RECON: TNO occultation with 470599

Event between (470599) 08OG19 and star UC4-398-132114 with event index number of 152740

Geocentric closest approach at 2018/10/06 02:15:18 UTC

J2000 position of star is 20:54:09.3 -10:28:14
Equinox of date position of star is 20:55:04.1 -10:24:21
Stellar brightness R=16.5
Star is 159 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=20.7

[RECON map]
TNO is 38.7 AU from the Sun and 38.2 AU from the Earth.
The TNO is moving 10.0 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 265 seconds.
The 1-sigma cross-track error in the shadow position is 1780 km.
The sky-plane scale is 27709.5 km/arcsec.

The TNO has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 69.3 sec chord
Diameter=282.4 km assuming a 30% albedo -- 28.3 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 470599, (2018/10/06 02:15UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:41.0 -29:31:20  1.2 34.56 161
Tarazed        19:47:09.1 +10:39:37  2.7 27.01 135
6Mu Aqr        20:53:39.9 -08:54:43  4.7  1.53 159
PPM 238064     20:55:04.3 -10:51:08  7.2  0.45 159
PPM 238046     20:54:28.2 -10:34:17  9.6  0.24 159
470599         20:55:10.3 -10:23:54 16.5       159
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 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)
Gimple 02:13:13 25.7 Sun up Up -26.8 243.5 Not Up 01:58:13 - 02:28:13 932
Manson/Chelan 02:11:55 -7.6 CT Down 27.2 151.0 Low 01:56:55 - 02:26:55 653
Entiat 02:11:57 -7.6 CT Down 27.4 150.9 Low 01:56:57 - 02:26:57 651
Oroville 02:11:45 -8.0 CT Down 26.5 151.9 Low 01:56:45 - 02:26:45 650
Wenatchee 02:12:00 -7.5 CT Down 27.6 150.7 Low 01:57:00 - 02:27:00 648
Ellensburg 02:12:04 -7.4 CT Down 27.9 150.4 Low 01:57:04 - 02:27:04 647
Tonasket 02:11:47 -8.0 CT Down 26.7 151.9 Low 01:56:47 - 02:26:47 644
Brewster 02:11:51 -7.8 CT Down 27.2 151.4 Low 01:56:51 - 02:26:51 644
Okanogan 02:11:49 -8.0 CT Down 27.0 151.7 Low 01:56:49 - 02:26:49 642
Yakima 02:12:06 -7.4 CT Down 28.3 150.3 Low 01:57:06 - 02:27:06 638
The Dalles 02:12:16 -7.0 CT Down 28.9 149.4 Low 01:57:16 - 02:27:16 637
Goldendale 02:12:12 -7.2 CT Down 28.8 149.8 Low 01:57:12 - 02:27:12 629
Toppenish/White Swan 02:12:06 -7.5 CT Down 28.5 150.4 Low 01:57:06 - 02:27:06 626
Maupin 02:12:19 -7.1 CT Down 29.3 149.4 Low 01:57:19 - 02:27:19 622
Sisters 02:12:28 -6.7 CT Down 29.9 148.6 Low 01:57:28 - 02:27:28 618
Madras/Culver 02:12:24 -7.0 CT Down 29.8 149.2 Low 01:57:24 - 02:27:24 609
Oregon Observatory 02:12:31 -6.8 CT Down 30.3 148.7 Up 01:57:31 - 02:27:31 601
Redmond 02:12:25 -7.0 CT Down 30.1 149.1 Up 01:57:25 - 02:27:25 601
Bend 02:12:28 -6.9 CT Down 30.2 148.9 Up 01:57:28 - 02:27:28 601
La Pine/Gilchrist 02:12:31 -6.8 CT Down 30.5 148.6 Up 01:57:31 - 02:27:31 598
Chiloquin 02:12:40 -6.5 CT Down 31.3 147.9 Up 01:57:40 - 02:27:40 579
Pasco 02:11:59 -8.4 CT Down 29.0 151.7 Low 01:56:59 - 02:26:59 572
George/Umatilla 02:12:03 -8.2 CT Down 29.3 151.4 Low 01:57:03 - 02:27:03 572
Klamath Falls 02:12:43 -6.6 CT Down 31.6 147.9 Up 01:57:43 - 02:27:43 565
North Lake 02:12:31 -7.2 CT Down 31.1 149.1 Up 01:57:31 - 02:27:31 560
PNWRO 02:12:00 -8.5 CT Down 29.3 151.8 Low 01:57:00 - 02:27:00 556
Tulelake 02:12:42 -6.8 CT Down 32.0 148.1 Up 01:57:42 - 02:27:42 544
Paisley 02:12:32 -7.5 CT Down 31.7 149.3 Up 01:57:32 - 02:27:32 528
Fall River/Burney 02:12:48 -6.9 CT Down 32.8 147.9 Up 01:57:48 - 02:27:48 511
Lakeview 02:12:35 -7.6 CT Down 32.2 149.3 Up 01:57:35 - 02:27:35 504
Cedarville 02:12:38 -7.8 CT Down 32.8 149.3 Up 01:57:38 - 02:27:38 475
Greenville 02:12:51 -7.2 CT Down 33.7 148.1 Up 01:57:51 - 02:27:51 461
Susanville 02:12:48 -7.4 CT Down 33.6 148.5 Up 01:57:48 - 02:27:48 458
Quincy 02:12:53 -7.2 CT Down 33.9 148.0 Up 01:57:53 - 02:27:53 453
Portola 02:12:51 -7.6 CT Down 34.2 148.5 Up 01:57:51 - 02:27:51 428
Reno 02:12:49 -8.1 CT Down 34.7 149.1 Up 01:57:49 - 02:27:49 390
Carson City 02:12:51 -8.1 CT Down 35.0 149.0 Up 01:57:51 - 02:27:51 375
Gardnerville 02:12:53 -8.2 CT Down 35.2 149.0 Up 01:57:53 - 02:27:53 364
Yerington 02:12:48 -8.6 CT Down 35.4 149.6 Up 01:57:48 - 02:27:48 340
Lee Vining 02:12:55 -8.7 CT Down 36.3 149.3 Up 01:57:55 - 02:27:55 298
Hawthorne 02:12:48 -9.0 CT Down 36.0 150.0 Up 01:57:48 - 02:27:48 298
CPSLO 02:13:24 -7.5 CT Down 38.0 146.6 Up 01:58:24 - 02:28:24 258
Bishop 02:12:55 -9.2 CT Down 37.1 149.9 Up 01:57:55 - 02:27:55 240
Tonopah 02:12:42 -10.1 CT Down 37.0 151.4 Up 01:57:42 - 02:27:42 214
Lone Pine 02:12:57 -9.5 CT Down 37.9 150.0 Up 01:57:57 - 02:27:57 193
Beatty 02:12:47 -10.5 CT Down 38.2 151.5 Up 01:57:47 - 02:27:47 144
Wildwood 02:13:19 -9.2 CT Down 39.9 148.4 Up 01:58:19 - 02:28:19 108
Indian Springs 02:12:42 -11.4 CT Down 38.8 152.6 Up 01:57:42 - 02:27:42 78
Henderson 02:12:41 -12.0 CT Down 39.6 153.3 Up 01:57:41 - 02:27:41 20
Idyllwild 02:13:08 -10.7 CT Down 41.0 150.4 Up 01:58:08 - 02:28:08 -2
Searchlight/Boulder City 02:12:44 -12.0 AT Down 40.1 153.1 Up 01:57:44 - 02:27:44 -12
Laughlin/Bullhead City 02:12:43 -12.3 AT Down 40.5 153.4 Up 01:57:43 - 02:27:43 -41
Mohave Valley 02:12:45 -12.4 AT Down 40.8 153.3 Up 01:57:45 - 02:27:45 -54
Patrick 02:12:38 -12.9 AT Down 40.5 154.3 Up 01:57:38 - 02:27:38 -64
Kingman/Dolan Springs 02:12:40 -12.8 AT Down 40.7 154.0 Up 01:57:40 - 02:27:40 -65
Lake Havasu City 02:12:46 -12.6 AT Down 41.2 153.5 Up 01:57:46 - 02:27:46 -85
Calipatria 02:13:04 -11.7 CT Down 42.0 151.6 Up 01:58:04 - 02:28:04 -91
Parker 02:12:49 -12.6 AT Down 41.5 153.4 Up 01:57:49 - 02:27:49 -104
Blythe 02:12:54 -12.4 AT Down 41.9 152.9 Up 01:57:54 - 02:27:54 -114
DCO 02:12:35 -13.5 AT Down 41.1 155.1 Up 01:57:35 - 02:27:35 -115
Yuma 02:13:00 -12.5 AT Down 42.7 152.5 Up 01:58:00 - 02:28:00 -158
Niwot 02:11:12 -18.9 Dark Down 38.4 165.9 Up 01:56:12 - 02:26:12 -286

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 470599, (2018/10/06 02:15UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 34.56 161
Tarazed        19:46:15.6 +10:36:48  2.7 27.01 135
6Mu Aqr        20:52:39.3 -08:59:00  4.7  1.53 159
PPM 238064     20:54:03.1 -10:55:27  7.2  0.45 159
PPM 238046     20:53:27.1 -10:38:36  9.6  0.24 159
470599         20:54:09.3 -10:28:14 16.5       159
Positions are for J2000

Event circumstances last updated at 2016/11/02 17:56:55 UT

Marc W. Buie, Southwest Research Institute

RECON