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 07:41:45 UTC

J2000 position of star is 01:10:17.2 +08:09:13
Equinox of date position of star is 01:11:20.4 +08:15:38
Stellar brightness G=15.2, use SENSEUP=128
Star is 136 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=26.2

[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 333 seconds.
The 1-sigma cross-track error in the shadow position is 4316 km.
The sky-plane scale is 29305.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=270.4 km assuming a 5% albedo -- 2.9 sec chord
Diameter=110.4 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03QM91, (2023/11/14 07:42UT)
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 2.7 sigma about the mid-time.
The median site spacing is 21.9 km RECON observability=1.0 and success probability=11.3%
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 07:38:53 -57.9 Dark Down 40.7 222.2 Up 07:23:53 - 07:53:53 2876
Kelowna 07:38:53 -58.3 Dark Down 41.0 222.3 Up 07:23:53 - 07:53:53 2843
Peachland 07:38:53 -58.4 Dark Down 41.2 222.0 Up 07:23:53 - 07:53:53 2838
Summerland 07:38:54 -58.6 Dark Down 41.3 222.2 Up 07:23:54 - 07:53:54 2823
Penticton 07:38:53 -58.6 Dark Down 41.3 222.4 Up 07:23:53 - 07:53:53 2815
Victoria 07:39:04 -59.4 Dark Down 43.7 218.3 Up 07:24:04 - 07:54:04 2796
Oliver 07:38:53 -59.0 Dark Down 41.6 222.6 Up 07:23:53 - 07:53:53 2782
Anarchist Mountain Observatory 07:38:52 -59.2 Dark Down 41.6 222.9 Up 07:23:52 - 07:53:52 2763
Tonasket 07:38:53 -59.5 Dark Down 41.9 223.0 Up 07:23:53 - 07:53:53 2736
Okanogan 07:38:53 -59.8 Dark Down 42.2 223.0 Up 07:23:53 - 07:53:53 2707
Brewster 07:38:53 -60.1 Dark Down 42.5 223.0 Up 07:23:53 - 07:53:53 2686
Manson/Chelan 07:38:54 -60.3 Dark Down 42.8 222.6 Up 07:23:54 - 07:53:54 2673
Entiat 07:38:54 -60.5 Dark Down 43.0 222.7 Up 07:23:54 - 07:53:54 2654
Wenatchee 07:38:55 -60.7 Dark Down 43.2 222.7 Up 07:23:55 - 07:53:55 2632
Ellensburg 07:38:55 -61.1 Dark Down 43.6 222.7 Up 07:23:55 - 07:53:55 2598
Yakima 07:38:55 -61.5 Dark Down 43.9 223.0 Up 07:23:55 - 07:53:55 2560
Toppenish/White Swan 07:38:54 -61.8 Dark Down 44.0 223.3 Up 07:23:54 - 07:53:54 2536
Pasco 07:38:51 -61.9 Dark Down 43.5 224.9 Up 07:23:51 - 07:53:51 2499
Goldendale 07:38:56 -62.3 Dark Down 44.6 223.2 Up 07:23:56 - 07:53:56 2492
The Dalles 07:38:57 -62.5 Dark Down 44.9 222.9 Up 07:23:57 - 07:53:57 2478
PNWRO 07:38:50 -62.2 Dark Down 43.5 225.4 Up 07:23:50 - 07:53:50 2471
Maupin 07:38:56 -62.9 Dark Down 45.2 223.3 Up 07:23:56 - 07:53:56 2436
Sisters 07:38:58 -63.8 Dark Down 46.1 223.3 Up 07:23:58 - 07:53:58 2362
Redmond 07:38:57 -63.8 Dark Down 45.9 223.8 Up 07:23:57 - 07:53:57 2352
Bend 07:38:57 -64.0 Dark Down 46.1 223.8 Up 07:23:57 - 07:53:57 2334
Oregon Observatory 07:38:58 -64.2 Dark Down 46.3 223.8 Up 07:23:58 - 07:53:58 2320
La Pine/Gilchrist 07:38:58 -64.4 Dark Down 46.5 223.9 Up 07:23:58 - 07:53:58 2302
North Lake 07:38:56 -64.9 Dark Down 46.5 224.9 Up 07:23:56 - 07:53:56 2247
Paisley 07:38:55 -65.4 Dark Down 46.7 225.8 Up 07:23:55 - 07:53:55 2186
Klamath Falls 07:38:58 -65.8 Dark Down 47.7 224.6 Up 07:23:58 - 07:53:58 2167
Lakeview 07:38:54 -65.9 Dark Down 46.9 226.4 Up 07:23:54 - 07:53:54 2132
Cedarville 07:38:53 -66.6 Dark Down 47.3 227.1 Up 07:23:53 - 07:53:53 2064
Fall River/Burney 07:38:57 -67.0 Dark Down 48.3 226.0 Up 07:23:57 - 07:53:57 2042
Susanville 07:38:55 -67.7 Dark Down 48.3 227.4 Up 07:23:55 - 07:53:55 1964
Greenville 07:38:56 -68.0 Dark Down 48.7 227.3 Up 07:23:56 - 07:53:56 1943
Gimple 07:38:56 -68.0 Dark Down 48.6 227.4 Up 07:23:56 - 07:53:56 1941
Quincy 07:38:56 -68.2 Dark Down 48.8 227.5 Up 07:23:56 - 07:53:56 1923
Portola 07:38:55 -68.3 Dark Down 48.6 228.2 Up 07:23:55 - 07:53:55 1900
Reno 07:38:52 -68.6 Dark Down 48.4 229.2 Up 07:23:52 - 07:53:52 1859
Carson City 07:38:52 -69.0 Dark Down 48.6 229.5 Up 07:23:52 - 07:53:52 1822
Gardnerville 07:38:52 -69.2 Dark Down 48.8 229.8 Up 07:23:52 - 07:53:52 1797
Yerington 07:38:50 -69.2 Dark Down 48.4 230.4 Up 07:23:50 - 07:53:50 1789
Hawthorne 07:38:48 -69.7 Dark Down 48.4 231.5 Up 07:23:48 - 07:53:48 1731
Lee Vining 07:38:50 -70.2 Dark Down 49.0 231.4 Up 07:23:50 - 07:53:50 1684
Tonopah 07:38:44 -70.1 Dark Down 47.8 233.5 Up 07:23:44 - 07:53:44 1653
Niwot 07:38:06 -65.3 Dark Down 38.8 243.9 Up 07:23:06 - 07:53:06 1648
SwRI 07:38:06 -65.4 Dark Down 39.0 243.9 Up 07:23:06 - 07:53:06 1638
Bishop 07:38:47 -70.8 Dark Down 48.9 232.8 Up 07:23:47 - 07:53:47 1608
Beatty 07:38:42 -71.2 Dark Down 48.2 235.0 Up 07:23:42 - 07:53:42 1525
Indian Springs 07:38:38 -71.4 Dark Down 47.7 236.5 Up 07:23:38 - 07:53:38 1469
CPSLO 07:38:56 -72.8 Dark Down 51.6 232.1 Up 07:23:56 - 07:53:56 1448
Henderson 07:38:36 -71.9 Dark Down 47.5 237.7 Up 07:23:36 - 07:53:36 1399
Searchlight/Boulder City 07:38:36 -72.4 Dark Down 47.7 238.3 Up 07:23:36 - 07:53:36 1338
Patrick 07:38:32 -72.3 Dark Down 47.0 239.4 Up 07:23:32 - 07:53:32 1311
Laughlin/Bullhead City 07:38:35 -72.6 Dark Down 47.7 239.0 Up 07:23:35 - 07:53:35 1300
Kingman/Dolan Springs 07:38:33 -72.5 Dark Down 47.3 239.5 Up 07:23:33 - 07:53:33 1292
Wildwood 07:38:49 -74.1 Dark Down 51.0 235.7 Up 07:23:49 - 07:53:49 1276
Mohave Valley 07:38:35 -72.9 Dark Down 47.8 239.2 Up 07:23:35 - 07:53:35 1271
DCO 07:38:30 -72.4 Dark Down 46.7 240.4 Up 07:23:30 - 07:53:30 1265
Lake Havasu City 07:38:34 -73.3 Dark Down 47.8 239.9 Up 07:23:34 - 07:53:34 1224
Idyllwild 07:38:42 -74.4 Dark Down 49.9 238.1 Up 07:23:42 - 07:53:42 1197
Parker 07:38:34 -73.6 Dark Down 48.0 240.2 Up 07:23:34 - 07:53:34 1187
Blythe 07:38:35 -74.2 Dark Down 48.5 240.4 Up 07:23:35 - 07:53:35 1138
Calipatria 07:38:38 -74.8 Dark Down 49.4 240.0 Up 07:23:38 - 07:53:38 1107
George/Scottsdale 07:38:26 -73.4 Dark Down 46.4 243.0 Up 07:23:26 - 07:53:26 1093
Yuma 07:38:35 -75.1 Dark Down 48.9 241.3 Up 07:23:35 - 07:53:35 1042

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 07:42UT)
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 2020/02/25 23:11:57 UT

Marc W. Buie, Southwest Research Institute

RECON