RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0600:08501522 with event index number of 188053

Geocentric closest approach at 2019/04/30 10:13:59 UTC

J2000 position of star is 16:12:52.9 -28:25:04
Equinox of date position of star is 16:14:01.5 -28:27:50
Stellar brightness G=15.4, use SENSEUP=128
Star is 101 degrees from the moon. Moon is 19% illuminated.
TNO apparent brightness V=20.8

[RECON map]
TNO is 28.9 AU from the Sun and 28.0 AU from the Earth.
The TNO is moving 20.2 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 163 seconds.
The 1-sigma cross-track error in the shadow position is 1495 km.
The sky-plane scale is 20294.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 17.2 sec chord
Diameter=141.6 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2019/04/30 10:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.7 -26:28:24  0.9  4.17  98
23Tau Sco      16:37:05.3 -28:15:16  2.8  5.07  96
12 Sco         16:13:28.0 -28:27:58  5.9  0.13 101
PPM 265263     16:14:02.4 -28:10:49  8.4  0.29 101
PPM 265258     16:13:55.4 -28:22:12  9.1  0.10 101
47932          16:14:04.8 -28:27:57 15.4       100
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 5.0 sigma about the mid-time.
The median site spacing is 10.1 km RECON observability=0.5 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 10:13:46 -18.9 Dark Down 11.7 187.8 Really Low 09:59:41 - 10:27:51 6667
Oroville 10:13:45 -19.3 Dark Down 12.2 188.0 Really Low 09:59:40 - 10:27:50 6653
Tonasket 10:13:46 -19.5 Dark Down 12.5 188.0 Really Low 09:59:41 - 10:27:51 6647
Okanogan 10:13:45 -19.8 Dark Down 12.8 187.8 Really Low 09:59:40 - 10:27:50 6639
Brewster 10:13:46 -20.1 Dark Down 13.1 187.7 Really Low 09:59:41 - 10:27:51 6633
Manson/Chelan 10:13:47 -20.4 Dark Down 13.3 187.4 Really Low 09:59:42 - 10:27:52 6628
Entiat 10:13:47 -20.6 Dark Down 13.6 187.3 Really Low 09:59:42 - 10:27:52 6622
Wenatchee 10:13:47 -20.9 Dark Down 13.8 187.2 Really Low 09:59:42 - 10:27:52 6615
Ellensburg 10:13:48 -21.3 Dark Down 14.3 187.0 Really Low 09:59:43 - 10:27:53 6604
Yakima 10:13:48 -21.6 Dark Down 14.7 187.0 Really Low 09:59:43 - 10:27:53 6593
Toppenish/White Swan 10:13:47 -21.8 Dark Down 14.9 187.2 Really Low 09:59:42 - 10:27:52 6586
Pasco 10:13:42 -21.3 Dark Down 14.9 188.3 Really Low 09:59:37 - 10:27:47 6581
PNWRO 10:13:41 -21.4 Dark Down 15.1 188.5 Really Low 09:59:36 - 10:27:46 6573
George/Umatilla 10:13:43 -21.7 Dark Down 15.2 188.1 Really Low 09:59:38 - 10:27:48 6572
Goldendale 10:13:49 -22.4 Dark Down 15.5 186.8 Really Low 09:59:44 - 10:27:54 6571
The Dalles 10:13:49 -22.7 Dark Down 15.7 186.5 Really Low 09:59:44 - 10:27:54 6564
Maupin 10:13:49 -23.0 Dark Down 16.1 186.6 Really Low 09:59:44 - 10:27:54 6551
Madras/Culver 10:13:49 -23.5 Dark Down 16.7 186.6 Really Low 09:59:44 - 10:27:54 6534
Sisters 10:13:51 -23.9 Dark Down 17.0 186.2 Really Low 09:59:46 - 10:27:56 6523
Redmond 10:13:49 -23.8 Dark Down 17.0 186.6 Really Low 09:59:44 - 10:27:54 6522
Bend 10:13:49 -24.0 Dark Down 17.2 186.4 Really Low 09:59:44 - 10:27:54 6515
Oregon Observatory 10:13:50 -24.2 Dark Down 17.4 186.3 Really Low 09:59:45 - 10:27:55 6510
La Pine/Gilchrist 10:13:49 -24.4 Dark Down 17.6 186.3 Really Low 09:59:44 - 10:27:54 6503
North Lake 10:13:47 -24.5 Dark Down 18.0 186.8 Really Low 09:59:42 - 10:27:52 6487
Paisley 10:13:45 -24.8 Dark Down 18.5 187.2 Really Low 09:59:40 - 10:27:50 6468
Chiloquin 10:13:51 -25.5 Dark Down 18.8 186.0 Really Low 09:59:46 - 10:27:56 6464
Klamath Falls 10:13:50 -25.7 Dark Down 19.1 186.1 Really Low 09:59:45 - 10:27:55 6452
Lakeview 10:13:45 -25.1 Dark Down 19.0 187.4 Really Low 09:59:40 - 10:27:50 6449
Tulelake 10:13:49 -25.8 Dark Down 19.3 186.4 Really Low 09:59:44 - 10:27:54 6442
Cedarville 10:13:43 -25.6 Dark Down 19.7 187.6 Really Low 09:59:38 - 10:27:48 6425
Fall River/Burney 10:13:48 -26.5 Dark Down 20.2 186.5 Low 09:59:43 - 10:27:53 6407
Susanville 10:13:45 -26.7 Dark Down 20.8 187.2 Low 09:59:40 - 10:27:50 6382
Greenville 10:13:46 -27.0 Dark Down 21.1 186.9 Low 09:59:41 - 10:27:51 6371
Gimple 10:13:46 -27.0 Dark Down 21.1 187.0 Low 09:59:41 - 10:27:51 6371
Quincy 10:13:46 -27.2 Dark Down 21.3 186.9 Low 09:59:41 - 10:27:51 6363
Portola 10:13:44 -27.1 Dark Down 21.4 187.4 Low 09:59:39 - 10:27:49 6357
Reno 10:13:41 -27.0 Dark Down 21.6 188.0 Low 09:59:36 - 10:27:46 6346
Carson City 10:13:41 -27.3 Dark Down 21.9 188.0 Low 09:59:36 - 10:27:46 6331
Yerington 10:13:38 -27.1 Dark Down 22.1 188.6 Low 09:59:33 - 10:27:43 6321
Gardnerville 10:13:40 -27.5 Dark Down 22.2 188.1 Low 09:59:35 - 10:27:45 6320
Hawthorne 10:13:35 -27.2 Dark Down 22.5 189.2 Low 09:59:30 - 10:27:40 6300
Lee Vining 10:13:36 -27.9 Dark Down 23.1 188.7 Low 09:59:31 - 10:27:41 6277
Tonopah 10:13:29 -26.9 Dark Down 22.7 190.5 Low 09:59:24 - 10:27:34 6276
Niwot 10:12:43 -18.9 Dark Down 18.3 201.1 Really Low 09:58:38 - 10:26:48 6274
Bishop 10:13:34 -28.0 Dark Down 23.6 189.4 Low 09:59:29 - 10:27:39 6248
Beatty 10:13:26 -27.5 Dark Down 23.8 191.0 Low 09:59:21 - 10:27:31 6222
Lone Pine 10:13:31 -28.4 Dark Down 24.3 189.8 Low 09:59:26 - 10:27:36 6212
Indian Springs 10:13:21 -27.2 Dark Down 24.0 192.0 Low 09:59:16 - 10:27:26 6202
Henderson 10:13:18 -27.2 Dark Down 24.4 192.7 Low 09:59:13 - 10:27:23 6174
CPSLO 10:13:42 -30.8 Dark Down 25.9 187.4 Low 09:59:37 - 10:27:47 6156
Searchlight/Boulder City 10:13:17 -27.6 Dark Down 24.9 192.8 Low 09:59:12 - 10:27:22 6146
Patrick 10:13:13 -27.1 Dark Down 24.8 193.8 Low 09:59:08 - 10:27:18 6137
Laughlin/Bullhead City 10:13:16 -27.6 Dark Down 25.1 193.2 Low 09:59:11 - 10:27:21 6129
Kingman/Dolan Springs 10:13:13 -27.3 Dark Down 25.0 193.7 Low 09:59:08 - 10:27:18 6128
DCO 10:13:09 -26.9 Dark Down 24.9 194.5 Low 09:59:04 - 10:27:14 6118
Mohave Valley 10:13:15 -27.8 Dark Down 25.4 193.2 Low 09:59:10 - 10:27:20 6116
Lake Havasu City 10:13:14 -28.0 Dark Down 25.7 193.5 Low 09:59:09 - 10:27:19 6094
Wildwood 10:13:32 -30.6 Dark Down 26.8 189.5 Low 09:59:27 - 10:27:37 6092
Parker 10:13:13 -28.2 Dark Down 26.1 193.6 Low 09:59:08 - 10:27:18 6076
Idyllwild 10:13:24 -29.9 Dark Down 26.9 191.3 Low 09:59:19 - 10:27:29 6067
Blythe 10:13:14 -28.8 Dark Down 26.6 193.4 Low 09:59:09 - 10:27:19 6051
Calipatria 10:13:18 -29.7 Dark Down 27.3 192.5 Low 09:59:13 - 10:27:23 6030
Yuma 10:13:14 -29.5 Dark Down 27.6 193.4 Low 09:59:09 - 10:27:19 6003

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 47932, (2019/04/30 10:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  4.17  98
23Tau Sco      16:35:53.0 -28:12:58  2.8  5.07  96
12 Sco         16:12:16.1 -28:25:03  5.9  0.13 101
PPM 265263     16:12:50.6 -28:07:55  8.4  0.29 101
PPM 265258     16:12:43.6 -28:19:18  9.1  0.10 101
47932          16:12:52.9 -28:25:04 15.4       101
Positions are for J2000

Event circumstances last updated at 2018/06/11 23:03:44 UT

Marc W. Buie, Southwest Research Institute

RECON