RECON: TNO occultation with 02CT154

Event between 02CT154 and star GA0880:04057267 with event index number of 183087

Geocentric closest approach at 2019/03/29 06:00:52 UTC

J2000 position of star is 12:33:32.5 -01:42:51
Equinox of date position of star is 12:34:30.6 -01:49:05
Stellar brightness G=13.1, use SENSEUP=32
Star is 102 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 42.7 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 25.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 322 seconds.
The 1-sigma cross-track error in the shadow position is 4649 km.
The sky-plane scale is 30266.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 8.8 sec chord
Diameter=89.7 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 02CT154, (2019/03/29 06:01UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:12.6 -11:15:40  1.0 15.92  86
Vindemiatrix   13:03:08.1 +10:51:22  2.8 14.54 100
PPM 195518     12:28:50.9 -04:43:17  6.2  3.23 102
PPM 178810     12:33:03.7 -01:52:42  8.0  0.37 102
PPM 178819     12:35:10.9 -01:57:12  9.7  0.21 102
02CT154        12:34:31.8 -01:49:13 13.1       102
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 2.8 sigma about the mid-time.
The median site spacing is 18.5 km RECON observability=1.0 and success probability=7.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:03:29 -31.0 Dark Down 32.1 143.2 Up 05:48:29 - 06:18:29 4343
Summerland 06:03:29 -30.9 Dark Down 32.0 142.7 Up 05:48:29 - 06:18:29 4330
Penticton 06:03:28 -31.2 Dark Down 32.3 142.8 Up 05:48:28 - 06:18:28 4309
Okanagan Falls 06:03:29 -31.4 Dark Down 32.5 142.7 Up 05:48:29 - 06:18:29 4294
Oliver 06:03:29 -31.5 Dark Down 32.6 142.7 Up 05:48:29 - 06:18:29 4281
Anarchist Mountain Observatory 06:03:28 -31.7 Dark Down 32.8 142.8 Up 05:48:28 - 06:18:28 4272
Oroville 06:03:28 -31.7 Dark Down 32.9 142.7 Up 05:48:28 - 06:18:28 4264
Tonasket 06:03:30 -31.9 Dark Down 33.1 142.6 Up 05:48:30 - 06:18:30 4245
Okanogan 06:03:29 -32.1 Dark Down 33.3 142.3 Up 05:48:29 - 06:18:29 4213
Brewster 06:03:30 -32.3 Dark Down 33.4 142.0 Up 05:48:30 - 06:18:30 4185
Manson/Chelan 06:03:31 -32.3 Dark Down 33.4 141.5 Up 05:48:31 - 06:18:31 4158
Entiat 06:03:30 -32.5 Dark Down 33.5 141.4 Up 05:48:30 - 06:18:30 4138
Wenatchee 06:03:31 -32.6 Dark Down 33.7 141.1 Up 05:48:31 - 06:18:31 4113
Ellensburg 06:03:32 -32.9 Dark Down 33.9 140.7 Up 05:48:32 - 06:18:32 4073
Pasco 06:03:29 -34.0 Dark Down 35.1 142.0 Up 05:48:29 - 06:18:29 4049
Yakima 06:03:33 -33.2 Dark Down 34.2 140.5 Up 05:48:33 - 06:18:33 4038
PNWRO 06:03:29 -34.3 Dark Down 35.4 142.1 Up 05:48:29 - 06:18:29 4034
Toppenish/White Swan 06:03:32 -33.4 Dark Down 34.5 140.6 Up 05:48:32 - 06:18:32 4024
George/Umatilla 06:03:29 -34.2 Dark Down 35.3 141.6 Up 05:48:29 - 06:18:29 4014
Goldendale 06:03:33 -33.7 Dark Down 34.7 139.9 Up 05:48:33 - 06:18:33 3965
Niwot 06:02:51 -44.3 Dark Down 45.5 156.1 Up 05:47:51 - 06:17:51 3957
The Dalles 06:03:34 -33.7 Dark Down 34.7 139.4 Up 05:48:34 - 06:18:34 3935
Maupin 06:03:33 -34.1 Dark Down 35.1 139.4 Up 05:48:33 - 06:18:33 3902
Madras/Culver 06:03:35 -34.5 Dark Down 35.5 139.1 Up 05:48:35 - 06:18:35 3853
Redmond 06:03:34 -34.7 Dark Down 35.7 138.8 Up 05:48:34 - 06:18:34 3821
Sisters 06:03:35 -34.5 Dark Down 35.5 138.4 Up 05:48:35 - 06:18:35 3811
Bend 06:03:35 -34.8 Dark Down 35.8 138.6 Up 05:48:35 - 06:18:35 3798
Oregon Observatory 06:03:36 -34.9 Dark Down 35.9 138.4 Up 05:48:36 - 06:18:36 3779
La Pine/Gilchrist 06:03:35 -35.0 Dark Down 36.0 138.2 Up 05:48:35 - 06:18:35 3759
North Lake 06:03:34 -35.6 Dark Down 36.6 138.6 Up 05:48:34 - 06:18:34 3738
Paisley 06:03:34 -36.2 Dark Down 37.2 138.8 Up 05:48:34 - 06:18:34 3699
Lakeview 06:03:33 -36.7 Dark Down 37.7 138.7 Up 05:48:33 - 06:18:33 3660
Chiloquin 06:03:36 -35.7 Dark Down 36.7 137.3 Up 05:48:36 - 06:18:36 3650
Klamath Falls 06:03:36 -36.0 Dark Down 37.0 137.2 Up 05:48:36 - 06:18:36 3622
Cedarville 06:03:33 -37.3 Dark Down 38.3 138.6 Up 05:48:33 - 06:18:33 3606
Tulelake 06:03:35 -36.4 Dark Down 37.3 137.4 Up 05:48:35 - 06:18:35 3606
Fall River/Burney 06:03:35 -37.1 Dark Down 38.0 137.0 Up 05:48:35 - 06:18:35 3526
Susanville 06:03:33 -37.9 Dark Down 38.9 137.4 Up 05:48:33 - 06:18:33 3491
Gimple 06:03:35 -38.0 Dark Down 39.0 137.1 Up 05:48:35 - 06:18:35 3459
Greenville 06:03:34 -38.0 Dark Down 38.9 137.0 Up 05:48:34 - 06:18:34 3457
Portola 06:03:33 -38.5 Dark Down 39.4 137.3 Up 05:48:33 - 06:18:33 3442
Quincy 06:03:34 -38.1 Dark Down 39.1 136.9 Up 05:48:34 - 06:18:34 3439
Reno 06:03:32 -39.0 Dark Down 39.9 137.9 Up 05:48:32 - 06:18:32 3437
Yerington 06:03:30 -39.7 Dark Down 40.7 138.3 Up 05:48:30 - 06:18:30 3407
Carson City 06:03:32 -39.3 Dark Down 40.2 137.7 Up 05:48:32 - 06:18:32 3405
Gardnerville 06:03:32 -39.5 Dark Down 40.4 137.6 Up 05:48:32 - 06:18:32 3384
Tonopah 06:03:25 -41.4 Dark Down 42.4 140.0 Up 05:48:25 - 06:18:25 3383
Hawthorne 06:03:29 -40.4 Dark Down 41.3 138.6 Up 05:48:29 - 06:18:29 3381
Lee Vining 06:03:30 -40.5 Dark Down 41.5 137.7 Up 05:48:30 - 06:18:30 3313
Indian Springs 06:03:20 -43.3 Dark Down 44.3 140.9 Up 05:48:20 - 06:18:20 3297
Beatty 06:03:23 -42.5 Dark Down 43.5 139.8 Up 05:48:23 - 06:18:23 3291
Bishop 06:03:27 -41.4 Dark Down 42.3 138.2 Up 05:48:27 - 06:18:27 3281
Henderson 06:03:18 -44.1 Dark Down 45.0 141.4 Up 05:48:18 - 06:18:18 3270
Patrick 06:03:14 -45.1 Dark Down 46.1 142.3 Up 05:48:14 - 06:18:14 3250
DCO 06:03:11 -45.7 Dark Down 46.7 143.0 Up 05:48:11 - 06:18:11 3246
Kingman/Dolan Springs 06:03:15 -45.2 Dark Down 46.2 142.0 Up 05:48:15 - 06:18:15 3223
Lone Pine 06:03:26 -42.1 Dark Down 43.0 138.1 Up 05:48:26 - 06:18:26 3221
Searchlight/Boulder City 06:03:17 -44.6 Dark Down 45.5 141.1 Up 05:48:17 - 06:18:17 3219
Laughlin/Bullhead City 06:03:17 -45.0 Dark Down 45.9 141.3 Up 05:48:17 - 06:18:17 3204
Mohave Valley 06:03:16 -45.2 Dark Down 46.1 141.1 Up 05:48:16 - 06:18:16 3178
Lake Havasu City 06:03:15 -45.6 Dark Down 46.6 141.2 Up 05:48:15 - 06:18:15 3150
Parker 06:03:15 -45.9 Dark Down 46.9 141.0 Up 05:48:15 - 06:18:15 3118
Blythe 06:03:15 -46.2 Dark Down 47.1 140.3 Up 05:48:15 - 06:18:15 3058
CPSLO 06:03:33 -41.7 Dark Down 42.5 134.4 Up 05:48:33 - 06:18:33 3016
Idyllwild 06:03:22 -45.0 Dark Down 45.9 137.8 Up 05:48:22 - 06:18:22 2997
Calipatria 06:03:18 -46.1 Dark Down 47.0 138.8 Up 05:48:18 - 06:18:18 2980
Yuma 06:03:15 -46.9 Dark Down 47.8 139.6 Up 05:48:15 - 06:18:15 2970
Wildwood 06:03:27 -43.7 Dark Down 44.6 135.9 Up 05:48:27 - 06:18:27 2968

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 02CT154, (2019/03/29 06:01UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 15.92  86
Vindemiatrix   13:02:10.3 +10:57:33  2.8 14.54 100
PPM 195518     12:27:51.5 -04:36:55  6.2  3.23 102
PPM 178810     12:32:04.4 -01:46:20  8.0  0.37 102
PPM 178819     12:34:11.6 -01:50:51  9.7  0.21 102
02CT154        12:33:32.5 -01:42:51 13.1       102
Positions are for J2000

Event circumstances last updated at 2018/11/04 22:26:55 UT

Marc W. Buie, Southwest Research Institute

RECON