RECON: TNO occultation with 10RO64

Event between 10RO64 and star GA0880:00137277 with event index number of 215739

Geocentric closest approach at 2019/10/18 04:00:57 UTC

J2000 position of star is 01:39:45.7 -01:27:21
Equinox of date position of star is 01:40:42.1 -01:21:46
Stellar brightness G=16.3, 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 204 seconds.
The 1-sigma cross-track error in the shadow position is 4219 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 04:01UT)
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 16.3        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 4.4 sigma about the mid-time.
The median site spacing is 16.2 km RECON observability=0.8 and success probability=1.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 04:02:10 -29.3 Dark Up 19.2 116.7 Really Low 03:47:10 - 04:17:10 10636
Oroville 04:02:11 -29.6 Dark Up 19.5 116.6 Really Low 03:47:11 - 04:17:11 10608
Tonasket 04:02:13 -29.7 Dark Up 19.6 116.5 Really Low 03:47:13 - 04:17:13 10597
Okanogan 04:02:14 -29.7 Dark Up 19.7 116.3 Really Low 03:47:14 - 04:17:14 10583
Brewster 04:02:15 -29.7 Dark Up 19.7 116.0 Really Low 03:47:15 - 04:17:15 10572
Manson/Chelan 04:02:17 -29.5 Dark Up 19.6 115.7 Really Low 03:47:17 - 04:17:17 10566
Entiat 04:02:18 -29.6 Dark Up 19.6 115.5 Really Low 03:47:18 - 04:17:18 10556
Wenatchee 04:02:18 -29.6 Dark Up 19.7 115.4 Really Low 03:47:18 - 04:17:18 10545
Ellensburg 04:02:20 -29.6 Dark Up 19.7 115.1 Really Low 03:47:20 - 04:17:20 10527
Yakima 04:02:22 -29.7 Dark Up 19.9 114.9 Really Low 03:47:22 - 04:17:22 10507
Toppenish/White Swan 04:02:22 -29.9 Dark Up 20.1 115.0 Low 03:47:22 - 04:17:22 10494
Pasco 04:02:21 -30.8 Dark Up 20.9 116.0 Low 03:47:21 - 04:17:21 10474
Goldendale 04:02:25 -29.8 Dark Up 20.0 114.5 Low 03:47:25 - 04:17:25 10471
The Dalles 04:02:26 -29.7 Dark Up 19.9 114.1 Really Low 03:47:26 - 04:17:26 10463
George/Umatilla 04:02:22 -30.8 Dark Up 20.9 115.7 Low 03:47:22 - 04:17:22 10459
PNWRO 04:02:21 -31.0 Dark Up 21.2 116.1 Low 03:47:21 - 04:17:21 10459
Maupin 04:02:27 -29.9 Dark Up 20.1 114.1 Low 03:47:27 - 04:17:27 10441
Madras/Culver 04:02:29 -30.0 Dark Up 20.3 113.8 Low 03:47:29 - 04:17:29 10412
Sisters 04:02:32 -29.8 Dark Up 20.2 113.4 Low 03:47:32 - 04:17:32 10399
Redmond 04:02:31 -30.1 Dark Up 20.5 113.7 Low 03:47:31 - 04:17:31 10394
Bend 04:02:32 -30.1 Dark Up 20.5 113.5 Low 03:47:32 - 04:17:32 10384
Oregon Observatory 04:02:33 -30.0 Dark Up 20.4 113.3 Low 03:47:33 - 04:17:33 10376
La Pine/Gilchrist 04:02:33 -30.0 Dark Up 20.5 113.2 Low 03:47:33 - 04:17:33 10365
North Lake 04:02:34 -30.6 Dark Up 21.1 113.6 Low 03:47:34 - 04:17:34 10334
Chiloquin 04:02:38 -30.1 Dark Up 20.7 112.6 Low 03:47:38 - 04:17:38 10307
Paisley 04:02:36 -31.0 Dark Up 21.5 113.6 Low 03:47:36 - 04:17:36 10299
Klamath Falls 04:02:39 -30.3 Dark Up 20.9 112.5 Low 03:47:39 - 04:17:39 10287
Lakeview 04:02:37 -31.3 Dark Up 21.9 113.6 Low 03:47:37 - 04:17:37 10268
Tulelake 04:02:39 -30.6 Dark Up 21.2 112.7 Low 03:47:39 - 04:17:39 10268
Cedarville 04:02:39 -31.6 Dark Up 22.3 113.5 Low 03:47:39 - 04:17:39 10228
Fall River/Burney 04:02:42 -30.9 Dark Up 21.6 112.4 Low 03:47:42 - 04:17:42 10214
Susanville 04:02:43 -31.6 Dark Up 22.4 112.7 Low 03:47:43 - 04:17:43 10168
Greenville 04:02:45 -31.4 Dark Up 22.3 112.4 Low 03:47:45 - 04:17:45 10155
Gimple 04:02:44 -31.5 Dark Up 22.3 112.5 Low 03:47:44 - 04:17:44 10153
Quincy 04:02:45 -31.5 Dark Up 22.4 112.3 Low 03:47:45 - 04:17:45 10142
Portola 04:02:45 -31.9 Dark Up 22.7 112.7 Low 03:47:45 - 04:17:45 10129
Reno 04:02:45 -32.4 Dark Up 23.3 113.1 Low 03:47:45 - 04:17:45 10104
Carson City 04:02:46 -32.6 Dark Up 23.5 112.9 Low 03:47:46 - 04:17:46 10082
Gardnerville 04:02:47 -32.7 Dark Up 23.6 112.9 Low 03:47:47 - 04:17:47 10066
Yerington 04:02:46 -33.1 Dark Up 24.0 113.3 Low 03:47:46 - 04:17:46 10061
Hawthorne 04:02:46 -33.6 Dark Up 24.6 113.6 Low 03:47:46 - 04:17:46 10025
Lee Vining 04:02:49 -33.4 Dark Up 24.4 113.0 Low 03:47:49 - 04:17:49 9995
Tonopah 04:02:45 -34.8 Dark Up 25.8 114.4 Low 03:47:45 - 04:17:45 9976
Bishop 04:02:49 -34.1 Dark Up 25.2 113.2 Low 03:47:49 - 04:17:49 9947
Niwot 04:02:14 -42.6 Dark Up 32.8 125.6 Up 03:47:14 - 04:17:14 9914
Beatty 04:02:48 -35.5 Dark Up 26.6 114.3 Low 03:47:48 - 04:17:48 9894
Lone Pine 04:02:51 -34.6 Dark Up 25.8 113.2 Low 03:47:51 - 04:17:51 9892
Indian Springs 04:02:47 -36.4 Dark Up 27.5 115.0 Low 03:47:47 - 04:17:47 9856
CPSLO 04:03:00 -32.9 Dark Down 24.3 110.7 Low 03:48:00 - 04:18:00 9840
Henderson 04:02:47 -37.1 Dark Up 28.2 115.2 Low 03:47:47 - 04:17:47 9809
Searchlight/Boulder City 04:02:48 -37.3 Dark Up 28.5 115.0 Low 03:47:48 - 04:17:48 9769
Patrick 04:02:47 -38.2 Dark Up 29.3 115.8 Low 03:47:47 - 04:17:47 9749
Laughlin/Bullhead City 04:02:49 -37.7 Dark Up 28.9 115.1 Low 03:47:49 - 04:17:49 9743
Kingman/Dolan Springs 04:02:48 -38.1 Dark Up 29.3 115.5 Low 03:47:48 - 04:17:48 9736
Wildwood 04:03:00 -34.8 Dark Up 26.3 111.7 Low 03:48:00 - 04:18:00 9728
Mohave Valley 04:02:50 -37.8 Dark Up 29.0 115.0 Low 03:47:50 - 04:17:50 9724
DCO 04:02:46 -38.8 Dark Up 30.0 116.2 Low 03:47:46 - 04:17:46 9716
Lake Havasu City 04:02:51 -38.1 Dark Up 29.4 115.0 Low 03:47:51 - 04:17:51 9692
Idyllwild 04:02:58 -36.4 Dark Up 27.9 112.8 Low 03:47:58 - 04:17:58 9675
Parker 04:02:51 -38.2 Dark Up 29.6 114.8 Low 03:47:51 - 04:17:51 9667
Blythe 04:02:53 -38.1 Dark Up 29.6 114.3 Low 03:47:53 - 04:17:53 9634
Calipatria 04:02:57 -37.5 Dark Up 29.1 113.4 Low 03:47:57 - 04:17:57 9613
Yuma 04:02:56 -38.3 Dark Up 29.9 113.8 Low 03:47:56 - 04:17:56 9568

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 04:01UT)
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 16.3        51
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:19:55 UT

Marc W. Buie, Southwest Research Institute

RECON