RECON: TNO occultation with 03QW113

Event between 03QW113 and star GA0860:00002939 with event index number of 201108

Geocentric closest approach at 2019/07/21 11:20:46 UTC

J2000 position of star is 00:01:58.5 -02:07:24
Equinox of date position of star is 00:02:56.1 -02:01:08
Stellar brightness G=15.1, use SENSEUP=128
Star is 11 degrees from the moon. Moon is 82% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.8 AU from the Sun and 30.3 AU from the Earth.
The TNO is moving 8.2 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 607 seconds.
The 1-sigma cross-track error in the shadow position is 2111 km.
The sky-plane scale is 21953.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=206.1 km assuming a 5% albedo -- 25.1 sec chord
Diameter=84.1 km assuming a 30% albedo -- 10.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03QW113, (2019/07/21 11:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:43.6 -29:31:05  1.2 31.46  22
Algenib        00:14:14.7 +15:17:32  2.8 17.53  27
29 Psc         00:02:49.6 -02:55:07  5.4  0.91  11
PPM 208213     00:00:49.4 -02:00:14  8.5  0.54  11
PPM 181780     00:03:17.4 -02:01:50  9.6  0.08  11
03QW113        00:02:58.6 -02:00:52 15.1        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 1.5 sigma about the mid-time.
The median site spacing is 26.5 km RECON observability=0.3 and success probability=7.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 11:16:18 -7.8 NT Up 37.0 165.1 Up 11:01:18 - 11:31:18 -1684
Penticton 11:16:22 -8.1 NT Up 37.3 164.8 Up 11:01:22 - 11:31:22 -1695
Okanagan Falls 11:16:23 -8.3 NT Up 37.5 164.8 Up 11:01:23 - 11:31:23 -1703
Southern Okanagan 11:16:24 -8.4 NT Up 37.7 164.8 Up 11:01:24 - 11:31:24 -1711
Oroville 11:16:25 -8.5 NT Up 37.9 164.9 Up 11:01:25 - 11:31:25 -1728
Tonasket 11:16:26 -8.6 NT Up 38.1 164.8 Up 11:01:26 - 11:31:26 -1740
Okanogan 11:16:29 -9.0 NT Up 38.4 164.6 Up 11:01:29 - 11:31:29 -1750
Manson/Chelan 11:16:36 -9.5 NT Up 38.8 163.8 Up 11:01:36 - 11:31:36 -1751
Brewster 11:16:33 -9.2 NT Up 38.7 164.3 Up 11:01:33 - 11:31:33 -1755
Entiat 11:16:38 -9.7 NT Up 39.0 163.7 Up 11:01:38 - 11:31:38 -1759
Wenatchee 11:16:41 -10.0 NT Up 39.2 163.5 Up 11:01:41 - 11:31:41 -1767
Ellensburg 11:16:45 -10.3 NT Up 39.6 163.2 Up 11:01:45 - 11:31:45 -1779
Yakima 11:16:48 -10.6 NT Up 40.0 163.0 Up 11:01:48 - 11:31:48 -1799
Toppenish/White Swan 11:16:48 -10.7 NT Up 40.2 163.2 Up 11:01:48 - 11:31:48 -1817
The Dalles 11:16:59 -11.6 NT Up 40.8 162.1 Up 11:01:59 - 11:31:59 -1824
Goldendale 11:16:55 -11.3 NT Up 40.7 162.6 Up 11:01:55 - 11:31:55 -1828
Maupin 11:17:01 -11.9 NT Up 41.2 162.1 Up 11:02:01 - 11:32:01 -1851
Pasco 11:16:39 -10.2 NT Up 40.6 164.8 Up 11:01:39 - 11:31:39 -1876
Sisters 11:17:11 -12.7 AT Up 42.0 161.3 Up 11:02:11 - 11:32:11 -1876
Madras/Culver 11:17:05 -12.3 AT Up 41.7 161.9 Up 11:02:05 - 11:32:05 -1878
George/Umatilla 11:16:43 -10.5 NT Up 40.9 164.4 Up 11:01:43 - 11:31:43 -1884
Redmond 11:17:08 -12.6 AT Up 42.1 161.8 Up 11:02:08 - 11:32:08 -1895
PNWRO 11:16:39 -10.3 NT Up 40.8 165.0 Up 11:01:39 - 11:31:39 -1899
Bend 11:17:10 -12.8 AT Up 42.2 161.5 Up 11:02:10 - 11:32:10 -1900
Oregon Observatory 11:17:13 -13.0 AT Up 42.4 161.3 Up 11:02:13 - 11:32:13 -1904
La Pine/Gilchrist 11:17:14 -13.1 AT Up 42.6 161.2 Up 11:02:14 - 11:32:14 -1912
Chiloquin 11:17:25 -14.1 AT Up 43.5 160.4 Up 11:02:25 - 11:32:25 -1958
North Lake 11:17:13 -13.2 AT Up 43.1 161.8 Up 11:02:13 - 11:32:13 -1962
Klamath Falls 11:17:27 -14.3 AT Up 43.9 160.4 Up 11:02:27 - 11:32:27 -1981
Paisley 11:17:14 -13.4 AT Up 43.7 162.2 Up 11:02:14 - 11:32:14 -2009
Tulelake 11:17:26 -14.3 AT Up 44.2 160.8 Up 11:02:26 - 11:32:26 -2009
Lakeview 11:17:16 -13.6 AT Up 44.2 162.3 Up 11:02:16 - 11:32:16 -2046
Fall River/Burney 11:17:32 -14.9 AT Up 45.1 160.6 Up 11:02:32 - 11:32:32 -2065
Cedarville 11:17:19 -14.0 AT Up 44.9 162.4 Up 11:02:19 - 11:32:19 -2092
Susanville 11:17:30 -15.0 AT Up 45.9 161.4 Up 11:02:30 - 11:32:30 -2135
Greenville 11:17:35 -15.3 AT Up 46.1 160.9 Up 11:02:35 - 11:32:35 -2138
Gimple 11:17:34 -15.3 AT Up 46.1 161.0 Up 11:02:34 - 11:32:34 -2142
Quincy 11:17:36 -15.5 AT Up 46.3 160.9 Up 11:02:36 - 11:32:36 -2150
Portola 11:17:33 -15.3 AT Up 46.5 161.5 Up 11:02:33 - 11:32:33 -2180
Reno 11:17:29 -15.1 AT Up 46.9 162.3 Up 11:02:29 - 11:32:29 -2226
Carson City 11:17:31 -15.4 AT Up 47.2 162.2 Up 11:02:31 - 11:32:31 -2249
Gardnerville 11:17:33 -15.5 AT Up 47.5 162.2 Up 11:02:33 - 11:32:33 -2266
Yerington 11:17:27 -15.2 AT Up 47.6 163.0 Up 11:02:27 - 11:32:27 -2290
Hawthorne 11:17:26 -15.2 AT Up 48.1 163.7 Up 11:02:26 - 11:32:26 -2344
Lee Vining 11:17:34 -15.8 AT Up 48.6 162.8 Up 11:02:34 - 11:32:34 -2356
Bishop 11:17:32 -15.8 AT Up 49.3 163.7 Up 11:02:32 - 11:32:32 -2429
Tonopah 11:17:17 -14.7 AT Up 48.9 165.6 Up 11:02:17 - 11:32:17 -2441
CPSLO 11:18:06 -18.5 Dark Up 50.7 159.7 Up 11:03:06 - 11:33:06 -2454
Lone Pine 11:17:34 -16.1 AT Up 50.1 163.9 Up 11:02:34 - 11:32:34 -2495
Beatty 11:17:21 -15.2 AT Up 50.1 165.9 Up 11:02:21 - 11:32:21 -2538
Indian Springs 11:17:13 -14.7 AT Up 50.6 167.5 Up 11:02:13 - 11:32:13 -2612
Wildwood 11:17:56 -18.1 Dark Up 52.4 162.3 Up 11:02:56 - 11:32:56 -2636
Henderson 11:17:11 -14.7 AT Up 51.2 168.4 Up 11:02:11 - 11:32:11 -2682
Searchlight/Boulder City 11:17:14 -15.0 AT Up 51.8 168.4 Up 11:02:14 - 11:32:14 -2724
Idyllwild 11:17:42 -17.2 AT Up 53.2 165.1 Up 11:02:42 - 11:32:42 -2755
Laughlin/Bullhead City 11:17:13 -15.0 AT Up 52.2 168.8 Up 11:02:13 - 11:32:13 -2762
Patrick 11:17:05 -14.4 AT Up 52.0 170.0 Up 11:02:05 - 11:32:05 -2781
Mohave Valley 11:17:15 -15.1 AT Up 52.4 168.8 Up 11:02:15 - 11:32:15 -2781
Kingman/Dolan Springs 11:17:08 -14.6 AT Up 52.2 169.6 Up 11:02:08 - 11:32:08 -2787
Lake Havasu City 11:17:15 -15.2 AT Up 52.9 169.1 Up 11:02:15 - 11:32:15 -2822
DCO 11:17:01 -14.1 AT Up 52.4 171.0 Up 11:02:01 - 11:32:01 -2837
Parker 11:17:17 -15.4 AT Up 53.2 169.1 Up 11:02:17 - 11:32:17 -2848
Calipatria 11:17:35 -16.8 AT Up 54.0 166.9 Up 11:02:35 - 11:32:35 -2858
Blythe 11:17:23 -15.9 AT Up 53.7 168.5 Up 11:02:23 - 11:32:23 -2870
Niwot 11:15:24 -6.3 NT Up 47.7 183.2 Up 11:00:24 - 11:30:24 -2877
Yuma 11:17:29 -16.5 AT Up 54.6 168.2 Up 11:02:29 - 11:32:29 -2934

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 03QW113, (2019/07/21 11:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 31.46  22
Algenib        00:13:14.2 +15:11:01  2.8 17.53  27
29 Psc         00:01:49.5 -03:01:39  5.4  0.91  11
PPM 208213     23:59:49.2 -02:06:46  8.5  0.54  11
PPM 181780     00:02:17.3 -02:08:22  9.6  0.08  11
03QW113        00:01:58.5 -02:07:24 15.1        11
Positions are for J2000

Event circumstances last updated at 2018/09/23 17:52:18 UT

Marc W. Buie, Southwest Research Institute

RECON