RECON: TNO occultation with 60608

Event between (60608) 00EE173 and star GA0700:05370470 with event index number of 184579

Geocentric closest approach at 2019/04/02 11:05:32 UTC

J2000 position of star is 14:09:17.2 -19:28:12
Equinox of date position of star is 14:10:21.1 -19:33:36
Stellar brightness G=16.5, use SENSEUP=128
Star is 123 degrees from the moon. Moon is 8% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 25.3 AU from the Sun and 24.4 AU from the Earth.
The TNO is moving 20.0 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 349 seconds.
The 1-sigma cross-track error in the shadow position is 3876 km.
The sky-plane scale is 17713.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.2 km assuming a 5% albedo -- 6.0 sec chord
Diameter=49.1 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 60608, (2019/04/02 11:06UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:12.6 -11:15:40  1.0 13.48 136
PPM 228526     14:16:28.0 -18:17:23  5.9  1.92 122
PPM 228361     14:10:04.4 -19:20:11  7.1  0.23 123
PPM 228367     14:10:17.1 -19:27:24  9.4  0.10 123
60608          14:10:21.3 -19:33:37 16.5       122
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 2.6 sigma about the mid-time.
The median site spacing is 9.1 km RECON observability=0.8 and success probability=4.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 11:05:30 -22.3 Dark Down 17.1 204.8 Really Low 10:50:30 - 11:20:30 1697
Summerland 11:05:30 -22.7 Dark Down 17.5 204.6 Really Low 10:50:30 - 11:20:30 1685
Penticton 11:05:30 -22.6 Dark Down 17.5 204.7 Really Low 10:50:30 - 11:20:30 1684
Okanagan Falls 11:05:30 -22.8 Dark Down 17.7 204.7 Really Low 10:50:30 - 11:20:30 1678
Oliver 11:05:29 -22.9 Dark Down 17.8 204.7 Really Low 10:50:29 - 11:20:29 1673
Anarchist Mountain Observatory 11:05:28 -22.9 Dark Down 17.9 205.0 Really Low 10:50:28 - 11:20:28 1669
Oroville 11:05:28 -23.0 Dark Down 18.0 204.9 Really Low 10:50:28 - 11:20:28 1666
Tonasket 11:05:28 -23.1 Dark Down 18.2 204.9 Really Low 10:50:28 - 11:20:28 1659
Okanogan 11:05:27 -23.4 Dark Down 18.6 204.8 Really Low 10:50:27 - 11:20:27 1647
Brewster 11:05:27 -23.7 Dark Down 18.9 204.7 Really Low 10:50:27 - 11:20:27 1636
Manson/Chelan 11:05:28 -24.0 Dark Down 19.2 204.4 Really Low 10:50:28 - 11:20:28 1626
Entiat 11:05:28 -24.2 Dark Down 19.4 204.3 Really Low 10:50:28 - 11:20:28 1617
Wenatchee 11:05:28 -24.4 Dark Down 19.7 204.3 Really Low 10:50:28 - 11:20:28 1608
Ellensburg 11:05:28 -24.8 Dark Down 20.1 204.1 Low 10:50:28 - 11:20:28 1591
Pasco 11:05:21 -24.5 Dark Down 20.4 205.6 Low 10:50:21 - 11:20:21 1577
Yakima 11:05:27 -25.0 Dark Down 20.5 204.1 Low 10:50:27 - 11:20:27 1576
PNWRO 11:05:20 -24.5 Dark Down 20.5 205.8 Low 10:50:20 - 11:20:20 1570
Toppenish/White Swan 11:05:26 -25.1 Dark Down 20.6 204.3 Low 10:50:26 - 11:20:26 1570
George/Umatilla 11:05:21 -24.8 Dark Down 20.7 205.4 Low 10:50:21 - 11:20:21 1563
Goldendale 11:05:26 -25.6 Dark Down 21.3 204.0 Low 10:50:26 - 11:20:26 1545
The Dalles 11:05:27 -26.0 Dark Down 21.6 203.7 Low 10:50:27 - 11:20:27 1533
Maupin 11:05:26 -26.2 Dark Down 21.9 203.9 Low 10:50:26 - 11:20:26 1518
Madras/Culver 11:05:25 -26.6 Dark Down 22.4 203.9 Low 10:50:25 - 11:20:25 1496
Redmond 11:05:24 -26.8 Dark Down 22.8 203.9 Low 10:50:24 - 11:20:24 1481
Sisters 11:05:25 -27.0 Dark Down 22.9 203.5 Low 10:50:25 - 11:20:25 1478
Bend 11:05:24 -27.0 Dark Down 23.0 203.8 Low 10:50:24 - 11:20:24 1471
Oregon Observatory 11:05:24 -27.2 Dark Down 23.2 203.7 Low 10:50:24 - 11:20:24 1462
La Pine/Gilchrist 11:05:24 -27.4 Dark Down 23.4 203.7 Low 10:50:24 - 11:20:24 1453
North Lake 11:05:21 -27.3 Dark Down 23.6 204.4 Low 10:50:21 - 11:20:21 1441
Paisley 11:05:19 -27.4 Dark Down 24.0 204.8 Low 10:50:19 - 11:20:19 1421
Chiloquin 11:05:23 -28.3 Dark Down 24.5 203.5 Low 10:50:23 - 11:20:23 1402
Lakeview 11:05:17 -27.6 Dark Down 24.4 205.1 Low 10:50:17 - 11:20:17 1401
Niwot 11:04:16 -19.0 Dark Down 20.2 219.3 Low 10:49:16 - 11:19:16 1397
SwRI 11:04:17 -19.1 Dark Down 20.3 219.2 Low 10:49:17 - 11:19:17 1392
Klamath Falls 11:05:22 -28.5 Dark Down 24.8 203.7 Low 10:50:22 - 11:20:22 1388
Tulelake 11:05:20 -28.4 Dark Down 25.0 204.0 Low 10:50:20 - 11:20:20 1379
Cedarville 11:05:14 -27.9 Dark Down 25.0 205.4 Low 10:50:14 - 11:20:14 1374
Fall River/Burney 11:05:18 -29.0 Dark Down 25.8 204.3 Low 10:50:18 - 11:20:18 1338
Susanville 11:05:14 -28.9 Dark Down 26.1 205.1 Low 10:50:14 - 11:20:14 1317
Gimple 11:05:14 -29.2 Dark Down 26.5 205.0 Low 10:50:14 - 11:20:14 1301
Greenville 11:05:14 -29.3 Dark Down 26.5 204.9 Low 10:50:14 - 11:20:14 1301
Quincy 11:05:14 -29.4 Dark Down 26.7 204.9 Low 10:50:14 - 11:20:14 1291
Portola 11:05:12 -29.2 Dark Down 26.6 205.4 Low 10:50:12 - 11:20:12 1290
Reno 11:05:09 -28.9 Dark Down 26.6 206.1 Low 10:50:09 - 11:20:09 1284
Carson City 11:05:08 -29.1 Dark Down 27.0 206.2 Low 10:50:08 - 11:20:08 1267
Yerington 11:05:05 -28.8 Dark Down 26.9 206.9 Low 10:50:05 - 11:20:05 1263
Gardnerville 11:05:07 -29.2 Dark Down 27.2 206.3 Low 10:50:07 - 11:20:07 1255
Hawthorne 11:05:02 -28.8 Dark Down 27.2 207.5 Low 10:50:02 - 11:20:02 1246
Tonopah 11:04:55 -28.1 Dark Down 27.0 208.9 Low 10:49:55 - 11:19:55 1235
Lee Vining 11:05:03 -29.4 Dark Down 27.8 207.1 Low 10:50:03 - 11:20:03 1212
Bishop 11:04:58 -29.3 Dark Down 28.1 208.0 Low 10:49:58 - 11:19:58 1188
Beatty 11:04:51 -28.4 Dark Down 27.9 209.7 Low 10:49:51 - 11:19:51 1179
Indian Springs 11:04:46 -27.9 Dark Down 27.7 210.8 Low 10:49:46 - 11:19:46 1171
Lone Pine 11:04:55 -29.5 Dark Down 28.7 208.5 Low 10:49:55 - 11:19:55 1151
Henderson 11:04:42 -27.7 Dark Down 27.9 211.6 Low 10:49:42 - 11:19:42 1148
Patrick 11:04:36 -27.2 Dark Down 28.0 212.8 Low 10:49:36 - 11:19:36 1123
Searchlight/Boulder City 11:04:40 -27.9 Dark Down 28.4 211.8 Low 10:49:40 - 11:19:40 1117
DCO 11:04:32 -26.9 Dark Down 27.9 213.5 Low 10:49:32 - 11:19:32 1111
Kingman/Dolan Springs 11:04:36 -27.5 Dark Down 28.2 212.7 Low 10:49:36 - 11:19:36 1109
Laughlin/Bullhead City 11:04:38 -27.8 Dark Down 28.5 212.2 Low 10:49:38 - 11:19:38 1104
Mohave Valley 11:04:37 -28.0 Dark Down 28.7 212.3 Low 10:49:37 - 11:19:37 1089
Lake Havasu City 11:04:36 -28.0 Dark Down 29.0 212.6 Low 10:49:36 - 11:19:36 1068
CPSLO 11:05:03 -31.9 Dark Down 30.8 206.3 Up 10:50:03 - 11:20:03 1053
Parker 11:04:35 -28.1 Dark Down 29.2 212.7 Low 10:49:35 - 11:19:35 1048
Blythe 11:04:34 -28.6 Dark Down 29.8 212.6 Low 10:49:34 - 11:19:34 1016
Wildwood 11:04:52 -31.2 Dark Down 31.1 208.6 Up 10:49:52 - 11:19:52 1007
Idyllwild 11:04:43 -30.1 Dark Down 30.6 210.6 Up 10:49:43 - 11:19:43 1004
Calipatria 11:04:37 -29.5 Dark Down 30.6 211.9 Up 10:49:37 - 11:19:37 979
Yuma 11:04:32 -29.1 Dark Down 30.6 212.9 Up 10:49:32 - 11:19:32 961

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, (2019/04/02 11:06UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 13.48 136
PPM 228526     14:15:24.0 -18:12:03  5.9  1.92 122
PPM 228361     14:09:00.3 -19:14:45  7.1  0.23 123
PPM 228367     14:09:13.0 -19:21:59  9.4  0.10 123
60608          14:09:17.2 -19:28:12 16.5       123
Positions are for J2000

Event circumstances last updated at 2019/03/08 22:17:56 UT

Marc W. Buie, Southwest Research Institute

RECON