RECON: TNO occultation with 10TT191

Event between 10TT191 and star GA1100:00595611 with event index number of 178632

Geocentric closest approach at 2019/02/02 06:32:28 UTC

J2000 position of star is 04:24:32.9 +21:36:43
Equinox of date position of star is 04:25:40.3 +21:39:16
Stellar brightness G=13.1, use SENSEUP=32
Star is 143 degrees from the moon. Moon is 6% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 32.2 AU from the Sun and 31.7 AU from the Earth.
The TNO is moving 8.0 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 714 seconds.
The 1-sigma cross-track error in the shadow position is 1573 km.
The sky-plane scale is 23024.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=164.4 km assuming a 5% albedo -- 20.6 sec chord
Diameter=67.1 km assuming a 30% albedo -- 8.4 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 10TT191, (2019/02/02 06:32UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:01.1 +16:32:46  0.8  5.77 145
44Zet Per      03:55:20.2 +31:56:20  2.8 12.30 137
67Kap2Tau      04:26:33.4 +22:14:31  5.7  0.62 143
PPM 093518     04:27:26.6 +21:30:44  8.0  0.43 143
PPM 093492     04:25:08.9 +21:35:00  8.9  0.14 143
10TT191        04:25:40.8 +21:39:17 13.1       143
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 1.3 sigma about the mid-time.
The median site spacing is 23.8 km RECON observability=1.0 and success probability=7.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:25:21 -50.7 Dark Down 46.0 245.9 Up 06:10:21 - 06:40:21 -2923
Summerland 06:25:23 -50.6 Dark Down 46.3 245.6 Up 06:10:23 - 06:40:23 -2930
Penticton 06:25:21 -50.9 Dark Down 46.3 246.1 Up 06:10:21 - 06:40:21 -2961
Okanagan Falls 06:25:18 -51.0 Dark Down 46.4 246.3 Up 06:10:18 - 06:40:18 -2980
Oliver 06:25:19 -51.2 Dark Down 46.4 246.4 Up 06:10:19 - 06:40:19 -2996
Anarchist Mountain Observatory 06:25:17 -51.4 Dark Down 46.4 246.8 Up 06:10:17 - 06:40:17 -3012
Oroville 06:25:17 -51.4 Dark Down 46.5 246.8 Up 06:10:17 - 06:40:17 -3020
Tonasket 06:25:16 -51.6 Dark Down 46.6 247.0 Up 06:10:16 - 06:40:16 -3043
Okanogan 06:25:16 -51.7 Dark Down 46.8 247.2 Up 06:10:16 - 06:40:16 -3078
Brewster 06:25:16 -51.8 Dark Down 47.0 247.2 Up 06:10:16 - 06:40:16 -3107
Manson/Chelan 06:25:18 -51.8 Dark Down 47.3 247.1 Up 06:10:18 - 06:40:18 -3131
Entiat 06:25:16 -51.9 Dark Down 47.5 247.2 Up 06:10:16 - 06:40:16 -3153
Wenatchee 06:25:17 -52.1 Dark Down 47.6 247.4 Up 06:10:17 - 06:40:17 -3180
Ellensburg 06:25:17 -52.2 Dark Down 47.9 247.6 Up 06:10:17 - 06:40:17 -3223
Yakima 06:25:15 -52.5 Dark Down 48.1 248.0 Up 06:10:15 - 06:40:15 -3265
Toppenish/White Swan 06:25:14 -52.7 Dark Down 48.1 248.4 Up 06:10:14 - 06:40:14 -3286
Pasco 06:25:03 -53.4 Dark Down 47.3 249.7 Up 06:10:03 - 06:40:03 -3290
PNWRO 06:25:01 -53.7 Dark Down 47.2 250.2 Up 06:10:01 - 06:40:01 -3314
George/Umatilla 06:25:04 -53.6 Dark Down 47.6 249.8 Up 06:10:04 - 06:40:04 -3326
Goldendale 06:25:14 -52.9 Dark Down 48.5 248.5 Up 06:10:14 - 06:40:14 -3346
The Dalles 06:25:16 -52.9 Dark Down 48.8 248.4 Up 06:10:16 - 06:40:16 -3371
Maupin 06:25:14 -53.2 Dark Down 48.9 248.9 Up 06:10:14 - 06:40:14 -3414
Madras/Culver 06:25:12 -53.5 Dark Down 49.2 249.5 Up 06:10:12 - 06:40:12 -3471
Redmond 06:25:11 -53.7 Dark Down 49.3 249.8 Up 06:10:11 - 06:40:11 -3508
Sisters 06:25:14 -53.5 Dark Down 49.6 249.4 Up 06:10:14 - 06:40:14 -3508
Bend 06:25:12 -53.8 Dark Down 49.5 249.9 Up 06:10:12 - 06:40:12 -3531
Oregon Observatory 06:25:12 -53.8 Dark Down 49.6 250.0 Up 06:10:12 - 06:40:12 -3550
La Pine/Gilchrist 06:25:11 -53.9 Dark Down 49.7 250.1 Up 06:10:11 - 06:40:11 -3572
North Lake 06:25:05 -54.5 Dark Down 49.5 251.2 Up 06:10:05 - 06:40:05 -3614
Paisley 06:25:01 -55.1 Dark Down 49.4 252.1 Up 06:10:01 - 06:40:01 -3669
Chiloquin 06:25:11 -54.4 Dark Down 50.4 251.0 Up 06:10:11 - 06:40:11 -3691
Lakeview 06:24:56 -55.5 Dark Down 49.5 252.8 Up 06:09:56 - 06:39:56 -3721
Klamath Falls 06:25:08 -54.6 Dark Down 50.4 251.5 Up 06:10:08 - 06:40:08 -3726
Tulelake 06:25:05 -55.0 Dark Down 50.3 252.1 Up 06:10:05 - 06:40:05 -3753
Niwot 06:23:03 -64.3 Dark Down 38.9 266.5 Up 06:08:03 - 06:38:03 -3768
Cedarville 06:24:55 -56.0 Dark Down 49.5 253.7 Up 06:09:55 - 06:39:55 -3789
Fall River/Burney 06:25:03 -55.6 Dark Down 50.5 253.2 Up 06:10:03 - 06:40:03 -3849
Susanville 06:24:54 -56.4 Dark Down 50.2 254.6 Up 06:09:54 - 06:39:54 -3911
Gimple 06:24:54 -56.4 Dark Down 50.4 254.7 Up 06:09:54 - 06:39:54 -3942
Greenville 06:24:56 -56.3 Dark Down 50.5 254.6 Up 06:09:56 - 06:39:56 -3942
Quincy 06:24:56 -56.5 Dark Down 50.5 254.9 Up 06:09:56 - 06:39:56 -3964
Portola 06:24:52 -56.8 Dark Down 50.2 255.4 Up 06:09:52 - 06:39:52 -3974
Reno 06:24:46 -57.4 Dark Down 49.8 256.3 Up 06:09:46 - 06:39:46 -3997
Carson City 06:24:43 -57.6 Dark Down 49.9 256.7 Up 06:09:43 - 06:39:43 -4035
Yerington 06:24:37 -58.1 Dark Down 49.5 257.4 Up 06:09:37 - 06:39:37 -4051
Gardnerville 06:24:42 -57.8 Dark Down 49.9 257.0 Up 06:09:42 - 06:39:42 -4061
Hawthorne 06:24:33 -58.7 Dark Down 49.2 258.4 Up 06:09:33 - 06:39:33 -4097
Tonopah 06:24:20 -59.8 Dark Down 48.2 260.0 Up 06:09:20 - 06:39:20 -4134
Lee Vining 06:24:35 -58.7 Dark Down 49.7 258.6 Up 06:09:35 - 06:39:35 -4161
Bishop 06:24:27 -59.5 Dark Down 49.2 259.9 Up 06:09:27 - 06:39:27 -4219
Beatty 06:24:13 -60.8 Dark Down 48.1 261.6 Up 06:09:13 - 06:39:13 -4254
Indian Springs 06:24:03 -61.7 Dark Down 47.3 262.7 Up 06:09:03 - 06:39:03 -4279
Lone Pine 06:24:22 -60.1 Dark Down 49.1 261.0 Up 06:09:22 - 06:39:22 -4299
Henderson 06:23:55 -62.4 Dark Down 46.8 263.7 Up 06:08:55 - 06:38:55 -4329
Patrick 06:23:44 -63.5 Dark Down 46.0 265.1 Up 06:08:44 - 06:38:44 -4384
Searchlight/Boulder City 06:23:54 -62.8 Dark Down 46.8 264.4 Up 06:08:54 - 06:38:54 -4390
DCO 06:23:38 -64.1 Dark Down 45.5 265.8 Up 06:08:38 - 06:38:38 -4409
Kingman/Dolan Springs 06:23:46 -63.5 Dark Down 46.2 265.2 Up 06:08:46 - 06:38:46 -4411
Laughlin/Bullhead City 06:23:51 -63.2 Dark Down 46.6 264.9 Up 06:08:51 - 06:38:51 -4419
Mohave Valley 06:23:49 -63.3 Dark Down 46.6 265.2 Up 06:08:49 - 06:38:49 -4448
CPSLO 06:24:42 -59.1 Dark Down 51.3 260.6 Up 06:09:42 - 06:39:42 -4460
Lake Havasu City 06:23:46 -63.7 Dark Down 46.5 265.7 Up 06:08:46 - 06:38:46 -4489
Parker 06:23:46 -64.0 Dark Down 46.4 266.1 Up 06:08:46 - 06:38:46 -4526
Wildwood 06:24:20 -61.1 Dark Down 49.9 263.5 Up 06:09:20 - 06:39:20 -4575
Blythe 06:23:46 -64.1 Dark Down 46.7 266.5 Up 06:08:46 - 06:38:46 -4587
Idyllwild 06:24:03 -62.6 Dark Down 48.4 265.1 Up 06:09:03 - 06:39:03 -4596
Calipatria 06:23:52 -63.7 Dark Down 47.5 266.5 Up 06:08:52 - 06:38:52 -4650
Yuma 06:23:44 -64.6 Dark Down 46.8 267.5 Up 06:08:44 - 06:38:44 -4687

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 10TT191, (2019/02/02 06:32UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  5.77 145
44Zet Per      03:54:07.9 +31:53:01  2.8 12.30 137
67Kap2Tau      04:25:25.2 +22:11:58  5.7  0.62 143
PPM 093518     04:26:18.6 +21:28:13  8.0  0.43 143
PPM 093492     04:24:00.9 +21:32:25  8.9  0.14 143
10TT191        04:24:32.9 +21:36:43 13.1       143
Positions are for J2000

Event circumstances last updated at 2018/12/04 06:00:07 UT

Marc W. Buie, Southwest Research Institute

RECON