RECON: TNO occultation with 03QM91

Event between 03QM91 and star GA0980:00103296 with event index number of 1550412

Geocentric closest approach at 2023/11/14 07:43:45 UTC

J2000 position of star is 01:10:17.2 +08:09:13
Equinox of date position of star is 01:11:18.0 +08:15:24
Stellar brightness G=15.2, use SENSEUP=128
Star is 136 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 41.2 AU from the Sun and 40.4 AU from the Earth.
The TNO is moving 20.6 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 406 seconds.
The 1-sigma cross-track error in the shadow position is 5114 km.
The sky-plane scale is 29305.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=270.4 km assuming a 5% albedo -- 13.1 sec chord
Diameter=110.4 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03QM91, (2023/11/14 07:44UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:28.1 +15:18:58  2.8 15.63 126
71Eps Psc      01:04:11.1 +08:01:05  4.3  1.84 135
PPM 144276     01:08:08.7 +08:46:45  8.5  0.98 136
PPM 144313     01:10:26.0 +08:25:23 10.0  0.31 136
PPM 144325     01:11:19.9 +08:00:34 11.4  0.28 136
03QM91         01:11:32.0 +08:16:49 15.2       137
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 2.2 sigma about the mid-time.
The median site spacing is 21.7 km RECON observability=1.0 and success probability=9.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:40:51 -58.3 Dark Down 40.7 222.9 Up 07:25:51 - 07:55:51 2245
Summerland 07:40:52 -58.6 Dark Down 41.1 222.8 Up 07:25:52 - 07:55:52 2223
Penticton 07:40:52 -58.6 Dark Down 41.1 222.9 Up 07:25:52 - 07:55:52 2215
Okanagan Falls 07:40:52 -58.8 Dark Down 41.2 223.0 Up 07:25:52 - 07:55:52 2198
Oliver 07:40:52 -59.0 Dark Down 41.3 223.1 Up 07:25:52 - 07:55:52 2183
Anarchist Mountain Observatory 07:40:51 -59.2 Dark Down 41.4 223.5 Up 07:25:51 - 07:55:51 2163
Oroville 07:40:51 -59.2 Dark Down 41.5 223.4 Up 07:25:51 - 07:55:51 2157
Tonasket 07:40:51 -59.5 Dark Down 41.6 223.6 Up 07:25:51 - 07:55:51 2136
Okanogan 07:40:51 -59.8 Dark Down 41.9 223.6 Up 07:25:51 - 07:55:51 2107
Brewster 07:40:52 -60.1 Dark Down 42.2 223.5 Up 07:25:52 - 07:55:52 2086
Manson/Chelan 07:40:53 -60.3 Dark Down 42.6 223.2 Up 07:25:53 - 07:55:53 2073
Entiat 07:40:53 -60.5 Dark Down 42.7 223.3 Up 07:25:53 - 07:55:53 2054
Wenatchee 07:40:53 -60.8 Dark Down 43.0 223.3 Up 07:25:53 - 07:55:53 2032
Ellensburg 07:40:54 -61.2 Dark Down 43.4 223.3 Up 07:25:54 - 07:55:54 1997
Yakima 07:40:54 -61.6 Dark Down 43.7 223.6 Up 07:25:54 - 07:55:54 1959
Toppenish/White Swan 07:40:53 -61.8 Dark Down 43.8 223.9 Up 07:25:53 - 07:55:53 1935
Pasco 07:40:49 -61.9 Dark Down 43.2 225.5 Up 07:25:49 - 07:55:49 1899
Goldendale 07:40:54 -62.3 Dark Down 44.4 223.8 Up 07:25:54 - 07:55:54 1891
The Dalles 07:40:55 -62.5 Dark Down 44.7 223.5 Up 07:25:55 - 07:55:55 1877
George/Umatilla 07:40:50 -62.3 Dark Down 43.6 225.5 Up 07:25:50 - 07:55:50 1871
PNWRO 07:40:48 -62.2 Dark Down 43.3 225.9 Up 07:25:48 - 07:55:48 1871
Maupin 07:40:55 -63.0 Dark Down 45.0 223.9 Up 07:25:55 - 07:55:55 1835
Madras/Culver 07:40:55 -63.5 Dark Down 45.4 224.3 Up 07:25:55 - 07:55:55 1784
Sisters 07:40:56 -63.8 Dark Down 45.8 223.9 Up 07:25:56 - 07:55:56 1761
Redmond 07:40:55 -63.9 Dark Down 45.6 224.4 Up 07:25:55 - 07:55:55 1750
Bend 07:40:55 -64.1 Dark Down 45.9 224.4 Up 07:25:55 - 07:55:55 1733
Oregon Observatory 07:40:56 -64.2 Dark Down 46.1 224.4 Up 07:25:56 - 07:55:56 1719
La Pine/Gilchrist 07:40:56 -64.4 Dark Down 46.2 224.5 Up 07:25:56 - 07:55:56 1700
North Lake 07:40:54 -64.9 Dark Down 46.2 225.5 Up 07:25:54 - 07:55:54 1645
Chiloquin 07:40:58 -65.5 Dark Down 47.2 224.9 Up 07:25:58 - 07:55:58 1600
Paisley 07:40:53 -65.5 Dark Down 46.4 226.4 Up 07:25:53 - 07:55:53 1584
Klamath Falls 07:40:57 -65.9 Dark Down 47.4 225.2 Up 07:25:57 - 07:55:57 1565
Tulelake 07:40:56 -66.1 Dark Down 47.4 225.8 Up 07:25:56 - 07:55:56 1532
Lakeview 07:40:52 -66.0 Dark Down 46.7 227.0 Up 07:25:52 - 07:55:52 1530
Cedarville 07:40:51 -66.6 Dark Down 47.0 227.7 Up 07:25:51 - 07:55:51 1462
Fall River/Burney 07:40:56 -67.1 Dark Down 48.0 226.6 Up 07:25:56 - 07:55:56 1441
Susanville 07:40:53 -67.7 Dark Down 48.0 228.0 Up 07:25:53 - 07:55:53 1362
Greenville 07:40:54 -68.0 Dark Down 48.4 227.9 Up 07:25:54 - 07:55:54 1341
Gimple 07:40:54 -68.0 Dark Down 48.3 228.0 Up 07:25:54 - 07:55:54 1339
Quincy 07:40:54 -68.2 Dark Down 48.5 228.1 Up 07:25:54 - 07:55:54 1321
Portola 07:40:53 -68.3 Dark Down 48.3 228.8 Up 07:25:53 - 07:55:53 1298
Reno 07:40:50 -68.6 Dark Down 48.1 229.8 Up 07:25:50 - 07:55:50 1257
Carson City 07:40:50 -69.0 Dark Down 48.4 230.1 Up 07:25:50 - 07:55:50 1221
Gardnerville 07:40:50 -69.2 Dark Down 48.5 230.4 Up 07:25:50 - 07:55:50 1195
Yerington 07:40:48 -69.2 Dark Down 48.1 231.0 Up 07:25:48 - 07:55:48 1187
Hawthorne 07:40:47 -69.6 Dark Down 48.1 232.0 Up 07:25:47 - 07:55:47 1129
Lee Vining 07:40:48 -70.2 Dark Down 48.7 232.0 Up 07:25:48 - 07:55:48 1082
Tonopah 07:40:42 -70.1 Dark Down 47.5 234.0 Up 07:25:42 - 07:55:42 1051
Niwot 07:40:05 -65.1 Dark Down 38.5 244.3 Up 07:25:05 - 07:55:05 1049
SwRI 07:40:05 -65.2 Dark Down 38.6 244.3 Up 07:25:05 - 07:55:05 1040
Bishop 07:40:46 -70.8 Dark Down 48.6 233.3 Up 07:25:46 - 07:55:46 1006
Beatty 07:40:40 -71.2 Dark Down 47.9 235.6 Up 07:25:40 - 07:55:40 924
Lone Pine 07:40:45 -71.6 Dark Down 48.9 234.4 Up 07:25:45 - 07:55:45 921
Indian Springs 07:40:36 -71.4 Dark Down 47.3 237.0 Up 07:25:36 - 07:55:36 868
CPSLO 07:40:54 -72.8 Dark Down 51.3 232.7 Up 07:25:54 - 07:55:54 846
Henderson 07:40:34 -71.8 Dark Down 47.1 238.2 Up 07:25:34 - 07:55:34 798
Searchlight/Boulder City 07:40:34 -72.3 Dark Down 47.4 238.8 Up 07:25:34 - 07:55:34 737
Patrick 07:40:30 -72.2 Dark Down 46.7 240.0 Up 07:25:30 - 07:55:30 710
Laughlin/Bullhead City 07:40:33 -72.6 Dark Down 47.3 239.5 Up 07:25:33 - 07:55:33 699
Kingman/Dolan Springs 07:40:31 -72.4 Dark Down 46.9 240.0 Up 07:25:31 - 07:55:31 691
Wildwood 07:40:47 -74.1 Dark Down 50.7 236.3 Up 07:25:47 - 07:55:47 674
Mohave Valley 07:40:33 -72.8 Dark Down 47.5 239.7 Up 07:25:33 - 07:55:33 671
DCO 07:40:28 -72.3 Dark Down 46.4 240.9 Up 07:25:28 - 07:55:28 664
Lake Havasu City 07:40:32 -73.1 Dark Down 47.5 240.4 Up 07:25:32 - 07:55:32 624
Idyllwild 07:40:41 -74.3 Dark Down 49.5 238.7 Up 07:25:41 - 07:55:41 595
Parker 07:40:32 -73.5 Dark Down 47.6 240.7 Up 07:25:32 - 07:55:32 586
Blythe 07:40:33 -74.1 Dark Down 48.1 240.9 Up 07:25:33 - 07:55:33 538
Calipatria 07:40:36 -74.7 Dark Down 49.0 240.5 Up 07:25:36 - 07:55:36 505
Yuma 07:40:33 -75.0 Dark Down 48.6 241.8 Up 07:25:33 - 07:55:33 441

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 03QM91, (2023/11/14 07:44UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8 15.63 126
71Eps Psc      01:02:56.5 +07:53:25  4.3  1.84 135
PPM 144276     01:06:53.9 +08:39:08  8.5  0.98 136
PPM 144313     01:09:11.1 +08:17:47 10.0  0.31 136
PPM 144325     01:10:05.2 +07:52:58 11.4  0.28 136
03QM91         01:10:17.2 +08:09:13 15.2       136
Positions are for J2000

Event circumstances last updated at 2019/06/01 22:25:12 UT

Marc W. Buie, Southwest Research Institute

RECON