RECON: Asteroid occultation with 96

Event between (96) Aegle and star 4U-583-37262 with event index number of 179791

Geocentric closest approach at 2017/04/14 05:47:46 UTC

J2000 position of star is 07:11:22.9 +26:31:58
Equinox of date position of star is 07:12:26.6 +26:30:12
Stellar brightness R=13.1, use SENSEUP=32
Star is 131 degrees from the moon. Moon is 92% illuminated.
Asteroid apparent brightness V=13.0

[RECON map]
Asteroid is 2.7 AU from the Sun and 2.7 AU from the Earth.
The Asteroid is moving 21.4 km/sec on the sky relative to the star, or, 39.7 arcsec/hr.
The 1-sigma error in the time of the event is 5 seconds.
The 1-sigma cross-track error in the shadow position is 101 km.
The sky-plane scale is 1939.0 km/arcsec.

The Asteroid has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 8.2 sec chord
Diameter=70.9 km assuming a 30% albedo -- 3.4 sec chord
 
 
 
 
 
 

Star training set for 96, (2017/04/14 05:48UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:22.3 +27:58:59  1.1  7.68 123
PPM 097053     07:08:29.8 +28:08:54  6.2  1.87 132
PPM 097160     07:12:34.0 +26:22:34  7.6  0.13 131
PPM 097169     07:12:51.0 +26:35:42  9.4  0.13 131
96             07:12:27.0 +26:30:11 13.1       131
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 6.0 km RECON observability=1.0 and success probability=87.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 05:50:05 -37.8 Dark Up 26.1 283.7 Low 05:49:09 - 05:51:00 815
Entiat 05:48:54 -25.8 Dark Up 38.0 269.1 Up 05:47:58 - 05:49:49 775
Brewster 05:48:54 -25.6 Dark Up 37.7 269.1 Up 05:47:58 - 05:49:49 775
Okanogan 05:48:54 -25.5 Dark Up 37.5 269.1 Up 05:47:58 - 05:49:49 773
Manson/Chelan 05:48:54 -25.6 Dark Up 37.9 269.0 Up 05:47:58 - 05:49:49 768
Tonasket 05:48:54 -25.3 Dark Up 37.4 268.9 Up 05:47:58 - 05:49:49 767
Oroville 05:48:54 -25.1 Dark Up 37.4 268.7 Up 05:47:58 - 05:49:49 759
Wenatchee 05:49:22 -26.0 Dark Up 38.0 269.3 Up 05:48:27 - 05:50:18 494
Pasco 05:49:29 -27.4 Dark Up 37.1 271.1 Up 05:48:33 - 05:50:24 493
PNWRO 05:49:30 -27.7 Dark Up 37.0 271.5 Up 05:48:35 - 05:50:26 492
George/Umatilla 05:49:30 -27.6 Dark Up 37.3 271.2 Up 05:48:35 - 05:50:26 468
Ellensburg 05:49:24 -26.2 Dark Up 38.1 269.5 Up 05:48:28 - 05:50:19 466
Yakima 05:49:26 -26.6 Dark Up 38.1 269.8 Up 05:48:30 - 05:50:21 447
Toppenish/White Swan 05:49:27 -26.8 Dark Up 38.0 270.1 Up 05:48:32 - 05:50:23 444
Goldendale 05:49:29 -27.1 Dark Up 38.3 270.2 Up 05:48:34 - 05:50:25 400
The Dalles 05:49:30 -27.1 Dark Up 38.6 270.2 Up 05:48:35 - 05:50:26 373
Maupin 05:49:32 -27.5 Dark Up 38.5 270.6 Up 05:48:36 - 05:50:27 358
Madras/Culver 05:49:35 -27.9 Dark Up 38.5 271.0 Up 05:48:39 - 05:50:30 329
Redmond 05:49:36 -28.1 Dark Up 38.5 271.2 Up 05:48:41 - 05:50:32 309
Sisters 05:49:36 -27.9 Dark Up 38.8 270.9 Up 05:48:40 - 05:50:31 293
Bend 05:49:37 -28.2 Dark Up 38.6 271.3 Up 05:48:42 - 05:50:33 293
Oregon Observatory 05:49:38 -28.3 Dark Up 38.7 271.4 Up 05:48:43 - 05:50:34 278
North Lake 05:49:42 -29.1 Dark Up 38.3 272.2 Up 05:48:46 - 05:50:37 270
La Pine/Gilchrist 05:49:39 -28.5 Dark Up 38.7 271.5 Up 05:48:43 - 05:50:34 265
Paisley 05:49:45 -29.7 Dark Up 38.0 272.9 Up 05:48:49 - 05:50:40 259
Lakeview 05:49:47 -30.2 Dark Up 37.8 273.4 Up 05:48:51 - 05:50:42 242
Cedarville 05:49:50 -30.8 Dark Up 37.6 274.1 Up 05:48:55 - 05:50:46 215
DCO 05:50:24 -39.3 Dark Up 31.1 282.3 Up 05:49:29 - 05:51:20 201
Chiloquin 05:49:44 -29.2 Dark Up 38.9 272.2 Up 05:48:48 - 05:50:39 191
Patrick 05:50:22 -38.7 Dark Up 31.8 281.8 Up 05:49:27 - 05:51:18 185
Klamath Falls 05:49:45 -29.5 Dark Up 38.9 272.5 Up 05:48:50 - 05:50:41 177
Tulelake 05:49:47 -29.8 Dark Up 38.6 272.9 Up 05:48:51 - 05:50:42 177
Tonopah 05:50:09 -34.9 Dark Up 34.9 278.4 Up 05:49:13 - 05:51:04 170
Henderson 05:50:19 -37.6 Dark Up 32.8 280.9 Up 05:49:23 - 05:51:14 166
Kingman/Dolan Springs 05:50:23 -38.8 Dark Up 31.9 281.9 Up 05:49:28 - 05:51:19 162
Indian Springs 05:50:16 -36.9 Dark Up 33.4 280.2 Up 05:49:21 - 05:51:12 162
Searchlight/Boulder City 05:50:22 -38.1 Dark Up 32.6 281.3 Up 05:49:26 - 05:51:17 137
Laughlin/Bullhead City 05:50:23 -38.6 Dark Up 32.3 281.6 Up 05:49:28 - 05:51:19 135
Susanville 05:49:55 -31.4 Dark Up 37.9 274.7 Up 05:48:59 - 05:50:50 133
Fall River/Burney 05:49:51 -30.6 Dark Up 38.5 273.7 Up 05:48:56 - 05:50:47 132
Beatty 05:50:14 -36.1 Dark Up 34.4 279.4 Up 05:49:18 - 05:51:09 128
Yerington 05:50:03 -33.3 Dark Up 36.6 276.6 Up 05:49:08 - 05:50:59 127
Hawthorne 05:50:06 -33.9 Dark Up 36.1 277.3 Up 05:49:10 - 05:51:01 127
Reno 05:50:00 -32.5 Dark Up 37.1 275.8 Up 05:49:04 - 05:50:55 126
Mohave Valley 05:50:24 -38.8 Dark Up 32.2 281.8 Up 05:49:29 - 05:51:20 120
Portola 05:49:58 -32.0 Dark Up 37.7 275.2 Up 05:49:02 - 05:50:53 109
Lake Havasu City 05:50:26 -39.2 Dark Up 31.9 282.2 Up 05:49:31 - 05:51:22 109
Gimple 05:49:56 -31.5 Dark Up 38.0 274.7 Up 05:49:01 - 05:50:52 108
Carson City 05:50:01 -32.8 Dark Up 37.1 276.1 Up 05:49:06 - 05:50:57 107
Greenville 05:49:56 -31.5 Dark Up 38.1 274.7 Up 05:49:01 - 05:50:52 104
Gardnerville 05:50:03 -33.0 Dark Up 37.0 276.3 Up 05:49:07 - 05:50:58 97
Quincy 05:49:57 -31.6 Dark Up 38.0 274.9 Up 05:49:01 - 05:50:52 93
Parker 05:50:28 -39.5 Dark Up 31.8 282.4 Up 05:49:32 - 05:51:23 90
Bishop 05:50:11 -34.9 Dark Up 35.7 278.2 Up 05:49:15 - 05:51:06 73
Lee Vining 05:50:07 -34.1 Dark Up 36.4 277.4 Up 05:49:12 - 05:51:03 72
Lone Pine 05:50:14 -35.7 Dark Up 35.3 278.9 Up 05:49:19 - 05:51:10 46
Blythe 05:50:30 -39.8 Dark Up 31.9 282.6 Up 05:49:34 - 05:51:25 45
Yuma 05:50:34 -40.6 Dark Up 31.7 283.1 Up 05:49:38 - 05:51:29 -12
Calipatria 05:50:32 -39.8 Dark Up 32.6 282.5 Up 05:49:36 - 05:51:27 -32
Idyllwild 05:50:28 -38.7 Dark Up 33.7 281.6 Up 05:49:32 - 05:51:23 -54
Wildwood 05:50:25 -37.4 Dark Up 35.3 280.5 Up 05:49:29 - 05:51:20 -129
CPSLO 05:50:17 -35.4 Dark Up 37.2 278.6 Up 05:49:22 - 05:51:13 -162

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 96, (2017/04/14 05:48UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1  7.68 123
PPM 097053     07:07:24.8 +28:10:36  6.2  1.87 132
PPM 097160     07:11:29.9 +26:24:21  7.6  0.13 131
PPM 097169     07:11:46.9 +26:37:29  9.4  0.13 131
96             07:11:22.9 +26:31:58 13.1       131
Positions are for J2000

Event circumstances last updated at 2017/02/25 23:48:05 UT

Marc W. Buie, Southwest Research Institute

RECON