RECON: TNO occultation with 10RO64

Event between 10RO64 and star UC4-443-002036 with event index number of 215739

Geocentric closest approach at 2019/10/18 04:05:39 UTC

J2000 position of star is 01:39:45.7 -01:27:21
Equinox of date position of star is 01:40:40.6 -01:21:55
Stellar brightness R=16.4, use SENSEUP=128
Star is 51 degrees from the moon. Moon is 83% illuminated.
TNO apparent brightness V=21.4

[RECON map]
TNO is 41.2 AU from the Sun and 40.2 AU from the Earth.
The TNO is moving 25.1 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 207 seconds.
The 1-sigma cross-track error in the shadow position is 4116 km.
The sky-plane scale is 29177.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.3
Diameter=534.6 km assuming a 5% albedo -- 21.3 sec chord
Diameter=218.2 km assuming a 30% albedo -- 8.7 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10RO64, (2019/10/18 04:06UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:44.4 -29:31:01  1.2 47.69  98
68Omi Cet      02:20:20.9 -02:53:19  2.0 10.01  43
PPM 183660     01:38:52.3 -03:20:26  6.5  2.04  53
PPM 174965     01:43:25.9 -00:56:15  8.3  0.79  50
PPM 174951     01:40:13.0 -01:28:53  9.5  0.19  51
10RO64         01:40:46.3 -01:21:21 16.4        51
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 4.3 sigma about the mid-time.
The median site spacing is 13.3 km RECON observability=1.0 and success probability=4.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 04:06:48 -30.3 Dark Up 20.2 117.6 Low 03:51:48 - 04:21:48 6213
Tonasket 04:06:48 -30.4 Dark Up 20.3 117.5 Low 03:51:48 - 04:21:48 6202
Okanogan 04:06:48 -30.4 Dark Up 20.4 117.3 Low 03:51:48 - 04:21:48 6189
Brewster 04:06:48 -30.4 Dark Up 20.4 117.0 Low 03:51:48 - 04:21:48 6179
Manson/Chelan 04:06:48 -30.3 Dark Up 20.2 116.6 Low 03:51:48 - 04:21:48 6174
Entiat 04:06:48 -30.3 Dark Up 20.3 116.5 Low 03:51:48 - 04:21:48 6165
Wenatchee 04:06:48 -30.3 Dark Up 20.4 116.3 Low 03:51:48 - 04:21:48 6155
Ellensburg 04:06:48 -30.3 Dark Up 20.4 116.0 Low 03:51:48 - 04:21:48 6139
Yakima 04:06:48 -30.5 Dark Up 20.6 115.9 Low 03:51:48 - 04:21:48 6121
Toppenish/White Swan 04:06:48 -30.6 Dark Up 20.8 115.9 Low 03:51:48 - 04:21:48 6109
Goldendale 04:06:48 -30.5 Dark Up 20.7 115.4 Low 03:51:48 - 04:21:48 6090
Pasco 04:06:48 -31.5 Dark Up 21.6 117.0 Low 03:51:48 - 04:21:48 6086
The Dalles 04:06:48 -30.4 Dark Up 20.6 115.0 Low 03:51:48 - 04:21:48 6085
George/Umatilla 04:06:48 -31.5 Dark Up 21.6 116.7 Low 03:51:48 - 04:21:48 6073
PNWRO 04:06:48 -31.7 Dark Up 21.9 117.1 Low 03:51:48 - 04:21:48 6071
Maupin 04:06:48 -30.6 Dark Up 20.8 114.9 Low 03:51:48 - 04:21:48 6065
Madras/Culver 04:07:09 -30.8 Dark Up 21.1 114.8 Low 03:52:09 - 04:22:09 6017
Sisters 04:07:11 -30.6 Dark Up 21.0 114.3 Low 03:52:11 - 04:22:11 6004
Redmond 04:07:10 -30.9 Dark Up 21.2 114.6 Low 03:52:10 - 04:22:10 5998
Bend 04:07:11 -30.8 Dark Up 21.2 114.4 Low 03:52:11 - 04:22:11 5988
Oregon Observatory 04:07:12 -30.8 Dark Up 21.2 114.3 Low 03:52:12 - 04:22:12 5980
La Pine/Gilchrist 04:07:13 -30.8 Dark Up 21.3 114.2 Low 03:52:13 - 04:22:13 5970
North Lake 04:07:13 -31.4 Dark Up 21.8 114.5 Low 03:52:13 - 04:22:13 5938
Chiloquin 04:07:17 -30.9 Dark Up 21.5 113.5 Low 03:52:17 - 04:22:17 5912
Paisley 04:07:15 -31.8 Dark Up 22.3 114.6 Low 03:52:15 - 04:22:15 5903
Klamath Falls 04:07:18 -31.1 Dark Up 21.7 113.4 Low 03:52:18 - 04:22:18 5891
Tulelake 04:07:19 -31.4 Dark Up 22.0 113.6 Low 03:52:19 - 04:22:19 5872
Lakeview 04:07:16 -32.1 Dark Up 22.7 114.5 Low 03:52:16 - 04:22:16 5872
Cedarville 04:07:18 -32.4 Dark Up 23.1 114.4 Low 03:52:18 - 04:22:18 5831
Fall River/Burney 04:07:22 -31.7 Dark Up 22.4 113.3 Low 03:52:22 - 04:22:22 5818
Susanville 04:07:23 -32.4 Dark Up 23.2 113.6 Low 03:52:23 - 04:22:23 5771
Greenville 04:07:24 -32.3 Dark Up 23.1 113.3 Low 03:52:24 - 04:22:24 5758
Gimple 04:07:24 -32.4 Dark Up 23.2 113.4 Low 03:52:24 - 04:22:24 5757
Quincy 04:07:25 -32.4 Dark Up 23.2 113.2 Low 03:52:25 - 04:22:25 5745
Portola 04:07:24 -32.7 Dark Up 23.6 113.6 Low 03:52:24 - 04:22:24 5732
Reno 04:07:24 -33.3 Dark Up 24.1 114.0 Low 03:52:24 - 04:22:24 5707
Carson City 04:07:25 -33.4 Dark Up 24.3 113.8 Low 03:52:25 - 04:22:25 5684
Gardnerville 04:07:26 -33.5 Dark Up 24.4 113.8 Low 03:52:26 - 04:22:26 5668
Yerington 04:07:25 -34.0 Dark Up 24.8 114.2 Low 03:52:25 - 04:22:25 5664
Hawthorne 04:07:25 -34.5 Dark Up 25.4 114.5 Low 03:52:25 - 04:22:25 5627
Lee Vining 04:07:28 -34.3 Dark Up 25.3 113.8 Low 03:52:28 - 04:22:28 5597
Tonopah 04:07:24 -35.7 Dark Up 26.6 115.3 Low 03:52:24 - 04:22:24 5577
Bishop 04:07:28 -35.0 Dark Up 26.1 114.1 Low 03:52:28 - 04:22:28 5548
Niwot 04:06:48 -43.3 Dark Up 33.5 126.6 Up 03:51:48 - 04:21:48 5511
Beatty 04:07:27 -36.4 Dark Up 27.4 115.2 Low 03:52:27 - 04:22:27 5494
Lone Pine 04:07:30 -35.5 Dark Up 26.6 114.0 Low 03:52:30 - 04:22:30 5493
Indian Springs 04:07:26 -37.3 Dark Up 28.3 115.9 Low 03:52:26 - 04:22:26 5456
CPSLO 04:07:39 -33.8 Dark Up 25.2 111.6 Low 03:52:39 - 04:22:39 5442
Henderson 04:07:26 -38.0 Dark Up 29.1 116.1 Low 03:52:26 - 04:22:26 5409
Searchlight/Boulder City 04:07:27 -38.2 Dark Up 29.4 115.9 Low 03:52:27 - 04:22:27 5368
Patrick 04:07:25 -39.1 Dark Up 30.2 116.7 Up 03:52:25 - 04:22:25 5348
Laughlin/Bullhead City 04:07:27 -38.6 Dark Up 29.8 116.0 Low 03:52:27 - 04:22:27 5342
Kingman/Dolan Springs 04:07:27 -39.0 Dark Up 30.1 116.4 Up 03:52:27 - 04:22:27 5335
Wildwood 04:07:39 -35.7 Dark Up 27.2 112.5 Low 03:52:39 - 04:22:39 5329
Mohave Valley 04:07:28 -38.7 Dark Up 29.9 115.9 Low 03:52:28 - 04:22:28 5323
DCO 04:07:25 -39.7 Dark Up 30.8 117.1 Up 03:52:25 - 04:22:25 5315
Lake Havasu City 04:07:29 -39.0 Dark Up 30.3 115.9 Up 03:52:29 - 04:22:29 5291
Idyllwild 04:07:36 -37.3 Dark Up 28.8 113.7 Low 03:52:36 - 04:22:36 5275
Parker 04:07:30 -39.1 Dark Up 30.4 115.7 Up 03:52:30 - 04:22:30 5265
Blythe 04:07:32 -39.1 Dark Up 30.4 115.2 Up 03:52:32 - 04:22:32 5233
Calipatria 04:07:36 -38.4 Dark Up 30.0 114.3 Low 03:52:36 - 04:22:36 5212
Yuma 04:07:35 -39.3 Dark Up 30.8 114.7 Up 03:52:35 - 04:22:35 5166

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 10RO64, (2019/10/18 04:06UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 47.69  98
68Omi Cet      02:19:20.8 -02:58:44  2.0 10.01  43
PPM 183660     01:37:52.1 -03:26:27  6.5  2.04  53
PPM 174965     01:42:25.2 -01:02:13  8.3  0.79  50
PPM 174951     01:39:12.4 -01:34:53  9.5  0.19  51
10RO64         01:39:45.7 -01:27:21 16.4        51
Positions are for J2000

Event circumstances last updated at 2017/12/06 19:24:25 UT

Marc W. Buie, Southwest Research Institute

RECON