RECON: TNO occultation with 01HZ58

Event between 01HZ58 and star GA0700:06066440 with event index number of 1064390

Geocentric closest approach at 2021/06/06 06:15:15 UTC

J2000 position of star is 15:57:25.6 -19:03:28
Equinox of date position of star is 15:58:39.5 -19:07:05
Stellar brightness G=12.8, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 149 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 43.8 AU from the Sun and 42.8 AU from the Earth.
The TNO is moving 24.1 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 184 seconds.
The 1-sigma cross-track error in the shadow position is 2368 km.
The sky-plane scale is 31046.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 12.4 sec chord
Diameter=122.2 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01HZ58, (2021/06/06 06:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.5 -26:28:40  0.9 10.42 140
8Bet1Sco       16:06:41.2 -19:51:45  2.6  2.03 147
47 Lib         15:56:14.9 -19:26:40  5.9  0.66 149
PPM 230949     15:56:51.7 -18:51:09  8.2  0.50 149
PPM 230981     15:58:02.2 -18:57:22  9.5  0.22 149
01HZ58         15:58:40.0 -19:07:06 12.8       149
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 4.9 sigma about the mid-time.
The median site spacing is 14.1 km RECON observability=0.9 and success probability=9.2%
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 06:16:30 -13.8 AT Down 20.2 170.3 Low 06:01:30 - 06:31:30 -596
Kelowna 06:16:31 -14.1 AT Down 20.5 170.1 Low 06:01:31 - 06:31:31 -615
Peachland 06:16:32 -14.2 AT Down 20.6 169.8 Low 06:01:32 - 06:31:32 -624
Summerland 06:16:31 -14.3 AT Down 20.8 169.9 Low 06:01:31 - 06:31:31 -629
Penticton 06:16:31 -14.4 AT Down 20.8 170.0 Low 06:01:31 - 06:31:31 -630
Oliver 06:16:31 -14.7 AT Down 21.2 170.0 Low 06:01:31 - 06:31:31 -645
Anarchist Mountain Observatory 06:16:31 -14.9 AT Down 21.4 170.1 Low 06:01:31 - 06:31:31 -649
Tonasket 06:16:31 -15.2 AT Down 21.7 170.1 Low 06:01:31 - 06:31:31 -664
Okanogan 06:16:31 -15.5 AT Down 22.0 169.9 Low 06:01:31 - 06:31:31 -682
Brewster 06:16:32 -15.7 AT Down 22.2 169.7 Low 06:01:32 - 06:31:32 -698
Manson/Chelan 06:16:33 -15.8 AT Down 22.4 169.3 Low 06:01:33 - 06:31:33 -714
Wenatchee 06:16:34 -16.1 AT Down 22.8 169.1 Low 06:01:34 - 06:31:34 -739
Victoria 06:16:42 -14.3 AT Down 21.3 166.1 Low 06:01:42 - 06:31:42 -745
Ellensburg 06:16:34 -16.5 AT Down 23.2 168.8 Low 06:01:34 - 06:31:34 -763
Pasco 06:16:30 -17.5 AT Down 24.1 170.2 Low 06:01:30 - 06:31:30 -773
PNWRO 06:16:30 -17.8 AT Down 24.4 170.4 Low 06:01:30 - 06:31:30 -780
Yakima 06:16:35 -16.8 AT Down 23.6 168.8 Low 06:01:35 - 06:31:35 -783
Toppenish/White Swan 06:16:34 -17.1 AT Down 23.9 168.9 Low 06:01:34 - 06:31:34 -790
Goldendale 06:16:36 -17.4 AT Down 24.3 168.4 Low 06:01:36 - 06:31:36 -825
The Dalles 06:16:37 -17.5 AT Down 24.5 168.0 Low 06:01:37 - 06:31:37 -844
Dunrhomin 06:15:44 -26.3 Dark Down 30.6 184.7 Up 06:00:44 - 06:30:44 -856
Maupin 06:16:37 -17.9 AT Down 24.9 168.1 Low 06:01:37 - 06:31:37 -862
Redmond 06:16:37 -18.7 Dark Down 25.8 167.9 Low 06:01:37 - 06:31:37 -910
Sisters 06:16:39 -18.6 Dark Down 25.7 167.5 Low 06:01:39 - 06:31:39 -917
Bend 06:16:37 -18.9 Dark Down 26.0 167.8 Low 06:01:37 - 06:31:37 -924
Oregon Observatory 06:16:38 -19.0 Dark Down 26.1 167.6 Low 06:01:38 - 06:31:38 -936
La Pine/Gilchrist 06:16:39 -19.2 Dark Down 26.3 167.5 Low 06:01:39 - 06:31:39 -948
North Lake 06:16:37 -19.7 Dark Down 26.8 168.1 Low 06:01:37 - 06:31:37 -959
Paisley 06:16:36 -20.4 Dark Down 27.4 168.4 Low 06:01:36 - 06:31:36 -982
Lakeview 06:16:35 -20.9 Dark Down 28.0 168.6 Low 06:01:35 - 06:31:35 -1006
Chiloquin 06:16:40 -20.0 Dark Down 27.4 167.0 Low 06:01:40 - 06:31:40 -1016
Klamath Falls 06:16:40 -20.4 Dark Down 27.7 167.1 Low 06:01:40 - 06:31:40 -1033
Cedarville 06:16:35 -21.5 Dark Down 28.6 168.7 Low 06:01:35 - 06:31:35 -1040
Fall River/Burney 06:16:39 -21.6 Dark Down 28.9 167.3 Low 06:01:39 - 06:31:39 -1092
Susanville 06:16:36 -22.4 Dark Down 29.7 168.1 Low 06:01:36 - 06:31:36 -1113
Gimple 06:16:37 -22.5 Dark Down 29.9 167.8 Low 06:01:37 - 06:31:37 -1134
Greenville 06:16:37 -22.5 Dark Down 29.9 167.7 Low 06:01:37 - 06:31:37 -1136
Portola 06:16:36 -23.0 Dark Down 30.3 168.2 Up 06:01:36 - 06:31:36 -1145
Reno 06:16:34 -23.4 Dark Down 30.6 168.8 Up 06:01:34 - 06:31:34 -1148
Quincy 06:16:37 -22.7 Dark Down 30.1 167.7 Up 06:01:37 - 06:31:37 -1148
Yerington 06:16:32 -24.1 Dark Down 31.3 169.5 Up 06:01:32 - 06:31:32 -1167
Carson City 06:16:34 -23.8 Dark Down 31.0 168.8 Up 06:01:34 - 06:31:34 -1168
Gardnerville 06:16:33 -24.0 Dark Down 31.2 168.8 Up 06:01:33 - 06:31:33 -1182
Tonopah 06:16:25 -25.6 Dark Down 32.4 171.5 Up 06:01:25 - 06:31:25 -1184
Hawthorne 06:16:30 -24.7 Dark Down 31.8 170.0 Up 06:01:30 - 06:31:30 -1185
Lee Vining 06:16:31 -25.1 Dark Down 32.3 169.4 Up 06:01:31 - 06:31:31 -1229
Indian Springs 06:16:19 -27.4 Dark Down 34.1 173.1 Up 06:01:19 - 06:31:19 -1247
Beatty 06:16:23 -26.8 Dark Down 33.6 171.9 Up 06:01:23 - 06:31:23 -1248
Bishop 06:16:29 -25.9 Dark Down 33.0 170.1 Up 06:01:29 - 06:31:29 -1251
Henderson 06:16:16 -28.1 Dark Down 34.7 173.8 Up 06:01:16 - 06:31:16 -1268
Patrick 06:16:12 -29.0 Dark Down 35.4 175.0 Up 06:01:12 - 06:31:12 -1286
Kingman/Dolan Springs 06:16:13 -29.2 Dark Down 35.6 174.8 Up 06:01:13 - 06:31:13 -1304
Laughlin/Bullhead City 06:16:15 -29.1 Dark Down 35.6 174.2 Up 06:01:15 - 06:31:15 -1316
Mohave Valley 06:16:15 -29.3 Dark Down 35.8 174.2 Up 06:01:15 - 06:31:15 -1334
Lake Havasu City 06:16:14 -29.8 Dark Down 36.3 174.5 Up 06:01:14 - 06:31:14 -1355
George/Scottsdale 06:16:04 -31.2 Dark Down 37.2 177.3 Up 06:01:04 - 06:31:04 -1360
Parker 06:16:13 -30.1 Dark Down 36.6 174.5 Up 06:01:13 - 06:31:13 -1378
Blythe 06:16:14 -30.5 Dark Down 37.1 174.1 Up 06:01:14 - 06:31:14 -1419
CPSLO 06:16:37 -26.9 Dark Down 34.6 167.4 Up 06:01:37 - 06:31:37 -1433
Idyllwild 06:16:22 -29.7 Dark Down 36.8 171.6 Up 06:01:22 - 06:31:22 -1452
Wildwood 06:16:29 -28.8 Dark Down 36.2 169.5 Up 06:01:29 - 06:31:29 -1469
Calipatria 06:16:18 -30.7 Dark Down 37.5 172.9 Up 06:01:18 - 06:31:18 -1471
Yuma 06:16:14 -31.4 Dark Down 38.0 174.0 Up 06:01:14 - 06:31:14 -1482

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 01HZ58, (2021/06/06 06:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.42 140
8Bet1Sco       16:05:26.2 -19:48:20  2.6  2.03 147
47 Lib         15:55:00.4 -19:22:59  5.9  0.66 149
PPM 230949     15:55:37.4 -18:47:28  8.2  0.50 149
PPM 230981     15:56:47.8 -18:53:43  9.5  0.22 149
01HZ58         15:57:25.6 -19:03:28 12.8       149
Positions are for J2000

Event circumstances last updated at 2021/04/17 22:51:51 UT

Marc W. Buie, Southwest Research Institute

RECON