RECON: TNO occultation with 14JR92

Event between 14JR92 and star GA0900:05584535 with event index number of 1552336

Geocentric closest approach at 2021/03/17 11:46:49 UTC

J2000 position of star is 17:37:46.7 +01:20:07
Equinox of date position of star is 17:38:48.1 +01:19:29
Stellar brightness G=15.2, use SENSEUP=128
Star is 134 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=25.2

[RECON map]
TNO is 31.9 AU from the Sun and 31.9 AU from the Earth.
The TNO is moving 11.8 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is 2718 km.
The sky-plane scale is 23122.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=160.0 km assuming a 5% albedo -- 5.1 sec chord
Diameter=65.3 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JR92, (2021/03/17 11:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:42.7 -26:28:38  0.9 32.30 152
60Bet Oph      17:44:31.3 +04:33:36  2.8  3.53 132
PPM 164135     17:32:25.3 +02:42:38  6.5  2.12 135
PPM 164264     17:36:55.4 +00:59:05  7.1  0.59 135
PPM 164281     17:37:25.1 +01:14:05  9.5  0.37 135
PPM 164319     17:38:51.5 +01:13:40 10.6  0.10 134
14JR92         17:38:51.2 +01:19:27 15.2       134
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 5.0 sigma about the mid-time.
The median site spacing is 6.3 km RECON observability=1.0 and success probability=7.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 11:51:38 -24.8 Dark Down 34.2 136.6 Up 11:38:31 - 12:04:46 4348
Klamath Falls 11:50:54 -26.7 Dark Down 39.4 134.8 Up 11:37:47 - 12:04:02 4319
Fall River/Burney 11:50:44 -27.0 Dark Down 40.4 134.5 Up 11:37:37 - 12:03:52 4301
La Pine/Gilchrist 11:51:03 -25.9 Dark Down 38.5 136.0 Up 11:37:56 - 12:04:11 4291
Sisters 11:51:09 -25.7 Dark Down 38.1 136.3 Up 11:38:01 - 12:04:16 4290
Oregon Observatory 11:51:06 -25.8 Dark Down 38.4 136.2 Up 11:37:58 - 12:04:13 4286
Bend 11:51:08 -25.6 Dark Down 38.4 136.5 Up 11:38:01 - 12:04:16 4277
Quincy 11:50:38 -27.2 Dark Down 41.4 134.3 Up 11:37:30 - 12:03:45 4275
Greenville 11:50:37 -27.1 Dark Down 41.3 134.4 Up 11:37:30 - 12:03:45 4275
Gimple 11:50:40 -27.0 Dark Down 41.3 134.5 Up 11:37:33 - 12:03:48 4269
Redmond 11:51:10 -25.4 Dark Down 38.3 136.7 Up 11:38:03 - 12:04:18 4266
North Lake 11:51:03 -25.7 Dark Down 39.2 136.4 Up 11:37:56 - 12:04:11 4256
CPSLO 11:50:00 -28.8 Dark Down 44.7 131.3 Up 11:36:52 - 12:03:07 4256
The Dalles 11:51:19 -24.8 Dark Down 37.3 137.5 Up 11:38:12 - 12:04:27 4254
Susanville 11:50:41 -26.8 Dark Down 41.3 134.9 Up 11:37:34 - 12:03:49 4254
Maupin 11:51:21 -24.9 Dark Down 37.7 137.4 Up 11:38:14 - 12:04:29 4252
Portola 11:50:37 -26.9 Dark Down 41.8 134.8 Up 11:37:29 - 12:03:44 4243
Paisley 11:50:59 -25.7 Dark Down 39.7 136.5 Up 11:37:51 - 12:04:06 4237
Goldendale 11:51:24 -24.5 Dark Down 37.4 138.0 Up 11:38:17 - 12:04:32 4230
Lakeview 11:50:56 -25.8 Dark Down 40.2 136.4 Up 11:37:49 - 12:04:04 4227
Cedarville 11:50:54 -25.9 Dark Down 40.8 136.2 Up 11:37:47 - 12:04:02 4218
Yakima 11:51:29 -24.0 Dark Down 36.9 138.7 Up 11:38:22 - 12:04:37 4207
Ellensburg 11:51:31 -23.8 Dark Down 36.6 138.9 Up 11:38:24 - 12:04:39 4202
Reno 11:50:37 -26.5 Dark Down 42.3 135.3 Up 11:37:29 - 12:03:44 4200
Carson City 11:50:37 -26.6 Dark Down 42.6 135.1 Up 11:37:29 - 12:03:44 4199
Toppenish/White Swan 11:51:29 -24.0 Dark Down 37.1 138.8 Up 11:38:22 - 12:04:37 4199
Gardnerville 11:50:33 -26.7 Dark Down 42.8 135.0 Up 11:37:26 - 12:03:41 4196
Wenatchee 11:51:37 -23.4 Dark Down 36.4 139.4 Up 11:38:29 - 12:04:44 4184
Entiat 11:51:38 -23.3 Dark Down 36.3 139.6 Up 11:38:31 - 12:04:46 4175
Manson/Chelan 11:51:40 -23.1 Dark Down 36.1 139.8 Up 11:38:33 - 12:04:48 4169
Yerington 11:50:35 -26.3 Dark Down 43.1 135.7 Up 11:37:27 - 12:03:42 4155
Lee Vining 11:50:26 -26.6 Dark Down 43.8 135.0 Up 11:37:19 - 12:03:34 4152
Brewster 11:51:42 -22.8 Dark Down 36.1 140.4 Up 11:38:35 - 12:04:50 4144
Okanogan 11:51:44 -22.6 Dark Down 36.0 140.7 Up 11:38:36 - 12:04:51 4129
Peachland 11:51:55 -22.0 Dark Down 34.9 141.2 Up 11:38:47 - 12:05:02 4124
Pasco 11:51:31 -23.2 Dark Down 37.8 140.2 Up 11:38:24 - 12:04:39 4121
Summerland 11:51:53 -22.1 Dark Down 35.0 141.2 Up 11:38:45 - 12:05:00 4120
Oliver 11:51:50 -22.2 Dark Down 35.4 141.1 Up 11:38:42 - 12:04:57 4119
Hawthorne 11:50:31 -26.1 Dark Down 43.7 136.0 Up 11:37:24 - 12:03:39 4118
Tonasket 11:51:49 -22.3 Dark Down 35.8 141.1 Up 11:38:41 - 12:04:56 4117
Penticton 11:51:54 -22.0 Dark Down 35.1 141.3 Up 11:38:47 - 12:05:02 4114
Anarchist Mountain Observatory 11:51:51 -22.1 Dark Down 35.6 141.3 Up 11:38:43 - 12:04:58 4110
PNWRO 11:51:29 -23.2 Dark Down 38.1 140.3 Up 11:38:21 - 12:04:36 4109
Kelowna 11:51:55 -21.8 Dark Down 34.9 141.6 Up 11:38:47 - 12:05:02 4105
Wildwood 11:49:56 -27.7 Dark Down 46.7 132.7 Up 11:36:49 - 12:03:04 4101
Bishop 11:50:25 -26.3 Dark Down 44.6 135.5 Up 11:37:17 - 12:03:32 4099
Clarence Fulton 11:51:58 -21.5 Dark Down 34.7 141.9 Up 11:38:51 - 12:05:06 4091
Tonopah 11:50:33 -25.2 Dark Down 44.8 137.4 Up 11:37:26 - 12:03:41 4017
Beatty 11:50:24 -25.2 Dark Down 45.9 137.1 Up 11:37:17 - 12:03:32 3980
Idyllwild 11:49:58 -26.3 Dark Down 48.1 134.6 Up 11:36:51 - 12:03:06 3958
Indian Springs 11:50:25 -24.5 Dark Down 46.7 138.2 Up 11:37:18 - 12:03:33 3899
Calipatria 11:49:57 -25.5 Dark Down 49.2 135.6 Up 11:36:49 - 12:03:04 3861
Henderson 11:50:20 -24.2 Dark Down 47.5 138.6 Up 11:37:12 - 12:03:27 3843
Searchlight/Boulder City 11:50:17 -24.3 Dark Down 47.9 138.2 Up 11:37:09 - 12:03:24 3835
Laughlin/Bullhead City 11:50:14 -24.1 Dark Down 48.3 138.5 Up 11:37:06 - 12:03:21 3806
Mohave Valley 11:50:13 -24.2 Dark Down 48.5 138.2 Up 11:37:05 - 12:03:20 3803
Blythe 11:50:03 -24.6 Dark Down 49.4 137.2 Up 11:36:56 - 12:03:11 3793
Yuma 11:49:55 -24.9 Dark Down 50.1 136.3 Up 11:36:47 - 12:03:02 3787
Lake Havasu City 11:50:11 -24.1 Dark Down 49.0 138.3 Up 11:37:04 - 12:03:19 3781
Parker 11:50:08 -24.2 Dark Down 49.2 138.0 Up 11:37:01 - 12:03:16 3775
Kingman/Dolan Springs 11:50:18 -23.7 Dark Down 48.6 139.1 Up 11:37:10 - 12:03:25 3767
Patrick 11:50:19 -23.5 Dark Down 48.5 139.6 Up 11:37:12 - 12:03:27 3754
DCO 11:50:16 -23.0 Dark Down 49.1 140.2 Up 11:37:08 - 12:03:23 3697
George/Scottsdale 11:50:11 -22.4 Dark Down 50.9 140.9 Up 11:37:04 - 12:03:19 3580
SwRI 11:51:18 -15.6 AT Down 48.5 154.5 Up 11:38:11 - 12:04:26 3147
Niwot 11:51:19 -15.5 AT Down 48.4 154.7 Up 11:38:11 - 12:04:26 3142

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 14JR92, (2021/03/17 11:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 32.30 152
60Bet Oph      17:43:28.3 +04:34:05  2.8  3.53 132
PPM 164135     17:31:21.4 +02:43:30  6.5  2.12 135
PPM 164264     17:35:50.6 +00:59:48  7.1  0.59 135
PPM 164281     17:36:20.5 +01:14:48  9.5  0.37 135
PPM 164319     17:37:46.9 +01:14:21 10.6  0.10 134
14JR92         17:37:46.7 +01:20:07 15.2       134
Positions are for J2000

Event circumstances last updated at 2020/03/11 21:58:16 UT

Marc W. Buie, Southwest Research Institute

RECON