RECON: TNO occultation with 03UA414

Event between 03UA414 and star GA1000:00174079 with event index number of 1633266

Geocentric closest approach at 2026/11/15 08:03:10 UTC

J2000 position of star is 01:58:40.2 +11:39:02
Equinox of date position of star is 01:59:47.1 +11:45:05
Stellar brightness G=15.8, use SENSEUP=128
Star is 92 degrees from the moon. Moon is 30% illuminated.
TNO apparent brightness V=27.1

[RECON map]
TNO is 51.7 AU from the Sun and 50.8 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 260 seconds.
The 1-sigma cross-track error in the shadow position is 2117 km.
The sky-plane scale is 36824.9 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=599.8 km assuming a 5% albedo -- 2.5 sec chord
Diameter=244.9 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 9:2EEEEEEE
 
 
 
 
 
 

Star training set for 03UA414, (2026/11/15 08:03UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:27.9 +16:33:41  0.8 38.38 130
6Bet Ari       01:56:07.8 +20:56:18  2.6  9.21  95
PPM 117850     02:00:52.5 +12:25:27  6.1  0.67  93
PPM 117823     01:59:06.2 +11:39:33 10.9  0.27  92
03UA414        02:00:06.5 +11:46:49 15.8        93
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 3.5 sigma about the mid-time.
The median site spacing is 22.0 km RECON observability=1.0 and success probability=0.4%
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 08:00:55 -58.0 Dark Down 46.0 217.7 Up 07:45:55 - 08:15:55 -7932
Kelowna 08:00:55 -58.4 Dark Down 46.4 217.7 Up 07:45:55 - 08:15:55 -7965
Peachland 08:00:56 -58.6 Dark Down 46.6 217.4 Up 07:45:56 - 08:15:56 -7970
Summerland 08:00:55 -58.7 Dark Down 46.7 217.6 Up 07:45:55 - 08:15:55 -7985
Penticton 08:00:55 -58.8 Dark Down 46.7 217.8 Up 07:45:55 - 08:15:55 -7994
Victoria 08:01:06 -60.0 Dark Down 49.0 213.3 Up 07:46:06 - 08:16:06 -8005
Oliver 08:00:56 -59.1 Dark Down 47.0 218.1 Up 07:45:56 - 08:15:56 -8027
Anarchist Mountain Observatory 08:00:55 -59.3 Dark Down 47.0 218.4 Up 07:45:55 - 08:15:55 -8047
Tonasket 08:00:55 -59.6 Dark Down 47.3 218.5 Up 07:45:55 - 08:15:55 -8075
Okanogan 08:00:56 -59.9 Dark Down 47.6 218.6 Up 07:45:56 - 08:15:56 -8103
Brewster 08:00:56 -60.2 Dark Down 47.9 218.5 Up 07:45:56 - 08:15:56 -8125
Manson/Chelan 08:00:57 -60.5 Dark Down 48.2 218.1 Up 07:45:57 - 08:15:57 -8136
Entiat 08:00:58 -60.7 Dark Down 48.4 218.2 Up 07:45:58 - 08:15:58 -8156
Wenatchee 08:00:58 -60.9 Dark Down 48.7 218.3 Up 07:45:58 - 08:15:58 -8178
Ellensburg 08:00:58 -61.4 Dark Down 49.1 218.3 Up 07:45:58 - 08:15:58 -8212
Yakima 08:00:59 -61.8 Dark Down 49.4 218.5 Up 07:45:59 - 08:15:59 -8251
Toppenish/White Swan 08:00:59 -62.0 Dark Down 49.5 218.9 Up 07:45:59 - 08:15:59 -8275
Pasco 08:00:55 -62.0 Dark Down 49.0 220.7 Up 07:45:55 - 08:15:55 -8315
Goldendale 08:00:59 -62.6 Dark Down 50.1 218.7 Up 07:45:59 - 08:15:59 -8318
The Dalles 08:01:01 -62.8 Dark Down 50.5 218.4 Up 07:46:01 - 08:16:01 -8332
PNWRO 08:00:54 -62.2 Dark Down 49.1 221.2 Up 07:45:54 - 08:15:54 -8344
Maupin 08:01:00 -63.2 Dark Down 50.7 218.9 Up 07:46:00 - 08:16:00 -8374
Sisters 08:01:02 -64.1 Dark Down 51.6 218.9 Up 07:46:02 - 08:16:02 -8448
Redmond 08:01:01 -64.1 Dark Down 51.5 219.5 Up 07:46:01 - 08:16:01 -8460
Bend 08:01:02 -64.3 Dark Down 51.7 219.4 Up 07:46:02 - 08:16:02 -8477
Oregon Observatory 08:01:02 -64.5 Dark Down 51.9 219.4 Up 07:46:02 - 08:16:02 -8491
La Pine/Gilchrist 08:01:02 -64.7 Dark Down 52.1 219.5 Up 07:46:02 - 08:16:02 -8509
North Lake 08:01:01 -65.1 Dark Down 52.1 220.7 Up 07:46:01 - 08:16:01 -8566
Paisley 08:01:00 -65.6 Dark Down 52.4 221.6 Up 07:46:00 - 08:16:00 -8629
Klamath Falls 08:01:04 -66.2 Dark Down 53.3 220.3 Up 07:46:04 - 08:16:04 -8645
Lakeview 08:00:59 -66.1 Dark Down 52.7 222.4 Up 07:45:59 - 08:15:59 -8683
Cedarville 08:00:59 -66.7 Dark Down 53.1 223.2 Up 07:45:59 - 08:15:59 -8753
Fall River/Burney 08:01:03 -67.3 Dark Down 54.0 221.9 Up 07:46:03 - 08:16:03 -8771
Susanville 08:01:01 -67.9 Dark Down 54.1 223.6 Up 07:46:01 - 08:16:01 -8852
Greenville 08:01:02 -68.2 Dark Down 54.5 223.4 Up 07:46:02 - 08:16:02 -8872
Gimple 08:01:02 -68.2 Dark Down 54.4 223.5 Up 07:46:02 - 08:16:02 -8874
Quincy 08:01:02 -68.4 Dark Down 54.6 223.6 Up 07:46:02 - 08:16:02 -8893
Portola 08:01:02 -68.5 Dark Down 54.5 224.4 Up 07:46:02 - 08:16:02 -8917
Reno 08:00:59 -68.6 Dark Down 54.3 225.6 Up 07:45:59 - 08:15:59 -8960
Carson City 08:00:59 -69.0 Dark Down 54.5 226.0 Up 07:45:59 - 08:15:59 -8996
Gardnerville 08:00:59 -69.2 Dark Down 54.7 226.3 Up 07:45:59 - 08:15:59 -9022
Yerington 08:00:57 -69.1 Dark Down 54.3 227.0 Up 07:45:57 - 08:15:57 -9032
Hawthorne 08:00:56 -69.4 Dark Down 54.3 228.2 Up 07:45:56 - 08:15:56 -9092
Lee Vining 08:00:58 -70.1 Dark Down 55.0 228.2 Up 07:45:58 - 08:15:58 -9137
Tonopah 08:00:51 -69.6 Dark Down 53.8 230.6 Up 07:45:51 - 08:15:51 -9173
Niwot 08:00:17 -63.0 Dark Down 45.0 242.1 Up 07:45:17 - 08:15:17 -9203
SwRI 08:00:17 -63.2 Dark Down 45.1 242.1 Up 07:45:17 - 08:15:17 -9213
Bishop 08:00:56 -70.5 Dark Down 54.9 229.8 Up 07:45:56 - 08:15:56 -9216
Beatty 08:00:50 -70.5 Dark Down 54.2 232.4 Up 07:45:50 - 08:15:50 -9304
Indian Springs 08:00:48 -70.5 Dark Down 53.7 234.1 Up 07:45:48 - 08:15:48 -9363
CPSLO 08:01:04 -72.9 Dark Down 57.7 229.0 Up 07:46:04 - 08:16:04 -9370
Henderson 08:00:46 -70.7 Dark Down 53.6 235.5 Up 07:45:46 - 08:15:46 -9434
Searchlight/Boulder City 08:00:46 -71.2 Dark Down 53.9 236.2 Up 07:45:46 - 08:15:46 -9496
Patrick 08:00:42 -70.9 Dark Down 53.2 237.5 Up 07:45:42 - 08:15:42 -9525
Laughlin/Bullhead City 08:00:45 -71.3 Dark Down 53.8 237.0 Up 07:45:45 - 08:15:45 -9535
Kingman/Dolan Springs 08:00:44 -71.1 Dark Down 53.4 237.6 Up 07:45:44 - 08:15:44 -9544
Wildwood 08:00:57 -73.7 Dark Down 57.1 233.3 Up 07:45:57 - 08:15:57 -9548
Mohave Valley 08:00:45 -71.6 Dark Down 54.0 237.3 Up 07:45:45 - 08:15:45 -9564
DCO 08:00:41 -70.8 Dark Down 52.9 238.7 Up 07:45:41 - 08:15:41 -9573
Lake Havasu City 08:00:44 -71.8 Dark Down 54.0 238.1 Up 07:45:44 - 08:15:44 -9611
Idyllwild 08:00:52 -73.4 Dark Down 56.1 236.1 Up 07:45:52 - 08:15:52 -9633
Parker 08:00:45 -72.1 Dark Down 54.2 238.5 Up 07:45:45 - 08:15:45 -9649
Blythe 08:00:46 -72.7 Dark Down 54.6 238.8 Up 07:45:46 - 08:15:46 -9697
Calipatria 08:00:50 -73.5 Dark Down 55.6 238.3 Up 07:45:50 - 08:15:50 -9726
George/Scottsdale 08:00:37 -71.3 Dark Down 52.6 241.7 Up 07:45:37 - 08:15:37 -9749
Yuma 08:00:46 -73.5 Dark Down 55.1 239.9 Up 07:45:46 - 08:15:46 -9793

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 03UA414, (2026/11/15 08:03UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 38.38 130
6Bet Ari       01:54:38.5 +20:48:27  2.6  9.21  95
PPM 117850     01:59:25.9 +12:17:40  6.1  0.67  93
PPM 117823     01:57:40.0 +11:31:44 10.9  0.27  92
03UA414        01:58:40.2 +11:39:02 15.8        92
Positions are for J2000

Event circumstances last updated at 2020/10/30 22:31:15 UT

Marc W. Buie, Southwest Research Institute

RECON