RECON: TNO occultation with 96KV1

Event between 96KV1 and star GA0640:37549762 with event index number of 335872

Geocentric closest approach at 2020/07/05 09:26:12 UTC

J2000 position of star is 19:23:14.3 -24:24:11
Equinox of date position of star is 19:24:26.4 -24:21:49
Stellar brightness G=16.2, use SENSEUP=128
Star is 3 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 40.2 AU from the Sun and 39.2 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 486 seconds.
The 1-sigma cross-track error in the shadow position is 2564 km.
The sky-plane scale is 28412.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.6 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 96KV1, (2020/07/05 09:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.1 -26:28:33  0.9 39.12  37
Nunki          18:56:32.1 -26:16:10  2.0  6.60   4
47Chi1Sgr      19:26:31.3 -24:28:02  5.0  0.48   3
PPM 269764     19:26:37.0 -24:22:13  7.9  0.49   3
PPM 269716     19:24:38.6 -24:10:38  8.6  0.19   3
96KV1          19:24:29.0 -24:21:44 16.2         3
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 1.9 sigma about the mid-time.
The median site spacing is 12.5 km RECON observability=0.7 and success probability=2.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 09:24:58 -17.2 AT Up 16.4 190.3 Really Low 09:09:58 - 09:39:58 6098
Clarence Fulton 09:24:48 -14.8 AT Up 14.2 194.0 Really Low 09:09:48 - 09:39:48 6082
Kelowna 09:24:47 -15.2 AT Up 14.6 193.9 Really Low 09:09:47 - 09:39:47 6072
Summerland 09:24:48 -15.4 AT Up 14.9 193.7 Really Low 09:09:48 - 09:39:48 6067
Penticton 09:24:48 -15.5 AT Up 14.9 193.8 Really Low 09:09:48 - 09:39:48 6062
Oliver 09:24:48 -15.8 AT Up 15.3 193.8 Really Low 09:09:48 - 09:39:48 6049
Anarchist Mountain Observatory 09:24:48 -15.9 AT Up 15.4 194.0 Really Low 09:09:48 - 09:39:48 6040
Tonasket 09:24:47 -16.2 AT Up 15.7 194.0 Really Low 09:09:47 - 09:39:47 6030
Okanogan 09:24:47 -16.6 AT Up 16.1 193.9 Really Low 09:09:47 - 09:39:47 6020
Brewster 09:24:48 -16.9 AT Up 16.4 193.7 Really Low 09:09:48 - 09:39:48 6014
Manson/Chelan 09:24:49 -17.2 AT Up 16.6 193.4 Really Low 09:09:49 - 09:39:49 6014
Entiat 09:24:49 -17.4 AT Up 16.8 193.3 Really Low 09:09:49 - 09:39:49 6006
Wenatchee 09:24:50 -17.7 AT Up 17.1 193.2 Really Low 09:09:50 - 09:39:50 5999
Ellensburg 09:24:49 -18.1 Dark Up 17.5 193.1 Really Low 09:09:49 - 09:39:49 5987
Yakima 09:24:50 -18.5 Dark Up 17.9 193.1 Really Low 09:09:50 - 09:39:50 5971
Toppenish/White Swan 09:24:49 -18.7 Dark Up 18.1 193.2 Really Low 09:09:49 - 09:39:49 5959
Goldendale 09:24:49 -19.3 Dark Up 18.7 192.9 Really Low 09:09:49 - 09:39:49 5946
The Dalles 09:24:51 -19.6 Dark Up 19.0 192.6 Really Low 09:09:51 - 09:39:51 5943
Pasco 09:24:44 -18.5 Dark Up 18.0 194.4 Really Low 09:09:44 - 09:39:44 5928
Maupin 09:24:50 -19.9 Dark Up 19.4 192.7 Really Low 09:09:50 - 09:39:50 5924
PNWRO 09:24:44 -18.6 Dark Up 18.2 194.7 Really Low 09:09:44 - 09:39:44 5914
Sisters 09:24:52 -20.9 Dark Up 20.3 192.3 Low 09:09:52 - 09:39:52 5897
Redmond 09:24:50 -20.8 Dark Up 20.3 192.7 Low 09:09:50 - 09:39:50 5888
Bend 09:24:51 -21.0 Dark Up 20.5 192.6 Low 09:09:51 - 09:39:51 5881
Oregon Observatory 09:24:51 -21.2 Dark Up 20.7 192.5 Low 09:09:51 - 09:39:51 5876
La Pine/Gilchrist 09:24:51 -21.5 Dark Up 20.9 192.4 Low 09:09:51 - 09:39:51 5869
North Lake 09:24:49 -21.7 Dark Up 21.2 193.0 Low 09:09:49 - 09:39:49 5837
Klamath Falls 09:24:51 -22.9 Dark Up 22.4 192.3 Low 09:09:51 - 09:39:51 5808
Paisley 09:24:48 -22.2 Dark Up 21.7 193.4 Low 09:09:48 - 09:39:48 5804
Lakeview 09:24:47 -22.6 Dark Up 22.2 193.6 Low 09:09:47 - 09:39:47 5776
Fall River/Burney 09:24:50 -23.9 Dark Up 23.5 192.7 Low 09:09:50 - 09:39:50 5743
Cedarville 09:24:46 -23.2 Dark Up 22.8 193.9 Low 09:09:46 - 09:39:46 5740
Susanville 09:24:47 -24.3 Dark Up 24.0 193.5 Low 09:09:47 - 09:39:47 5696
Greenville 09:24:48 -24.7 Dark Up 24.3 193.3 Low 09:09:48 - 09:39:48 5688
Gimple 09:24:47 -24.7 Dark Up 24.3 193.3 Low 09:09:47 - 09:39:47 5686
Quincy 09:24:48 -24.9 Dark Up 24.5 193.3 Low 09:09:48 - 09:39:48 5678
Portola 09:24:47 -24.9 Dark Up 24.5 193.8 Low 09:09:47 - 09:39:47 5661
Reno 09:24:44 -24.9 Dark Up 24.7 194.4 Low 09:09:44 - 09:39:44 5633
Carson City 09:24:44 -25.3 Dark Up 25.0 194.5 Low 09:09:44 - 09:39:44 5613
Gardnerville 09:24:44 -25.5 Dark Up 25.2 194.6 Low 09:09:44 - 09:39:44 5599
Yerington 09:24:42 -25.3 Dark Up 25.1 195.1 Low 09:09:42 - 09:39:42 5588
Hawthorne 09:24:40 -25.6 Dark Up 25.4 195.7 Low 09:09:40 - 09:39:40 5551
Lee Vining 09:24:41 -26.2 Dark Up 26.0 195.3 Low 09:09:41 - 09:39:41 5533
Tonopah 09:24:35 -25.6 Dark Up 25.5 197.1 Low 09:09:35 - 09:39:35 5492
Bishop 09:24:39 -26.6 Dark Up 26.5 196.1 Low 09:09:39 - 09:39:39 5481
CPSLO 09:24:45 -29.1 Dark Up 28.9 194.1 Low 09:09:45 - 09:39:45 5417
Beatty 09:24:33 -26.5 Dark Up 26.5 197.7 Low 09:09:33 - 09:39:33 5415
Indian Springs 09:24:30 -26.4 Dark Up 26.6 198.8 Low 09:09:30 - 09:39:30 5368
Henderson 09:24:26 -26.7 Dark Up 26.9 199.6 Low 09:09:26 - 09:39:26 5318
Wildwood 09:24:38 -29.7 Dark Up 29.7 196.4 Low 09:09:38 - 09:39:38 5295
Searchlight/Boulder City 09:24:27 -27.2 Dark Up 27.4 199.7 Low 09:09:27 - 09:39:27 5283
Niwot 09:23:59 -19.4 Dark Up 20.1 207.9 Low 09:08:59 - 09:38:59 5280
SwRI 09:23:59 -19.5 Dark Up 20.2 207.8 Low 09:08:59 - 09:38:59 5276
Laughlin/Bullhead City 09:24:25 -27.3 Dark Up 27.6 200.1 Low 09:09:25 - 09:39:25 5255
Patrick 09:24:23 -26.8 Dark Up 27.2 200.8 Low 09:09:23 - 09:39:23 5251
Kingman/Dolan Springs 09:24:23 -27.1 Dark Up 27.4 200.6 Low 09:09:23 - 09:39:23 5243
Mohave Valley 09:24:25 -27.6 Dark Up 27.9 200.2 Low 09:09:25 - 09:39:25 5238
Idyllwild 09:24:32 -29.4 Dark Up 29.5 198.3 Low 09:09:32 - 09:39:32 5225
DCO 09:24:20 -26.8 Dark Up 27.3 201.5 Low 09:09:20 - 09:39:20 5213
Lake Havasu City 09:24:24 -27.8 Dark Up 28.2 200.5 Low 09:09:24 - 09:39:24 5207
Parker 09:24:24 -28.1 Dark Up 28.5 200.6 Low 09:09:24 - 09:39:24 5185
Blythe 09:24:25 -28.7 Dark Up 29.1 200.4 Low 09:09:25 - 09:39:25 5160
Calipatria 09:24:28 -29.5 Dark Up 29.8 199.6 Low 09:09:28 - 09:39:28 5154
Yuma 09:24:25 -29.5 Dark Up 30.0 200.5 Low 09:09:25 - 09:39:25 5102
George/Scottsdale 09:24:15 -27.6 Dark Up 28.2 203.0 Low 09:09:15 - 09:39:15 5090

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, (2020/07/05 09:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 39.12  37
Nunki          18:55:15.9 -26:17:49  2.0  6.60   4
47Chi1Sgr      19:25:16.6 -24:30:32  5.0  0.48   3
PPM 269764     19:25:22.3 -24:24:44  7.9  0.49   3
PPM 269716     19:23:24.0 -24:13:05  8.6  0.19   3
96KV1          19:23:14.3 -24:24:11 16.2         3
Positions are for J2000

Event circumstances last updated at 2019/10/16 21:15:40 UT

Marc W. Buie, Southwest Research Institute

RECON