RECON: TNO occultation with 10JE215

Event between 10JE215 and star GA0720:21027036 with event index number of 2090706

Geocentric closest approach at 2022/07/03 04:42:42 UTC

J2000 position of star is 18:16:22.1 -16:47:03
Equinox of date position of star is 18:17:39.3 -16:46:30
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 28.3 AU from the Sun and 27.3 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 382 seconds.
The 1-sigma cross-track error in the shadow position is 1574 km.
The sky-plane scale is 19766.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 6.0 sec chord
Diameter=54.3 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10JE215, (2022/07/03 04:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.4 -26:28:48  0.9 26.60 104
Nunki          18:56:39.5 -26:16:00  2.0 13.12 136
PPM 234283     18:18:30.2 -17:21:51  5.8  0.62 127
PPM 234354     18:20:21.8 -16:38:45  8.4  0.66 127
PPM 234242     18:16:42.7 -16:47:14  8.7  0.23 126
10JE215        18:17:40.4 -16:46:29 16.1       127
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 2.4 sigma about the mid-time.
The median site spacing is 22.9 km RECON observability=0.3 and success probability=8.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 04:43:39 -8.6 NT Up 17.0 152.1 Really Low 04:28:39 - 04:58:39 2070
Kamloops 04:44:19 -4.1 CT Up 13.1 138.7 Really Low 04:29:19 - 04:59:19 1927
Kelowna 04:44:19 -5.0 CT Up 14.1 139.4 Really Low 04:29:19 - 04:59:19 1899
Peachland 04:44:20 -5.0 CT Up 14.0 139.1 Really Low 04:29:20 - 04:59:20 1892
Summerland 04:44:20 -5.1 CT Up 14.2 139.2 Really Low 04:29:20 - 04:59:20 1886
Penticton 04:44:20 -5.2 CT Up 14.3 139.2 Really Low 04:29:20 - 04:59:20 1884
Oliver 04:44:21 -5.5 CT Up 14.5 139.2 Really Low 04:29:21 - 04:59:21 1868
Anarchist Mountain Observatory 04:44:21 -5.7 CT Up 14.8 139.3 Really Low 04:29:21 - 04:59:21 1862
Tonasket 04:44:22 -5.9 CT Up 15.0 139.2 Really Low 04:29:22 - 04:59:22 1847
Okanogan 04:44:24 -6.1 NT Up 15.2 139.0 Really Low 04:29:24 - 04:59:24 1830
Brewster 04:44:24 -6.1 NT Up 15.3 138.8 Really Low 04:29:24 - 04:59:24 1815
Manson/Chelan 04:44:26 -6.1 NT Up 15.3 138.4 Really Low 04:29:26 - 04:59:26 1802
Victoria 04:44:32 -4.1 CT Up 13.3 135.7 Really Low 04:29:32 - 04:59:32 1801
Wenatchee 04:44:28 -6.4 NT Up 15.6 138.2 Really Low 04:29:28 - 04:59:28 1777
Ellensburg 04:44:29 -6.6 NT Up 15.8 138.0 Really Low 04:29:29 - 04:59:29 1755
Yakima 04:44:30 -6.8 NT Up 16.1 137.9 Really Low 04:29:30 - 04:59:30 1735
Toppenish/White Swan 04:44:31 -7.1 NT Up 16.3 138.0 Really Low 04:29:31 - 04:59:31 1725
PNWRO 04:44:28 -8.1 NT Up 17.3 139.2 Really Low 04:29:28 - 04:59:28 1720
Goldendale 04:44:33 -7.3 NT Up 16.5 137.5 Really Low 04:29:33 - 04:59:33 1693
The Dalles 04:44:35 -7.2 NT Up 16.5 137.1 Really Low 04:29:35 - 04:59:35 1678
Maupin 04:44:35 -7.6 NT Up 16.9 137.1 Really Low 04:29:35 - 04:59:35 1657
Sisters 04:44:39 -7.9 NT Up 17.3 136.5 Really Low 04:29:39 - 04:59:39 1606
Bend 04:44:39 -8.2 NT Up 17.6 136.7 Really Low 04:29:39 - 04:59:39 1595
Oregon Observatory 04:44:40 -8.3 NT Up 17.6 136.6 Really Low 04:29:40 - 04:59:40 1585
North Lake 04:44:40 -9.0 NT Up 18.4 136.9 Really Low 04:29:40 - 04:59:40 1555
Chiloquin 04:44:44 -9.0 NT Up 18.4 135.9 Really Low 04:29:44 - 04:59:44 1507
Dunrhomin 04:43:51 -18.8 Dark Up 27.6 150.5 Low 04:28:51 - 04:58:51 1502
Lakeview 04:44:41 -10.0 NT Up 19.4 137.1 Really Low 04:29:41 - 04:59:41 1500
CU-SBO 04:43:51 -18.9 Dark Up 27.8 150.3 Low 04:28:51 - 04:58:51 1489
Klamath Falls 04:44:45 -9.3 NT Up 18.7 135.9 Really Low 04:29:45 - 04:59:45 1488
Cedarville 04:44:42 -10.6 NT Up 20.0 137.1 Low 04:29:42 - 04:59:42 1464
Fall River/Burney 04:44:47 -10.3 NT Up 19.7 136.0 Really Low 04:29:47 - 04:59:47 1422
Susanville 04:44:46 -11.1 NT Up 20.6 136.5 Low 04:29:46 - 04:59:46 1393
Gimple 04:44:48 -11.2 NT Up 20.7 136.2 Low 04:29:48 - 04:59:48 1373
Greenville 04:44:48 -11.1 NT Up 20.6 136.1 Low 04:29:48 - 04:59:48 1373
Quincy 04:44:49 -11.3 NT Up 20.8 136.1 Low 04:29:49 - 04:59:49 1360
Portola 04:44:48 -11.6 NT Up 21.1 136.5 Low 04:29:48 - 04:59:48 1358
Reno 04:44:46 -12.2 AT Up 21.6 136.9 Low 04:29:46 - 04:59:46 1348
Carson City 04:44:47 -12.4 AT Up 21.9 136.9 Low 04:29:47 - 04:59:47 1326
Yerington 04:44:46 -12.9 AT Up 22.4 137.3 Low 04:29:46 - 04:59:46 1320
Gardnerville 04:44:48 -12.6 AT Up 22.1 136.8 Low 04:29:48 - 04:59:48 1311
Hawthorne 04:44:45 -13.6 AT Up 23.0 137.7 Low 04:29:45 - 04:59:45 1296
Tonopah 04:44:42 -14.7 AT Up 24.1 138.8 Low 04:29:42 - 04:59:42 1280
Lee Vining 04:44:48 -13.7 AT Up 23.2 137.1 Low 04:29:48 - 04:59:48 1256
Bishop 04:44:47 -14.5 AT Up 24.0 137.5 Low 04:29:47 - 04:59:47 1224
Beatty 04:44:43 -15.7 AT Up 25.2 138.8 Low 04:29:43 - 04:59:43 1209
Indian Springs 04:44:40 -16.6 AT Up 26.0 139.7 Low 04:29:40 - 04:59:40 1197
Henderson 04:44:39 -17.3 AT Up 26.8 140.1 Low 04:29:39 - 04:59:39 1167
Patrick 04:44:37 -18.4 Dark Up 27.8 140.9 Low 04:29:37 - 04:59:37 1135
Kingman/Dolan Springs 04:44:38 -18.5 Dark Up 27.9 140.7 Low 04:29:38 - 04:59:38 1118
Laughlin/Bullhead City 04:44:40 -18.2 Dark Up 27.7 140.2 Low 04:29:40 - 04:59:40 1112
Mohave Valley 04:44:40 -18.4 Dark Up 27.9 140.1 Low 04:29:40 - 04:59:40 1093
Lake Havasu City 04:44:40 -18.9 Dark Up 28.3 140.2 Low 04:29:40 - 04:59:40 1068
Parker 04:44:41 -19.1 Dark Up 28.6 140.1 Low 04:29:41 - 04:59:41 1044
George/Scottsdale 04:44:33 -20.8 Dark Up 30.2 142.2 Up 04:29:33 - 04:59:33 1033
Wildwood 04:44:54 -16.7 AT Up 26.3 136.3 Low 04:29:54 - 04:59:54 1001
Idyllwild 04:44:50 -18.1 Dark Up 27.6 137.8 Low 04:29:50 - 04:59:50 995
Calipatria 04:44:47 -19.2 Dark Up 28.7 138.7 Low 04:29:47 - 04:59:47 961
Yuma 04:44:45 -20.0 Dark Up 29.5 139.3 Low 04:29:45 - 04:59:45 939

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 10JE215, (2022/07/03 04:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 26.60 104
Nunki          18:55:15.9 -26:17:49  2.0 13.12 136
PPM 234283     18:17:11.6 -17:22:26  5.8  0.62 127
PPM 234354     18:19:03.7 -16:39:24  8.4  0.66 127
PPM 234242     18:15:24.5 -16:47:45  8.7  0.23 126
10JE215        18:16:22.1 -16:47:03 16.1       127
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:05:07 UT

Marc W. Buie, Southwest Research Institute

RECON