RECON: TNO occultation with 96KV1

Event between 96KV1 and star GA0640:37549762 with event index number of 279843

Geocentric closest approach at 2020/07/05 09:39:59 UTC

J2000 position of star is 19:23:14.3 -24:24:11
Equinox of date position of star is 19:24:22.0 -24:21:58
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 485 seconds.
The 1-sigma cross-track error in the shadow position is 4006 km.
The sky-plane scale is 28412.3 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 09:40UT)
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      19:26:31.2 -24:28:01  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 16.2 km RECON observability=0.7 and success probability=2.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:38:26 -14.7 AT Up 14.3 197.0 Really Low 09:23:26 - 09:53:26 8753
Oroville 09:38:24 -15.2 AT Up 14.9 197.1 Really Low 09:23:24 - 09:53:24 8728
Tonasket 09:38:24 -15.4 AT Up 15.1 197.1 Really Low 09:23:24 - 09:53:24 8719
Okanogan 09:38:24 -15.8 AT Up 15.5 197.0 Really Low 09:23:24 - 09:53:24 8710
Brewster 09:38:26 -16.1 AT Up 15.8 196.9 Really Low 09:23:26 - 09:53:26 8704
Manson/Chelan 09:38:25 -16.4 AT Up 16.0 196.5 Really Low 09:23:25 - 09:53:25 8703
Entiat 09:38:26 -16.6 AT Up 16.2 196.5 Really Low 09:23:26 - 09:53:26 8696
Wenatchee 09:38:26 -16.8 AT Up 16.5 196.4 Really Low 09:23:26 - 09:53:26 8688
Ellensburg 09:38:26 -17.3 AT Up 16.9 196.3 Really Low 09:23:26 - 09:53:26 8676
Yakima 09:38:26 -17.7 AT Up 17.3 196.3 Really Low 09:23:26 - 09:53:26 8660
Toppenish/White Swan 09:38:26 -17.8 AT Up 17.5 196.5 Really Low 09:23:26 - 09:53:26 8647
Goldendale 09:38:26 -18.4 Dark Up 18.1 196.1 Really Low 09:23:26 - 09:53:26 8634
The Dalles 09:38:27 -18.7 Dark Up 18.4 195.8 Really Low 09:23:27 - 09:53:27 8632
Pasco 09:38:22 -17.6 AT Up 17.4 197.6 Really Low 09:23:22 - 09:53:22 8614
Maupin 09:38:27 -19.1 Dark Up 18.8 195.9 Really Low 09:23:27 - 09:53:27 8612
George/Umatilla 09:38:23 -18.0 AT Up 17.7 197.5 Really Low 09:23:23 - 09:53:23 8605
PNWRO 09:38:21 -17.8 AT Up 17.6 197.9 Really Low 09:23:21 - 09:53:21 8599
Madras/Culver 09:38:27 -19.6 Dark Up 19.3 195.9 Really Low 09:23:27 - 09:53:27 8589
Sisters 09:38:28 -20.1 Dark Up 19.7 195.5 Really Low 09:23:28 - 09:53:28 8584
Redmond 09:38:27 -20.0 Dark Up 19.7 195.9 Really Low 09:23:27 - 09:53:27 8574
Bend 09:38:27 -20.2 Dark Up 19.9 195.8 Really Low 09:23:27 - 09:53:27 8567
Oregon Observatory 09:38:27 -20.4 Dark Up 20.1 195.7 Low 09:23:27 - 09:53:27 8562
La Pine/Gilchrist 09:38:26 -20.6 Dark Up 20.3 195.7 Low 09:23:26 - 09:53:26 8554
North Lake 09:38:25 -20.9 Dark Up 20.6 196.3 Low 09:23:25 - 09:53:25 8521
Chiloquin 09:38:28 -21.7 Dark Up 21.5 195.4 Low 09:23:28 - 09:53:28 8511
Klamath Falls 09:38:27 -22.0 Dark Up 21.8 195.6 Low 09:23:27 - 09:53:27 8492
Paisley 09:38:24 -21.3 Dark Up 21.1 196.7 Low 09:23:24 - 09:53:24 8486
Tulelake 09:38:26 -22.2 Dark Up 22.0 195.9 Low 09:23:26 - 09:53:26 8472
Lakeview 09:38:23 -21.7 Dark Up 21.5 196.9 Low 09:23:23 - 09:53:23 8458
Fall River/Burney 09:38:25 -23.0 Dark Up 22.8 196.0 Low 09:23:25 - 09:53:25 8426
Cedarville 09:38:21 -22.2 Dark Up 22.1 197.1 Low 09:23:21 - 09:53:21 8421
Susanville 09:38:23 -23.4 Dark Up 23.3 196.8 Low 09:23:23 - 09:53:23 8376
Greenville 09:38:24 -23.7 Dark Up 23.6 196.6 Low 09:23:24 - 09:53:24 8369
Gimple 09:38:24 -23.7 Dark Up 23.6 196.7 Low 09:23:24 - 09:53:24 8367
Quincy 09:38:24 -23.9 Dark Up 23.8 196.6 Low 09:23:24 - 09:53:24 8358
Portola 09:38:22 -23.9 Dark Up 23.8 197.1 Low 09:23:22 - 09:53:22 8340
Reno 09:38:20 -23.9 Dark Up 23.9 197.7 Low 09:23:20 - 09:53:20 8310
Carson City 09:38:19 -24.3 Dark Up 24.3 197.8 Low 09:23:19 - 09:53:19 8291
Gardnerville 09:38:19 -24.5 Dark Up 24.5 197.9 Low 09:23:19 - 09:53:19 8277
Yerington 09:38:18 -24.2 Dark Up 24.3 198.4 Low 09:23:18 - 09:53:18 8264
Hawthorne 09:38:16 -24.5 Dark Up 24.6 199.0 Low 09:23:16 - 09:53:16 8226
Lee Vining 09:38:17 -25.2 Dark Up 25.3 198.6 Low 09:23:17 - 09:53:17 8207
Tonopah 09:38:11 -24.4 Dark Up 24.7 200.4 Low 09:23:11 - 09:53:11 8163
Bishop 09:38:15 -25.5 Dark Up 25.6 199.4 Low 09:23:15 - 09:53:15 8154
Lone Pine 09:38:13 -26.0 Dark Up 26.3 199.8 Low 09:23:13 - 09:53:13 8102
CPSLO 09:38:21 -28.1 Dark Up 28.2 197.5 Low 09:23:21 - 09:53:21 8093
Beatty 09:38:09 -25.3 Dark Up 25.6 201.0 Low 09:23:09 - 09:53:09 8084
Indian Springs 09:38:05 -25.2 Dark Up 25.6 202.1 Low 09:23:05 - 09:53:05 8036
Henderson 09:38:03 -25.4 Dark Up 25.9 202.9 Low 09:23:03 - 09:53:03 7985
Wildwood 09:38:14 -28.5 Dark Up 28.8 199.8 Low 09:23:14 - 09:53:14 7966
Searchlight/Boulder City 09:38:02 -25.9 Dark Up 26.4 203.0 Low 09:23:02 - 09:53:02 7948
Niwot 09:37:37 -17.9 AT Up 18.8 210.9 Really Low 09:22:37 - 09:52:37 7935
Laughlin/Bullhead City 09:38:00 -26.0 Dark Up 26.6 203.4 Low 09:23:00 - 09:53:00 7920
Patrick 09:37:59 -25.5 Dark Up 26.1 204.0 Low 09:22:59 - 09:52:59 7915
Kingman/Dolan Springs 09:37:59 -25.8 Dark Up 26.4 203.9 Low 09:22:59 - 09:52:59 7906
Mohave Valley 09:38:01 -26.2 Dark Up 26.8 203.5 Low 09:23:01 - 09:53:01 7903
Idyllwild 09:38:07 -28.1 Dark Up 28.6 201.7 Low 09:23:07 - 09:53:07 7891
DCO 09:37:56 -25.5 Dark Up 26.2 204.8 Low 09:22:56 - 09:52:56 7875
Lake Havasu City 09:38:00 -26.5 Dark Up 27.1 203.8 Low 09:23:00 - 09:53:00 7871
Parker 09:37:59 -26.8 Dark Up 27.4 203.9 Low 09:22:59 - 09:52:59 7848
Blythe 09:38:00 -27.4 Dark Up 28.0 203.7 Low 09:23:00 - 09:53:00 7823
Calipatria 09:38:03 -28.2 Dark Up 28.8 202.9 Low 09:23:03 - 09:53:03 7819
Yuma 09:38:00 -28.2 Dark Up 28.9 203.9 Low 09:23:00 - 09:53:00 7764

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 09:40UT)
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 2018/08/01 17:49:09 UT

Marc W. Buie, Southwest Research Institute

RECON