RECON: TNO occultation with 14WF509

Event between 14WF509 and star GA1040:00483894 with event index number of 1008077

Geocentric closest approach at 2020/12/03 06:30:07 UTC

J2000 position of star is 04:23:00.4 +14:41:57
Equinox of date position of star is 04:24:09.0 +14:44:42
Stellar brightness G=16.9, use SENSEUP=128
Star is 39 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=26.3

[RECON map]
TNO is 43.2 AU from the Sun and 42.2 AU from the Earth.
The TNO is moving 25.5 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 172 seconds.
The 1-sigma cross-track error in the shadow position is 1673 km.
The sky-plane scale is 30612.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=387.3 km assuming a 5% albedo -- 2.4 sec chord
Diameter=158.1 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14WF509, (2020/12/03 06:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.4 +16:32:59  0.8  3.60  35
Bellatrix      05:26:15.3 +06:22:01  1.6 17.39  30
60 Tau         04:23:14.4 +14:07:30  6.0  0.66  39
PPM 119832     04:23:55.6 +15:06:14  7.7  0.36  38
PPM 119843     04:24:43.6 +14:43:03  9.3  0.13  38
14WF509        04:24:11.4 +14:44:48 16.9        38
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 22.1 km RECON observability=1.0 and success probability=28.1%
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 06:30:26 -58.2 Dark Up 52.4 155.9 Up 06:15:36 - 06:45:16 1372
Kelowna 06:30:27 -58.4 Dark Up 52.8 155.5 Up 06:15:37 - 06:45:17 1341
Peachland 06:30:28 -58.4 Dark Up 52.8 155.0 Up 06:15:38 - 06:45:18 1337
Summerland 06:30:28 -58.5 Dark Up 52.9 155.0 Up 06:15:38 - 06:45:18 1322
Penticton 06:30:28 -58.6 Dark Up 53.0 155.2 Up 06:15:38 - 06:45:18 1315
Victoria 06:30:40 -57.8 Dark Up 52.8 148.7 Up 06:15:50 - 06:45:30 1290
Oliver 06:30:28 -58.9 Dark Up 53.4 155.0 Up 06:15:38 - 06:45:18 1284
Anarchist Mountain Observatory 06:30:28 -59.1 Dark Up 53.6 155.2 Up 06:15:38 - 06:45:18 1267
Tonasket 06:30:29 -59.4 Dark Up 53.8 154.9 Up 06:15:39 - 06:45:19 1241
Okanogan 06:30:29 -59.6 Dark Up 54.1 154.4 Up 06:15:39 - 06:45:19 1214
Brewster 06:30:31 -59.7 Dark Up 54.3 154.0 Up 06:15:41 - 06:45:21 1193
Manson/Chelan 06:30:32 -59.7 Dark Up 54.4 153.3 Up 06:15:42 - 06:45:22 1181
Entiat 06:30:32 -59.9 Dark Up 54.5 153.0 Up 06:15:42 - 06:45:22 1163
Wenatchee 06:30:33 -60.0 Dark Up 54.7 152.7 Up 06:15:43 - 06:45:23 1142
Ellensburg 06:30:34 -60.2 Dark Up 55.0 152.1 Up 06:15:44 - 06:45:24 1109
Yakima 06:30:35 -60.5 Dark Up 55.4 151.8 Up 06:15:45 - 06:45:25 1074
Toppenish/White Swan 06:30:34 -60.8 Dark Up 55.6 151.9 Up 06:15:44 - 06:45:24 1051
Pasco 06:30:31 -61.4 Dark Up 56.1 153.9 Up 06:15:41 - 06:45:21 1019
Goldendale 06:30:37 -61.0 Dark Up 56.0 150.9 Up 06:15:47 - 06:45:27 1009
The Dalles 06:30:38 -61.0 Dark Up 56.0 150.1 Up 06:15:48 - 06:45:28 995
PNWRO 06:30:31 -61.7 Dark Up 56.4 154.1 Up 06:15:41 - 06:45:21 993
Maupin 06:30:38 -61.3 Dark Up 56.4 150.0 Up 06:15:48 - 06:45:28 956
Sisters 06:30:41 -61.7 Dark Up 57.0 148.5 Up 06:15:51 - 06:45:31 885
Redmond 06:30:40 -62.0 Dark Up 57.2 149.1 Up 06:15:50 - 06:45:30 876
Bend 06:30:41 -62.0 Dark Up 57.3 148.7 Up 06:15:51 - 06:45:31 859
Oregon Observatory 06:30:41 -62.1 Dark Up 57.4 148.4 Up 06:15:51 - 06:45:31 845
La Pine/Gilchrist 06:30:42 -62.2 Dark Up 57.6 148.1 Up 06:15:52 - 06:45:32 827
North Lake 06:30:41 -62.8 Dark Up 58.2 148.7 Up 06:15:51 - 06:45:31 777
Paisley 06:30:40 -63.4 Dark Up 58.8 148.9 Up 06:15:50 - 06:45:30 719
Klamath Falls 06:30:45 -63.0 Dark Up 58.7 146.4 Up 06:15:55 - 06:45:35 698
Lakeview 06:30:41 -63.8 Dark Up 59.3 148.8 Up 06:15:51 - 06:45:31 669
Cedarville 06:30:41 -64.4 Dark Up 59.9 148.5 Up 06:15:51 - 06:45:31 604
Fall River/Burney 06:30:45 -64.0 Dark Up 59.8 146.0 Up 06:15:55 - 06:45:35 581
Susanville 06:30:44 -64.9 Dark Up 60.7 146.6 Up 06:15:54 - 06:45:34 507
Greenville 06:30:45 -64.9 Dark Up 60.8 145.8 Up 06:15:55 - 06:45:35 486
Gimple 06:30:45 -64.9 Dark Up 60.8 146.0 Up 06:15:55 - 06:45:35 485
Quincy 06:30:45 -65.0 Dark Up 60.9 145.6 Up 06:15:55 - 06:45:35 467
Portola 06:30:44 -65.4 Dark Up 61.3 146.4 Up 06:15:54 - 06:45:34 446
Reno 06:30:42 -65.9 Dark Up 61.7 147.3 Up 06:15:52 - 06:45:32 408
Carson City 06:30:43 -66.2 Dark Up 62.1 147.0 Up 06:15:53 - 06:45:33 374
Gardnerville 06:30:43 -66.3 Dark Up 62.3 146.8 Up 06:15:53 - 06:45:33 349
Yerington 06:30:41 -66.7 Dark Up 62.5 147.9 Up 06:15:51 - 06:45:31 343
Hawthorne 06:30:40 -67.3 Dark Up 63.1 148.5 Up 06:15:50 - 06:45:30 288
Lee Vining 06:30:42 -67.3 Dark Up 63.4 146.9 Up 06:15:52 - 06:45:32 242
Niwot 06:29:55 -71.5 Dark Up 64.6 178.0 Up 06:15:05 - 06:44:45 226
SwRI 06:29:55 -71.6 Dark Up 64.7 177.8 Up 06:15:05 - 06:44:45 217
Tonopah 06:30:36 -68.4 Dark Up 64.1 150.8 Up 06:15:46 - 06:45:26 217
Bishop 06:30:41 -68.2 Dark Up 64.2 147.7 Up 06:15:51 - 06:45:31 170
Beatty 06:30:36 -69.4 Dark Up 65.2 150.5 Up 06:15:46 - 06:45:26 94
Indian Springs 06:30:33 -70.3 Dark Up 65.9 152.5 Up 06:15:43 - 06:45:23 42
CPSLO 06:30:51 -67.9 Dark Up 64.8 140.8 Up 06:16:01 - 06:45:41 10
Henderson 06:30:31 -71.1 Dark Up 66.7 153.4 Up 06:15:41 - 06:45:21 -24
Searchlight/Boulder City 06:30:31 -71.5 Dark Up 67.2 153.0 Up 06:15:41 - 06:45:21 -83
Patrick 06:30:28 -72.2 Dark Up 67.6 155.4 Up 06:15:38 - 06:45:18 -107
Laughlin/Bullhead City 06:30:30 -71.9 Dark Up 67.6 153.4 Up 06:15:40 - 06:45:20 -119
Kingman/Dolan Springs 06:30:29 -72.2 Dark Up 67.8 154.7 Up 06:15:39 - 06:45:19 -126
Mohave Valley 06:30:31 -72.1 Dark Up 67.8 153.2 Up 06:15:41 - 06:45:21 -147
DCO 06:30:26 -72.8 Dark Up 68.1 156.7 Up 06:15:36 - 06:45:16 -150
Wildwood 06:30:45 -69.9 Dark Up 66.8 143.2 Up 06:15:55 - 06:45:35 -151
Lake Havasu City 06:30:30 -72.5 Dark Up 68.3 153.3 Up 06:15:40 - 06:45:20 -192
Idyllwild 06:30:39 -71.4 Dark Up 68.0 146.8 Up 06:15:49 - 06:45:29 -224
Parker 06:30:31 -72.8 Dark Up 68.6 153.0 Up 06:15:41 - 06:45:21 -228
Blythe 06:30:32 -72.9 Dark Up 69.0 151.6 Up 06:15:42 - 06:45:22 -276
Calipatria 06:30:36 -72.6 Dark Up 69.0 148.8 Up 06:15:46 - 06:45:26 -309
George/Scottsdale 06:30:23 -74.5 Dark Up 69.8 158.7 Up 06:15:33 - 06:45:13 -314
Yuma 06:30:33 -73.4 Dark Up 69.8 150.4 Up 06:15:43 - 06:45:23 -369

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 14WF509, (2020/12/03 06:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  3.60  35
Bellatrix      05:25:07.8 +06:20:58  1.6 17.39  30
60 Tau         04:22:03.7 +14:04:38  6.0  0.66  39
PPM 119832     04:22:44.4 +15:03:22  7.7  0.36  38
PPM 119843     04:23:32.5 +14:40:13  9.3  0.13  38
14WF509        04:23:00.4 +14:41:57 16.9        39
Positions are for J2000

Event circumstances last updated at 2020/03/12 20:52:59 UT

Marc W. Buie, Southwest Research Institute

RECON