RECON: TNO occultation with 532093

Event between (532093) 13HV156 and star GA0840:05260948 with event index number of 1603736

Geocentric closest approach at 2020/03/05 12:50:14 UTC

J2000 position of star is 16:53:12.7 -04:25:05
Equinox of date position of star is 16:54:14.6 -04:26:57
Stellar brightness G=14.1, use SENSEUP=64
Star is 140 degrees from the moon. Moon is 77% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 47.5 AU from the Sun and 47.4 AU from the Earth.
The TNO is moving 10.0 km/sec on the sky relative to the star, or, 1.0 arcsec/hr.
The 1-sigma error in the time of the event is 188 seconds.
The 1-sigma cross-track error in the shadow position is 2620 km.
The sky-plane scale is 34407.9 km/arcsec.

The TNO has an absolute magnitude Hv=5.2
Diameter=549.6 km assuming a 5% albedo -- 55.0 sec chord
Diameter=224.4 km assuming a 30% albedo -- 22.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 532093, (2020/03/05 12:50UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:38.9 -26:28:30  0.9 22.74 142
13Zet Oph      16:38:16.3 -10:36:23  2.6  7.32 139
23 Oph         16:55:40.5 -06:11:08  5.3  1.77 141
PPM 200130     16:54:49.1 -04:21:14  7.8  0.17 140
PPM 200123     16:54:34.7 -04:29:56  9.5  0.09 140
532093         16:54:16.8 -04:27:01 14.1       140
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 4.8 sigma about the mid-time.
The median site spacing is 3.8 km RECON observability=0.8 and success probability=6.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Chiloquin 12:56:10 -19.0 Dark Down 40.4 157.0 Up 12:41:10 - 13:11:10 1362
Sisters 12:56:26 -18.5 Dark Down 38.9 157.9 Up 12:41:26 - 13:11:26 1359
Klamath Falls 12:56:08 -19.0 Dark Down 40.8 156.9 Up 12:41:08 - 13:11:08 1352
La Pine/Gilchrist 12:56:20 -18.6 Dark Down 39.5 157.8 Up 12:41:20 - 13:11:20 1348
Oregon Observatory 12:56:22 -18.5 Dark Down 39.4 158.0 Up 12:41:22 - 13:11:22 1346
The Dalles 12:56:36 -18.0 AT Down 37.8 158.8 Up 12:41:36 - 13:11:36 1345
Bend 12:56:24 -18.3 Dark Down 39.2 158.2 Up 12:41:24 - 13:11:24 1339
Maupin 12:56:33 -18.0 AT Down 38.3 158.8 Up 12:41:33 - 13:11:33 1334
Madras/Culver 12:56:29 -18.1 Dark Down 38.8 158.6 Up 12:41:29 - 13:11:29 1331
Redmond 12:56:26 -18.2 Dark Down 39.1 158.4 Up 12:41:26 - 13:11:26 1331
Tulelake 12:56:05 -18.9 Dark Down 41.1 157.2 Up 12:41:05 - 13:11:05 1327
Goldendale 12:56:38 -17.7 AT Down 37.7 159.4 Up 12:41:38 - 13:11:38 1322
Ellensburg 12:56:49 -17.2 AT Down 36.7 160.1 Up 12:41:49 - 13:11:49 1314
Yakima 12:56:45 -17.3 AT Down 37.1 159.9 Up 12:41:45 - 13:11:45 1311
Fall River/Burney 12:56:00 -19.0 Dark Down 42.0 157.0 Up 12:41:00 - 13:11:00 1310
Wenatchee 12:56:52 -17.0 AT Down 36.4 160.5 Up 12:41:52 - 13:11:52 1302
North Lake 12:56:19 -18.2 Dark Down 40.1 158.4 Up 12:41:19 - 13:11:19 1301
Toppenish/White Swan 12:56:44 -17.3 AT Down 37.3 160.1 Up 12:41:44 - 13:11:44 1298
Manson/Chelan 12:56:56 -16.8 AT Down 36.0 160.8 Up 12:41:56 - 13:11:56 1295
Summerland 12:57:10 -16.1 AT Down 34.4 161.8 Up 12:42:10 - 13:12:10 1278
Brewster 12:56:58 -16.5 AT Down 35.8 161.3 Up 12:41:58 - 13:11:58 1273
Okanagan Falls 12:57:09 -16.1 AT Down 34.7 161.9 Up 12:42:09 - 13:12:09 1270
Penticton 12:57:10 -16.1 AT Down 34.5 162.0 Up 12:42:10 - 13:12:10 1270
Paisley 12:56:16 -18.0 Dark Down 40.7 158.7 Up 12:41:16 - 13:11:16 1269
Oliver 12:57:08 -16.1 AT Down 34.9 161.9 Up 12:42:08 - 13:12:08 1267
Greenville 12:55:54 -18.8 Dark Down 42.9 157.2 Up 12:40:54 - 13:10:54 1266
Okanogan 12:57:02 -16.3 AT Down 35.6 161.6 Up 12:42:02 - 13:12:02 1263
Quincy 12:55:53 -18.8 Dark Down 43.1 157.1 Up 12:40:53 - 13:10:53 1263
Kelowna 12:57:13 -15.9 AT Down 34.2 162.2 Up 12:42:13 - 13:12:13 1262
Gimple 12:55:54 -18.7 Dark Down 42.9 157.3 Up 12:40:54 - 13:10:54 1259
Oroville 12:57:06 -16.1 AT Down 35.1 161.9 Up 12:42:06 - 13:12:06 1258
Tonasket 12:57:05 -16.2 AT Down 35.3 161.9 Up 12:42:05 - 13:12:05 1255
Anarchist Mountain Observatory 12:57:07 -16.0 AT Down 35.1 162.1 Up 12:42:07 - 13:12:07 1253
Lakeview 12:56:11 -18.0 AT Down 41.2 158.7 Up 12:41:11 - 13:11:11 1249
Susanville 12:55:57 -18.5 Dark Down 42.8 157.7 Up 12:40:57 - 13:10:57 1248
Cedarville 12:56:08 -18.0 AT Down 41.9 158.7 Up 12:41:08 - 13:11:08 1228
Portola 12:55:51 -18.5 Dark Down 43.4 157.7 Up 12:40:51 - 13:10:51 1226
George/Umatilla 12:56:42 -16.6 AT Down 38.0 161.2 Up 12:41:42 - 13:11:42 1223
Pasco 12:56:48 -16.4 AT Down 37.7 161.6 Up 12:41:48 - 13:11:48 1212
PNWRO 12:56:47 -16.3 AT Down 38.0 161.8 Up 12:41:47 - 13:11:47 1194
Reno 12:55:53 -18.0 Dark Down 43.8 158.5 Up 12:40:53 - 13:10:53 1173
CPSLO 12:55:14 -19.4 Dark Down 47.4 155.4 Up 12:40:14 - 13:10:14 1166
Carson City 12:55:50 -18.1 Dark Down 44.1 158.3 Up 12:40:50 - 13:10:50 1166
Gardnerville 12:55:48 -18.1 Dark Down 44.4 158.3 Up 12:40:48 - 13:10:48 1158
Yerington 12:55:51 -17.6 AT Down 44.5 159.1 Up 12:40:51 - 13:10:51 1115
Lee Vining 12:55:42 -17.7 AT Down 45.5 158.8 Up 12:40:42 - 13:10:42 1094
Hawthorne 12:55:49 -17.3 AT Down 45.1 159.7 Up 12:40:49 - 13:10:49 1067
Bishop 12:55:40 -17.2 AT Down 46.2 159.5 Up 12:40:40 - 13:10:40 1027
Lone Pine 12:55:35 -17.1 AT Down 47.0 159.7 Up 12:40:35 - 13:10:35 986
Wildwood 12:55:12 -17.8 AT Down 49.2 157.8 Up 12:40:12 - 13:10:12 978
Tonopah 12:55:50 -16.2 AT Down 45.9 161.5 Up 12:40:50 - 13:10:50 949
Beatty 12:55:42 -16.0 AT Down 47.1 161.7 Up 12:40:42 - 13:10:42 890
Idyllwild 12:55:16 -16.3 AT Down 50.1 160.4 Up 12:40:16 - 13:10:16 816
Indian Springs 12:55:44 -15.1 AT Down 47.7 163.1 Up 12:40:44 - 13:10:44 797
Henderson 12:55:42 -14.6 AT Down 48.3 163.9 Up 12:40:42 - 13:10:42 730
Searchlight/Boulder City 12:55:38 -14.6 AT Down 48.9 163.8 Up 12:40:38 - 13:10:38 711
Calipatria 12:55:15 -15.3 AT Down 51.0 162.0 Up 12:40:15 - 13:10:15 704
Laughlin/Bullhead City 12:55:37 -14.3 AT Down 49.3 164.2 Up 12:40:37 - 13:10:37 676
Mohave Valley 12:55:34 -14.4 AT Down 49.5 164.1 Up 12:40:34 - 13:10:34 669
Blythe 12:55:23 -14.5 AT Down 50.7 163.6 Up 12:40:23 - 13:10:23 639
Lake Havasu City 12:55:32 -14.2 AT Down 50.0 164.4 Up 12:40:32 - 13:10:32 638
Kingman/Dolan Springs 12:55:38 -13.9 AT Down 49.4 165.0 Up 12:40:38 - 13:10:38 634
Parker 12:55:29 -14.2 AT Down 50.3 164.3 Up 12:40:29 - 13:10:29 627
Patrick 12:55:41 -13.7 AT Down 49.2 165.4 Up 12:40:41 - 13:10:41 625
Yuma 12:55:15 -14.6 AT Down 51.6 163.2 Up 12:40:15 - 13:10:15 618
SwRI 12:56:50 -6.7 NT Down 45.6 179.1 Up 12:41:50 - 13:11:50 68

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 532093, (2020/03/05 12:50UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.74 142
13Zet Oph      16:37:09.6 -10:34:01  2.6  7.32 139
23 Oph         16:54:35.6 -06:09:15  5.3  1.77 141
PPM 200130     16:53:45.1 -04:19:20  7.8  0.17 140
PPM 200123     16:53:30.6 -04:28:02  9.5  0.09 140
532093         16:53:12.7 -04:25:05 14.1       140
Positions are for J2000

Event circumstances last updated at 2019/07/02 02:32:11 UT

Marc W. Buie, Southwest Research Institute

RECON