RECON: TNO occultation with 03QX90

Event between 03QX90 and star GA0760:24279566 with event index number of 1031743

Geocentric closest approach at 2019/11/07 03:41:54 UTC

J2000 position of star is 22:24:18.4 -13:25:44
Equinox of date position of star is 22:25:20.3 -13:19:49
Stellar brightness G=10.6, use SENSEUP=4
Star is 11 degrees from the moon. Moon is 75% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 44.8 AU from the Sun and 44.4 AU from the Earth.
The TNO is moving 5.1 km/sec on the sky relative to the star, or, 0.6 arcsec/hr.
The 1-sigma error in the time of the event is 1414 seconds.
The 1-sigma cross-track error in the shadow position is 5506 km.
The sky-plane scale is 32219.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=285.8 km assuming a 5% albedo -- 56.0 sec chord
Diameter=116.7 km assuming a 30% albedo -- 22.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03QX90, (2019/11/07 03:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:44.6 -29:31:00  1.2 17.94  19
50 Aqr         22:25:30.7 -13:25:42  5.8  0.11  11
PPM 240227     22:25:47.7 -12:51:24  8.0  0.48  11
50 Aqr         22:25:30.7 -13:25:42  5.8  0.11  11
03QX90         22:25:22.0 -13:19:40 10.6        11
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 0.6 sigma about the mid-time.
The median site spacing is 13.4 km RECON observability=1.0 and success probability=5.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 03:39:42 -31.3 Dark Up 26.5 186.0 Low 03:24:42 - 03:54:42 -1187
Summerland 03:39:45 -31.1 Dark Up 26.8 185.7 Low 03:24:45 - 03:54:45 -1200
Penticton 03:39:43 -31.2 Dark Up 26.9 185.8 Low 03:24:43 - 03:54:43 -1204
Okanagan Falls 03:39:44 -31.3 Dark Up 27.0 185.8 Low 03:24:44 - 03:54:44 -1214
Oliver 03:39:43 -31.3 Dark Up 27.2 185.9 Low 03:24:43 - 03:54:43 -1222
Anarchist Mountain Observatory 03:39:40 -31.5 Dark Up 27.4 186.1 Low 03:24:40 - 03:54:40 -1232
Oroville 03:39:40 -31.4 Dark Up 27.4 186.0 Low 03:24:40 - 03:54:40 -1236
Tonasket 03:39:41 -31.5 Dark Up 27.7 186.0 Low 03:24:41 - 03:54:41 -1248
Okanogan 03:39:42 -31.4 Dark Up 28.0 185.9 Low 03:24:42 - 03:54:42 -1265
Brewster 03:39:47 -31.4 Dark Up 28.3 185.7 Low 03:24:47 - 03:54:47 -1279
Manson/Chelan 03:39:51 -31.2 Dark Up 28.5 185.3 Low 03:24:51 - 03:54:51 -1288
Entiat 03:39:52 -31.2 Dark Up 28.8 185.2 Low 03:24:52 - 03:54:52 -1299
Wenatchee 03:39:53 -31.2 Dark Up 29.0 185.1 Low 03:24:53 - 03:54:53 -1313
Ellensburg 03:39:54 -31.1 Dark Up 29.4 184.9 Low 03:24:54 - 03:54:54 -1335
Yakima 03:39:55 -31.2 Dark Up 29.9 184.9 Low 03:24:55 - 03:54:55 -1357
Toppenish/White Swan 03:39:52 -31.3 Dark Up 30.1 185.1 Up 03:24:52 - 03:54:52 -1370
Pasco 03:39:36 -32.1 Dark Up 30.1 186.5 Up 03:24:36 - 03:54:36 -1384
PNWRO 03:39:32 -32.3 Dark Up 30.3 186.7 Up 03:24:32 - 03:54:32 -1399
Goldendale 03:40:00 -31.1 Dark Up 30.6 184.7 Up 03:25:00 - 03:55:00 -1399
George/Umatilla 03:39:38 -32.1 Dark Up 30.4 186.3 Up 03:24:38 - 03:54:38 -1401
The Dalles 03:40:03 -30.9 Dark Up 30.9 184.3 Up 03:25:03 - 03:55:03 -1410
Maupin 03:40:02 -31.0 Dark Up 31.3 184.5 Up 03:25:02 - 03:55:02 -1435
Madras/Culver 03:40:04 -31.1 Dark Up 31.8 184.4 Up 03:25:04 - 03:55:04 -1467
Sisters 03:40:10 -30.8 Dark Up 32.2 184.0 Up 03:25:10 - 03:55:10 -1485
Redmond 03:40:03 -31.1 Dark Up 32.2 184.4 Up 03:25:03 - 03:55:03 -1488
Bend 03:40:05 -31.0 Dark Up 32.4 184.3 Up 03:25:05 - 03:55:05 -1500
Oregon Observatory 03:40:06 -31.0 Dark Up 32.6 184.1 Up 03:25:06 - 03:55:06 -1510
La Pine/Gilchrist 03:40:09 -31.0 Dark Up 32.8 184.1 Up 03:25:09 - 03:55:09 -1522
North Lake 03:39:58 -31.4 Dark Up 33.2 184.7 Up 03:24:58 - 03:54:58 -1552
Paisley 03:39:52 -31.7 Dark Up 33.7 185.2 Up 03:24:52 - 03:54:52 -1588
Chiloquin 03:40:12 -30.8 Dark Up 33.9 183.7 Up 03:25:12 - 03:55:12 -1589
Klamath Falls 03:40:11 -30.9 Dark Up 34.3 183.8 Up 03:25:11 - 03:55:11 -1611
Lakeview 03:39:49 -31.9 Dark Up 34.2 185.4 Up 03:24:49 - 03:54:49 -1621
Tulelake 03:40:07 -31.2 Dark Up 34.5 184.2 Up 03:25:07 - 03:55:07 -1629
Cedarville 03:39:47 -32.1 Dark Up 34.9 185.6 Up 03:24:47 - 03:54:47 -1663
Fall River/Burney 03:40:07 -31.3 Dark Up 35.4 184.3 Up 03:25:07 - 03:55:07 -1688
Susanville 03:39:54 -31.9 Dark Up 36.0 185.2 Up 03:24:54 - 03:54:54 -1733
Greenville 03:39:58 -31.7 Dark Up 36.3 184.9 Up 03:24:58 - 03:54:58 -1750
Gimple 03:39:57 -31.8 Dark Up 36.3 185.0 Up 03:24:57 - 03:54:57 -1750
Quincy 03:39:59 -31.7 Dark Up 36.5 184.9 Up 03:24:59 - 03:54:59 -1763
Portola 03:39:51 -32.1 Dark Up 36.6 185.4 Up 03:24:51 - 03:54:51 -1774
Reno 03:39:40 -32.6 Dark Up 36.8 186.2 Up 03:24:40 - 03:54:40 -1796
Carson City 03:39:40 -32.6 Dark Up 37.2 186.2 Up 03:24:40 - 03:54:40 -1820
Yerington 03:39:30 -33.1 Dark Up 37.3 187.0 Up 03:24:30 - 03:54:30 -1837
Gardnerville 03:39:38 -32.7 Dark Up 37.4 186.3 Up 03:24:38 - 03:54:38 -1837
Niwot 03:35:56 -42.8 Dark Up 33.7 202.1 Up 03:20:56 - 03:50:56 -1872
Hawthorne 03:39:22 -33.5 Dark Up 37.7 187.6 Up 03:24:22 - 03:54:22 -1872
SwRI 03:35:57 -42.8 Dark Up 33.8 202.0 Up 03:20:57 - 03:50:57 -1878
Lee Vining 03:39:27 -33.2 Dark Up 38.3 187.1 Up 03:24:27 - 03:54:27 -1908
Tonopah 03:38:57 -34.6 Dark Up 38.0 189.3 Up 03:23:57 - 03:53:57 -1914
Bishop 03:39:15 -33.8 Dark Up 38.9 188.0 Up 03:24:15 - 03:54:15 -1955
Beatty 03:38:50 -35.1 Dark Up 39.1 190.0 Up 03:23:50 - 03:53:50 -1998
Lone Pine 03:39:10 -34.1 Dark Up 39.6 188.5 Up 03:24:10 - 03:54:10 -2011
Indian Springs 03:38:30 -35.9 Dark Up 39.3 191.3 Up 03:23:30 - 03:53:30 -2029
Henderson 03:38:20 -36.5 Dark Up 39.7 192.2 Up 03:23:20 - 03:53:20 -2073
CPSLO 03:39:51 -32.3 Dark Up 41.1 185.5 Up 03:24:51 - 03:54:51 -2090
Searchlight/Boulder City 03:38:17 -36.6 Dark Up 40.3 192.3 Up 03:23:17 - 03:53:17 -2116
Patrick 03:38:00 -37.4 Dark Up 40.1 193.6 Up 03:23:00 - 03:53:00 -2128
Laughlin/Bullhead City 03:38:11 -36.9 Dark Up 40.5 192.8 Up 03:23:11 - 03:53:11 -2140
Kingman/Dolan Springs 03:38:03 -37.3 Dark Up 40.4 193.4 Up 03:23:03 - 03:53:03 -2143
DCO 03:37:49 -38.0 Dark Up 40.3 194.5 Up 03:22:49 - 03:52:49 -2156
Mohave Valley 03:38:10 -36.9 Dark Up 40.8 192.8 Up 03:23:10 - 03:53:10 -2161
Wildwood 03:39:17 -33.9 Dark Up 42.1 188.1 Up 03:24:17 - 03:54:17 -2192
Lake Havasu City 03:38:05 -37.1 Dark Up 41.1 193.2 Up 03:23:05 - 03:53:05 -2193
Parker 03:38:05 -37.2 Dark Up 41.4 193.3 Up 03:23:05 - 03:53:05 -2219
Idyllwild 03:38:44 -35.4 Dark Up 42.2 190.5 Up 03:23:44 - 03:53:44 -2232
Blythe 03:38:09 -37.0 Dark Up 42.0 193.1 Up 03:23:09 - 03:53:09 -2257
Calipatria 03:38:24 -36.3 Dark Up 42.6 192.0 Up 03:23:24 - 03:53:24 -2288
Yuma 03:38:09 -37.0 Dark Up 42.9 193.2 Up 03:23:09 - 03:53:09 -2328

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 03QX90, (2019/11/07 03:42UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 17.94  19
50 Aqr         22:24:27.1 -13:31:46  5.8  0.11  11
PPM 240227     22:24:44.2 -12:57:28  8.0  0.48  11
50 Aqr         22:24:27.1 -13:31:46  5.8  0.11  11
03QX90         22:24:18.4 -13:25:44 10.6        11
Positions are for J2000

Event circumstances last updated at 2019/04/25 23:17:54 UT

Marc W. Buie, Southwest Research Institute

RECON