RECON: TNO occultation with 500886

Event between (500886) 13JN65 and star GA0680:09054561 with event index number of 2755158

Geocentric closest approach at 2029/05/14 06:20:13 UTC

J2000 position of star is 17:05:09.4 -21:39:43
Equinox of date position of star is 17:06:37.4 -21:41:38
Stellar brightness G=0.0, use SENSEUP=2 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 164 degrees from the moon. Moon is 1% illuminated.
Apparent brightness V=23.7

[RECON map]
Object is 41.1 AU from the Sun and 40.2 AU from the Earth.
Apparent velocity is 22.5 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 331 seconds.
The 1-sigma cross-track error in the shadow position is 3854 km.
The sky-plane scale is 29163.8 km/arcsec.

The object has an absolute magnitude Hv=7.5
Diameter=199.5 km assuming a 5% albedo -- 8.5 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 500886, (2029/05/14 06:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9  9.45 172
35Eta Oph      17:12:03.9 -15:45:33  2.6  6.06 161
PPM 266403     17:07:57.2 -21:36:09  6.3  0.26 163
PPM 266388     17:07:17.3 -21:44:24  9.2  0.10 164
500886         17:06:54.9 -21:42:01  0.0       163
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 2.7 sigma about the mid-time.
The median site spacing is 13.6 km RECON observability=0.2 and success probability=5.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:22:01 -18.7 Dark Down 10.4 147.7 Really Low 06:07:01 - 06:37:01 2092
Kamloops 06:22:37 -17.5 AT Down 5.9 135.4 Really Low 06:07:37 - 06:37:37 1762
Kelowna 06:22:38 -18.5 Dark Down 6.9 136.1 Really Low 06:07:38 - 06:37:38 1743
Peachland 06:22:38 -18.5 Dark Down 6.8 135.8 Really Low 06:07:38 - 06:37:38 1731
Summerland 06:22:39 -18.7 Dark Down 7.0 135.9 Really Low 06:07:39 - 06:37:39 1726
Penticton 06:22:38 -18.8 Dark Down 7.1 136.0 Really Low 06:07:38 - 06:37:38 1725
Oliver 06:22:39 -19.1 Dark Down 7.3 135.9 Really Low 06:07:39 - 06:37:39 1708
Anarchist Mountain Observatory 06:22:39 -19.3 Dark Down 7.6 136.1 Really Low 06:07:39 - 06:37:39 1704
Okanogan 06:22:42 -19.8 Dark Down 7.9 135.9 Really Low 06:07:42 - 06:37:42 1667
Brewster 06:22:43 -20.0 Dark Down 8.0 135.7 Really Low 06:07:43 - 06:37:43 1649
Manson/Chelan 06:22:44 -20.1 Dark Down 8.0 135.4 Really Low 06:07:44 - 06:37:44 1630
Wenatchee 06:22:46 -20.5 Dark Down 8.3 135.2 Really Low 06:07:46 - 06:37:46 1602
Victoria 06:22:49 -18.6 Dark Down 6.0 132.8 Really Low 06:07:49 - 06:37:49 1589
Ellensburg 06:22:47 -20.8 Dark Down 8.5 135.0 Really Low 06:07:47 - 06:37:47 1575
PNWRO 06:22:46 -22.2 Dark Down 10.0 136.2 Really Low 06:07:46 - 06:37:46 1560
Yakima 06:22:49 -21.2 Dark Down 8.7 134.9 Really Low 06:07:49 - 06:37:49 1553
Toppenish/White Swan 06:22:49 -21.5 Dark Down 9.0 135.0 Really Low 06:07:49 - 06:37:49 1546
Dunrhomin 06:22:22 -30.5 Dark Down 20.6 146.7 Low 06:07:22 - 06:37:22 1535
Nikitin 06:22:22 -30.7 Dark Down 20.8 146.6 Low 06:07:22 - 06:37:22 1524
CU-SBO 06:22:23 -30.7 Dark Down 20.8 146.5 Low 06:07:23 - 06:37:23 1519
The Dalles 06:22:52 -21.9 Dark Down 9.1 134.3 Really Low 06:07:52 - 06:37:52 1485
Maupin 06:22:53 -22.4 Dark Down 9.5 134.4 Really Low 06:07:53 - 06:37:53 1464
Sisters 06:22:57 -23.0 Dark Down 9.9 133.9 Really Low 06:07:57 - 06:37:57 1403
Bend 06:22:57 -23.3 Dark Down 10.2 134.0 Really Low 06:07:57 - 06:37:57 1396
Oregon Observatory 06:22:57 -23.4 Dark Down 10.2 133.9 Really Low 06:07:57 - 06:37:57 1383
Chiloquin 06:23:02 -24.5 Dark Down 10.9 133.4 Really Low 06:08:02 - 06:38:02 1295
Klamath Falls 06:23:02 -24.8 Dark Down 11.2 133.4 Really Low 06:08:02 - 06:38:02 1276
Cedarville 06:23:00 -25.9 Dark Down 12.5 134.6 Really Low 06:08:00 - 06:38:00 1274
Fall River/Burney 06:23:04 -26.0 Dark Down 12.2 133.6 Really Low 06:08:04 - 06:38:04 1214
Gimple 06:23:05 -27.0 Dark Down 13.1 133.8 Really Low 06:08:05 - 06:38:05 1170
Greenville 06:23:05 -27.0 Dark Down 13.1 133.8 Really Low 06:08:05 - 06:38:05 1168
Portola 06:23:05 -27.4 Dark Down 13.6 134.1 Really Low 06:08:05 - 06:38:05 1160
Reno 06:23:04 -27.9 Dark Down 14.1 134.5 Really Low 06:08:04 - 06:38:04 1160
Quincy 06:23:06 -27.1 Dark Down 13.2 133.7 Really Low 06:08:06 - 06:38:06 1155
Yerington 06:23:03 -28.6 Dark Down 14.9 134.9 Really Low 06:08:03 - 06:38:03 1141
Carson City 06:23:05 -28.2 Dark Down 14.4 134.5 Really Low 06:08:05 - 06:38:05 1137
Hawthorne 06:23:03 -29.2 Dark Down 15.5 135.3 Really Low 06:08:03 - 06:38:03 1124
Gardnerville 06:23:05 -28.4 Dark Down 14.6 134.5 Really Low 06:08:05 - 06:38:05 1123
Lee Vining 06:23:06 -29.5 Dark Down 15.6 134.8 Really Low 06:08:06 - 06:38:06 1075
Beatty 06:23:01 -31.2 Dark Down 17.7 136.4 Really Low 06:08:01 - 06:38:01 1065
Bishop 06:23:05 -30.3 Dark Down 16.5 135.2 Really Low 06:08:05 - 06:38:05 1054
Patrick 06:22:56 -33.5 Dark Down 20.4 138.3 Low 06:07:56 - 06:37:56 1037
Laughlin/Bullhead City 06:22:59 -33.5 Dark Down 20.2 137.7 Low 06:07:59 - 06:37:59 1002
George/Scottsdale 06:22:53 -35.6 Dark Down 22.7 139.5 Low 06:07:53 - 06:37:53 970
Lake Havasu City 06:22:59 -34.2 Dark Down 20.8 137.7 Low 06:07:59 - 06:37:59 962
Idyllwild 06:23:08 -34.2 Dark Down 20.0 135.7 Low 06:08:08 - 06:38:08 849
Calipatria 06:23:05 -35.1 Dark Down 21.1 136.4 Low 06:08:05 - 06:38:05 835
Yuma 06:23:03 -35.8 Dark Down 22.0 137.0 Low 06:08:03 - 06:38:03 827
Wildwood 06:23:12 -33.2 Dark Down 18.7 134.3 Really Low 06:08:12 - 06:38:12 823

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 500886, (2029/05/14 06:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  9.45 172
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.06 161
PPM 266403     17:06:11.8 -21:33:54  6.3  0.26 163
PPM 266388     17:05:31.8 -21:42:08  9.2  0.10 164
500886         17:05:09.4 -21:39:43  0.0       164
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:22 UT

Marc W. Buie, Southwest Research Institute

RECON