RECON: TNO occultation with 14JL80

Event between 14JL80 and star GA0720:06294739 with event index number of 1110979

Geocentric closest approach at 2022/04/14 09:49:28 UTC

J2000 position of star is 16:34:59.7 -16:22:07
Equinox of date position of star is 16:36:07.1 -16:24:29
Stellar brightness G=15.8, use SENSEUP=128
Star is 75 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 28.4 AU from the Sun and 27.7 AU from the Earth.
The TNO is moving 14.3 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 173 seconds.
The 1-sigma cross-track error in the shadow position is 1644 km.
The sky-plane scale is 20078.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 14.3 sec chord
Diameter=83.4 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14JL80, (2022/04/14 09:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:46.6 -26:28:46  0.9 10.15  76
13Zet Oph      16:38:23.3 -10:36:38  2.6  5.83  75
8Phi Oph       16:32:25.1 -16:39:34  4.0  0.96  75
PPM 231822     16:33:54.6 -16:02:03  7.5  0.68  75
PPM 231874     16:36:21.8 -16:16:20  9.5  0.14  75
14JL80         16:36:16.4 -16:24:48 15.8        76
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 9.8 km RECON observability=1.0 and success probability=14.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:52:40 -25.6 Dark Up 22.0 162.0 Low 09:37:46 - 10:07:34 -770
Summerland 09:52:41 -25.9 Dark Up 22.2 161.6 Low 09:37:47 - 10:07:35 -792
Penticton 09:52:41 -25.9 Dark Up 22.3 161.7 Low 09:37:47 - 10:07:35 -793
Okanagan Falls 09:52:41 -26.1 Dark Up 22.5 161.7 Low 09:37:47 - 10:07:35 -803
Oliver 09:52:41 -26.2 Dark Up 22.6 161.7 Low 09:37:47 - 10:07:35 -811
Anarchist Mountain Observatory 09:52:40 -26.3 Dark Up 22.8 161.9 Low 09:37:46 - 10:07:34 -816
Oroville 09:52:41 -26.4 Dark Up 22.9 161.8 Low 09:37:47 - 10:07:35 -821
Tonasket 09:52:41 -26.6 Dark Up 23.1 161.8 Low 09:37:47 - 10:07:35 -834
Okanogan 09:52:41 -26.9 Dark Up 23.4 161.6 Low 09:37:47 - 10:07:35 -855
Brewster 09:52:43 -27.2 Dark Up 23.6 161.3 Low 09:37:49 - 10:07:37 -875
Manson/Chelan 09:52:45 -27.5 Dark Up 23.7 160.9 Low 09:37:51 - 10:07:39 -895
Wenatchee 09:52:46 -28.0 Dark Up 24.1 160.7 Low 09:37:52 - 10:07:40 -925
Ellensburg 09:52:48 -28.4 Dark Up 24.5 160.4 Low 09:37:54 - 10:07:42 -954
Pasco 09:52:41 -28.5 Dark Up 25.5 161.7 Low 09:37:47 - 10:07:35 -960
PNWRO 09:52:40 -28.7 Dark Up 25.8 161.9 Low 09:37:46 - 10:07:34 -968
Yakima 09:52:48 -28.8 Dark Up 24.9 160.3 Low 09:37:54 - 10:07:42 -977
Toppenish/White Swan 09:52:47 -28.9 Dark Up 25.1 160.5 Low 09:37:53 - 10:07:41 -985
SwRI 09:51:29 -26.8 Dark Up 33.5 175.9 Up 09:36:35 - 10:06:23 -986
Goldendale 09:52:50 -29.5 Dark Up 25.5 160.0 Low 09:37:56 - 10:07:44 -1028
The Dalles 09:52:52 -29.8 Dark Up 25.6 159.6 Low 09:37:58 - 10:07:46 -1050
Maupin 09:52:51 -30.2 Dark Up 26.1 159.6 Low 09:37:57 - 10:07:45 -1072
Madras/Culver 09:52:52 -30.6 Dark Up 26.6 159.5 Low 09:37:58 - 10:07:46 -1106
Redmond 09:52:53 -31.0 Dark Up 26.9 159.3 Low 09:37:59 - 10:07:47 -1129
Sisters 09:52:54 -31.1 Dark Up 26.8 158.9 Low 09:38:00 - 10:07:48 -1138
Bend 09:52:53 -31.2 Dark Up 27.1 159.2 Low 09:37:59 - 10:07:47 -1145
Oregon Observatory 09:52:54 -31.4 Dark Up 27.2 159.0 Low 09:38:00 - 10:07:48 -1159
La Pine/Gilchrist 09:52:55 -31.6 Dark Up 27.4 158.9 Low 09:38:01 - 10:07:49 -1174
North Lake 09:52:53 -31.7 Dark Up 27.9 159.4 Low 09:37:59 - 10:07:47 -1184
Paisley 09:52:51 -32.1 Dark Up 28.5 159.7 Low 09:37:57 - 10:07:45 -1209
Lakeview 09:52:50 -32.4 Dark Up 29.1 159.8 Low 09:37:56 - 10:07:44 -1235
Chiloquin 09:52:57 -32.7 Dark Up 28.3 158.3 Low 09:38:03 - 10:07:51 -1253
Klamath Falls 09:52:57 -32.9 Dark Up 28.6 158.3 Low 09:38:03 - 10:07:51 -1272
Cedarville 09:52:50 -32.9 Dark Up 29.7 159.9 Low 09:37:56 - 10:07:44 -1272
Tulelake 09:52:56 -33.1 Dark Up 29.0 158.6 Low 09:38:02 - 10:07:50 -1281
Fall River/Burney 09:52:55 -33.8 Dark Up 29.8 158.5 Low 09:38:01 - 10:07:49 -1337
Susanville 09:52:52 -34.0 Dark Up 30.6 159.1 Up 09:37:58 - 10:07:46 -1358
Gimple 09:52:53 -34.3 Dark Up 30.8 158.9 Up 09:37:59 - 10:07:47 -1382
Greenville 09:52:54 -34.4 Dark Up 30.8 158.8 Up 09:38:00 - 10:07:48 -1384
Reno 09:52:48 -34.4 Dark Up 31.7 159.8 Up 09:37:54 - 10:07:42 -1392
Portola 09:52:52 -34.4 Dark Up 31.2 159.2 Up 09:37:58 - 10:07:46 -1393
Quincy 09:52:54 -34.5 Dark Up 31.0 158.7 Up 09:38:00 - 10:07:48 -1398
Yerington 09:52:45 -34.6 Dark Up 32.4 160.4 Up 09:37:51 - 10:07:39 -1411
Carson City 09:52:49 -34.7 Dark Up 32.0 159.8 Up 09:37:55 - 10:07:43 -1415
Tonopah 09:52:34 -34.4 Dark Up 33.7 162.3 Up 09:37:40 - 10:07:28 -1419
Hawthorne 09:52:42 -34.7 Dark Up 32.9 160.9 Up 09:37:48 - 10:07:36 -1427
Gardnerville 09:52:48 -34.9 Dark Up 32.3 159.8 Up 09:37:54 - 10:07:42 -1431
Indian Springs 09:52:26 -34.8 Dark Up 35.5 163.7 Up 09:37:32 - 10:07:20 -1478
Lee Vining 09:52:45 -35.4 Dark Up 33.3 160.2 Up 09:37:51 - 10:07:39 -1479
Beatty 09:52:32 -35.1 Dark Up 34.9 162.6 Up 09:37:38 - 10:07:26 -1485
Henderson 09:52:22 -34.9 Dark Up 36.1 164.4 Up 09:37:28 - 10:07:16 -1495
Bishop 09:52:41 -35.5 Dark Up 34.1 160.9 Up 09:37:47 - 10:07:35 -1500
Patrick 09:52:15 -34.8 Dark Up 37.0 165.6 Up 09:37:21 - 10:07:09 -1508
Kingman/Dolan Springs 09:52:17 -35.0 Dark Up 37.2 165.3 Up 09:37:23 - 10:07:11 -1529
Searchlight/Boulder City 09:52:21 -35.3 Dark Up 36.7 164.4 Up 09:37:27 - 10:07:15 -1534
Lone Pine 09:52:40 -36.0 Dark Up 34.9 161.1 Up 09:37:46 - 10:07:34 -1543
Laughlin/Bullhead City 09:52:20 -35.3 Dark Up 37.1 164.7 Up 09:37:26 - 10:07:14 -1545
Mohave Valley 09:52:19 -35.5 Dark Up 37.3 164.6 Up 09:37:25 - 10:07:13 -1564
George/Scottsdale 09:52:03 -34.9 Dark Up 39.0 167.6 Up 09:37:09 - 10:06:57 -1572
Lake Havasu City 09:52:18 -35.7 Dark Up 37.8 164.8 Up 09:37:24 - 10:07:12 -1586
Parker 09:52:18 -35.9 Dark Up 38.1 164.8 Up 09:37:24 - 10:07:12 -1610
Blythe 09:52:19 -36.5 Dark Up 38.6 164.3 Up 09:37:25 - 10:07:13 -1657
Idyllwild 09:52:32 -37.5 Dark Up 38.0 161.9 Up 09:37:38 - 10:07:26 -1710
CPSLO 09:52:54 -38.2 Dark Up 35.4 157.9 Up 09:38:00 - 10:07:48 -1712
Calipatria 09:52:25 -37.4 Dark Up 38.8 163.2 Up 09:37:31 - 10:07:19 -1720
Yuma 09:52:20 -37.2 Dark Up 39.4 164.1 Up 09:37:26 - 10:07:14 -1726
Wildwood 09:52:42 -38.2 Dark Up 37.1 159.9 Up 09:37:48 - 10:07:36 -1739

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 14JL80, (2022/04/14 09:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.15  76
13Zet Oph      16:37:09.6 -10:34:01  2.6  5.83  75
8Phi Oph       16:31:08.4 -16:36:46  4.0  0.96  75
PPM 231822     16:32:38.1 -15:59:18  7.5  0.68  75
PPM 231874     16:35:05.2 -16:13:39  9.5  0.14  75
14JL80         16:34:59.7 -16:22:07 15.8        75
Positions are for J2000

Event circumstances last updated at 2019/07/31 21:58:54 UT

Marc W. Buie, Southwest Research Institute

RECON