RECON: TNO occultation with 60608

Event between (60608) 00EE173 and star UC4-361-066054 with event index number of 119393

Geocentric closest approach at 2018/05/18 09:20:48 UTC

J2000 position of star is 13:49:54.9 -17:50:18
Equinox of date position of star is 13:50:55.1 -17:55:45
Stellar brightness R=15.2, use SENSEUP=128
Star is 114 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 25.0 AU from the Sun and 24.1 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 258 seconds.
The 1-sigma cross-track error in the shadow position is 2515 km.
The sky-plane scale is 17452.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.2 km assuming a 5% albedo -- 6.1 sec chord
Diameter=49.1 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 60608, (2018/05/18 09:21UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:09.8 -11:15:24  1.0  8.96 107
89 Vir         13:50:52.4 -18:13:30  5.0  0.30 114
PPM 227839     13:48:02.3 -17:55:09  8.4  0.69 114
PPM 227900     13:50:56.6 -17:55:46  9.2  0.01 114
60608          13:50:55.1 -17:55:45 15.2       115
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 3.5 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)
Oroville 09:20:17 -18.9 Dark Down 10.2 227.0 Really Low 09:05:17 - 09:35:17 11769
Tonasket 09:20:16 -19.1 Dark Down 10.4 227.1 Really Low 09:05:16 - 09:35:16 11764
Okanogan 09:20:16 -19.4 Dark Down 10.7 227.0 Really Low 09:05:16 - 09:35:16 11756
Brewster 09:20:15 -19.7 Dark Down 11.0 226.9 Really Low 09:05:15 - 09:35:15 11749
Manson/Chelan 09:20:14 -20.0 Dark Down 11.3 226.6 Really Low 09:05:14 - 09:35:14 11742
Entiat 09:20:14 -20.2 Dark Down 11.5 226.6 Really Low 09:05:14 - 09:35:14 11736
Wenatchee 09:20:13 -20.5 Dark Down 11.7 226.5 Really Low 09:05:13 - 09:35:13 11730
Ellensburg 09:20:12 -20.9 Dark Down 12.1 226.4 Really Low 09:05:12 - 09:35:12 11719
Yakima 09:20:11 -21.3 Dark Down 12.4 226.4 Really Low 09:05:11 - 09:35:11 11708
Pasco 09:20:06 -21.3 Dark Down 11.9 227.7 Really Low 09:05:06 - 09:35:06 11707
Toppenish/White Swan 09:20:09 -21.5 Dark Down 12.5 226.6 Really Low 09:05:09 - 09:35:09 11703
PNWRO 09:20:04 -21.4 Dark Down 12.0 227.9 Really Low 09:05:04 - 09:35:04 11701
George/Umatilla 09:20:05 -21.6 Dark Down 12.3 227.5 Really Low 09:05:05 - 09:35:05 11697
Goldendale 09:20:08 -22.1 Dark Down 13.1 226.3 Really Low 09:05:08 - 09:35:08 11686
The Dalles 09:20:08 -22.4 Dark Down 13.4 226.1 Really Low 09:05:08 - 09:35:08 11678
Maupin 09:20:06 -22.8 Dark Down 13.7 226.2 Really Low 09:05:06 - 09:35:06 11667
Madras/Culver 09:20:05 -23.3 Dark Down 14.1 226.3 Really Low 09:05:05 - 09:35:05 11650
Redmond 09:20:03 -23.6 Dark Down 14.3 226.3 Really Low 09:05:03 - 09:35:03 11640
Sisters 09:20:05 -23.7 Dark Down 14.5 226.0 Really Low 09:05:05 - 09:35:05 11638
Bend 09:20:02 -23.9 Dark Down 14.6 226.2 Really Low 09:05:02 - 09:35:02 11632
Oregon Observatory 09:20:03 -24.1 Dark Down 14.8 226.1 Really Low 09:05:03 - 09:35:03 11626
La Pine/Gilchrist 09:20:02 -24.3 Dark Down 14.9 226.1 Really Low 09:05:02 - 09:35:02 11619
North Lake 09:19:59 -24.5 Dark Down 14.9 226.7 Really Low 09:04:59 - 09:34:59 11609
Paisley 09:19:56 -25.0 Dark Down 15.1 227.1 Really Low 09:04:56 - 09:34:56 11594
Chiloquin 09:19:58 -25.4 Dark Down 15.9 226.0 Really Low 09:04:58 - 09:34:58 11581
Lakeview 09:19:53 -25.4 Dark Down 15.4 227.3 Really Low 09:04:53 - 09:34:53 11578
Klamath Falls 09:19:58 -25.7 Dark Down 16.1 226.2 Really Low 09:04:58 - 09:34:58 11570
Tulelake 09:19:55 -25.9 Dark Down 16.1 226.5 Really Low 09:04:55 - 09:34:55 11563
Cedarville 09:19:50 -26.0 Dark Down 15.7 227.6 Really Low 09:04:50 - 09:34:50 11556
Fall River/Burney 09:19:53 -26.7 Dark Down 16.7 226.7 Really Low 09:04:53 - 09:34:53 11531
Niwot 09:19:06 -21.8 Dark Down 7.6 238.9 Really Low 09:04:06 - 09:34:06 11514
Susanville 09:19:47 -27.1 Dark Down 16.7 227.5 Really Low 09:04:47 - 09:34:47 11513
Gimple 09:19:47 -27.5 Dark Down 17.0 227.3 Really Low 09:04:47 - 09:34:47 11501
Greenville 09:19:47 -27.5 Dark Down 17.1 227.3 Really Low 09:04:47 - 09:34:47 11501
Quincy 09:19:46 -27.7 Dark Down 17.2 227.3 Really Low 09:04:46 - 09:34:46 11493
Portola 09:19:44 -27.6 Dark Down 17.0 227.7 Really Low 09:04:44 - 09:34:44 11491
Reno 09:19:41 -27.7 Dark Down 16.9 228.3 Really Low 09:04:41 - 09:34:41 11485
Carson City 09:19:40 -28.0 Dark Down 17.1 228.4 Really Low 09:04:40 - 09:34:40 11471
Yerington 09:19:38 -28.0 Dark Down 16.9 228.9 Really Low 09:04:38 - 09:34:38 11467
Gardnerville 09:19:39 -28.2 Dark Down 17.2 228.5 Really Low 09:04:39 - 09:34:39 11462
Hawthorne 09:19:34 -28.3 Dark Down 16.9 229.4 Really Low 09:04:34 - 09:34:34 11451
Tonopah 09:19:28 -28.3 Dark Down 16.3 230.6 Really Low 09:04:28 - 09:34:28 11439
Lee Vining 09:19:33 -29.0 Dark Down 17.5 229.2 Really Low 09:04:33 - 09:34:33 11425
Bishop 09:19:29 -29.3 Dark Down 17.5 229.9 Really Low 09:04:29 - 09:34:29 11404
Beatty 09:19:22 -29.2 Dark Down 16.8 231.2 Really Low 09:04:22 - 09:34:22 11392
Indian Springs 09:19:18 -29.1 Dark Down 16.3 232.1 Really Low 09:04:18 - 09:34:18 11381
Lone Pine 09:19:25 -29.9 Dark Down 17.8 230.3 Really Low 09:04:25 - 09:34:25 11373
Henderson 09:19:14 -29.3 Dark Down 16.2 232.7 Really Low 09:04:14 - 09:34:14 11360
Searchlight/Boulder City 09:19:12 -29.8 Dark Down 16.5 232.9 Really Low 09:04:12 - 09:34:12 11334
Patrick 09:19:09 -29.4 Dark Down 15.9 233.6 Really Low 09:04:09 - 09:34:09 11334
Kingman/Dolan Springs 09:19:07 -29.7 Dark Down 16.1 233.5 Really Low 09:04:07 - 09:34:07 11323
Laughlin/Bullhead City 09:19:10 -29.9 Dark Down 16.5 233.2 Really Low 09:04:10 - 09:34:10 11321
DCO 09:19:05 -29.4 Dark Down 15.6 234.2 Really Low 09:04:05 - 09:34:05 11321
Mohave Valley 09:19:09 -30.1 Dark Down 16.6 233.3 Really Low 09:04:09 - 09:34:09 11308
CPSLO 09:19:29 -31.9 Dark Down 20.2 228.7 Low 09:04:29 - 09:34:29 11299
Lake Havasu City 09:19:07 -30.4 Dark Down 16.7 233.5 Really Low 09:04:07 - 09:34:07 11290
Parker 09:19:04 -30.7 Dark Down 16.9 233.6 Really Low 09:04:04 - 09:34:04 11273
Wildwood 09:19:17 -32.3 Dark Down 19.7 230.5 Really Low 09:04:17 - 09:34:17 11255
Blythe 09:19:02 -31.3 Dark Down 17.4 233.5 Really Low 09:04:02 - 09:34:02 11247
Idyllwild 09:19:10 -32.0 Dark Down 18.7 232.0 Really Low 09:04:10 - 09:34:10 11246
Calipatria 09:19:03 -32.1 Dark Down 18.4 233.0 Really Low 09:04:03 - 09:34:03 11220
Yuma 09:19:00 -32.1 Dark Down 18.0 233.7 Really Low 09:04:00 - 09:34:00 11201

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 60608, (2018/05/18 09:21UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0  8.96 107
89 Vir         13:49:52.2 -18:08:04  5.0  0.30 114
PPM 227839     13:47:02.2 -17:49:40  8.4  0.69 114
PPM 227900     13:49:56.4 -17:50:20  9.2  0.01 114
60608          13:49:54.9 -17:50:18 15.2       114
Positions are for J2000

Event circumstances last updated at 2018/05/23 05:27:56 UT

Marc W. Buie, Southwest Research Institute

RECON