RECON: TNO occultation with 06CH69

Event between 06CH69 and star GA1000:03443695 with event index number of 1941028

Geocentric closest approach at 2023/02/10 11:29:38 UTC

J2000 position of star is 10:31:09.2 +11:06:21
Equinox of date position of star is 10:32:18.2 +10:59:37
Stellar brightness G=11.6, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 38 degrees from the moon. Moon is 81% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 44.6 AU from the Sun and 43.7 AU from the Earth.
The TNO is moving 24.7 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 315 seconds.
The 1-sigma cross-track error in the shadow position is 4194 km.
The sky-plane scale is 31661.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=270.4 km assuming a 5% albedo -- 12.2 sec chord
Diameter=110.4 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 06CH69, (2023/02/10 11:28UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:36.1 +11:51:12  1.3  5.65  44
45 Leo         10:28:52.1 +09:38:38  5.8  1.60  39
PPM 127478     10:32:45.8 +11:02:55  8.3  0.11  38
06CH69         10:32:22.5 +10:59:11 11.6        38
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 2.9 sigma about the mid-time.
The median site spacing is 14.4 km RECON observability=1.0 and success probability=3.1%
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 11:29:12 -36.4 Dark Up 41.2 229.2 Up 11:14:12 - 11:44:12 8323
Kelowna 11:29:10 -36.6 Dark Up 41.6 229.3 Up 11:14:10 - 11:44:10 8296
Peachland 11:29:11 -36.9 Dark Up 41.8 229.0 Up 11:14:11 - 11:44:11 8280
Summerland 11:29:10 -36.9 Dark Up 41.8 229.3 Up 11:14:10 - 11:44:10 8274
Penticton 11:29:09 -36.8 Dark Up 41.8 229.4 Up 11:14:09 - 11:44:09 8273
Oliver 11:29:07 -37.0 Dark Up 42.0 229.7 Up 11:14:07 - 11:44:07 8252
Anarchist Mountain Observatory 11:29:09 -36.9 Dark Up 42.1 230.0 Up 11:14:09 - 11:44:09 8248
Tonasket 11:29:06 -37.1 Dark Up 42.3 230.1 Up 11:14:06 - 11:44:06 8226
Okanogan 11:29:06 -37.3 Dark Up 42.6 230.2 Up 11:14:06 - 11:44:06 8201
Brewster 11:29:05 -37.6 Dark Up 42.9 230.1 Up 11:14:05 - 11:44:05 8178
Manson/Chelan 11:29:05 -37.9 Dark Up 43.2 229.9 Up 11:14:05 - 11:44:05 8154
Dunrhomin 11:28:10 -29.5 Dark Up 37.7 250.4 Up 11:13:10 - 11:43:10 8138
Wenatchee 11:29:04 -38.2 Dark Up 43.6 230.0 Up 11:14:04 - 11:44:04 8119
Victoria 11:29:15 -39.5 Dark Up 44.4 225.6 Up 11:14:15 - 11:44:15 8095
Ellensburg 11:29:03 -38.5 Dark Up 44.0 230.1 Up 11:14:03 - 11:44:03 8086
Pasco 11:28:58 -37.8 Dark Up 43.7 232.2 Up 11:13:58 - 11:43:58 8082
PNWRO 11:28:57 -37.8 Dark Up 43.7 232.7 Up 11:13:57 - 11:43:57 8073
Yakima 11:29:03 -38.6 Dark Up 44.2 230.3 Up 11:14:03 - 11:44:03 8059
Toppenish/White Swan 11:29:01 -38.6 Dark Up 44.3 230.7 Up 11:14:01 - 11:44:01 8050
Goldendale 11:29:00 -39.1 Dark Up 44.9 230.6 Up 11:14:00 - 11:44:00 8001
The Dalles 11:29:00 -39.4 Dark Up 45.2 230.4 Up 11:14:00 - 11:44:00 7974
Maupin 11:28:59 -39.5 Dark Up 45.4 230.8 Up 11:13:59 - 11:43:59 7949
Redmond 11:28:57 -39.9 Dark Up 46.0 231.4 Up 11:13:57 - 11:43:57 7886
Sisters 11:28:58 -40.2 Dark Up 46.3 230.9 Up 11:13:58 - 11:43:58 7874
Bend 11:28:58 -40.1 Dark Up 46.3 231.4 Up 11:13:58 - 11:43:58 7866
Oregon Observatory 11:28:56 -40.2 Dark Up 46.4 231.4 Up 11:13:56 - 11:43:56 7850
La Pine/Gilchrist 11:28:55 -40.3 Dark Up 46.6 231.5 Up 11:13:55 - 11:43:55 7834
North Lake 11:28:55 -40.1 Dark Up 46.5 232.6 Up 11:13:55 - 11:43:55 7824
Paisley 11:28:50 -40.0 Dark Up 46.7 233.4 Up 11:13:50 - 11:43:50 7797
Lakeview 11:28:49 -40.1 Dark Up 46.9 234.1 Up 11:13:49 - 11:43:49 7768
Chiloquin 11:28:55 -41.0 Dark Up 47.5 232.0 Up 11:13:55 - 11:43:55 7745
Cedarville 11:28:47 -40.2 Dark Up 47.1 234.8 Up 11:13:47 - 11:43:47 7728
Klamath Falls 11:28:53 -41.1 Dark Up 47.7 232.4 Up 11:13:53 - 11:43:53 7723
Fall River/Burney 11:28:48 -41.2 Dark Up 48.2 233.9 Up 11:13:48 - 11:43:48 7651
Susanville 11:28:44 -40.9 Dark Up 48.1 235.3 Up 11:13:44 - 11:43:44 7631
Gimple 11:28:43 -41.1 Dark Up 48.4 235.3 Up 11:13:43 - 11:43:43 7603
Greenville 11:28:45 -41.2 Dark Up 48.4 235.2 Up 11:13:45 - 11:43:45 7600
Reno 11:28:41 -40.5 Dark Up 48.0 237.0 Up 11:13:41 - 11:43:41 7596
Portola 11:28:42 -40.9 Dark Up 48.3 236.0 Up 11:13:42 - 11:43:42 7593
Quincy 11:28:43 -41.2 Dark Up 48.5 235.4 Up 11:13:43 - 11:43:43 7586
Tonopah 11:28:41 -38.9 Dark Up 47.1 241.2 Up 11:13:41 - 11:43:41 7584
Yerington 11:28:41 -40.2 Dark Up 47.9 238.2 Up 11:13:41 - 11:43:41 7579
Carson City 11:28:41 -40.6 Dark Up 48.2 237.4 Up 11:13:41 - 11:43:41 7571
Hawthorne 11:28:41 -39.9 Dark Up 47.8 239.2 Up 11:13:41 - 11:43:41 7565
Gardnerville 11:28:41 -40.6 Dark Up 48.3 237.6 Up 11:13:41 - 11:43:41 7554
Indian Springs 11:28:21 -38.1 Dark Up 46.7 244.0 Up 11:13:21 - 11:43:21 7521
Beatty 11:28:24 -38.9 Dark Up 47.3 242.7 Up 11:13:24 - 11:43:24 7507
Lee Vining 11:28:41 -40.4 Dark Up 48.4 239.3 Up 11:13:41 - 11:43:41 7506
Henderson 11:28:17 -37.7 Dark Up 46.5 245.2 Up 11:13:17 - 11:43:17 7505
Patrick 11:28:11 -36.9 Dark Up 45.9 246.8 Up 11:13:11 - 11:43:11 7499
Bishop 11:28:41 -40.0 Dark Up 48.2 240.6 Up 11:13:41 - 11:43:41 7489
Kingman/Dolan Springs 11:28:12 -37.1 Dark Up 46.1 246.8 Up 11:13:12 - 11:43:12 7475
Laughlin/Bullhead City 11:28:14 -37.5 Dark Up 46.5 246.4 Up 11:13:14 - 11:43:14 7454
George/Scottsdale 11:28:02 -35.5 Dark Up 45.0 250.1 Up 11:13:02 - 11:43:02 7442
Mohave Valley 11:28:14 -37.5 Dark Up 46.6 246.7 Up 11:13:14 - 11:43:14 7433
Lake Havasu City 11:28:11 -37.4 Dark Up 46.6 247.3 Up 11:13:11 - 11:43:11 7412
Parker 11:28:10 -37.4 Dark Up 46.7 247.6 Up 11:13:10 - 11:43:10 7385
Blythe 11:28:09 -37.8 Dark Up 47.1 247.9 Up 11:13:09 - 11:43:09 7334
Idyllwild 11:28:16 -39.5 Dark Up 48.7 245.8 Up 11:13:16 - 11:43:16 7265
Calipatria 11:28:10 -38.6 Dark Up 48.1 247.5 Up 11:13:10 - 11:43:10 7260
Yuma 11:28:06 -37.9 Dark Up 47.5 248.8 Up 11:13:06 - 11:43:06 7259
CPSLO 11:28:41 -42.3 Dark Up 50.8 240.3 Up 11:13:41 - 11:43:41 7247
Wildwood 11:28:20 -40.9 Dark Up 50.0 243.6 Up 11:13:20 - 11:43:20 7222

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 06CH69, (2023/02/10 11:28UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  5.65  44
45 Leo         10:27:39.0 +09:45:44  5.8  1.60  39
PPM 127478     10:31:32.4 +11:10:05  8.3  0.11  38
06CH69         10:31:09.2 +11:06:21 11.6        38
Positions are for J2000

Event circumstances last updated at 2021/10/06 01:13:29 UT

Marc W. Buie, Southwest Research Institute

RECON