RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1020:01963043 with event index number of 360418

Geocentric closest approach at 2020/02/06 09:25:41 UTC

J2000 position of star is 06:33:40.5 +12:40:08
Equinox of date position of star is 06:34:47.3 +12:39:09
Stellar brightness G=16.4, use SENSEUP=128
Star is 11 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 29.6 AU from the Sun and 28.8 AU from the Earth.
The TNO is moving 18.0 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 246 seconds.
The 1-sigma cross-track error in the shadow position is 1291 km.
The sky-plane scale is 20917.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=192.3 km assuming a 5% albedo -- 10.7 sec chord
Diameter=78.5 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2020/02/06 09:26UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.6 +07:24:33  0.4 10.84  19
Alhena         06:38:52.4 +16:22:50  1.9  3.86   7
PPM 122607     06:32:46.7 +11:46:35  6.3  1.01  11
PPM 122725     06:36:39.4 +13:12:22  7.7  0.71  10
PPM 122682     06:35:04.6 +12:42:19 10.0  0.08  10
14WR510        06:34:48.3 +12:39:08 16.4        11
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 3.7 sigma about the mid-time.
The median site spacing is 16.6 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 09:23:21 -52.5 Dark Up 29.3 253.7 Low 09:08:21 - 09:38:21 8515
Kelowna 09:23:20 -52.9 Dark Up 29.5 253.7 Low 09:08:20 - 09:38:20 8487
Summerland 09:23:20 -53.2 Dark Up 29.7 253.7 Low 09:08:20 - 09:38:20 8467
Penticton 09:23:19 -53.2 Dark Up 29.6 253.9 Low 09:08:19 - 09:38:19 8465
Oliver 09:23:17 -53.5 Dark Up 29.7 254.0 Low 09:08:17 - 09:38:17 8443
Anarchist Mountain Observatory 09:23:15 -53.6 Dark Up 29.7 254.3 Low 09:08:15 - 09:38:15 8437
Tonasket 09:23:14 -53.9 Dark Up 29.8 254.4 Low 09:08:14 - 09:38:14 8415
Okanogan 09:23:14 -54.3 Dark Up 30.0 254.5 Low 09:08:14 - 09:38:14 8390
Brewster 09:23:12 -54.6 Dark Up 30.2 254.4 Up 09:08:12 - 09:38:12 8368
Manson/Chelan 09:23:12 -54.9 Dark Up 30.5 254.2 Up 09:08:12 - 09:38:12 8347
Entiat 09:23:11 -55.1 Dark Up 30.6 254.3 Up 09:08:11 - 09:38:11 8331
Victoria 09:23:22 -55.3 Dark Up 32.3 251.1 Up 09:08:22 - 09:38:22 8316
Wenatchee 09:23:11 -55.3 Dark Up 30.7 254.4 Up 09:08:11 - 09:38:11 8312
Ellensburg 09:23:09 -55.8 Dark Up 31.0 254.4 Up 09:08:09 - 09:38:09 8280
Pasco 09:23:03 -55.9 Dark Up 30.2 256.0 Up 09:08:03 - 09:38:03 8262
Yakima 09:23:07 -56.1 Dark Up 31.1 254.6 Up 09:08:07 - 09:38:07 8252
PNWRO 09:23:00 -56.1 Dark Up 30.2 256.3 Up 09:08:00 - 09:38:00 8251
Toppenish/White Swan 09:23:05 -56.3 Dark Up 31.1 254.9 Up 09:08:05 - 09:38:05 8241
Goldendale 09:23:03 -56.9 Dark Up 31.5 254.8 Up 09:08:03 - 09:38:03 8194
The Dalles 09:23:04 -57.2 Dark Up 31.8 254.7 Up 09:08:04 - 09:38:04 8170
Niwot 09:22:11 -53.1 Dark Up 21.1 269.0 Low 09:07:11 - 09:37:11 8162
SwRI 09:22:11 -53.2 Dark Up 21.2 269.0 Low 09:07:11 - 09:37:11 8152
Maupin 09:23:00 -57.6 Dark Up 31.9 255.0 Up 09:08:00 - 09:38:00 8143
Redmond 09:22:57 -58.4 Dark Up 32.2 255.5 Up 09:07:57 - 09:37:57 8078
Sisters 09:22:59 -58.5 Dark Up 32.4 255.1 Up 09:07:59 - 09:37:59 8070
Bend 09:22:57 -58.6 Dark Up 32.3 255.5 Up 09:07:57 - 09:37:57 8060
Oregon Observatory 09:22:56 -58.8 Dark Up 32.4 255.5 Up 09:07:56 - 09:37:56 8044
La Pine/Gilchrist 09:22:55 -59.0 Dark Up 32.5 255.5 Up 09:07:55 - 09:37:55 8028
North Lake 09:22:52 -59.2 Dark Up 32.2 256.3 Up 09:07:52 - 09:37:52 8012
Paisley 09:22:48 -59.5 Dark Up 32.1 256.9 Up 09:07:48 - 09:37:48 7980
Lakeview 09:22:46 -59.8 Dark Up 32.1 257.3 Up 09:07:46 - 09:37:46 7948
Klamath Falls 09:22:49 -60.4 Dark Up 33.1 256.2 Up 09:07:49 - 09:37:49 7916
Cedarville 09:22:43 -60.3 Dark Up 32.1 257.9 Up 09:07:43 - 09:37:43 7904
Fall River/Burney 09:22:43 -61.2 Dark Up 33.1 257.2 Up 09:07:43 - 09:37:43 7837
Susanville 09:22:39 -61.4 Dark Up 32.7 258.2 Up 09:07:39 - 09:37:39 7808
Gimple 09:22:38 -61.8 Dark Up 32.9 258.2 Up 09:07:38 - 09:37:38 7782
Greenville 09:22:38 -61.8 Dark Up 33.0 258.1 Up 09:07:38 - 09:37:38 7780
Portola 09:22:36 -61.9 Dark Up 32.7 258.7 Up 09:07:36 - 09:37:36 7767
Quincy 09:22:38 -62.0 Dark Up 33.0 258.3 Up 09:07:38 - 09:37:38 7764
Reno 09:22:33 -61.8 Dark Up 32.3 259.3 Up 09:07:33 - 09:37:33 7763
Yerington 09:22:29 -61.9 Dark Up 31.9 260.1 Up 09:07:29 - 09:37:29 7738
Carson City 09:22:32 -62.1 Dark Up 32.3 259.6 Up 09:07:32 - 09:37:32 7736
Gardnerville 09:22:30 -62.2 Dark Up 32.3 259.8 Up 09:07:30 - 09:37:30 7719
Tonopah 09:22:21 -61.6 Dark Up 30.5 262.0 Up 09:07:21 - 09:37:21 7716
Hawthorne 09:22:24 -62.0 Dark Up 31.6 260.8 Up 09:07:24 - 09:37:24 7715
Lee Vining 09:22:24 -62.7 Dark Up 32.0 260.8 Up 09:07:24 - 09:37:24 7659
Indian Springs 09:22:12 -61.8 Dark Up 29.5 263.9 Low 09:07:12 - 09:37:12 7639
Beatty 09:22:15 -62.2 Dark Up 30.4 263.0 Up 09:07:15 - 09:37:15 7636
Bishop 09:22:20 -62.8 Dark Up 31.6 261.6 Up 09:07:20 - 09:37:20 7630
Henderson 09:22:08 -61.7 Dark Up 29.1 264.6 Low 09:07:08 - 09:37:08 7614
Patrick 09:22:03 -61.4 Dark Up 28.2 265.6 Low 09:07:03 - 09:37:03 7594
DCO 09:22:00 -61.2 Dark Up 27.7 266.2 Low 09:07:00 - 09:37:00 7588
Kingman/Dolan Springs 09:22:02 -61.7 Dark Up 28.4 265.6 Low 09:07:02 - 09:37:02 7571
Searchlight/Boulder City 09:22:05 -62.1 Dark Up 29.1 265.0 Low 09:07:05 - 09:37:05 7570
Laughlin/Bullhead City 09:22:04 -62.1 Dark Up 28.8 265.3 Low 09:07:04 - 09:37:04 7555
Mohave Valley 09:22:02 -62.2 Dark Up 28.8 265.5 Low 09:07:02 - 09:37:02 7533
George/Scottsdale 09:21:52 -61.1 Dark Up 26.7 267.7 Low 09:06:52 - 09:36:52 7510
Lake Havasu City 09:22:00 -62.3 Dark Up 28.7 265.8 Low 09:07:00 - 09:37:00 7508
Parker 09:21:58 -62.5 Dark Up 28.7 266.0 Low 09:06:58 - 09:36:58 7480
Blythe 09:21:58 -63.0 Dark Up 29.0 266.2 Low 09:06:58 - 09:36:58 7429
CPSLO 09:22:18 -65.5 Dark Up 33.7 261.4 Up 09:07:18 - 09:37:18 7404
Idyllwild 09:22:02 -64.3 Dark Up 30.7 264.8 Up 09:07:02 - 09:37:02 7382
Calipatria 09:21:58 -63.9 Dark Up 29.8 265.9 Low 09:06:58 - 09:36:58 7363
Wildwood 09:22:08 -65.3 Dark Up 32.2 263.5 Up 09:07:08 - 09:37:08 7360
Yuma 09:21:53 -63.6 Dark Up 29.1 266.6 Low 09:06:53 - 09:36:53 7351

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 14WR510, (2020/02/06 09:26UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.84  19
Alhena         06:37:42.8 +16:23:57  1.9  3.86   7
PPM 122607     06:31:39.4 +11:47:32  6.3  1.01  11
PPM 122725     06:35:31.3 +13:13:26  7.7  0.71  10
PPM 122682     06:33:56.8 +12:43:19 10.0  0.08  10
14WR510        06:33:40.5 +12:40:08 16.4        11
Positions are for J2000

Event circumstances last updated at 2019/10/15 22:07:37 UT

Marc W. Buie, Southwest Research Institute

RECON