RECON: TNO occultation with 00FX53

Event between 00FX53 and star UC4-409-056573 with event index number of 107553

Geocentric closest approach at 2018/03/27 09:58:44 UTC

J2000 position of star is 13:46:56.6 -08:18:46
Equinox of date position of star is 13:47:52.2 -08:24:00
Stellar brightness R=15.8, use SENSEUP=128
Star is 75 degrees from the moon. Moon is 80% illuminated.
TNO apparent brightness V=23.8

[RECON map]
TNO is 37.9 AU from the Sun and 37.0 AU from the Earth.
The TNO is moving 22.5 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 235 seconds.
The 1-sigma cross-track error in the shadow position is 3699 km.
The sky-plane scale is 26803.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 6.6 sec chord
Diameter=60.9 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 00FX53, (2018/03/27 09:59UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:09.4 -11:15:21  1.0  6.07  71
82 Vir         13:42:34.4 -08:47:40  5.0  1.37  74
PPM 196892     13:48:59.5 -08:06:57  8.0  0.39  75
PPM 196869     13:47:19.5 -08:31:45  8.8  0.19  75
00FX53         13:47:54.3 -08:24:12 15.8        75
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 3.8 sigma about the mid-time.
The median site spacing is 11.4 km RECON observability=1.0 and success probability=5.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 09:59:51 -32.6 Dark Up 32.3 190.0 Up 09:44:51 - 10:14:51 3365
Tonasket 09:59:51 -32.7 Dark Up 32.5 190.1 Up 09:44:51 - 10:14:51 3353
Okanogan 09:59:50 -33.1 Dark Up 32.8 189.9 Up 09:44:50 - 10:14:50 3332
Brewster 09:59:50 -33.4 Dark Up 33.1 189.7 Up 09:44:50 - 10:14:50 3313
Manson/Chelan 09:59:52 -33.7 Dark Up 33.4 189.3 Up 09:44:52 - 10:14:52 3292
Entiat 09:59:52 -33.9 Dark Up 33.6 189.3 Up 09:44:52 - 10:14:52 3278
Niwot 09:58:49 -31.8 Dark Up 37.3 208.5 Up 09:43:49 - 10:13:49 3267
Wenatchee 09:59:52 -34.1 Dark Up 33.9 189.2 Up 09:44:52 - 10:14:52 3262
Ellensburg 09:59:51 -34.6 Dark Up 34.3 189.0 Up 09:44:51 - 10:14:51 3234
Pasco 09:59:45 -34.6 Dark Up 34.9 190.7 Up 09:44:45 - 10:14:45 3232
PNWRO 09:59:45 -34.7 Dark Up 35.1 191.0 Up 09:44:45 - 10:14:45 3225
Yakima 09:59:51 -34.9 Dark Up 34.7 189.0 Up 09:44:51 - 10:14:51 3211
George/Umatilla 09:59:46 -35.0 Dark Up 35.2 190.5 Up 09:44:46 - 10:14:46 3208
Toppenish/White Swan 09:59:50 -35.0 Dark Up 34.9 189.2 Up 09:44:50 - 10:14:50 3204
Goldendale 09:59:51 -35.6 Dark Up 35.5 188.8 Up 09:44:51 - 10:14:51 3161
The Dalles 09:59:51 -36.0 Dark Up 35.7 188.3 Up 09:44:51 - 10:14:51 3138
Maupin 09:59:50 -36.3 Dark Up 36.1 188.5 Up 09:44:50 - 10:14:50 3117
Madras/Culver 09:59:50 -36.7 Dark Up 36.7 188.5 Up 09:44:50 - 10:14:50 3084
Redmond 09:59:49 -37.0 Dark Up 37.1 188.5 Up 09:44:49 - 10:14:49 3062
Sisters 09:59:50 -37.2 Dark Up 37.1 188.0 Up 09:44:50 - 10:14:50 3052
Bend 09:59:49 -37.3 Dark Up 37.3 188.3 Up 09:44:49 - 10:14:49 3046
Oregon Observatory 09:59:50 -37.5 Dark Up 37.5 188.2 Up 09:44:50 - 10:14:50 3032
La Pine/Gilchrist 09:59:49 -37.7 Dark Up 37.7 188.1 Up 09:44:49 - 10:14:49 3018
North Lake 09:59:46 -37.8 Dark Up 38.0 188.9 Up 09:44:46 - 10:14:46 3010
Paisley 09:59:45 -38.1 Dark Up 38.5 189.4 Up 09:44:45 - 10:14:45 2987
Lakeview 09:59:43 -38.4 Dark Up 39.0 189.7 Up 09:44:43 - 10:14:43 2962
Chiloquin 09:59:49 -38.7 Dark Up 38.8 187.8 Up 09:44:49 - 10:14:49 2940
Cedarville 09:59:41 -38.8 Dark Up 39.6 190.0 Up 09:44:41 - 10:14:41 2927
Klamath Falls 09:59:48 -39.0 Dark Up 39.1 187.9 Up 09:44:48 - 10:14:48 2921
Tulelake 09:59:46 -39.1 Dark Up 39.4 188.4 Up 09:44:46 - 10:14:46 2913
Fall River/Burney 09:59:45 -39.8 Dark Up 40.3 188.6 Up 09:44:45 - 10:14:45 2858
Susanville 09:59:41 -39.9 Dark Up 40.8 189.6 Up 09:44:41 - 10:14:41 2841
Gimple 09:59:41 -40.3 Dark Up 41.1 189.4 Up 09:44:41 - 10:14:41 2817
Greenville 09:59:41 -40.3 Dark Up 41.1 189.2 Up 09:44:41 - 10:14:41 2814
Reno 09:59:37 -40.2 Dark Up 41.6 190.8 Up 09:44:37 - 10:14:37 2811
Portola 09:59:40 -40.3 Dark Up 41.4 189.9 Up 09:44:40 - 10:14:40 2808
Quincy 09:59:42 -40.5 Dark Up 41.3 189.3 Up 09:44:42 - 10:14:42 2801
Yerington 09:59:34 -40.3 Dark Up 42.0 191.7 Up 09:44:34 - 10:14:34 2796
Tonopah 09:59:25 -40.1 Dark Up 42.6 194.4 Up 09:44:25 - 10:14:25 2795
Carson City 09:59:37 -40.5 Dark Up 41.9 190.9 Up 09:44:37 - 10:14:37 2789
Hawthorne 09:59:31 -40.4 Dark Up 42.4 192.5 Up 09:44:31 - 10:14:31 2782
Gardnerville 09:59:35 -40.7 Dark Up 42.1 191.0 Up 09:44:35 - 10:14:35 2774
Indian Springs 09:59:17 -40.3 Dark Up 43.7 196.8 Up 09:44:17 - 10:14:17 2744
Beatty 09:59:21 -40.7 Dark Up 43.6 195.3 Up 09:44:21 - 10:14:21 2732
Lee Vining 09:59:31 -41.1 Dark Up 43.0 192.0 Up 09:44:31 - 10:14:31 2729
Henderson 09:59:13 -40.3 Dark Up 44.0 197.9 Up 09:44:13 - 10:14:13 2729
DCO 09:59:06 -39.8 Dark Up 44.4 200.5 Up 09:44:06 - 10:14:06 2723
Patrick 09:59:09 -40.1 Dark Up 44.3 199.5 Up 09:44:09 - 10:14:09 2721
Bishop 09:59:28 -41.2 Dark Up 43.5 193.0 Up 09:44:28 - 10:14:28 2712
Kingman/Dolan Springs 09:59:09 -40.3 Dark Up 44.6 199.3 Up 09:44:09 - 10:14:09 2700
Searchlight/Boulder City 09:59:11 -40.6 Dark Up 44.6 198.1 Up 09:44:11 - 10:14:11 2692
Laughlin/Bullhead City 09:59:10 -40.6 Dark Up 44.7 198.7 Up 09:44:10 - 10:14:10 2682
Lone Pine 09:59:25 -41.6 Dark Up 44.1 193.6 Up 09:44:25 - 10:14:25 2671
Mohave Valley 09:59:09 -40.8 Dark Up 45.0 198.7 Up 09:44:09 - 10:14:09 2663
Lake Havasu City 09:59:08 -40.9 Dark Up 45.3 199.2 Up 09:44:08 - 10:14:08 2643
Parker 09:59:07 -41.2 Dark Up 45.6 199.4 Up 09:44:07 - 10:14:07 2620
Blythe 09:59:08 -41.7 Dark Up 46.2 199.1 Up 09:44:08 - 10:14:08 2573
Idyllwild 09:59:15 -42.9 Dark Up 46.6 196.2 Up 09:44:15 - 10:14:15 2514
Calipatria 09:59:10 -42.6 Dark Up 46.9 198.0 Up 09:44:10 - 10:14:10 2508
Yuma 09:59:06 -42.3 Dark Up 47.1 199.4 Up 09:44:06 - 10:14:06 2506
CPSLO 09:59:32 -43.9 Dark Up 45.8 190.4 Up 09:44:32 - 10:14:32 2495
Wildwood 09:59:23 -43.7 Dark Up 46.7 193.5 Up 09:44:23 - 10:14:23 2477

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 00FX53, (2018/03/27 09:59UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0  6.07  71
82 Vir         13:41:36.7 -08:42:10  5.0  1.37  74
PPM 196892     13:48:01.8 -08:01:32  8.0  0.39  75
PPM 196869     13:46:21.8 -08:26:19  8.8  0.19  75
00FX53         13:46:56.6 -08:18:46 15.8        75
Positions are for J2000

Event circumstances last updated at 2017/08/01 16:36:08 UT

Marc W. Buie, Southwest Research Institute

RECON