RECON: TNO occultation with 10JJ124

Event between 10JJ124 and star GA0760:17666893 with event index number of 2098261

Geocentric closest approach at 2022/08/06 05:54:11 UTC

J2000 position of star is 18:45:00.2 -12:21:10
Equinox of date position of star is 18:46:14.8 -12:19:42
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 48 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=20.8

[RECON map]
TNO is 25.8 AU from the Sun and 25.0 AU from the Earth.
The TNO is moving 18.8 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 335 seconds.
The 1-sigma cross-track error in the shadow position is 5354 km.
The sky-plane scale is 18127.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=284.5 km assuming a 5% albedo -- 15.1 sec chord
Diameter=116.1 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10JJ124, (2022/08/06 05:54UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.8 -26:28:49  0.9 34.79  17
Nunki          18:56:39.9 -26:16:00  2.0 14.15  49
PPM 235105     18:51:47.8 -13:32:40  6.5  1.81  49
PPM 234983     18:46:50.0 -12:33:44  7.6  0.27  49
PPM 234953     18:45:17.5 -12:20:11  9.3  0.24  48
10JJ124        18:46:16.2 -12:19:40 15.8        49
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 2.7 sigma about the mid-time.
The median site spacing is 18.5 km RECON observability=1.0 and success probability=6.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:53:14 -19.2 Dark Down 24.1 197.0 Low 05:38:14 - 06:08:14 2277
Kamloops 05:54:04 -16.6 AT Up 27.0 181.8 Low 05:39:04 - 06:09:04 2242
Kelowna 05:54:01 -17.6 AT Up 27.7 182.8 Low 05:39:01 - 06:09:01 2199
Peachland 05:54:02 -17.5 AT Up 27.9 182.5 Low 05:39:02 - 06:09:02 2194
Summerland 05:54:02 -17.7 AT Up 28.0 182.6 Low 05:39:02 - 06:09:02 2186
Penticton 05:54:01 -17.8 AT Up 28.1 182.7 Low 05:39:01 - 06:09:01 2182
Oliver 05:54:01 -18.1 Dark Up 28.4 182.7 Low 05:39:01 - 06:09:01 2164
Anarchist Mountain Observatory 05:54:00 -18.3 Dark Up 28.6 182.9 Low 05:39:00 - 06:09:00 2155
Tonasket 05:54:01 -18.5 Dark Up 28.9 182.9 Low 05:39:01 - 06:09:01 2138
Victoria 05:54:16 -17.2 AT Up 29.1 178.5 Low 05:39:16 - 06:09:16 2129
Okanogan 05:54:01 -18.8 Dark Up 29.2 182.7 Low 05:39:01 - 06:09:01 2120
Brewster 05:54:02 -18.9 Dark Up 29.5 182.5 Low 05:39:02 - 06:09:02 2105
Manson/Chelan 05:54:03 -19.0 Dark Up 29.7 182.1 Low 05:39:03 - 06:09:03 2094
Wenatchee 05:54:04 -19.3 Dark Up 30.2 181.9 Up 05:39:04 - 06:09:04 2067
Ellensburg 05:54:05 -19.6 Dark Up 30.6 181.7 Up 05:39:05 - 06:09:05 2044
Yakima 05:54:05 -19.9 Dark Up 31.0 181.7 Up 05:39:05 - 06:09:05 2021
Toppenish/White Swan 05:54:04 -20.1 Dark Up 31.3 181.9 Up 05:39:04 - 06:09:04 2008
PNWRO 05:53:58 -21.0 Dark Up 31.6 183.6 Up 05:38:58 - 06:08:58 1986
Goldendale 05:54:06 -20.4 Dark Up 31.8 181.4 Up 05:39:06 - 06:09:06 1977
The Dalles 05:54:07 -20.5 Dark Up 32.0 181.0 Up 05:39:07 - 06:09:07 1963
Maupin 05:54:07 -20.8 Dark Up 32.5 181.1 Up 05:39:07 - 06:09:07 1939
Sisters 05:54:09 -21.4 Dark Up 33.3 180.5 Up 05:39:09 - 06:09:09 1886
Bend 05:54:08 -21.7 Dark Up 33.6 180.8 Up 05:39:08 - 06:09:08 1872
Oregon Observatory 05:54:08 -21.8 Dark Up 33.8 180.7 Up 05:39:08 - 06:09:08 1861
North Lake 05:54:06 -22.5 Dark Up 34.4 181.3 Up 05:39:06 - 06:09:06 1821
Chiloquin 05:54:10 -22.6 Dark Up 35.1 180.2 Up 05:39:10 - 06:09:10 1778
Klamath Falls 05:54:10 -23.0 Dark Up 35.4 180.3 Up 05:39:10 - 06:09:10 1756
Lakeview 05:54:03 -23.6 Dark Up 35.4 182.0 Up 05:39:03 - 06:09:03 1753
Cedarville 05:54:03 -24.2 Dark Up 36.1 182.2 Up 05:39:03 - 06:09:03 1710
Fall River/Burney 05:54:08 -24.1 Dark Up 36.6 180.8 Up 05:39:08 - 06:09:08 1679
Susanville 05:54:05 -24.9 Dark Up 37.2 181.7 Up 05:39:05 - 06:09:05 1637
Greenville 05:54:06 -25.0 Dark Up 37.5 181.3 Up 05:39:06 - 06:09:06 1618
Gimple 05:54:06 -25.0 Dark Up 37.5 181.4 Up 05:39:06 - 06:09:06 1618
Quincy 05:54:06 -25.2 Dark Up 37.7 181.3 Up 05:39:06 - 06:09:06 1604
Portola 05:54:04 -25.5 Dark Up 37.8 181.9 Up 05:39:04 - 06:09:04 1596
Dunrhomin 05:52:57 -30.5 Dark Up 35.2 199.9 Up 05:37:57 - 06:07:57 1579
Reno 05:54:01 -26.0 Dark Up 38.1 182.7 Up 05:39:01 - 06:09:01 1577
CU-SBO 05:52:57 -30.7 Dark Up 35.5 199.9 Up 05:37:57 - 06:07:57 1563
Carson City 05:54:01 -26.3 Dark Up 38.4 182.8 Up 05:39:01 - 06:09:01 1552
Yerington 05:53:58 -26.7 Dark Up 38.6 183.5 Up 05:38:58 - 06:08:58 1538
Gardnerville 05:54:01 -26.5 Dark Up 38.7 182.8 Up 05:39:01 - 06:09:01 1535
Hawthorne 05:53:56 -27.3 Dark Up 39.0 184.2 Up 05:38:56 - 06:08:56 1505
Tonopah 05:53:49 -28.3 Dark Up 39.4 186.0 Up 05:38:49 - 06:08:49 1470
Lee Vining 05:53:58 -27.6 Dark Up 39.6 183.6 Up 05:38:58 - 06:08:58 1466
Bishop 05:53:54 -28.4 Dark Up 40.2 184.6 Up 05:38:54 - 06:08:54 1422
Beatty 05:53:47 -29.5 Dark Up 40.5 186.7 Up 05:38:47 - 06:08:47 1386
Indian Springs 05:53:41 -30.2 Dark Up 40.7 188.1 Up 05:38:41 - 06:08:41 1360
Henderson 05:53:38 -31.0 Dark Up 41.2 189.0 Up 05:38:38 - 06:08:38 1318
Patrick 05:53:32 -32.0 Dark Up 41.6 190.5 Up 05:38:32 - 06:08:32 1269
Kingman/Dolan Springs 05:53:33 -32.1 Dark Up 41.9 190.3 Up 05:38:33 - 06:08:33 1253
Laughlin/Bullhead City 05:53:36 -31.9 Dark Up 42.0 189.7 Up 05:38:36 - 06:08:36 1252
Mohave Valley 05:53:36 -32.1 Dark Up 42.2 189.7 Up 05:38:36 - 06:08:36 1231
Lake Havasu City 05:53:34 -32.6 Dark Up 42.6 190.1 Up 05:38:34 - 06:08:34 1201
Wildwood 05:53:54 -31.0 Dark Up 43.4 184.6 Up 05:38:54 - 06:08:54 1179
Parker 05:53:34 -32.9 Dark Up 42.9 190.2 Up 05:38:34 - 06:08:34 1173
Idyllwild 05:53:45 -32.1 Dark Up 43.6 187.1 Up 05:38:45 - 06:08:45 1149
George/Scottsdale 05:53:22 -34.2 Dark Up 43.0 193.4 Up 05:38:22 - 06:08:22 1133
Calipatria 05:53:40 -33.2 Dark Up 44.1 188.7 Up 05:38:40 - 06:08:40 1098
Yuma 05:53:35 -34.0 Dark Up 44.4 190.0 Up 05:38:35 - 06:08:35 1062

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 10JJ124, (2022/08/06 05:54UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 34.79  17
Nunki          18:55:15.9 -26:17:49  2.0 14.15  49
PPM 235105     18:50:31.2 -13:34:20  6.5  1.81  49
PPM 234983     18:45:33.9 -12:35:15  7.6  0.27  49
PPM 234953     18:44:01.5 -12:21:38  9.3  0.24  48
10JJ124        18:45:00.2 -12:21:10 15.8        48
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:06:26 UT

Marc W. Buie, Southwest Research Institute

RECON