RECON: TNO occultation with 470599

Event between (470599) 08OG19 and star GA0780:21669177 with event index number of 152740

Geocentric closest approach at 2018/10/06 02:11:42 UTC

J2000 position of star is 20:54:09.3 -10:28:14
Equinox of date position of star is 20:55:09.2 -10:23:59
Stellar brightness G=16.4, use SENSEUP=128
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 416 seconds.
The 1-sigma cross-track error in the shadow position is 2386 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 02:12UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:41.0 -29:31:21  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     20:55:04.2 -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 16.4       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 2.2 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)
Penticton 02:08:09 -7.4 CT Down 25.7 151.0 Low 01:53:09 - 02:23:09 704
Manson/Chelan 02:08:24 -7.0 CT Down 27.0 150.1 Low 01:53:24 - 02:23:24 692
Entiat 02:08:25 -7.0 CT Down 27.1 149.9 Low 01:53:25 - 02:23:25 690
Oroville 02:08:13 -7.5 CT Down 26.3 151.0 Low 01:53:13 - 02:23:13 688
Wenatchee 02:08:27 -6.9 CT Down 27.3 149.8 Low 01:53:27 - 02:23:27 688
Ellensburg 02:08:31 -6.8 CT Down 27.6 149.5 Low 01:53:31 - 02:23:31 687
Brewster 02:08:20 -7.3 CT Down 26.9 150.5 Low 01:53:20 - 02:23:20 683
Tonasket 02:08:14 -7.5 CT Down 26.5 151.0 Low 01:53:14 - 02:23:14 683
Okanogan 02:08:17 -7.4 CT Down 26.7 150.7 Low 01:53:17 - 02:23:17 681
Yakima 02:08:35 -6.8 CT Down 28.0 149.3 Low 01:53:35 - 02:23:35 678
The Dalles 02:08:44 -6.4 CT Down 28.6 148.5 Low 01:53:44 - 02:23:44 677
Goldendale 02:08:41 -6.6 CT Down 28.5 148.9 Low 01:53:41 - 02:23:41 669
Toppenish/White Swan 02:08:35 -6.9 CT Down 28.2 149.5 Low 01:53:35 - 02:23:35 666
Maupin 02:08:46 -6.4 CT Down 29.0 148.5 Low 01:53:46 - 02:23:46 662
Sisters 02:08:56 -6.1 CT Down 29.6 147.7 Low 01:53:56 - 02:23:56 658
Madras/Culver 02:08:51 -6.4 CT Down 29.4 148.3 Low 01:53:51 - 02:23:51 650
Oregon Observatory 02:08:57 -6.2 CT Down 30.0 147.7 Low 01:53:57 - 02:23:57 642
Redmond 02:08:53 -6.4 CT Down 29.7 148.1 Low 01:53:53 - 02:23:53 642
Bend 02:08:55 -6.3 CT Down 29.9 147.9 Low 01:53:55 - 02:23:55 641
La Pine/Gilchrist 02:08:59 -6.1 CT Down 30.1 147.6 Up 01:53:59 - 02:23:59 638
Chiloquin 02:09:09 -5.9 CT Down 30.9 146.9 Up 01:54:09 - 02:24:09 620
Pasco 02:08:29 -7.8 CT Down 28.7 150.7 Low 01:53:29 - 02:23:29 613
George/Umatilla 02:08:32 -7.6 CT Down 29.0 150.4 Low 01:53:32 - 02:23:32 613
Klamath Falls 02:09:12 -5.9 CT Down 31.3 146.9 Up 01:54:12 - 02:24:12 607
North Lake 02:09:00 -6.6 CT Down 30.7 148.1 Up 01:54:00 - 02:24:00 602
PNWRO 02:08:28 -7.9 CT Down 29.0 150.9 Low 01:53:28 - 02:23:28 598
Tulelake 02:09:12 -6.2 CT Down 31.6 147.2 Up 01:54:12 - 02:24:12 586
Paisley 02:09:00 -6.8 CT Down 31.3 148.3 Up 01:54:00 - 02:24:00 570
Fall River/Burney 02:09:16 -6.2 CT Down 32.4 146.9 Up 01:54:16 - 02:24:16 554
Lakeview 02:09:03 -7.0 CT Down 31.8 148.4 Up 01:54:03 - 02:24:03 547
Cedarville 02:09:06 -7.1 CT Down 32.5 148.4 Up 01:54:06 - 02:24:06 518
Greenville 02:09:21 -6.6 CT Down 33.4 147.1 Up 01:54:21 - 02:24:21 504
Susanville 02:09:17 -6.8 CT Down 33.2 147.5 Up 01:54:17 - 02:24:17 501
Gimple 02:09:20 -6.6 CT Down 33.4 147.2 Up 01:54:20 - 02:24:20 501
Quincy 02:09:22 -6.6 CT Down 33.5 147.1 Up 01:54:22 - 02:24:22 497
Portola 02:09:19 -6.9 CT Down 33.8 147.5 Up 01:54:19 - 02:24:19 472
Reno 02:09:18 -7.4 CT Down 34.3 148.1 Up 01:54:18 - 02:24:18 435
Carson City 02:09:21 -7.4 CT Down 34.6 148.0 Up 01:54:21 - 02:24:21 421
Gardnerville 02:09:22 -7.5 CT Down 34.9 148.0 Up 01:54:22 - 02:24:22 410
Yerington 02:09:18 -7.9 CT Down 35.1 148.6 Up 01:54:18 - 02:24:18 386
Lee Vining 02:09:25 -8.0 CT Down 36.0 148.3 Up 01:54:25 - 02:24:25 345
Hawthorne 02:09:18 -8.3 CT Down 35.7 149.0 Up 01:54:18 - 02:24:18 345
CPSLO 02:09:53 -6.8 CT Down 37.6 145.7 Up 01:54:53 - 02:24:53 307
Bishop 02:09:24 -8.5 CT Down 36.8 148.9 Up 01:54:24 - 02:24:24 288
Tonopah 02:09:12 -9.4 CT Down 36.6 150.4 Up 01:54:12 - 02:24:12 262
Lone Pine 02:09:27 -8.8 CT Down 37.6 149.0 Up 01:54:27 - 02:24:27 241
Beatty 02:09:16 -9.8 CT Down 37.8 150.5 Up 01:54:16 - 02:24:16 193
Wildwood 02:09:48 -8.4 CT Down 39.5 147.4 Up 01:54:48 - 02:24:48 158
Indian Springs 02:09:12 -10.7 CT Down 38.5 151.6 Up 01:54:12 - 02:24:12 128
Henderson 02:09:10 -11.3 CT Down 39.3 152.2 Up 01:54:10 - 02:24:10 71
Idyllwild 02:09:37 -10.0 CT Down 40.6 149.4 Up 01:54:37 - 02:24:37 50
Searchlight/Boulder City 02:09:14 -11.3 CT Down 39.8 152.1 Up 01:54:14 - 02:24:14 42
Laughlin/Bullhead City 02:09:13 -11.6 CT Down 40.2 152.4 Up 01:54:13 - 02:24:13 12
Mohave Valley 02:09:15 -11.6 CT Down 40.4 152.3 Up 01:54:15 - 02:24:15 -2
Patrick 02:09:07 -12.2 AT Down 40.2 153.3 Up 01:54:07 - 02:24:07 -12
Kingman/Dolan Springs 02:09:10 -12.0 AT Down 40.4 153.0 Up 01:54:10 - 02:24:10 -13
Lake Havasu City 02:09:16 -11.9 CT Down 40.9 152.4 Up 01:54:16 - 02:24:16 -32
Calipatria 02:09:34 -11.0 CT Down 41.6 150.5 Up 01:54:34 - 02:24:34 -37
Parker 02:09:18 -11.9 CT Down 41.2 152.3 Up 01:54:18 - 02:24:18 -50
Blythe 02:09:24 -11.7 CT Down 41.6 151.8 Up 01:54:24 - 02:24:24 -60
DCO 02:09:04 -12.8 AT Down 40.7 154.0 Up 01:54:04 - 02:24:04 -61
Yuma 02:09:30 -11.7 CT Down 42.4 151.4 Up 01:54:30 - 02:24:30 -103
Niwot 02:07:41 -18.3 Dark Down 38.2 164.8 Up 01:52:41 - 02:22:41 -234

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 02:12UT)
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 16.4       159
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:28:49 UT

Marc W. Buie, Southwest Research Institute

RECON