RECON: TNO occultation with 04TE282

Event between 04TE282 and star GA1280:02697411 with event index number of 1189580

Geocentric closest approach at 2023/01/16 03:15:50 UTC

J2000 position of star is 05:50:30.4 +38:20:25
Equinox of date position of star is 05:52:02.1 +38:20:42
Stellar brightness G=13.4, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 129 degrees from the moon. Moon is 39% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 29.7 AU from the Sun and 28.9 AU from the Earth.
The TNO is moving 21.5 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 571 seconds.
The 1-sigma cross-track error in the shadow position is 4829 km.
The sky-plane scale is 20960.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=132.4 km assuming a 5% albedo -- 6.2 sec chord
Diameter=54.1 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04TE282, (2023/01/16 03:16UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:43.5 +27:58:07  1.1 26.00 105
34Bet Aur      06:01:13.2 +44:56:50  1.9  6.82 125
32Nu Aur       05:53:05.3 +39:09:10  4.0  0.83 128
PPM 070943     05:53:49.3 +38:33:49  7.2  0.40 128
PPM 070921     05:52:58.6 +38:14:48 10.0  0.20 128
04TE282        05:52:05.6 +38:20:43 13.4       128
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 1.6 sigma about the mid-time.
The median site spacing is 28.3 km RECON observability=1.0 and success probability=7.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:17:51 -26.6 Dark Down 57.4 95.2 Up 03:02:51 - 03:32:51 7291
Victoria 03:18:05 -24.5 Dark Down 55.5 89.6 Up 03:03:05 - 03:33:05 7216
Peachland 03:17:51 -26.9 Dark Down 57.8 94.3 Up 03:02:51 - 03:32:51 7189
Kelowna 03:17:51 -27.1 Dark Down 58.0 94.7 Up 03:02:51 - 03:32:51 7188
Summerland 03:17:53 -27.0 Dark Down 57.9 94.1 Up 03:02:53 - 03:32:53 7172
Penticton 03:17:53 -27.1 Dark Down 58.0 94.1 Up 03:02:53 - 03:32:53 7162
Oliver 03:17:54 -27.1 Dark Down 58.0 93.6 Up 03:02:54 - 03:32:54 7131
Anarchist Mountain Observatory 03:17:53 -27.2 Dark Down 58.1 93.4 Up 03:02:53 - 03:32:53 7109
Tonasket 03:17:55 -27.1 Dark Down 58.1 92.9 Up 03:02:55 - 03:32:55 7084
Okanogan 03:17:57 -27.0 Dark Down 58.0 92.2 Up 03:02:57 - 03:32:57 7059
Brewster 03:17:58 -26.9 Dark Down 57.9 91.6 Up 03:02:58 - 03:32:58 7042
Manson/Chelan 03:17:59 -26.7 Dark Down 57.7 91.0 Up 03:02:59 - 03:32:59 7037
Wenatchee 03:18:00 -26.5 Dark Down 57.6 90.2 Up 03:03:00 - 03:33:00 7001
Ellensburg 03:18:03 -26.4 Dark Down 57.4 89.4 Up 03:03:03 - 03:33:03 6973
Sleaford 03:17:11 -35.3 Dark Down 65.7 112.9 Up 03:02:11 - 03:32:11 6970
Yakima 03:18:04 -26.3 Dark Down 57.4 88.7 Up 03:03:04 - 03:33:04 6937
Toppenish/White Swan 03:18:04 -26.4 Dark Down 57.5 88.5 Up 03:03:04 - 03:33:04 6911
Goldendale 03:18:06 -26.1 Dark Down 57.2 87.4 Up 03:03:06 - 03:33:06 6877
The Dalles 03:18:09 -25.8 Dark Down 56.9 86.8 Up 03:03:09 - 03:33:09 6871
Maupin 03:18:10 -25.9 Dark Down 57.0 86.2 Up 03:03:10 - 03:33:10 6829
PNWRO 03:18:02 -27.4 Dark Down 58.5 88.9 Up 03:03:02 - 03:33:02 6820
Sisters 03:18:14 -25.5 Dark Down 56.6 84.6 Up 03:03:14 - 03:33:14 6770
Bend 03:18:14 -25.6 Dark Down 56.8 84.4 Up 03:03:14 - 03:33:14 6738
Oregon Observatory 03:18:14 -25.5 Dark Down 56.6 84.0 Up 03:03:14 - 03:33:14 6727
North Lake 03:18:15 -25.9 Dark Down 57.0 83.4 Up 03:03:15 - 03:33:15 6647
Chiloquin 03:18:19 -25.1 Dark Down 56.2 81.8 Up 03:03:19 - 03:33:19 6624
Klamath Falls 03:18:20 -25.1 Dark Down 56.2 81.4 Up 03:03:20 - 03:33:20 6590
Lakeview 03:18:17 -26.2 Dark Down 57.2 82.0 Up 03:03:17 - 03:33:17 6527
Fall River/Burney 03:18:22 -25.3 Dark Down 56.3 79.8 Up 03:03:22 - 03:33:22 6465
Cedarville 03:18:18 -26.2 Dark Down 57.3 81.1 Up 03:03:18 - 03:33:18 6458
Susanville 03:18:22 -25.8 Dark Down 56.7 79.2 Up 03:03:22 - 03:33:22 6375
Greenville 03:18:24 -25.5 Dark Down 56.5 78.7 Up 03:03:24 - 03:33:24 6362
Gimple 03:18:24 -25.6 Dark Down 56.5 78.7 Up 03:03:24 - 03:33:24 6358
Quincy 03:18:24 -25.5 Dark Down 56.4 78.4 Up 03:03:24 - 03:33:24 6343
Portola 03:18:23 -25.9 Dark Down 56.8 78.4 Up 03:03:23 - 03:33:23 6311
Reno 03:18:23 -26.3 Dark Down 57.2 78.2 Up 03:03:23 - 03:33:23 6258
Carson City 03:18:24 -26.3 Dark Down 57.1 77.7 Up 03:03:24 - 03:33:24 6224
Gardnerville 03:18:24 -26.3 Dark Down 57.1 77.4 Up 03:03:24 - 03:33:24 6199
Yerington 03:18:22 -26.8 Dark Down 57.6 77.6 Up 03:03:22 - 03:33:22 6178
Hawthorne 03:18:22 -27.1 Dark Down 57.9 77.1 Up 03:03:22 - 03:33:22 6112
Lee Vining 03:18:25 -26.7 Dark Down 57.4 76.1 Up 03:03:25 - 03:33:25 6079
Tonopah 03:18:19 -28.2 Dark Down 58.9 76.8 Up 03:03:19 - 03:33:19 6007
Bishop 03:18:24 -27.2 Dark Down 57.8 75.4 Up 03:03:24 - 03:33:24 5991
Beatty 03:18:20 -28.4 Dark Down 58.9 75.1 Up 03:03:20 - 03:33:20 5877
Indian Springs 03:18:18 -29.3 Dark Down 59.7 74.8 Up 03:03:18 - 03:33:18 5800
Dunrhomin 03:17:36 -37.4 Dark Down 68.3 85.9 Up 03:02:36 - 03:32:36 5774
CU-SBO 03:17:37 -37.4 Dark Down 68.2 85.3 Up 03:02:37 - 03:32:37 5752
Henderson 03:18:17 -29.8 Dark Down 60.1 74.1 Up 03:03:17 - 03:33:17 5719
Wildwood 03:18:33 -26.6 Dark Down 56.7 70.5 Up 03:03:33 - 03:33:33 5686
Laughlin/Bullhead City 03:18:18 -30.0 Dark Down 60.1 72.7 Up 03:03:18 - 03:33:18 5616
Patrick 03:18:15 -30.6 Dark Down 60.8 73.3 Up 03:03:15 - 03:33:15 5611
Kingman/Dolan Springs 03:18:17 -30.4 Dark Down 60.5 72.8 Up 03:03:17 - 03:33:17 5597
Mohave Valley 03:18:18 -30.0 Dark Down 60.1 72.3 Up 03:03:18 - 03:33:18 5589
Idyllwild 03:18:28 -28.1 Dark Down 58.0 70.2 Up 03:03:28 - 03:33:28 5568
Lake Havasu City 03:18:19 -30.1 Dark Down 60.1 71.6 Up 03:03:19 - 03:33:19 5540
Parker 03:18:19 -30.1 Dark Down 60.0 71.1 Up 03:03:19 - 03:33:19 5504
Calipatria 03:18:25 -29.0 Dark Down 58.8 69.4 Up 03:03:25 - 03:33:25 5457
Yuma 03:18:23 -29.7 Dark Down 59.3 68.7 Up 03:03:23 - 03:33:23 5375
George/Scottsdale 03:18:12 -32.1 Dark Down 61.8 70.5 Up 03:03:12 - 03:33:12 5361

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 04TE282, (2023/01/16 03:16UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 26.00 105
34Bet Aur      05:59:31.6 +44:56:51  1.9  6.82 125
32Nu Aur       05:51:29.4 +39:08:55  4.0  0.83 128
PPM 070943     05:52:13.9 +38:33:35  7.2  0.40 128
PPM 070921     05:51:23.5 +38:14:33 10.0  0.20 128
04TE282        05:50:30.4 +38:20:25 13.4       129
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:20:05 UT

Marc W. Buie, Southwest Research Institute

RECON