RECON: TNO occultation with 10AV153

Event between 10AV153 and star GA0960:03552534 with event index number of 1580305

Geocentric closest approach at 2021/03/17 05:44:51 UTC

J2000 position of star is 09:34:32.6 +07:14:30
Equinox of date position of star is 09:35:34.5 +07:09:14
Stellar brightness G=11.8, use SENSEUP=8
Star is 104 degrees from the moon. Moon is 13% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 29.8 AU from the Sun and 28.9 AU from the Earth.
The TNO is moving 19.4 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is 1561 km.
The sky-plane scale is 20993.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 10.9 sec chord
Diameter=86.5 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10AV153, (2021/03/17 05:45UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:30.0 +11:51:46  1.3  9.58 111
10 Leo         09:38:19.7 +06:44:23  6.1  0.78 105
PPM 156012     09:37:40.9 +07:01:35  8.2  0.51 104
PPM 155976     09:35:50.8 +07:02:47  9.3  0.11 104
10AV153        09:35:39.9 +07:08:47 11.8       104
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 5.0 sigma about the mid-time.
The median site spacing is 15.1 km RECON observability=1.0 and success probability=15.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:46:23 -33.0 Dark Up 47.3 178.0 Up 05:36:42 - 05:56:04 2679
Summerland 05:46:24 -33.1 Dark Up 47.6 177.5 Up 05:36:43 - 05:56:05 2648
Penticton 05:46:23 -33.2 Dark Up 47.7 177.7 Up 05:36:42 - 05:56:04 2646
Okanagan Falls 05:46:23 -33.3 Dark Up 47.9 177.6 Up 05:36:42 - 05:56:04 2631
Oliver 05:46:23 -33.5 Dark Down 48.0 177.7 Up 05:36:42 - 05:56:04 2619
Anarchist Mountain Observatory 05:46:22 -33.7 Dark Down 48.2 177.9 Up 05:36:41 - 05:56:03 2611
Oroville 05:46:22 -33.7 Dark Down 48.3 177.8 Up 05:36:41 - 05:56:03 2603
Tonasket 05:46:22 -33.9 Dark Down 48.5 177.8 Up 05:36:41 - 05:56:03 2585
Okanogan 05:46:21 -34.0 Dark Down 48.9 177.6 Up 05:36:40 - 05:56:02 2555
Brewster 05:46:22 -34.1 Dark Down 49.1 177.3 Up 05:36:41 - 05:56:03 2528
Manson/Chelan 05:46:23 -34.1 Dark Down 49.3 176.7 Up 05:36:42 - 05:56:04 2501
Wenatchee 05:46:22 -34.4 Dark Down 49.8 176.4 Up 05:36:41 - 05:56:03 2458
Ellensburg 05:46:23 -34.6 Dark Down 50.2 176.0 Up 05:36:42 - 05:56:04 2419
Pasco 05:46:17 -35.8 Dark Down 51.0 178.2 Up 05:36:36 - 05:55:58 2401
PNWRO 05:46:16 -36.1 Dark Down 51.2 178.5 Up 05:36:35 - 05:55:57 2388
Yakima 05:46:22 -34.8 Dark Down 50.6 176.0 Up 05:36:41 - 05:56:03 2386
Toppenish/White Swan 05:46:21 -35.1 Dark Down 50.8 176.2 Up 05:36:40 - 05:56:02 2373
George/Umatilla 05:46:17 -35.9 Dark Down 51.3 177.8 Up 05:36:36 - 05:55:58 2367
SwRI 05:45:11 -46.8 Dark Down 55.4 202.1 Up 05:35:30 - 05:54:52 2343
Goldendale 05:46:23 -35.2 Dark Down 51.3 175.5 Up 05:36:42 - 05:56:04 2316
The Dalles 05:46:24 -35.2 Dark Down 51.5 174.9 Up 05:36:43 - 05:56:05 2286
Maupin 05:46:22 -35.6 Dark Down 52.0 175.0 Up 05:36:41 - 05:56:03 2255
Madras/Culver 05:46:22 -35.9 Dark Down 52.5 174.9 Up 05:36:41 - 05:56:03 2209
Redmond 05:46:21 -36.1 Dark Down 52.9 174.8 Up 05:36:40 - 05:56:02 2177
Sisters 05:46:23 -35.9 Dark Down 52.8 174.1 Up 05:36:42 - 05:56:04 2167
Bend 05:46:22 -36.2 Dark Down 53.1 174.5 Up 05:36:41 - 05:56:03 2155
Oregon Observatory 05:46:21 -36.2 Dark Down 53.2 174.3 Up 05:36:40 - 05:56:02 2136
La Pine/Gilchrist 05:46:22 -36.3 Dark Down 53.4 174.1 Up 05:36:41 - 05:56:03 2117
North Lake 05:46:19 -36.9 Dark Down 53.9 175.1 Up 05:36:38 - 05:56:00 2099
Paisley 05:46:16 -37.5 Dark Down 54.5 175.6 Up 05:36:35 - 05:55:57 2064
Lakeview 05:46:15 -37.9 Dark Down 55.0 175.9 Up 05:36:34 - 05:55:56 2026
Chiloquin 05:46:21 -36.9 Dark Down 54.5 173.4 Up 05:36:40 - 05:56:02 2012
Klamath Falls 05:46:21 -37.1 Dark Down 54.9 173.4 Up 05:36:40 - 05:56:02 1985
Cedarville 05:46:13 -38.5 Dark Down 55.7 176.1 Up 05:36:32 - 05:55:54 1976
Tulelake 05:46:18 -37.5 Dark Down 55.1 173.9 Up 05:36:37 - 05:55:59 1971
Fall River/Burney 05:46:17 -38.1 Dark Down 56.1 173.9 Up 05:36:36 - 05:55:58 1895
Susanville 05:46:13 -38.9 Dark Down 56.7 175.1 Up 05:36:32 - 05:55:54 1864
Gimple 05:46:14 -39.0 Dark Down 57.0 174.7 Up 05:36:33 - 05:55:55 1833
Greenville 05:46:14 -38.9 Dark Down 57.0 174.5 Up 05:36:33 - 05:55:55 1831
Portola 05:46:12 -39.4 Dark Down 57.4 175.3 Up 05:36:31 - 05:55:53 1817
Reno 05:46:08 -40.0 Dark Down 57.7 176.5 Up 05:36:27 - 05:55:49 1815
Quincy 05:46:14 -39.1 Dark Down 57.2 174.5 Up 05:36:33 - 05:55:55 1813
Yerington 05:46:05 -40.7 Dark Down 58.2 177.6 Up 05:36:24 - 05:55:46 1788
Carson City 05:46:08 -40.2 Dark Down 58.0 176.5 Up 05:36:27 - 05:55:49 1784
Tonopah 05:46:00 -42.5 Dark Down 59.2 181.3 Up 05:36:19 - 05:55:41 1775
Hawthorne 05:46:02 -41.3 Dark Down 58.7 178.6 Up 05:36:21 - 05:55:43 1765
Gardnerville 05:46:07 -40.4 Dark Down 58.3 176.6 Up 05:36:26 - 05:55:48 1764
Lee Vining 05:46:02 -41.4 Dark Down 59.3 177.6 Up 05:36:21 - 05:55:43 1699
Indian Springs 05:45:46 -44.3 Dark Down 60.6 184.4 Up 05:36:05 - 05:55:27 1694
Beatty 05:45:51 -43.5 Dark Down 60.3 182.2 Up 05:36:10 - 05:55:32 1685
Henderson 05:45:42 -45.1 Dark Down 61.1 185.8 Up 05:36:01 - 05:55:23 1671
Bishop 05:46:00 -42.2 Dark Down 59.9 179.0 Up 05:36:19 - 05:55:41 1671
Patrick 05:45:36 -46.2 Dark Down 61.6 188.2 Up 05:35:55 - 05:55:17 1655
Kingman/Dolan Springs 05:45:36 -46.2 Dark Down 61.8 187.9 Up 05:35:55 - 05:55:17 1628
Searchlight/Boulder City 05:45:40 -45.5 Dark Down 61.7 186.0 Up 05:35:59 - 05:55:21 1622
Lone Pine 05:46:00 -42.9 Dark Down 60.6 179.7 Up 05:36:19 - 05:55:41 1616
Laughlin/Bullhead City 05:45:38 -45.9 Dark Down 61.9 186.8 Up 05:35:57 - 05:55:19 1608
Mohave Valley 05:45:37 -46.1 Dark Down 62.2 186.9 Up 05:35:56 - 05:55:18 1584
Lake Havasu City 05:45:36 -46.5 Dark Down 62.6 187.5 Up 05:35:55 - 05:55:17 1557
Parker 05:45:35 -46.8 Dark Down 62.9 187.6 Up 05:35:54 - 05:55:16 1526
Blythe 05:45:35 -47.0 Dark Down 63.5 187.1 Up 05:35:54 - 05:55:16 1468
CPSLO 05:46:04 -42.1 Dark Down 61.8 174.2 Up 05:36:23 - 05:55:45 1407
Idyllwild 05:45:45 -45.6 Dark Down 63.5 182.5 Up 05:36:04 - 05:55:26 1402
Calipatria 05:45:38 -46.7 Dark Down 64.0 185.2 Up 05:35:57 - 05:55:19 1389
Yuma 05:45:33 -47.6 Dark Down 64.4 187.3 Up 05:35:52 - 05:55:14 1383
Wildwood 05:45:53 -44.2 Dark Down 63.1 178.4 Up 05:36:12 - 05:55:34 1368

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 10AV153, (2021/03/17 05:45UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  9.58 111
10 Leo         09:37:12.6 +06:50:09  6.1  0.78 105
PPM 156012     09:36:33.6 +07:07:20  8.2  0.51 104
PPM 155976     09:34:43.5 +07:08:30  9.3  0.11 104
10AV153        09:34:32.6 +07:14:30 11.8       104
Positions are for J2000

Event circumstances last updated at 2019/07/02 22:04:06 UT

Marc W. Buie, Southwest Research Institute

RECON