RECON: TNO occultation with 01FM194

Event between 01FM194 and star GA0920:03915264 with event index number of 183014

Geocentric closest approach at 2019/03/12 11:47:02 UTC

J2000 position of star is 14:32:29.9 +02:24:44
Equinox of date position of star is 14:33:27.2 +02:19:48
Stellar brightness G=15.0, use SENSEUP=128
Star is 154 degrees from the moon. Moon is 30% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 34.4 AU from the Sun and 33.7 AU from the Earth.
The TNO is moving 18.0 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 321 seconds.
The 1-sigma cross-track error in the shadow position is 5925 km.
The sky-plane scale is 24454.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=182.8 km assuming a 5% albedo -- 10.2 sec chord
Diameter=74.6 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 01FM194, (2019/03/12 11:47UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:16:32.3 +19:05:00  0.0 17.26 139
27Bet Lib      15:18:02.5 -09:27:09  2.6 16.19 171
PPM 160701     14:30:49.4 +00:44:40  6.0  1.72 155
PPM 160676     14:29:29.2 +02:42:15  7.6  1.06 153
PPM 160744     14:33:55.8 +02:12:28 10.0  0.17 155
01FM194        14:33:28.3 +02:19:42 15.0       155
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 2.8 sigma about the mid-time.
The median site spacing is 6.3 km RECON observability=1.0 and success probability=5.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 11:48:27 -17.7 AT Down 46.6 215.7 Up 11:33:27 - 12:03:27 4584
Kelowna 11:49:42 -24.1 Dark Down 41.8 193.1 Up 11:34:42 - 12:04:42 4207
Summerland 11:49:43 -24.3 Dark Down 41.9 192.7 Up 11:34:43 - 12:04:43 4186
Penticton 11:49:40 -24.3 Dark Down 42.2 193.0 Up 11:34:40 - 12:04:40 4182
Okanagan Falls 11:49:41 -24.4 Dark Down 42.4 193.0 Up 11:34:41 - 12:04:41 4173
Anarchist Mountain Observatory 11:49:39 -24.4 Dark Down 42.7 193.3 Up 11:34:39 - 12:04:39 4170
Oliver 11:49:40 -24.5 Dark Down 42.5 193.0 Up 11:34:40 - 12:04:40 4167
Oroville 11:49:38 -24.5 Dark Down 42.7 193.2 Up 11:34:38 - 12:04:38 4163
Tonasket 11:49:37 -24.6 Dark Down 43.0 193.3 Up 11:34:37 - 12:04:37 4153
Okanogan 11:49:37 -24.9 Dark Down 43.3 193.2 Up 11:34:37 - 12:04:37 4130
Brewster 11:49:37 -25.1 Dark Down 43.6 192.9 Up 11:34:37 - 12:04:37 4107
Manson/Chelan 11:49:37 -25.4 Dark Down 43.9 192.5 Up 11:34:37 - 12:04:37 4078
Entiat 11:49:36 -25.5 Dark Down 44.1 192.4 Up 11:34:36 - 12:04:36 4065
PNWRO 11:49:27 -25.4 Dark Down 45.5 194.6 Up 11:34:27 - 12:04:27 4061
Pasco 11:49:28 -25.5 Dark Down 45.3 194.2 Up 11:34:28 - 12:04:28 4060
Wenatchee 11:49:34 -25.7 Dark Down 44.4 192.3 Up 11:34:34 - 12:04:34 4048
George/Umatilla 11:49:27 -25.7 Dark Down 45.7 194.0 Up 11:34:27 - 12:04:27 4032
Ellensburg 11:49:35 -26.0 Dark Down 44.8 192.1 Up 11:34:35 - 12:04:35 4016
Yakima 11:49:34 -26.2 Dark Down 45.2 192.2 Up 11:34:34 - 12:04:34 3997
Toppenish/White Swan 11:49:31 -26.2 Dark Down 45.4 192.4 Up 11:34:31 - 12:04:31 3996
Goldendale 11:49:31 -26.7 Dark Down 46.0 191.9 Up 11:34:31 - 12:04:31 3946
The Dalles 11:49:32 -27.0 Dark Down 46.3 191.5 Up 11:34:32 - 12:04:32 3914
Maupin 11:49:30 -27.2 Dark Down 46.7 191.7 Up 11:34:30 - 12:04:30 3900
Madras/Culver 11:49:28 -27.4 Dark Down 47.2 191.7 Up 11:34:28 - 12:04:28 3871
DCO 11:48:27 -25.0 Dark Down 54.2 207.5 Up 11:33:27 - 12:03:27 3865
Redmond 11:49:25 -27.6 Dark Down 47.6 191.7 Up 11:34:25 - 12:04:25 3850
Patrick 11:48:28 -25.5 Dark Down 54.2 206.2 Up 11:33:28 - 12:03:28 3836
Bend 11:49:25 -27.8 Dark Down 47.8 191.6 Up 11:34:25 - 12:04:25 3831
Sisters 11:49:28 -27.8 Dark Down 47.6 191.2 Up 11:34:28 - 12:04:28 3828
Oregon Observatory 11:49:26 -27.9 Dark Down 48.0 191.4 Up 11:34:26 - 12:04:26 3815
North Lake 11:49:20 -27.9 Dark Down 48.5 192.3 Up 11:34:20 - 12:04:20 3813
Kingman/Dolan Springs 11:48:28 -25.7 Dark Down 54.5 206.0 Up 11:33:28 - 12:03:28 3812
Paisley 11:49:18 -27.9 Dark Down 49.0 193.0 Up 11:34:18 - 12:04:18 3806
La Pine/Gilchrist 11:49:24 -28.1 Dark Down 48.2 191.4 Up 11:34:24 - 12:04:24 3801
Henderson 11:48:34 -26.2 Dark Down 54.0 204.1 Up 11:33:34 - 12:03:34 3798
Lakeview 11:49:16 -27.9 Dark Down 49.5 193.4 Up 11:34:16 - 12:04:16 3792
Indian Springs 11:48:39 -26.6 Dark Down 53.7 202.7 Up 11:33:39 - 12:03:39 3783
Laughlin/Bullhead City 11:48:30 -26.1 Dark Down 54.7 205.2 Up 11:33:30 - 12:03:30 3778
Searchlight/Boulder City 11:48:32 -26.3 Dark Down 54.5 204.5 Up 11:33:32 - 12:03:32 3772
Cedarville 11:49:13 -28.1 Dark Down 50.1 193.9 Up 11:34:13 - 12:04:13 3768
Tonopah 11:48:50 -27.2 Dark Down 52.8 199.6 Up 11:33:50 - 12:03:50 3766
Mohave Valley 11:48:29 -26.2 Dark Down 54.9 205.4 Up 11:33:29 - 12:03:29 3763
Lake Havasu City 11:48:27 -26.1 Dark Down 55.2 206.0 Up 11:33:27 - 12:03:27 3758
Parker 11:48:23 -26.2 Dark Down 55.5 206.3 Up 11:33:23 - 12:03:23 3740
Beatty 11:48:44 -27.3 Dark Down 53.7 200.8 Up 11:33:44 - 12:03:44 3732
Chiloquin 11:49:22 -28.8 Dark Down 49.3 191.1 Up 11:34:22 - 12:04:22 3722
Tulelake 11:49:18 -28.8 Dark Down 49.9 191.8 Up 11:34:18 - 12:04:18 3713
Klamath Falls 11:49:20 -28.9 Dark Down 49.7 191.3 Up 11:34:20 - 12:04:20 3709
Hawthorne 11:48:56 -28.1 Dark Down 52.7 197.2 Up 11:33:56 - 12:03:56 3703
Yerington 11:49:00 -28.3 Dark Down 52.3 196.2 Up 11:34:00 - 12:04:00 3695
Blythe 11:48:23 -26.6 Dark Down 56.1 206.1 Up 11:33:23 - 12:03:23 3692
Reno 11:49:03 -28.6 Dark Down 51.9 195.0 Up 11:34:03 - 12:04:03 3684
Susanville 11:49:10 -28.8 Dark Down 51.3 193.4 Up 11:34:10 - 12:04:10 3680
Fall River/Burney 11:49:13 -29.1 Dark Down 50.8 192.1 Up 11:34:13 - 12:04:13 3669
Carson City 11:49:03 -28.7 Dark Down 52.3 195.1 Up 11:34:03 - 12:04:03 3666
Portola 11:49:07 -28.9 Dark Down 51.8 193.9 Up 11:34:07 - 12:04:07 3659
Gardnerville 11:49:02 -28.8 Dark Down 52.5 195.3 Up 11:34:02 - 12:04:02 3656
Bishop 11:48:51 -28.3 Dark Down 53.7 198.0 Up 11:33:51 - 12:03:51 3654
Gimple 11:49:09 -29.1 Dark Down 51.6 193.2 Up 11:34:09 - 12:04:09 3652
Greenville 11:49:10 -29.2 Dark Down 51.6 193.0 Up 11:34:10 - 12:04:10 3647
Lee Vining 11:48:56 -28.7 Dark Down 53.3 196.6 Up 11:33:56 - 12:03:56 3641
Yuma 11:48:17 -26.8 Dark Down 56.9 206.6 Up 11:33:17 - 12:03:17 3637
Quincy 11:49:08 -29.2 Dark Down 51.8 193.1 Up 11:34:08 - 12:04:08 3637
Lone Pine 11:48:46 -28.4 Dark Down 54.4 198.8 Up 11:33:46 - 12:03:46 3633
Calipatria 11:48:23 -27.4 Dark Down 56.9 204.8 Up 11:33:23 - 12:03:23 3603
Idyllwild 11:48:30 -28.2 Dark Down 56.7 202.5 Up 11:33:30 - 12:03:30 3560
Wildwood 11:48:38 -29.6 Dark Down 56.9 199.0 Up 11:33:38 - 12:03:38 3457
CPSLO 11:48:49 -30.8 Dark Down 56.2 195.0 Up 11:33:49 - 12:03:49 3393

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 01FM194, (2019/03/12 11:47UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:15:38.2 +19:10:19  0.0 17.26 139
27Bet Lib      15:17:00.3 -09:22:59  2.6 16.19 171
PPM 160701     14:29:50.6 +00:49:45  6.0  1.72 155
PPM 160676     14:28:30.9 +02:47:21  7.6  1.06 153
PPM 160744     14:32:57.4 +02:17:30 10.0  0.17 155
01FM194        14:32:29.9 +02:24:44 15.0       154
Positions are for J2000

Event circumstances last updated at 2018/11/04 22:26:31 UT

Marc W. Buie, Southwest Research Institute

RECON