RECON: TNO occultation with 10JJ124

Event between 10JJ124 and star GA0720:22940697 with event index number of 288391

Geocentric closest approach at 2020/06/11 05:16:53 UTC

J2000 position of star is 18:28:41.4 -17:20:43
Equinox of date position of star is 18:29:51.8 -17:19:52
Stellar brightness G=17.0, use SENSEUP=128
Star is 52 degrees from the moon. Moon is 70% illuminated.
TNO apparent brightness V=24.0

[RECON map]
TNO is 25.0 AU from the Sun and 24.0 AU from the Earth.
The TNO is moving 22.7 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 190 seconds.
The 1-sigma cross-track error in the shadow position is 3536 km.
The sky-plane scale is 17429.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=284.5 km assuming a 5% albedo -- 2.7 sec chord
Diameter=116.1 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10JJ124, (2020/06/11 05:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.9 -26:28:32  0.9 29.04  78
Nunki          18:56:31.9 -26:16:10  2.0 10.87  45
PPM 234652     18:32:38.2 -18:23:13  5.0  1.24  51
PPM 234567     18:29:08.1 -17:47:10  7.0  0.49  52
PPM 234605     18:30:42.9 -17:20:16  9.8  0.20  52
10JJ124        18:29:52.7 -17:19:51 17.0        52
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 4.7 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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)
Clarence Fulton 05:20:04 -8.9 NT Down 6.2 126.9 Really Low 05:05:04 - 05:35:04 6785
Kelowna 05:20:06 -9.1 NT Down 6.4 126.7 Really Low 05:05:06 - 05:35:06 6755
Peachland 05:20:06 -9.1 NT Down 6.3 126.4 Really Low 05:05:06 - 05:35:06 6741
Summerland 05:20:06 -9.2 NT Down 6.4 126.5 Really Low 05:05:06 - 05:35:06 6733
Penticton 05:20:07 -9.3 NT Down 6.5 126.6 Really Low 05:05:07 - 05:35:07 6731
Oliver 05:20:08 -9.6 NT Down 6.7 126.6 Really Low 05:05:08 - 05:35:08 6707
Anarchist Mountain Observatory 05:20:08 -9.8 NT Down 6.9 126.7 Really Low 05:05:08 - 05:35:08 6701
Tonasket 05:20:08 -10.1 NT Down 7.1 126.6 Really Low 05:05:08 - 05:35:08 6678
Okanogan 05:20:10 -10.3 NT Down 7.2 126.5 Really Low 05:05:10 - 05:35:10 6651
Brewster 05:20:10 -10.4 NT Down 7.3 126.3 Really Low 05:05:10 - 05:35:10 6627
Manson/Chelan 05:20:12 -10.4 NT Down 7.2 126.0 Really Low 05:05:12 - 05:35:12 6603
Entiat 05:20:13 -10.6 NT Down 7.3 125.9 Really Low 05:05:13 - 05:35:13 6585
Wenatchee 05:20:13 -10.7 NT Down 7.4 125.8 Really Low 05:05:13 - 05:35:13 6565
Victoria 05:20:15 -8.6 NT Down 5.0 123.5 Really Low 05:05:15 - 05:35:15 6563
Ellensburg 05:20:15 -11.0 NT Down 7.5 125.6 Really Low 05:05:15 - 05:35:15 6530
Pasco 05:20:14 -12.2 AT Down 8.7 126.6 Really Low 05:05:14 - 05:35:14 6514
PNWRO 05:20:15 -12.5 AT Down 9.0 126.8 Really Low 05:05:15 - 05:35:15 6503
Yakima 05:20:15 -11.3 NT Down 7.7 125.5 Really Low 05:05:15 - 05:35:15 6500
Toppenish/White Swan 05:20:16 -11.5 NT Down 7.9 125.6 Really Low 05:05:16 - 05:35:16 6489
Niwot 05:19:57 -22.6 Dark Down 20.3 136.7 Low 05:04:57 - 05:34:57 6459
SwRI 05:19:57 -22.7 Dark Down 20.4 136.6 Low 05:04:57 - 05:34:57 6448
Goldendale 05:20:18 -11.8 NT Down 8.0 125.3 Really Low 05:05:18 - 05:35:18 6438
The Dalles 05:20:19 -11.8 NT Down 7.9 124.9 Really Low 05:05:19 - 05:35:19 6411
Maupin 05:20:20 -12.2 AT Down 8.3 125.0 Really Low 05:05:20 - 05:35:20 6383
Redmond 05:20:22 -12.9 AT Down 8.7 124.8 Really Low 05:05:22 - 05:35:22 6314
Sisters 05:20:23 -12.7 AT Down 8.5 124.5 Really Low 05:05:23 - 05:35:23 6305
Bend 05:20:22 -13.0 AT Down 8.8 124.7 Really Low 05:05:22 - 05:35:22 6294
Oregon Observatory 05:20:24 -13.1 AT Down 8.8 124.6 Really Low 05:05:24 - 05:35:24 6277
La Pine/Gilchrist 05:20:24 -13.2 AT Down 8.9 124.5 Really Low 05:05:24 - 05:35:24 6260
North Lake 05:20:24 -13.8 AT Down 9.5 124.9 Really Low 05:05:24 - 05:35:24 6244
Paisley 05:20:24 -14.4 AT Down 10.0 125.1 Really Low 05:05:24 - 05:35:24 6212
Lakeview 05:20:26 -14.9 AT Down 10.4 125.2 Really Low 05:05:26 - 05:35:26 6179
Klamath Falls 05:20:28 -14.2 AT Down 9.5 124.1 Really Low 05:05:28 - 05:35:28 6141
Cedarville 05:20:26 -15.5 AT Down 10.9 125.2 Really Low 05:05:26 - 05:35:26 6133
Fall River/Burney 05:20:30 -15.3 AT Down 10.4 124.2 Really Low 05:05:30 - 05:35:30 6059
Susanville 05:20:30 -16.2 AT Down 11.3 124.7 Really Low 05:05:30 - 05:35:30 6031
Gimple 05:20:31 -16.3 AT Down 11.3 124.5 Really Low 05:05:31 - 05:35:31 6002
Greenville 05:20:30 -16.2 AT Down 11.2 124.4 Really Low 05:05:30 - 05:35:30 6000
Portola 05:20:31 -16.7 AT Down 11.7 124.7 Really Low 05:05:31 - 05:35:31 5988
Reno 05:20:30 -17.2 AT Down 12.3 125.1 Really Low 05:05:30 - 05:35:30 5986
Quincy 05:20:31 -16.4 AT Down 11.3 124.4 Really Low 05:05:31 - 05:35:31 5984
Yerington 05:20:30 -18.0 AT Down 13.0 125.5 Really Low 05:05:30 - 05:35:30 5961
Carson City 05:20:31 -17.5 AT Down 12.5 125.1 Really Low 05:05:31 - 05:35:31 5958
Tonopah 05:20:28 -19.6 Dark Down 14.8 126.7 Really Low 05:05:28 - 05:35:28 5945
Hawthorne 05:20:30 -18.6 Dark Down 13.6 125.8 Really Low 05:05:30 - 05:35:30 5940
Gardnerville 05:20:31 -17.8 AT Down 12.7 125.1 Really Low 05:05:31 - 05:35:31 5940
Lee Vining 05:20:31 -18.8 Dark Down 13.6 125.3 Really Low 05:05:31 - 05:35:31 5880
Indian Springs 05:20:27 -21.6 Dark Down 16.7 127.6 Really Low 05:05:27 - 05:35:27 5871
Beatty 05:20:29 -20.8 Dark Down 15.8 126.8 Really Low 05:05:29 - 05:35:29 5865
Bishop 05:20:31 -19.7 Dark Down 14.5 125.7 Really Low 05:05:31 - 05:35:31 5853
Henderson 05:20:26 -22.3 Dark Down 17.4 127.9 Really Low 05:05:26 - 05:35:26 5849
Patrick 05:20:25 -23.3 Dark Down 18.5 128.6 Really Low 05:05:25 - 05:35:25 5832
DCO 05:20:24 -23.9 Dark Down 19.2 129.1 Really Low 05:05:24 - 05:35:24 5830
Kingman/Dolan Springs 05:20:25 -23.4 Dark Down 18.5 128.4 Really Low 05:05:25 - 05:35:25 5808
Searchlight/Boulder City 05:20:27 -22.8 Dark Down 17.8 127.8 Really Low 05:05:27 - 05:35:27 5804
Laughlin/Bullhead City 05:20:27 -23.2 Dark Down 18.2 128.0 Really Low 05:05:27 - 05:35:27 5790
Mohave Valley 05:20:27 -23.5 Dark Down 18.4 128.0 Really Low 05:05:27 - 05:35:27 5767
George/Scottsdale 05:20:23 -25.7 Dark Down 20.9 129.7 Low 05:05:23 - 05:35:23 5755
Lake Havasu City 05:20:27 -23.9 Dark Down 18.8 128.0 Really Low 05:05:27 - 05:35:27 5742
Parker 05:20:28 -24.2 Dark Down 19.0 128.0 Really Low 05:05:28 - 05:35:28 5713
Blythe 05:20:30 -24.5 Dark Down 19.2 127.6 Really Low 05:05:30 - 05:35:30 5659
CPSLO 05:20:39 -20.2 Dark Down 14.2 123.7 Really Low 05:05:39 - 05:35:39 5610
Idyllwild 05:20:34 -23.4 Dark Down 17.7 126.1 Really Low 05:05:34 - 05:35:34 5602
Calipatria 05:20:32 -24.5 Dark Down 18.9 126.8 Really Low 05:05:32 - 05:35:32 5587
Yuma 05:20:30 -25.2 Dark Down 19.7 127.3 Really Low 05:05:30 - 05:35:30 5579
Wildwood 05:20:37 -22.2 Dark Down 16.2 124.9 Really Low 05:05:37 - 05:35:37 5572

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 10JJ124, (2020/06/11 05:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 29.04  78
Nunki          18:55:15.9 -26:17:49  2.0 10.87  45
PPM 234652     18:31:26.3 -18:24:10  5.0  1.24  51
PPM 234567     18:27:56.5 -17:48:01  7.0  0.49  52
PPM 234605     18:29:31.5 -17:21:10  9.8  0.20  52
10JJ124        18:28:41.4 -17:20:43 17.0        52
Positions are for J2000

Event circumstances last updated at 2020/03/09 21:14:54 UT

Marc W. Buie, Southwest Research Institute

RECON