RECON: TNO occultation with 14UT114

Event between 14UT114 and star UC4-619-008654 with event index number of 163177

Geocentric closest approach at 2016/12/11 08:55:17 UTC

J2000 position of star is 02:59:24.1 +33:43:00
Equinox of date position of star is 03:00:26.8 +33:47:00
Stellar brightness R=15.7
Star is 23 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=21.0

[RECON map]
TNO is 16.4 AU from the Sun and 15.6 AU from the Earth.
The TNO is moving 18.4 km/sec on the sky relative to the star, or, 5.9 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is 1233 km.
The sky-plane scale is 11277.8 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 5.7 sec chord
Diameter=42.8 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14UT114, (2016/12/11 08:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:53.7 +16:32:31  0.8 27.68  27
Algol          03:09:16.7 +41:01:11  2.1  7.44  30
24 Per         03:00:07.0 +35:15:00  4.9  1.47  24
PPM 067985     03:00:39.2 +33:54:41  8.1  0.13  23
14UT114        03:00:26.9 +33:47:01 15.7        23
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 5.0 sigma about the mid-time.
The median site spacing is 26.6 km RECON observability=1.0 and success probability=37.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:51:43 -61.5 Dark Up 50.9 265.9 Up 08:43:00 - 09:00:27 423
Tonasket 08:51:43 -61.7 Dark Up 50.9 266.1 Up 08:42:59 - 09:00:26 398
Okanogan 08:51:43 -62.0 Dark Up 51.0 266.4 Up 08:43:00 - 09:00:27 360
Brewster 08:51:44 -62.3 Dark Up 51.2 266.6 Up 08:43:00 - 09:00:27 329
Manson/Chelan 08:51:45 -62.6 Dark Up 51.4 266.6 Up 08:43:01 - 09:00:28 305
Entiat 08:51:45 -62.8 Dark Up 51.5 266.8 Up 08:43:02 - 09:00:29 280
Wenatchee 08:51:45 -63.1 Dark Up 51.6 267.0 Up 08:43:02 - 09:00:29 252
Ellensburg 08:51:46 -63.5 Dark Up 51.7 267.4 Up 08:43:03 - 09:00:30 206
Yakima 08:51:45 -63.9 Dark Up 51.8 267.9 Up 08:43:02 - 09:00:29 160
Toppenish/White Swan 08:51:45 -64.0 Dark Up 51.7 268.3 Up 08:43:02 - 09:00:29 137
Pasco 08:51:41 -63.6 Dark Up 50.8 269.4 Up 08:42:57 - 09:00:24 127
PNWRO 08:51:40 -63.8 Dark Up 50.6 269.9 Up 08:42:56 - 09:00:23 101
George/Umatilla 08:51:42 -64.0 Dark Up 51.0 269.6 Up 08:42:58 - 09:00:25 90
Goldendale 08:51:46 -64.6 Dark Up 52.0 268.7 Up 08:43:03 - 09:00:30 74
The Dalles 08:51:47 -64.9 Dark Up 52.2 268.7 Up 08:43:03 - 09:00:30 49
Maupin 08:51:46 -65.3 Dark Up 52.2 269.3 Up 08:43:03 - 09:00:30 3
Madras/Culver 08:51:46 -65.8 Dark Up 52.2 270.0 Up 08:43:03 - 09:00:30 -59
Sisters 08:51:48 -66.2 Dark Up 52.5 270.1 Up 08:43:04 - 09:00:31 -97
Redmond 08:51:47 -66.1 Dark Up 52.2 270.4 Up 08:43:03 - 09:00:30 -98
Bend 08:51:47 -66.3 Dark Up 52.3 270.6 Up 08:43:04 - 09:00:31 -123
Oregon Observatory 08:51:47 -66.5 Dark Up 52.4 270.7 Up 08:43:04 - 09:00:31 -142
La Pine/Gilchrist 08:51:47 -66.7 Dark Up 52.5 271.0 Up 08:43:04 - 09:00:31 -165
North Lake 08:51:46 -66.8 Dark Up 52.0 271.9 Up 08:43:03 - 09:00:30 -212
Paisley 08:51:45 -67.1 Dark Up 51.7 272.9 Up 08:43:01 - 09:00:28 -273
Chiloquin 08:51:49 -67.8 Dark Up 52.7 272.2 Up 08:43:06 - 09:00:33 -289
Klamath Falls 08:51:48 -68.0 Dark Up 52.6 272.7 Up 08:43:05 - 09:00:32 -327
Lakeview 08:51:44 -67.5 Dark Up 51.6 273.6 Up 08:43:00 - 09:00:27 -328
Tulelake 08:51:47 -68.1 Dark Up 52.4 273.2 Up 08:43:04 - 09:00:31 -356
Niwot 08:50:54 -60.0 Dark Up 40.1 283.8 Up 08:42:11 - 08:59:38 -401
Cedarville 08:51:43 -67.9 Dark Up 51.4 274.5 Up 08:43:00 - 09:00:27 -401
Fall River/Burney 08:51:47 -68.9 Dark Up 52.3 274.5 Up 08:43:04 - 09:00:31 -457
Susanville 08:51:45 -69.0 Dark Up 51.6 275.7 Up 08:43:02 - 09:00:29 -525
Greenville 08:51:46 -69.4 Dark Up 51.8 275.9 Up 08:43:03 - 09:00:30 -557
Gimple 08:51:46 -69.3 Dark Up 51.8 275.9 Up 08:43:03 - 09:00:30 -557
Quincy 08:51:46 -69.5 Dark Up 51.8 276.1 Up 08:43:03 - 09:00:30 -579
Portola 08:51:44 -69.4 Dark Up 51.4 276.5 Up 08:43:01 - 09:00:28 -592
Reno 08:51:42 -69.3 Dark Up 50.9 277.2 Up 08:42:59 - 09:00:26 -619
Carson City 08:51:42 -69.5 Dark Up 50.9 277.6 Up 08:42:59 - 09:00:26 -659
Yerington 08:51:40 -69.4 Dark Up 50.3 278.2 Up 08:42:56 - 09:00:23 -678
Gardnerville 08:51:42 -69.7 Dark Up 50.8 278.0 Up 08:42:59 - 09:00:26 -686
Hawthorne 08:51:38 -69.4 Dark Up 49.9 279.0 Up 08:42:55 - 09:00:22 -727
Tonopah 08:51:33 -68.9 Dark Up 48.7 280.2 Up 08:42:49 - 09:00:16 -771
Lee Vining 08:51:40 -70.1 Dark Up 50.2 279.4 Up 08:42:56 - 09:00:23 -792
Bishop 08:51:37 -70.0 Dark Up 49.5 280.5 Up 08:42:54 - 09:00:21 -854
Beatty 08:51:31 -69.3 Dark Up 48.1 281.7 Up 08:42:48 - 09:00:15 -895
Indian Springs 08:51:27 -68.8 Dark Up 47.2 282.5 Up 08:42:44 - 09:00:11 -923
Lone Pine 08:51:36 -70.3 Dark Up 49.1 281.5 Up 08:42:52 - 09:00:19 -936
Henderson 08:51:25 -68.7 Dark Up 46.6 283.3 Up 08:42:41 - 09:00:08 -976
Patrick 08:51:21 -68.2 Dark Up 45.6 284.3 Up 08:42:37 - 09:00:04 -1034
Searchlight/Boulder City 08:51:25 -68.9 Dark Up 46.4 283.9 Up 08:42:41 - 09:00:08 -1039
DCO 08:51:18 -67.9 Dark Up 44.9 284.9 Up 08:42:35 - 09:00:02 -1061
Kingman/Dolan Springs 08:51:22 -68.5 Dark Up 45.7 284.5 Up 08:42:38 - 09:00:05 -1061
Laughlin/Bullhead City 08:51:24 -68.8 Dark Up 46.1 284.3 Up 08:42:40 - 09:00:07 -1068
CPSLO 08:51:46 -72.8 Dark Up 50.9 282.0 Up 08:43:03 - 09:00:30 -1089
Mohave Valley 08:51:24 -69.0 Dark Up 46.0 284.6 Up 08:42:40 - 09:00:07 -1097
Lake Havasu City 08:51:23 -69.0 Dark Up 45.7 285.1 Up 08:42:39 - 09:00:06 -1139
Parker 08:51:23 -69.1 Dark Up 45.6 285.4 Up 08:42:39 - 09:00:06 -1177
Wildwood 08:51:39 -72.2 Dark Up 49.0 284.1 Up 08:42:55 - 09:00:22 -1214
Blythe 08:51:24 -69.6 Dark Up 45.7 285.9 Up 08:42:41 - 09:00:08 -1237
Idyllwild 08:51:32 -71.1 Dark Up 47.4 285.1 Up 08:42:48 - 09:00:15 -1242
Calipatria 08:51:28 -70.5 Dark Up 46.3 286.1 Up 08:42:44 - 09:00:11 -1299
Yuma 08:51:24 -70.0 Dark Up 45.4 286.8 Up 08:42:41 - 09:00:08 -1338

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 14UT114, (2016/12/11 08:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 27.68  27
Algol          03:08:10.1 +40:57:20  2.1  7.44  30
24 Per         02:59:03.6 +35:10:59  4.9  1.47  24
PPM 067985     02:59:36.3 +33:50:41  8.1  0.13  23
14UT114        02:59:24.1 +33:43:00 15.7        23
Positions are for J2000

Event circumstances last updated at 2016/11/30 19:00:17 UT

Marc W. Buie, Southwest Research Institute

RECON