RECON: TNO occultation with 552678

Event between (552678) 10JG210 and star GA0880:05622253 with event index number of 2222119

Geocentric closest approach at 2022/03/31 07:56:39 UTC

J2000 position of star is 17:29:14.6 -00:44:41
Equinox of date position of star is 17:30:22.0 -00:45:38
Stellar brightness G=13.1, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 99 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=21.6

[RECON map]
TNO is 19.0 AU from the Sun and 18.7 AU from the Earth.
The TNO is moving 8.7 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 85 seconds.
The 1-sigma cross-track error in the shadow position is 918 km.
The sky-plane scale is 13571.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=113.2 km assuming a 5% albedo -- 13.1 sec chord
Diameter=46.2 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 552678, (2022/03/31 07:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:46.5 -26:28:46  0.9 29.44 109
60Bet Oph      17:44:34.3 +04:33:35  2.8  6.39  95
PPM 180083     17:31:32.6 -01:04:46  6.2  0.43  98
552678         17:30:23.4 -00:45:39 13.1        98
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 0.0 km RECON observability=0.0 and success probability=0.0%
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 08:06:50 -35.5 Dark Down 11.3 105.1 Really Low 07:59:17 - 08:14:23 -601
Kelowna 08:06:46 -35.9 Dark Down 11.3 104.9 Really Low 07:59:13 - 08:14:19 -639
Peachland 08:06:44 -36.1 Dark Down 11.1 104.6 Really Low 07:59:11 - 08:14:17 -656
Summerland 08:06:45 -36.2 Dark Down 11.2 104.7 Really Low 07:59:12 - 08:14:18 -667
Penticton 08:06:44 -36.3 Dark Down 11.3 104.8 Really Low 07:59:11 - 08:14:17 -670
Oliver 08:06:43 -36.6 Dark Down 11.4 104.7 Really Low 07:59:10 - 08:14:16 -701
Anarchist Mountain Observatory 08:06:40 -36.8 Dark Down 11.6 104.8 Really Low 07:59:07 - 08:14:13 -712
Tonasket 08:06:39 -37.1 Dark Down 11.6 104.7 Really Low 07:59:06 - 08:14:12 -741
Okanogan 08:06:36 -37.4 Dark Down 11.6 104.5 Really Low 07:59:03 - 08:14:09 -774
Brewster 08:06:33 -37.7 Dark Down 11.5 104.3 Really Low 07:59:00 - 08:14:06 -802
Manson/Chelan 08:06:33 -37.9 Dark Down 11.3 103.9 Really Low 07:59:00 - 08:14:06 -829
Victoria 08:06:37 -37.2 Dark Down 9.1 101.5 Really Low 07:59:04 - 08:14:10 -839
Wenatchee 08:06:29 -38.4 Dark Down 11.3 103.7 Really Low 07:58:56 - 08:14:02 -874
Ellensburg 08:06:26 -38.8 Dark Down 11.2 103.4 Really Low 07:58:53 - 08:13:59 -914
Dunrhomin 08:05:27 -43.4 Dark Down 23.7 113.0 Low 07:57:54 - 08:13:00 -932
Pasco 08:06:20 -39.5 Dark Down 12.3 104.4 Really Low 07:58:47 - 08:13:53 -945
Yakima 08:06:22 -39.2 Dark Down 11.3 103.3 Really Low 07:58:49 - 08:13:55 -950
PNWRO 08:06:19 -39.8 Dark Down 12.6 104.5 Really Low 07:58:46 - 08:13:52 -961
Toppenish/White Swan 08:06:22 -39.4 Dark Down 11.5 103.4 Really Low 07:58:49 - 08:13:55 -965
Goldendale 08:06:18 -40.0 Dark Down 11.3 103.0 Really Low 07:58:45 - 08:13:51 -1022
The Dalles 08:06:15 -40.2 Dark Down 11.1 102.7 Really Low 07:58:42 - 08:13:48 -1049
Maupin 08:06:11 -40.6 Dark Down 11.2 102.6 Really Low 07:58:38 - 08:13:44 -1082
Redmond 08:06:05 -41.5 Dark Down 11.4 102.4 Really Low 07:58:32 - 08:13:38 -1161
Sisters 08:06:05 -41.5 Dark Down 11.1 102.1 Really Low 07:58:32 - 08:13:38 -1168
Bend 08:06:02 -41.7 Dark Down 11.3 102.2 Really Low 07:58:29 - 08:13:35 -1182
Oregon Observatory 08:06:02 -41.9 Dark Down 11.2 102.1 Really Low 07:58:29 - 08:13:35 -1199
La Pine/Gilchrist 08:06:01 -42.1 Dark Down 11.2 102.0 Really Low 07:58:28 - 08:13:34 -1218
North Lake 08:05:57 -42.6 Dark Down 11.7 102.3 Really Low 07:58:24 - 08:13:30 -1240
Paisley 08:05:53 -43.1 Dark Down 12.1 102.5 Really Low 07:58:20 - 08:13:26 -1277
Lakeview 08:05:48 -43.6 Dark Down 12.3 102.5 Really Low 07:58:15 - 08:13:21 -1313
Chiloquin 08:05:52 -43.2 Dark Down 11.2 101.5 Really Low 07:58:19 - 08:13:25 -1317
Klamath Falls 08:05:49 -43.6 Dark Down 11.3 101.5 Really Low 07:58:16 - 08:13:22 -1343
Cedarville 08:05:43 -44.3 Dark Down 12.6 102.5 Really Low 07:58:10 - 08:13:16 -1362
Fall River/Burney 08:05:38 -44.8 Dark Down 11.8 101.5 Really Low 07:58:05 - 08:13:11 -1430
Susanville 08:05:32 -45.4 Dark Down 12.4 101.9 Really Low 07:57:59 - 08:13:05 -1462
Gimple 08:05:31 -45.7 Dark Down 12.3 101.6 Really Low 07:57:58 - 08:13:04 -1489
Greenville 08:05:31 -45.7 Dark Down 12.3 101.6 Really Low 07:57:58 - 08:13:04 -1491
Portola 08:05:29 -46.0 Dark Down 12.7 101.8 Really Low 07:57:56 - 08:13:02 -1505
Quincy 08:05:29 -45.9 Dark Down 12.3 101.5 Really Low 07:57:56 - 08:13:02 -1507
Reno 08:05:25 -46.3 Dark Down 13.2 102.2 Really Low 07:57:52 - 08:12:58 -1509
Yerington 08:05:21 -46.8 Dark Down 13.8 102.5 Really Low 07:57:48 - 08:12:54 -1534
Carson City 08:05:22 -46.6 Dark Down 13.3 102.1 Really Low 07:57:49 - 08:12:55 -1536
Tonopah 08:05:12 -47.7 Dark Down 15.5 103.5 Really Low 07:57:39 - 08:12:45 -1550
Gardnerville 08:05:22 -46.9 Dark Down 13.4 102.1 Really Low 07:57:49 - 08:12:55 -1554
Hawthorne 08:05:15 -47.3 Dark Down 14.3 102.7 Really Low 07:57:42 - 08:12:48 -1555
Indian Springs 08:04:58 -49.0 Dark Down 17.0 104.1 Really Low 07:57:25 - 08:12:31 -1610
Lee Vining 08:05:12 -47.8 Dark Down 14.1 102.3 Really Low 07:57:39 - 08:12:45 -1612
Beatty 08:05:02 -48.8 Dark Down 16.1 103.5 Really Low 07:57:29 - 08:12:35 -1621
Henderson 08:04:53 -49.5 Dark Down 17.7 104.4 Really Low 07:57:20 - 08:12:26 -1625
Patrick 08:04:47 -50.0 Dark Down 18.7 104.9 Really Low 07:57:14 - 08:12:20 -1630
Bishop 08:05:04 -48.4 Dark Down 14.7 102.6 Really Low 07:57:31 - 08:12:37 -1636
Kingman/Dolan Springs 08:04:45 -50.2 Dark Down 18.6 104.7 Really Low 07:57:12 - 08:12:18 -1653
George/Scottsdale 08:04:29 -51.3 Dark Down 20.7 105.6 Low 07:56:56 - 08:12:02 -1671
Laughlin/Bullhead City 08:04:45 -50.3 Dark Down 18.2 104.4 Really Low 07:57:12 - 08:12:18 -1672
Mohave Valley 08:04:42 -50.6 Dark Down 18.2 104.3 Really Low 07:57:09 - 08:12:15 -1691
Lake Havasu City 08:04:38 -50.9 Dark Down 18.5 104.3 Really Low 07:57:05 - 08:12:11 -1710
Parker 08:04:35 -51.3 Dark Down 18.6 104.2 Really Low 07:57:02 - 08:12:08 -1733
Blythe 08:04:31 -51.8 Dark Down 18.5 103.8 Really Low 07:56:58 - 08:12:04 -1780
Yuma 08:04:21 -52.8 Dark Down 18.6 103.5 Really Low 07:56:48 - 08:11:54 -1844
Idyllwild 08:04:33 -51.9 Dark Down 16.7 102.5 Really Low 07:57:00 - 08:12:06 -1845
Calipatria 08:04:26 -52.4 Dark Down 17.8 103.1 Really Low 07:56:53 - 08:11:59 -1846
CPSLO 08:04:48 -50.5 Dark Down 13.3 100.6 Really Low 07:57:15 - 08:12:21 -1848
Wildwood 08:04:35 -51.7 Dark Down 15.1 101.5 Really Low 07:57:02 - 08:12:08 -1877

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 552678, (2022/03/31 07:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 29.44 109
60Bet Oph      17:43:28.3 +04:34:06  2.8  6.39  95
PPM 180083     17:30:23.6 -01:03:50  6.2  0.43  98
552678         17:29:14.6 -00:44:41 13.1        98
Positions are for J2000

Event circumstances last updated at 2021/10/12 02:06:04 UT

Marc W. Buie, Southwest Research Institute

RECON