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 02:15:16 UTC

J2000 position of star is 20:54:09.3 -10:28:14
Equinox of date position of star is 20:55:07.6 -10:24:06
Stellar brightness R=16.5, 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 332 seconds.
The 1-sigma cross-track error in the shadow position is 2038 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 -29:31:21  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 16.5       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 2.7 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)
Manson/Chelan 02:11:56 -7.6 CT Down 27.2 151.0 Low 01:56:56 - 02:26:56 664
Entiat 02:11:58 -7.6 CT Down 27.4 150.9 Low 01:56:58 - 02:26:58 661
Oroville 02:11:45 -8.0 CT Down 26.5 151.9 Low 01:56:45 - 02:26:45 660
Wenatchee 02:11:59 -7.5 CT Down 27.6 150.7 Low 01:56:59 - 02:26:59 659
Ellensburg 02:12:04 -7.4 CT Down 27.9 150.4 Low 01:57:04 - 02:27:04 658
Tonasket 02:11:46 -8.0 CT Down 26.7 151.9 Low 01:56:46 - 02:26:46 655
Brewster 02:11:52 -7.8 CT Down 27.2 151.4 Low 01:56:52 - 02:26:52 655
Okanogan 02:11:50 -8.0 CT Down 27.0 151.7 Low 01:56:50 - 02:26:50 653
Yakima 02:12:07 -7.4 CT Down 28.3 150.3 Low 01:57:07 - 02:27:07 649
The Dalles 02:12:17 -7.0 CT Down 28.9 149.4 Low 01:57:17 - 02:27:17 648
Goldendale 02:12:13 -7.2 CT Down 28.8 149.8 Low 01:57:13 - 02:27:13 639
Toppenish/White Swan 02:12:07 -7.5 CT Down 28.5 150.4 Low 01:57:07 - 02:27:07 637
Maupin 02:12:19 -7.1 CT Down 29.3 149.4 Low 01:57:19 - 02:27:19 633
Sisters 02:12:28 -6.7 CT Down 29.9 148.6 Low 01:57:28 - 02:27:28 628
Madras/Culver 02:12:22 -7.0 CT Down 29.8 149.2 Low 01:57:22 - 02:27:22 620
Redmond 02:12:25 -7.0 CT Down 30.1 149.1 Up 01:57:25 - 02:27:25 612
Oregon Observatory 02:12:30 -6.8 CT Down 30.3 148.7 Up 01:57:30 - 02:27:30 612
Bend 02:12:28 -6.9 CT Down 30.2 148.9 Up 01:57:28 - 02:27:28 611
La Pine/Gilchrist 02:12:32 -6.8 CT Down 30.5 148.6 Up 01:57:32 - 02:27:32 608
Chiloquin 02:12:42 -6.5 CT Down 31.3 147.9 Up 01:57:42 - 02:27:42 590
Pasco 02:12:01 -8.4 CT Down 29.0 151.7 Low 01:57:01 - 02:27:01 583
George/Umatilla 02:12:04 -8.2 CT Down 29.3 151.4 Low 01:57:04 - 02:27:04 583
Klamath Falls 02:12:43 -6.6 CT Down 31.6 147.9 Up 01:57:43 - 02:27:43 576
North Lake 02:12:31 -7.2 CT Down 31.1 149.1 Up 01:57:31 - 02:27:31 571
PNWRO 02:12:02 -8.5 CT Down 29.3 151.9 Low 01:57:02 - 02:27:02 567
Tulelake 02:12:43 -6.8 CT Down 32.0 148.1 Up 01:57:43 - 02:27:43 555
Paisley 02:12:33 -7.5 CT Down 31.7 149.3 Up 01:57:33 - 02:27:33 539
Fall River/Burney 02:12:50 -6.9 CT Down 32.8 147.9 Up 01:57:50 - 02:27:50 522
Lakeview 02:12:35 -7.6 CT Down 32.2 149.3 Up 01:57:35 - 02:27:35 515
Cedarville 02:12:38 -7.8 CT Down 32.8 149.3 Up 01:57:38 - 02:27:38 486
Greenville 02:12:53 -7.2 CT Down 33.7 148.1 Up 01:57:53 - 02:27:53 472
Susanville 02:12:49 -7.4 CT Down 33.6 148.5 Up 01:57:49 - 02:27:49 469
Gimple 02:12:52 -7.3 CT Down 33.8 148.2 Up 01:57:52 - 02:27:52 468
Quincy 02:12:54 -7.2 CT Down 33.9 148.0 Up 01:57:54 - 02:27:54 465
Portola 02:12:52 -7.6 CT Down 34.2 148.5 Up 01:57:52 - 02:27:52 440
Reno 02:12:50 -8.1 CT Down 34.7 149.1 Up 01:57:50 - 02:27:50 401
Carson City 02:12:52 -8.1 CT Down 35.0 149.0 Up 01:57:52 - 02:27:52 387
Gardnerville 02:12:53 -8.2 CT Down 35.2 149.0 Up 01:57:53 - 02:27:53 376
Yerington 02:12:50 -8.6 CT Down 35.4 149.6 Up 01:57:50 - 02:27:49 352
Hawthorne 02:12:50 -9.0 CT Down 36.0 150.0 Up 01:57:50 - 02:27:50 310
Lee Vining 02:12:57 -8.7 CT Down 36.3 149.3 Up 01:57:57 - 02:27:57 310
CPSLO 02:13:25 -7.5 CT Down 38.0 146.6 Up 01:58:25 - 02:28:25 271
Bishop 02:12:56 -9.2 CT Down 37.1 149.9 Up 01:57:56 - 02:27:56 253
Tonopah 02:12:43 -10.1 CT Down 37.0 151.4 Up 01:57:43 - 02:27:43 226
Lone Pine 02:12:59 -9.5 CT Down 37.9 150.0 Up 01:57:59 - 02:27:59 205
Beatty 02:12:48 -10.5 CT Down 38.2 151.5 Up 01:57:48 - 02:27:48 157
Wildwood 02:13:19 -9.2 CT Down 39.9 148.4 Up 01:58:19 - 02:28:19 121
Indian Springs 02:12:43 -11.4 CT Down 38.9 152.7 Up 01:57:43 - 02:27:43 91
Henderson 02:12:42 -12.0 CT Down 39.6 153.3 Up 01:57:42 - 02:27:42 34
Idyllwild 02:13:09 -10.7 CT Down 41.0 150.4 Up 01:58:09 - 02:28:09 12
Searchlight/Boulder City 02:12:45 -12.1 AT Down 40.1 153.1 Up 01:57:45 - 02:27:45 4
Laughlin/Bullhead City 02:12:45 -12.3 AT Down 40.5 153.4 Up 01:57:45 - 02:27:45 -27
Mohave Valley 02:12:46 -12.4 AT Down 40.8 153.3 Up 01:57:46 - 02:27:46 -40
Patrick 02:12:39 -12.9 AT Down 40.5 154.4 Up 01:57:39 - 02:27:39 -51
Kingman/Dolan Springs 02:12:41 -12.8 AT Down 40.7 154.1 Up 01:57:41 - 02:27:41 -52
Lake Havasu City 02:12:47 -12.6 AT Down 41.2 153.5 Up 01:57:47 - 02:27:47 -71
Calipatria 02:13:05 -11.7 CT Down 42.0 151.6 Up 01:58:05 - 02:28:05 -76
Parker 02:12:50 -12.6 AT Down 41.5 153.4 Up 01:57:50 - 02:27:49 -89
Blythe 02:12:55 -12.4 AT Down 41.9 152.9 Up 01:57:55 - 02:27:55 -100
DCO 02:12:35 -13.5 AT Down 41.1 155.1 Up 01:57:35 - 02:27:35 -101
Yuma 02:13:01 -12.5 AT Down 42.7 152.5 Up 01:58:01 - 02:28:01 -143
Niwot 02:11:12 -18.9 Dark Down 38.4 165.9 Up 01:56:12 - 02:26:12 -273

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 2017/12/05 18:58:53 UT

Marc W. Buie, Southwest Research Institute

RECON