RECON: TNO occultation with 14QP441

Event between 14QP441 and star GA0880:00235566 with event index number of 310650

Geocentric closest approach at 2018/12/13 03:44:54 UTC

J2000 position of star is 02:52:05.3 -00:47:34
Equinox of date position of star is 02:53:02.9 -00:42:59
Stellar brightness G=16.7, use SENSEUP=128
Star is 75 degrees from the moon. Moon is 29% illuminated.
TNO apparent brightness V=24.5

[RECON map]
TNO is 28.9 AU from the Sun and 28.2 AU from the Earth.
The TNO is moving 18.6 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 224 seconds.
The 1-sigma cross-track error in the shadow position is 2771 km.
The sky-plane scale is 20467.6 km/arcsec.

The TNO has an absolute magnitude Hv=9.8
Diameter=66.1 km assuming a 5% albedo -- 3.6 sec chord
Diameter=27.0 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 14QP441, (2018/12/13 03:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.6 +16:32:45  0.8 30.90 104
Menkar         03:03:16.3 +04:09:47  2.5  5.51  78
PPM 185242     02:59:39.4 -02:42:30  5.3  2.59  76
PPM 175206     02:53:09.7 -00:34:25  8.3  0.14  75
14QP441        02:53:03.3 -00:42:57 16.7        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 4.0 sigma about the mid-time.
The median site spacing is 19.7 km RECON observability=1.0 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 03:46:40 -35.9 Dark Up 35.3 150.2 Up 03:31:40 - 04:01:40 10634
Summerland 03:46:41 -35.6 Dark Up 35.2 149.7 Up 03:31:41 - 04:01:41 10629
Penticton 03:46:41 -35.8 Dark Up 35.6 149.8 Up 03:31:41 - 04:01:41 10607
Okanagan Falls 03:46:41 -35.8 Dark Up 35.7 149.7 Up 03:31:41 - 04:01:41 10593
Oliver 03:46:41 -35.8 Dark Up 35.9 149.7 Up 03:31:41 - 04:01:41 10581
Anarchist Mountain Observatory 03:46:41 -36.0 Dark Up 36.1 149.9 Up 03:31:41 - 04:01:41 10569
Oroville 03:46:41 -35.9 Dark Up 36.1 149.8 Up 03:31:41 - 04:01:41 10563
Tonasket 03:46:42 -35.9 Dark Up 36.3 149.7 Up 03:31:42 - 04:01:42 10546
Okanogan 03:46:43 -35.9 Dark Up 36.6 149.4 Up 03:31:43 - 04:01:43 10520
Brewster 03:46:44 -35.8 Dark Up 36.7 149.1 Up 03:31:44 - 04:01:44 10499
Manson/Chelan 03:46:46 -35.5 Dark Up 36.8 148.5 Up 03:31:46 - 04:01:46 10482
Entiat 03:46:46 -35.5 Dark Up 37.0 148.4 Up 03:31:46 - 04:01:46 10465
Wenatchee 03:46:47 -35.5 Dark Up 37.1 148.2 Up 03:31:47 - 04:01:47 10445
Ellensburg 03:46:48 -35.3 Dark Up 37.4 147.7 Up 03:31:48 - 04:01:48 10412
Yakima 03:46:49 -35.4 Dark Up 37.8 147.6 Up 03:31:49 - 04:01:49 10381
Toppenish/White Swan 03:46:49 -35.5 Dark Up 38.0 147.7 Up 03:31:49 - 04:01:49 10365
Pasco 03:46:44 -36.4 Dark Up 38.6 149.1 Up 03:31:44 - 04:01:44 10361
PNWRO 03:46:44 -36.5 Dark Up 38.8 149.3 Up 03:31:44 - 04:01:44 10343
George/Umatilla 03:46:46 -36.2 Dark Up 38.8 148.7 Up 03:31:46 - 04:01:46 10334
Goldendale 03:46:51 -35.2 Dark Up 38.3 146.9 Up 03:31:51 - 04:01:51 10320
The Dalles 03:46:53 -35.0 Dark Up 38.4 146.4 Up 03:31:53 - 04:01:53 10300
Maupin 03:46:53 -35.1 Dark Up 38.7 146.4 Up 03:31:53 - 04:01:53 10268
Madras/Culver 03:46:54 -35.0 Dark Up 39.2 146.1 Up 03:31:54 - 04:01:54 10224
Sisters 03:46:56 -34.7 Dark Up 39.3 145.4 Up 03:31:56 - 04:01:56 10195
Redmond 03:46:55 -35.0 Dark Up 39.5 145.9 Up 03:31:55 - 04:01:55 10195
Bend 03:46:56 -34.9 Dark Up 39.6 145.6 Up 03:31:56 - 04:01:56 10177
Oregon Observatory 03:46:56 -34.8 Dark Up 39.7 145.4 Up 03:31:56 - 04:01:56 10163
La Pine/Gilchrist 03:46:57 -34.8 Dark Up 39.8 145.2 Up 03:31:57 - 04:01:57 10146
North Lake 03:46:56 -35.2 Dark Up 40.4 145.7 Up 03:31:56 - 04:01:56 10113
Paisley 03:46:55 -35.5 Dark Up 41.0 145.9 Up 03:31:55 - 04:01:55 10069
Chiloquin 03:47:00 -34.5 Dark Up 40.6 144.2 Up 03:32:00 - 04:02:00 10053
Lakeview 03:46:55 -35.6 Dark Up 41.5 145.8 Up 03:31:55 - 04:01:55 10028
Klamath Falls 03:47:00 -34.6 Dark Up 40.9 144.2 Up 03:32:00 - 04:02:00 10025
Tulelake 03:47:00 -34.8 Dark Up 41.2 144.4 Up 03:32:00 - 04:02:00 10004
Cedarville 03:46:55 -35.8 Dark Up 42.1 145.7 Up 03:31:55 - 04:01:55 9974
Niwot 03:45:53 -47.0 Dark Up 48.1 165.0 Up 03:30:53 - 04:00:53 9929
Fall River/Burney 03:47:00 -34.8 Dark Up 42.0 144.0 Up 03:32:00 - 04:02:00 9927
Susanville 03:46:59 -35.4 Dark Up 42.9 144.6 Up 03:31:59 - 04:01:59 9877
Gimple 03:47:00 -35.2 Dark Up 43.0 144.2 Up 03:32:00 - 04:02:00 9853
Greenville 03:47:00 -35.2 Dark Up 43.0 144.1 Up 03:32:00 - 04:02:00 9852
Quincy 03:47:00 -35.2 Dark Up 43.1 144.0 Up 03:32:00 - 04:02:00 9835
Portola 03:46:59 -35.5 Dark Up 43.4 144.5 Up 03:31:59 - 04:01:59 9827
Reno 03:46:56 -36.0 Dark Up 43.9 145.1 Up 03:31:56 - 04:01:56 9807
Carson City 03:46:56 -36.0 Dark Up 44.2 145.0 Up 03:31:56 - 04:01:56 9776
Yerington 03:46:54 -36.5 Dark Up 44.7 145.6 Up 03:31:54 - 04:01:54 9762
Gardnerville 03:46:57 -36.0 Dark Up 44.5 144.9 Up 03:31:57 - 04:01:57 9755
Hawthorne 03:46:53 -36.9 Dark Up 45.3 146.0 Up 03:31:53 - 04:01:53 9724
Tonopah 03:46:47 -38.0 Dark Up 46.3 147.6 Up 03:31:47 - 04:01:47 9691
Lee Vining 03:46:55 -36.5 Dark Up 45.5 145.1 Up 03:31:55 - 04:01:55 9672
Bishop 03:46:53 -37.0 Dark Up 46.4 145.7 Up 03:31:53 - 04:01:53 9623
Beatty 03:46:46 -38.3 Dark Up 47.4 147.5 Up 03:31:46 - 04:01:46 9590
Indian Springs 03:46:42 -39.1 Dark Up 48.2 148.8 Up 03:31:42 - 04:01:42 9567
Lone Pine 03:46:52 -37.2 Dark Up 47.1 145.6 Up 03:31:52 - 04:01:52 9557
Henderson 03:46:39 -39.7 Dark Up 48.9 149.4 Up 03:31:39 - 04:01:39 9523
Patrick 03:46:35 -40.5 Dark Up 49.9 150.6 Up 03:31:35 - 04:01:35 9472
Searchlight/Boulder City 03:46:39 -39.7 Dark Up 49.4 149.1 Up 03:31:39 - 04:01:39 9471
Kingman/Dolan Springs 03:46:36 -40.4 Dark Up 50.0 150.2 Up 03:31:36 - 04:01:36 9451
DCO 03:46:32 -41.1 Dark Up 50.5 151.4 Up 03:31:32 - 04:01:32 9448
Laughlin/Bullhead City 03:46:38 -40.0 Dark Up 49.8 149.4 Up 03:31:38 - 04:01:38 9446
CPSLO 03:47:05 -35.1 Dark Up 47.0 141.5 Up 03:32:05 - 04:02:05 9426
Mohave Valley 03:46:38 -40.0 Dark Up 50.1 149.3 Up 03:31:38 - 04:01:38 9421
Lake Havasu City 03:46:38 -40.1 Dark Up 50.5 149.4 Up 03:31:38 - 04:01:38 9386
Parker 03:46:38 -40.1 Dark Up 50.8 149.2 Up 03:31:38 - 04:01:38 9353
Wildwood 03:46:57 -36.6 Dark Up 48.9 143.3 Up 03:31:57 - 04:01:57 9326
Blythe 03:46:39 -39.9 Dark Up 51.2 148.5 Up 03:31:39 - 04:01:39 9303
Idyllwild 03:46:49 -38.2 Dark Up 50.1 145.6 Up 03:31:49 - 04:01:49 9303
Calipatria 03:46:44 -39.1 Dark Up 51.2 146.8 Up 03:31:44 - 04:01:44 9252
Yuma 03:46:40 -39.8 Dark Up 51.9 147.8 Up 03:31:40 - 04:01:40 9217

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 14QP441, (2018/12/13 03:45UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 30.90 104
Menkar         03:02:16.8 +04:05:21  2.5  5.51  78
PPM 185242     02:58:42.0 -02:47:00  5.3  2.59  76
PPM 175206     02:52:11.7 -00:39:02  8.3  0.14  75
14QP441        02:52:05.3 -00:47:34 16.7        75
Positions are for J2000

Event circumstances last updated at 2018/10/19 22:10:07 UT

Marc W. Buie, Southwest Research Institute

RECON