RECON: TNO occultation with 14JG80

Event between 14JG80 and star GA0840:04991460 with event index number of 136083

Geocentric closest approach at 2018/07/26 04:39:48 UTC

J2000 position of star is 16:27:34.8 -04:58:59
Equinox of date position of star is 16:28:33.4 -05:01:23
Stellar brightness G=16.3, use SENSEUP=128
Star is 41 degrees from the moon. Moon is 98% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 27.4 AU from the Sun and 26.8 AU from the Earth.
The TNO is moving 14.9 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is 2226 km.
The sky-plane scale is 19455.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.7
Diameter=173.0 km assuming a 5% albedo -- 11.6 sec chord
Diameter=70.6 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JG80, (2018/07/26 04:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.9 -26:28:18  0.9 21.45  36
1Del Oph       16:15:19.2 -03:44:27  2.7  3.54  45
2Eps Oph       16:19:18.3 -04:44:11  3.2  2.32  44
PPM 199645     16:26:38.0 -05:56:20  8.4  1.03  41
PPM 199676     16:28:14.0 -05:05:17  9.4  0.10  41
14JG80         16:28:33.8 -05:01:24 16.3        41
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 5.0 sigma about the mid-time.
The median site spacing is 27.2 km RECON observability=0.3 and success probability=0.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 04:36:35 -7.1 CT Up 35.2 188.0 Up 04:23:17 - 04:49:52 8344
Oroville 04:36:36 -7.5 CT Up 35.8 188.2 Up 04:23:19 - 04:49:54 8303
Tonasket 04:36:36 -7.7 CT Up 36.0 188.2 Up 04:23:19 - 04:49:54 8289
Okanogan 04:36:39 -7.8 CT Up 36.3 188.1 Up 04:23:21 - 04:49:56 8273
Manson/Chelan 04:36:42 -7.9 CT Up 36.9 187.4 Up 04:23:25 - 04:50:00 8264
Brewster 04:36:38 -7.9 CT Up 36.6 187.8 Up 04:23:20 - 04:49:55 8264
Entiat 04:36:41 -8.0 CT Up 37.1 187.4 Up 04:23:24 - 04:49:59 8253
Wenatchee 04:36:41 -8.1 CT Up 37.4 187.3 Up 04:23:24 - 04:49:59 8240
Ellensburg 04:36:43 -8.3 CT Up 37.8 187.0 Up 04:23:26 - 04:50:01 8222
Yakima 04:36:46 -8.5 CT Up 38.2 187.1 Up 04:23:29 - 04:50:04 8197
Toppenish/White Swan 04:36:45 -8.7 CT Up 38.4 187.3 Up 04:23:28 - 04:50:03 8177
Goldendale 04:36:50 -8.9 CT Up 39.0 186.8 Up 04:23:32 - 04:50:07 8157
The Dalles 04:36:49 -8.8 CT Up 39.2 186.4 Up 04:23:31 - 04:50:06 8156
Maupin 04:36:50 -9.2 CT Up 39.6 186.6 Up 04:23:33 - 04:50:08 8125
Pasco 04:36:40 -9.5 CT Up 38.4 188.9 Up 04:23:22 - 04:49:57 8121
George/Umatilla 04:36:41 -9.6 CT Up 38.7 188.7 Up 04:23:24 - 04:49:59 8107
PNWRO 04:36:40 -9.8 CT Up 38.6 189.2 Up 04:23:22 - 04:49:57 8096
Madras/Culver 04:36:52 -9.5 CT Up 40.2 186.6 Up 04:23:35 - 04:50:10 8091
Sisters 04:36:55 -9.5 CT Up 40.5 186.0 Up 04:23:37 - 04:50:12 8086
Redmond 04:36:53 -9.7 CT Up 40.5 186.5 Up 04:23:35 - 04:50:10 8069
Bend 04:36:54 -9.8 CT Up 40.8 186.4 Up 04:23:36 - 04:50:11 8060
Oregon Observatory 04:36:54 -9.8 CT Up 40.9 186.2 Up 04:23:36 - 04:50:11 8054
La Pine/Gilchrist 04:36:56 -9.9 CT Up 41.2 186.2 Up 04:23:39 - 04:50:14 8042
North Lake 04:36:53 -10.5 CT Up 41.5 187.0 Up 04:23:36 - 04:50:11 7989
Chiloquin 04:37:00 -10.4 CT Up 42.3 185.8 Up 04:23:43 - 04:50:18 7981
Klamath Falls 04:36:59 -10.7 CT Up 42.6 186.0 Up 04:23:42 - 04:50:17 7954
Paisley 04:36:52 -11.1 CT Up 42.1 187.5 Up 04:23:35 - 04:50:10 7937
Tulelake 04:36:59 -11.0 CT Up 42.9 186.4 Up 04:23:42 - 04:50:17 7924
Lakeview 04:36:52 -11.5 CT Up 42.5 187.9 Up 04:23:34 - 04:50:09 7894
Fall River/Burney 04:37:01 -11.6 CT Up 43.8 186.6 Up 04:23:43 - 04:50:18 7857
Cedarville 04:36:54 -12.0 AT Up 43.2 188.2 Up 04:23:36 - 04:50:11 7841
Susanville 04:36:57 -12.5 AT Up 44.3 187.7 Up 04:23:40 - 04:50:15 7782
Greenville 04:36:59 -12.5 AT Up 44.6 187.3 Up 04:23:42 - 04:50:17 7774
Gimple 04:36:59 -12.5 AT Up 44.6 187.5 Up 04:23:42 - 04:50:17 7771
Quincy 04:37:02 -12.6 AT Up 44.8 187.4 Up 04:23:44 - 04:50:19 7759
Portola 04:36:59 -13.0 AT Up 44.9 188.0 Up 04:23:41 - 04:50:16 7731
Reno 04:36:56 -13.5 AT Up 45.1 189.0 Up 04:23:39 - 04:50:14 7684
Carson City 04:36:56 -13.7 AT Up 45.4 189.1 Up 04:23:38 - 04:50:13 7657
Gardnerville 04:36:57 -13.9 AT Up 45.7 189.2 Up 04:23:40 - 04:50:15 7637
Yerington 04:36:54 -14.2 AT Up 45.6 190.0 Up 04:23:36 - 04:50:11 7616
Hawthorne 04:36:53 -14.9 AT Up 45.9 190.8 Up 04:23:35 - 04:50:10 7559
Lee Vining 04:36:56 -14.9 AT Up 46.6 190.2 Up 04:23:39 - 04:50:14 7537
Tonopah 04:36:46 -16.0 AT Up 46.2 192.9 Up 04:23:29 - 04:50:04 7463
Bishop 04:36:55 -15.8 AT Up 47.0 191.4 Up 04:23:37 - 04:50:12 7461
CPSLO 04:37:10 -15.7 AT Up 49.4 188.5 Up 04:23:52 - 04:50:27 7402
Lone Pine 04:36:53 -16.5 AT Up 47.7 192.0 Up 04:23:36 - 04:50:11 7388
Beatty 04:36:45 -17.0 AT Up 47.2 193.8 Up 04:23:28 - 04:50:03 7354
Indian Springs 04:36:41 -17.9 AT Up 47.3 195.4 Up 04:23:24 - 04:49:59 7282
Wildwood 04:37:01 -17.8 AT Up 50.3 191.9 Up 04:23:43 - 04:50:18 7216
Henderson 04:36:41 -18.7 Dark Up 47.7 196.6 Up 04:23:23 - 04:49:58 7209
Searchlight/Boulder City 04:36:40 -19.1 Dark Up 48.2 196.9 Up 04:23:22 - 04:49:57 7161
Laughlin/Bullhead City 04:36:38 -19.5 Dark Up 48.4 197.4 Up 04:23:20 - 04:49:55 7121
Niwot 04:35:46 -20.8 Dark Up 41.1 207.9 Up 04:22:29 - 04:49:04 7118
Patrick 04:36:34 -19.7 Dark Up 48.0 198.4 Up 04:23:17 - 04:49:52 7110
Idyllwild 04:36:54 -19.2 Dark Up 50.3 194.8 Up 04:23:36 - 04:50:11 7102
Kingman/Dolan Springs 04:36:38 -19.8 Dark Up 48.3 198.2 Up 04:23:20 - 04:49:55 7100
Mohave Valley 04:36:39 -19.7 Dark Up 48.7 197.6 Up 04:23:21 - 04:49:56 7099
Lake Havasu City 04:36:38 -20.1 Dark Up 49.0 198.1 Up 04:23:20 - 04:49:55 7056
DCO 04:36:33 -20.4 Dark Up 48.1 199.5 Up 04:23:15 - 04:49:50 7053
Parker 04:36:39 -20.4 Dark Up 49.3 198.2 Up 04:23:22 - 04:49:57 7026
Calipatria 04:36:48 -20.3 Dark Up 50.6 196.8 Up 04:23:31 - 04:50:06 6999
Blythe 04:36:42 -20.5 Dark Up 49.9 198.0 Up 04:23:25 - 04:50:00 6996
Yuma 04:36:43 -21.1 Dark Up 50.8 198.3 Up 04:23:26 - 04:50:01 6922

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 14JG80, (2018/07/26 04:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.45  36
1Del Oph       16:14:20.7 -03:41:42  2.7  3.54  45
2Eps Oph       16:18:19.4 -04:41:32  3.2  2.32  44
PPM 199645     16:25:38.6 -05:53:52  8.4  1.03  41
PPM 199676     16:27:14.9 -05:02:51  9.4  0.10  41
14JG80         16:27:34.8 -04:58:59 16.3        41
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:17:01 UT

Marc W. Buie, Southwest Research Institute

RECON