RECON: TNO occultation with 14TT100

Event between 14TT100 and star GA0880:00287341 with event index number of 1853264

Geocentric closest approach at 2024/03/07 03:41:45 UTC

J2000 position of star is 03:27:43.2 -01:17:13
Equinox of date position of star is 03:28:47.7 -01:12:52
Stellar brightness G=14.3, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 105 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 34.9 AU from the Sun and 35.4 AU from the Earth.
The TNO is moving 22.2 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 198 seconds.
The 1-sigma cross-track error in the shadow position is 3488 km.
The sky-plane scale is 25646.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.0
Diameter=154.2 km assuming a 5% albedo -- 7.0 sec chord
Diameter=62.9 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14TT100, (2024/03/07 03:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.7 +16:33:22  0.8 24.49 127
Menkar         03:03:32.8 +04:11:00  2.5  8.32 101
95 Cet         03:19:36.7 -00:50:37  6.2  2.36 103
PPM 185816     03:29:22.1 -02:23:50  8.2  1.20 104
PPM 175314     03:29:30.1 -01:46:18  9.7  0.58 104
PPM 175313     03:27:50.0 -01:01:18 10.4  0.33 104
14TT100        03:28:57.0 -01:12:15 14.3       105
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 4.5 sigma about the mid-time.
The median site spacing is 26.9 km RECON observability=1.0 and success probability=5.0%
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 03:46:02 -19.4 Dark Down 22.8 237.0 Low 03:31:02 - 04:01:02 8420
Victoria 03:45:55 -17.2 AT Down 26.0 233.8 Low 03:30:55 - 04:00:55 8393
Kelowna 03:46:01 -19.4 Dark Down 23.1 237.0 Low 03:31:01 - 04:01:01 8387
Peachland 03:46:01 -19.3 Dark Down 23.4 236.8 Low 03:31:01 - 04:01:01 8386
Summerland 03:46:02 -19.4 Dark Down 23.4 236.9 Low 03:31:02 - 04:01:02 8369
Penticton 03:46:01 -19.4 Dark Down 23.4 237.0 Low 03:31:01 - 04:01:01 8359
Oliver 03:46:02 -19.5 Dark Down 23.6 237.2 Low 03:31:02 - 04:01:02 8325
Anarchist Mountain Observatory 03:46:02 -19.7 Dark Down 23.5 237.4 Low 03:31:02 - 04:01:02 8302
Tonasket 03:46:01 -19.7 Dark Down 23.8 237.4 Low 03:31:01 - 04:01:01 8275
Okanogan 03:46:01 -19.7 Dark Down 24.0 237.4 Low 03:31:01 - 04:01:01 8247
Brewster 03:46:01 -19.7 Dark Down 24.3 237.3 Low 03:31:01 - 04:01:01 8228
Manson/Chelan 03:46:00 -19.5 Dark Down 24.6 237.1 Low 03:31:00 - 04:01:00 8220
Wenatchee 03:46:00 -19.5 Dark Down 25.0 237.1 Low 03:31:00 - 04:01:00 8180
Ellensburg 03:46:00 -19.4 Dark Down 25.3 237.1 Low 03:31:00 - 04:01:00 8148
Yakima 03:46:00 -19.5 Dark Down 25.5 237.2 Low 03:31:00 - 04:01:00 8109
Toppenish/White Swan 03:46:00 -19.7 Dark Down 25.6 237.5 Low 03:31:00 - 04:01:00 8082
Goldendale 03:45:59 -19.5 Dark Down 26.1 237.3 Low 03:30:59 - 04:00:59 8043
The Dalles 03:45:58 -19.3 Dark Down 26.4 237.1 Low 03:30:58 - 04:00:58 8035
Pasco 03:46:02 -20.6 Dark Down 24.9 238.7 Low 03:31:02 - 04:01:02 8026
PNWRO 03:46:02 -20.8 Dark Down 24.9 239.0 Low 03:31:02 - 04:01:02 7994
Maupin 03:45:58 -19.5 Dark Down 26.6 237.3 Low 03:30:58 - 04:00:58 7990
Sisters 03:45:57 -19.3 Dark Down 27.4 237.3 Low 03:30:57 - 04:00:57 7923
Redmond 03:45:58 -19.6 Dark Down 27.2 237.6 Low 03:30:58 - 04:00:58 7906
Bend 03:45:57 -19.6 Dark Down 27.4 237.6 Low 03:30:57 - 04:00:57 7891
Oregon Observatory 03:45:57 -19.5 Dark Down 27.5 237.6 Low 03:30:57 - 04:00:57 7879
La Pine/Gilchrist 03:45:57 -19.5 Dark Down 27.7 237.6 Low 03:30:57 - 04:00:57 7861
North Lake 03:45:58 -20.0 Dark Down 27.5 238.3 Low 03:30:58 - 04:00:58 7796
Chiloquin 03:45:56 -19.5 Dark Down 28.5 237.8 Low 03:30:56 - 04:00:56 7767
Klamath Falls 03:45:56 -19.6 Dark Down 28.6 238.0 Low 03:30:56 - 04:00:56 7730
Paisley 03:45:58 -20.4 Dark Down 27.6 238.9 Low 03:30:58 - 04:00:58 7729
Lakeview 03:45:58 -20.7 Dark Down 27.7 239.3 Low 03:30:58 - 04:00:58 7672
Cedarville 03:45:58 -20.9 Dark Down 27.9 239.7 Low 03:30:58 - 04:00:58 7601
Fall River/Burney 03:45:56 -20.1 Dark Down 29.0 238.9 Low 03:30:56 - 04:00:56 7601
Susanville 03:45:56 -20.8 Dark Down 28.8 239.8 Low 03:30:56 - 04:00:56 7510
Greenville 03:45:56 -20.6 Dark Down 29.2 239.7 Low 03:30:56 - 04:00:56 7494
Gimple 03:45:56 -20.7 Dark Down 29.1 239.8 Low 03:30:56 - 04:00:56 7491
Quincy 03:45:56 -20.7 Dark Down 29.3 239.8 Low 03:30:56 - 04:00:56 7474
Portola 03:45:56 -21.1 Dark Down 29.0 240.3 Low 03:30:56 - 04:00:56 7443
Reno 03:45:57 -21.6 Dark Down 28.7 241.0 Low 03:30:57 - 04:00:57 7392
Carson City 03:45:57 -21.7 Dark Down 28.9 241.2 Low 03:30:57 - 04:00:57 7355
Gardnerville 03:45:57 -21.8 Dark Down 28.9 241.3 Low 03:30:57 - 04:00:57 7329
Yerington 03:45:58 -22.2 Dark Down 28.5 241.8 Low 03:30:58 - 04:00:58 7312
Hawthorne 03:45:58 -22.7 Dark Down 28.4 242.5 Low 03:30:58 - 04:00:58 7245
Lee Vining 03:45:57 -22.5 Dark Down 29.0 242.3 Low 03:30:57 - 04:00:57 7208
Tonopah 03:46:01 -23.9 Dark Down 27.6 243.8 Low 03:31:01 - 04:01:01 7145
Bishop 03:45:58 -23.1 Dark Down 28.7 243.2 Low 03:30:58 - 04:00:58 7120
Beatty 03:46:00 -24.5 Dark Down 27.8 244.7 Low 03:31:00 - 04:01:00 7011
CPSLO 03:45:52 -21.7 Dark Down 31.3 242.4 Up 03:30:52 - 04:00:52 7007
Dunrhomin 03:46:19 -32.2 Dark Down 18.0 252.1 Really Low 03:31:19 - 04:01:19 6989
Indian Springs 03:46:02 -25.5 Dark Down 27.1 245.7 Low 03:31:02 - 04:01:02 6938
Henderson 03:46:03 -26.1 Dark Down 26.8 246.5 Low 03:31:03 - 04:01:03 6858
Wildwood 03:45:54 -23.6 Dark Down 30.3 244.7 Up 03:30:54 - 04:00:54 6802
Laughlin/Bullhead City 03:46:02 -26.6 Dark Down 26.8 247.2 Low 03:31:02 - 04:01:02 6755
Patrick 03:46:04 -27.2 Dark Down 26.2 247.6 Low 03:31:04 - 04:01:04 6754
Kingman/Dolan Springs 03:46:03 -27.1 Dark Down 26.4 247.6 Low 03:31:03 - 04:01:03 6738
Mohave Valley 03:46:02 -26.7 Dark Down 26.9 247.3 Low 03:31:02 - 04:01:02 6727
Idyllwild 03:45:57 -25.2 Dark Down 29.0 246.3 Low 03:30:57 - 04:00:57 6691
Lake Havasu City 03:46:02 -27.0 Dark Down 26.9 247.7 Low 03:31:02 - 04:01:02 6677
Parker 03:46:02 -27.1 Dark Down 27.0 247.9 Low 03:31:02 - 04:01:02 6640
Blythe 03:46:01 -27.0 Dark Down 27.4 247.9 Low 03:31:01 - 04:01:01 6598
Calipatria 03:45:58 -26.3 Dark Down 28.4 247.5 Low 03:30:58 - 04:00:58 6584
George/Scottsdale 03:46:05 -29.2 Dark Down 25.3 249.8 Low 03:31:05 - 04:01:05 6509
Yuma 03:46:00 -27.1 Dark Down 27.8 248.3 Low 03:31:00 - 04:01:00 6506

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 14TT100, (2024/03/07 03:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 24.49 127
Menkar         03:02:16.8 +04:05:21  2.5  8.32 101
95 Cet         03:18:22.8 -00:55:50  6.2  2.36 103
PPM 185816     03:28:08.8 -02:28:47  8.2  1.20 104
PPM 175314     03:28:16.5 -01:51:15  9.7  0.58 104
PPM 175313     03:26:36.1 -01:06:17 10.4  0.33 104
14TT100        03:27:43.2 -01:17:13 14.3       105
Positions are for J2000

Event circumstances last updated at 2021/02/16 21:38:09 UT

Marc W. Buie, Southwest Research Institute

RECON