RECON: TNO occultation with 04MT8

Event between 04MT8 and star GA0680:36044902 with event index number of 195290

Geocentric closest approach at 2019/06/23 11:04:02 UTC

J2000 position of star is 20:27:02.0 -20:32:29
Equinox of date position of star is 20:28:06.1 -20:28:47
Stellar brightness G=16.4, use SENSEUP=128
Star is 36 degrees from the moon. Moon is 68% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 44.9 AU from the Sun and 44.1 AU from the Earth.
The TNO is moving 20.3 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 800 seconds.
The 1-sigma cross-track error in the shadow position is 3571 km.
The sky-plane scale is 31957.7 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 14.4 sec chord
Diameter=118.8 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 04MT8, (2019/06/23 11:04UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:43.3 -29:31:07  1.2 35.13  18
38Zet Sgr      19:03:50.9 -29:51:02  2.7 21.21  57
7Sig Cap       20:20:30.9 -19:03:23  5.3  2.29  38
PPM 271194     20:30:08.2 -20:50:09  7.5  0.59  36
PPM 271145     20:27:59.7 -20:44:50  8.7  0.27  36
04MT8          20:28:09.7 -20:28:35 16.4        36
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 1.1 sigma about the mid-time.
The median site spacing is 81.7 km RECON observability=0.1 and success probability=3.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 11:07:50 -6.0 CT Up 19.1 191.9 Really Low 10:52:50 - 11:22:50 1915
Oroville 11:07:50 -6.4 CT Up 19.7 192.0 Really Low 10:52:50 - 11:22:50 1887
Tonasket 11:07:49 -6.6 CT Up 19.9 192.0 Really Low 10:52:49 - 11:22:49 1877
Okanogan 11:07:50 -6.9 CT Up 20.3 191.9 Low 10:52:50 - 11:22:50 1866
Brewster 11:07:50 -7.2 CT Up 20.6 191.7 Low 10:52:50 - 11:22:50 1859
Manson/Chelan 11:07:52 -7.5 CT Up 20.8 191.4 Low 10:52:52 - 11:22:52 1858
Entiat 11:07:52 -7.7 CT Up 21.0 191.4 Low 10:52:52 - 11:22:52 1850
Wenatchee 11:07:52 -7.9 CT Up 21.3 191.3 Low 10:52:52 - 11:22:52 1841
Ellensburg 11:07:53 -8.3 CT Up 21.7 191.1 Low 10:52:53 - 11:22:53 1828
Yakima 11:07:53 -8.6 CT Up 22.1 191.1 Low 10:52:53 - 11:22:53 1810
Toppenish/White Swan 11:07:52 -8.7 CT Up 22.3 191.3 Low 10:52:52 - 11:22:52 1796
Goldendale 11:07:54 -9.3 CT Up 22.9 190.9 Low 10:52:54 - 11:22:54 1780
The Dalles 11:07:54 -9.7 CT Up 23.2 190.6 Low 10:52:54 - 11:22:54 1778
Pasco 11:07:48 -8.2 CT Up 22.3 192.6 Low 10:52:48 - 11:22:48 1758
Maupin 11:07:55 -9.9 CT Up 23.6 190.7 Low 10:52:55 - 11:22:55 1756
George/Umatilla 11:07:48 -8.6 CT Up 22.6 192.4 Low 10:52:48 - 11:22:48 1748
PNWRO 11:07:47 -8.3 CT Up 22.5 192.8 Low 10:52:47 - 11:22:47 1741
Madras/Culver 11:07:54 -10.4 CT Up 24.1 190.7 Low 10:52:54 - 11:22:54 1730
Sisters 11:07:56 -10.8 CT Up 24.5 190.3 Low 10:52:56 - 11:22:56 1725
Redmond 11:07:54 -10.7 CT Up 24.5 190.7 Low 10:52:54 - 11:22:54 1714
Bend 11:07:55 -10.9 CT Up 24.7 190.6 Low 10:52:55 - 11:22:55 1707
Oregon Observatory 11:07:56 -11.1 CT Up 24.9 190.4 Low 10:52:56 - 11:22:56 1701
La Pine/Gilchrist 11:07:57 -11.3 CT Up 25.1 190.4 Low 10:52:57 - 11:22:57 1692
North Lake 11:07:54 -11.3 CT Up 25.5 191.0 Low 10:52:54 - 11:22:54 1655
Chiloquin 11:07:57 -12.3 AT Up 26.3 190.1 Low 10:52:57 - 11:22:57 1644
Klamath Falls 11:07:57 -12.5 AT Up 26.6 190.2 Low 10:52:57 - 11:22:57 1624
Paisley 11:07:52 -11.5 CT Up 26.0 191.5 Low 10:52:52 - 11:22:52 1617
Tulelake 11:07:56 -12.5 AT Up 26.8 190.6 Low 10:52:56 - 11:22:56 1602
Lakeview 11:07:51 -11.8 CT Up 26.4 191.7 Low 10:52:51 - 11:22:51 1585
Fall River/Burney 11:07:56 -13.2 AT Up 27.7 190.8 Low 10:52:56 - 11:22:56 1551
Cedarville 11:07:51 -12.2 AT Up 27.0 192.0 Low 10:52:51 - 11:22:51 1545
Susanville 11:07:53 -13.3 AT Up 28.2 191.6 Low 10:52:53 - 11:22:53 1496
Greenville 11:07:54 -13.6 AT Up 28.5 191.3 Low 10:52:54 - 11:22:54 1489
Gimple 11:07:54 -13.6 AT Up 28.5 191.4 Low 10:52:54 - 11:22:54 1486
Quincy 11:07:54 -13.8 AT Up 28.7 191.3 Low 10:52:54 - 11:22:54 1477
Portola 11:07:52 -13.6 AT Up 28.8 191.8 Low 10:52:52 - 11:22:52 1457
Reno 11:07:50 -13.5 AT Up 28.9 192.5 Low 10:52:50 - 11:22:50 1424
Carson City 11:07:50 -13.7 AT Up 29.3 192.6 Low 10:52:50 - 11:22:50 1403
Gardnerville 11:07:49 -13.9 AT Up 29.5 192.7 Low 10:52:49 - 11:22:49 1387
Yerington 11:07:47 -13.5 AT Up 29.4 193.3 Low 10:52:47 - 11:22:47 1374
Hawthorne 11:07:45 -13.6 AT Up 29.7 193.9 Low 10:52:45 - 11:22:45 1331
Lee Vining 11:07:47 -14.3 AT Up 30.3 193.5 Up 10:52:47 - 11:22:47 1311
Tonopah 11:07:40 -13.1 AT Up 29.9 195.4 Low 10:52:40 - 11:22:40 1262
Bishop 11:07:44 -14.3 AT Up 30.8 194.3 Up 10:52:44 - 11:22:44 1254
Lone Pine 11:07:43 -14.6 AT Up 31.5 194.8 Up 10:52:43 - 11:22:43 1197
CPSLO 11:07:54 -17.0 AT Up 33.2 192.2 Up 10:52:54 - 11:22:54 1190
Beatty 11:07:38 -13.7 AT Up 30.9 196.1 Up 10:52:38 - 11:22:38 1177
Indian Springs 11:07:34 -13.3 AT Up 31.0 197.3 Up 10:52:34 - 11:22:34 1124
Henderson 11:07:31 -13.3 AT Up 31.3 198.1 Up 10:52:31 - 11:22:31 1068
Wildwood 11:07:46 -16.7 AT Up 34.0 194.6 Up 10:52:46 - 11:22:46 1051
Searchlight/Boulder City 11:07:31 -13.6 AT Up 31.8 198.3 Up 10:52:31 - 11:22:31 1029
Niwot 11:06:56 -4.8 CT Up 24.6 207.0 Low 10:51:56 - 11:21:56 1017
Laughlin/Bullhead City 11:07:29 -13.6 AT Up 32.0 198.7 Up 10:52:29 - 11:22:29 998
Patrick 11:07:26 -13.0 AT Up 31.6 199.4 Up 10:52:26 - 11:22:26 992
Kingman/Dolan Springs 11:07:27 -13.3 AT Up 31.9 199.2 Up 10:52:27 - 11:22:27 984
Mohave Valley 11:07:29 -13.8 AT Up 32.3 198.8 Up 10:52:29 - 11:22:29 980
Idyllwild 11:07:38 -15.9 AT Up 33.9 196.7 Up 10:52:38 - 11:22:38 969
DCO 11:07:24 -12.8 AT Up 31.7 200.2 Up 10:52:24 - 11:22:24 949
Lake Havasu City 11:07:28 -13.9 AT Up 32.6 199.1 Up 10:52:28 - 11:22:28 945
Parker 11:07:28 -14.1 AT Up 32.9 199.2 Up 10:52:28 - 11:22:28 921
Blythe 11:07:29 -14.7 AT Up 33.5 199.0 Up 10:52:29 - 11:22:29 895
Calipatria 11:07:33 -15.6 AT Up 34.2 198.1 Up 10:52:33 - 11:22:33 891
Yuma 11:07:29 -15.3 AT Up 34.4 199.2 Up 10:52:29 - 11:22:29 832

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 04MT8, (2019/06/23 11:04UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 35.13  18
38Zet Sgr      19:02:36.7 -29:52:49  2.7 21.21  57
7Sig Cap       20:19:23.6 -19:07:07  5.3  2.29  38
PPM 271194     20:29:00.4 -20:54:06  7.5  0.59  36
PPM 271145     20:26:51.9 -20:48:44  8.7  0.27  36
04MT8          20:27:02.0 -20:32:29 16.4        36
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:19:38 UT

Marc W. Buie, Southwest Research Institute

RECON