RECON: TNO occultation with 00SR331

Event between 00SR331 and star GA1060:02937637 with event index number of 1968612

Geocentric closest approach at 2024/01/03 14:20:14 UTC

J2000 position of star is 07:46:09.5 +16:49:13
Equinox of date position of star is 07:47:25.0 +16:45:56
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 71 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=24.1

[RECON map]
TNO is 33.7 AU from the Sun and 32.7 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 205 seconds.
The 1-sigma cross-track error in the shadow position is 1459 km.
The sky-plane scale is 23736.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 4.5 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 00SR331, (2024/01/03 14:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:47.0 +27:57:59  1.1 11.21  73
PPM 124242     07:38:28.4 +16:50:56  6.1  2.17  73
PPM 124424     07:48:01.8 +16:35:17  7.9  0.21  71
PPM 124417     07:47:39.0 +16:57:14  8.7  0.20  71
PPM 124418     07:47:46.8 +16:42:48 11.2  0.08  71
00SR331        07:47:32.0 +16:45:37 16.1        71
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 4.4 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 14:18:03 -7.8 NT Up 10.3 284.2 Really Low 14:03:03 - 14:33:03 8626
Kamloops 14:17:58 -15.6 AT Up 19.0 273.6 Really Low 14:02:58 - 14:32:58 8258
Kelowna 14:17:55 -14.8 AT Up 18.4 274.5 Really Low 14:02:55 - 14:32:55 8230
Peachland 14:17:53 -15.0 AT Up 18.6 274.3 Really Low 14:02:53 - 14:32:53 8218
Summerland 14:17:53 -14.9 AT Up 18.5 274.4 Really Low 14:02:53 - 14:32:53 8211
Penticton 14:17:52 -14.8 AT Up 18.4 274.5 Really Low 14:02:52 - 14:32:52 8209
Oliver 14:17:51 -14.7 AT Up 18.4 274.6 Really Low 14:02:51 - 14:32:51 8188
Anarchist Mountain Observatory 14:17:51 -14.5 AT Up 18.3 274.8 Really Low 14:02:51 - 14:32:51 8183
Tonasket 14:17:50 -14.5 AT Up 18.3 274.9 Really Low 14:02:50 - 14:32:50 8163
Okanogan 14:17:47 -14.5 AT Up 18.4 274.9 Really Low 14:02:47 - 14:32:47 8139
Brewster 14:17:47 -14.5 AT Up 18.5 274.8 Really Low 14:02:47 - 14:32:47 8118
Manson/Chelan 14:17:46 -14.7 AT Up 18.7 274.6 Really Low 14:02:46 - 14:32:46 8096
Wenatchee 14:17:44 -14.6 AT Up 18.8 274.7 Really Low 14:02:44 - 14:32:44 8063
Victoria 14:17:50 -16.9 AT Up 20.9 272.0 Low 14:02:50 - 14:32:50 8060
Ellensburg 14:17:44 -14.7 AT Up 18.9 274.6 Really Low 14:02:44 - 14:32:44 8032
PNWRO 14:17:38 -13.3 AT Up 17.7 276.1 Really Low 14:02:38 - 14:32:38 8008
Yakima 14:17:41 -14.5 AT Up 18.9 274.8 Really Low 14:02:41 - 14:32:41 8006
Toppenish/White Swan 14:17:41 -14.4 AT Up 18.8 274.9 Really Low 14:02:41 - 14:32:41 7996
Dunrhomin 14:17:18 -1.9 CT Up 6.8 286.3 Really Low 14:02:18 - 14:32:18 7955
Goldendale 14:17:38 -14.5 AT Up 19.0 274.8 Really Low 14:02:38 - 14:32:38 7950
The Dalles 14:17:38 -14.7 AT Up 19.3 274.7 Really Low 14:02:38 - 14:32:38 7926
Maupin 14:17:36 -14.5 AT Up 19.2 274.9 Really Low 14:02:36 - 14:32:36 7902
Sisters 14:17:34 -14.5 AT Up 19.5 274.8 Really Low 14:02:34 - 14:32:34 7831
Bend 14:17:32 -14.3 AT Up 19.2 275.1 Really Low 14:02:32 - 14:32:32 7822
Oregon Observatory 14:17:32 -14.3 AT Up 19.3 275.1 Really Low 14:02:32 - 14:32:32 7807
North Lake 14:17:29 -13.8 AT Up 18.9 275.6 Really Low 14:02:29 - 14:32:29 7776
Lakeview 14:17:25 -13.0 AT Up 18.4 276.3 Really Low 14:02:25 - 14:32:25 7717
Chiloquin 14:17:27 -14.2 AT Up 19.5 275.2 Really Low 14:02:27 - 14:32:27 7705
Klamath Falls 14:17:26 -14.1 AT Up 19.4 275.4 Really Low 14:02:26 - 14:32:26 7683
Cedarville 14:17:23 -12.7 AT Up 18.2 276.7 Really Low 14:02:23 - 14:32:23 7675
Fall River/Burney 14:17:21 -13.4 AT Up 19.1 276.0 Really Low 14:02:21 - 14:32:21 7609
Susanville 14:17:18 -12.7 AT Up 18.4 276.7 Really Low 14:02:18 - 14:32:18 7583
Gimple 14:17:17 -12.8 AT Up 18.6 276.7 Really Low 14:02:17 - 14:32:17 7557
Greenville 14:17:18 -12.8 AT Up 18.6 276.6 Really Low 14:02:18 - 14:32:18 7555
Portola 14:17:16 -12.4 AT Up 18.2 277.0 Really Low 14:02:16 - 14:32:16 7544
Reno 14:17:15 -11.8 NT Up 17.7 277.5 Really Low 14:02:15 - 14:32:15 7542
Quincy 14:17:17 -12.8 AT Up 18.6 276.7 Really Low 14:02:17 - 14:32:17 7540
Yerington 14:17:13 -11.1 NT Up 17.1 278.1 Really Low 14:02:13 - 14:32:13 7518
Carson City 14:17:14 -11.7 NT Up 17.6 277.6 Really Low 14:02:14 - 14:32:14 7516
Tonopah 14:17:09 -9.4 NT Up 15.5 279.5 Really Low 14:02:09 - 14:32:09 7501
Gardnerville 14:17:13 -11.6 NT Up 17.6 277.7 Really Low 14:02:13 - 14:32:13 7499
Hawthorne 14:17:11 -10.6 NT Up 16.7 278.5 Really Low 14:02:11 - 14:32:11 7498
Lee Vining 14:17:09 -10.8 NT Up 17.0 278.4 Really Low 14:02:09 - 14:32:09 7443
Indian Springs 14:17:03 -7.7 NT Up 14.0 280.7 Really Low 14:02:03 - 14:32:03 7430
Beatty 14:17:06 -8.6 NT Up 14.9 280.0 Really Low 14:02:06 - 14:32:06 7426
Bishop 14:17:08 -10.0 NT Up 16.3 279.0 Really Low 14:02:08 - 14:32:08 7417
Henderson 14:17:02 -7.0 NT Up 13.4 281.2 Really Low 14:02:02 - 14:32:02 7408
Patrick 14:17:00 -5.9 CT Up 12.4 282.0 Really Low 14:02:00 - 14:32:00 7390
Kingman/Dolan Springs 14:16:59 -6.0 CT Up 12.5 281.9 Really Low 14:01:59 - 14:31:59 7368
Laughlin/Bullhead City 14:16:59 -6.4 NT Up 12.9 281.6 Really Low 14:01:59 - 14:31:59 7352
Mohave Valley 14:16:58 -6.3 NT Up 12.9 281.7 Really Low 14:01:58 - 14:31:58 7331
George/Scottsdale 14:16:54 -3.7 CT Up 10.4 283.4 Really Low 14:01:54 - 14:31:54 7313
Lake Havasu City 14:16:57 -5.9 CT Up 12.6 281.9 Really Low 14:01:57 - 14:31:57 7306
Parker 14:16:55 -5.7 CT Up 12.5 282.0 Really Low 14:01:55 - 14:31:55 7280
Idyllwild 14:16:54 -7.4 NT Up 14.4 280.8 Really Low 14:01:54 - 14:31:54 7181
Calipatria 14:16:52 -6.3 NT Up 13.3 281.6 Really Low 14:01:52 - 14:31:52 7165
Wildwood 14:16:56 -9.0 NT Up 16.0 279.8 Really Low 14:01:56 - 14:31:56 7157
Yuma 14:16:51 -5.4 CT Up 12.5 282.1 Really Low 14:01:51 - 14:31:51 7155

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 00SR331, (2024/01/03 14:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 11.21  73
PPM 124242     07:37:05.7 +16:54:15  6.1  2.17  73
PPM 124424     07:46:39.5 +16:38:55  7.9  0.21  71
PPM 124417     07:46:16.5 +17:00:51  8.7  0.20  71
PPM 124418     07:46:24.4 +16:46:25 11.2  0.08  71
00SR331        07:46:09.5 +16:49:13 16.1        71
Positions are for J2000

Event circumstances last updated at 2021/12/20 00:08:57 UT

Marc W. Buie, Southwest Research Institute

RECON