RECON: TNO occultation with 96KV1

Event between 96KV1 and star UC4-328-185705A with event index number of 132444

Geocentric closest approach at 2018/07/30 08:11:19 UTC

J2000 position of star is 19:07:38.1 -24:27:18
Equinox of date position of star is 19:08:39.9 -24:25:39
Stellar brightness R=15.4
Star is 49 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 40.2 AU from the Sun and 39.2 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 412 seconds.
The 1-sigma cross-track error in the shadow position is 2086 km.
The sky-plane scale is 28458.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 9.4 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 96KV1, (2018/07/30 08:11UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:33.0 -26:28:18  0.9 35.64  84
Nunki          18:56:24.9 -26:16:19  2.0  3.35  52
PPM 269227     19:03:35.8 -24:49:11  5.2  1.24  50
PPM 269329     19:08:22.6 -24:29:38  8.3  0.11  49
96KV1          19:08:46.0 -24:25:29 15.4        49
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 2.2 sigma about the mid-time.
The median site spacing is 17.7 km RECON observability=0.6 and success probability=10.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:09:29 -22.6 Dark Up 13.6 202.3 Really Low 07:54:29 - 08:24:29 10
Tonasket 08:09:29 -22.8 Dark Up 13.8 202.4 Really Low 07:54:29 - 08:24:29 -19
Okanogan 08:09:29 -23.1 Dark Up 14.1 202.3 Really Low 07:54:29 - 08:24:29 -26
Manson/Chelan 08:09:29 -23.6 Dark Up 14.7 201.8 Really Low 07:54:29 - 08:24:29 -28
Brewster 08:09:29 -23.4 Dark Up 14.4 202.1 Really Low 07:54:29 - 08:24:29 -28
Entiat 08:09:29 -23.8 Dark Up 14.9 201.7 Really Low 07:54:29 - 08:24:29 -35
Wenatchee 08:09:29 -24.1 Dark Up 15.2 201.7 Really Low 07:54:29 - 08:24:29 -43
Ellensburg 08:09:29 -24.5 Dark Up 15.6 201.5 Really Low 07:54:29 - 08:24:29 -55
Yakima 08:09:29 -24.9 Dark Up 16.0 201.5 Really Low 07:54:29 - 08:24:29 -71
Toppenish/White Swan 08:09:29 -25.1 Dark Up 16.2 201.7 Really Low 07:54:29 - 08:24:29 -86
Goldendale 08:09:29 -25.7 Dark Up 16.8 201.4 Really Low 07:54:29 - 08:24:29 -99
The Dalles 08:09:30 -25.9 Dark Up 17.1 201.1 Really Low 07:54:30 - 08:24:30 -101
Pasco 08:09:24 -25.2 Dark Up 16.0 202.9 Really Low 07:54:24 - 08:24:24 -118
Maupin 08:09:29 -26.3 Dark Up 17.5 201.2 Really Low 07:54:29 - 08:24:29 -122
George/Umatilla 08:09:25 -25.6 Dark Up 16.3 202.7 Really Low 07:54:25 - 08:24:25 -127
PNWRO 08:09:24 -25.5 Dark Up 16.1 203.1 Really Low 07:54:24 - 08:24:24 -134
Madras/Culver 08:09:29 -26.9 Dark Up 18.0 201.3 Really Low 07:54:29 - 08:24:29 -146
Sisters 08:09:30 -27.2 Dark Up 18.4 200.9 Really Low 07:54:30 - 08:24:30 -151
Redmond 08:09:29 -27.2 Dark Up 18.3 201.3 Really Low 07:54:29 - 08:24:29 -161
Bend 08:09:29 -27.5 Dark Up 18.6 201.1 Really Low 07:54:29 - 08:24:29 -168
Oregon Observatory 08:09:29 -27.6 Dark Up 18.8 201.0 Really Low 07:54:29 - 08:24:29 -172
La Pine/Gilchrist 08:09:29 -27.8 Dark Up 19.0 201.0 Really Low 07:54:29 - 08:24:29 -181
North Lake 08:09:27 -28.3 Dark Up 19.2 201.6 Really Low 07:54:27 - 08:24:27 -215
Chiloquin 08:09:29 -28.9 Dark Up 20.1 200.8 Low 07:54:29 - 08:24:29 -226
Klamath Falls 08:09:29 -29.3 Dark Up 20.4 200.9 Low 07:54:29 - 08:24:29 -245
Paisley 08:09:25 -28.8 Dark Up 19.6 202.0 Really Low 07:54:25 - 08:24:25 -250
Tulelake 08:09:28 -29.6 Dark Up 20.6 201.3 Low 07:54:28 - 08:24:28 -265
Lakeview 08:09:24 -29.3 Dark Up 20.0 202.3 Low 07:54:24 - 08:24:24 -279
Fall River/Burney 08:09:26 -30.5 Dark Up 21.4 201.5 Low 07:54:26 - 08:24:26 -313
Cedarville 08:09:23 -30.0 Dark Up 20.6 202.5 Low 07:54:23 - 08:24:23 -316
Susanville 08:09:23 -31.1 Dark Up 21.8 202.2 Low 07:54:23 - 08:24:23 -363
Greenville 08:09:24 -31.4 Dark Up 22.1 202.0 Low 07:54:24 - 08:24:24 -370
Gimple 08:09:24 -31.4 Dark Up 22.1 202.1 Low 07:54:24 - 08:24:24 -373
Quincy 08:09:24 -31.6 Dark Up 22.3 202.0 Low 07:54:24 - 08:24:24 -381
Portola 08:09:22 -31.7 Dark Up 22.3 202.5 Low 07:54:22 - 08:24:22 -399
Reno 08:09:20 -32.0 Dark Up 22.3 203.1 Low 07:54:20 - 08:24:20 -429
Carson City 08:09:19 -32.3 Dark Up 22.7 203.2 Low 07:54:19 - 08:24:19 -449
Gardnerville 08:09:19 -32.6 Dark Up 22.9 203.3 Low 07:54:19 - 08:24:19 -464
Yerington 08:09:17 -32.5 Dark Up 22.6 203.8 Low 07:54:17 - 08:24:17 -476
Hawthorne 08:09:14 -33.0 Dark Up 22.9 204.4 Low 07:54:14 - 08:24:14 -515
Lee Vining 08:09:16 -33.5 Dark Up 23.6 204.0 Low 07:54:16 - 08:24:16 -534
Tonopah 08:09:09 -33.4 Dark Up 22.9 205.7 Low 07:54:09 - 08:24:09 -577
Bishop 08:09:13 -34.1 Dark Up 23.9 204.8 Low 07:54:13 - 08:24:13 -587
Lone Pine 08:09:11 -34.9 Dark Up 24.5 205.2 Low 07:54:11 - 08:24:11 -641
CPSLO 08:09:19 -36.2 Dark Up 26.5 203.1 Low 07:54:19 - 08:24:19 -653
Beatty 08:09:06 -34.5 Dark Up 23.7 206.4 Low 07:54:06 - 08:24:06 -657
Indian Springs 08:09:02 -34.7 Dark Up 23.7 207.4 Low 07:54:02 - 08:24:02 -706
Henderson 08:08:59 -35.2 Dark Up 23.9 208.1 Low 07:53:59 - 08:23:59 -758
Wildwood 08:09:10 -37.4 Dark Up 26.9 205.3 Low 07:54:10 - 08:24:10 -781
Searchlight/Boulder City 08:08:59 -35.8 Dark Up 24.4 208.3 Low 07:53:59 - 08:23:59 -794
Niwot 08:08:34 -29.7 Dark Up 16.4 215.7 Really Low 07:53:34 - 08:23:34 -795
Laughlin/Bullhead City 08:08:57 -36.0 Dark Up 24.5 208.7 Low 07:53:57 - 08:23:57 -823
Patrick 08:08:55 -35.7 Dark Up 24.0 209.3 Low 07:53:55 - 08:23:55 -827
Kingman/Dolan Springs 08:08:55 -36.0 Dark Up 24.3 209.1 Low 07:53:55 - 08:23:55 -836
Mohave Valley 08:08:57 -36.3 Dark Up 24.7 208.7 Low 07:53:57 - 08:23:57 -841
Idyllwild 08:09:03 -37.6 Dark Up 26.6 207.1 Low 07:54:03 - 08:24:03 -854
DCO 08:08:52 -35.9 Dark Up 24.0 210.0 Low 07:53:52 - 08:23:52 -867
Lake Havasu City 08:08:55 -36.7 Dark Up 25.0 209.1 Low 07:53:55 - 08:23:55 -873
Parker 08:08:55 -37.0 Dark Up 25.3 209.2 Low 07:53:55 - 08:23:55 -897
Blythe 08:08:55 -37.6 Dark Up 25.8 209.0 Low 07:53:55 - 08:23:55 -922
Calipatria 08:08:59 -38.2 Dark Up 26.7 208.3 Low 07:53:59 - 08:23:59 -928
Yuma 08:08:55 -38.5 Dark Up 26.7 209.2 Low 07:53:55 - 08:23:55 -982

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 96KV1, (2018/07/30 08:11UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:55  0.9 35.64  84
Nunki          18:55:15.9 -26:17:49  2.0  3.35  52
PPM 269227     19:02:27.7 -24:50:52  5.2  1.24  50
PPM 269329     19:07:14.7 -24:31:26  8.3  0.11  49
96KV1          19:07:38.1 -24:27:18 15.4        49
Positions are for J2000

Event circumstances last updated at 2016/12/01 19:10:18 UT

Marc W. Buie, Southwest Research Institute

RECON