RECON: TNO occultation with 04TT357

Event between 04TT357 and star GA1080:00790257 with event index number of 222800

Geocentric closest approach at 2019/11/16 11:04:06 UTC

J2000 position of star is 05:02:21.0 +18:42:32
Equinox of date position of star is 05:03:25.8 +18:44:03
Stellar brightness G=13.8, use SENSEUP=64
Star is 24 degrees from the moon. Moon is 84% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 33.0 AU from the Sun and 32.1 AU from the Earth.
The TNO is moving 22.0 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 231 seconds.
The 1-sigma cross-track error in the shadow position is 2428 km.
The sky-plane scale is 23253.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=184.5 km assuming a 5% albedo -- 8.4 sec chord
Diameter=75.3 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 04TT357, (2019/11/16 11:04UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.8 +16:32:52  0.8  6.67  31
Alnath         05:27:33.0 +28:37:21  1.6 11.31  19
104 Tau        05:08:37.5 +18:40:13  5.6  1.21  23
PPM 120566     05:05:59.6 +18:16:48  7.7  0.74  24
PPM 120516     05:02:56.0 +18:48:19  9.9  0.15  25
04TT357        05:03:30.9 +18:44:11 13.8        24
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 3.9 sigma about the mid-time.
The median site spacing is 24.7 km RECON observability=1.0 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 11:02:20 -39.8 Dark Up 52.9 222.9 Up 10:47:20 - 11:17:20 12384
Oroville 11:02:20 -39.9 Dark Up 53.3 223.6 Up 10:47:20 - 11:17:20 12325
Tonasket 11:02:19 -40.0 Dark Up 53.5 223.9 Up 10:47:19 - 11:17:19 12302
Okanogan 11:02:20 -40.2 Dark Up 53.8 224.0 Up 10:47:20 - 11:17:20 12269
Brewster 11:02:20 -40.4 Dark Up 54.1 223.9 Up 10:47:20 - 11:17:20 12243
Manson/Chelan 11:02:20 -40.7 Dark Up 54.4 223.6 Up 10:47:20 - 11:17:20 12223
Entiat 11:02:21 -40.8 Dark Up 54.6 223.7 Up 10:47:21 - 11:17:21 12201
Wenatchee 11:02:21 -41.0 Dark Up 54.8 223.8 Up 10:47:21 - 11:17:21 12176
Ellensburg 11:02:22 -41.3 Dark Up 55.2 223.9 Up 10:47:22 - 11:17:22 12135
Yakima 11:02:21 -41.4 Dark Up 55.5 224.3 Up 10:47:21 - 11:17:21 12094
Toppenish/White Swan 11:02:20 -41.4 Dark Up 55.6 224.8 Up 10:47:20 - 11:17:20 12072
Pasco 11:02:16 -40.6 Dark Up 55.1 226.7 Up 10:47:16 - 11:17:16 12058
PNWRO 11:02:15 -40.5 Dark Up 55.1 227.3 Up 10:47:15 - 11:17:15 12033
George/Umatilla 11:02:17 -40.8 Dark Up 55.4 226.7 Up 10:47:17 - 11:17:17 12025
Goldendale 11:02:22 -41.8 Dark Up 56.2 224.7 Up 10:47:22 - 11:17:22 12017
The Dalles 11:02:22 -42.1 Dark Up 56.5 224.5 Up 10:47:22 - 11:17:22 11995
Maupin 11:02:22 -42.2 Dark Up 56.8 225.1 Up 10:47:22 - 11:17:22 11953
Madras/Culver 11:02:22 -42.4 Dark Up 57.2 225.6 Up 10:47:22 - 11:17:22 11897
Sisters 11:02:23 -42.8 Dark Up 57.7 225.3 Up 10:47:23 - 11:17:23 11864
Redmond 11:02:21 -42.5 Dark Up 57.5 225.9 Up 10:47:21 - 11:17:21 11861
Bend 11:02:21 -42.7 Dark Up 57.7 225.9 Up 10:47:21 - 11:17:21 11839
Oregon Observatory 11:02:22 -42.8 Dark Up 57.9 226.0 Up 10:47:22 - 11:17:22 11822
La Pine/Gilchrist 11:02:22 -42.9 Dark Up 58.1 226.1 Up 10:47:22 - 11:17:22 11801
North Lake 11:02:21 -42.6 Dark Up 58.0 227.5 Up 10:47:21 - 11:17:21 11755
Paisley 11:02:18 -42.5 Dark Up 58.2 228.7 Up 10:47:18 - 11:17:18 11698
Chiloquin 11:02:23 -43.4 Dark Up 59.0 226.9 Up 10:47:23 - 11:17:23 11688
Klamath Falls 11:02:22 -43.5 Dark Up 59.2 227.4 Up 10:47:22 - 11:17:22 11652
Lakeview 11:02:17 -42.5 Dark Up 58.4 229.6 Up 10:47:17 - 11:17:17 11645
Tulelake 11:02:21 -43.3 Dark Up 59.2 228.2 Up 10:47:21 - 11:17:21 11623
Cedarville 11:02:16 -42.5 Dark Up 58.8 230.6 Up 10:47:16 - 11:17:16 11576
Fall River/Burney 11:02:21 -43.5 Dark Up 59.8 229.5 Up 10:47:21 - 11:17:21 11529
Susanville 11:02:17 -43.1 Dark Up 59.8 231.4 Up 10:47:17 - 11:17:17 11461
Niwot 11:01:26 -31.6 Dark Up 49.7 249.8 Up 10:46:26 - 11:16:26 11457
Greenville 11:02:18 -43.4 Dark Up 60.1 231.3 Up 10:47:18 - 11:17:18 11433
Gimple 11:02:18 -43.3 Dark Up 60.0 231.5 Up 10:47:18 - 11:17:18 11432
Quincy 11:02:18 -43.4 Dark Up 60.2 231.6 Up 10:47:18 - 11:17:18 11411
Portola 11:02:16 -43.1 Dark Up 60.0 232.5 Up 10:47:16 - 11:17:16 11397
Reno 11:02:14 -42.7 Dark Up 59.8 233.8 Up 10:47:14 - 11:17:14 11368
Carson City 11:02:13 -42.7 Dark Up 60.0 234.3 Up 10:47:13 - 11:17:13 11330
Yerington 11:02:11 -42.3 Dark Up 59.7 235.5 Up 10:47:11 - 11:17:11 11308
Gardnerville 11:02:13 -42.7 Dark Up 60.1 234.7 Up 10:47:13 - 11:17:13 11304
Hawthorne 11:02:09 -42.0 Dark Up 59.6 236.8 Up 10:47:09 - 11:17:09 11259
Tonopah 11:02:04 -41.0 Dark Up 58.9 239.3 Up 10:47:04 - 11:17:04 11208
Lee Vining 11:02:11 -42.4 Dark Up 60.2 237.0 Up 10:47:11 - 11:17:11 11199
Bishop 11:02:07 -42.0 Dark Up 60.1 238.8 Up 10:47:07 - 11:17:07 11135
Beatty 11:02:01 -40.8 Dark Up 59.2 241.6 Up 10:47:01 - 11:17:01 11084
Lone Pine 11:02:05 -41.8 Dark Up 60.2 240.4 Up 10:47:05 - 11:17:05 11053
Indian Springs 11:01:57 -39.9 Dark Up 58.6 243.3 Up 10:46:57 - 11:16:57 11050
Henderson 11:01:54 -39.4 Dark Up 58.3 244.9 Up 10:46:54 - 11:16:54 10993
Searchlight/Boulder City 11:01:54 -39.4 Dark Up 58.5 245.8 Up 10:46:54 - 11:16:54 10931
Patrick 11:01:49 -38.6 Dark Up 57.8 247.1 Up 10:46:49 - 11:16:49 10927
CPSLO 11:02:15 -44.0 Dark Up 62.7 239.0 Up 10:47:15 - 11:17:15 10918
Kingman/Dolan Springs 11:01:50 -38.8 Dark Up 58.0 247.2 Up 10:46:50 - 11:16:50 10902
Laughlin/Bullhead City 11:01:52 -39.2 Dark Up 58.4 246.7 Up 10:46:52 - 11:16:52 10900
DCO 11:01:47 -38.1 Dark Up 57.4 248.3 Up 10:46:47 - 11:16:47 10895
Mohave Valley 11:01:52 -39.2 Dark Up 58.5 247.1 Up 10:46:52 - 11:16:52 10870
Lake Havasu City 11:01:50 -39.0 Dark Up 58.5 247.9 Up 10:46:50 - 11:16:50 10827
Parker 11:01:51 -39.0 Dark Up 58.6 248.5 Up 10:46:51 - 11:16:51 10789
Wildwood 11:02:07 -42.5 Dark Up 61.8 243.7 Up 10:47:07 - 11:17:07 10784
Idyllwild 11:02:00 -41.0 Dark Up 60.6 246.5 Up 10:47:00 - 11:17:00 10744
Blythe 11:01:51 -39.3 Dark Up 59.0 249.0 Up 10:46:51 - 11:16:51 10732
Calipatria 11:01:56 -40.1 Dark Up 59.9 248.8 Up 10:46:56 - 11:16:56 10678
Yuma 11:01:52 -39.4 Dark Up 59.3 250.4 Up 10:46:52 - 11:16:52 10632

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 04TT357, (2019/11/16 11:04UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  6.67  31
Alnath         05:26:17.5 +28:36:23  1.6 11.31  19
104 Tau        05:07:27.7 +18:38:43  5.6  1.21  23
PPM 120566     05:04:50.0 +18:15:14  7.7  0.74  24
PPM 120516     05:01:46.2 +18:46:39  9.9  0.15  25
04TT357        05:02:21.0 +18:42:32 13.8        24
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:20:25 UT

Marc W. Buie, Southwest Research Institute

RECON