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 05:46:00 UTC

J2000 position of star is 09:34:32.6 +07:14:30
Equinox of date position of star is 09:35:36.6 +07:09:04
Stellar brightness G=11.8, use SENSEUP=8
Star is 104 degrees from the moon. Moon is 13% illuminated.
TNO apparent brightness V=24.8

[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 84 seconds.
The 1-sigma cross-track error in the shadow position is 1311 km.
The sky-plane scale is 20993.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=211.8 km assuming a 5% albedo -- 3.1 sec chord
Diameter=86.5 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10AV153, (2021/03/17 05:46UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:30.0 +11:51:46  1.3  9.58 110
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 15.8 km RECON observability=1.0 and success probability=17.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 05:47:29 -32.9 Dark Down 47.0 178.5 Up 05:39:57 - 05:55:01 2494
Kelowna 05:47:29 -33.1 Dark Down 47.4 178.2 Up 05:39:57 - 05:55:01 2460
Peachland 05:47:29 -33.1 Dark Up 47.5 177.8 Up 05:39:57 - 05:55:01 2443
Summerland 05:47:29 -33.2 Dark Down 47.6 177.9 Up 05:39:57 - 05:55:01 2434
Penticton 05:47:29 -33.3 Dark Down 47.7 178.1 Up 05:39:57 - 05:55:01 2432
Oliver 05:47:29 -33.6 Dark Down 48.0 178.1 Up 05:39:57 - 05:55:01 2405
Anarchist Mountain Observatory 05:47:27 -33.8 Dark Down 48.2 178.4 Up 05:39:55 - 05:54:59 2398
Tonasket 05:47:26 -34.0 Dark Down 48.5 178.2 Up 05:39:54 - 05:54:58 2372
Okanogan 05:47:27 -34.2 Dark Down 48.9 178.0 Up 05:39:55 - 05:54:59 2341
Brewster 05:47:26 -34.3 Dark Down 49.1 177.7 Up 05:39:54 - 05:54:58 2314
Manson/Chelan 05:47:28 -34.3 Dark Down 49.3 177.1 Up 05:39:56 - 05:55:00 2287
Entiat 05:47:28 -34.4 Dark Down 49.5 177.0 Up 05:39:56 - 05:55:00 2268
Victoria 05:47:41 -32.3 Dark Up 48.5 172.3 Up 05:40:09 - 05:55:13 2246
Wenatchee 05:47:28 -34.5 Dark Down 49.8 176.8 Up 05:39:56 - 05:55:00 2245
Ellensburg 05:47:29 -34.7 Dark Down 50.2 176.5 Up 05:39:57 - 05:55:01 2205
Pasco 05:47:21 -35.9 Dark Down 51.0 178.6 Up 05:39:49 - 05:54:53 2187
PNWRO 05:47:21 -36.2 Dark Down 51.2 179.0 Up 05:39:49 - 05:54:53 2174
Yakima 05:47:28 -35.0 Dark Down 50.6 176.4 Up 05:39:56 - 05:55:00 2172
Toppenish/White Swan 05:47:27 -35.2 Dark Down 50.8 176.6 Up 05:39:55 - 05:54:59 2160
Niwot 05:46:16 -46.8 Dark Down 55.2 202.6 Up 05:38:44 - 05:53:48 2144
SwRI 05:46:17 -46.9 Dark Down 55.3 202.5 Up 05:38:45 - 05:53:49 2132
Goldendale 05:47:27 -35.4 Dark Down 51.4 175.9 Up 05:39:55 - 05:54:59 2102
The Dalles 05:47:28 -35.4 Dark Down 51.6 175.3 Up 05:39:56 - 05:55:00 2073
Maupin 05:47:27 -35.7 Dark Down 52.0 175.4 Up 05:39:55 - 05:54:59 2042
Redmond 05:47:26 -36.3 Dark Down 52.9 175.2 Up 05:39:54 - 05:54:58 1964
Sisters 05:47:28 -36.0 Dark Down 52.8 174.6 Up 05:39:56 - 05:55:00 1954
Bend 05:47:27 -36.3 Dark Down 53.1 174.9 Up 05:39:55 - 05:54:59 1942
Oregon Observatory 05:47:26 -36.4 Dark Down 53.3 174.7 Up 05:39:54 - 05:54:58 1924
La Pine/Gilchrist 05:47:27 -36.5 Dark Down 53.5 174.6 Up 05:39:55 - 05:54:59 1905
North Lake 05:47:24 -37.1 Dark Down 53.9 175.5 Up 05:39:52 - 05:54:56 1887
Paisley 05:47:22 -37.7 Dark Down 54.5 176.1 Up 05:39:50 - 05:54:54 1851
Lakeview 05:47:20 -38.1 Dark Down 55.0 176.3 Up 05:39:48 - 05:54:52 1814
Klamath Falls 05:47:25 -37.3 Dark Down 54.9 173.9 Up 05:39:53 - 05:54:57 1773
Cedarville 05:47:18 -38.6 Dark Down 55.7 176.6 Up 05:39:46 - 05:54:50 1763
Fall River/Burney 05:47:22 -38.3 Dark Down 56.1 174.4 Up 05:39:50 - 05:54:54 1683
Susanville 05:47:18 -39.1 Dark Down 56.8 175.6 Up 05:39:46 - 05:54:50 1652
Gimple 05:47:18 -39.2 Dark Down 57.0 175.2 Up 05:39:46 - 05:54:50 1621
Greenville 05:47:19 -39.1 Dark Down 57.0 175.0 Up 05:39:47 - 05:54:51 1618
Portola 05:47:17 -39.6 Dark Down 57.4 175.8 Up 05:39:45 - 05:54:49 1605
Reno 05:47:13 -40.1 Dark Down 57.7 177.0 Up 05:39:41 - 05:54:45 1603
Quincy 05:47:18 -39.2 Dark Down 57.2 175.0 Up 05:39:46 - 05:54:50 1600
Yerington 05:47:09 -40.9 Dark Down 58.2 178.2 Up 05:39:37 - 05:54:41 1576
Carson City 05:47:13 -40.4 Dark Down 58.0 177.0 Up 05:39:41 - 05:54:45 1572
Tonopah 05:47:00 -42.6 Dark Down 59.2 181.8 Up 05:39:28 - 05:54:32 1560
Hawthorne 05:47:07 -41.5 Dark Down 58.7 179.1 Up 05:39:35 - 05:54:39 1553
Gardnerville 05:47:12 -40.6 Dark Down 58.3 177.1 Up 05:39:40 - 05:54:44 1553
Lee Vining 05:47:08 -41.6 Dark Down 59.3 178.2 Up 05:39:36 - 05:54:40 1487
Indian Springs 05:46:50 -44.5 Dark Down 60.6 184.9 Up 05:39:18 - 05:54:22 1482
Beatty 05:46:56 -43.7 Dark Down 60.3 182.7 Up 05:39:24 - 05:54:28 1473
Henderson 05:46:47 -45.3 Dark Down 61.1 186.4 Up 05:39:15 - 05:54:19 1459
Bishop 05:47:04 -42.4 Dark Down 59.9 179.5 Up 05:39:32 - 05:54:36 1458
Patrick 05:46:41 -46.3 Dark Down 61.6 188.8 Up 05:39:09 - 05:54:13 1443
DCO 05:46:37 -46.9 Dark Down 61.8 190.3 Up 05:39:05 - 05:54:09 1442
Kingman/Dolan Springs 05:46:41 -46.4 Dark Down 61.8 188.4 Up 05:39:09 - 05:54:13 1417
Searchlight/Boulder City 05:46:45 -45.7 Dark Down 61.6 186.6 Up 05:39:13 - 05:54:17 1410
Laughlin/Bullhead City 05:46:43 -46.1 Dark Down 61.9 187.4 Up 05:39:11 - 05:54:15 1396
Mohave Valley 05:46:43 -46.3 Dark Down 62.2 187.5 Up 05:39:11 - 05:54:15 1372
George/Scottsdale 05:46:29 -48.7 Dark Down 62.9 193.5 Up 05:38:57 - 05:54:01 1365
Lake Havasu City 05:46:41 -46.7 Dark Down 62.5 188.1 Up 05:39:09 - 05:54:13 1345
Parker 05:46:40 -47.0 Dark Down 62.9 188.2 Up 05:39:08 - 05:54:12 1314
Blythe 05:46:41 -47.1 Dark Down 63.4 187.7 Up 05:39:09 - 05:54:13 1256
CPSLO 05:47:10 -42.3 Dark Down 61.8 174.8 Up 05:39:38 - 05:54:42 1195
Idyllwild 05:46:49 -45.8 Dark Down 63.5 183.1 Up 05:39:17 - 05:54:21 1191
Calipatria 05:46:43 -46.9 Dark Down 64.0 185.8 Up 05:39:11 - 05:54:15 1178
Yuma 05:46:39 -47.7 Dark Down 64.4 187.9 Up 05:39:07 - 05:54:11 1171
Wildwood 05:46:58 -44.4 Dark Down 63.1 179.0 Up 05:39:26 - 05:54:30 1156

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 05:46UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  9.58 110
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 2020/02/25 21:51:09 UT

Marc W. Buie, Southwest Research Institute

RECON