RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0800:07627969 with event index number of 1045988

Geocentric closest approach at 2019/03/05 10:59:38 UTC

J2000 position of star is 17:58:36.8 -08:43:21
Equinox of date position of star is 17:59:39.5 -08:43:22
Stellar brightness G=15.3, use SENSEUP=128
Star is 64 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 17.9 AU from the Sun and 18.2 AU from the Earth.
The TNO is moving 17.3 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 101 seconds.
The 1-sigma cross-track error in the shadow position is 1073 km.
The sky-plane scale is 13172.1 km/arcsec.

The TNO has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 4.1 sec chord
Diameter=28.6 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JE80, (2019/03/05 11:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.2 -26:28:23  0.9 27.58  81
35Eta Oph      17:11:28.8 -15:44:50  2.6 13.70  74
64Nu Oph       18:00:05.0 -09:46:28  3.3  1.06  63
PPM 201234     17:58:12.7 -08:04:12  8.2  0.74  64
PPM 201257     17:59:51.7 -08:43:49  8.7  0.05  64
14JE80         17:59:39.7 -08:43:22 15.3        63
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 25.9 km RECON observability=0.2 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 10:57:08 -33.8 Dark Down 10.6 117.5 Really Low 10:48:12 - 11:06:03 7079
Summerland 10:57:07 -34.1 Dark Down 10.4 117.2 Really Low 10:48:12 - 11:06:03 7075
Penticton 10:57:06 -34.1 Dark Down 10.7 117.3 Really Low 10:48:10 - 11:06:01 7060
Okanagan Falls 10:57:06 -34.3 Dark Down 10.8 117.3 Really Low 10:48:10 - 11:06:01 7050
Oliver 10:57:04 -34.4 Dark Down 10.8 117.3 Really Low 10:48:09 - 11:06:00 7042
Anarchist Mountain Observatory 10:57:04 -34.4 Dark Down 11.0 117.4 Really Low 10:48:08 - 11:05:59 7034
Oroville 10:57:04 -34.4 Dark Down 11.0 117.3 Really Low 10:48:08 - 11:05:59 7030
Tonasket 10:57:01 -34.6 Dark Down 11.1 117.3 Really Low 10:48:06 - 11:05:57 7018
Okanogan 10:57:00 -34.9 Dark Down 11.2 117.1 Really Low 10:48:05 - 11:05:56 7001
Brewster 10:56:58 -35.1 Dark Down 11.2 116.9 Really Low 10:48:02 - 11:05:53 6986
Manson/Chelan 10:56:56 -35.5 Dark Down 11.1 116.5 Really Low 10:48:01 - 11:05:52 6974
Entiat 10:56:56 -35.6 Dark Down 11.1 116.4 Really Low 10:48:00 - 11:05:51 6962
Wenatchee 10:56:54 -35.9 Dark Down 11.2 116.3 Really Low 10:47:58 - 11:05:49 6948
Ellensburg 10:56:51 -36.2 Dark Down 11.2 116.0 Really Low 10:47:56 - 11:05:47 6925
Yakima 10:56:50 -36.5 Dark Down 11.4 116.0 Really Low 10:47:54 - 11:05:45 6903
Toppenish/White Swan 10:56:49 -36.5 Dark Down 11.6 116.0 Really Low 10:47:53 - 11:05:44 6891
Pasco 10:56:50 -35.9 Dark Down 12.4 117.0 Really Low 10:47:55 - 11:05:46 6889
PNWRO 10:56:50 -35.9 Dark Down 12.7 117.2 Really Low 10:47:54 - 11:05:45 6876
George/Umatilla 10:56:48 -36.2 Dark Down 12.4 116.8 Really Low 10:47:53 - 11:05:44 6870
Goldendale 10:56:45 -37.1 Dark Down 11.5 115.6 Really Low 10:47:50 - 11:05:41 6859
The Dalles 10:56:43 -37.4 Dark Down 11.4 115.3 Really Low 10:47:48 - 11:05:39 6845
Maupin 10:56:41 -37.6 Dark Down 11.6 115.3 Really Low 10:47:46 - 11:05:37 6822
Madras/Culver 10:56:39 -38.0 Dark Down 11.8 115.1 Really Low 10:47:43 - 11:05:34 6790
Redmond 10:56:36 -38.2 Dark Down 11.9 115.0 Really Low 10:47:41 - 11:05:32 6769
Sisters 10:56:37 -38.4 Dark Down 11.7 114.7 Really Low 10:47:41 - 11:05:32 6769
Bend 10:56:35 -38.4 Dark Down 11.9 114.9 Really Low 10:47:40 - 11:05:31 6756
Oregon Observatory 10:56:35 -38.6 Dark Down 11.9 114.7 Really Low 10:47:39 - 11:05:30 6745
La Pine/Gilchrist 10:56:33 -38.8 Dark Down 12.0 114.6 Really Low 10:47:37 - 11:05:28 6732
North Lake 10:56:32 -38.6 Dark Down 12.5 115.0 Really Low 10:47:37 - 11:05:28 6709
Paisley 10:56:30 -38.7 Dark Down 13.0 115.1 Really Low 10:47:35 - 11:05:26 6676
Chiloquin 10:56:27 -39.6 Dark Down 12.2 114.1 Really Low 10:47:31 - 11:05:22 6663
Lakeview 10:56:28 -38.9 Dark Down 13.3 115.2 Really Low 10:47:32 - 11:05:23 6646
Klamath Falls 10:56:25 -39.8 Dark Down 12.4 114.1 Really Low 10:47:30 - 11:05:21 6643
Tulelake 10:56:25 -39.7 Dark Down 12.7 114.3 Really Low 10:47:29 - 11:05:20 6627
Cedarville 10:56:26 -39.2 Dark Down 13.7 115.2 Really Low 10:47:30 - 11:05:21 6606
Fall River/Burney 10:56:21 -40.2 Dark Down 13.1 114.1 Really Low 10:47:25 - 11:05:16 6570
Susanville 10:56:20 -40.1 Dark Down 13.9 114.5 Really Low 10:47:24 - 11:05:15 6532
Niwot 10:57:03 -29.4 Dark Down 24.3 126.7 Low 10:48:08 - 11:05:59 6532
SwRI 10:57:03 -29.5 Dark Down 24.3 126.6 Low 10:48:07 - 11:05:58 6525
Gimple 10:56:17 -40.4 Dark Down 13.8 114.3 Really Low 10:47:22 - 11:05:13 6513
Greenville 10:56:18 -40.4 Dark Down 13.8 114.3 Really Low 10:47:22 - 11:05:13 6513
Quincy 10:56:17 -40.5 Dark Down 13.8 114.2 Really Low 10:47:21 - 11:05:12 6500
Portola 10:56:17 -40.3 Dark Down 14.2 114.5 Really Low 10:47:22 - 11:05:13 6494
Reno 10:56:17 -40.0 Dark Down 14.8 114.9 Really Low 10:47:21 - 11:05:12 6479
Carson City 10:56:17 -40.2 Dark Down 15.0 114.9 Really Low 10:47:21 - 11:05:12 6455
Yerington 10:56:17 -39.8 Dark Down 15.5 115.3 Really Low 10:47:21 - 11:05:12 6444
Gardnerville 10:56:16 -40.3 Dark Down 15.1 114.8 Really Low 10:47:20 - 11:05:11 6439
Hawthorne 10:56:16 -39.7 Dark Down 16.1 115.5 Really Low 10:47:20 - 11:05:11 6415
Tonopah 10:56:18 -39.0 Dark Down 17.3 116.4 Really Low 10:47:22 - 11:05:13 6388
Lee Vining 10:56:13 -40.3 Dark Down 15.9 115.0 Really Low 10:47:17 - 11:05:08 6375
Bishop 10:56:11 -40.1 Dark Down 16.7 115.4 Really Low 10:47:16 - 11:05:07 6336
Beatty 10:56:14 -39.2 Dark Down 18.1 116.4 Really Low 10:47:18 - 11:05:09 6309
Indian Springs 10:56:15 -38.5 Dark Down 19.0 117.1 Really Low 10:47:20 - 11:05:11 6289
Lone Pine 10:56:09 -40.2 Dark Down 17.3 115.4 Really Low 10:47:13 - 11:05:04 6284
Henderson 10:56:15 -38.2 Dark Down 19.8 117.4 Really Low 10:47:19 - 11:05:10 6252
Searchlight/Boulder City 10:56:13 -38.4 Dark Down 20.1 117.3 Low 10:47:18 - 11:05:09 6211
Patrick 10:56:17 -37.6 Dark Down 20.9 118.0 Low 10:47:21 - 11:05:12 6210
Kingman/Dolan Springs 10:56:14 -37.9 Dark Down 20.8 117.8 Low 10:47:19 - 11:05:10 6193
Laughlin/Bullhead City 10:56:13 -38.3 Dark Down 20.5 117.4 Low 10:47:18 - 11:05:09 6191
DCO 10:56:17 -37.2 Dark Down 21.5 118.5 Low 10:47:21 - 11:05:12 6189
CPSLO 10:55:57 -42.7 Dark Down 15.9 113.2 Really Low 10:47:01 - 11:04:52 6181
Mohave Valley 10:56:13 -38.4 Dark Down 20.6 117.4 Low 10:47:17 - 11:05:08 6171
Lake Havasu City 10:56:11 -38.4 Dark Down 21.0 117.4 Low 10:47:15 - 11:05:06 6142
Parker 10:56:10 -38.5 Dark Down 21.1 117.3 Low 10:47:14 - 11:05:05 6116
Wildwood 10:55:57 -41.8 Dark Down 17.9 114.3 Really Low 10:47:01 - 11:04:52 6100
Idyllwild 10:56:01 -40.5 Dark Down 19.5 115.4 Really Low 10:47:06 - 11:04:57 6080
Blythe 10:56:07 -38.9 Dark Down 21.1 116.9 Low 10:47:11 - 11:05:02 6076
Calipatria 10:56:02 -39.8 Dark Down 20.6 116.1 Low 10:47:06 - 11:04:57 6037
Yuma 10:56:03 -39.3 Dark Down 21.5 116.5 Low 10:47:07 - 11:04:58 6007

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 14JE80, (2019/03/05 11:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 27.58  81
35Eta Oph      17:10:22.7 -15:43:29  2.6 13.70  74
64Nu Oph       17:59:01.6 -09:46:27  3.3  1.06  63
PPM 201234     17:57:10.1 -08:04:08  8.2  0.74  64
PPM 201257     17:58:48.9 -08:43:48  8.7  0.05  64
14JE80         17:58:36.8 -08:43:21 15.3        64
Positions are for J2000

Event circumstances last updated at 2019/02/12 06:28:43 UT

Marc W. Buie, Southwest Research Institute

RECON