RECON: TNO occultation with 471136

Event between (471136) 10EO65 and star GA0560:24349251 with event index number of 260533

Geocentric closest approach at 2020/05/16 11:13:25 UTC

J2000 position of star is 17:48:18.7 -32:43:11
Equinox of date position of star is 17:49:31.2 -32:43:29
Stellar brightness G=15.7, use SENSEUP=128
Star is 79 degrees from the moon. Moon is 32% illuminated.
TNO apparent brightness V=21.4

[RECON map]
TNO is 15.0 AU from the Sun and 14.1 AU from the Earth.
The TNO is moving 16.1 km/sec on the sky relative to the star, or, 5.7 arcsec/hr.
The 1-sigma error in the time of the event is 263 seconds.
The 1-sigma cross-track error in the shadow position is 858 km.
The sky-plane scale is 10254.3 km/arcsec.

The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 4.7 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 471136, (2020/05/16 11:13UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.6 -26:28:32  0.9 18.24  97
34Ups Sco      17:32:09.1 -37:18:36  2.7  5.82  82
PPM 296722     17:44:55.3 -32:40:14  6.5  1.00  80
PPM 296810     17:49:36.9 -32:40:37  7.7  0.05  79
471136         17:49:38.9 -32:43:31 15.7        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 3.4 sigma about the mid-time.
The median site spacing is 41.4 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)
Penticton 11:11:52 -8.5 CT Up 6.5 193.5 Really Low 10:56:52 - 11:26:52 8026
Oroville 11:11:51 -8.9 CT Up 7.1 193.6 Really Low 10:56:51 - 11:26:51 8013
Tonasket 11:11:51 -9.1 CT Up 7.3 193.6 Really Low 10:56:51 - 11:26:51 8009
Okanogan 11:11:51 -9.4 CT Up 7.7 193.5 Really Low 10:56:51 - 11:26:51 8004
Manson/Chelan 11:11:53 -10.0 CT Up 8.2 193.0 Really Low 10:56:53 - 11:26:53 8003
Brewster 11:11:51 -9.6 CT Up 8.0 193.3 Really Low 10:56:51 - 11:26:51 8002
Entiat 11:11:53 -10.1 CT Up 8.5 193.0 Really Low 10:56:53 - 11:26:53 7999
Wenatchee 11:11:53 -10.4 CT Up 8.7 192.9 Really Low 10:56:53 - 11:26:53 7995
Ellensburg 11:11:53 -10.8 CT Up 9.2 192.7 Really Low 10:56:53 - 11:26:53 7989
Yakima 11:11:53 -11.1 CT Up 9.6 192.7 Really Low 10:56:53 - 11:26:53 7980
Toppenish/White Swan 11:11:52 -11.1 CT Up 9.7 192.9 Really Low 10:56:52 - 11:26:52 7973
Goldendale 11:11:53 -11.7 CT Up 10.3 192.5 Really Low 10:56:53 - 11:26:53 7966
The Dalles 11:11:54 -12.1 AT Up 10.6 192.2 Really Low 10:56:54 - 11:26:54 7966
Maupin 11:11:54 -12.3 AT Up 11.0 192.3 Really Low 10:56:54 - 11:26:54 7954
Pasco 11:11:46 -10.6 CT Up 9.7 193.9 Really Low 10:56:46 - 11:26:46 7950
George/Umatilla 11:11:47 -10.9 CT Up 10.0 193.8 Really Low 10:56:47 - 11:26:47 7945
PNWRO 11:11:45 -10.6 CT Up 9.9 194.1 Really Low 10:56:45 - 11:26:45 7940
Madras/Culver 11:11:53 -12.7 AT Up 11.5 192.3 Really Low 10:56:53 - 11:26:53 7940
Sisters 11:11:55 -13.2 AT Up 11.9 192.0 Really Low 10:56:55 - 11:26:55 7938
Redmond 11:11:53 -13.0 AT Up 11.9 192.3 Really Low 10:56:53 - 11:26:53 7931
Bend 11:11:54 -13.2 AT Up 12.1 192.2 Really Low 10:56:54 - 11:26:54 7927
Oregon Observatory 11:11:54 -13.4 AT Up 12.3 192.1 Really Low 10:56:54 - 11:26:54 7924
La Pine/Gilchrist 11:11:54 -13.6 AT Up 12.5 192.1 Really Low 10:56:54 - 11:26:54 7919
North Lake 11:11:51 -13.6 AT Up 12.9 192.6 Really Low 10:56:51 - 11:26:51 7898
Chiloquin 11:11:55 -14.5 AT Up 13.7 191.8 Really Low 10:56:55 - 11:26:55 7892
Klamath Falls 11:11:54 -14.7 AT Up 14.0 191.9 Really Low 10:56:54 - 11:26:54 7880
Paisley 11:11:49 -13.8 AT Up 13.3 192.9 Really Low 10:56:49 - 11:26:49 7875
Tulelake 11:11:52 -14.8 AT Up 14.2 192.2 Really Low 10:56:52 - 11:26:52 7867
Lakeview 11:11:47 -14.0 AT Up 13.8 193.1 Really Low 10:56:47 - 11:26:47 7857
Fall River/Burney 11:11:51 -15.3 AT Up 15.1 192.3 Really Low 10:56:51 - 11:26:51 7837
Cedarville 11:11:46 -14.4 AT Up 14.4 193.3 Really Low 10:56:46 - 11:26:46 7833
Susanville 11:11:47 -15.4 AT Up 15.6 192.9 Really Low 10:56:47 - 11:26:47 7803
Greenville 11:11:48 -15.7 AT Up 15.9 192.7 Really Low 10:56:48 - 11:26:48 7799
Gimple 11:11:48 -15.7 AT Up 15.9 192.8 Really Low 10:56:48 - 11:26:48 7797
Quincy 11:11:49 -15.9 AT Up 16.1 192.7 Really Low 10:56:49 - 11:26:49 7791
Portola 11:11:46 -15.7 AT Up 16.1 193.1 Really Low 10:56:46 - 11:26:46 7779
Reno 11:11:42 -15.5 AT Up 16.3 193.7 Really Low 10:56:42 - 11:26:42 7758
Carson City 11:11:42 -15.7 AT Up 16.6 193.7 Really Low 10:56:42 - 11:26:42 7745
Gardnerville 11:11:41 -15.9 AT Up 16.9 193.8 Really Low 10:56:41 - 11:26:41 7735
Yerington 11:11:39 -15.5 AT Up 16.7 194.3 Really Low 10:56:39 - 11:26:39 7726
Hawthorne 11:11:35 -15.5 AT Up 17.1 194.8 Really Low 10:56:35 - 11:26:35 7699
Lee Vining 11:11:37 -16.2 AT Up 17.7 194.4 Really Low 10:56:37 - 11:26:37 7686
Tonopah 11:11:28 -15.0 AT Up 17.2 196.0 Really Low 10:56:28 - 11:26:28 7654
Bishop 11:11:33 -16.1 AT Up 18.1 195.0 Really Low 10:56:33 - 11:26:33 7649
Lone Pine 11:11:31 -16.4 AT Up 18.8 195.4 Really Low 10:56:31 - 11:26:31 7611
CPSLO 11:11:43 -18.8 Dark Up 20.6 193.3 Low 10:56:43 - 11:26:43 7604
Beatty 11:11:24 -15.5 AT Up 18.2 196.5 Really Low 10:56:24 - 11:26:24 7598
Indian Springs 11:11:19 -15.0 AT Up 18.3 197.4 Really Low 10:56:19 - 11:26:19 7561
Henderson 11:11:14 -14.9 AT Up 18.6 198.0 Really Low 10:56:14 - 11:26:14 7523
Wildwood 11:11:31 -18.4 Dark Up 21.3 195.2 Low 10:56:31 - 11:26:31 7511
Searchlight/Boulder City 11:11:13 -15.2 AT Up 19.2 198.1 Really Low 10:56:13 - 11:26:13 7497
Laughlin/Bullhead City 11:11:12 -15.2 AT Up 19.4 198.4 Really Low 10:56:12 - 11:26:12 7476
Patrick 11:11:08 -14.6 AT Up 19.0 199.0 Really Low 10:56:08 - 11:26:08 7471
Kingman/Dolan Springs 11:11:09 -14.9 AT Up 19.2 198.9 Really Low 10:56:09 - 11:26:09 7465
Mohave Valley 11:11:11 -15.4 AT Up 19.6 198.5 Really Low 10:56:11 - 11:26:11 7463
Idyllwild 11:11:20 -17.4 AT Up 21.3 196.8 Low 10:56:20 - 11:26:20 7456
Niwot 11:10:35 -6.4 CT Up 12.1 205.5 Really Low 10:55:35 - 11:25:35 7451
DCO 11:11:04 -14.3 AT Up 19.1 199.6 Really Low 10:56:04 - 11:26:04 7440
Lake Havasu City 11:11:09 -15.4 AT Up 19.9 198.7 Really Low 10:56:09 - 11:26:09 7439
Parker 11:11:09 -15.6 AT Up 20.3 198.8 Low 10:56:09 - 11:26:09 7422
Blythe 11:11:09 -16.2 AT Up 20.8 198.6 Low 10:56:09 - 11:26:09 7404
Calipatria 11:11:14 -17.1 AT Up 21.6 197.9 Low 10:56:14 - 11:26:14 7401
Yuma 11:11:09 -16.7 AT Up 21.7 198.7 Low 10:56:09 - 11:26:09 7360

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 471136, (2020/05/16 11:13UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.24  97
34Ups Sco      17:30:45.8 -37:17:46  2.7  5.82  82
PPM 296722     17:43:35.2 -32:39:46  6.5  1.00  80
PPM 296810     17:48:16.8 -32:40:17  7.7  0.05  79
471136         17:48:18.7 -32:43:11 15.7        79
Positions are for J2000

Event circumstances last updated at 2018/05/31 17:30:23 UT

Marc W. Buie, Southwest Research Institute

RECON