RECON: TNO occultation with 02CS154

Event between 02CS154 and star GA0860:04098830 with event index number of 1180675

Geocentric closest approach at 2023/03/13 04:16:03 UTC

J2000 position of star is 12:35:23.3 -02:31:52
Equinox of date position of star is 12:36:31.7 -02:39:11
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 49 degrees from the moon. Moon is 70% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 41.5 AU from the Sun and 40.5 AU from the Earth.
The TNO is moving 23.8 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 243 seconds.
The 1-sigma cross-track error in the shadow position is 3151 km.
The sky-plane scale is 29374.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=235.5 km assuming a 5% albedo -- 9.8 sec chord
Diameter=96.1 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 02CS154, (2023/03/13 04:13UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:25.1 -11:16:54  1.0 15.07  34
Vindemiatrix   13:03:19.9 +10:50:06  2.8 15.05  51
PPM 195577     12:32:50.4 -05:10:49  6.4  2.69  49
PPM 178830     12:38:18.6 -02:27:02  7.5  0.48  49
PPM 178824     12:36:59.6 -02:28:10  9.9  0.22  49
02CS154        12:36:34.8 -02:39:31 15.9        49
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 3.7 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)
Sleaford 04:19:36 -29.2 Dark Down 16.2 116.6 Really Low 04:04:36 - 04:34:36 10330
Kamloops 04:19:54 -22.2 Dark Down 8.3 104.3 Really Low 04:04:54 - 04:34:54 10002
Kelowna 04:19:54 -23.1 Dark Down 9.0 104.9 Really Low 04:04:54 - 04:34:54 9933
Peachland 04:19:55 -23.0 Dark Down 8.9 104.7 Really Low 04:04:55 - 04:34:55 9919
Summerland 04:19:56 -23.1 Dark Down 9.0 104.7 Really Low 04:04:56 - 04:34:56 9906
Penticton 04:19:56 -23.2 Dark Down 9.1 104.8 Really Low 04:04:56 - 04:34:56 9900
Oliver 04:19:56 -23.3 Dark Down 9.1 104.8 Really Low 04:04:56 - 04:34:56 9866
Anarchist Mountain Observatory 04:19:57 -23.5 Dark Down 9.3 104.9 Really Low 04:04:57 - 04:34:57 9852
Tonasket 04:19:57 -23.6 Dark Down 9.3 104.8 Really Low 04:04:57 - 04:34:57 9821
Okanogan 04:19:57 -23.7 Dark Down 9.3 104.6 Really Low 04:04:57 - 04:34:57 9786
Victoria 04:20:02 -21.3 Dark Down 6.8 101.7 Really Low 04:05:02 - 04:35:02 9760
Brewster 04:19:59 -23.6 Dark Down 9.3 104.4 Really Low 04:04:59 - 04:34:59 9757
Manson/Chelan 04:20:00 -23.5 Dark Down 9.1 104.1 Really Low 04:05:00 - 04:35:00 9732
Wenatchee 04:20:02 -23.6 Dark Down 9.1 103.9 Really Low 04:05:02 - 04:35:02 9683
Ellensburg 04:20:01 -23.6 Dark Down 9.1 103.7 Really Low 04:05:01 - 04:35:01 9639
Yakima 04:20:02 -23.8 Dark Down 9.1 103.6 Really Low 04:05:02 - 04:35:02 9598
Toppenish/White Swan 04:20:02 -23.9 Dark Down 9.3 103.7 Really Low 04:05:02 - 04:35:02 9579
PNWRO 04:20:01 -25.0 Dark Down 10.4 104.8 Really Low 04:05:01 - 04:35:01 9560
Goldendale 04:20:04 -23.9 Dark Down 9.2 103.3 Really Low 04:05:04 - 04:35:04 9518
The Dalles 04:20:04 -23.7 Dark Down 9.0 103.0 Really Low 04:05:04 - 04:35:04 9491
Maupin 04:20:04 -23.9 Dark Down 9.1 103.0 Really Low 04:05:04 - 04:35:04 9450
Sisters 04:20:06 -23.9 Dark Down 9.0 102.5 Really Low 04:05:06 - 04:35:06 9356
Bend 04:20:07 -24.2 Dark Down 9.2 102.7 Really Low 04:05:07 - 04:35:07 9335
Oregon Observatory 04:20:07 -24.2 Dark Down 9.2 102.5 Really Low 04:05:07 - 04:35:07 9315
North Lake 04:20:08 -24.8 Dark Down 9.7 102.8 Really Low 04:05:08 - 04:35:08 9256
Dunrhomin 04:19:52 -36.5 Dark Down 21.7 113.5 Low 04:04:52 - 04:34:52 9209
CU-SBO 04:19:52 -36.6 Dark Down 21.7 113.4 Low 04:04:52 - 04:34:52 9182
Chiloquin 04:20:09 -24.4 Dark Down 9.2 102.0 Really Low 04:05:09 - 04:35:09 9175
Lakeview 04:20:09 -25.5 Dark Down 10.3 103.0 Really Low 04:05:09 - 04:35:09 9154
Klamath Falls 04:20:10 -24.5 Dark Down 9.3 102.1 Really Low 04:05:10 - 04:35:10 9141
Cedarville 04:20:11 -25.9 Dark Down 10.6 103.1 Really Low 04:05:11 - 04:35:11 9089
Fall River/Burney 04:20:13 -25.2 Dark Down 9.8 102.1 Really Low 04:05:13 - 04:35:13 9023
Susanville 04:20:11 -25.9 Dark Down 10.5 102.5 Really Low 04:05:11 - 04:35:11 8967
Gimple 04:20:12 -25.9 Dark Down 10.4 102.3 Really Low 04:05:12 - 04:35:12 8935
Greenville 04:20:13 -25.8 Dark Down 10.3 102.3 Really Low 04:05:13 - 04:35:13 8934
Quincy 04:20:13 -25.9 Dark Down 10.4 102.2 Really Low 04:05:13 - 04:35:13 8913
Portola 04:20:11 -26.3 Dark Down 10.8 102.5 Really Low 04:05:11 - 04:35:11 8906
Reno 04:20:11 -26.8 Dark Down 11.3 102.9 Really Low 04:05:11 - 04:35:11 8887
Carson City 04:20:11 -27.0 Dark Down 11.4 102.9 Really Low 04:05:11 - 04:35:11 8850
Yerington 04:20:11 -27.5 Dark Down 11.9 103.3 Really Low 04:05:11 - 04:35:11 8838
Gardnerville 04:20:12 -27.1 Dark Down 11.5 102.9 Really Low 04:05:12 - 04:35:12 8824
Hawthorne 04:20:11 -28.0 Dark Down 12.4 103.5 Really Low 04:05:11 - 04:35:11 8796
Tonopah 04:20:11 -29.3 Dark Down 13.6 104.3 Really Low 04:05:11 - 04:35:11 8768
Lee Vining 04:20:14 -27.9 Dark Down 12.2 103.1 Really Low 04:05:14 - 04:35:14 8730
Bishop 04:20:13 -28.6 Dark Down 12.9 103.4 Really Low 04:05:13 - 04:35:13 8677
Beatty 04:20:11 -30.0 Dark Down 14.3 104.4 Really Low 04:05:11 - 04:35:11 8653
Indian Springs 04:20:11 -30.9 Dark Down 15.2 105.0 Really Low 04:05:11 - 04:35:11 8636
Henderson 04:20:10 -31.6 Dark Down 15.9 105.3 Really Low 04:05:10 - 04:35:10 8591
Patrick 04:20:09 -32.7 Dark Down 16.9 105.8 Really Low 04:05:09 - 04:35:09 8544
Kingman/Dolan Springs 04:20:10 -32.7 Dark Down 16.8 105.6 Really Low 04:05:10 - 04:35:10 8517
Laughlin/Bullhead City 04:20:10 -32.3 Dark Down 16.4 105.3 Really Low 04:05:10 - 04:35:10 8506
Mohave Valley 04:20:10 -32.4 Dark Down 16.5 105.2 Really Low 04:05:10 - 04:35:10 8477
Lake Havasu City 04:20:11 -32.7 Dark Down 16.8 105.3 Really Low 04:05:11 - 04:35:11 8439
Parker 04:20:13 -32.9 Dark Down 16.9 105.2 Really Low 04:05:13 - 04:35:13 8402
George/Scottsdale 04:20:08 -34.9 Dark Down 19.0 106.6 Really Low 04:05:08 - 04:35:08 8401
Wildwood 04:20:17 -29.5 Dark Down 13.5 102.5 Really Low 04:05:17 - 04:35:17 8327
Idyllwild 04:20:14 -31.1 Dark Down 15.1 103.6 Really Low 04:05:14 - 04:35:14 8318
Calipatria 04:20:13 -32.3 Dark Down 16.2 104.1 Really Low 04:05:13 - 04:35:13 8272
Yuma 04:20:12 -33.1 Dark Down 17.0 104.6 Really Low 04:05:12 - 04:35:12 8242

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 02CS154, (2023/03/13 04:13UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 15.07  34
Vindemiatrix   13:02:10.2 +10:57:33  2.8 15.05  51
PPM 195577     12:31:38.7 -05:03:09  6.4  2.69  49
PPM 178830     12:37:07.1 -02:19:23  7.5  0.48  49
PPM 178824     12:35:48.1 -02:20:31  9.9  0.22  49
02CS154        12:35:23.3 -02:31:52 15.9        49
Positions are for J2000

Event circumstances last updated at 2022/03/12 01:54:19 UT

Marc W. Buie, Southwest Research Institute

RECON