RECON: TNO occultation with 02QX47

Event between 02QX47 and star GA1060:00159464 with event index number of 151346

Geocentric closest approach at 2018/10/25 06:12:33 UTC

J2000 position of star is 01:34:06.0 +17:21:05
Equinox of date position of star is 01:35:05.8 +17:26:43
Stellar brightness G=14.3, use SENSEUP=64
Star is 16 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 24.8 AU from the Sun and 23.8 AU from the Earth.
The TNO is moving 24.3 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 281 seconds.
The 1-sigma cross-track error in the shadow position is 4018 km.
The sky-plane scale is 17268.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.7
Diameter=108.1 km assuming a 5% albedo -- 4.5 sec chord
Diameter=44.2 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 02QX47, (2018/10/25 06:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.1 +16:32:44  0.8 43.39  31
6Bet Ari       01:55:41.0 +20:53:57  2.6  5.96  14
PPM 117485     01:36:56.1 +17:31:46  6.0  0.44  16
PPM 117453     01:34:31.6 +17:44:34 10.0  0.33  16
02QX47         01:35:07.0 +17:26:50 14.3        16
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 3.2 sigma about the mid-time.
The median site spacing is 20.7 km RECON observability=1.0 and success probability=8.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 06:12:25 -48.2 Dark Up 55.2 151.8 Up 05:57:25 - 06:27:25 5709
Oroville 06:12:27 -48.8 Dark Up 55.8 151.6 Up 05:57:27 - 06:27:27 5659
Tonasket 06:12:27 -49.0 Dark Up 56.0 151.5 Up 05:57:27 - 06:27:27 5641
Okanogan 06:12:28 -49.2 Dark Up 56.2 151.0 Up 05:57:28 - 06:27:28 5619
Brewster 06:12:29 -49.3 Dark Up 56.4 150.5 Up 05:57:29 - 06:27:29 5605
Manson/Chelan 06:12:31 -49.4 Dark Up 56.5 149.7 Up 05:57:31 - 06:27:31 5601
Entiat 06:12:32 -49.5 Dark Up 56.6 149.5 Up 05:57:32 - 06:27:32 5586
Wenatchee 06:12:32 -49.7 Dark Up 56.8 149.1 Up 05:57:32 - 06:27:32 5569
Ellensburg 06:12:34 -49.9 Dark Up 57.1 148.4 Up 05:57:34 - 06:27:34 5544
Yakima 06:12:35 -50.2 Dark Up 57.4 148.1 Up 05:57:35 - 06:27:35 5513
Toppenish/White Swan 06:12:35 -50.5 Dark Up 57.7 148.2 Up 05:57:35 - 06:27:35 5490
Goldendale 06:12:38 -50.7 Dark Up 58.0 147.0 Up 05:57:38 - 06:27:38 5460
The Dalles 06:12:39 -50.8 Dark Up 58.0 146.2 Up 05:57:39 - 06:27:39 5455
Pasco 06:12:32 -51.1 Dark Up 58.2 150.2 Up 05:57:32 - 06:27:32 5436
Maupin 06:12:40 -51.1 Dark Up 58.4 146.0 Up 05:57:40 - 06:27:40 5418
George/Umatilla 06:12:34 -51.3 Dark Up 58.4 149.5 Up 05:57:34 - 06:27:34 5417
PNWRO 06:12:32 -51.4 Dark Up 58.5 150.4 Up 05:57:32 - 06:27:32 5408
Madras/Culver 06:12:42 -51.5 Dark Up 58.9 145.5 Up 05:57:42 - 06:27:42 5375
Sisters 06:12:43 -51.6 Dark Up 59.0 144.4 Up 05:57:43 - 06:27:43 5364
Redmond 06:12:42 -51.8 Dark Up 59.1 145.0 Up 05:57:42 - 06:27:42 5348
Bend 06:12:43 -51.9 Dark Up 59.3 144.6 Up 05:57:43 - 06:27:43 5335
Oregon Observatory 06:12:44 -52.0 Dark Up 59.3 144.2 Up 05:57:44 - 06:27:44 5326
La Pine/Gilchrist 06:12:45 -52.1 Dark Up 59.5 143.9 Up 05:57:45 - 06:27:45 5312
North Lake 06:12:44 -52.7 Dark Up 60.1 144.5 Up 05:57:44 - 06:27:44 5254
Chiloquin 06:12:49 -52.8 Dark Up 60.2 142.2 Up 05:57:49 - 06:27:49 5233
Klamath Falls 06:12:49 -53.0 Dark Up 60.5 142.0 Up 05:57:49 - 06:27:49 5202
Paisley 06:12:45 -53.3 Dark Up 60.7 144.6 Up 05:57:45 - 06:27:45 5195
Tulelake 06:12:49 -53.4 Dark Up 60.9 142.2 Up 05:57:49 - 06:27:49 5168
Lakeview 06:12:45 -53.8 Dark Up 61.2 144.4 Up 05:57:45 - 06:27:45 5146
Fall River/Burney 06:12:51 -54.1 Dark Up 61.6 141.3 Up 05:57:51 - 06:27:51 5089
Cedarville 06:12:46 -54.4 Dark Up 61.8 144.0 Up 05:57:46 - 06:27:46 5084
Susanville 06:12:50 -55.0 Dark Up 62.5 141.9 Up 05:57:50 - 06:27:50 5007
Greenville 06:12:52 -55.0 Dark Up 62.6 141.0 Up 05:57:52 - 06:27:52 4995
Gimple 06:12:52 -55.1 Dark Up 62.6 141.2 Up 05:57:52 - 06:27:52 4992
Quincy 06:12:53 -55.2 Dark Up 62.7 140.8 Up 05:57:53 - 06:27:53 4978
Portola 06:12:51 -55.5 Dark Up 63.0 141.5 Up 05:57:51 - 06:27:51 4949
Reno 06:12:50 -56.0 Dark Up 63.6 142.4 Up 05:57:50 - 06:27:50 4901
Carson City 06:12:51 -56.3 Dark Up 63.9 142.0 Up 05:57:51 - 06:27:51 4869
Gardnerville 06:12:51 -56.5 Dark Up 64.1 141.8 Up 05:57:51 - 06:27:51 4846
Yerington 06:12:50 -56.8 Dark Up 64.3 142.9 Up 05:57:50 - 06:27:50 4827
Hawthorne 06:12:49 -57.4 Dark Up 64.9 143.4 Up 05:57:49 - 06:27:49 4766
Lee Vining 06:12:52 -57.6 Dark Up 65.2 141.7 Up 05:57:52 - 06:27:52 4736
Tonopah 06:12:46 -58.5 Dark Up 66.0 145.6 Up 05:57:46 - 06:27:46 4670
Bishop 06:12:51 -58.4 Dark Up 66.0 142.3 Up 05:57:51 - 06:27:51 4654
Lone Pine 06:12:51 -59.1 Dark Up 66.7 141.9 Up 05:57:51 - 06:27:51 4573
CPSLO 06:13:03 -58.6 Dark Up 66.3 134.9 Up 05:58:03 - 06:28:03 4561
Beatty 06:12:46 -59.6 Dark Up 67.1 145.1 Up 05:57:46 - 06:27:46 4549
Indian Springs 06:12:44 -60.4 Dark Up 67.9 147.0 Up 05:57:44 - 06:27:44 4477
Niwot 06:12:03 -61.1 Dark Up 67.2 174.9 Up 05:57:03 - 06:27:03 4422
Henderson 06:12:43 -61.2 Dark Up 68.6 147.8 Up 05:57:43 - 06:27:43 4402
Wildwood 06:12:59 -60.6 Dark Up 68.4 136.9 Up 05:57:59 - 06:27:59 4368
Searchlight/Boulder City 06:12:44 -61.6 Dark Up 69.1 147.2 Up 05:57:44 - 06:27:44 4346
Laughlin/Bullhead City 06:12:43 -62.0 Dark Up 69.5 147.6 Up 05:57:43 - 06:27:43 4305
Patrick 06:12:41 -62.2 Dark Up 69.6 149.6 Up 05:57:41 - 06:27:41 4300
Kingman/Dolan Springs 06:12:42 -62.3 Dark Up 69.7 148.9 Up 05:57:42 - 06:27:42 4287
Mohave Valley 06:12:44 -62.3 Dark Up 69.8 147.2 Up 05:57:44 - 06:27:44 4280
Idyllwild 06:12:53 -62.0 Dark Up 69.7 140.4 Up 05:57:53 - 06:27:53 4258
DCO 06:12:39 -62.8 Dark Up 70.2 151.0 Up 05:57:39 - 06:27:39 4244
Lake Havasu City 06:12:44 -62.7 Dark Up 70.2 147.2 Up 05:57:44 - 06:27:44 4233
Parker 06:12:45 -63.0 Dark Up 70.5 146.8 Up 05:57:45 - 06:27:45 4199
Blythe 06:12:47 -63.2 Dark Up 70.8 145.2 Up 05:57:47 - 06:27:47 4162
Calipatria 06:12:51 -63.1 Dark Up 70.8 142.1 Up 05:57:51 - 06:27:51 4154
Yuma 06:12:49 -63.9 Dark Up 71.6 143.6 Up 05:57:49 - 06:27:49 4077

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 02QX47, (2018/10/25 06:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 43.39  31
6Bet Ari       01:54:38.5 +20:48:27  2.6  5.96  14
PPM 117485     01:35:55.0 +17:26:02  6.0  0.44  16
PPM 117453     01:33:30.6 +17:38:48 10.0  0.33  16
02QX47         01:34:06.0 +17:21:05 14.3        16
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:31:13 UT

Marc W. Buie, Southwest Research Institute

RECON