RECON: TNO occultation with 523682

Event between (523682) 14CN23 and star GA0560:08191896 with event index number of 308617

Geocentric closest approach at 2020/05/03 07:25:12 UTC

J2000 position of star is 15:46:13.9 -33:18:27
Equinox of date position of star is 15:47:29.3 -33:22:04
Stellar brightness G=15.3, use SENSEUP=128
Star is 78 degrees from the moon. Moon is 77% illuminated.
TNO apparent brightness V=21.5

[RECON map]
TNO is 18.4 AU from the Sun and 17.5 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 6.2 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is 910 km.
The sky-plane scale is 12690.8 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 4.8 sec chord
Diameter=42.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 523682, (2020/05/03 07:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.5 -26:28:31  0.9 11.60  85
Eta Lup        16:01:28.6 -38:27:10  2.8  5.81  82
PPM 294249     15:48:02.4 -34:44:40  5.8  1.38  79
PPM 294276     15:49:08.8 -33:11:42  7.6  0.38  78
PPM 294257     15:48:27.2 -33:20:54  8.6  0.20  78
523682         15:47:31.4 -33:22:10 15.3        78
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 5.0 sigma about the mid-time.
The median site spacing is 19.2 km RECON observability=0.1 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 07:26:48 -23.6 Dark Up 4.1 161.3 Really Low 07:19:08 - 07:34:29 7334
Niwot 07:26:10 -33.7 Dark Up 16.2 172.6 Really Low 07:18:30 - 07:33:51 7330
SwRI 07:26:11 -33.8 Dark Up 16.3 172.5 Really Low 07:18:30 - 07:33:51 7324
Kelowna 07:26:49 -24.0 Dark Up 4.4 161.2 Really Low 07:19:09 - 07:34:30 7323
Penticton 07:26:50 -24.3 Dark Up 4.7 161.1 Really Low 07:19:10 - 07:34:31 7314
Summerland 07:26:50 -24.3 Dark Up 4.6 161.0 Really Low 07:19:09 - 07:34:30 7314
Anarchist Mountain Observatory 07:26:50 -24.9 Dark Up 5.3 161.2 Really Low 07:19:09 - 07:34:30 7308
Oliver 07:26:50 -24.7 Dark Up 5.1 161.1 Really Low 07:19:10 - 07:34:31 7307
Tonasket 07:26:51 -25.2 Dark Up 5.5 161.2 Really Low 07:19:10 - 07:34:31 7300
Okanogan 07:26:52 -25.5 Dark Up 5.8 161.0 Really Low 07:19:11 - 07:34:32 7289
Brewster 07:26:53 -25.7 Dark Up 6.0 160.9 Really Low 07:19:12 - 07:34:33 7278
Manson/Chelan 07:26:54 -25.9 Dark Up 6.2 160.6 Really Low 07:19:14 - 07:34:35 7266
Entiat 07:26:54 -26.1 Dark Up 6.4 160.5 Really Low 07:19:14 - 07:34:35 7259
Wenatchee 07:26:55 -26.4 Dark Up 6.6 160.4 Really Low 07:19:15 - 07:34:36 7250
Pasco 07:26:53 -27.6 Dark Up 7.9 161.3 Really Low 07:19:13 - 07:34:34 7248
PNWRO 07:26:53 -27.9 Dark Up 8.2 161.5 Really Low 07:19:12 - 07:34:33 7247
Ellensburg 07:26:57 -26.8 Dark Up 6.9 160.2 Really Low 07:19:16 - 07:34:37 7235
Yakima 07:26:57 -27.2 Dark Up 7.3 160.2 Really Low 07:19:16 - 07:34:37 7224
Toppenish/White Swan 07:26:57 -27.4 Dark Up 7.5 160.3 Really Low 07:19:17 - 07:34:38 7223
Victoria 07:27:03 -24.9 Dark Up 4.8 158.0 Really Low 07:19:22 - 07:34:43 7205
Goldendale 07:26:59 -27.9 Dark Up 8.0 160.0 Really Low 07:19:19 - 07:34:40 7198
The Dalles 07:27:00 -28.1 Dark Up 8.1 159.6 Really Low 07:19:20 - 07:34:41 7183
Maupin 07:27:01 -28.5 Dark Up 8.5 159.7 Really Low 07:19:20 - 07:34:41 7174
Redmond 07:27:02 -29.4 Dark Up 9.3 159.6 Really Low 07:19:22 - 07:34:43 7145
Sisters 07:27:03 -29.3 Dark Up 9.2 159.3 Really Low 07:19:23 - 07:34:44 7136
Bend 07:27:03 -29.6 Dark Up 9.5 159.5 Really Low 07:19:23 - 07:34:44 7136
Oregon Observatory 07:27:04 -29.7 Dark Up 9.6 159.4 Really Low 07:19:23 - 07:34:44 7127
North Lake 07:27:03 -30.4 Dark Up 10.4 159.8 Really Low 07:19:22 - 07:34:43 7120
La Pine/Gilchrist 07:27:04 -29.9 Dark Up 9.8 159.3 Really Low 07:19:23 - 07:34:44 7119
Paisley 07:27:02 -31.0 Dark Up 11.0 160.0 Really Low 07:19:21 - 07:34:42 7111
Lakeview 07:27:02 -31.5 Dark Up 11.5 160.1 Really Low 07:19:22 - 07:34:43 7099
Cedarville 07:27:02 -32.2 Dark Up 12.2 160.2 Really Low 07:19:21 - 07:34:42 7081
Klamath Falls 07:27:07 -31.3 Dark Up 11.1 159.0 Really Low 07:19:27 - 07:34:48 7065
Fall River/Burney 07:27:06 -32.5 Dark Up 12.3 159.2 Really Low 07:19:26 - 07:34:47 7033
Susanville 07:27:05 -33.2 Dark Up 13.1 159.8 Really Low 07:19:24 - 07:34:45 7029
Tonopah 07:26:55 -35.9 Dark Up 16.2 162.4 Really Low 07:19:14 - 07:34:35 7025
Reno 07:27:03 -34.2 Dark Up 14.1 160.4 Really Low 07:19:22 - 07:34:43 7018
Gimple 07:27:06 -33.5 Dark Up 13.3 159.6 Really Low 07:19:26 - 07:34:47 7013
Yerington 07:27:01 -34.8 Dark Up 14.8 160.9 Really Low 07:19:21 - 07:34:42 7013
Portola 07:27:05 -33.9 Dark Up 13.7 159.9 Really Low 07:19:25 - 07:34:46 7012
Greenville 07:27:06 -33.5 Dark Up 13.3 159.5 Really Low 07:19:26 - 07:34:47 7011
Hawthorne 07:27:00 -35.3 Dark Up 15.4 161.2 Really Low 07:19:20 - 07:34:41 7008
Carson City 07:27:04 -34.6 Dark Up 14.5 160.4 Really Low 07:19:23 - 07:34:44 7005
Quincy 07:27:07 -33.7 Dark Up 13.4 159.5 Really Low 07:19:26 - 07:34:47 7004
Indian Springs 07:26:51 -37.5 Dark Up 17.9 163.5 Really Low 07:19:11 - 07:34:32 7000
Gardnerville 07:27:04 -34.8 Dark Up 14.7 160.4 Really Low 07:19:24 - 07:34:45 6997
DCO 07:26:43 -39.1 Dark Up 19.9 165.5 Really Low 07:19:02 - 07:34:23 6994
Henderson 07:26:49 -38.1 Dark Up 18.6 164.0 Really Low 07:19:09 - 07:34:30 6993
Patrick 07:26:45 -38.7 Dark Up 19.4 164.9 Really Low 07:19:05 - 07:34:26 6991
Beatty 07:26:55 -37.1 Dark Up 17.4 162.6 Really Low 07:19:15 - 07:34:36 6988
Kingman/Dolan Springs 07:26:47 -39.0 Dark Up 19.6 164.7 Really Low 07:19:06 - 07:34:27 6977
Lee Vining 07:27:02 -35.8 Dark Up 15.8 160.8 Really Low 07:19:22 - 07:34:43 6974
Searchlight/Boulder City 07:26:50 -38.6 Dark Up 19.2 164.0 Really Low 07:19:09 - 07:34:30 6970
Bishop 07:27:01 -36.5 Dark Up 16.5 161.3 Really Low 07:19:20 - 07:34:41 6967
Laughlin/Bullhead City 07:26:48 -39.0 Dark Up 19.5 164.3 Really Low 07:19:08 - 07:34:29 6964
George/Scottsdale 07:26:39 -40.4 Dark Up 21.5 166.5 Low 07:18:58 - 07:34:19 6959
Mohave Valley 07:26:48 -39.2 Dark Up 19.8 164.3 Really Low 07:19:08 - 07:34:29 6952
Lake Havasu City 07:26:48 -39.6 Dark Up 20.2 164.5 Low 07:19:07 - 07:34:28 6940
Parker 07:26:48 -40.0 Dark Up 20.6 164.4 Low 07:19:08 - 07:34:29 6925
Blythe 07:26:50 -40.5 Dark Up 21.0 164.1 Low 07:19:09 - 07:34:30 6894
Idyllwild 07:26:57 -40.3 Dark Up 20.4 162.4 Low 07:19:17 - 07:34:38 6849
Yuma 07:26:50 -41.4 Dark Up 21.9 164.0 Low 07:19:10 - 07:34:31 6849
Calipatria 07:26:54 -41.0 Dark Up 21.3 163.3 Low 07:19:13 - 07:34:34 6848
CPSLO 07:27:11 -38.3 Dark Up 17.9 159.3 Really Low 07:19:31 - 07:34:52 6818
Wildwood 07:27:04 -39.7 Dark Up 19.6 160.8 Really Low 07:19:24 - 07:34:45 6817

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 523682, (2020/05/03 07:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 11.60  85
Eta Lup        16:00:07.3 -38:23:48  2.8  5.81  82
PPM 294249     15:46:44.1 -34:40:57  5.8  1.38  79
PPM 294276     15:47:51.4 -33:08:00  7.6  0.38  78
PPM 294257     15:47:09.7 -33:17:12  8.6  0.20  78
523682         15:46:13.9 -33:18:27 15.3        78
Positions are for J2000

Event circumstances last updated at 2019/10/15 22:18:32 UT

Marc W. Buie, Southwest Research Institute

RECON