RECON: TNO occultation with 03HF57

Event between 03HF57 and star GA0700:05694576 with event index number of 189638

Geocentric closest approach at 2019/05/13 05:24:22 UTC

J2000 position of star is 15:15:03.9 -18:08:25
Equinox of date position of star is 15:16:06.7 -18:12:28
Stellar brightness G=13.8, use SENSEUP=64
Star is 74 degrees from the moon. Moon is 63% illuminated.
TNO apparent brightness V=23.9

[RECON map]
TNO is 34.6 AU from the Sun and 33.5 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 252 seconds.
The 1-sigma cross-track error in the shadow position is 4059 km.
The sky-plane scale is 24326.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=114.3 km assuming a 5% albedo -- 4.7 sec chord
Diameter=46.7 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03HF57, (2019/05/13 05:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.9 -26:28:24  0.9 19.06  92
27Bet Lib      15:18:03.1 -09:27:12  2.6  8.77  71
28 Lib         15:21:59.8 -18:13:39  6.4  1.38  75
26 Lib         15:15:39.5 -17:50:23  6.6  0.39  73
PPM 229984     15:16:56.7 -18:22:34  9.9  0.25  74
03HF57         15:16:09.9 -18:12:40 13.8        74
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 3.6 sigma about the mid-time.
The median site spacing is 9.5 km RECON observability=0.6 and success probability=5.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 05:25:39 -14.6 AT Up 15.1 144.4 Really Low 05:10:39 - 05:40:39 -411
Oroville 05:25:40 -15.1 AT Up 15.6 144.4 Really Low 05:10:40 - 05:40:40 -443
Tonasket 05:25:40 -15.3 AT Up 15.8 144.4 Really Low 05:10:40 - 05:40:40 -457
Okanogan 05:25:40 -15.5 AT Up 16.1 144.2 Really Low 05:10:40 - 05:40:40 -481
Brewster 05:25:41 -15.6 AT Up 16.2 144.0 Really Low 05:10:41 - 05:40:41 -503
Manson/Chelan 05:25:42 -15.7 AT Up 16.2 143.6 Really Low 05:10:42 - 05:40:42 -527
Entiat 05:25:43 -15.8 AT Up 16.4 143.5 Really Low 05:10:43 - 05:40:43 -542
Wenatchee 05:25:43 -16.0 AT Up 16.5 143.4 Really Low 05:10:43 - 05:40:43 -561
Niwot 05:25:11 -27.8 Dark Up 28.3 156.2 Low 05:10:11 - 05:40:11 -576
Ellensburg 05:25:44 -16.2 AT Up 16.8 143.1 Really Low 05:10:44 - 05:40:44 -593
Pasco 05:25:42 -17.4 AT Up 18.0 144.3 Really Low 05:10:42 - 05:40:42 -598
PNWRO 05:25:42 -17.7 AT Up 18.2 144.4 Really Low 05:10:42 - 05:40:42 -607
Yakima 05:25:45 -16.5 AT Up 17.1 143.0 Really Low 05:10:45 - 05:40:45 -619
George/Umatilla 05:25:43 -17.6 AT Up 18.1 144.0 Really Low 05:10:43 - 05:40:43 -625
Toppenish/White Swan 05:25:45 -16.8 AT Up 17.3 143.2 Really Low 05:10:45 - 05:40:45 -628
Goldendale 05:25:47 -17.0 AT Up 17.6 142.7 Really Low 05:10:47 - 05:40:47 -676
The Dalles 05:25:48 -17.0 AT Up 17.6 142.3 Really Low 05:10:48 - 05:40:48 -701
Maupin 05:25:48 -17.4 AT Up 18.0 142.3 Really Low 05:10:48 - 05:40:48 -725
Madras/Culver 05:25:49 -17.8 AT Up 18.4 142.2 Really Low 05:10:49 - 05:40:49 -762
Redmond 05:25:50 -18.1 Dark Up 18.7 142.1 Really Low 05:10:50 - 05:40:50 -788
Sisters 05:25:51 -17.9 AT Up 18.5 141.7 Really Low 05:10:51 - 05:40:51 -798
Bend 05:25:51 -18.2 Dark Up 18.8 141.9 Really Low 05:10:51 - 05:40:51 -806
Oregon Observatory 05:25:51 -18.3 Dark Up 18.9 141.7 Really Low 05:10:51 - 05:40:51 -822
La Pine/Gilchrist 05:25:51 -18.4 Dark Up 19.0 141.7 Really Low 05:10:51 - 05:40:51 -838
North Lake 05:25:51 -19.0 Dark Up 19.6 142.1 Really Low 05:10:51 - 05:40:51 -848
Paisley 05:25:50 -19.6 Dark Up 20.2 142.3 Low 05:10:50 - 05:40:50 -875
Lakeview 05:25:51 -20.1 Dark Up 20.7 142.3 Low 05:10:51 - 05:40:51 -904
Chiloquin 05:25:54 -19.1 Dark Up 19.7 141.1 Really Low 05:10:54 - 05:40:54 -925
Cedarville 05:25:51 -20.7 Dark Up 21.3 142.3 Low 05:10:51 - 05:40:51 -944
Klamath Falls 05:25:54 -19.4 Dark Up 20.0 141.1 Low 05:10:54 - 05:40:54 -946
Tulelake 05:25:53 -19.7 Dark Up 20.4 141.3 Low 05:10:53 - 05:40:53 -955
Fall River/Burney 05:25:54 -20.5 Dark Up 21.1 141.2 Low 05:10:54 - 05:40:54 -1017
Susanville 05:25:53 -21.3 Dark Up 22.0 141.7 Low 05:10:53 - 05:40:53 -1038
Gimple 05:25:54 -21.4 Dark Up 22.1 141.4 Low 05:10:54 - 05:40:54 -1065
Greenville 05:25:54 -21.4 Dark Up 22.0 141.3 Low 05:10:54 - 05:40:54 -1067
Reno 05:25:52 -22.4 Dark Up 23.0 142.2 Low 05:10:52 - 05:40:52 -1073
Portola 05:25:53 -21.9 Dark Up 22.5 141.7 Low 05:10:53 - 05:40:53 -1075
Quincy 05:25:54 -21.6 Dark Up 22.2 141.3 Low 05:10:54 - 05:40:54 -1082
Yerington 05:25:51 -23.2 Dark Up 23.8 142.6 Low 05:10:51 - 05:40:51 -1091
Tonopah 05:25:47 -24.8 Dark Up 25.4 144.1 Low 05:10:47 - 05:40:47 -1095
Carson City 05:25:52 -22.7 Dark Up 23.3 142.1 Low 05:10:52 - 05:40:52 -1098
Hawthorne 05:25:50 -23.8 Dark Up 24.4 143.0 Low 05:10:50 - 05:40:50 -1108
Gardnerville 05:25:52 -22.9 Dark Up 23.5 142.1 Low 05:10:52 - 05:40:52 -1114
Indian Springs 05:25:43 -26.7 Dark Up 27.3 145.1 Low 05:10:43 - 05:40:43 -1153
Beatty 05:25:46 -26.0 Dark Up 26.6 144.2 Low 05:10:46 - 05:40:46 -1165
Lee Vining 05:25:52 -24.0 Dark Up 24.6 142.4 Low 05:10:52 - 05:40:52 -1165
Henderson 05:25:42 -27.5 Dark Up 28.1 145.6 Low 05:10:42 - 05:40:42 -1169
DCO 05:25:37 -29.1 Dark Up 29.7 147.0 Low 05:10:37 - 05:40:37 -1177
Patrick 05:25:39 -28.5 Dark Up 29.1 146.5 Low 05:10:39 - 05:40:39 -1178
Bishop 05:25:50 -24.8 Dark Up 25.4 142.9 Low 05:10:50 - 05:40:50 -1185
Kingman/Dolan Springs 05:25:40 -28.6 Dark Up 29.2 146.2 Low 05:10:40 - 05:40:40 -1202
Searchlight/Boulder City 05:25:42 -28.0 Dark Up 28.6 145.5 Low 05:10:42 - 05:40:42 -1210
Laughlin/Bullhead City 05:25:41 -28.4 Dark Up 29.0 145.7 Low 05:10:41 - 05:40:41 -1221
Lone Pine 05:25:50 -25.6 Dark Up 26.2 142.9 Low 05:10:50 - 05:40:50 -1231
Mohave Valley 05:25:41 -28.6 Dark Up 29.2 145.6 Low 05:10:41 - 05:40:41 -1241
Lake Havasu City 05:25:41 -29.1 Dark Up 29.7 145.7 Low 05:10:41 - 05:40:41 -1263
Parker 05:25:41 -29.4 Dark Up 30.0 145.7 Low 05:10:41 - 05:40:41 -1289
Blythe 05:25:42 -29.6 Dark Up 30.3 145.2 Up 05:10:42 - 05:40:42 -1339
Idyllwild 05:25:48 -28.5 Dark Up 29.2 143.3 Low 05:10:48 - 05:40:48 -1404
Calipatria 05:25:45 -29.6 Dark Up 30.2 144.2 Up 05:10:45 - 05:40:45 -1410
Yuma 05:25:43 -30.4 Dark Up 31.0 144.8 Up 05:10:43 - 05:40:43 -1413
CPSLO 05:25:58 -25.3 Dark Up 25.9 140.2 Low 05:10:58 - 05:40:58 -1419
Wildwood 05:25:54 -27.3 Dark Up 27.9 141.7 Low 05:10:54 - 05:40:54 -1442

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 03HF57, (2019/05/13 05:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.06  92
27Bet Lib      15:17:00.3 -09:22:59  2.6  8.77  71
28 Lib         15:20:53.7 -18:09:32  6.4  1.38  75
26 Lib         15:14:33.7 -17:46:07  6.6  0.39  73
PPM 229984     15:15:50.7 -18:18:20  9.9  0.25  74
03HF57         15:15:03.9 -18:08:25 13.8        74
Positions are for J2000

Event circumstances last updated at 2018/06/11 23:09:38 UT

Marc W. Buie, Southwest Research Institute

RECON