RECON: TNO occultation with 60620

Event between (60620) 00FD8 and star UC4-436-059010 with event index number of 119398

Geocentric closest approach at 2018/06/11 08:35:33 UTC

J2000 position of star is 14:08:20.8 -02:58:11
Equinox of date position of star is 14:09:12.1 -03:02:50
Stellar brightness R=13.8
Star is 164 degrees from the moon. Moon is 9% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 36.7 AU from the Sun and 36.0 AU from the Earth.
The TNO is moving 14.5 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 548 seconds.
The 1-sigma cross-track error in the shadow position is 3339 km.
The sky-plane scale is 26126.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 19.9 sec chord
Diameter=117.7 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 60620, (2018/06/11 08:36UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:10.0 -11:15:25  1.0 13.47 156
PPM 197087     14:00:46.7 -03:38:20  6.4  2.21 162
PPM 197292     14:12:18.3 -03:25:28  7.8  0.83 165
PPM 179232     14:09:21.2 -03:01:25  9.0  0.04 164
60620          14:09:18.2 -03:03:24 13.8       164
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 1.6 sigma about the mid-time.
The median site spacing is 16.7 km RECON observability=0.9 and success probability=8.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:32:47 -17.5 AT Down 19.0 241.5 Really Low 08:17:47 - 08:47:47 1195
Tonasket 08:32:45 -17.8 AT Down 19.1 241.5 Really Low 08:17:45 - 08:47:45 1183
Okanogan 08:32:44 -18.1 Dark Down 19.3 241.5 Really Low 08:17:44 - 08:47:44 1163
Brewster 08:32:43 -18.4 Dark Down 19.6 241.4 Really Low 08:17:43 - 08:47:43 1147
Manson/Chelan 08:32:43 -18.7 Dark Down 19.9 241.2 Really Low 08:17:43 - 08:47:43 1133
Entiat 08:32:42 -18.9 Dark Down 20.0 241.2 Low 08:17:42 - 08:47:42 1120
Wenatchee 08:32:41 -19.1 Dark Down 20.2 241.2 Low 08:17:41 - 08:47:41 1105
Ellensburg 08:32:39 -19.6 Dark Down 20.6 241.1 Low 08:17:39 - 08:47:39 1080
Yakima 08:32:37 -20.0 Dark Down 20.8 241.2 Low 08:17:37 - 08:47:37 1056
Toppenish/White Swan 08:32:35 -20.2 Dark Down 20.8 241.4 Low 08:17:35 - 08:47:35 1044
Pasco 08:32:30 -20.2 Dark Down 20.1 242.5 Low 08:17:30 - 08:47:30 1044
PNWRO 08:32:29 -20.4 Dark Down 20.0 242.8 Low 08:17:29 - 08:47:29 1031
George/Umatilla 08:32:30 -20.5 Dark Down 20.4 242.4 Low 08:17:30 - 08:47:30 1023
Goldendale 08:32:34 -20.8 Dark Down 21.3 241.2 Low 08:17:34 - 08:47:34 1009
The Dalles 08:32:33 -21.0 Dark Down 21.6 241.0 Low 08:17:33 - 08:47:33 993
Maupin 08:32:30 -21.4 Dark Down 21.8 241.2 Low 08:17:30 - 08:47:30 969
Madras/Culver 08:32:28 -22.0 Dark Down 22.1 241.4 Low 08:17:28 - 08:47:28 935
Redmond 08:32:26 -22.3 Dark Down 22.3 241.5 Low 08:17:26 - 08:47:26 913
Sisters 08:32:27 -22.3 Dark Down 22.5 241.1 Low 08:17:27 - 08:47:27 912
Bend 08:32:25 -22.6 Dark Down 22.5 241.4 Low 08:17:25 - 08:47:25 898
Oregon Observatory 08:32:25 -22.7 Dark Down 22.6 241.4 Low 08:17:25 - 08:47:25 887
La Pine/Gilchrist 08:32:24 -23.0 Dark Down 22.8 241.4 Low 08:17:24 - 08:47:24 873
North Lake 08:32:19 -23.3 Dark Down 22.6 242.0 Low 08:17:19 - 08:47:19 849
Paisley 08:32:16 -23.8 Dark Down 22.6 242.5 Low 08:17:16 - 08:47:16 816
Chiloquin 08:32:19 -24.1 Dark Down 23.6 241.5 Low 08:17:19 - 08:47:19 799
Lakeview 08:32:12 -24.3 Dark Down 22.8 242.9 Low 08:17:12 - 08:47:12 784
Klamath Falls 08:32:17 -24.4 Dark Down 23.7 241.7 Low 08:17:17 - 08:47:17 778
Tulelake 08:32:15 -24.7 Dark Down 23.6 242.0 Low 08:17:15 - 08:47:15 762
Cedarville 08:32:08 -25.0 Dark Down 23.0 243.2 Low 08:17:08 - 08:47:08 742
Niwot 08:31:21 -23.3 Dark Down 13.0 254.7 Really Low 08:16:21 - 08:46:21 706
Fall River/Burney 08:32:10 -25.6 Dark Down 24.0 242.4 Low 08:17:10 - 08:47:10 701
Susanville 08:32:04 -26.1 Dark Down 23.8 243.3 Low 08:17:04 - 08:47:04 663
Greenville 08:32:04 -26.4 Dark Down 24.1 243.1 Low 08:17:04 - 08:47:04 642
Quincy 08:32:03 -26.6 Dark Down 24.2 243.2 Low 08:17:03 - 08:47:03 628
Portola 08:32:01 -26.7 Dark Down 23.9 243.6 Low 08:17:01 - 08:47:01 623
Reno 08:31:57 -26.9 Dark Down 23.6 244.2 Low 08:16:57 - 08:46:57 608
Carson City 08:31:56 -27.2 Dark Down 23.8 244.4 Low 08:16:56 - 08:46:56 583
Yerington 08:31:53 -27.4 Dark Down 23.4 245.0 Low 08:16:53 - 08:46:53 573
Gardnerville 08:31:54 -27.5 Dark Down 23.8 244.5 Low 08:16:54 - 08:46:54 566
Hawthorne 08:31:48 -27.8 Dark Down 23.2 245.5 Low 08:16:48 - 08:46:48 544
Tonopah 08:31:41 -28.0 Dark Down 22.4 246.8 Low 08:16:41 - 08:46:41 519
Lee Vining 08:31:47 -28.4 Dark Down 23.8 245.4 Low 08:16:47 - 08:46:47 501
Bishop 08:31:42 -28.9 Dark Down 23.6 246.2 Low 08:16:42 - 08:46:42 461
Beatty 08:31:34 -29.1 Dark Down 22.6 247.5 Low 08:16:34 - 08:46:34 436
Indian Springs 08:31:29 -29.2 Dark Down 21.9 248.4 Low 08:16:29 - 08:46:29 418
Lone Pine 08:31:37 -29.6 Dark Down 23.6 246.7 Low 08:16:37 - 08:46:37 407
Henderson 08:31:24 -29.6 Dark Down 21.6 249.1 Low 08:16:24 - 08:46:24 382
Patrick 08:31:17 -30.0 Dark Down 21.0 250.1 Low 08:16:17 - 08:46:17 340
Searchlight/Boulder City 08:31:21 -30.2 Dark Down 21.8 249.3 Low 08:16:21 - 08:46:21 339
Kingman/Dolan Springs 08:31:17 -30.3 Dark Down 21.2 250.0 Low 08:16:17 - 08:46:17 323
DCO 08:31:14 -30.1 Dark Down 20.6 250.7 Low 08:16:14 - 08:46:14 321
Laughlin/Bullhead City 08:31:18 -30.4 Dark Down 21.6 249.7 Low 08:16:18 - 08:46:18 318
Mohave Valley 08:31:17 -30.6 Dark Down 21.7 249.8 Low 08:16:17 - 08:46:17 297
CPSLO 08:31:39 -31.2 Dark Down 26.1 245.3 Low 08:16:39 - 08:46:39 293
Lake Havasu City 08:31:14 -31.0 Dark Down 21.7 250.1 Low 08:16:14 - 08:46:14 268
Parker 08:31:13 -31.3 Dark Down 21.8 250.2 Low 08:16:13 - 08:46:13 241
Wildwood 08:31:26 -32.1 Dark Down 25.1 247.3 Low 08:16:26 - 08:46:26 214
Blythe 08:31:11 -31.9 Dark Down 22.2 250.2 Low 08:16:11 - 08:46:11 199
Idyllwild 08:31:18 -32.2 Dark Down 23.8 248.8 Low 08:16:18 - 08:46:18 198
Calipatria 08:31:12 -32.6 Dark Down 23.1 249.8 Low 08:16:12 - 08:46:12 155
Yuma 08:31:07 -32.8 Dark Down 22.5 250.6 Low 08:16:07 - 08:46:07 127

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 60620, (2018/06/11 08:36UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 13.47 156
PPM 197087     13:59:49.3 -03:33:00  6.4  2.21 162
PPM 197292     14:11:20.8 -03:20:18  7.8  0.83 165
PPM 179232     14:08:23.8 -02:56:13  9.0  0.04 164
60620          14:08:20.8 -02:58:11 13.8       164
Positions are for J2000

Event circumstances last updated at 2016/06/16 17:02:51 UT

Marc W. Buie, Southwest Research Institute

RECON