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 19:08:43.6 -24:25:33
Stellar brightness R=15.4, use SENSEUP=128
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          18:56:25.0 -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 17.9 km RECON observability=0.6 and success probability=9.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:09:28 -22.6 Dark Up 13.6 202.3 Really Low 07:54:28 - 08:24:28 6
Tonasket 08:09:28 -22.8 Dark Up 13.8 202.4 Really Low 07:54:28 - 08:24:28 -6
Okanogan 08:09:28 -23.1 Dark Up 14.1 202.3 Really Low 07:54:28 - 08:24:28 -14
Brewster 08:09:28 -23.4 Dark Up 14.4 202.1 Really Low 07:54:28 - 08:24:28 -20
Manson/Chelan 08:09:29 -23.6 Dark Up 14.7 201.8 Really Low 07:54:29 - 08:24:29 -21
Entiat 08:09:29 -23.8 Dark Up 14.9 201.7 Really Low 07:54:29 - 08:24:29 -28
Wenatchee 08:09:29 -24.1 Dark Up 15.2 201.7 Really Low 07:54:29 - 08:24:29 -37
Ellensburg 08:09:29 -24.5 Dark Up 15.6 201.5 Really Low 07:54:29 - 08:24:29 -49
Yakima 08:09:29 -24.9 Dark Up 16.0 201.5 Really Low 07:54:29 - 08:24:29 -66
Toppenish/White Swan 08:09:28 -25.1 Dark Up 16.2 201.7 Really Low 07:54:28 - 08:24:28 -79
Goldendale 08:09:29 -25.7 Dark Up 16.8 201.4 Really Low 07:54:29 - 08:24:29 -93
The Dalles 08:09:30 -25.9 Dark Up 17.1 201.1 Really Low 07:54:30 - 08:24:30 -95
Pasco 08:09:24 -25.2 Dark Up 16.0 202.9 Really Low 07:54:24 - 08:24:24 -111
Maupin 08:09:29 -26.3 Dark Up 17.5 201.2 Really Low 07:54:29 - 08:24:29 -116
George/Umatilla 08:09:24 -25.6 Dark Up 16.3 202.7 Really Low 07:54:24 - 08:24:24 -121
PNWRO 08:09:23 -25.5 Dark Up 16.1 203.1 Really Low 07:54:23 - 08:24:23 -127
Madras/Culver 08:09:28 -26.9 Dark Up 18.0 201.3 Really Low 07:54:28 - 08:24:28 -140
Sisters 08:09:30 -27.2 Dark Up 18.4 200.9 Really Low 07:54:30 - 08:24:30 -145
Redmond 08:09:28 -27.2 Dark Up 18.3 201.2 Really Low 07:54:28 - 08:24:28 -155
Bend 08:09:28 -27.5 Dark Up 18.6 201.1 Really Low 07:54:28 - 08:24:28 -162
Oregon Observatory 08:09:29 -27.6 Dark Up 18.8 201.0 Really Low 07:54:29 - 08:24:29 -167
La Pine/Gilchrist 08:09:29 -27.8 Dark Up 19.0 201.0 Really Low 07:54:29 - 08:24:29 -175
North Lake 08:09:27 -28.3 Dark Up 19.2 201.6 Really Low 07:54:27 - 08:24:27 -209
Chiloquin 08:09:29 -28.9 Dark Up 20.1 200.8 Low 07:54:29 - 08:24:29 -221
Klamath Falls 08:09:28 -29.3 Dark Up 20.4 200.9 Low 07:54:28 - 08:24:28 -239
Paisley 08:09:25 -28.8 Dark Up 19.6 202.0 Really Low 07:54:25 - 08:24:25 -244
Tulelake 08:09:27 -29.6 Dark Up 20.6 201.3 Low 07:54:27 - 08:24:27 -259
Lakeview 08:09:24 -29.3 Dark Up 20.0 202.3 Low 07:54:24 - 08:24:24 -273
Fall River/Burney 08:09:26 -30.5 Dark Up 21.4 201.5 Low 07:54:26 - 08:24:26 -307
Cedarville 08:09:22 -30.0 Dark Up 20.6 202.5 Low 07:54:22 - 08:24:22 -311
Susanville 08:09:23 -31.1 Dark Up 21.8 202.2 Low 07:54:23 - 08:24:23 -357
Greenville 08:09:24 -31.4 Dark Up 22.1 202.0 Low 07:54:24 - 08:24:24 -365
Gimple 08:09:23 -31.4 Dark Up 22.1 202.1 Low 07:54:23 - 08:24:23 -367
Quincy 08:09:24 -31.6 Dark Up 22.3 202.0 Low 07:54:24 - 08:24:24 -376
Portola 08:09:22 -31.7 Dark Up 22.3 202.5 Low 07:54:22 - 08:24:22 -393
Reno 08:09:19 -32.0 Dark Up 22.3 203.1 Low 07:54:19 - 08:24:19 -423
Carson City 08:09:19 -32.3 Dark Up 22.7 203.2 Low 07:54:19 - 08:24:19 -443
Gardnerville 08:09:18 -32.6 Dark Up 22.9 203.3 Low 07:54:18 - 08:24:18 -458
Yerington 08:09:17 -32.5 Dark Up 22.6 203.8 Low 07:54:17 - 08:24:17 -469
Hawthorne 08:09:14 -33.0 Dark Up 22.9 204.4 Low 07:54:14 - 08:24:14 -508
Lee Vining 08:09:15 -33.5 Dark Up 23.6 204.0 Low 07:54:15 - 08:24:15 -528
Tonopah 08:09:09 -33.4 Dark Up 22.9 205.7 Low 07:54:09 - 08:24:09 -571
Bishop 08:09:12 -34.1 Dark Up 23.9 204.8 Low 07:54:12 - 08:24:12 -581
Lone Pine 08:09:10 -34.9 Dark Up 24.5 205.2 Low 07:54:10 - 08:24:10 -634
CPSLO 08:09:19 -36.2 Dark Up 26.5 203.1 Low 07:54:19 - 08:24:19 -646
Beatty 08:09:06 -34.5 Dark Up 23.7 206.4 Low 07:54:06 - 08:24:06 -650
Indian Springs 08:09:02 -34.7 Dark Up 23.7 207.4 Low 07:54:02 - 08:24:02 -699
Henderson 08:08:59 -35.2 Dark Up 23.9 208.1 Low 07:53:59 - 08:23:59 -750
Wildwood 08:09:10 -37.4 Dark Up 26.9 205.3 Low 07:54:10 - 08:24:10 -774
Searchlight/Boulder City 08:08:59 -35.8 Dark Up 24.4 208.3 Low 07:53:59 - 08:23:59 -787
Niwot 08:08:34 -29.7 Dark Up 16.4 215.7 Really Low 07:53:34 - 08:23:34 -788
Laughlin/Bullhead City 08:08:57 -36.0 Dark Up 24.5 208.7 Low 07:53:57 - 08:23:57 -815
Patrick 08:08:55 -35.7 Dark Up 24.0 209.3 Low 07:53:55 - 08:23:55 -820
Kingman/Dolan Springs 08:08:55 -36.0 Dark Up 24.3 209.1 Low 07:53:55 - 08:23:55 -829
Mohave Valley 08:08:57 -36.3 Dark Up 24.7 208.7 Low 07:53:57 - 08:23:57 -833
Idyllwild 08:09:03 -37.6 Dark Up 26.6 207.1 Low 07:54:03 - 08:24:03 -847
DCO 08:08:52 -35.9 Dark Up 24.0 210.0 Low 07:53:52 - 08:23:52 -859
Lake Havasu City 08:08:55 -36.7 Dark Up 25.0 209.1 Low 07:53:55 - 08:23:55 -865
Parker 08:08:55 -37.0 Dark Up 25.3 209.2 Low 07:53:55 - 08:23:55 -888
Blythe 08:08:55 -37.6 Dark Up 25.8 209.0 Low 07:53:55 - 08:23:55 -914
Calipatria 08:08:59 -38.2 Dark Up 26.7 208.3 Low 07:53:59 - 08:23:59 -920
Yuma 08:08:55 -38.5 Dark Up 26.7 209.2 Low 07:53:55 - 08:23:55 -974

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 -26:25:56  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 2017/12/05 18:50:29 UT

Marc W. Buie, Southwest Research Institute

RECON