 122
PPM 199643     16:26:29.1 -03:54:21  8.3  0.48 123
PPM 199668     16:27:43.4 -03:49:17  9.5  0.29 124
14GV53         16:28:17.7 -04:04:23 16.5       124
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 4.3 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)
Niwot 02:34:40 -16.9 AT Down 31.5 231.4 Up 02:19:40 - 02:49:40 7446
Oroville 02:33:15 -4.7 CT Down 32.0 212.6 Up 02:18:15 - 02:48:15 7132
Tonasket 02:33:14 -4.7 CT Down 32.2 212.7 Up 02:18:14 - 02:48:14 7126
Okanogan 02:33:16 -4.7 CT Down 32.5 212.6 Up 02:18:16 - 02:48:16 7111
Brewster 02:33:18 -4.6 CT Down 32.8 212.5 Up 02:18:18 - 02:48:18 7095
Manson/Chelan 02:33:16 -4.4 CT Down 33.1 212.2 Up 02:18:16 - 02:48:16 7074
PNWRO 02:33:28 -5.5 CT Down 34.2 214.3 Up 02:18:28 - 02:48:28 7071
Pasco 02:33:28 -5.4 CT Down 34.1 214.0 Up 02:18:28 - 02:48:28 7068
Entiat 02:33:16 -4.3 CT Down 33.3 212.2 Up 02:18:16 - 02:48:16 7064
Wenatchee 02:33:19 -4.3 CT Down 33.6 212.2 Up 02:18:19 - 02:48:19 7053
George/Umatilla 02:33:28 -5.3 CT Down 34.4 213.9 Up 02:18:28 - 02:48:28 7049
Ellensburg 02:33:19 -4.2 CT Down 34.0 212.1 Up 02:18:19 - 02:48:19 7031
Toppenish/White Swan 02:33:22 -4.4 CT Down 34.5 212.5 Up 02:18:22 - 02:48:22 7018
Yakima 02:33:20 -4.3 CT Down 34.3 212.2 Up 02:18:20 - 02:48:20 7018
Goldendale 02:33:25 -4.2 CT Down 35.1 212.2 Up 02:18:25 - 02:48:25 6982
The Dalles 02:33:23 -4.0 CT Down 35.4 211.9 Up 02:18:23 - 02:48:23 6959
Maupin 02:33:25 -4.2 CT Down 35.7 212.2 Up 02:18:25 - 02:48:25 6950
Madras/Culver 02:33:26 -4.2 CT Down 36.2 212.3 Up 02:18:26 - 02:48:26 6929
DCO 02:34:39 -12.1 AT Down 39.6 226.2 Up 02:19:39 - 02:49:39 6924
Redmond 02:33:28 -4.2 CT Down 36.5 212.4 Up 02:18:28 - 02:48:28 6915
Patrick 02:34:34 -11.5 CT Down 39.8 225.3 Up 02:19:34 - 02:49:34 6904
Bend 02:33:29 -4.1 CT Down 36.8 212.3 Up 02:18:29 - 02:48:29 6901
Sisters 02:33:26 -3.9 CT Down 36.7 211.9 Up 02:18:26 - 02:48:26 6898
North Lake 02:33:33 -4.6 CT Down 37.3 213.2 Up 02:18:33 - 02:48:33 6891
Oregon Observatory 02:33:29 -4.1 CT Down 36.9 212.3 Up 02:18:29 - 02:48:29 6889
Paisley 02:33:37 -4.9 CT Down 37.6 213.8 Up 02:18:37 - 02:48:37 6887
Kingman/Dolan Springs 02:34:35 -11.4 CT Down 40.0 225.2 Up 02:19:35 - 02:49:35 6886
La Pine/Gilchrist 02:33:30 -4.1 CT Down 37.1 212.3 Up 02:18:30 - 02:48:30 6879
Henderson 02:34:28 -10.4 CT Down 40.0 223.7 Up 02:19:28 - 02:49:28 6878
Lakeview 02:33:41 -5.1 CT Down 37.9 214.3 Up 02:18:41 - 02:48:41 6877
Indian Springs 02:34:23 -9.8 CT Down 40.0 222.6 Up 02:19:23 - 02:49:23 6869
Cedarville 02:33:44 -5.4 CT Down 38.4 214.8 Up 02:18:44 - 02:48:44 6860
Tonopah 02:34:12 -8.3 CT Down 39.7 220.0 Up 02:19:12 - 02:49:12 6860
Laughlin/Bullhead City 02:34:33 -10.9 CT Down 40.4 224.6 Up 02:19:33 - 02:49:33 6860
Searchlight/Boulder City 02:34:32 -10.6 CT Down 40.3 224.1 Up 02:19:32 - 02:49:32 6857
Mohave Valley 02:34:35 -11.0 CT Down 40.5 224.8 Up 02:19:35 - 02:49:35 6848
Lake Havasu City 02:34:39 -11.3 CT Down 40.7 225.3 Up 02:19:39 - 02:49:39 6842
Beatty 02:34:17 -8.8 CT Down 40.3 221.2 Up 02:19:17 - 02:49:17 6832
Parker 02:34:39 -11.4 CT Down 40.9 225.6 Up 02:19:39 - 02:49:39 6827
Chiloquin 02:33:33 -4.0 CT Down 38.2 212.3 Up 02:18:33 - 02:48:33 6821
Tulelake 02:33:37 -4.3 CT Down 38.6 213.1 Up 02:18:37 - 02:48:37 6816
Hawthorne 02:34:05 -7.1 CT Down 40.0 218.1 Up 02:19:05 - 02:49:05 6812
Klamath Falls 02:33:34 -4.1 CT Down 38.5 212.6 Up 02:18:34 - 02:48:34 6812
Yerington 02:33:59 -6.6 CT Down 39.9 217.3 Up 02:18:59 - 02:48:59 6806
Reno 02:33:53 -6.0 CT Down 39.8 216.2 Up 02:18:53 - 02:48:53 6798
Susanville 02:33:48 -5.2 CT Down 39.5 214.8 Up 02:18:48 - 02:48:48 6793
Blythe 02:34:40 -11.3 CT Down 41.4 225.6 Up 02:19:40 - 02:49:40 6789
Carson City 02:33:56 -6.0 CT Down 40.1 216.4 Up 02:18:56 - 02:48:56 6784
Fall River/Burney 02:33:41 -4.5 CT Down 39.3 213.6 Up 02:18:41 - 02:48:41 6784
Portola 02:33:50 -5.4 CT Down 39.9 215.3 Up 02:18:50 - 02:48:50 6778
Gardnerville 02:33:56 -6.1 CT Down 40.3 216.6 Up 02:18:56 - 02:48:56 6776
Bishop 02:34:12 -7.5 CT Down 40.8 219.1 Up 02:19:12 - 02:49:12 6774
Gimple 02:33:47 -5.1 CT Down 39.8 214.7 Up 02:18:47 - 02:48:47 6772
Greenville 02:33:47 -5.0 CT Down 39.8 214.6 Up 02:18:47 - 02:48:47 6768
Lee Vining 02:34:05 -6.8 CT Down 40.7 217.9 Up 02:19:05 - 02:49:05 6765
Quincy 02:33:48 -5.0 CT Down 40.0 214.7 Up 02:18:48 - 02:48:48 6760
Lone Pine 02:34:13 -7.8 CT Down 41.2 219.9 Up 02:19:13 - 02:49:13 6757
Yuma 02:34:45 -11.4 CT Down 42.1 226.2 Up 02:19:45 - 02:49:45 6744
Calipatria 02:34:39 -10.6 CT Down 42.3 224.9 Up 02:19:39 - 02:49:39 6720
Idyllwild 02:34:32 -9.5 CT Down 42.6 223.2 Up 02:19:32 - 02:49:32 6692
Wildwood 02:34:23 -7.8 CT Down 43.4 220.8 Up 02:19:23 - 02:49:23 6615
CPSLO 02:34:10 -5.9 CT Down 43.6 217.6 Up 02:19:10 - 02:49:10 6568

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 14GV53, (2017/09/16 02:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.40 129
1Del Oph       16:14:20.7 -03:41:42  2.7  3.26 121
2Eps Oph       16:18:19.4 -04:41:32  3.2  2.35 122
PPM 199643     16:25:33.2 -03:52:00  8.3  0.48 123
PPM 199668     16:26:47.5 -03:46:58  9.5  0.29 124
14GV53         16:27:21.8 -04:02:04 16.5       124
Positions are for J2000

Event circumstances last updated at 2017/07/25 16:13:01 UT

Marc W. Buie, Southwest Research Institute

RECON