RECON: TNO occultation with 02CZ248

Event between 02CZ248 and star GA0960:03712192 with event index number of 1266196

Geocentric closest approach at 2024/02/08 13:30:15 UTC

J2000 position of star is 11:19:38.4 +07:33:36
Equinox of date position of star is 11:20:52.4 +07:25:46
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon. Moon is 3% illuminated.
Apparent brightness V=24.4

[RECON map]
Object is 42.5 AU from the Sun and 41.6 AU from the Earth.
Apparent velocity is 21.7 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 292 seconds.
The 1-sigma cross-track error in the shadow position is 4836 km.
The sky-plane scale is 30161.3 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 6.6 sec chord
Diameter=58.2 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 7:3EEEE
 
 
 
 
 
 

Star training set for 02CZ248, (2024/02/08 13:30UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.2 +11:50:54  1.3 18.10 150
Denebola       11:50:17.4 +14:26:14  2.1 10.06 128
77Sig Leo      11:22:22.8 +05:53:49  4.0  1.58 131
PPM 157766     11:22:17.4 +06:55:54  8.1  0.61 131
PPM 157777     11:22:54.3 +07:05:25  8.6  0.60 131
PPM 157737     11:20:52.9 +07:25:23 10.4  0.00 132
02CZ248        11:20:53.2 +07:25:40 16.8       132
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 3.1 sigma about the mid-time.
The median site spacing is 11.0 km RECON observability=0.8 and success probability=5.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 13:29:25 -10.1 NT Down 21.4 254.2 Low 13:14:25 - 13:44:25 -22
Kamloops 13:29:39 -18.8 Dark Down 30.2 241.9 Up 13:14:39 - 13:44:39 -408
Kelowna 13:29:34 -18.2 Dark Down 30.1 243.2 Up 13:14:34 - 13:44:34 -418
Peachland 13:29:34 -18.4 Dark Down 30.3 243.0 Up 13:14:34 - 13:44:34 -430
Penticton 13:29:33 -18.3 Dark Down 30.3 243.3 Up 13:14:33 - 13:44:33 -434
Summerland 13:29:33 -18.4 Dark Down 30.3 243.1 Up 13:14:33 - 13:44:33 -434
Oliver 13:29:31 -18.3 Dark Down 30.4 243.4 Up 13:14:31 - 13:44:31 -449
Anarchist Mountain Observatory 13:29:30 -18.2 Dark Down 30.4 243.7 Up 13:14:30 - 13:44:30 -450
Okanogan 13:29:27 -18.3 Dark Down 30.8 243.8 Up 13:14:27 - 13:44:27 -485
Dunrhomin 13:28:29 -7.1 NT Down 23.7 259.4 Low 13:13:29 - 13:43:29 -489
Nikitin 13:28:29 -7.1 NT Down 23.8 259.5 Low 13:13:29 - 13:43:29 -499
Brewster 13:29:27 -18.4 Dark Down 31.1 243.8 Up 13:14:27 - 13:44:27 -503
CU-SBO 13:28:28 -7.1 NT Down 23.8 259.5 Low 13:13:28 - 13:43:28 -504
Manson/Chelan 13:29:27 -18.6 Dark Down 31.4 243.6 Up 13:14:27 - 13:44:27 -522
Wenatchee 13:29:25 -18.7 Dark Down 31.7 243.7 Up 13:14:25 - 13:44:25 -548
Ellensburg 13:29:23 -18.9 Dark Down 32.0 243.7 Up 13:14:23 - 13:44:23 -574
PNWRO 13:29:16 -17.7 AT Down 31.4 245.7 Up 13:14:16 - 13:44:16 -574
Victoria 13:29:35 -20.8 Dark Down 33.0 240.2 Up 13:14:35 - 13:44:35 -584
Yakima 13:29:22 -18.9 Dark Down 32.2 243.9 Up 13:14:22 - 13:44:22 -593
Toppenish/White Swan 13:29:21 -18.8 Dark Down 32.2 244.2 Up 13:14:21 - 13:44:21 -599
The Dalles 13:29:19 -19.3 Dark Down 33.1 243.9 Up 13:14:19 - 13:44:19 -660
Maupin 13:29:17 -19.2 Dark Down 33.2 244.2 Up 13:14:17 - 13:44:17 -677
Sisters 13:29:14 -19.5 Dark Down 33.9 244.3 Up 13:14:14 - 13:44:14 -736
Bend 13:29:13 -19.3 Dark Down 33.8 244.7 Up 13:14:13 - 13:44:13 -740
Oregon Observatory 13:29:12 -19.4 Dark Down 34.0 244.6 Up 13:14:12 - 13:44:12 -753
Chiloquin 13:29:08 -19.7 Dark Down 34.8 245.1 Up 13:14:08 - 13:44:08 -836
Cedarville 13:29:00 -18.4 Dark Down 34.1 247.2 Up 13:14:00 - 13:44:00 -841
Klamath Falls 13:29:06 -19.6 Dark Down 34.9 245.4 Up 13:14:06 - 13:44:06 -852
Fall River/Burney 13:29:01 -19.3 Dark Down 35.2 246.4 Up 13:14:01 - 13:44:01 -906
Gimple 13:28:56 -18.8 Dark Down 35.2 247.5 Up 13:13:56 - 13:43:56 -941
Reno 13:28:51 -18.0 Dark Down 34.6 248.7 Up 13:13:51 - 13:43:51 -942
Greenville 13:28:57 -18.9 Dark Down 35.2 247.4 Up 13:13:57 - 13:43:57 -944
Portola 13:28:54 -18.5 Dark Down 35.0 248.0 Up 13:13:54 - 13:43:54 -947
Yerington 13:28:48 -17.5 AT Down 34.4 249.6 Up 13:13:48 - 13:43:48 -954
Quincy 13:28:55 -18.9 Dark Down 35.3 247.5 Up 13:13:55 - 13:43:55 -956
Carson City 13:28:50 -18.0 AT Down 34.8 249.0 Up 13:13:50 - 13:43:50 -962
Hawthorne 13:28:45 -17.0 AT Down 34.2 250.3 Up 13:13:45 - 13:43:45 -964
Gardnerville 13:28:49 -17.9 AT Down 34.8 249.1 Up 13:13:49 - 13:43:49 -975
Beatty 13:28:34 -15.4 AT Down 33.3 252.8 Up 13:13:34 - 13:43:34 -1003
Patrick 13:28:23 -12.9 AT Down 31.5 255.7 Up 13:13:23 - 13:43:23 -1004
Lee Vining 13:28:43 -17.3 AT Down 34.7 250.3 Up 13:13:43 - 13:43:43 -1013
Bishop 13:28:39 -16.7 AT Down 34.4 251.2 Up 13:13:39 - 13:43:39 -1027
Laughlin/Bullhead City 13:28:23 -13.4 AT Down 32.1 255.4 Up 13:13:23 - 13:43:23 -1042
George/Scottsdale 13:28:12 -11.0 NT Down 30.3 258.1 Up 13:13:12 - 13:43:12 -1048
Lake Havasu City 13:28:20 -13.1 AT Down 32.1 256.0 Up 13:13:20 - 13:43:20 -1076
Idyllwild 13:28:21 -15.0 AT Down 34.2 254.8 Up 13:13:21 - 13:43:21 -1200
Yuma 13:28:13 -13.1 AT Down 32.8 256.9 Up 13:13:13 - 13:43:13 -1202
Calipatria 13:28:17 -13.9 AT Down 33.4 256.0 Up 13:13:17 - 13:43:17 -1203
Wildwood 13:28:27 -16.5 AT Down 35.6 253.2 Up 13:13:27 - 13:43:27 -1240

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 02CZ248, (2024/02/08 13:30UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 18.10 150
Denebola       11:49:02.9 +14:34:17  2.1 10.06 128
77Sig Leo      11:21:08.1 +06:01:45  4.0  1.58 131
PPM 157766     11:21:02.6 +07:03:51  8.1  0.61 131
PPM 157777     11:21:39.5 +07:13:22  8.6  0.60 131
PPM 157737     11:19:38.1 +07:33:19 10.4  0.00 132
02CZ248        11:19:38.4 +07:33:36 16.8       132
Positions are for J2000

Event circumstances last updated at 2023/11/04 04:09:22 UT

Marc W. Buie, Southwest Research Institute

RECON