RECON: TNO occultation with 14UE228

Event between 14UE228 and star GA1040:00199772 with event index number of 236534

Geocentric closest approach at 2019/12/03 03:08:04 UTC

J2000 position of star is 02:05:27.4 +15:33:21
Equinox of date position of star is 02:06:27.6 +15:38:36
Stellar brightness G=16.3, use SENSEUP=128
Star is 67 degrees from the moon. Moon is 39% illuminated.
TNO apparent brightness V=24.4

[RECON map]
TNO is 38.3 AU from the Sun and 37.5 AU from the Earth.
The TNO is moving 19.1 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 488 seconds.
The 1-sigma cross-track error in the shadow position is 5204 km.
The sky-plane scale is 27161.6 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.2 km assuming a 5% albedo -- 6.3 sec chord
Diameter=49.1 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is ERR2LARGE
 
 
 
 
 
 

Star training set for 14UE228, (2019/12/03 03:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.0 +16:32:52  0.8 36.11 101
6Bet Ari       01:55:44.7 +20:54:17  2.6  5.85  67
19 Ari         02:14:08.7 +15:22:20  5.7  1.85  68
PPM 117935     02:06:29.1 +15:37:56  8.4  0.02  67
14UE228        02:06:32.5 +15:39:02 16.3        67
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 1.8 sigma about the mid-time.
The median site spacing is 16.1 km RECON observability=1.0 and success probability=7.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 03:08:30 -29.5 Dark Up 47.2 131.1 Up 02:53:30 - 03:23:30 3163
Oroville 03:08:32 -29.6 Dark Up 47.6 130.7 Up 02:53:32 - 03:23:32 3122
Tonasket 03:08:33 -29.6 Dark Up 47.8 130.6 Up 02:53:33 - 03:23:33 3107
Okanogan 03:08:35 -29.5 Dark Up 47.9 130.1 Up 02:53:35 - 03:23:35 3091
Brewster 03:08:36 -29.4 Dark Up 48.0 129.6 Up 02:53:36 - 03:23:36 3081
Manson/Chelan 03:08:39 -29.2 Dark Up 48.0 129.0 Up 02:53:39 - 03:23:39 3080
Entiat 03:08:39 -29.1 Dark Up 48.1 128.7 Up 02:53:39 - 03:23:39 3069
Wenatchee 03:08:41 -29.0 Dark Up 48.2 128.4 Up 02:53:41 - 03:23:41 3056
Ellensburg 03:08:43 -28.9 Dark Up 48.3 127.8 Up 02:53:43 - 03:23:43 3037
Yakima 03:08:45 -28.9 Dark Up 48.6 127.4 Up 02:53:45 - 03:23:45 3011
Toppenish/White Swan 03:08:45 -29.0 Dark Up 48.8 127.4 Up 02:53:45 - 03:23:45 2991
Goldendale 03:08:48 -28.6 Dark Up 48.9 126.4 Up 02:53:48 - 03:23:48 2970
The Dalles 03:08:50 -28.4 Dark Up 48.8 125.8 Up 02:53:50 - 03:23:50 2969
Maupin 03:08:52 -28.4 Dark Up 49.1 125.5 Up 02:53:52 - 03:23:52 2937
Pasco 03:08:42 -29.8 Dark Up 49.5 128.8 Up 02:53:42 - 03:23:42 2936
George/Umatilla 03:08:44 -29.7 Dark Up 49.6 128.3 Up 02:53:44 - 03:23:44 2922
PNWRO 03:08:42 -30.0 Dark Up 49.8 128.9 Up 02:53:42 - 03:23:42 2911
Madras/Culver 03:08:54 -28.4 Dark Up 49.4 125.0 Up 02:53:54 - 03:23:54 2902
Sisters 03:08:57 -28.0 Dark Up 49.3 124.1 Up 02:53:57 - 03:23:57 2896
Redmond 03:08:56 -28.3 Dark Up 49.6 124.6 Up 02:53:56 - 03:23:56 2879
Bend 03:08:57 -28.2 Dark Up 49.6 124.2 Up 02:53:57 - 03:23:57 2870
Oregon Observatory 03:08:58 -28.1 Dark Up 49.7 123.9 Up 02:53:58 - 03:23:58 2863
La Pine/Gilchrist 03:08:59 -28.1 Dark Up 49.7 123.6 Up 02:53:59 - 03:23:59 2852
North Lake 03:08:59 -28.5 Dark Up 50.3 123.9 Up 02:53:59 - 03:23:59 2798
Chiloquin 03:09:05 -27.7 Dark Up 50.1 122.1 Up 02:54:05 - 03:24:05 2789
Klamath Falls 03:09:06 -27.7 Dark Up 50.4 121.9 Up 02:54:06 - 03:24:06 2762
Paisley 03:09:00 -28.7 Dark Up 50.9 123.8 Up 02:54:00 - 03:24:00 2746
Tulelake 03:09:06 -27.9 Dark Up 50.7 122.0 Up 02:54:06 - 03:24:06 2731
Lakeview 03:09:02 -28.8 Dark Up 51.3 123.5 Up 02:54:02 - 03:24:02 2703
Fall River/Burney 03:09:10 -27.9 Dark Up 51.2 121.1 Up 02:54:10 - 03:24:10 2663
Cedarville 03:09:04 -28.9 Dark Up 51.8 123.0 Up 02:54:04 - 03:24:04 2649
Susanville 03:09:10 -28.4 Dark Up 52.1 121.3 Up 02:54:10 - 03:24:10 2587
Greenville 03:09:12 -28.2 Dark Up 52.0 120.6 Up 02:54:12 - 03:24:12 2579
Gimple 03:09:11 -28.2 Dark Up 52.1 120.7 Up 02:54:11 - 03:24:11 2576
Quincy 03:09:12 -28.2 Dark Up 52.1 120.4 Up 02:54:12 - 03:24:12 2564
Portola 03:09:11 -28.5 Dark Up 52.5 120.8 Up 02:54:11 - 03:24:11 2536
Reno 03:09:11 -29.0 Dark Up 53.1 121.3 Up 02:54:11 - 03:24:11 2489
Carson City 03:09:12 -29.0 Dark Up 53.3 120.9 Up 02:54:12 - 03:24:12 2462
Gardnerville 03:09:13 -29.0 Dark Up 53.4 120.7 Up 02:54:13 - 03:24:13 2441
Yerington 03:09:11 -29.4 Dark Up 53.8 121.4 Up 02:54:11 - 03:24:11 2421
Hawthorne 03:09:11 -29.8 Dark Up 54.4 121.5 Up 02:54:11 - 03:24:11 2363
Lee Vining 03:09:15 -29.4 Dark Up 54.3 120.3 Up 02:54:15 - 03:24:15 2341
Tonopah 03:09:08 -30.9 Dark Up 55.6 122.6 Up 02:54:08 - 03:24:08 2268
Bishop 03:09:14 -29.9 Dark Up 55.1 120.4 Up 02:54:14 - 03:24:14 2264
CPSLO 03:09:29 -27.9 Dark Up 54.5 115.3 Up 02:54:29 - 03:24:29 2201
Lone Pine 03:09:16 -30.1 Dark Up 55.8 119.8 Up 02:54:16 - 03:24:16 2191
Beatty 03:09:11 -31.1 Dark Up 56.5 121.8 Up 02:54:11 - 03:24:11 2159
Indian Springs 03:09:08 -31.9 Dark Up 57.4 122.7 Up 02:54:08 - 03:24:08 2087
Wildwood 03:09:27 -29.4 Dark Up 56.6 116.0 Up 02:54:27 - 03:24:27 2015
Henderson 03:09:08 -32.5 Dark Up 58.1 122.9 Up 02:54:08 - 03:24:08 2014
Searchlight/Boulder City 03:09:09 -32.5 Dark Up 58.5 122.2 Up 02:54:09 - 03:24:09 1965
Niwot 03:08:18 -40.1 Dark Up 61.0 142.7 Up 02:53:18 - 03:23:18 1938
Laughlin/Bullhead City 03:09:09 -32.7 Dark Up 58.9 122.2 Up 02:54:09 - 03:24:09 1926
Patrick 03:09:06 -33.3 Dark Up 59.2 123.5 Up 02:54:06 - 03:24:06 1915
Kingman/Dolan Springs 03:09:07 -33.1 Dark Up 59.2 122.9 Up 02:54:07 - 03:24:07 1905
Mohave Valley 03:09:10 -32.7 Dark Up 59.1 121.8 Up 02:54:10 - 03:24:10 1903
Idyllwild 03:09:22 -30.8 Dark Up 58.1 117.6 Up 02:54:22 - 03:24:22 1902
Lake Havasu City 03:09:11 -32.9 Dark Up 59.4 121.6 Up 02:54:11 - 03:24:11 1859
DCO 03:09:04 -33.8 Dark Up 59.9 124.0 Up 02:54:04 - 03:24:04 1859
Parker 03:09:12 -32.9 Dark Up 59.6 121.1 Up 02:54:12 - 03:24:12 1829
Calipatria 03:09:20 -31.7 Dark Up 59.3 118.1 Up 02:54:20 - 03:24:20 1799
Blythe 03:09:15 -32.6 Dark Up 59.7 120.0 Up 02:54:15 - 03:24:15 1798
Yuma 03:09:18 -32.4 Dark Up 60.1 118.5 Up 02:54:18 - 03:24:18 1723

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 14UE228, (2019/12/03 03:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 36.11 101
6Bet Ari       01:54:38.5 +20:48:27  2.6  5.85  67
19 Ari         02:13:03.4 +15:16:47  5.7  1.85  68
PPM 117935     02:05:23.9 +15:32:16  8.4  0.02  67
14UE228        02:05:27.4 +15:33:21 16.3        67
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:21:37 UT

Marc W. Buie, Southwest Research Institute

RECON