RECON: TNO occultation with 471155

Event between (471155) 10GF65 and star GA0560:09599694 with event index number of 190156

Geocentric closest approach at 2019/05/18 08:25:34 UTC

J2000 position of star is 16:21:26.3 -33:44:26
Equinox of date position of star is 16:22:38.0 -33:46:59
Stellar brightness G=14.1, use SENSEUP=64
Star is 25 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=20.8

[RECON map]
TNO is 23.2 AU from the Sun and 22.3 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 4.9 arcsec/hr.
The 1-sigma error in the time of the event is 209 seconds.
The 1-sigma cross-track error in the shadow position is 1450 km.
The sky-plane scale is 16139.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 10.5 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 471155, (2019/05/18 08:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.9 -26:28:24  0.9  7.51  21
26Eps Sco      16:51:25.4 -34:19:36  2.3  5.97  30
PPM 295006     16:25:11.9 -33:14:40  6.2  0.75  25
PPM 294980     16:23:49.3 -33:43:11  8.5  0.24  25
471155         16:22:41.7 -33:47:07 14.1        25
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 4.3 sigma about the mid-time.
The median site spacing is 10.8 km RECON observability=0.2 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)
Penticton 08:26:28 -20.6 Dark Up 6.7 177.9 Really Low 08:11:28 - 08:41:28 11475
Oroville 08:26:28 -21.2 Dark Up 7.3 178.0 Really Low 08:11:28 - 08:41:28 11467
Tonasket 08:26:28 -21.4 Dark Up 7.5 178.0 Really Low 08:11:28 - 08:41:28 11464
Okanogan 08:26:28 -21.8 Dark Up 7.9 177.8 Really Low 08:11:28 - 08:41:28 11458
Brewster 08:26:29 -22.0 Dark Up 8.1 177.7 Really Low 08:11:29 - 08:41:29 11452
Manson/Chelan 08:26:31 -22.3 Dark Up 8.3 177.4 Really Low 08:11:31 - 08:41:31 11445
Entiat 08:26:30 -22.5 Dark Up 8.5 177.3 Really Low 08:11:30 - 08:41:30 11441
Wenatchee 08:26:30 -22.8 Dark Up 8.8 177.2 Really Low 08:11:30 - 08:41:30 11436
Ellensburg 08:26:31 -23.2 Dark Up 9.2 177.0 Really Low 08:11:31 - 08:41:31 11427
Pasco 08:26:27 -23.8 Dark Up 10.0 178.2 Really Low 08:11:27 - 08:41:27 11424
PNWRO 08:26:26 -24.0 Dark Up 10.2 178.4 Really Low 08:11:26 - 08:41:26 11421
Yakima 08:26:32 -23.6 Dark Up 9.6 177.0 Really Low 08:11:32 - 08:41:32 11419
Toppenish/White Swan 08:26:31 -23.8 Dark Up 9.8 177.1 Really Low 08:11:31 - 08:41:31 11416
George/Umatilla 08:26:28 -24.1 Dark Up 10.3 178.0 Really Low 08:11:28 - 08:41:28 11416
Goldendale 08:26:33 -24.4 Dark Up 10.4 176.8 Really Low 08:11:33 - 08:41:33 11401
The Dalles 08:26:34 -24.6 Dark Up 10.6 176.5 Really Low 08:11:34 - 08:41:34 11393
Maupin 08:26:33 -25.0 Dark Up 11.0 176.6 Really Low 08:11:33 - 08:41:33 11385
Madras/Culver 08:26:34 -25.6 Dark Up 11.5 176.5 Really Low 08:11:34 - 08:41:34 11373
Redmond 08:26:34 -25.9 Dark Up 11.9 176.5 Really Low 08:11:34 - 08:41:34 11364
Sisters 08:26:36 -26.0 Dark Up 11.9 176.1 Really Low 08:11:36 - 08:41:36 11361
Bend 08:26:35 -26.2 Dark Up 12.1 176.4 Really Low 08:11:35 - 08:41:35 11357
Oregon Observatory 08:26:35 -26.4 Dark Up 12.3 176.2 Really Low 08:11:35 - 08:41:35 11352
La Pine/Gilchrist 08:26:35 -26.6 Dark Up 12.5 176.2 Really Low 08:11:35 - 08:41:35 11346
North Lake 08:26:33 -26.9 Dark Up 12.9 176.7 Really Low 08:11:33 - 08:41:33 11341
Paisley 08:26:32 -27.5 Dark Up 13.5 177.0 Really Low 08:11:32 - 08:41:32 11330
Lakeview 08:26:31 -27.9 Dark Up 14.0 177.1 Really Low 08:11:31 - 08:41:31 11319
Chiloquin 08:26:37 -27.7 Dark Up 13.6 175.9 Really Low 08:11:37 - 08:41:37 11314
Niwot 08:25:35 -26.9 Dark Up 15.4 190.0 Really Low 08:10:35 - 08:40:35 11311
Klamath Falls 08:26:36 -28.0 Dark Up 13.9 175.9 Really Low 08:11:36 - 08:41:36 11306
Cedarville 08:26:32 -28.6 Dark Up 14.7 177.3 Really Low 08:11:32 - 08:41:32 11302
Tulelake 08:26:36 -28.3 Dark Up 14.2 176.2 Really Low 08:11:36 - 08:41:36 11301
Fall River/Burney 08:26:36 -29.2 Dark Up 15.1 176.2 Really Low 08:11:36 - 08:41:36 11276
Susanville 08:26:33 -29.7 Dark Up 15.8 176.9 Really Low 08:11:33 - 08:41:33 11264
Gimple 08:26:33 -30.0 Dark Up 16.0 176.7 Really Low 08:11:33 - 08:41:33 11254
Greenville 08:26:34 -30.0 Dark Up 16.0 176.6 Really Low 08:11:34 - 08:41:34 11253
Portola 08:26:32 -30.3 Dark Up 16.4 177.0 Really Low 08:11:32 - 08:41:32 11247
Quincy 08:26:34 -30.2 Dark Up 16.2 176.6 Really Low 08:11:34 - 08:41:34 11247
Reno 08:26:29 -30.5 Dark Up 16.7 177.6 Really Low 08:11:29 - 08:41:29 11245
Carson City 08:26:29 -30.9 Dark Up 17.0 177.6 Really Low 08:11:29 - 08:41:29 11234
Yerington 08:26:27 -31.0 Dark Up 17.2 178.1 Really Low 08:11:27 - 08:41:27 11233
Gardnerville 08:26:29 -31.1 Dark Up 17.3 177.6 Really Low 08:11:29 - 08:41:29 11226
Hawthorne 08:26:25 -31.4 Dark Up 17.7 178.6 Really Low 08:11:25 - 08:41:25 11222
Tonopah 08:26:20 -31.6 Dark Up 18.2 179.8 Really Low 08:11:20 - 08:41:20 11217
Lee Vining 08:26:27 -32.0 Dark Up 18.3 178.1 Really Low 08:11:27 - 08:41:27 11198
Bishop 08:26:25 -32.5 Dark Up 18.9 178.8 Really Low 08:11:25 - 08:41:25 11183
Beatty 08:26:18 -32.7 Dark Up 19.4 180.2 Really Low 08:11:18 - 08:41:18 11179
Indian Springs 08:26:13 -32.8 Dark Up 19.7 181.1 Really Low 08:11:13 - 08:41:13 11174
Lone Pine 08:26:24 -33.2 Dark Up 19.6 179.0 Really Low 08:11:24 - 08:41:24 11158
Henderson 08:26:10 -33.2 Dark Up 20.2 181.7 Low 08:11:10 - 08:41:10 11158
Patrick 08:26:06 -33.6 Dark Up 20.8 182.7 Low 08:11:06 - 08:41:06 11140
Searchlight/Boulder City 08:26:11 -33.8 Dark Up 20.8 181.8 Low 08:11:11 - 08:41:11 11136
DCO 08:26:04 -33.7 Dark Up 21.1 183.3 Low 08:11:04 - 08:41:04 11131
Kingman/Dolan Springs 08:26:07 -33.8 Dark Up 21.0 182.5 Low 08:11:07 - 08:41:07 11130
Laughlin/Bullhead City 08:26:08 -34.0 Dark Up 21.1 182.1 Low 08:11:08 - 08:41:08 11127
Mohave Valley 08:26:09 -34.2 Dark Up 21.3 182.1 Low 08:11:09 - 08:41:09 11116
Lake Havasu City 08:26:08 -34.6 Dark Up 21.7 182.3 Low 08:11:08 - 08:41:08 11101
Parker 08:26:08 -34.9 Dark Up 22.1 182.4 Low 08:11:08 - 08:41:08 11087
CPSLO 08:26:33 -34.8 Dark Up 20.9 176.8 Low 08:11:33 - 08:41:33 11084
Blythe 08:26:09 -35.5 Dark Up 22.6 182.1 Low 08:11:09 - 08:41:09 11063
Idyllwild 08:26:17 -35.8 Dark Up 22.5 180.2 Low 08:11:17 - 08:41:17 11055
Wildwood 08:26:25 -35.7 Dark Up 22.1 178.5 Low 08:11:25 - 08:41:25 11054
Calipatria 08:26:12 -36.1 Dark Up 23.1 181.3 Low 08:11:12 - 08:41:12 11036
Yuma 08:26:09 -36.4 Dark Up 23.5 182.1 Low 08:11:09 - 08:41:09 11023

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 471155, (2019/05/18 08:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.51  21
26Eps Sco      16:50:08.9 -34:17:40  2.3  5.97  30
PPM 295006     16:23:56.8 -33:12:03  6.2  0.75  25
PPM 294980     16:22:33.9 -33:40:32  8.5  0.24  25
471155         16:21:26.3 -33:44:26 14.1        25
Positions are for J2000

Event circumstances last updated at 2018/06/11 23:13:38 UT

Marc W. Buie, Southwest Research Institute

RECON